:root{color-scheme:light;font-family:var(--font-inter,Inter),ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f6f5ef;color:var(--ink);font-synthesis:none;text-rendering:optimizeLegibility;--ink:#1d252c;--ink-2:#41504c;--ink-muted:#64706d;--ink-3:var(--ink-muted);--muted:var(--ink-muted);--paper:#fffdf8;--paper-strong:#ffffff;--surface:#f0f2f4;--surface-2:#e6eaed;--border:#d9ddd3;--track:#e1e5dd;--blue:#2364aa;--blue-dark:#174d85;--accent:var(--blue);--green:#2d7d46;--green-deep:#1c5b34;--amber:#a86f00;--amber-deep:#7a5b12;--red:#b33a3a;--red-deep:#8e2f2f;--teal:#287c79;--blue-soft:#eef3ff;--green-soft:#eef8f1;--red-soft:#fff0ef;--r-s:8px;--r-m:12px;--r-l:16px;--r-pill:999px;--shadow:0 14px 35px rgba(31,41,55,0.08);--shadow-pop:0 16px 36px rgba(15,23,30,0.16)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#fbfaf5,#f6f5ef 260px),#f6f5ef}button,input,select,textarea{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh}.pepelen-native .topbar{padding-top:env(safe-area-inset-top)}.pepelen-native .app-shell{padding-bottom:env(safe-area-inset-bottom)}.pepelen-native .install-app-card{display:none}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;gap:16px;padding:14px clamp(16px,5vw,48px);border-bottom:1px solid rgba(217,221,211,.85);background:rgba(255,253,248,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand,.topbar{align-items:center}.brand{display:inline-flex;gap:10px;min-height:40px;font-weight:800;color:var(--ink);white-space:nowrap}.brand-logo{width:28px;height:28px;border-radius:var(--r-s);display:block}.topnav{display:flex;flex-wrap:wrap;gap:6px}.nav-sep{width:1px;height:24px;align-self:center;margin:0 6px;background:var(--border)}.topnav-link{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:0 12px;border-radius:var(--r-s);color:var(--ink-2);font-weight:800}.topnav-link svg{width:17px;height:17px}.topnav-link.active,.topnav-link:hover{background:var(--blue-soft)}.topnav-link.active{color:var(--blue)}.nav-toggle{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong);color:var(--ink);cursor:pointer}.nav-toggle svg{width:22px;height:22px}.skip-link{position:fixed;top:8px;left:8px;z-index:50;padding:8px 14px;border-radius:var(--r-s);background:var(--blue);color:#fff;font-weight:700;-webkit-clip-path:inset(50%);clip-path:inset(50%)}.skip-link:focus{-webkit-clip-path:none;clip-path:none}@media (max-width:720px){.topbar{flex-wrap:wrap}.nav-toggle{display:inline-flex}.topbar .topbar-right{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;max-height:calc(100vh - 64px);overflow-y:auto;padding:10px clamp(16px,5vw,48px) 16px;background:rgba(255,253,248,.98);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,221,211,.85);box-shadow:var(--shadow-pop)}.topbar .topbar-right.open{display:flex}.topnav{flex-direction:column;flex-wrap:nowrap;gap:2px}.nav-sep{width:100%;height:1px;margin:6px 0}}.nav-backdrop{display:none}@media (max-width:720px){.nav-backdrop{display:block;position:fixed;inset:0;z-index:4;border:none;padding:0;background:rgba(15,23,30,.32)}}@media (pointer:coarse){.placement-option,.setting-row,.topnav-link,.video-none,.video-pick{min-height:44px}}@media (max-width:520px){.vstats-row{grid-template-columns:minmax(0,1fr) auto}.vstats-bar{display:none}}.button svg{width:17px;height:17px;flex:0 0 auto}.page{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:36px 0 56px}.stack{display:grid;grid-gap:22px;gap:22px}.page-heading{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px}.eyebrow{margin:0 0 6px;color:var(--teal);font-size:.82rem;font-weight:800;text-transform:uppercase}.back-link{display:inline-block;margin-bottom:8px;color:var(--ink-muted);font-size:.9rem;font-weight:600}.back-link:hover{color:var(--blue)}.answer,.ex-option span,.ex-prompt,.ex-token,.example,.placement-option span,.placement-prompt,.question,.word-main h3{unicode-bidi:plaintext}h1,h2,h3,p{overflow-wrap:break-word}.folder-group-header h3,.folder-toggle h2,.word-main .translation,.word-main h3{overflow-wrap:anywhere}.study-card .answer,.study-card .question{overflow-wrap:break-word}h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.05}h1,h2{margin:0}h2{font-size:1.15rem}h3{margin:0;font-size:1.08rem}.action-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.action-row.end{justify-content:flex-end}.add-ways{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px}.add-ways-label{font-weight:800;color:var(--muted)}.add-way{min-height:34px;padding:4px 14px;border:1px solid var(--border);border-radius:999px;background:var(--paper-strong);color:var(--accent);font-weight:700;cursor:pointer}.add-way:hover{border-color:var(--accent);background:var(--surface)}.import-formats-hint{margin-top:2px;font-size:.9em}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 15px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong);color:var(--ink);cursor:pointer;font-weight:800;box-shadow:0 2px 8px rgba(31,41,55,.04)}.button:hover{border-color:#bcc6bd}.button:disabled{cursor:not-allowed;opacity:.58}.button.primary{border-color:var(--blue);background:var(--blue);color:white}.button.primary:hover{background:var(--blue-dark)}.button.wide{width:100%}.file-button{position:relative;overflow:hidden}.file-button input{position:absolute;inset:0;opacity:0;cursor:pointer}.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:12px;gap:12px}.editor-panel,.filters-panel,.manual-card-panel,.prompt-panel,.stat-tile,.study-card{border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow)}.stat-tile{display:grid;grid-gap:10px;gap:10px;min-height:118px;padding:18px;border-top:4px solid #87928c}.stat-tile[data-level=unknown]{border-top-color:var(--red)}.stat-tile[data-level=weak]{border-top-color:var(--amber)}.stat-tile[data-level=medium]{border-top-color:var(--blue)}.stat-tile[data-level=strong]{border-top-color:var(--green)}.stat-tile span{color:var(--ink-muted);font-size:.93rem;font-weight:700}.stat-tile strong{align-self:end;font-size:2rem}.prompt-panel{overflow:hidden}.prompt-panel>summary{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 16px;cursor:pointer;color:var(--ink);font-weight:800}.prompt-panel>summary:after{content:"+";color:var(--blue);font-size:1.25rem;font-weight:800}.prompt-panel[open]>summary{border-bottom:1px solid var(--border)}.prompt-panel[open]>summary:after{content:"-"}.prompt-content{display:grid;grid-gap:12px;gap:12px;padding:14px}.prompt-content .button{justify-self:start}.prompt-content pre{max-height:420px;margin:0;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--border);border-radius:var(--r-s);padding:14px;background:var(--ink);color:#f9fbf7;font-size:.9rem;line-height:1.45}.editor-panel{display:grid;grid-gap:14px;gap:14px;padding:16px}.setting-row{display:flex;align-items:flex-start;gap:12px;cursor:pointer}.setting-block{display:flex;flex-direction:column;gap:10px}.ext-fresh-token{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.ext-fresh-token code{flex:1 1 12rem;min-width:0;overflow-wrap:anywhere;padding:6px 8px;border-radius:6px;background:rgb(0 0 0/6%);font-size:.82rem}.ext-token-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.ext-token-list li{display:flex;align-items:center;justify-content:space-between;gap:12px}.ext-token-list .muted{display:block;font-size:.8rem}.setting-row input[type=checkbox]{margin-top:3px;width:18px;height:18px;flex-shrink:0}.setting-row>span{display:grid;grid-gap:2px;gap:2px}.manual-card-panel{padding:14px}.manual-card-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr)) auto;grid-gap:10px;gap:10px;align-items:center}.manual-card-form .folder-col{grid-column:1/-2}.folder-input{display:flex;align-items:center;gap:8px;min-height:42px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:#ffffff}.folder-input svg{width:18px;height:18px;color:var(--ink-muted);flex:0 0 auto}.folder-input input{flex:1 1;min-height:38px;border:0;outline:0;background:transparent;color:var(--ink)}.folder-list{display:grid;grid-gap:18px;gap:18px}.folder-group{display:grid;grid-gap:10px;gap:10px;padding:14px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow)}.folder-list>.folder-group{min-width:0}.folder-group-header{display:flex;align-items:center;gap:8px;padding-bottom:8px;border-bottom:1px solid var(--border)}.folder-group-header svg{width:18px;height:18px;color:var(--teal);flex:0 0 auto}.folder-group-header h3{margin:0;flex:1 1;min-width:0}.folder-count{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:24px;padding:0 8px;border-radius:var(--r-pill);background:var(--blue-soft);color:var(--blue);font-size:.82rem;font-weight:800}.manual-card-form input{width:100%;min-height:42px;border:1px solid var(--border);border-radius:var(--r-s);padding:0 12px;background:#ffffff;color:var(--ink)}.manual-card-form .button{min-width:132px}textarea{width:100%;min-height:340px;resize:vertical;border:1px solid var(--border);border-radius:var(--r-s);padding:16px;background:#fffffc;color:var(--ink);line-height:1.45}a:focus-visible,button:focus-visible,input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:2px}.notice{display:block;margin:0;padding:12px 14px;border-radius:var(--r-s);font-weight:700}.notice.error{border:1px solid #e6b6b6;background:var(--red-soft);color:var(--red-deep)}.notice.success{border:1px solid #b6d8c1;background:var(--green-soft);color:var(--green-deep)}.notice.warning{border:1px solid #e6d2a0;background:#fdf6e3;color:var(--amber-deep)}.notice.info{border:1px solid #c9d6f2;background:var(--blue-soft);color:#1b2c50;font-weight:600}.notice.article-hint{margin-top:8px;border:1px solid #d7cbe8;background:#f6f1fc;color:#4a3868;font-weight:600}.notice.auth-notice{border:1px solid #c9d6f2;background:var(--blue-soft);color:#1b2c50;display:grid;grid-gap:12px;gap:12px;justify-items:start}.auth-notice-actions{display:flex;flex-wrap:wrap;gap:10px}.list-section{display:grid;grid-gap:12px;gap:12px}.section-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-list{display:grid;grid-gap:10px;gap:10px}.word-card{display:grid;grid-gap:12px;gap:12px;padding:16px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong)}.library-card{position:relative;grid-template-columns:minmax(0,1fr);align-items:start;padding:18px 76px 18px 20px}.word-main{display:grid;grid-gap:6px;gap:6px;min-width:0}.icon-button{display:inline-flex;align-items:center;justify-content:center;position:absolute;top:16px;right:16px;width:40px;height:40px;border:1px solid var(--border);border-radius:var(--r-s);background:#ffffff;color:var(--ink-2);cursor:pointer}.icon-button:hover{border-color:#c3cbbf;background:#fbfaf5}.icon-button svg{width:18px;height:18px}.icon-button.danger{color:var(--red)}.icon-button.danger:hover{border-color:#e6b6b6;background:var(--red-soft)}.translation{margin:6px 0 0;color:var(--ink-2);font-size:1rem}.example{margin:10px 0 0;color:var(--ink-muted);line-height:1.45}.tag-row{display:flex;flex-wrap:wrap;gap:6px}.tag-row span{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;border-radius:var(--r-pill);background:#e9f3f2;color:var(--green-deep);font-size:.82rem;font-weight:800}.error-list{display:grid;grid-gap:8px;gap:8px}.empty-line,.error-list p{margin:0;padding:12px 14px;border:1px solid #e6b6b6;border-radius:var(--r-s);background:#fff7f6;color:var(--red-deep)}.learn-layout{width:min(780px,100%);margin:0 auto}.learn-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px}.learn-source{max-width:240px}.segmented{display:inline-grid;grid-template-columns:repeat(3,minmax(86px,1fr));gap:4px;padding:4px;border:1px solid var(--border);border-radius:var(--r-s);background:#efede4}.segmented button{min-height:36px;border:0;border-radius:6px;background:transparent;cursor:pointer;color:var(--ink-2);font-weight:800}.segmented button.active{background:#ffffff;color:var(--ink);box-shadow:0 2px 8px rgba(31,41,55,.08)}.session-bar{display:grid;grid-gap:8px;gap:8px;color:var(--ink-muted);font-weight:800}.session-bar>div{height:8px;overflow:hidden;border-radius:var(--r-pill);background:var(--track)}.session-bar>div>span{display:block;height:100%;border-radius:inherit;background:var(--green);transition:width .16s ease}.continue-section{gap:10px}.continue-list{display:grid;grid-gap:10px;gap:10px}.continue-card{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong)}.continue-main{flex:1 1 auto;display:grid;grid-gap:6px;gap:6px;min-width:0}.continue-main h3{margin:0;overflow-wrap:anywhere}.continue-badges{display:flex;flex-wrap:wrap;gap:6px}.continue-badge{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:var(--r-pill);background:var(--paper);border:1px solid var(--border);color:var(--ink-muted)}.continue-progress-label{margin:0;font-size:.8rem;font-weight:700;color:var(--ink-muted)}.continue-bar{height:8px;overflow:hidden;border-radius:var(--r-pill);background:var(--track)}.continue-bar>span{display:block;height:100%;border-radius:inherit;background:var(--green);transition:width .16s ease}.continue-resume{flex:none}@media (max-width:520px){.continue-card{flex-direction:column;align-items:stretch}}.study-card{display:grid;grid-gap:20px;gap:20px;padding:clamp(20px,5vw,34px)}.voice-drill{text-align:center;justify-items:center}.voice-intro{gap:14px}.voice-commands-hint{font-size:.9em}.voice-lang-pick{display:flex;gap:8px;align-items:center;font-size:.95em}.voice-smart-toggle{display:flex;gap:8px;align-items:flex-start;text-align:left;max-width:34rem;font-size:.95em}.voice-smart-toggle input{margin-top:3px}.voice-live{gap:14px;min-height:320px;align-content:center}.voice-status{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:#6b7280}.voice-status.listening{color:var(--blue)}.voice-status.correct{color:var(--green)}.voice-status.wrong{color:var(--red)}.voice-word{font-size:clamp(1.8rem,7vw,3rem);font-weight:700;margin:8px 0;overflow-wrap:anywhere}.voice-answer,.voice-controls{justify-self:center;justify-content:center}.voice-heard,.voice-progress{font-size:.88em}.voice-card-arm .voice-word{font-size:clamp(1.5rem,6vw,2.4rem)}.voice-type-instead{font-size:.92em}.direction-pill{justify-self:start;padding:6px 10px;border-radius:var(--r-pill);background:var(--blue-soft);color:var(--blue);font-size:.82rem;font-weight:800}.question{min-height:96px;margin:0;display:flex;align-items:center;color:var(--ink);font-size:clamp(2rem,7vw,4rem);line-height:1.08;font-weight:800}.answer-block{display:grid;grid-gap:16px;gap:16px}.swipe-card{position:relative;overflow:hidden;touch-action:pan-y;cursor:-webkit-grab;cursor:grab;will-change:transform}.swipe-card:not(.dragging){transition:transform .25s cubic-bezier(.2,.7,.3,1)}.swipe-card.dragging{cursor:-webkit-grabbing;cursor:grabbing}.swipe-overlay{position:absolute;inset:0;z-index:2;display:flex;align-items:center;padding:0 26px;border-radius:var(--r-s);pointer-events:none;color:#fff;font-weight:800;font-size:clamp(1.5rem,7vw,2.3rem);text-transform:uppercase;letter-spacing:.02em}.swipe-overlay.easy{justify-content:flex-end;background:linear-gradient(to left,color-mix(in srgb,var(--green) 92%,transparent),transparent)}.swipe-overlay.hard{justify-content:flex-start;background:linear-gradient(to right,color-mix(in srgb,var(--red) 92%,transparent),transparent)}.reveal-block{display:grid;grid-gap:12px;gap:12px}.swipe-hint{margin:0;text-align:center;font-size:.85rem}.answer{margin:0;padding:18px;border-radius:var(--r-s);background:#f2f7f1;color:var(--green-deep);font-size:clamp(1.5rem,5vw,2.5rem);line-height:1.15;font-weight:800}.rating-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:8px;gap:8px}.rating-grid button{min-height:46px;border:1px solid var(--border);border-radius:var(--r-s);background:#ffffff;cursor:pointer;color:var(--ink);font-weight:800}.rating-grid button:first-child{border-color:#e5b2b2;background:#fff3f2}.rating-grid button:nth-child(2){border-color:#e3ca92;background:#fff9eb}.rating-grid button:nth-child(3){border-color:#aad5b8;background:var(--green-soft)}.empty-state h2,.result-card h2{font-size:clamp(1.6rem,5vw,2.4rem)}.result-card-celebrate{border-color:#aad5b8;background:linear-gradient(160deg,var(--green-soft),var(--paper) 60%)}.summary-grid{margin:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:10px;gap:10px}.summary-grid div{display:grid;grid-gap:5px;gap:5px;padding:12px;border:1px solid var(--border);border-radius:var(--r-s);background:#ffffff}dt{color:var(--ink-muted);font-size:.78rem}dd,dt{font-weight:800}dd{margin:0;color:var(--ink)}.filters-panel{display:grid;grid-template-columns:minmax(220px,1fr) 160px 160px 180px;grid-gap:10px;gap:10px;padding:12px}.search-box{display:flex;align-items:center;gap:8px;min-height:42px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:#ffffff}.search-box svg{width:18px;height:18px;color:var(--ink-muted)}.search-box input,select{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:auto;max-width:100%;min-height:42px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364706d' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;background-size:16px;color:var(--ink);font-weight:600;cursor:pointer;box-shadow:0 2px 8px rgba(31,41,55,.04)}select:hover{border-color:#bcc6bd}.search-box input{min-height:38px;border:0;outline:0}select{padding:0 38px 0 14px}.muted{color:var(--ink-muted)}@media (max-width:860px){.page-heading{align-items:stretch;flex-direction:column}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filters-panel,.manual-card-form{grid-template-columns:1fr}.rating-grid,.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:520px){.page{width:min(100% - 24px,1120px);padding-top:24px}.brand span{white-space:normal}.rating-grid,.segmented,.stats-grid,.summary-grid{grid-template-columns:1fr}.question{min-height:72px}}.ex-grid{display:grid;grid-gap:16px;gap:16px}.ex-runner{border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow);padding:18px;display:grid;grid-gap:12px;gap:12px}.ex-runner-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.ex-runner-head h3{margin:0}.ex-instructions{margin:0;color:var(--ink-muted)}.ex-prompt{margin:0;font-size:1.2rem;font-weight:700}.ex-options{display:grid;grid-gap:8px;gap:8px}.ex-option{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff;cursor:pointer}.ex-option.correct{border-color:#aad5b8;background:var(--green-soft)}.ex-option.wrong{border-color:#e5b2b2;background:#fff3f2}.ex-blanks{display:flex;flex-wrap:wrap;gap:8px}.ex-blanks input,.ex-translation input{min-height:42px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff}.ex-clock{display:grid;grid-gap:12px;gap:12px;justify-items:start}.ex-clock-tasks{display:flex;flex-wrap:wrap;gap:16px;width:100%}.ex-clock-task{display:grid;grid-gap:8px;gap:8px;justify-items:center}.ex-clock-task input{width:200px;max-width:100%;min-height:42px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong)}.ex-clock-face{width:116px;height:116px}.ex-clock-dial{fill:var(--paper-strong);stroke:var(--ink-2);stroke-width:3}.ex-clock-tick{stroke:var(--ink-muted);stroke-width:2;stroke-linecap:round}.ex-clock-tick.major{stroke:var(--ink);stroke-width:3}.ex-clock-hand{stroke:var(--ink);stroke-linecap:round}.ex-clock-hand.hour{stroke-width:5.5}.ex-clock-hand.minute{stroke-width:3.5;stroke:var(--blue)}.ex-clock-pin{fill:var(--ink)}.ex-speak{display:grid;grid-gap:12px;gap:12px}.ex-speak-prompt{margin:0;font-size:.95rem}.ex-speak-phrase{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--surface)}.ex-speak-target{font-size:1.25rem;font-weight:600}.ex-speak-listen{flex:none}.ex-speak-hint{margin:0;font-size:.85rem}.ex-speak-record,.ex-speak-stop{justify-self:start}.ex-speak-live{margin:0;font-weight:600;color:var(--blue)}.ex-speak-transcript{margin:0;padding:8px 12px;border-radius:var(--r-s);background:var(--surface)}.ex-dialog{display:grid;grid-gap:10px;gap:10px}.ex-dialog-goal,.ex-dialog-topic{margin:0}.ex-dialog-goal{font-size:.9rem}.ex-dialog-log{display:grid;grid-gap:8px;gap:8px;max-height:320px;overflow-y:auto;padding:4px}.ex-bubble{display:flex;align-items:baseline;gap:8px;padding:8px 12px;border-radius:var(--r-m);max-width:85%}.ex-bubble.partner{background:var(--surface);justify-self:start}.ex-bubble.user{background:var(--blue);color:#fff;justify-self:end}.ex-bubble-who{flex:none;font-size:.7rem;font-weight:700;text-transform:uppercase;opacity:.7}.ex-bubble-text{flex:1 1}.ex-bubble-listen{flex:none;padding:2px 6px;font-size:.85rem}.ex-dialog-progress,.ex-dialog-thinking{margin:0;font-size:.85rem}.ex-dialog-controls{display:flex;gap:8px;flex-wrap:wrap}.ex-roleplay{display:grid;grid-gap:12px;gap:12px}.ex-roleplay-progress{display:grid;grid-gap:4px;gap:4px}.ex-roleplay-progress>span{display:flex;justify-content:space-between;gap:8px;font-size:.85rem}.ex-roleplay-mastery{font-weight:700;color:var(--blue)}.ex-roleplay-brief{padding:12px 14px;border:1px solid var(--border);border-left:3px solid var(--blue);border-radius:var(--r-s);background:var(--surface);line-height:1.5}.ex-roleplay-brief>p{margin:0 0 6px}.ex-roleplay-objective{display:inline-flex;align-items:center;gap:6px;margin:6px 0 0!important;font-weight:600}.ex-roleplay-input{display:grid;grid-gap:8px;gap:8px}.ex-roleplay-quit{justify-self:start;font-size:.85rem;opacity:.75}.ex-roleplay-tip{display:block;color:var(--blue)}.ex-roleplay-nextfocus{margin:0;padding:8px 12px;border-radius:var(--r-s);background:var(--surface);line-height:1.5}.ex-roleplay-verdict{font-size:.85rem;padding:2px 10px!important;font-weight:700}.ex-roleplay-mastered{width:100%}.ex-fitb,.ex-match,.ex-mc,.ex-translation,.ex-wordorder,.ex-writing{display:grid;grid-gap:12px;gap:12px;justify-items:start}.ex-pairs{display:grid;grid-gap:8px;gap:8px;width:100%}.ex-pair-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;align-items:center}.ex-bank,.ex-sentence{display:flex;flex-wrap:wrap;gap:8px;min-height:44px;width:100%}.ex-sentence{padding:8px;border:1px dashed var(--border);border-radius:var(--r-s)}.ex-empty{color:var(--ink-muted)}.ex-token{min-height:38px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff;cursor:pointer;font-weight:700}.ex-token.chosen{background:var(--blue-soft);border-color:#adc9eb}.ex-speak-word{min-height:38px;padding:0 10px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff;cursor:pointer}.ex-theory-body{white-space:pre-wrap;line-height:1.55}.ex-writing,.ex-writing-checklist,.ex-writing-rubric,.ex-writing-sample,.ex-writing-source{width:100%}.ex-writing-source{max-height:340px;overflow:auto;white-space:pre-wrap;line-height:1.55}.ex-writing textarea,.ex-writing-source{padding:12px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff}.ex-writing textarea{width:100%;min-height:260px;font:inherit;line-height:1.5;resize:vertical}.ex-writing-meter{margin:0;font-weight:700}.ex-writing-meter.ok{color:var(--green)}.ex-writing-meter.warn{color:var(--amber-deep)}.ex-writing-checklist,.ex-writing-rubric{display:grid;grid-gap:8px;gap:8px}.ex-writing-check{display:flex;gap:8px;align-items:flex-start}.ex-writing-rubric-item{display:grid;grid-gap:3px;gap:3px;padding:10px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff}.ex-writing-rubric-item small,.ex-writing-sample div{color:var(--ink-muted);line-height:1.5}.ex-writing-sample summary{cursor:pointer;font-weight:700}.ex-writing-sample div{margin-top:8px;white-space:pre-wrap}.ex-answer-reveal{margin-top:12px;display:grid;grid-gap:8px;gap:8px}.ex-answer-correct{margin:0;line-height:1.5}.ex-answer-correct strong{color:var(--green)}.ex-answer-yours{margin:0;font-size:.92rem}.ex-explain-btn{justify-self:start;display:inline-flex;align-items:center;gap:6px}.ex-explanation{margin-top:4px;display:grid;grid-gap:8px;gap:8px;padding:14px;border:1px solid var(--border);border-radius:var(--r-m);background:var(--paper)}.ex-explanation-title{display:inline-flex;align-items:center;gap:6px;margin:0;font-weight:700;color:var(--blue)}.ex-explanation p{margin:0;line-height:1.55}.ex-explanation ul{margin:0;padding-left:20px;display:grid;grid-gap:5px;gap:5px;line-height:1.5}.ex-writing-feedback{margin-top:12px;display:grid;grid-gap:14px;gap:14px;padding:16px;border:1px solid var(--border);border-radius:var(--r-m);background:var(--paper)}.ex-writing-feedback-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.ex-writing-feedback-title{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--blue)}.ex-writing-level{font-size:.9rem;padding:2px 10px;border:1px solid var(--border);border-radius:var(--r-pill);background:#fff}.ex-writing-summary{margin:0;line-height:1.55}.ex-writing-criteria{display:grid;grid-gap:10px;gap:10px}.ex-writing-criterion{display:grid;grid-gap:4px;gap:4px}.ex-writing-criterion-head{display:flex;justify-content:space-between;gap:8px;font-weight:600}.ex-writing-criterion-score{color:var(--ink-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ex-writing-bar{height:8px;border-radius:var(--r-pill);background:var(--track);overflow:hidden}.ex-writing-bar>span{display:block;height:100%;border-radius:var(--r-pill);background:var(--green)}.ex-writing-criterion small,.ex-writing-points small{color:var(--ink-muted);line-height:1.45}.ex-writing-points{display:grid;grid-gap:6px;gap:6px}.ex-writing-points>strong{display:inline-flex;align-items:center;gap:6px}.ex-writing-points ul{margin:0;padding-left:20px;display:grid;grid-gap:5px;gap:5px;line-height:1.5}.ex-writing-corrections{list-style:none;padding-left:0}.ex-writing-corrections>li{display:grid;grid-gap:2px;gap:2px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff}.corr-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}.corr-original{text-decoration:line-through;color:var(--red-deep)}.corr-arrow{color:var(--ink-muted)}.corr-suggestion{color:var(--green);font-weight:600}.ex-image{display:grid;grid-gap:12px;gap:12px}.ex-image-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px;gap:14px}.ex-image-figure{margin:0;display:grid;grid-gap:6px;gap:6px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);padding:10px}.ex-image-img{display:block;width:100%;height:auto;border-radius:var(--r-s);object-fit:contain;background:#f3f1ea}.ex-image-fallback{display:flex;align-items:center;justify-content:center;min-height:120px;padding:12px;border:1px dashed var(--border);border-radius:var(--r-s);color:var(--blue);text-align:center}.ex-image-caption{font-size:.92rem;line-height:1.45}.ex-image-credit{font-size:.78rem;opacity:.7}.ex-feedback{margin-top:6px;font-weight:600}.tutor{margin-top:4px;border-top:1px dashed var(--border);padding-top:12px}.tutor-open{display:inline-flex;align-items:center;gap:6px;color:var(--blue)}.tutor-panel{display:grid;grid-gap:10px;gap:10px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);padding:14px}.tutor-title{display:flex;align-items:center;gap:6px;margin:0;font-weight:700;color:var(--blue)}.tutor-chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:6px 12px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--paper);font:inherit;cursor:pointer}.chip:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}.chip:disabled{opacity:.6;cursor:default}.native-filter{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px}.native-filter-label{color:var(--ink-muted);font-weight:700;font-size:.9rem}.native-filter select{background:var(--paper-strong);padding:6px 10px;font-weight:600;cursor:pointer}.native-filter select,.tutor-input{border:1px solid var(--border);border-radius:var(--r-s)}.tutor-input{width:100%;padding:10px 12px;font:inherit;resize:vertical}.tutor-answer{white-space:pre-wrap;line-height:1.5;background:#f4f8ff;border:1px solid #d6e4ff;border-left:3px solid var(--blue);border-radius:var(--r-s);padding:12px 14px}.tutor-thread{display:grid;grid-gap:14px;gap:14px}.tutor-turn{display:grid;grid-gap:6px;gap:6px}.tutor-q{margin:0;justify-self:end;max-width:85%;padding:8px 12px;border-radius:var(--r-s);background:var(--blue);color:#fff;font-weight:600;white-space:pre-wrap}.ai-cards-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.ai-cards-controls .topic-input{flex:1 1 240px;min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s)}.ai-cards-preview{display:grid;grid-gap:12px;gap:12px}.ai-card-list{display:grid;grid-gap:6px;gap:6px;max-height:320px;overflow-y:auto}.ai-card-row{display:flex;align-items:flex-start;gap:10px;padding:7px 10px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff;cursor:pointer}.ai-card-row input[type=checkbox]{margin-top:4px;flex-shrink:0}.ai-chat{display:grid;grid-gap:8px;gap:8px;margin:10px 0;max-height:320px;overflow-y:auto}.ai-chat-msg{margin:0;padding:9px 12px;border-radius:var(--r-s);max-width:92%;white-space:pre-wrap}.ai-chat-msg.user{justify-self:end;background:var(--blue-soft);border:1px solid #d6def9}.ai-chat-msg.assistant{justify-self:start;background:var(--surface);border:1px solid var(--border)}.ai-chat-reply{margin-top:10px}.ai-split-row{cursor:pointer}.ai-split-row,.ai-thinking{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--ink-muted)}.ai-thinking{flex-wrap:wrap;margin:8px 0 0}.ai-thinking-spin{flex:none;animation:ai-spin .9s linear infinite}.ai-thinking-elapsed{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;opacity:.8}.ai-thinking-hint{flex-basis:100%;font-size:.85rem}@keyframes ai-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.ai-thinking-spin{animation-duration:2.4s}}.ai-doc-input,.ai-photo-input{display:grid;grid-gap:10px;gap:10px}.ai-photo-input{justify-items:start}.ai-photo-input .button.disabled{opacity:.6;pointer-events:none}.ai-photo-thumbs{display:flex;flex-wrap:wrap;gap:8px}.ai-photo-thumb{position:relative;width:84px;height:84px;border-radius:var(--r-s);overflow:hidden;border:1px solid var(--border);background:var(--surface)}.ai-photo-thumb img{width:100%;height:100%;object-fit:cover;display:block}.ai-photo-remove{position:absolute;top:2px;right:2px;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border:none;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;cursor:pointer}.ai-photo-remove:disabled{opacity:.5;cursor:default}.ai-photo-hint{font-size:.85em}.ai-doc-textarea{width:100%;min-height:150px;resize:vertical;padding:10px 12px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--surface);font:inherit;line-height:1.45}.ai-doc-org{display:grid;grid-gap:6px;gap:6px}.ai-doc-org-label{font-weight:600;font-size:.9rem}.ai-doc-org-hint{margin:0;font-size:.85rem}.ai-doc-org-presets{display:flex;flex-wrap:wrap;gap:6px}.ai-doc-org-presets .chip{font-size:.85rem}.ai-doc-org-text{width:100%;resize:vertical;padding:8px 10px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--surface);font:inherit;line-height:1.4}.ai-doc-preview{display:grid;grid-gap:12px;gap:12px}.ai-doc-folder{border:1px solid var(--border);border-radius:var(--r-s);padding:10px 12px;background:var(--surface)}.ai-doc-folder.excluded{opacity:.5}.ai-doc-folder-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.ai-doc-folder-name{flex:1 1;min-width:0;padding:6px 10px;border:1px solid var(--border);border-radius:var(--r-s);font:inherit;font-weight:600}.ai-doc-folder-count{flex:none;font-size:.85rem}.ai-exercises{margin-top:8px}.ai-plan{display:grid;grid-gap:10px;gap:10px;margin:10px 0;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--surface)}.ai-plan-message{margin:0;white-space:pre-wrap}.ai-plan-lessons ul{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.ai-plan-lessons .button svg{margin-right:4px;vertical-align:-2px}.text-button{background:none;border:none;padding:0;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit}.text-button:disabled{opacity:.6;cursor:default}.ai-exercise-list{margin-top:12px}.ai-exercise-list ul{list-style:none;margin:6px 0 0;padding:0;display:grid;grid-gap:6px;gap:6px}.ai-exercise-list li{padding:7px 10px;border:1px solid var(--border);border-radius:var(--r-s);background:#fff}.ai-admin-exercises{margin:8px 0 0;padding-left:20px;display:grid;grid-gap:10px;gap:10px}.ai-admin-exercises pre{margin:6px 0 0;padding:8px 10px;max-height:240px;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-s);font-size:12px;white-space:pre-wrap;word-break:break-word}.course-folders{display:grid;grid-gap:14px;gap:14px}.folder-toggle{display:flex;align-items:center;gap:10px;width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow);cursor:pointer;font:inherit;color:inherit;text-align:left}.folder-toggle:hover{border-color:var(--blue)}.folder-toggle h2{margin:0;font-size:1.1rem;flex:1 1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.folder-toggle .folder-count{margin-left:auto;background:var(--surface);border-radius:var(--r-pill);padding:1px 10px;font-size:.85rem;color:var(--ink-muted)}.folder-toggle .folder-date{margin-left:auto;font-size:.76rem;font-weight:500;color:var(--ink-3);white-space:nowrap}.folder-toggle .folder-date+.folder-count{margin-left:0}@media (max-width:520px){.folder-toggle .folder-date{display:none}}.folder-head{display:flex;align-items:stretch;gap:8px;min-width:0}.folder-head .folder-toggle{width:auto;flex:1 1;min-width:0}.folder-check{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow);color:var(--green);cursor:pointer}.folder-check:hover{border-color:var(--green)}.folder-check svg{width:22px;height:22px}.folder-done-prompt{display:grid;grid-gap:10px;gap:10px}.folder-done-prompt p{margin:0}.panel-summary-label{display:inline-flex;align-items:center;gap:8px}.import-panel textarea{min-height:220px}.folder-group>.card-list{margin-top:10px;padding-left:8px}.ex-video{display:grid;grid-gap:14px;gap:14px}.video-banner{border:1px solid var(--blue);background:color-mix(in srgb,var(--blue) 8%,var(--paper));border-radius:var(--r-s);padding:12px 14px;font-size:.95rem;line-height:1.45}.video-list{display:grid;grid-gap:18px;gap:18px}.video-item{border:1px solid var(--border);border-radius:var(--r-m);padding:12px;background:var(--paper)}.video-item.chosen{border-color:var(--blue);box-shadow:0 0 0 2px color-mix(in srgb,var(--blue) 30%,transparent)}.video-embed-wrap{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r-s);overflow:hidden;background:#000}.video-embed{position:absolute;inset:0;width:100%;height:100%;border:0}.video-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;margin-top:10px}.video-title{font-weight:600}.video-source{font-size:.85rem;color:var(--ink-muted)}.video-pick{display:inline-flex;margin-top:8px}.video-none,.video-pick{align-items:center;gap:8px;cursor:pointer}.video-none{display:flex;border:1px dashed var(--border);border-radius:var(--r-s);padding:10px 12px}.video-none.chosen{border-color:var(--amber);background:color-mix(in srgb,var(--amber) 8%,var(--paper))}.vstats-list{display:grid;grid-gap:16px;gap:16px}.stats-tabs{display:flex;gap:6px;flex-wrap:wrap}.evt-table-wrap{overflow-x:auto}.evt-table{width:100%;border-collapse:collapse;font-size:.9rem}.evt-table td,.evt-table th{text-align:left;padding:7px 10px;border-bottom:1px solid var(--border);vertical-align:top}.evt-table th{color:var(--ink-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.02em}.evt-table code{font-size:.85rem}.evt-props{color:var(--ink-muted);font-size:.82rem}.evt-path,.evt-user{color:var(--ink-muted);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-body{margin-top:10px;padding-left:8px;display:grid;grid-gap:12px;gap:12px}.placement-cta{display:inline-flex;align-items:center;gap:8px;justify-self:start}.placement-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.placement-level{font-weight:700;color:var(--green)}.course-part.recommended{border-color:var(--green);box-shadow:0 0 0 2px color-mix(in srgb,var(--green) 28%,transparent)}.recommended-badge{align-self:center;margin-left:auto;white-space:nowrap;border-radius:var(--r-pill);padding:2px 10px;font-size:.78rem;font-weight:700;color:var(--green);background:color-mix(in srgb,var(--green) 12%,var(--paper))}.placement{display:grid;grid-gap:18px;gap:18px}.placement-questions{display:grid;grid-gap:16px;gap:16px;margin:0;padding:0;list-style:none;counter-reset:none}.placement-q{border:1px solid var(--border);border-radius:var(--r-m);padding:14px 16px;background:var(--paper)}.placement-prompt{margin:0 0 10px;font-weight:500}.placement-num{color:var(--ink-muted);margin-right:4px}.placement-options{display:grid;grid-gap:6px;gap:6px}.placement-option{display:flex;align-items:baseline;gap:8px;cursor:pointer}.placement-actions{position:-webkit-sticky;position:sticky;bottom:0;background:color-mix(in srgb,var(--paper) 92%,transparent);padding:12px 0}.placement-actions,.placement-pager{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.placement-result{display:grid;grid-gap:12px;gap:12px}.placement-option.is-locked{cursor:default}.placement-option.is-correct>span{color:var(--green-deep);font-weight:700}.placement-option.is-wrong>span{color:var(--red-deep);text-decoration:line-through}.placement-feedback{margin-top:10px;display:grid;grid-gap:8px;gap:8px}.placement-verdict{margin:0;font-weight:700}.placement-verdict.ok{color:var(--green-deep)}.placement-verdict.bad{color:var(--red-deep)}.placement-check-failed{margin:8px 0 0;font-size:.9rem}.placement-topic{display:grid;grid-gap:6px;gap:6px}.placement-topic-note{margin:0;color:var(--ink-muted);font-size:.9rem}.placement-topic-link{display:flex;align-items:center;gap:8px;flex-wrap:wrap;border:1px solid var(--border);border-radius:var(--r-s);padding:8px 10px;background:var(--paper);text-decoration:none;color:inherit}.placement-topic-link:hover{border-color:var(--blue)}.placement-topic-link .level-badge{position:static}.placement-topic-lesson{font-weight:600}.placement-topic-course{color:var(--ink-muted);font-size:.9rem}.placement-review{display:grid;grid-gap:10px;gap:10px}.placement-review-list{display:grid;grid-gap:12px;gap:12px;margin:0;padding:0;list-style:none}.placement-review-item{border-top:1px solid var(--border);padding-top:10px;display:grid;grid-gap:6px;gap:6px}.placement-review-answers{margin:0;display:flex;gap:14px;flex-wrap:wrap}.placement-review-wrong{color:var(--red-deep);text-decoration:line-through}.placement-review-right{color:var(--green-deep);font-weight:700}.vstats-card{border:1px solid var(--border);border-radius:var(--r-m);padding:14px 16px;background:var(--paper);box-shadow:var(--shadow)}.vstats-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.vstats-head h3{margin:0;font-size:1.05rem}.vstats-meta{display:inline-flex;align-items:center;gap:8px}.vstats-flag{margin:8px 0 0}.vstats-rows{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-gap:8px;gap:8px}.vstats-row{display:grid;grid-template-columns:minmax(0,1fr) 120px 48px;align-items:center;grid-gap:10px;gap:10px}.vstats-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.vstats-row.leader .vstats-title{font-weight:600}.vstats-row.none .vstats-title{color:var(--ink-muted)}.vstats-bar{height:8px;border-radius:var(--r-pill);background:var(--track);overflow:hidden}.vstats-bar>span{display:block;height:100%;background:var(--blue)}.vstats-row.none .vstats-bar>span{background:var(--amber)}.vstats-count{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--ink-muted)}.vstats-row.leader .vstats-count{color:var(--blue);font-weight:600}.lesson-nav{display:flex;justify-content:space-between;align-items:center;gap:12px}.course-part{position:relative}.level-badge{position:absolute;top:10px;right:10px;background:var(--blue);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.02em;padding:2px 8px;border-radius:var(--r-pill)}.lesson-card{display:block;cursor:pointer;position:relative}.lesson-card:hover{border-color:#bcc6bd}.lesson-card.done{border-color:#b6d8c1;padding-right:76px}.lesson-done{position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;gap:4px;color:var(--green-deep);font-weight:700;font-size:.8rem}.lesson-done.mastered{color:var(--amber-deep)}.course-progress{display:grid;grid-gap:6px;gap:6px;margin-top:8px}.course-progress-level{font-weight:800;font-size:.85rem;color:var(--ink)}.course-progress-bar{height:8px;overflow:hidden;border-radius:var(--r-pill);background:var(--track)}.course-progress-bar>span{display:block;height:100%;border-radius:inherit;background:var(--green);transition:width .16s ease}.course-progress-text{font-size:.8rem;color:var(--ink-muted)}.session-bar .mastered-line{font-weight:600;color:var(--ink-muted)}.topbar-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.account{display:inline-flex;align-items:center;gap:8px}.account-name{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-muted);font-weight:800;font-size:.9rem}.auth-layout{width:min(440px,100%);margin:0 auto}.auth-card{display:grid;grid-gap:12px;gap:12px;padding:20px;background:var(--paper);box-shadow:var(--shadow)}.auth-card,.auth-card input{border:1px solid var(--border);border-radius:var(--r-s)}.auth-card input{min-height:44px;padding:0 12px;background:#fff;color:var(--ink)}.nav-cta{min-height:38px;padding:0 14px}.auth-switch{display:grid;grid-gap:10px;gap:10px;margin-top:4px;padding-top:16px;border-top:1px solid var(--border);text-align:center}.auth-switch .muted{font-size:.92rem}.auth-alt{margin:0;text-align:center;font-size:.9rem}.app-footer{max-width:960px;margin:48px auto 24px;padding:20px 24px 0;border-top:1px solid var(--border);align-items:center;justify-content:space-between;gap:12px}.app-footer,.footer-links{display:flex;flex-wrap:wrap}.footer-links{gap:16px}.footer-links a{color:var(--ink-muted)}.footer-links a:hover{color:var(--blue);text-decoration:underline}.consent-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:30;max-width:720px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;background:var(--paper-strong);border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--shadow)}.consent-banner-text{margin:0;flex:1 1 280px;font-size:.9rem;color:var(--ink-muted)}.consent-banner-text a{color:var(--blue);text-decoration:underline}.consent-banner-actions{display:flex;flex-wrap:wrap;gap:8px}.consent-overlay{position:fixed;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,.45)}.consent-dialog{position:static;inset:auto;margin:0;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;color:inherit;background:var(--paper-strong);border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--shadow);padding:20px 22px}.consent-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.consent-dialog-head h2{margin:0}.consent-close{background:none;border:0;font-size:1.5rem;line-height:1;cursor:pointer;color:var(--ink-muted);padding:4px 8px}.consent-dialog a{color:var(--blue);text-decoration:underline}.consent-cat{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}.consent-cat-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.consent-cat-head label{cursor:pointer}.consent-cat p{margin:4px 0 0;font-size:.88rem}.consent-always{font-size:.8rem;color:var(--green);font-weight:600}.consent-dialog-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.footer-link-button{background:none;border:0;padding:0;font:inherit;cursor:pointer;color:var(--ink-muted)}.footer-link-button:hover{color:var(--blue);text-decoration:underline}.lesson-head-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.feedback-open{display:inline-flex;align-items:center;gap:6px}.feedback-dialog{max-width:480px}.feedback-type-label{margin:14px 0 6px;font-size:.85rem}.feedback-types{display:flex;gap:8px;margin:0 0 10px}.feedback-type{flex:1 1;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 12px;background:var(--paper);border:1px solid var(--border);border-radius:var(--r-s);cursor:pointer;color:inherit;font:inherit}.feedback-type.selected{border-color:var(--blue);background:color-mix(in srgb,var(--blue) 10%,transparent);font-weight:600}.feedback-context{margin:0 0 8px;font-size:.85rem}.feedback-message{width:100%;resize:vertical}.feedback-admin-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.feedback-admin-item{border:1px solid var(--border);border-radius:var(--r-m);padding:12px 14px;background:var(--paper-strong)}.feedback-admin-item.is-done{opacity:.65}.feedback-admin-head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.feedback-badge{font-size:.75rem;font-weight:600;padding:2px 9px;border-radius:var(--r-s);border:1px solid var(--border)}.feedback-badge.bug{color:var(--red)}.feedback-badge.idea{color:var(--blue)}.feedback-admin-meta{font-size:.78rem}.feedback-admin-message{margin:8px 0;white-space:pre-wrap}.feedback-admin-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.feedback-admin-where{font-size:.8rem}.feedback-admin-status{display:inline-flex;align-items:center;gap:6px}.video-consent{background:var(--paper);border:1px dashed var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:16px}.video-consent .video-consent-title{margin:0;font-weight:600}.video-consent p{margin:0;font-size:.85rem}.video-consent-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.info-banners{display:grid;grid-gap:8px;gap:8px;padding:10px clamp(16px,5vw,48px) 0}.info-banner{border:1px solid #c9d6f2;background:var(--blue-soft);color:#1b2c50;border-radius:var(--r-s);padding:10px 14px}.info-banner.success{border-color:#b6d8c1;background:var(--green-soft);color:var(--green-deep)}.info-banner.warning{border-color:#e6d2a0;background:#fdf6e3;color:var(--amber-deep)}.info-banner-inner{width:min(1120px,100%);margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px}.info-banner-text{flex:1 1 260px;display:grid;grid-gap:2px;gap:2px}.info-banner-text p{margin:0;font-size:.95rem}.info-banner-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.info-banner-dismiss{display:inline-flex;border:0;background:none;color:inherit;cursor:pointer;padding:4px;border-radius:6px}.info-banner-dismiss:hover{background:rgba(31,41,55,.1)}.info-banner-dismiss svg{width:18px;height:18px}.banner-preview-controls{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 18px}.banner-preview-controls .field{display:grid;grid-gap:4px;gap:4px}.banner-preview-frames{display:flex;flex-wrap:wrap;align-items:flex-start;gap:22px}.banner-preview-frame{display:grid;grid-gap:6px;gap:6px}.banner-preview-frame figcaption{font-size:.85rem;color:var(--ink-muted);display:flex;justify-content:space-between;gap:10px}.banner-preview-screen{overflow:hidden;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong);box-shadow:var(--shadow)}.banner-preview-screen iframe{border:0;transform-origin:top left;display:block}.banner-preview-bleed{width:100vw;margin:-36px calc(50% - 50vw) 24px}.legal-page{max-width:720px}.legal-page h2{margin-top:1.4em}.legal-page a{color:var(--blue);text-decoration:underline}.legal-page code{background:var(--paper);border:1px solid var(--border);border-radius:4px;padding:0 4px}.ai-disclosure{font-size:.8rem;margin:4px 0}.ai-grade-note{font-size:.88rem;margin:6px 0 0}.consent-row{align-items:flex-start}.turnstile-row{display:flex;justify-content:center;min-height:65px}.button.danger{border-color:var(--red);color:var(--red)}.button.danger:hover{background:var(--red);color:#fff}.install-app-card{justify-items:start}.install-app-card p{margin:0}.settings-stack{gap:30px}.settings-section{display:grid;grid-gap:12px;gap:12px}.settings-section>h2{font-size:1.3rem;scroll-margin-top:84px}.danger-panel{border-color:color-mix(in srgb,var(--red) 35%,var(--border));background:linear-gradient(0deg,rgba(179,58,58,.04),rgba(179,58,58,.04)),var(--paper)}.route-loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:48px 0}.route-spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:route-spin .8s linear infinite}@keyframes route-spin{to{transform:rotate(1turn)}}.tg-signing-in{inset:0;z-index:60;flex-direction:column;justify-content:center;gap:12px;background:#f6f5ef;color:var(--muted)}.sw-update,.tg-signing-in{position:fixed;display:flex;align-items:center}.sw-update{left:50%;bottom:16px;transform:translateX(-50%);z-index:55;gap:10px;max-width:calc(100vw - 32px);padding:10px 14px;border:1px solid var(--border);border-radius:999px;background:var(--surface,#fff);box-shadow:0 6px 24px rgb(0 0 0/12%)}.sw-update-text{font-size:.92rem}.install-prompt{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:54;display:flex;align-items:center;gap:10px;max-width:calc(100vw - 32px);padding:8px 10px 8px 16px;border:1px solid var(--border);border-radius:999px;background:var(--surface,#fff);box-shadow:0 6px 24px rgb(0 0 0/12%)}.install-prompt-text{font-size:.9rem}.install-prompt-dismiss{flex-shrink:0;width:26px;height:26px;border:none;border-radius:50%;background:transparent;color:var(--muted);font-size:1.2rem;line-height:1;cursor:pointer}.install-prompt-dismiss:hover{background:rgb(0 0 0/6%)}@media (max-width:480px){.install-prompt,.sw-update{flex-wrap:wrap;justify-content:center;border-radius:14px;text-align:center}}.locale-switcher{min-height:36px;padding:0 30px 0 10px;background-position:right 8px center;background-size:14px;font-size:.8rem}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.usage-row{display:grid;grid-gap:8px;gap:8px}.usage-label{display:inline-flex;align-items:center;gap:8px;font-weight:700}.usage-meter{height:8px;border-radius:var(--r-pill);background:var(--track);overflow:hidden}.usage-meter-fill{height:100%;border-radius:var(--r-pill);background:var(--blue);transition:width .25s ease}.usage-meter-fill.full{background:var(--red)}.usage-table{width:100%;border-collapse:collapse;font-size:.92rem}.usage-table td,.usage-table th{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border)}.usage-table tr.over-budget td{color:var(--red);font-weight:700}.referral-code{padding:8px 14px;border:1px dashed var(--blue);border-radius:var(--r-s);background:var(--blue-soft);color:var(--blue-dark);font-size:1.15rem;font-weight:800;letter-spacing:2px}.lang-flag{flex:0 0 auto;border-radius:3px;box-shadow:0 0 0 1px rgba(31,41,55,.12)}.course-part .course-flag{align-self:center}.h1-flag-row{display:flex;align-items:center;gap:12px}.h1-flag-row .lang-flag{margin-top:4px}.study-card.empty-state .button{justify-self:center}.write-block{display:grid;grid-gap:12px;gap:12px}.write-block input{min-height:46px;padding:0 14px;border:1px solid var(--border);border-radius:var(--r-s);font-size:1.05rem}.my-exercises h2{display:inline-flex;align-items:center;gap:8px}.my-exercises-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px 12px;flex-wrap:wrap}.my-exercises-head .linklike{font-size:.9rem;font-weight:600}.course-header-actions{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.course-bridges{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px}.course-words-line{margin:0;display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);font-weight:700;font-size:.95rem}.course-placement-link{font-size:.9rem;font-weight:600}.my-exercise{align-items:flex-start}.my-exercise-actions{display:flex;gap:6px;flex:0 0 auto}.my-exercise-actions .icon-button{position:static}.my-exercise-edit{margin-top:10px}.tutor-lesson-links{margin:6px 0 0;font-size:.92rem}.tutor-lesson-links a{margin-right:10px;color:var(--blue);font-weight:700;text-decoration:underline}.tutor-lesson-card{display:flex;align-items:center;gap:12px;margin:10px 0 2px;padding:12px 14px;border:1px solid #c9d6f2;border-radius:var(--r-s);background:var(--blue-soft);color:#1b2c50}.tutor-lesson-card:hover{border-color:var(--blue);background:#e6eeff}.tutor-lesson-card>svg{flex:0 0 auto;color:var(--blue)}.tutor-lesson-card-body{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1 1}.tutor-lesson-card-text{font-size:.85rem;color:var(--ink-muted)}.tutor-lesson-card-title{font-weight:800;overflow-wrap:anywhere}.tutor-lesson-card-course{font-size:.8rem;font-weight:600;color:var(--ink-muted)}.tutor-lesson-card-go{flex:0 0 auto;align-self:center;font-weight:800;color:var(--blue);white-space:nowrap}.ai-draft-preview{display:grid;grid-gap:10px;gap:10px;margin-top:4px}.ai-draft-list{margin:0;padding-left:20px;display:grid;grid-gap:6px;gap:6px}.ai-draft-list .chip{font-size:.78rem;color:var(--ink-muted)}.ai-draft-preview .button{justify-self:start}.course-themes{display:grid;grid-gap:14px;gap:14px}.theme-toggle h2{font-size:1.18rem}.theme-body .folder-group{box-shadow:none}.course-search input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow);font:inherit}.search-empty{display:grid;grid-gap:10px;gap:10px;justify-items:start;padding:14px;border:1px dashed var(--border);border-radius:var(--r-s)}.request-thanks{margin:0;font-weight:600}.interest-block{border:1px solid var(--border);border-radius:var(--r-s);padding:12px 14px;display:grid;grid-gap:8px;gap:8px;margin:0}.interest-block legend{font-weight:700;padding:0 4px}.interest-panel{display:grid;grid-gap:10px;gap:10px}.interest-panel h2{margin:0;font-size:1.1rem}.interest-chips{display:flex;flex-wrap:wrap;gap:8px}.chip.active{border-color:var(--blue);background:var(--blue);color:#fff}.edit-interests,.show-more{justify-self:start}.linklike{background:none;border:none;padding:0;color:var(--blue);text-decoration:underline;cursor:pointer;font:inherit}.ex-spreadsheet .ex-sheet-wrap{overflow-x:auto}.ex-spreadsheet .ex-sheet{border-collapse:collapse;margin:.75rem 0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ex-spreadsheet .ex-sheet td,.ex-spreadsheet .ex-sheet th{border:1px solid var(--border);padding:.35rem .6rem;min-width:3rem;text-align:left}.ex-spreadsheet .ex-sheet tbody th,.ex-spreadsheet .ex-sheet thead th{background:var(--surface-2);font-weight:600;text-align:center;color:var(--muted)}.ex-spreadsheet .ex-sheet-target{padding:0}.ex-spreadsheet .ex-sheet-target input{width:100%;min-width:8rem;border:2px solid var(--accent);padding:.35rem .6rem;font:inherit;box-sizing:border-box}.streak-bar{border:1px solid var(--border);border-radius:var(--r-m);background:var(--paper);padding:10px 16px;box-shadow:var(--shadow)}.streak-stats{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px}.streak-stat{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--ink)}.streak-stat.muted{font-weight:600;color:var(--ink-muted)}.streak-flame{color:var(--amber)}.button-small{min-height:32px;padding:0 11px;font-size:.85rem;margin-left:4px}.button-ghost{background:transparent;box-shadow:none;border-color:transparent}.freeze-dialog{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.freeze-days{display:inline-flex;align-items:center;gap:8px;font-weight:700}.freeze-days input{width:72px;min-height:42px;padding:0 10px;border:1px solid var(--border);border-radius:var(--r-s)}.words-course-card{position:relative;gap:14px}.words-course-main{display:flex;align-items:center;gap:12px}.words-course-main .word-main{flex:1 1 auto}.words-course-icon{width:26px;height:26px;flex:none;color:var(--blue)}.words-course-card .icon-button{position:static;flex:none;width:36px;height:36px}.words-badge{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:var(--r-pill);background:var(--blue-soft);color:var(--blue);font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.02em;vertical-align:middle}.words-create-panel{display:grid;grid-gap:12px;gap:12px}.words-create-panel h2{margin:0}.words-create-form{display:grid;grid-gap:12px;gap:12px}.words-create-form .field{display:grid;grid-gap:6px;gap:6px}.words-create-form .field>span{font-weight:700}.words-create-form input{min-height:42px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s)}.words-empty{gap:16px}.learn-course-scope{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:6px 0 0;color:var(--ink-2);font-weight:600}.learn-course-scope a{color:var(--blue);font-weight:700}.ai-organize{display:grid;grid-gap:8px;gap:8px;margin:4px 0 12px;padding:12px;border:1px dashed var(--border);border-radius:var(--r-s);background:#fbfbf7}.ai-organize-hint{margin:0;font-size:.9rem}.ai-saved-folder-name{flex:1 1 auto;min-width:0;font-weight:800}.ai-saved-apply-note{margin:6px 0 0;font-size:.9rem}.tt-root{display:contents}.tt-selectable{cursor:text}.tt-popover{z-index:60;background:var(--paper);border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--shadow-pop);padding:12px 14px}.tt-close{position:absolute;top:6px;right:6px;display:inline-flex;padding:2px;color:var(--ink-muted);background:none;border:none;line-height:0;cursor:pointer}.tt-source-row{display:flex;align-items:center;gap:8px;margin:0 20px 4px 0}.tt-source-row .tt-source{margin:0}.tt-play{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;padding:0;color:var(--green);background:color-mix(in srgb,var(--green) 12%,transparent);border:1px solid var(--border);border-radius:50%;line-height:0;cursor:pointer}.tt-play:hover:not(:disabled){color:#fff;background:var(--green)}.tt-play:disabled{opacity:.55;cursor:default}.tt-source{margin:0 20px 4px 0;font-weight:700}.tt-source,.tt-translation{font-size:.98rem;color:inherit}.tt-translation{margin:0}.tt-muted{color:var(--ink-muted)}.tt-save-note{margin:9px 0 0;display:flex;flex-wrap:wrap;gap:4px 6px}.tt-add,.tt-save-note{align-items:center;font-size:.85rem}.tt-add{margin-top:10px;display:inline-flex;gap:6px;padding:6px 12px;font-weight:600;color:#fff;background:var(--green);border:none;border-radius:var(--r-s);cursor:pointer}.tt-add:disabled{opacity:.7;cursor:default}.tt-undo{padding:0;font:inherit;font-weight:600;color:var(--green);background:none;border:none;text-decoration:underline;cursor:pointer}.vocab-offer{margin-top:16px;padding:clamp(18px,4vw,26px);display:grid;grid-gap:12px;gap:12px;background:var(--paper);border:1px solid var(--border);border-radius:var(--r-l);box-shadow:var(--shadow)}.vocab-offer h3{margin:0;font-size:1.15rem}.vocab-offer-sub{margin:0;color:var(--ink-muted);font-size:.9rem}.vocab-offer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.vocab-offer-folder{font-weight:700;font-size:.95rem}.vocab-offer-toggle{padding:0;font:inherit;font-size:.85rem;font-weight:600;color:var(--blue);background:none;border:none;text-decoration:underline;cursor:pointer}.vocab-offer-list{margin:0;padding:0;list-style:none;display:grid;grid-gap:2px;gap:2px}.vocab-offer-list label{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-s);cursor:pointer}.vocab-offer-list label:hover{background:rgba(45,125,70,.06)}.vocab-offer-list input[type=checkbox]{width:18px;height:18px;flex:none;accent-color:var(--green);cursor:pointer}.vocab-offer-word{flex:1 1;font-size:.98rem}.vocab-offer-sep{color:var(--ink-muted)}.vocab-offer-list .is-added input[type=checkbox],.vocab-offer-list .is-added label{cursor:default}.vocab-offer-list .is-added label:hover{background:none}.vocab-offer-list .is-added .vocab-offer-word{color:var(--ink-muted);text-decoration:line-through;-webkit-text-decoration-color:rgba(100,112,109,.5);text-decoration-color:rgba(100,112,109,.5)}.vocab-offer-tag{flex:none;padding:2px 8px;font-size:.72rem;font-weight:700;color:var(--ink-muted);background:#eef0ec;border-radius:var(--r-pill)}.vocab-offer .button.primary{justify-self:start}.course-complete{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:clamp(16px,4vw,24px);background:linear-gradient(135deg,var(--green-soft),var(--paper));border:1px solid #aad5b8;border-radius:var(--r-l);box-shadow:var(--shadow)}.course-complete-emoji{font-size:2.4rem;line-height:1}.course-complete-text{flex:1 1 240px;min-width:0}.course-complete-text h2{margin:0 0 4px;font-size:1.25rem}.course-complete-text p{margin:0;color:var(--ink-muted);font-size:.92rem}.unit-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.unit-done{display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px}.unit-done-label{font-size:.82rem;font-weight:700;color:var(--green)}.share{position:relative;display:inline-block}.share-trigger{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}.share-compact .share-trigger{padding:5px 10px;font-size:.85rem}.share-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:50;min-width:200px;padding:6px;display:grid;grid-gap:2px;gap:2px;background:var(--paper-strong);border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--shadow-pop)}.share-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;font:inherit;font-size:.92rem;color:inherit;text-align:left;text-decoration:none;background:none;border:none;border-radius:var(--r-s);cursor:pointer}.share-item:hover{background:rgba(35,100,170,.08)}.share-dot{width:14px;height:14px;flex:none;border-radius:50%;background:var(--ink-muted)}.share-dot-telegram{background:#29a9eb}.share-dot-whatsapp{background:#25d366}.share-dot-x{background:#111111}.share-dot-linkedin{background:#0a66c2}.share-dot-facebook{background:#1877f2}.course-complete-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.cert-trigger{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}.cert-trigger.compact{padding:5px 10px;font-size:.85rem}.cert-form{display:grid;grid-gap:8px;gap:8px;padding:12px;background:var(--paper-strong);border:1px solid var(--border);border-radius:var(--r-m)}.cert-form-label{display:grid;grid-gap:5px;gap:5px;font-size:.9rem;font-weight:600}.cert-form-label input{padding:8px 10px;font:inherit;font-weight:400;border:1px solid var(--border);border-radius:var(--r-s);min-width:220px}.cert-form-actions{display:flex;gap:8px}.certificate-page{align-items:center;text-align:center}.certificate-verified{margin:0;display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:.9rem;font-weight:700;color:var(--green);background:var(--green-soft);border:1px solid #aad5b8;border-radius:var(--r-pill)}.certificate{width:100%;max-width:720px;margin:0 auto;padding:clamp(24px,5vw,44px);display:grid;justify-items:center;grid-gap:10px;gap:10px;background:linear-gradient(160deg,#fffdf8,#f3f8f4);border:2px solid var(--green);border-radius:var(--r-m);box-shadow:var(--shadow);font-family:"PT Serif",Georgia,Times New Roman,serif}.certificate-title{margin:0;font-size:clamp(1.8rem,5vw,2.6rem);letter-spacing:.12em;color:var(--ink)}.certificate-rule{width:120px;height:2px;background:var(--green);border-radius:2px}.certificate-above{margin:6px 0 0;color:var(--ink-muted);font-size:1rem}.certificate-name{margin:0;font-size:clamp(1.5rem,4vw,2.1rem);font-weight:700;color:var(--ink)}.certificate-action{margin:4px 0 0;font-size:1.05rem;color:var(--ink)}.certificate-course{margin:0;font-size:clamp(1.15rem,3vw,1.5rem);font-weight:700;color:var(--green)}.certificate-platform{margin:0;color:var(--ink-muted)}.certificate-foot{margin-top:14px;width:100%;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.certificate-issued{font-size:.85rem;color:var(--ink-muted)}.certificate-qr img{display:block;width:84px;height:84px}.certificate-actions{justify-content:center}.diploma-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.diploma-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper)}.diploma-meta{display:flex;flex-direction:column;gap:2px;min-width:0}.button.compact,.diploma-meta .muted{font-size:.85rem}.button.compact{padding:5px 12px}.badge-count{font-size:.95rem;font-weight:600}.badge-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:10px;gap:10px}.badge-card{position:relative;display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-m);background:var(--paper)}.badge-card:not(.earned){opacity:.72}.badge-icon{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:var(--r-pill);background:#eef1ec;color:var(--ink-muted)}.badge-card.earned .badge-icon{background:var(--green-soft);color:var(--green)}.badge-body{display:flex;flex-direction:column;gap:2px;min-width:0}.badge-body strong{line-height:1.2}.badge-body .muted{font-size:.82rem}.badge-earned-at{font-size:.8rem;font-weight:600;color:var(--green)}.badge-bar{margin-top:5px;height:8px;background:var(--track);overflow:hidden}.badge-bar,.badge-bar-fill{border-radius:var(--r-pill)}.badge-bar-fill{display:block;height:100%;background:var(--green)}.badge-card.fresh{border-color:var(--green);box-shadow:0 0 0 2px var(--green-soft)}.badge-new{position:absolute;top:8px;right:8px;font-size:.7rem;font-weight:700;color:#fff;background:var(--green);padding:1px 7px;border-radius:var(--r-pill)}.card-composer{display:grid;grid-gap:12px;gap:12px}.composer-head{display:grid;grid-gap:2px;gap:2px}.composer-title{font-size:1.15rem;font-weight:800;margin:0}.composer-subtitle{color:var(--ink-muted);font-size:.95rem;margin:0}.composer-card{background:var(--paper-strong);border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--shadow);overflow:hidden}.composer-input{display:block;width:100%;border:0;background:transparent;resize:none;font:inherit;font-size:1.05rem;line-height:1.45;min-height:92px;padding:16px 18px 8px;color:var(--ink)}.composer-input:focus{outline:none}.composer-attachments{display:flex;flex-wrap:wrap;gap:10px;padding:4px 16px 12px}.composer-thumb{position:relative;width:72px;height:72px;border-radius:var(--r-s);overflow:hidden;border:1px solid var(--border)}.composer-thumb img{width:100%;height:100%;object-fit:cover;display:block}.composer-doc-remove,.composer-thumb-remove{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;color:#fff;background:rgba(31,41,55,.62);border-radius:var(--r-pill)}.composer-thumb-remove{position:absolute;top:4px;right:4px;width:20px;height:20px}.composer-doc-chip{gap:10px;padding:8px 10px;border:1px solid var(--border);background:var(--paper)}.composer-doc-chip,.composer-doc-icon{display:inline-flex;align-items:center;border-radius:var(--r-s)}.composer-doc-icon{justify-content:center;width:34px;height:34px;color:var(--blue);background:var(--blue-soft)}.composer-doc-meta{display:grid;line-height:1.2}.composer-doc-meta .muted{font-size:.8rem}.composer-doc-remove{width:22px;height:22px;background:rgba(31,41,55,.5)}.composer-toolbar{justify-content:space-between;gap:10px;padding:10px 12px;border-top:1px solid var(--border);background:var(--paper);border-radius:0 0 11px 11px}.composer-toolbar,.composer-tools{display:flex;align-items:center;flex-wrap:wrap}.composer-tools{gap:8px}.composer-tool{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong);font:inherit;font-weight:700;color:var(--ink);cursor:pointer}.composer-tool:hover:not(:disabled){border-color:var(--blue)}.composer-tool:disabled{opacity:.5;cursor:not-allowed}.composer-submit{min-height:40px;font-weight:800}.composer-submit:disabled{opacity:.55}.composer-lang{position:relative}.composer-lang-btn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong);font:inherit;font-weight:700;color:var(--ink);cursor:pointer}.composer-lang-globe{color:var(--teal)}.composer-lang-chev{transition:transform .15s ease}.composer-lang-chev.open{transform:rotate(180deg)}.composer-lang-btn.unset{border-color:var(--blue);background:var(--blue-soft);color:var(--blue);animation:composer-lang-pulse 1.8s ease-in-out infinite}.composer-lang-btn.unset .composer-lang-globe{color:var(--blue)}@keyframes composer-lang-pulse{0%,to{box-shadow:0 0 0 0 rgba(35,100,170,0)}50%{box-shadow:0 0 0 5px rgba(35,100,170,.28)}}@media (prefers-reduced-motion:reduce){.composer-lang-btn.unset{animation:none}}.composer-lang-menu{position:absolute;z-index:20;top:calc(100% + 6px);left:0;min-width:190px;margin:0;padding:6px;list-style:none;background:var(--paper-strong);border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--shadow-pop)}.composer-lang-item{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border:0;border-radius:var(--r-s);background:transparent;font:inherit;text-align:left;color:var(--ink);cursor:pointer}.composer-lang-item:hover{background:#f2f4f8}.composer-lang-item.on{background:var(--blue-soft);font-weight:800}.composer-lang-check{display:inline-flex;width:16px;color:var(--blue)}.composer-lang-hint{display:inline-flex;align-items:center;gap:6px;margin:0;color:var(--blue);font-size:.9rem;font-weight:600}.composer-lang-hint svg{color:var(--teal)}.composer-chips{display:flex;flex-wrap:wrap;gap:8px}.composer-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px dashed var(--border);border-radius:var(--r-pill);background:transparent;font:inherit;font-size:.88rem;color:var(--ink-muted);cursor:pointer}.composer-chip:hover{border-color:var(--teal);color:var(--ink)}.composer-chip svg{color:var(--teal)}.composer-disclosure{font-size:.82rem}.composer-thinking-card{background:var(--paper-strong);border:1px solid var(--border);border-radius:var(--r-m);box-shadow:var(--shadow);padding:22px 18px;display:flex;justify-content:center}.composer-edit-badge{display:inline-flex;align-items:center;gap:8px;align-self:start;padding:6px 12px;border-radius:var(--r-pill);background:var(--blue-soft);color:var(--blue);font-weight:700;font-size:.9rem}.composer-edit-badge svg{color:var(--teal)}.composer-changes-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.strength-band{display:flex;height:12px;overflow:hidden;border-radius:var(--r-pill);background:var(--border)}.strength-band.micro{height:6px}.band-seg{height:100%;transition:width .6s ease-out}.band-seg.new{background:var(--border)}.band-seg.weak{background:var(--amber)}.band-seg.medium{background:var(--blue)}.band-seg.strong{background:var(--green)}.band-legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin:0;color:var(--ink-muted);font-size:.85rem;font-weight:600}.band-legend span{display:inline-flex;align-items:center;gap:6px}.band-dot{flex:0 0 auto;width:8px;height:8px;border-radius:var(--r-pill)}.band-dot.new{background:var(--border)}.band-dot.weak{background:var(--amber)}.band-dot.medium{background:var(--blue)}.band-dot.strong{background:var(--green)}.due-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);background:#fdf6e3;color:var(--amber-deep);font-weight:700;font-size:.9rem}.ex-listen-items{margin:0;padding-left:1.4rem;display:grid;grid-gap:14px;gap:14px}.ex-listen-row{display:grid;grid-gap:6px;gap:6px;justify-items:start}.ex-listen-controls{display:flex;gap:6px}.ex-listen-row input{min-width:min(360px,100%)}.ex-listen-row.correct input{border-color:var(--green,#2e7d32)}.ex-listen-row.wrong input{border-color:var(--red,#c62828)}.ex-listen-text{font-weight:700}.ex-listen-translation{font-weight:400;color:var(--muted,#667)}.ex-vocab-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:10px;gap:10px}.ex-vocab-list li{display:flex;align-items:flex-start;gap:10px}.ex-vocab-front{font-weight:700}.ex-vocab-back,.ex-vocab-example{color:var(--muted,#667)}.ex-vocab-example{font-style:italic;font-size:.92rem}.ex-vocab-check{margin:0;padding-left:1.4rem;display:grid;grid-gap:12px;gap:12px}.ex-vocab-row label{display:grid;grid-gap:4px;gap:4px}.ex-vocab-row input{max-width:320px}.ex-vocab-row.correct input{border-color:var(--green,#2e7d32)}.ex-vocab-row.wrong input{border-color:var(--red,#c62828)}.ex-vocab-prompt{font-weight:600}.ex-vocab-key{display:flex;align-items:center;gap:6px;font-weight:700}.next-lesson-card,.review-card,.warmup-card,.words-check-card{display:grid;grid-gap:10px;gap:10px}.review-progress{font-weight:600;color:var(--muted,#667)}.review-advice{display:block}.lesson-checkpoint{display:grid;grid-gap:10px;gap:10px;justify-items:start}.lesson-checkpoint-praise{font-weight:700}.lesson-card-slot{display:grid;grid-gap:4px;gap:4px}.lesson-remediation-link{justify-self:start;font-size:.9rem;font-weight:600;padding:2px 10px}.lesson-review-pill{margin-left:8px;font-size:.72rem;vertical-align:middle}.lesson-hint{display:grid;grid-gap:8px;gap:8px;justify-items:start}.lesson-hint-fatigue{font-weight:600}.skeleton-line{height:14px;border-radius:var(--r-pill);background:var(--surface-2);animation:skeleton-pulse 1.2s ease-in-out infinite}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.55}}.skeleton-card{display:grid;grid-gap:12px;gap:12px;align-content:center;min-height:96px;padding:16px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong)}.nav-study-pill{margin-left:auto;flex:0 0 auto;min-height:38px;padding:0 14px;white-space:nowrap}button.topnav-link{border:none;background:none;cursor:pointer}.landing{gap:40px}.landing-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);grid-gap:28px;gap:28px;align-items:center}.landing-hero-copy{display:grid;grid-gap:16px;gap:16px;justify-items:start}.landing-hero-copy h1{margin:0;font-size:clamp(1.9rem,4.5vw,2.8rem);line-height:1.15}.landing-sub{margin:0;max-width:34rem;color:var(--ink-2);font-size:1.05rem}.landing-cta{min-height:48px;padding:0 22px}.landing-trust{margin:0;font-size:.9rem}.landing-demo{display:grid;grid-gap:14px;gap:14px;padding:22px;border:1px solid var(--border);border-radius:var(--r-m);background:var(--paper);box-shadow:var(--shadow)}.landing-band-key{display:grid;grid-gap:6px;gap:6px;justify-items:center}.landing-band-caption{margin:0;font-size:.82rem;line-height:1.4;color:var(--ink-muted);text-align:center}.landing-band-legend.band-legend{justify-content:center;font-size:.8rem}.landing-samples{display:grid;grid-gap:8px;gap:8px;margin:0;padding:0;list-style:none}.landing-samples li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 14px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper-strong)}.landing-sample-front{font-weight:800}.landing-sample-back{color:var(--ink-muted)}.landing-bridge,.landing-how{display:grid;grid-gap:14px;gap:14px}.landing-tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.landing-tiles h3{margin:0}.landing-langs{display:flex;flex-wrap:wrap;gap:8px}.landing-lang-chip{display:inline-flex;align-items:center;gap:8px;font-weight:700}.landing-final{display:grid;grid-gap:14px;gap:14px;justify-items:center;padding:34px 20px;border:1px solid var(--border);border-radius:var(--r-m);background:var(--paper);text-align:center}.landing-final h2{margin:0}@media (max-width:760px){.landing-hero,.landing-tiles{grid-template-columns:minmax(0,1fr)}}.dashboard-greeting h1{margin:0 0 6px}.dashboard-day{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;color:var(--ink-2);font-weight:600}.dashboard-day-item{display:inline-flex;align-items:center;gap:6px}.dashboard-day-sep,.day-flame{color:var(--ink-muted)}.day-flame.lit{color:var(--amber);fill:var(--amber)}.dashboard-day-chip{padding:2px 10px;border-radius:var(--r-pill);background:var(--green-soft);color:var(--green-deep);font-size:.85rem;font-weight:700}.study-hero{display:grid;grid-gap:14px;gap:14px;justify-items:start;padding:24px 20px}.study-hero-counts{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0;font-size:1.15rem;font-weight:800}.study-hero-counts .due-pill{font-size:1.05rem}.study-hero-new{color:var(--ink-2)}.study-hero-caught{margin:0;font-size:1.15rem;font-weight:800}.study-hero-cta{width:100%;min-height:56px;font-size:1.05rem}.study-hero-scope{font-weight:700}@media (max-width:560px){.study-hero{padding:28px 20px}}.collection-card{display:grid;grid-gap:12px;gap:12px;padding:20px}.collection-card h2,.dashboard-all-courses{margin:0}.add-words-strip{grid-template-columns:minmax(0,1fr) auto;align-items:center}.add-words-strip p{margin:0;font-weight:600;color:var(--ink-2)}@media (max-width:560px){.add-words-strip{grid-template-columns:minmax(0,1fr)}}.first-steps{display:grid;grid-gap:12px;gap:12px;padding:22px 20px}.first-steps h2,.first-steps>.muted{margin:0}.first-steps-list{display:grid;grid-gap:18px;gap:18px;margin:0;padding:0;list-style:none}.first-step{display:grid;grid-gap:8px;gap:8px;justify-items:start}.first-step h3{display:flex;align-items:center;gap:10px;margin:0}.first-step p{margin:0}.first-step-mark{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:26px;height:26px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--paper-strong);color:var(--ink-2);font-size:.85rem;font-weight:800}.first-step-mark svg{width:15px;height:15px}.first-step.done .first-step-mark{border-color:var(--green);background:var(--green-soft);color:var(--green-deep)}.first-steps-langs{display:flex;flex-wrap:wrap;gap:8px}.lang-chip{display:inline-flex;align-items:center;gap:8px;font-weight:700}.first-steps-links{display:flex;flex-wrap:wrap;gap:8px 18px}.first-steps-study{min-height:48px}.first-steps-hide{justify-self:start;color:var(--ink-muted)}.verify-nudge{display:grid;grid-gap:10px;gap:10px;justify-items:start}.verify-nudge p{margin:0}.session-settings{border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow)}.session-settings>summary{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-height:52px;padding:10px 16px;cursor:pointer;color:var(--ink);font-weight:800}.session-settings>summary svg{flex:0 0 auto;width:18px;height:18px;color:var(--ink-muted)}.session-settings>summary:after{content:"+";margin-left:auto;color:var(--blue);font-size:1.25rem;font-weight:800}.session-settings[open]>summary{border-bottom:1px solid var(--border)}.session-settings[open]>summary:after{content:"-"}.session-settings-chips{display:flex;flex-wrap:wrap;gap:6px}.session-settings-chips .continue-badge{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.session-settings .learn-controls{justify-content:flex-start;padding:14px 16px}p.learn-session-left{width:-moz-fit-content;width:fit-content;padding:3px 10px;border-radius:var(--r-pill);background:var(--surface-2);color:var(--ink-2);font-size:.82rem}p.learn-session-left,p.learn-session-progress{margin:0;font-weight:700}.learn-newly-learned{color:var(--green);font-weight:800}p.learn-day-line{margin:0}.learn-new-badge a{font-weight:800}.words-add-strip{gap:10px}.words-add-title{margin:0;font-weight:800}.words-add-chips{display:flex;flex-wrap:wrap;gap:8px}.words-add-chips .chip{color:var(--ink-2);font-size:.9rem;font-weight:600;text-decoration:none}.words-add-chips .chip:hover{border-color:var(--blue);color:var(--blue)}.words-lang-heading{display:flex;align-items:center;gap:10px}.done-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);background:#e9f3f2;color:var(--green-deep);font-weight:700;font-size:.9rem}.words-course-card .done-pill,.words-course-card .due-pill{flex:0 0 auto;font-size:.8rem;white-space:nowrap}.h1-pill-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.h1-pill-row h1{margin:0}.cards-scope{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}.cards-scope a{font-weight:700}.study-created-link{font-weight:800}.folder-study{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-s);background:var(--paper);box-shadow:var(--shadow);color:var(--blue)}.folder-study:hover{border-color:var(--blue)}.folder-study svg{width:20px;height:20px}.learn-modes{--lm-voice:#5a4bb3;--lm-voice-soft:#f2effa;--lm-amber-soft:#fdf1e0;--lm-auto:#0d7d8c;--lm-auto-soft:#e2f4f5;--lm-inset:#f6f5ef;padding:16px;border-radius:0 0 var(--r-s) var(--r-s);background:var(--lm-inset);color:var(--ink);font-size:14px}.learn-modes *,.learn-modes :after,.learn-modes :before{box-sizing:border-box}.lm-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:13px;border:1px solid var(--border);border-radius:13px;background:var(--paper)}.lm-cta-btn{display:inline-flex;align-items:center;gap:9px;min-height:54px;padding:0 26px;border:0;border-radius:10px;background:var(--blue);color:#fff;font:inherit;font-size:17px;font-weight:700;cursor:pointer}.lm-cta-btn:hover{background:var(--blue-dark)}.lm-cta-btn svg{width:19px;height:19px}.lm-cta-meta{min-width:0}.lm-cta-lead{font-weight:600;color:var(--ink)}.lm-cta-lead,.lm-cta-sum{display:block;font-size:13px}.lm-cta-sum{margin-top:2px;color:var(--ink-muted)}.lm-cta-sum b{color:var(--green);font-weight:600}.lm-or{display:flex;align-items:center;justify-content:center;gap:7px;margin:11px 0 16px;font-size:12px;color:var(--ink-muted)}.lm-or:after,.lm-or:before{content:"";flex:1 1;max-width:120px;height:1px;background:var(--border)}.lm-h{margin:0 0 8px;font-size:12px;font-weight:600;color:var(--ink-muted)}.lm-h-big{font-size:14px;color:var(--ink)}.lm-acards{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:11px;gap:11px}.lm-acard{display:block;width:100%;padding:13px;border:1.5px solid var(--border);border-radius:13px;background:var(--paper);color:inherit;font:inherit;text-align:left;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:border-color .15s,box-shadow .15s}.lm-acard.on{border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}.lm-acard:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.lm-ah{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}.lm-ah-left{display:flex;align-items:center;gap:8px}.lm-ico{display:flex;flex:none;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px}.lm-ico svg{width:17px;height:17px}.lm-ico-blue{background:var(--blue-soft);color:var(--blue)}.lm-ico-green{background:var(--green-soft);color:var(--green)}.lm-ico-voice{background:var(--lm-voice-soft);color:var(--lm-voice)}.lm-ico-auto{background:var(--lm-auto-soft);color:var(--lm-auto)}.lm-atitle{font-size:14px;font-weight:600}.lm-adesc{display:block;min-height:32px;margin:0 0 11px;font-size:12px;color:var(--ink-muted)}.lm-rec{display:inline-flex;align-items:center;gap:3px;padding:2px 7px;border-radius:var(--r-pill);background:var(--green-soft);color:var(--green);font-size:10px;font-weight:600}.lm-rec svg{width:11px;height:11px}.lm-stage{flex-direction:column;height:96px;padding:10px;border:1px solid var(--border);border-radius:9px;background:var(--lm-inset);overflow:hidden;perspective:600px}.lm-flcard,.lm-stage{display:flex;align-items:center;justify-content:center}.lm-flcard{width:100%;max-width:150px;height:52px;border:1px solid var(--border);border-radius:8px;background:var(--paper);color:var(--ink);font-size:17px;font-weight:700;-webkit-backface-visibility:hidden;backface-visibility:hidden;transition:transform .35s ease,opacity .35s ease}.lm-flcap{height:12px;margin-top:7px;font-size:10px;color:var(--ink-muted)}.lm-tystage{width:100%;max-width:160px;text-align:center}.lm-typrompt{display:block;margin-bottom:7px;font-size:16px;font-weight:700}.lm-tyinput{display:flex;align-items:center;min-height:30px;padding:6px 9px;border:1px solid var(--border);border-radius:7px;background:var(--paper);color:var(--ink);font-size:13px;text-align:left}.lm-tyinput:not(.ok):after{content:"";width:1px;height:14px;margin-left:1px;background:var(--blue);animation:lm-cursor .8s step-end infinite}.lm-tyinput.ok{border-color:var(--green);background:var(--green-soft);color:var(--green);font-weight:600}@keyframes lm-cursor{50%{opacity:0}}.lm-eq{display:flex;align-items:flex-end;gap:3px;height:30px;margin-bottom:8px}.lm-eq span{width:4px;height:30%;border-radius:2px;background:var(--lm-voice);animation:lm-eqb .75s ease-in-out infinite alternate}@keyframes lm-eqb{0%{height:14%}to{height:100%}}.lm-voprompt{display:block;font-size:14px;font-weight:700;color:var(--ink)}.lm-vocap{height:14px;margin-top:4px;font-size:11px;color:var(--ink-muted)}.lm-vocap.ok{color:var(--green);font-weight:600}.lm-aflow{gap:8px}.lm-aflow,.lm-astep{display:flex;align-items:center;justify-content:center}.lm-astep{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--paper);color:var(--lm-auto)}.lm-astep svg{width:19px;height:19px}.lm-aarr{width:14px;height:14px;color:var(--ink-muted);flex:none}@media (prefers-reduced-motion:no-preference){.lm-astep{animation:lm-astep-pulse 2.4s ease-in-out infinite}.lm-astep-2{animation-delay:.4s}.lm-astep-3{animation-delay:.8s}}@keyframes lm-astep-pulse{0%,55%,to{border-color:var(--border);background:var(--paper);transform:none}20%{border-color:var(--lm-auto);background:var(--lm-auto-soft);transform:translateY(-2px)}}.lm-sep{height:1px;margin:20px 0;background:var(--border)}.lm-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.lm-seg{display:inline-flex;flex-wrap:wrap;gap:3px;padding:3px;border-radius:9px;background:var(--surface)}.lm-seg button{display:inline-flex;align-items:center;gap:4px;padding:6px 11px;border:0;border-radius:7px;background:transparent;color:var(--ink-2);font:inherit;font-size:12px;font-weight:600;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.lm-seg button.on{background:var(--paper);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}.lm-seg button svg{width:13px;height:13px}.lm-star{display:inline-flex;color:var(--green)}.lm-star svg{width:11px;height:11px}.lm-strip{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-height:44px;margin-top:10px;padding:9px 11px;border:1px solid var(--border);border-radius:9px;background:var(--paper);font-size:12px;color:var(--ink-2)}.lm-strip-ico{flex:none;width:15px;height:15px;color:var(--blue)}.lm-chip{padding:2px 8px;border-radius:6px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:600}.lm-chip.g{background:var(--green-soft);color:var(--green)}.lm-chip.a{background:var(--lm-amber-soft);color:var(--amber)}.lm-fpick{flex-direction:column;align-items:stretch;gap:6px}.lm-fq{font-size:11px;color:var(--ink-muted)}.lm-folder-list{display:flex;flex-direction:column;gap:6px;margin:0;padding:0;list-style:none}.lm-folder-row{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--paper);color:var(--ink-2);font:inherit;font-size:12px;font-weight:600;text-align:left;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.lm-folder-row.on,.lm-folder-row:hover{border-color:var(--blue)}.lm-folder-row.on{background:var(--blue-soft);color:var(--blue)}.lm-folder-chevron{flex:none;width:14px;height:14px;color:var(--ink-muted);transition:transform .2s ease}.lm-folder-row.on .lm-folder-chevron{color:var(--blue)}.lm-folder-row[aria-expanded=true] .lm-folder-chevron{transform:rotate(180deg)}.lm-folder-name{flex:1 1 auto;min-width:0;overflow-wrap:anywhere}.lm-folder-count{flex:none;color:var(--ink-muted);font-weight:500}.lm-folder-row.on .lm-folder-count{color:var(--blue)}.lm-folder-words{max-height:168px;overflow-y:auto;margin:4px 0 2px;padding:2px 4px 2px 26px}.lm-folder-note{font-size:11px;color:var(--ink-muted)}.lm-folder-wordlist{display:flex;flex-direction:column;gap:3px;margin:0;padding:0;list-style:none;font-size:12px;color:var(--ink-muted)}.lm-folder-wordlist li{overflow-wrap:anywhere}.lm-fw-front{color:var(--ink-2)}.lm-fw-back,.lm-fw-sep{color:var(--ink-muted)}.lm-dstrip{margin-top:10px}.lm-dword{font-size:14px;font-weight:700;color:var(--ink)}.lm-darr{display:inline-flex;color:var(--blue);transition:transform .3s ease}.lm-darr svg{width:16px;height:16px}.lm-pool{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:16px}.lm-pool-label{margin:0}.lm-hint{display:flex;align-items:center;gap:6px;margin:14px 0 0;font-size:12px;color:var(--ink-muted)}.lm-hint svg{flex:none;width:14px;height:14px}@media (prefers-reduced-motion:reduce){.lm-eq span{height:60%}.lm-eq span,.lm-tyinput:not(.ok):after{animation:none}}@media (max-width:560px){.lm-acards,.lm-grid{grid-template-columns:1fr}}.try-progress{margin:0;font-size:.9rem}.try-add-form{display:grid;grid-template-columns:1fr 1fr auto;grid-gap:10px;gap:10px;align-items:center}.try-add-form input{min-width:0}@media (max-width:560px){.try-add-form{grid-template-columns:1fr}}.mobile-tabbar{display:none}@media (max-width:720px){.mobile-tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:8;align-items:flex-start;background:var(--paper);border-top:1px solid var(--border);padding:8px 4px calc(18px + env(safe-area-inset-bottom))}.mobile-tabbar.hidden,.nav-study-pill{display:none}body.has-tabbar{padding-bottom:calc(64px + env(safe-area-inset-bottom))}}.mtb-study,.mtb-tab{flex:1 1;min-width:0;min-height:44px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px 0;text-decoration:none;font-size:11px;color:var(--muted)}.mtb-study,.mtb-tab.active{color:var(--blue)}.mtb-fab svg,.mtb-tab svg{width:22px;height:22px}.mtb-ico{position:relative;display:inline-flex}.mtb-badge{position:absolute;top:-5px;left:12px;background:var(--blue);color:#fff;font-size:10px;line-height:1;font-weight:700;padding:2px 5px;border-radius:var(--r-pill)}.mtb-label{max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mtb-fab{width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:center;margin-top:-18px;border:2.5px solid var(--paper);box-shadow:0 3px 9px rgba(35,100,170,.32)}.offline-notice{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;border-left:3px solid var(--accent,#b58900)}.oauth-block{display:grid;grid-gap:.75rem;gap:.75rem}.oauth-divider{display:flex;align-items:center;gap:.75rem;font-size:.9em;opacity:.65}.oauth-divider:after,.oauth-divider:before{content:"";flex:1 1;border-top:1px solid;opacity:.35}.oauth-buttons{display:grid;grid-gap:.5rem;gap:.5rem}.oauth-button{display:flex;align-items:center;justify-content:center;gap:.6rem}.oauth-button svg{width:18px;height:18px;flex:none}