:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#edf2f7;background:#0d1621;--bg:#0d1621;--panel:#172432;--ink:#edf2f7;--muted:#a8b7c3;--accent:#f1a23a;--line:#ffffff1b}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 76% -15%,#244052 0,transparent 38rem),var(--bg);line-height:1.5}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:default}a{color:inherit;text-decoration:none}
.topbar{min-height:72px;display:flex;align-items:center;gap:24px;padding:11px max(24px,calc((100vw - 1320px)/2));border-bottom:1px solid var(--line);background:#101b28ef;position:sticky;top:0;z-index:5;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:18px;font-weight:750;letter-spacing:-.02em}.brand b{color:var(--accent)}.brand small{display:block;color:#95a8b7;font-size:10px;font-weight:650;letter-spacing:.06em}.brand-mark{width:37px;height:37px;border-radius:10px}.topbar nav{display:flex;gap:18px;align-items:center;margin-left:26px}.topbar nav button{border:0;background:transparent;color:#a9b9c5;padding:10px 1px;font-weight:650;font-size:13px;position:relative}.topbar nav button.active{color:#fff}.topbar nav button.active:after{content:"";position:absolute;bottom:3px;left:0;right:0;height:2px;border-radius:2px;background:var(--accent)}.top-actions{margin-left:auto;display:flex;align-items:center;gap:12px}.cloud-status{font-size:12px;color:#99acba}.sync-button,.primary{border:0;border-radius:10px;background:var(--accent);color:#18212b;font-weight:750;padding:10px 16px;white-space:nowrap}.sync-button{border:1px solid #f1a23a66;background:#f1a23a1e;color:#ffd18e;font-size:12px}.sync-button.synced{background:#3f775c33;border-color:#75cb9c;color:#9ae2ba}.primary:hover,.sync-button:hover{filter:brightness(1.1)}
#app{width:min(1280px,calc(100% - 48px));margin:0 auto;padding:34px 0 80px}.hero{display:flex;align-items:end;justify-content:space-between;gap:28px;margin:8px 0 28px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.17em;color:#ffc37a}.hero h1{font-size:clamp(34px,4vw,50px);line-height:1.04;letter-spacing:-.055em;margin:8px 0 10px}.hero p{color:var(--muted);margin:0;max-width:620px}.hero-actions{display:flex;gap:9px;flex:none}.secondary,.ghost{border:1px solid #ffffff2a;background:#223443;color:#e5eef4;padding:10px 15px;border-radius:10px;font-weight:650}.ghost{background:transparent}.secondary:hover,.ghost:hover{border-color:#ffc37a99}.muted{color:var(--muted)}
.learn-layout{display:grid;grid-template-columns:265px minmax(0,1fr);gap:28px}.lesson-nav{align-self:start;position:sticky;top:100px;display:grid;gap:3px}.nav-intro{display:flex;justify-content:space-between;padding:7px 11px 15px;color:#829aab;font-size:10px;font-weight:800;letter-spacing:.12em}.nav-intro b{color:#d1dde5;letter-spacing:0}.lesson-nav button{display:flex;align-items:center;gap:12px;text-align:left;border:0;border-radius:10px;color:#b4c4d0;background:transparent;padding:11px 12px;min-height:44px}.lesson-nav button span{font-size:10px;color:#718a9d;font-weight:800}.lesson-nav button b{font-size:13px;font-weight:640}.lesson-nav button:hover{background:#1b2e3c}.lesson-nav button.active{background:#263846;color:#fff}.lesson-nav button.active span{color:var(--accent)}.lesson-article{min-width:0;padding:30px 34px 35px;background:#172432;border:1px solid #ffffff17;border-radius:18px}.lesson-head{border-bottom:1px solid var(--line);padding-bottom:23px}.lesson-head h2{font-size:clamp(29px,3vw,38px);letter-spacing:-.045em;line-height:1.1;margin:9px 0 13px}.lesson-head p{font-size:16px;color:#c3d1d9;line-height:1.65;max-width:760px;margin:0}.lesson-section{margin-top:27px}.lesson-section h3{display:flex;align-items:center;gap:9px;margin:0 0 14px;font-size:15px;letter-spacing:-.015em}.section-dot{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%}.step-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.step{display:flex;gap:13px;padding:15px;border-radius:11px;background:#203140}.step span{color:var(--accent);font-size:11px;font-weight:800;padding-top:2px}.step p{margin:0;color:#d6e1e8;font-size:13px;line-height:1.55}.definition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.definition{padding:15px 16px;background:#203140;border-radius:11px;min-height:94px}.definition b{display:block;color:#ffd08f;font-size:13px;margin-bottom:5px}.definition span{font-size:13px;color:#c5d5df;line-height:1.5}.example{background:#f2f3ef;color:#213144;padding:22px 24px;border-radius:13px;margin:0}.example-label{font-size:10px;font-weight:800;letter-spacing:.16em;color:#52728b}.example-sentence{font-size:19px;font-weight:740;line-height:1.45;margin:12px 0 8px}.example-analysis{font-size:13px;color:#496078;border-top:1px solid #dce3e3;padding-top:11px;margin:0;line-height:1.55}.lesson-footer{display:flex;align-items:center;gap:16px;margin-top:25px}.lesson-footer span{font-size:12px;color:#94a9b7}
.editor-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:18px}.workspace,.tool-panel{min-width:0;background:#172432;border:1px solid #ffffff17;border-radius:17px;padding:23px}.tool-panel{align-self:start;position:sticky;top:96px}.tool-panel h2{font-size:23px;letter-spacing:-.035em;margin:6px 0}.tool-intro{font-size:13px;color:var(--muted);margin:0 0 21px}.sentence-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.sentence-top label,.canvas-heading span:first-child{font-size:10px;letter-spacing:.15em;font-weight:800;color:#a9c0cd}.sentence-field{display:block;width:100%;min-height:54px;resize:vertical;background:#20313f;border:1px solid #ffffff2b;border-radius:10px;color:#f0f5f8;font-size:18px;font-weight:650;padding:12px 15px;outline:none}.sentence-field:focus,.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #f1a23a22}.sentence-field::placeholder{color:#8194a2}.badge{border-radius:99px;background:#294252;color:#b7d8e8;padding:5px 10px;font-size:11px}.editor-actions{display:flex;gap:13px;flex-wrap:wrap;margin:13px 0 24px}.editor-actions button{background:none;border:0;color:#b3c9d7;font-size:12px;padding:0}.editor-actions button:hover{color:#ffd08f}.canvas-heading{display:flex;align-items:start;justify-content:space-between;gap:10px;margin-bottom:12px}.canvas-heading p{margin:4px 0 0;color:#839eae;font-size:12px}.canvas-heading .levels-label{font-size:11px;color:#87a1b1;white-space:nowrap}.canvas-wrap{max-width:100%;overflow:auto;border-radius:11px}.canvas{width:max-content;min-width:100%;padding:25px 40px 20px;background:#f6f7f3;color:#20344c;border-radius:11px;box-shadow:inset 0 0 0 1px #dce2df}.sentence-grid,.analysis-row{display:grid;grid-template-columns:var(--columns);width:max-content;position:relative}.sentence-grid{height:42px;border-bottom:1px solid #d3dfdd}.token{border:0;background:transparent;color:#1d354b;font-size:17px;font-weight:750;padding:4px 3px;white-space:nowrap;touch-action:none;border-radius:4px}.token:hover{background:#e8ece4}.token.selected{background:#dceccf;color:#153443}.analysis-row{height:38px}.row-num{position:absolute;left:-21px;top:4px;color:#b1c4cb;font-size:10px;pointer-events:none}.block{grid-row:1;position:relative;z-index:1;min-width:0;height:14px;margin:3px 1px 0;background:transparent;border:0;border-bottom:2px solid var(--block-color);border-left:1px solid var(--block-color);border-right:1px solid var(--block-color);border-radius:0 0 3px 3px;cursor:grab;touch-action:none}.block.active{background:#e0ebf099}.block .title{position:absolute;top:17px;left:50%;transform:translateX(-50%);color:#2c6094;font-size:11px;font-weight:780;white-space:nowrap;background:#f6f7f3;padding:0 3px;line-height:15px;pointer-events:none}.handle{position:absolute;top:0;bottom:-1px;width:10px;opacity:0;cursor:ew-resize}.handle.left{left:-4px}.handle.right{right:-4px}.block:hover .handle,.block.active .handle{opacity:1}.handle:after{content:"";display:block;width:4px;height:10px;margin:3px auto;background:#4f80a8;border-radius:2px}.details{margin-top:16px;background:#223443;padding:15px;border-radius:10px}.details h3{margin:0 0 6px;font-size:15px}.details p{font-size:12px;margin:0 0 10px}.details-actions{display:flex;gap:8px}.details-actions button{font-size:11px;padding:7px 9px}.status-line{display:flex;gap:6px;margin-top:13px;font-size:11px;color:#829bab}.status-separator{opacity:.5}
.field{display:grid;gap:6px;margin-bottom:14px}.field label{font-size:11px;font-weight:750;color:#adbfca}.field input,.field select{width:100%;border:1px solid #ffffff30;background:#233544;color:#edf3f6;border-radius:9px;padding:10px 11px;outline:none;font-size:12px}.field input::placeholder{color:#8598a5}.add-button{width:100%;text-align:center;margin-top:3px}.selection-hint{font-size:11px;color:#a8bbca;margin:10px 0 17px}.tool-help{border-top:1px solid var(--line);padding-top:16px}.tool-help b{font-size:12px}.tool-help p{font-size:11px;color:#90a7b8;line-height:1.6;margin:6px 0 0}
.account-summary{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:19px}.metric{min-width:130px;background:#1e3040;padding:13px 17px;border-radius:10px;color:#9db1c0;font-size:12px}.metric b{display:block;font-size:25px;color:#fff;letter-spacing:-.04em}.toolbar{display:flex;gap:8px;margin-bottom:16px}.toolbar button{border:0;border-radius:8px;padding:7px 12px;background:#243949;color:#d1dee7;font-size:12px}.exercise-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}.exercise-card{background:#172432;border:1px solid #ffffff1a;border-radius:13px;padding:17px}.exercise-card h3{font-size:16px;line-height:1.45;min-height:45px}.exercise-card p{font-size:12px}.exercise-card .actions{display:flex;gap:7px;flex-wrap:wrap}.exercise-card button{font-size:11px;padding:7px 10px}.empty{padding:30px;color:#7490a1;font-size:13px}.canvas .empty{color:#526e80}#toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%,130px);background:#f2f4f1;color:#17293a;padding:10px 15px;border-radius:10px;font-size:12px;font-weight:700;z-index:20;box-shadow:0 10px 30px #0008;transition:transform .2s}#toast.show{transform:translate(-50%,0)}
@media(max-width:1020px){.editor-layout{grid-template-columns:1fr}.tool-panel{position:static}.learn-layout{grid-template-columns:215px 1fr}.topbar{gap:15px}.topbar nav{margin-left:0}}
.lesson-diagram{overflow:auto;margin-top:17px;padding:15px 4px 0;border-top:1px solid #dce3e3}.lesson-diagram .sentence-grid{border-bottom-color:#cad8df}.demo-token{display:grid;place-items:center;height:42px;padding:0 3px;color:#1f4059;font-size:15px;font-weight:730;white-space:nowrap}.lesson-diagram .analysis-row{height:37px}.demo-block{pointer-events:none}.demo-block .title{background:#f2f3ef}.lesson-diagram .block{margin-top:2px}
@media(max-width:720px){#app{width:min(100% - 28px,1280px);padding-top:22px}.topbar{flex-wrap:wrap;padding:10px 16px;gap:8px}.topbar nav{order:3;width:100%;justify-content:space-around;margin:0}.top-actions{margin-left:auto}.cloud-status{display:none}.hero{display:block}.hero-actions{margin-top:17px}.learn-layout{grid-template-columns:1fr}.lesson-nav{position:static;display:flex;overflow-x:auto;gap:5px}.lesson-nav button{flex:none;max-width:190px}.nav-intro{display:none}.lesson-article{padding:22px}.step-list,.definition-grid{grid-template-columns:1fr}.lesson-footer{display:block}.lesson-footer span{display:block;margin-top:9px}.canvas-heading .levels-label{display:none}.workspace,.tool-panel{padding:17px}}
/* Dark analysis surface and drag-first syntax palette */
.example{background:#203342;color:#e9f2f7}.example-label{color:#e5b77a}.example-sentence{color:#f3f6f7}.example-analysis{color:#b8cddd;border-top-color:#ffffff24}.lesson-diagram{border-top-color:#ffffff24}.lesson-diagram .sentence-grid{border-bottom-color:#ffffff24}.demo-token{color:#e7f1f6}.demo-block .title{background:#203342}
.editor-layout{display:block}.workspace{padding:24px}.canvas-wrap{border:1px solid #ffffff16;border-radius:12px;background:#102131}.canvas{background:#102131;color:#eaf1f6;box-shadow:none;padding:18px 44px 14px}.canvas .empty{color:#9bb4c3}.sentence-grid{border-bottom:1px solid #ffffff23}.token{color:#eef4f7}.token:hover{background:#263d4e}.token.selected{background:#365b67;color:#f6fbff}.row-num{color:#5f8193}.analysis-row{height:36px;border-bottom:1px solid #ffffff08}.analysis-row:hover,.analysis-row.drop-hover{background:#ffffff0c}.block{height:34px;margin:0 1px;border:0;background:transparent;z-index:1}.block:before{content:"";position:absolute;top:2px;left:0;right:0;height:12px;border-left:1px solid var(--block-color);border-right:1px solid var(--block-color);border-bottom:2px solid var(--block-color);border-radius:0 0 3px 3px}.block.active,.block.drop-hover{background:color-mix(in srgb,var(--block-color) 16%,transparent);border-radius:5px}.block.drop-hover{outline:1px solid var(--block-color)}.block .title{top:16px;color:var(--block-color);background:#102131;max-width:calc(100% + 45px);overflow:hidden;text-overflow:ellipsis}.handle{top:2px;bottom:auto;height:17px;width:13px}.handle:after{background:var(--block-color)}.details{background:#203443}.details-heading{display:flex;align-items:center;gap:9px}.details-heading h3{margin:0}.detail-dot{display:block;width:9px;height:9px;border-radius:50%}.details-heading .badge{margin-left:auto}
.palette-shell{position:sticky;bottom:10px;z-index:4;margin-top:20px;padding:15px 16px 11px;background:#1b2c3a;border:1px solid #ffffff30;border-radius:14px;box-shadow:0 16px 42px #0008}.palette-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.palette-top h2{font-size:16px;letter-spacing:-.03em;margin:2px 0 5px}.palette-controls{display:flex;align-items:center;gap:6px}.palette-controls button{border:1px solid #ffffff28;background:#2a4050;color:#eaf3f7;border-radius:8px;min-width:29px;height:29px;font-size:17px}.palette-controls button[data-action="custom-label"]{font-size:11px;padding:0 9px}.palette-controls input{width:135px;height:29px;background:#102131;border:1px solid #ffffff29;color:#ecf2f6;border-radius:8px;padding:5px 9px;font-size:11px;outline:none}.palette-controls input:focus{border-color:var(--accent)}.palette-scroll{display:flex;gap:16px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;scrollbar-color:#527083 transparent;padding:4px 0 8px;min-height:76px}.palette-group{flex:none}.palette-group-title{display:block;color:#90a9b8;font-size:9px;font-weight:800;letter-spacing:.11em;margin:0 0 5px}.palette-items{display:flex;gap:6px}.palette-chip{display:flex;align-items:center;gap:6px;max-width:175px;min-height:35px;padding:6px 10px;border:1px solid color-mix(in srgb,var(--chip-color) 55%,transparent);border-radius:8px;background:color-mix(in srgb,var(--chip-color) 16%,#102131);color:var(--chip-color);cursor:grab;touch-action:none;white-space:nowrap}.palette-chip b{font-size:12px}.palette-chip small{overflow:hidden;text-overflow:ellipsis;color:#cad9e2;font-size:10px}.palette-chip:hover{background:color-mix(in srgb,var(--chip-color) 27%,#102131)}.palette-chip:active{cursor:grabbing}.palette-hint{font-size:10px;color:#92abba;margin:2px 0 0}.palette-empty{color:#9bb3c2;font-size:12px}.palette-drag-ghost{display:none;position:fixed;z-index:9999;pointer-events:none;max-width:230px;padding:8px 13px;border:1px solid var(--chip-color);border-radius:9px;background:#1d3443;color:var(--chip-color);box-shadow:0 12px 30px #0009;font-size:12px;font-weight:800;white-space:nowrap}.palette-drag-ghost.visible{display:block}
.palette-shell{position:static}.palette-shell.is-sticky{position:sticky;bottom:10px}.editor-hero{margin-bottom:16px}.editor-hero h1{font-size:clamp(30px,3vw,40px)}.sentence-field{height:58px;min-height:58px}.workspace{padding-bottom:30px}
#toast{background:#203442;color:#eff5f8;border:1px solid #ffffff35}.lesson-diagram .block{height:34px}.lesson-diagram .block .title{background:#203342}.lesson-diagram .analysis-row{border-bottom:0}
@media(max-width:720px){.workspace{padding:16px}.palette-shell{bottom:0;margin:17px -8px 0;padding:12px}.palette-top{align-items:start;flex-direction:column;gap:6px}.palette-controls{width:100%}.palette-controls input{flex:1;width:0}.palette-scroll{min-height:72px}.palette-hint{display:none}.canvas{padding:17px 35px}.editor-hero h1{font-size:32px}}

.lesson-diagram .demo-block .title{color:#a6cff4}
.lesson-diagram .demo-block{--block-color:#7dbaff!important}
@media(max-width:720px){.palette-shell.is-sticky{position:static}}
/* Focused graphite editor: the sentence and its analysis share one full-width grid. */
:root{--bg:#151617;--panel:#1d1f21;--muted:#a8aaaf;--accent:#d8b789;--line:#ffffff12;background:var(--bg)}
body{background:#151617}.topbar{background:#191a1bec;border-color:#ffffff0d}.topbar nav button{color:#a8aaaf}.brand small,.cloud-status{color:#94979d}
#app{width:calc(100% - 64px);max-width:1680px;padding-top:20px}.editor-hero{align-items:center;margin:0 0 20px}.editor-hero h1{font-size:23px;letter-spacing:-.03em;margin:4px 0 0}.editor-hero p{display:none}.editor-hero .eyebrow{font-size:9px;color:#a0a2a7}.editor-hero .hero-actions button{padding:8px 13px;font-size:12px}
.workspace{position:relative;background:#1b1d1f;border-color:#ffffff0b;padding:20px 24px 14px;border-radius:18px;margin-bottom:140px}.sentence-top{margin:0;min-height:33px}.sentence-top label{color:#85898f;font-size:9px}.sentence-top .badge{display:none}.sentence-tools{position:absolute;right:24px;top:17px;display:flex;gap:6px}.sentence-tools button{padding:6px 10px;font-size:11px;color:#b5b8be;border:0;background:#ffffff05}.sentence-tools button:hover{background:#ffffff0d;color:#eee}.sentence-field{margin-top:10px;background:#25272a;border-color:#ffffff13;color:#eee;font-size:20px;resize:none}.sentence-field[hidden]{display:none}.editor-actions{margin:6px 0 12px;gap:18px}.editor-actions button{font-size:11px;color:#92969c}.canvas-heading{display:none}
.canvas-wrap{background:transparent;border:0;border-radius:0;overflow:auto}.canvas{width:100%;min-width:100%;padding:0 24px 12px;border-radius:0;background:transparent}.canvas .sentence-grid{height:96px;border:0;align-items:center;width:max-content;min-width:100%}.canvas .token{font-size:var(--sentence-size,32px);line-height:1.25;letter-spacing:-.025em;color:#eeeef0;padding:8px 0;font-weight:700}.canvas .token:hover{background:#ffffff08}.canvas .token.selected{background:#d8b78920;color:#f4ddbc}
.canvas .analysis-row{height:36px;border:0;min-width:100%;border-radius:5px}.canvas .analysis-row:after{content:"";position:absolute;inset:5px 0;border:1px dashed #ffffff17;border-radius:5px;pointer-events:none}.canvas.no-guides .analysis-row:after{display:none}.canvas .analysis-row:hover,.canvas .analysis-row.drop-hover{background:#ffffff04}.canvas .analysis-row.drop-hover:after{border-color:#d8b78980}.row-num{top:11px;left:-20px;color:#62666c;font-size:9px}.no-guides .row-num{opacity:0}.canvas .block{height:34px;margin:0 2px}.canvas .block:before{top:24px;height:0;border:0;border-bottom:2px solid var(--block-color);border-radius:2px}.canvas .block .title{top:4px;background:transparent;color:#dce0e5;font-size:12px;line-height:18px;font-weight:700;max-width:100%;padding:0 5px}.canvas .block.active,.canvas .block.drop-hover{background:color-mix(in srgb,var(--block-color) 9%,transparent)}.canvas .handle{top:4px;height:26px;bottom:auto;width:14px}.canvas .handle:after{height:18px;width:3px;margin:4px auto}.details{background:#232527;padding:12px 16px}.details p{margin:5px 0 10px}.details-heading .badge,.badge{background:#ffffff08;color:#aeb2b8}.status-line{color:#747980;margin-top:6px}
.palette-shell,.palette-shell.is-sticky{position:fixed;bottom:16px;left:32px;right:32px;max-width:1680px;margin:0 auto;padding:11px 16px 6px;background:#252729ed;border-color:#ffffff14;border-radius:15px;box-shadow:0 12px 40px #0004;backdrop-filter:blur(20px);z-index:4}.palette-top h2{font-size:12px;color:#cccfd3;margin:0}.palette-top .eyebrow,.palette-hint{display:none}.palette-controls input{background:#1b1d1f;border:0;color:#d9dbe0}.palette-controls button{background:#ffffff06;border:0;color:#c6c9ce}.palette-scroll{min-height:55px;padding:2px 0 5px;gap:20px;scrollbar-color:#575b60 transparent}.palette-group-title{font-size:8px;color:#83878d;margin:0 0 2px;letter-spacing:.04em}.palette-items{gap:6px}.palette-chip{position:relative;min-height:30px;max-width:150px;border:0;border-radius:5px;background:transparent;padding:4px 10px 7px;color:#e1e3e6}.palette-chip:after{content:"";position:absolute;bottom:2px;left:8px;right:8px;height:2px;background:var(--chip-color);border-radius:2px}.palette-chip:hover{background:#ffffff08}.palette-chip b{font-size:13px}.palette-chip small{display:none}.palette-drag-ghost{background:#292b2e;border-color:#ffffff20;color:#e4e6ea}.secondary,.ghost{background:#ffffff06;border-color:#ffffff15;color:#d5d7db}.primary{background:#d8b789;color:#25221d}.eyebrow,.definition b,.example-label{color:#d8b789}.lesson-article,.exercise-card{background:#1d1f21;border-color:#ffffff0d}.step,.definition,.example,.metric{background:#26282b}.example-sentence,.demo-token{color:#eceef1}.example-analysis,.definition span,.step p,.lesson-head p{color:#b9bec5}.lesson-diagram .block .title{background:#26282b}.lesson-nav button.active{background:#292c2f}.lesson-nav button:hover{background:#222426}
@media(max-width:720px){#app{width:calc(100% - 24px);padding-top:15px}.workspace{padding:15px 10px;margin-bottom:155px}.sentence-tools{right:12px;top:11px}.sentence-tools button{padding:6px;font-size:10px}.sentence-top label{font-size:8px}.canvas{padding:0 20px 10px}.canvas .sentence-grid{height:78px}.editor-hero{display:flex;gap:10px}.editor-hero h1{font-size:19px}.editor-hero .hero-actions{margin:0;gap:6px}.editor-hero .hero-actions button{font-size:10px;padding:7px}.palette-shell,.palette-shell.is-sticky{position:fixed;left:10px;right:10px;bottom:10px;padding:10px 12px 5px}.palette-top{flex-direction:row;align-items:center;gap:6px}.palette-top h2{display:none}.palette-controls{width:100%}.palette-scroll{min-height:60px}.lesson-article{padding:20px}}
.syntax-menu{position:fixed;z-index:1000;width:225px;padding:7px;background:#292b2df5;border:1px solid #ffffff12;border-radius:12px;box-shadow:0 16px 50px #0006;backdrop-filter:blur(18px);font-size:12px;max-height:calc(100vh - 16px);overflow:auto}.syntax-menu>button{display:block;width:100%;text-align:left;padding:8px 10px;border:0;background:transparent;color:#d6d8dc;border-radius:6px;font-size:12px}.syntax-menu>button:hover{background:#ffffff08}.menu-caption{color:#959aa2;font-size:10px;padding:6px 10px}.menu-divider{height:1px;background:#ffffff0b;margin:5px 7px}.syntax-menu .menu-danger{color:#e9a6a3}.menu-colors{padding:5px 9px;display:flex;flex-wrap:wrap;gap:9px}.menu-colors[hidden]{display:none}.menu-colors>button{width:19px;height:19px;border-radius:50%;border:1px solid #ffffff25;background:var(--swatch);padding:0}.custom-color{display:flex;width:100%;align-items:center;justify-content:space-between;color:#aaafb6;font-size:10px}.custom-color input{width:26px;height:24px;padding:0;border:0;background:none;cursor:pointer}.sync-button.synced{background:#d8b78916;border-color:#d8b78966;color:#d8b789}
/* Deck, quick actions and touch controls */
.editor-hero .hero-actions{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:7px}.editor-hero .hero-actions button{border-radius:9px;min-height:35px}.editor-hero .hero-actions [data-action="deck"]{border-color:#d8b78955;color:#dfc39c;background:#d8b7890c}.editor-hero .hero-actions [data-action="deck"]:hover{background:#d8b7891b}.editor-actions{align-items:center}.auto-save-note{margin-left:auto;font-size:11px;color:#878b91}.auto-save-note:before{content:"●";font-size:8px;margin-right:7px;color:#d8b789}.details-actions{flex-wrap:wrap}.palette-controls [data-action="deck"]{font-size:11px;white-space:nowrap;min-width:57px;padding:0 7px;color:#dfc39c;background:#d8b78910}.palette-controls [data-action="deck"]:hover{background:#d8b78920}.palette-group:first-child:has(.palette-group-title:first-child){}.palette-group-title{white-space:nowrap}.deck-dialog{width:min(820px,calc(100vw - 24px));max-height:min(88vh,780px);padding:0;background:#202225;color:#ebeef0;border:1px solid #ffffff20;border-radius:18px;box-shadow:0 24px 80px #0009;overflow:auto}.deck-dialog::backdrop{background:#08090bba;backdrop-filter:blur(4px)}.deck-head{display:flex;align-items:start;justify-content:space-between;gap:16px;padding:25px 28px 18px;border-bottom:1px solid #ffffff10}.deck-head h2{font-size:29px;letter-spacing:-.04em;margin:3px 0 5px}.deck-head p{font-size:13px;color:#aeb3ba;line-height:1.45;margin:0;max-width:620px}.deck-close{border:0;background:#ffffff0b;color:#e3e6e9;border-radius:9px;font-size:23px;line-height:1;width:32px;height:32px}.deck-config{display:flex;align-items:end;gap:20px;padding:18px 28px}.deck-name-label,.deck-footer label{display:grid;gap:6px;font-size:11px;color:#aeb3ba;font-weight:650}.deck-name-label{flex:1}.deck-name-label input,.deck-pick-head input,.deck-footer input{background:#17191b;border:1px solid #ffffff1b;border-radius:9px;color:#f1f2f3;padding:9px 11px;outline:none}.deck-name-label input:focus,.deck-pick-head input:focus,.deck-footer input:focus{border-color:#d8b789}.deck-toggle{display:flex;gap:9px;align-items:center;white-space:nowrap;background:#292b2e;border-radius:9px;padding:10px 13px;font-size:12px;cursor:pointer}.deck-toggle input,.deck-option input{accent-color:#d8b789}.deck-selected{margin:0 28px;padding:15px;background:#292b2e;border:1px solid #ffffff0e;border-radius:12px}.deck-section-title{display:flex;justify-content:space-between;gap:8px;font-size:12px}.deck-section-title span{color:#8f949b;font-size:10px}.deck-selected-list{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;min-height:28px}.deck-selected-chip{display:flex;align-items:center;gap:6px;background:#202225;border:1px solid #ffffff14;border-radius:7px;padding:3px 5px 3px 8px;font-size:11px}.deck-option-dot{display:inline-block;flex:none;width:7px;height:7px;border-radius:50%}.deck-selected-chip button{background:transparent;border:0;color:#aab0b6;font-size:14px;min-width:17px;padding:0}.deck-selected-chip button:hover{color:#f5e4c8}.deck-selected-chip button:disabled{opacity:.3}.deck-pick-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 28px 9px;font-size:12px}.deck-pick-head input{width:min(290px,60%);font-size:12px}.deck-options{padding:0 28px 18px;max-height:270px;overflow:auto;scrollbar-color:#5c5f64 transparent}.deck-group h3{font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:#9aa0a7;margin:15px 0 7px}.deck-option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.deck-option{display:flex;align-items:center;gap:9px;min-width:0;padding:8px 9px;border:1px solid transparent;border-radius:8px;background:#292b2e;color:#d3d6db;font-size:12px;cursor:pointer}.deck-option:hover{background:#303236}.deck-option.chosen{border-color:#d8b78955;background:#d8b7890d}.deck-option span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.deck-empty{font-size:12px;color:#92979e}.deck-footer{display:flex;align-items:end;gap:8px;padding:14px 28px 23px;border-top:1px solid #ffffff10}.deck-footer label{flex:1}.deck-footer button{min-height:37px;font-size:12px}.deck-dialog button:focus-visible,.palette-chip:focus-visible,.editor-hero button:focus-visible{outline:2px solid #d8b789;outline-offset:2px}
@media(max-width:720px){.editor-hero{align-items:flex-start;flex-direction:column}.editor-hero .hero-actions{width:100%;justify-content:flex-start;margin-top:8px}.editor-hero .hero-actions button{flex:1;min-width:92px}.editor-hero .hero-actions [data-action="complete"]{min-width:135px}.auto-save-note{width:100%;margin:5px 0 0}.palette-controls [data-action="deck"]{min-width:56px}.deck-head{padding:20px 17px 15px}.deck-config{padding:15px 17px;flex-wrap:wrap}.deck-selected{margin:0 17px}.deck-pick-head{padding:17px 17px 8px}.deck-options{padding:0 17px 15px}.deck-option-grid{grid-template-columns:1fr}.deck-footer{padding:12px 17px 20px;flex-wrap:wrap}.deck-footer label{flex-basis:100%}}

.deck-options{max-height:205px}.deck-footer{position:sticky;bottom:0;background:#202225;z-index:2}
.deck-save-status{min-height:1.4em;margin:0;padding:0 28px 16px;color:#d8b789;font-size:12px}
.deck-library{display:flex;align-items:end;gap:8px;padding:14px 28px 0}.deck-library label{display:grid;gap:5px;flex:1;min-width:0;color:#aeb3ba;font-size:11px;font-weight:650}.deck-library select{width:100%;min-height:37px;padding:8px 11px;background:#17191b;border:1px solid #ffffff1b;border-radius:9px;color:#f1f2f3;outline:none}.deck-library select:focus{border-color:#d8b789}.deck-library button{min-height:37px;font-size:12px;white-space:nowrap}.deck-selected-list{max-height:64px;overflow-y:auto;scrollbar-color:#5c5f64 transparent}.deck-options{max-height:175px;overflow-y:auto;overscroll-behavior:contain}@media(max-width:720px){.deck-library{padding:12px 17px 0;flex-wrap:wrap}.deck-library label{flex-basis:100%}.deck-library button{flex:1}.deck-options{max-height:230px}}
.deck-section-title button,.deck-pick-head button{border:0;background:transparent;color:#d8b789;font-size:11px;white-space:nowrap;padding:3px 5px}.deck-section-title button:disabled{opacity:.4}.deck-pick-head button:hover,.deck-section-title button:hover:not(:disabled){color:#f3d7ad;text-decoration:underline}.deck-pick-head input{flex:1;min-width:100px}@media(max-width:720px){.deck-pick-head{flex-wrap:wrap}.deck-pick-head b{flex-basis:100%}.deck-pick-head input{width:auto}.deck-section-title{align-items:center}.deck-section-title span{display:none}}