:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--theme:dark;--bg-canvas:#06080d;--bg-ambient:radial-gradient(circle at 50% -12%, #f59e0b29, transparent 52%), radial-gradient(circle at 88% 18%, #3b82f612, transparent 44%), #06080d;--paper:#0b0e17;--paper-raised:#111624;--paper-subtle:#171d2e;--paper-hover:#1d253a;--panel:#111624;--panel-soft:#111624e0;--ink:#f8fafc;--ink-secondary:#94a3b8;--muted:#64748b;--muted-light:#334155;--line:#ffffff14;--line-light:#ffffff0a;--line-strong:#ffffff29;--accent:#f59e0b;--accent-light:#f59e0b24;--accent-dark:#fbbf24;--accent-hover:#d97706;--accent-text:#171203;--btn-primary-bg:#f8fafc;--btn-primary-fg:#07090e;--btn-primary-hover:#fff;--btn-primary-border:#ffffff38;--btn-primary-shadow:0 6px 20px #00000073, 0 0 16px 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var(--ease-spring);flex-direction:column;align-items:center;margin:auto;display:flex;position:relative}@keyframes welcomeIn{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.welcome-header{margin-bottom:22px}.welcome-pill-badge{border-radius:var(--radius-pill);background:var(--accent-light);color:var(--accent-dark);letter-spacing:-.01em;border:1px solid #f59e0b4d;align-items:center;gap:7px;margin-bottom:12px;padding:4px 12px;font-size:11.5px;font-weight:750;display:inline-flex;box-shadow:0 0 16px #f59e0b26}.pill-pulse-dot{background:var(--accent);width:6px;height:6px;box-shadow:0 0 8px var(--accent);border-radius:50%;animation:1.4s ease-in-out infinite pulseDot}@keyframes 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var(--ease-spring);-webkit-backdrop-filter:blur(20px);border-radius:24px;position:relative;overflow:hidden}.specimen-3d-card:before{content:"";pointer-events:none;background:linear-gradient(90deg,#0000,#f59e0b80,#0000);height:1px;position:absolute;top:0;left:15%;right:15%}.specimen-card-inner{text-align:left;padding:22px 20px 18px}.specimen-meta-bar{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.specimen-source-chip{color:var(--muted);letter-spacing:-.01em;align-items:center;gap:6px;font-size:11.5px;font-weight:650;display:inline-flex}.specimen-audio-btn{background:var(--paper-subtle);border:1px solid var(--line);width:34px;height:34px;color:var(--accent);cursor:pointer;transition:all .18s var(--ease-spring);box-shadow:var(--shadow-sm);border-radius:50%;place-items:center;display:grid}.specimen-audio-btn:hover,.specimen-audio-btn.is-playing{border-color:var(--accent);background:var(--accent-light);transform:scale(1.08);box-shadow:0 0 14px #f59e0b59}.soundwave-pulse{justify-content:center;align-items:center;gap:2px;height:14px;display:flex}.sw-bar{background:var(--accent);border-radius:2px;width:2.5px;animation:.75s ease-in-out infinite alternate swAnim}.sw-bar.b1{height:7px;animation-delay:.1s}.sw-bar.b2{height:14px;animation-delay:.25s}.sw-bar.b3{height:9px;animation-delay:.4s}@keyframes swAnim{0%{transform:scaleY(.3)}to{transform:scaleY(1)}}.specimen-headline-group{align-items:baseline;gap:8px;margin-bottom:6px;display:flex}.specimen-main-word{font-family:var(--font-display);letter-spacing:-.04em;color:var(--ink);font-size:28px;font-weight:850;line-height:1.1}.specimen-ipa{color:var(--muted);font-size:13.5px;font-family:var(--font-sans);letter-spacing:.02em}.specimen-definition-block{align-items:baseline;gap:6px;margin-bottom:12px;display:flex}.specimen-pos-tag{color:var(--accent);font-size:12px;font-style:italic;font-weight:700}.specimen-meaning-line{color:var(--ink);font-size:14px;font-weight:650;line-height:1.4}.specimen-context-box{border-radius:var(--radius-md);background:var(--paper-subtle);border-left:3px solid var(--accent);margin-bottom:14px;padding:10px 14px 10px 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8px;font-size:10.5px;font-weight:700}.welcome-action-hub{width:100%}.welcome-login-box{justify-content:center;width:100%;min-height:50px;margin-bottom:16px;display:flex}.custom-google-wrapper{border-radius:var(--radius-pill);background:var(--btn-primary-bg);width:100%;max-width:320px;height:50px;color:var(--btn-primary-fg);border:1px solid var(--btn-primary-border);box-shadow:var(--btn-primary-shadow);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .2s var(--ease-spring);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.custom-google-wrapper:hover{background:var(--btn-primary-hover);transform:translateY(-2px);box-shadow:0 10px 28px #00000059}.custom-google-wrapper:active{transform:translateY(0)scale(.985)}.custom-google-btn-surface{pointer-events:none;justify-content:center;align-items:center;gap:10px;width:100%;height:100%;padding:0 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var(--green)}.keycap-label{color:var(--ink);letter-spacing:-.01em;font-size:13.5px;font-weight:750;line-height:1.15}.keycap-interval{font-family:var(--font-sans);color:var(--muted);font-variant-numeric:tabular-nums;font-size:10.5px;font-weight:600;line-height:1}.tactile-keycap.tone-again:hover:not(:disabled) .keycap-label{color:var(--rose-dark)}.tactile-keycap.tone-good:hover:not(:disabled) .keycap-label{color:var(--accent)}.tactile-keycap.tone-easy:hover:not(:disabled) .keycap-label{color:var(--green-dark)}.review-triumph-stage{flex:1;justify-content:center;align-items:center;padding:24px 16px;display:flex}.triumph-modal-card{background:var(--paper-raised);border:1px solid var(--line-strong);width:100%;max-width:440px;box-shadow:var(--shadow-lg);text-align:center;border-radius:28px;flex-direction:column;align-items:center;gap:18px;padding:38px 24px;display:flex}.triumph-check-ring{background:var(--green-light);width:56px;height:56px;color:var(--green);border:1.5px solid 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var(--ease-spring);justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.triumph-btn-secondary:hover{background:var(--paper-hover);border-color:var(--line-strong)}.settings-page{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;flex:1;min-height:0;padding:16px 16px 40px;overflow-y:auto}.settings-group{margin-bottom:24px}.settings-group h2{color:var(--ink-secondary);letter-spacing:-.01em;margin-bottom:10px;font-size:13px;font-weight:700}.settings-row{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper-raised);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;gap:16px;padding:16px 18px;display:flex}.settings-row strong{color:var(--ink);font-size:14.5px;font-weight:700;display:block}.settings-switch{cursor:pointer;flex-shrink:0;width:44px;height:24px;display:inline-block;position:relative}.settings-switch input{opacity:0;width:0;height:0;position:absolute}.settings-switch .switch-slider{background-color:var(--paper-subtle);border:1px solid var(--line);border-radius:var(--radius-pill);transition:background-color .2s var(--ease-spring), border-color .2s var(--ease-spring);position:absolute;inset:0}.settings-switch .switch-slider:before{content:"";width:18px;height:18px;transition:transform .2s var(--ease-spring);background-color:#fff;border-radius:50%;position:absolute;bottom:2px;left:2px;box-shadow:0 1px 3px #00000040}html[data-theme=dark] .settings-switch .switch-slider:before{background-color:#f8fafc}.settings-switch input:checked+.switch-slider{background-color:var(--accent);border-color:var(--accent)}.settings-switch input:checked+.switch-slider:before{transform:translate(20px)}.settings-account-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper-raised);box-shadow:var(--shadow-sm);padding:18px}.settings-account-user{align-items:center;gap:14px;display:flex}.settings-user-avatar{object-fit:cover;border-radius:50%;flex-shrink:0;width:44px;height:44px}.settings-user-initial{background:var(--accent-light);width:44px;height:44px;color:var(--accent-dark);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;font-weight:800;display:inline-flex}.settings-user-details{flex-direction:column;min-width:0;display:flex}.settings-user-name{color:var(--ink);font-size:15px;font-weight:750}.settings-user-email{color:var(--muted);margin-top:2px;font-size:12.5px}.settings-sync-status{border-top:1px solid var(--line);color:var(--ink-secondary);align-items:center;gap:8px;margin-top:14px;padding-top:12px;font-size:12px;display:flex}.settings-shortcuts-card{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--paper-raised);box-shadow:var(--shadow-sm);flex-direction:column;gap:8px;padding:14px 18px;display:flex}.shortcut-row{justify-content:space-between;align-items:center;padding:4px 0;display:flex}.shortcut-desc{color:var(--ink-secondary);font-size:13.5px;font-weight:600}.shortcut-key{border:1px solid var(--line-strong);background:var(--paper-subtle);min-width:26px;height:26px;color:var(--ink);border-radius:6px;justify-content:center;align-items:center;padding:0 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:11.5px;font-weight:750;display:inline-flex;box-shadow:0 1px 2px #0000001f}.settings-danger-group{margin-top:36px;padding-top:12px}.settings-signout-btn{border-radius:var(--radius-md);background:var(--rose-light);width:100%;min-height:48px;color:var(--rose-dark);transition:all .16s var(--ease-spring);border:1px solid #f43f5e4d;justify-content:center;align-items:center;gap:8px;font-size:14px;font-weight:700;display:flex}.settings-signout-btn:hover{background:#f43f5e38}.settings-signout-btn:active{transform:scale(.985)}.study-loading-state{color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;font-size:14px;display:flex}@media (width<=480px){.thumb-trigger-pad{min-height:52px;padding:5px 2px}.trigger-pad-title{font-size:12.5px}.trigger-pad-sub{font-size:9px}.study-header-actions{gap:6px}.dock-glass-capsule{gap:6px;padding:4px 4px 4px 10px}.dock-select-chip{padding:5px 8px;font-size:12px}.dock-master-cta{min-width:110px;font-size:13.5px}}@media (width<=360px){.app-header{padding:0 12px}.brand-text{font-size:14px}.tab-pill-label{font-size:11px}.tab-pill-badge{min-width:15px;height:15px;padding:0 3px;font-size:10px}.compact-tab-pill{gap:3px}.dock-select-chip{padding:4px 6px;font-size:11px}.dock-master-cta{min-width:95px;font-size:13px}}