:root{--champagne: #F7E1C6;--cream: #FBEFDD;--card: #FFFDF9;--glass: rgba(255, 253, 249, .78);--ink: #0B192F;--navy: #083A4F;--ink-2: rgba(8, 58, 79, .72);--ink-3: rgba(8, 58, 79, .45);--hairline: rgba(8, 58, 79, .12);--gold: #D4853D;--gold-deep: #B96F2E;--gold-light: #E6B76C;--gold-tint: rgba(212, 133, 61, .14);--powder: #C0D5D6;--powder-tint: rgba(192, 213, 214, .35);--wine: #922030;--wine-tint: rgba(146, 32, 48, .1);--r-card: 20px;--r-input: 14px;--r-pill: 999px;--shadow-1: 0 1px 2px rgba(11, 25, 47, .05), 0 8px 24px rgba(11, 25, 47, .07);--shadow-2: 0 2px 8px rgba(11, 25, 47, .07), 0 20px 48px rgba(11, 25, 47, .12);--font-display: "Bricolage Grotesque", system-ui, sans-serif;--font-ui: "Inter", system-ui, sans-serif;--font-mono: "DM Mono", monospace;--ease-out: cubic-bezier(.22, 1, .36, 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640px){.voice-sheet-backdrop{align-items:center;padding:20px}.voice-sheet{max-height:80vh;border-radius:var(--r-card);border-bottom:1px solid var(--hairline)}.voice-sheet:before{display:none}}.voice-sheet-header{display:flex;align-items:center;justify-content:space-between}.voice-sheet-title{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--navy)}.voice-sheet-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;min-width:36px;min-height:36px;border:none;border-radius:50%;background:var(--powder-tint);color:var(--navy);transition:background .15s var(--ease-out)}.voice-sheet-close:hover{background:var(--gold-tint)}.voice-sheet-close svg{width:15px;height:15px}.voice-sheet-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:var(--r-input);background:#fcf3e8;border:1px solid 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var(--ease-out)}.reading-option-btn:not(:disabled):active{transform:scale(.98)}.reading-option-btn--selected{border-color:var(--gold);background:var(--gold-tint)}.reading-option-btn--correct{border-color:#4a8f5f;background:#4a8f5f1a}.reading-option-btn--wrong{border-color:var(--wine);background:var(--wine-tint)}.reading-option-btn:disabled{opacity:.85}.reading-score--good{color:#4a8f5f}.reading-score--mid{color:var(--gold-deep)}.reading-score--low{color:var(--wine)}.placement-page{display:flex;flex-direction:column;gap:20px}.placement-topbar{display:flex;align-items:center;justify-content:space-between}.placement-skip-btn{align-self:center;background:transparent;color:var(--ink-2)}.placement-passage-body{margin-bottom:4px}.placement-result{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:40px 20px 32px}.placement-breakdown{width:100%;max-width:22em;text-align:left;background:var(--powder-tint);border-radius:var(--r-input);padding:14px 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16px;border:none;border-radius:var(--r-card);background:var(--card);box-shadow:var(--shadow-1)}.path-module-card:active{transform:scale(.99)}.grammar-sections{display:flex;flex-direction:column;gap:24px}.grammar-section-heading{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--navy);margin:0 0 10px}.grammar-prose{font-size:16px;line-height:1.6;color:var(--ink);max-width:38em;margin:0}.grammar-table-wrap{overflow-x:auto;border-radius:var(--r-input);border:1px solid var(--hairline)}.grammar-table{border-collapse:collapse;width:100%;min-width:420px}.grammar-table th{text-align:left;padding:10px 14px;background:var(--powder-tint);color:var(--navy);font-family:var(--font-display);font-weight:600;font-size:13px;white-space:nowrap}.grammar-table td{padding:10px 14px;font-size:14px;color:var(--ink);vertical-align:top}.grammar-table tr{border-top:1px solid var(--hairline)}.grammar-table thead tr{border-top:none}.grammar-examples-panel{background:var(--cream);border-radius:var(--r-card);padding:6px 14px;display:flex;flex-direction:column}.grammar-example-row{display:flex;flex-direction:column;gap:2px;padding:10px 0 10px 12px;border-top:1px solid var(--hairline);border-left:2px solid var(--gold)}.grammar-example-row:first-child{border-top:none}.grammar-example-en{font-size:15.5px;color:var(--ink)}.grammar-example-note{font-size:12px;color:var(--ink-3)}.grammar-rules-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.grammar-rule-item{display:flex;gap:10px;font-size:15px;line-height:1.5;color:var(--ink)}.grammar-rule-bullet{color:var(--gold);flex-shrink:0}.grammar-trap{border-left:3px solid var(--wine);background:var(--wine-tint);border-radius:var(--r-input);padding:16px 18px;display:flex;flex-direction:column;gap:10px}.grammar-trap-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--wine);font-weight:600}.grammar-trap-body{margin:0;font-size:15px;line-height:1.55;color:var(--ink)}.grammar-trap-contrast{display:flex;flex-direction:column;gap:4px}.grammar-trap-wrong{font-size:15px;color:var(--wine);font-weight:500}.grammar-trap-right{font-size:15px;color:var(--navy);font-weight:500}.grammar-trap-why{margin:0;font-size:13px;color:var(--ink-2)}.grammar-note{display:flex;gap:10px;align-items:flex-start;background:var(--powder-tint);border-radius:var(--r-input);padding:12px 14px}.grammar-note-dot{width:6px;height:6px;border-radius:50%;background:var(--navy);margin-top:6px;flex-shrink:0}.grammar-note-body{margin:0;font-size:13px;line-height:1.5;color:var(--ink-2);font-style:italic}.grammar-context-section{background:var(--powder-tint);border-radius:var(--r-input);padding:16px;display:flex;flex-direction:column;gap:10px}.grammar-context-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}.grammar-context-header .grammar-section-heading{margin:0}.grammar-context-controls{display:flex;align-items:center;gap:2px;flex-shrink:0}.grammar-context-dialogue{display:flex;flex-direction:column;gap:8px}.grammar-context-line{margin:0;font-size:15px;line-height:1.6;color:var(--ink)}.grammar-context-speaker{font-weight:600;color:var(--navy);margin-right:6px}.grammar-unit-nav{display:flex;justify-content:space-between;gap:12px;padding-top:8px;border-top:1px solid var(--hairline)}.grammar-unit-nav-btn{min-height:44px;padding:0 16px;border:none;background:transparent;font-size:14px}.grammar-unit-nav-btn--prev{color:var(--ink-2);font-weight:500}.grammar-unit-nav-btn--next{color:var(--navy);font-weight:600}.grammar-exercise-instructions{margin:0 0 12px;font-size:13px;color:var(--ink-2);line-height:1.5}.grammar-exercise-list{display:flex;flex-direction:column;gap:8px}.grammar-exercise-item{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:12px 16px;border:1px solid var(--hairline);border-radius:var(--r-input);background:var(--card);text-align:left;transition:background .15s var(--ease-out),border-color .15s var(--ease-out),transform .15s var(--ease-out)}.grammar-exercise-item:active{transform:scale(.99)}.grammar-exercise-item[aria-expanded=true]{background:var(--gold-tint);border-color:var(--gold)}.grammar-exercise-prompt{font-size:15px;color:var(--ink);font-family:var(--font-mono)}.grammar-exercise-reveal{flex-shrink:0;font-size:12px;color:var(--ink-3);white-space:nowrap}.grammar-exercise-item[aria-expanded=true] .grammar-exercise-answer{flex-shrink:0;font-size:14px;font-weight:600;color:var(--gold-deep);text-align:right}.grammar-page-nav{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:16px;margin-top:4px;border-top:1px solid var(--hairline)}.grammar-page-nav-btn{min-height:48px;padding:0 18px;border:none;border-radius:var(--r-pill);font-family:var(--font-display);font-size:14px;font-weight:600;white-space:nowrap;transition:opacity .15s var(--ease-out),transform .15s var(--ease-out)}.grammar-page-nav-btn:active{transform:scale(.98)}.grammar-page-nav-btn--prev{background:transparent;color:var(--ink-2);padding-left:4px}.grammar-page-nav-btn--next{background:linear-gradient(180deg,var(--navy),var(--ink));color:#fff;box-shadow:var(--shadow-1)}.grammar-page-nav-btn--next:disabled{opacity:.5}.grammar-page-nav-progress{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);flex-shrink:0}@keyframes confirmCardIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}@media (prefers-reduced-motion: reduce){@keyframes confirmCardIn{0%{opacity:0}to{opacity:1}}}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;display:flex;align-items:center;justify-content:center;background:#0b192f73;padding:20px;opacity:1}.confirm-card{width:100%;max-width:340px;max-height:80vh;overflow-y:auto;background:#faf1e2;border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:24px 20px 20px;transform-origin:center;opacity:1;transform:scale(1);display:flex;flex-direction:column;gap:20px}.confirm-message{margin:0;font-size:15px;line-height:1.5;color:var(--ink);text-align:center}.confirm-actions{display:flex;gap:10px}.confirm-btn{flex:1;min-height:46px;border:none;border-radius:var(--r-pill);font-family:var(--font-display);font-weight:600;font-size:15px}.confirm-btn--cancel{background:#f7e1c6;color:var(--ink)}.confirm-btn--ok{background:var(--navy);color:#fff}.confirm-btn:active{transform:scale(.98)}