:root{--bg: #ffffff;--bg-sidebar: #f8f8f7;--bg-hover: rgba(55, 53, 47, .06);--bg-active: rgba(55, 53, 47, .09);--bg-callout: #f7f6f3;--bg-input: rgba(242, 241, 238, .6);--text: #37352f;--text-2: #73726e;--text-3: #8f8e89;--border: rgba(55, 53, 47, .12);--border-strong: rgba(55, 53, 47, .22);--accent: #1c69bb;--accent-bg: rgba(28, 105, 187, .09);--accent-text: #ffffff;--good: #448361;--warn: #cb912f;--der: #2866b5;--der-bg: rgba(40, 102, 181, .11);--die: #bb3d38;--die-bg: rgba(187, 61, 56, .1);--das: #32754e;--das-bg: rgba(50, 117, 78, .12);--shadow: 0 1px 2px rgba(15, 15, 15, .05), 0 0 0 1px rgba(15, 15, 15, .04);--shadow-pop: 0 8px 24px rgba(15, 15, 15, .12), 0 0 0 1px rgba(15, 15, 15, .05);--radius: 6px;--font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, "Cascadia Code", SFMono-Regular, Menlo, Consolas, monospace;--sidebar-w: 248px;--nav-h: 60px;--viz-1: #2a78d6;--viz-1-soft: #86b6ef;--viz-mid: #c3c2b7;--viz-neg: #e34948;--viz-context: #a5a49f;--viz-grid: #ecebe7;--viz-axis: #c3c2b7;color-scheme:light}:root[data-theme=dark]{--bg: #191919;--bg-sidebar: #202020;--bg-hover: rgba(255, 255, 255, .055);--bg-active: rgba(255, 255, 255, .09);--bg-callout: #252525;--bg-input: rgba(255, 255, 255, .055);--text: rgba(255, 255, 255, .87);--text-2: rgba(255, 255, 255, .52);--text-3: rgba(255, 255, 255, .4);--border: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .2);--accent: #529cca;--accent-bg: rgba(82, 156, 202, .14);--accent-text: #0f1b24;--good: #5fb685;--warn: #e0a64a;--der: #6aa7ea;--der-bg: rgba(106, 167, 234, .14);--die: #ec7d76;--die-bg: rgba(236, 125, 118, .14);--das: #6cc192;--das-bg: rgba(108, 193, 146, .14);--shadow: 0 0 0 1px rgba(255, 255, 255, .06);--shadow-pop: 0 8px 24px rgba(0, 0, 0, .45), 0 0 0 1px rgba(255, 255, 255, .08);--viz-1: #3987e5;--viz-1-soft: #184f95;--viz-mid: #5e5d58;--viz-neg: #e66767;--viz-context: #77766f;--viz-grid: #2c2c2a;--viz-axis: #444441;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.app{display:flex;min-height:100dvh}.sidebar{width:var(--sidebar-w);flex:none;background:var(--bg-sidebar);border-right:1px solid var(--border);position:sticky;top:0;height:100dvh;display:flex;flex-direction:column;padding:10px 8px 12px}.brand{display:flex;align-items:center;gap:10px;padding:8px 10px 14px;font-weight:600;font-size:15px}.brand svg{width:22px;height:22px;border-radius:5px}.logo-bg{fill:#191919}.logo-w{stroke:#fff}:root[data-theme=dark] .logo-bg{fill:#ffffffe6}:root[data-theme=dark] .logo-w{stroke:#191919}.nav-item{display:flex;align-items:center;gap:10px;width:100%;border:0;background:none;text-align:left;padding:6px 10px;border-radius:var(--radius);color:var(--text-2);font-size:14.5px;font-weight:500}.nav-item:hover{background:var(--bg-hover)}.nav-item[aria-current=page]{background:var(--bg-active);color:var(--text)}.nav-item svg{width:18px;height:18px;flex:none}.sidebar-foot{margin-top:auto;padding:10px;display:grid;gap:8px;font-size:12.5px;color:var(--text-2)}.main{flex:1;min-width:0}.page{max-width:780px;margin:0 auto;padding:64px 56px 120px}.bottom-nav{display:none}@media(max-width:860px){.sidebar{display:none}.page{padding:28px 18px calc(var(--nav-h) + 40px + env(safe-area-inset-bottom))}.bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;inset:auto 0 0;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--bg);border-top:1px solid var(--border);z-index:10}.bottom-nav button{border:0;background:none;display:grid;place-items:center;align-content:center;gap:3px;font-size:11px;font-weight:500;color:var(--text-2)}.bottom-nav button[aria-current=page]{color:var(--text)}.bottom-nav svg{width:21px;height:21px}}.page-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:10px;background:var(--bg-callout);color:var(--text-2);margin-bottom:16px}.page-icon svg{width:28px;height:28px}.eyebrow{font-size:13px;color:var(--text-2);margin:0 0 2px}h1.page-title{font-size:38px;line-height:1.2;font-weight:700;letter-spacing:-.01em;margin:0 0 6px}.page-sub{color:var(--text-2);margin:0 0 32px}h2.section{font-size:20px;font-weight:600;margin:40px 0 10px;letter-spacing:-.005em}h3.block{font-size:16px;font-weight:600;margin:22px 0 8px}.muted{color:var(--text-2)}.small{font-size:13.5px}hr.divider{border:0;border-top:1px solid var(--border);margin:32px 0}@media(max-width:860px){h1.page-title{font-size:30px}.page-icon{width:44px;height:44px}.page-icon svg{width:24px;height:24px}}.callout{display:flex;gap:12px;align-items:flex-start;background:var(--bg-callout);border-radius:var(--radius);padding:14px 16px;margin:12px 0}.callout>svg{flex:none;width:20px;height:20px;margin-top:2px;color:var(--text-2)}.callout p{margin:0}.callout ul{margin:6px 0 0;padding-left:18px}.callout li{margin:2px 0}.option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.option{display:flex;gap:12px;align-items:flex-start;text-align:left;border:1px solid var(--border);background:var(--bg);border-radius:8px;padding:14px;transition:background .12s,border-color .12s}.option:hover{background:var(--bg-hover)}.option[aria-pressed=true]{border-color:var(--accent);background:var(--accent-bg)}.option svg{flex:none;width:20px;height:20px;margin-top:2px;color:var(--text-2)}.option[aria-pressed=true] svg{color:var(--accent)}.option .label{display:block;font-weight:600;font-size:15px}.option .hint{display:block;font-size:13px;color:var(--text-2)}@media(max-width:480px){.option{padding:12px;gap:10px}.option .label{font-size:14.5px}}.pills{display:flex;flex-wrap:wrap;gap:8px}.pill{border:1px solid var(--border);background:var(--bg);border-radius:999px;padding:5px 14px;font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px}.pill:hover{background:var(--bg-hover)}.pill[aria-pressed=true]{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}.pill svg{width:15px;height:15px}.props{display:grid;gap:2px;margin:8px 0}.prop{display:grid;grid-template-columns:160px 1fr;align-items:center;gap:12px;min-height:36px;padding:4px 6px;border-radius:var(--radius)}.prop:hover{background:var(--bg-hover)}.prop-label{display:flex;align-items:center;gap:8px;color:var(--text-2);font-size:14px}.prop-label svg{width:16px;height:16px}.prop-value{display:flex;align-items:center;gap:10px;font-size:14.5px;min-width:0}.prop-value{flex-wrap:wrap}@media(max-width:480px){.prop{grid-template-columns:116px 1fr}}@media(max-width:560px){.props.stack .prop{grid-template-columns:1fr;gap:6px;padding:8px 6px}}.progress{flex:1;height:6px;border-radius:999px;background:var(--bg-active);overflow:hidden;min-width:60px}.progress>span{display:block;height:100%;background:var(--accent);border-radius:inherit;transition:width .3s}.progress.good>span{background:var(--good)}.tag{display:inline-flex;align-items:center;gap:4px;font-size:12px;line-height:20px;padding:0 7px;border-radius:4px;background:var(--bg-active);color:var(--text-2);white-space:nowrap;font-weight:500}.tag.accent{background:var(--accent-bg);color:var(--accent)}.rows{border-top:1px solid var(--border)}.row{display:flex;align-items:center;gap:12px;padding:10px 6px;border-bottom:1px solid var(--border)}.row:hover{background:var(--bg-hover)}.row>svg{flex:none;width:18px;height:18px;color:var(--text-2)}.row-main{flex:1;min-width:0}.row-pic{width:24px;flex:none;text-align:center;font-size:18px}.row-title{font-weight:500;font-size:15px}.row-sub{font-size:13px;color:var(--text-2)}.icon-btn{border:0;background:none;color:var(--text-3);width:30px;height:30px;display:grid;place-items:center;border-radius:var(--radius);flex:none}.icon-btn:hover{background:var(--bg-hover);color:var(--text)}.icon-btn svg{width:16px;height:16px}details.toggle{margin:4px 0}details.toggle>summary{list-style:none;display:flex;align-items:center;gap:6px;cursor:pointer;padding:4px 6px;border-radius:var(--radius);font-weight:500}details.toggle>summary::-webkit-details-marker{display:none}details.toggle>summary:hover{background:var(--bg-hover)}details.toggle>summary svg{width:16px;height:16px;color:var(--text-2);transition:transform .15s}details.toggle[open]>summary svg{transform:rotate(90deg)}details.toggle .toggle-body{padding:4px 6px 4px 28px}.checklist{list-style:none;margin:0;padding:0;display:grid;gap:4px}.checklist li{display:flex;gap:8px;align-items:center;font-size:14.5px}.checklist .box{width:16px;height:16px;border:1.5px solid var(--border-strong);border-radius:3px;flex:none;display:grid;place-items:center}.checklist .box.done{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.checklist li{align-items:flex-start}.checklist li .box{margin-top:3px}.checklist li.met .box{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.checklist li.met>span:last-child{color:var(--text-2)}.crit-progress{display:block}.note-card{border:1px solid var(--border)}.note-card .icon-btn{margin:-4px -6px 0 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:var(--bg);border-radius:var(--radius);padding:6px 12px;font-size:14px;font-weight:500;box-shadow:var(--shadow)}.btn:hover{background:var(--bg-hover)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text);box-shadow:none}.btn.primary:hover{filter:brightness(1.06)}.btn:disabled{opacity:.5;cursor:default}.btn svg{width:16px;height:16px}.field{border:1px solid var(--border);background:var(--bg-input);border-radius:var(--radius);padding:6px 10px;font-size:14.5px;min-height:34px}.field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.log-form{display:grid;gap:12px;border:1px solid var(--border);border-radius:8px;padding:14px}.log-form .segmented{justify-self:start}.log-form .line{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.segmented{display:inline-flex;flex-wrap:wrap;max-width:100%;background:var(--bg-active);border-radius:8px;padding:2px;gap:2px}.segmented button{border:0;background:none;padding:4px 12px;border-radius:6px;font-size:13.5px;font-weight:500;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}.segmented button[aria-pressed=true]{background:var(--bg);color:var(--text);box-shadow:var(--shadow)}.segmented svg{width:15px;height:15px}.g{font-weight:600;border-radius:4px;padding:0 5px}.g-der{color:var(--der);background:var(--der-bg)}.g-die{color:var(--die);background:var(--die-bg)}.g-das{color:var(--das);background:var(--das-bg)}.g-pl{color:var(--text-2);background:var(--bg-active)}.session{display:grid;gap:10px;margin-top:8px}.session-item{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--border);border-radius:10px;padding:12px}.session-item.is-done{opacity:.6}.session-thumb{width:120px;aspect-ratio:16 / 9;border-radius:6px;overflow:hidden;flex:none;background:var(--bg-callout);display:grid;place-items:center;color:var(--text-2)}.session-thumb img{width:100%;height:100%;object-fit:cover;display:block}.session-thumb svg{width:26px;height:26px}.session-main{flex:1;min-width:0;display:grid;gap:2px}.session-detail{font-size:14px;color:var(--text-2);margin-top:4px}.session-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}a.btn{text-decoration:none}.session-thumb.no-img{width:44px;aspect-ratio:1;border-radius:8px}.session-thumb.no-img svg{width:22px;height:22px}@media(max-width:560px){.session-item.has-img{flex-direction:column}.session-item.has-img .session-thumb{width:100%;max-height:170px}}.return-prompt{border:1px solid var(--accent);background:var(--accent-bg)}.return-prompt .line{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.review{display:grid;gap:12px;margin:12px 0 8px}.review-top{display:flex;align-items:center;justify-content:space-between;min-height:30px}.flash{border:1px solid var(--border);border-radius:12px;padding:28px 24px 24px;display:grid;gap:10px;justify-items:center;text-align:center;min-height:260px;align-content:center;background:var(--bg)}.flash-pos{font-size:12px;color:var(--text-2)}.flash-pic{font-size:44px;line-height:1.1}.flash-word{font-size:32px;font-weight:650;letter-spacing:-.01em;display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center}.flash-word .g{font-size:.8em;padding:1px 8px}.icon-btn.speak{color:var(--text-2)}.flash-back{display:grid;gap:10px;justify-items:center;border-top:1px solid var(--border);padding-top:14px;margin-top:4px;width:100%}.flash-en{font-size:20px;font-weight:500}.flash-note{display:flex;gap:8px;align-items:flex-start;text-align:left;background:var(--bg-callout);border-radius:var(--radius);padding:8px 12px;font-size:13.5px;max-width:460px}.flash-note svg{width:16px;height:16px;flex:none;margin-top:2px;color:var(--warn)}.flash-ex{display:grid;gap:2px}.flash-ex-de{font-size:17px;display:inline-flex;align-items:center;gap:4px;justify-content:center}.review-actions{display:flex;gap:10px}.btn.wide{flex:1;padding:10px 14px;font-size:15px}.btn.again{color:var(--die)}.kbd-hint{text-align:center;margin:0}@media(max-width:860px){.kbd-hint{display:none}.flash{min-height:240px;padding:22px 16px 18px}.flash-word{font-size:28px}}.word-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0}.word-card{border:1px solid var(--border);border-radius:8px;padding:14px;display:grid;gap:4px}.word-card .de{font-size:18px;font-weight:600}.word-card .en{font-size:13.5px;color:var(--text-2)}@media(max-width:560px){.word-cards{grid-template-columns:1fr}}.road{position:relative;margin:16px 0;padding-left:26px}.road:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--border)}.stop{position:relative;padding:6px 0 14px}.stop:before{content:"";position:absolute;left:-23px;top:12px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--border-strong)}.stop.here:before{border-color:var(--accent);background:var(--accent);box-shadow:0 0 0 4px var(--accent-bg)}.stop.goal:before{border-color:var(--good)}.stop-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}.stop-name{font-weight:600}.stop-meta{font-size:13px;color:var(--text-2)}.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.stat{border:1px solid var(--border);border-radius:8px;padding:12px 14px}.stat .n{font-size:24px;font-weight:700;letter-spacing:-.01em}.stat .l{font-size:13px;color:var(--text-2)}@media(max-width:560px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.toast{position:fixed;right:20px;bottom:20px;z-index:30;display:flex;align-items:center;gap:12px;background:var(--bg);border-radius:8px;box-shadow:var(--shadow-pop);padding:10px 12px 10px 14px;font-size:14px;max-width:calc(100vw - 32px)}@media(max-width:860px){.toast{left:16px;right:16px;bottom:calc(var(--nav-h) + 12px + env(safe-area-inset-bottom))}}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--good)}.status-dot.off{background:var(--warn)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.know{display:grid;gap:2px}.know-row{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14.5px}.know-row:last-child{border-bottom:none}.know-label{color:var(--text-2)}.know-val p{margin:0}.know-val p+p{margin-top:4px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.split{display:grid;gap:8px;margin-top:4px}.split-row{display:grid;grid-template-columns:96px 1fr 88px;gap:10px;align-items:center;font-size:14px}.split-row>.small{white-space:nowrap}.split-bar{position:relative;height:8px;border-radius:4px;background:var(--bg-active);overflow:hidden}.split-bar>span{position:absolute;inset:0 auto 0 0;border-radius:4px;background:var(--text-2)}.split-bar>i{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--text)}@media(max-width:640px){.know-row{grid-template-columns:1fr;gap:2px}.split-row{grid-template-columns:74px 1fr auto}}.viz{position:relative;margin:8px 0 4px}.viz svg{display:block;overflow:visible;touch-action:pan-y}.viz svg:focus-visible,.viz rect:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.viz-grid{stroke:var(--viz-grid);stroke-width:1}.viz-base{stroke:var(--viz-axis);stroke-width:1}.viz-goal,.viz-cross{stroke:var(--text-3);stroke-width:1}.viz-tick{fill:var(--text-2);font-size:11px;font-variant-numeric:tabular-nums}.viz-end{fill:var(--text);font-size:12px;font-weight:600}.viz-line{stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.viz-dot{stroke:var(--bg);stroke-width:2}.viz-col.is-hover path,.viz-col.is-hover rect:not([fill=transparent]){opacity:.8}.viz-legend{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13px;color:var(--text-2);margin-bottom:4px}.viz-legend span{display:inline-flex;align-items:center;gap:6px}.key-box{width:10px;height:10px;border-radius:2px}.key-line{width:14px;height:2px;border-radius:1px}.viz-tip{position:absolute;top:18px;width:160px;background:var(--bg);box-shadow:var(--shadow-pop);border-radius:6px;padding:8px 10px;font-size:12.5px;pointer-events:none;z-index:2}.viz-tip-title{color:var(--text-2);margin-bottom:4px}.viz-tip-row{display:flex;align-items:center;gap:6px}.viz-tip-row i{width:12px;height:2px;border-radius:1px;flex:none}.viz-tip-row span{color:var(--text-2)}.viz-table{margin-top:2px;font-size:13px}.viz-table summary{cursor:pointer;color:var(--text-2);width:max-content}.viz-table .table-wrap{max-height:260px;overflow:auto;margin-top:6px}.viz-bars{display:grid;gap:6px;margin:8px 0}.viz-bar-row{display:grid;grid-template-columns:120px 1fr 56px;gap:10px;align-items:center;font-size:14px}.viz-bar-track{height:10px}.viz-bar-track>span{display:block;height:10px;border-radius:0 4px 4px 0}.viz-bar-value{color:var(--text-2);font-variant-numeric:tabular-nums;text-align:right}.chart-card{margin-top:4px}@media(max-width:640px){.viz-bar-row{grid-template-columns:96px 1fr 48px}}.btn.back{margin-bottom:20px;box-shadow:none;border-color:transparent;color:var(--text-2);padding-left:6px}h2.section.with-icon{display:flex;align-items:center;gap:8px}h2.section.with-icon svg{width:19px;height:19px;color:var(--text-2)}button.row.link-row,a.row.link-row{width:100%;border-left:0;border-right:0;border-top:0;background:none;text-align:left;text-decoration:none;color:inherit;font:inherit;cursor:pointer}button.row.link-row:hover,a.row.link-row:hover{background:var(--bg-hover)}.lesson-num,.sound-badge{width:26px;height:26px;flex:none;display:grid;place-items:center;border-radius:6px;background:var(--bg-callout);font-size:13px;font-weight:600;color:var(--text-2)}.sound-badge{width:auto;min-width:26px;padding:0 6px;font-size:12px}.page-icon.story-pic,.page-icon.sound-pic{font-size:28px;font-weight:600;color:var(--text)}.return-wrap{padding-top:20px;padding-bottom:0}.story-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0 16px;position:sticky;top:0;background:var(--bg);padding:8px 0;z-index:5}.story{display:grid;gap:4px}.sentence{display:grid;grid-template-columns:1fr auto;gap:2px 8px;padding:10px;border-radius:8px;transition:background .15s}.sentence.playing{background:var(--accent-bg)}.sentence-de{font-size:21px;line-height:1.6}.sentence-tools{display:flex;gap:2px;align-items:flex-start}.sentence-en{grid-column:1 / -1;color:var(--text-2);font-size:15px}button.w{border:0;background:none;padding:0 1px;margin:0;font:inherit;color:inherit;border-radius:4px;border-bottom:1px dashed transparent}button.w:hover{background:var(--bg-hover);border-bottom-color:var(--border-strong)}button.w.picked{background:var(--accent-bg);color:var(--accent)}.story-end{margin:28px 0 120px}.word-panel{position:fixed;left:calc(var(--sidebar-w) + 24px);right:24px;bottom:20px;max-width:560px;margin:0 auto;background:var(--bg);border-radius:12px;box-shadow:var(--shadow-pop);padding:14px 16px;display:grid;gap:4px;z-index:20}.word-panel-head{display:flex;align-items:center;gap:6px}.word-panel-word{font-size:20px;font-weight:650}.word-panel-en{font-size:17px}.word-panel-foot{margin-top:8px}@media(max-width:860px){.word-panel{left:12px;right:12px;bottom:calc(var(--nav-h) + 12px + env(safe-area-inset-bottom))}.sentence-de{font-size:19px}}.lesson{display:grid;gap:6px}.lesson-text p{margin:0 0 10px}.lesson-text ul,.callout ul{margin:4px 0 10px;padding-left:20px}.callout p+p{margin-top:6px}.lesson-name{display:flex;gap:8px;align-items:center;font-size:13.5px;color:var(--text-2);border-top:1px solid var(--border);padding-top:10px;margin-top:6px}.lesson-examples{display:grid;gap:6px;border-left:3px solid var(--border-strong);padding:2px 0 2px 14px;margin:6px 0 12px;border-radius:0}.lesson-example .de{font-size:18px}.lesson-example .speak{vertical-align:middle;margin-left:4px}.table-wrap{overflow-x:auto;margin:6px 0 12px}.lesson-table{border-collapse:collapse;width:100%;font-size:14.5px}.lesson-table th,.lesson-table td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--border)}.lesson-table th{color:var(--text-2);font-weight:500;font-size:13px}.term-wrap{position:relative;display:inline}button.term{border:0;background:none;padding:0;font:inherit;color:var(--accent);text-decoration:underline dotted;text-underline-offset:3px}.term-pop{position:absolute;left:0;top:calc(100% + 6px);z-index:30;width:min(320px,80vw);background:var(--bg);border-radius:10px;box-shadow:var(--shadow-pop);padding:10px 12px;display:grid;gap:4px;font-size:14px;line-height:1.45;font-weight:400;color:var(--text)}.term-head{display:flex;align-items:center;gap:6px}.term-head .icon-btn{margin-left:auto;width:24px;height:24px}.term-ex,.term-de{color:var(--text-2);font-size:13px}.checks{display:grid;gap:14px}.check{border:1px solid var(--border);border-radius:10px;padding:12px 14px;display:grid;gap:8px}.check-q{font-weight:500}.pill.check-opt:disabled{cursor:default;opacity:1}.pill.check-opt.right,.game-opt.right{border-color:var(--good);color:var(--good);background:var(--das-bg)}.pill.check-opt.wrong,.game-opt.wrong{border-color:var(--die);color:var(--die);background:var(--die-bg)}.sound-examples{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}.sound-ex{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:8px;align-items:center;text-align:left;border:1px solid var(--border);background:var(--bg);border-radius:8px;padding:10px 12px}.sound-ex:hover{background:var(--bg-hover)}.sound-ex svg{grid-row:1 / 3;width:18px;height:18px;color:var(--text-2)}.sound-ex .de{font-weight:600;font-size:16px}.game{border:1px solid var(--border);border-radius:12px;padding:16px;display:grid;gap:12px}.game-score{font-size:34px;font-weight:700}.game-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.game-opt{border:1px solid var(--border);background:var(--bg);border-radius:10px;padding:16px 12px;display:grid;gap:2px;justify-items:center;font-size:15px}.game-opt:hover:not(:disabled){background:var(--bg-hover)}.game-opt:disabled{cursor:default}.game-opt .de{font-size:22px;font-weight:600}.game-opt svg{width:18px;height:18px}.game-after{display:grid;gap:8px}.game-after .line{display:flex;gap:8px;flex-wrap:wrap}.lib-filter{margin:28px 0 0}.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:10px}.lib-card{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--border);border-radius:10px;padding:12px;min-width:0}.lib-thumb{width:112px;aspect-ratio:16 / 9;border-radius:6px;overflow:hidden;flex:none;background:var(--bg-callout);display:grid;place-items:center;color:var(--text-2)}.lib-thumb.no-img{width:44px;aspect-ratio:1;border-radius:8px}.lib-thumb img{width:100%;height:100%;object-fit:cover;display:block}.lib-thumb svg{width:22px;height:22px}.lib-main{flex:1;min-width:0;display:grid;gap:2px}@media(max-width:560px){.lib-grid{grid-template-columns:1fr}.lib-card.has-img{flex-direction:column}.lib-card.has-img .lib-thumb{width:100%;max-height:170px}}textarea.field{resize:vertical;font-size:16px;line-height:1.5}.pill.known-word{color:var(--text-2)}.pill.known-word[aria-pressed=true]{color:var(--accent)}.tag-word{display:grid;justify-items:center;gap:4px;padding:8px 0;text-align:center}.tag-word .flash-pic{font-size:40px;line-height:1}.tag-word .de{font-size:26px;font-weight:600}.g-blank{color:var(--text-2);background:var(--bg-active);letter-spacing:1px}.tag-options{grid-template-columns:repeat(3,1fr)}.g-text-der{color:var(--der)}.g-text-die{color:var(--die)}.g-text-das{color:var(--das)}.tag-hint{display:flex;gap:6px;align-items:flex-start;color:var(--text-2)}.tag-hint svg{flex:none;margin-top:2px}.spot-sentence{font-size:20px;line-height:1.9}.spot-sentence .w{font:inherit;border:none;background:none;padding:1px 2px;border-radius:4px;color:inherit;cursor:pointer}.spot-sentence .w:hover:not(:disabled){background:var(--bg-hover)}.spot-sentence .w:disabled{cursor:default}.spot-sentence .spot-hit{background:var(--accent-bg);box-shadow:inset 0 -2px 0 var(--accent)}.spot-sentence .picked-wrong{background:var(--die-bg);box-shadow:inset 0 -2px 0 var(--die)}.spot-sentence .picked-right{background:var(--das-bg);box-shadow:inset 0 -2px 0 var(--das)}:root{--c-gray: #6b6a66;--c-gray-bg: #f1f1ef;--c-brown: #8a5a44;--c-brown-bg: #f4eeee;--c-orange: #a8560a;--c-orange-bg: #fbecdd;--c-yellow: #8a6311;--c-yellow-bg: #fbf3db;--c-green: #3b7354;--c-green-bg: #edf3ec;--c-blue: #2a6a91;--c-blue-bg: #e7f3f8;--c-purple: #7b529b;--c-purple-bg: #f6f3f9;--c-pink: #a83c76;--c-pink-bg: #faf1f5;--c-red: #b8403b;--c-red-bg: #fdebec;--cover-gray: linear-gradient(120deg, #ecebe8 0%, #f5f4f1 55%, #e9e7e2 100%);--cover-brown: linear-gradient(120deg, #efe2db 0%, #f7efe9 55%, #eadbd2 100%);--cover-orange: linear-gradient(120deg, #fbdcb9 0%, #fdeccc 50%, #fbe3d0 100%);--cover-yellow: linear-gradient(120deg, #f9e8b0 0%, #fcf3d4 55%, #f6e2b6 100%);--cover-green: linear-gradient(120deg, #d3ead9 0%, #e8f4e6 55%, #d6ebe4 100%);--cover-blue: linear-gradient(120deg, #cfe5f3 0%, #e4f0f9 50%, #dcdff5 100%);--cover-purple: linear-gradient(120deg, #e4daf2 0%, #f1ebf8 55%, #efdcee 100%);--cover-pink: linear-gradient(120deg, #f5d8e6 0%, #fbeaf2 55%, #f6dbe0 100%);--cover-red: linear-gradient(120deg, #f8d6d6 0%, #fdeaea 55%, #f6dcd2 100%)}:root[data-theme=dark]{--c-gray: #a3a3a3;--c-gray-bg: #2f2f2f;--c-brown: #c69a86;--c-brown-bg: #3f2c25;--c-orange: #de9a64;--c-orange-bg: #4a3220;--c-yellow: #d8b065;--c-yellow-bg: #463821;--c-green: #6fbf8f;--c-green-bg: #22362b;--c-blue: #78a6e0;--c-blue-bg: #1d3447;--c-purple: #b791e0;--c-purple-bg: #352a41;--c-pink: #e088b7;--c-pink-bg: #42283a;--c-red: #ee8580;--c-red-bg: #472826;--cover-gray: linear-gradient(120deg, #3a3a38 0%, #454542 55%, #3a3936 100%);--cover-brown: linear-gradient(120deg, #4e3a30 0%, #5c463a 55%, #4d3a32 100%);--cover-orange: linear-gradient(120deg, #6b4222 0%, #7a5228 50%, #6a4530 100%);--cover-yellow: linear-gradient(120deg, #5f4c22 0%, #6e5a2c 55%, #5e4a26 100%);--cover-green: linear-gradient(120deg, #24493a 0%, #2f5845 55%, #244a48 100%);--cover-blue: linear-gradient(120deg, #1e4462 0%, #275274 50%, #2d3a66 100%);--cover-purple: linear-gradient(120deg, #423358 0%, #514068 55%, #523856 100%);--cover-pink: linear-gradient(120deg, #57304a 0%, #663a58 55%, #5c3540 100%);--cover-red: linear-gradient(120deg, #5e302e 0%, #6e3a37 55%, #613534 100%)}.c-gray{--c: var(--c-gray);--cbg: var(--c-gray-bg);--cover: var(--cover-gray)}.c-brown{--c: var(--c-brown);--cbg: var(--c-brown-bg);--cover: var(--cover-brown)}.c-orange{--c: var(--c-orange);--cbg: var(--c-orange-bg);--cover: var(--cover-orange)}.c-yellow{--c: var(--c-yellow);--cbg: var(--c-yellow-bg);--cover: var(--cover-yellow)}.c-green{--c: var(--c-green);--cbg: var(--c-green-bg);--cover: var(--cover-green)}.c-blue{--c: var(--c-blue);--cbg: var(--c-blue-bg);--cover: var(--cover-blue)}.c-purple{--c: var(--c-purple);--cbg: var(--c-purple-bg);--cover: var(--cover-purple)}.c-pink{--c: var(--c-pink);--cbg: var(--c-pink-bg);--cover: var(--cover-pink)}.c-red{--c: var(--c-red);--cbg: var(--c-red-bg);--cover: var(--cover-red)}.tag[class*=c-]{color:var(--c);background:var(--cbg)}.main{container-type:inline-size}.topbar{position:sticky;top:0;z-index:5;height:45px;display:flex;align-items:center;gap:2px;padding:0 12px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);font-size:14px;overflow:hidden;white-space:nowrap}.crumb{border:0;background:none;color:var(--text-2);padding:3px 6px;border-radius:4px;display:inline-flex;align-items:center;gap:6px;min-width:0;max-width:260px;font:inherit}.crumb span:last-child{overflow:hidden;text-overflow:ellipsis}.crumb:hover{background:var(--bg-hover);color:var(--text)}.crumb:last-of-type{color:var(--text)}.crumb-sep{color:var(--text-3);padding:0 1px}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--text-2);font-size:13px}.page{padding-top:0}.page-cover{width:100cqw;margin-left:calc(50% - 50cqw);height:150px;background:var(--cover);margin-bottom:0}.page-emoji{font-size:68px;line-height:1;margin:-40px 0 14px;position:relative;width:max-content;filter:drop-shadow(0 2px 6px rgba(15,15,15,.12))}.page-emoji.no-cover{margin-top:36px}header .page-icon.has-emoji{display:none}@media(max-width:860px){.page{padding-top:0}.page-cover{height:110px}.page-emoji{font-size:54px;margin-top:-32px}.page-emoji.no-cover{margin-top:20px}h1.page-title{font-size:32px}.topbar{height:42px}}.brand{padding:6px 10px 12px;border-radius:var(--radius)}.sidebar-label{font-size:12px;font-weight:600;color:var(--text-2);padding:10px 10px 4px}.nav-item .nav-emoji{width:20px;text-align:center;font-size:15px;line-height:1;flex:none}.nav-item[aria-current=page]{font-weight:600}.sidebar-phase{margin:10px 4px 0;padding:10px;border-radius:8px;background:var(--cbg);color:var(--c);font-size:13px;display:grid;gap:2px}.sidebar-phase strong{font-weight:600}.callout[class*=c-]{background:var(--cbg)}.callout[class*=c-]>svg{color:var(--c)}.callout-emoji{font-size:19px;line-height:1.3;flex:none}.option-ico{flex:none;width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--cbg);color:var(--c)}.option .option-ico svg{width:18px;height:18px;margin:0;color:var(--c)}.option[aria-pressed=true] .option-ico svg{color:var(--c)}.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--c);flex:none}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin:6px 0 4px}.gcard{border:0;padding:0;text-align:left;background:var(--bg);border-radius:8px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;color:inherit;font:inherit;transition:background .12s,box-shadow .12s}.gcard:hover{background:var(--bg-hover);box-shadow:var(--shadow-pop)}.gcard-cover{height:84px;background:var(--cover);display:grid;place-items:center;font-size:38px}.gcard-body{padding:10px 12px 12px;display:grid;gap:4px}.gcard-title{font-weight:600;font-size:14.5px;line-height:1.3}.gcard-sub{font-size:12.5px;color:var(--text-2);line-height:1.35}.gcard-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}@media(max-width:480px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.gcard-cover{height:68px;font-size:32px}}.row-ico{flex:none;width:28px;height:28px;border-radius:6px;display:grid;place-items:center;background:var(--cbg);color:var(--c);font-size:15px}.row-ico svg{width:16px;height:16px}.lesson-num[class*=c-],.session-thumb.no-img[class*=c-]{background:var(--cbg);color:var(--c)}.stat .stat-emoji{font-size:20px;line-height:1;margin-bottom:8px}h2.section .h-emoji{margin-right:8px;font-size:.95em}.btn.back{display:none}.page-emoji.sound-emoji{font-size:44px;font-weight:700;width:76px;height:76px;display:grid;place-items:center;border-radius:14px;background:var(--bg);box-shadow:var(--shadow-pop);filter:none}.story-bar{top:45px}@media(max-width:860px){.story-bar{top:42px}}