*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0d0d12;--surface:#1a1a24;--text:#e8e6e3;--text-dim:#8a8a9a;--accent:#00d4aa;--again:#e74c3c;--good:#27ae60;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;overflow:hidden;-webkit-user-select:none;user-select:none;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom)}.header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:var(--surface);border-bottom:1px solid #2a2a3a;flex-shrink:0}.header-stats{display:flex;gap:12px;font-size:13px}.header-stats span{color:var(--text-dim)}.header-actions{display:flex;align-items:center;gap:10px}.account-chip{font-size:12px;color:var(--text-dim);max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-chip.authenticated{color:var(--accent)}.header-btn{border:1px solid #2a2a3a;background:transparent;color:var(--text-dim);border-radius:999px;padding:6px 12px;font-size:12px;cursor:pointer}.header-btn:active{opacity:0.7}.conn-dot{width:8px;height:8px;border-radius:50%;background:var(--good);transition:background 0.3s}.conn-dot.offline{background:var(--again)}.conn-dot.syncing{background:#e67e22;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:0.5}}.screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px;display:none}.screen.active{display:flex}#syncScreen h1{font-size:28px;margin-bottom:8px;color:var(--accent)}#syncScreen .subtitle{color:var(--text-dim);margin-bottom:18px;font-size:14px}.sync-btn{background:var(--accent);color:var(--bg);border:none;border-radius:12px;padding:16px 48px;font-size:18px;font-weight:600;cursor:pointer;min-height:56px;transition:opacity 0.2s}.sync-btn:active{opacity:0.7}.sync-btn:disabled{opacity:0.4;cursor:default}.sync-status{margin-top:20px;font-size:14px;color:var(--text-dim);text-align:center;min-height:20px}.sync-progress{margin-top:12px;width:200px;height:4px;background:#2a2a3a;border-radius:2px;overflow:hidden}.sync-progress-bar{height:100%;background:var(--accent);width:0%;transition:width 0.3s}.offline-info{margin-top:16px;font-size:13px;color:var(--text-dim)}.auth-panel{width:100%;max-width:420px;background:var(--surface);border:1px solid #2a2a3a;border-radius:18px;padding:18px 16px;margin-bottom:18px}.auth-copy{font-size:14px;line-height:1.5;color:var(--text);margin-bottom:14px}.auth-hint{font-size:12px;line-height:1.5;color:var(--text-dim);margin-top:12px}.auth-form{display:flex;flex-direction:column;gap:10px}.auth-field{display:flex;flex-direction:column;gap:6px}.auth-field span{font-size:12px;color:var(--text-dim)}.auth-field input{width:100%;border:1px solid #343447;border-radius:12px;background:#12121a;color:var(--text);padding:14px 14px;font-size:16px}.auth-field input:focus{outline:none;border-color:var(--accent)}.auth-submit{width:100%;margin-top:4px}.secondary-btn{width:100%;margin-top:10px;border:1px solid #343447;background:transparent;color:var(--text);border-radius:12px;padding:14px 16px;font-size:16px;cursor:pointer;min-height:52px}.secondary-btn:active{opacity:0.75}.sync-status.error{color:#ff8f87}.deck-panel{width:100%;max-width:540px;background:rgba(26,26,36,0.9);border:1px solid #2a2a3a;border-radius:16px;padding:14px 14px 12px;margin-bottom:18px}.deck-panel-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.deck-panel-title{font-size:12px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-dim)}.deck-panel-meta{font-size:12px;color:var(--text-dim);text-align:right}.deck-options{display:flex;flex-wrap:wrap;gap:8px}.deck-pill{border:1px solid #343447;background:#12121a;color:var(--text);border-radius:999px;padding:10px 14px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;min-height:42px}.deck-pill.active{background:var(--accent);border-color:var(--accent);color:var(--bg)}.deck-pill:disabled{cursor:default;opacity:0.85}.deck-pill-count{font-size:11px;opacity:0.7}.card{background:var(--surface);border-radius:16px;padding:24px 16px;width:100%;max-width:500px;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;flex:1;max-height:65vh;overflow-y:auto;-webkit-overflow-scrolling:touch}.card-source{font-size:12px;color:var(--text-dim);margin-bottom:12px}.card-sentence{font-family:'Malgun Gothic','Apple SD Gothic Neo','Noto Sans KR',sans-serif;font-size:26px;line-height:1.5;margin-bottom:12px;word-break:keep-all}.card-answer{width:100%;border-top:1px solid #2a2a3a;padding-top:14px;margin-top:8px}.pairs-row{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 12px;margin-bottom:12px}.word-pair{display:flex;flex-direction:column;align-items:center;gap:2px}.word-pair .ko{font-family:'Malgun Gothic','Apple SD Gothic Neo','Noto Sans KR',sans-serif;font-size:16px;color:var(--text)}.word-pair .en{font-size:13px;color:var(--accent);font-weight:500}.card-gloss{font-size:17px;color:var(--accent);margin-bottom:8px;line-height:1.6}.card-contextual{font-size:14px;color:var(--text-dim);font-style:italic;line-height:1.5}.actions{width:100%;max-width:500px;padding:12px 0;flex-shrink:0}.show-btn{width:100%;background:var(--surface);color:var(--text);border:2px solid #3a3a4a;border-radius:12px;padding:18px;font-size:18px;cursor:pointer;min-height:56px;transition:background 0.2s}.show-btn:active{background:#2a2a3a}.rating-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}.rate-btn{border:none;border-radius:12px;padding:14px 4px;font-size:14px;font-weight:600;cursor:pointer;color:white;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:opacity 0.2s}.rate-btn:active{opacity:0.7}.rate-btn.again{background:var(--again)}.rate-btn.good{background:var(--good)}.rate-btn .interval{font-size:11px;font-weight:400;opacity:0.85}.btn-row{display:flex;justify-content:center;gap:12px;margin-top:8px}.suspend-btn{padding:8px 20px;font-size:13px;color:var(--text-dim);background:transparent;border:1px solid #2a2a3a;border-radius:8px;cursor:pointer;opacity:0.6}.suspend-btn:active{opacity:1}.replay-btn{padding:8px 16px;font-size:16px;color:var(--text-dim);background:transparent;border:1px solid #2a2a3a;border-radius:8px;cursor:pointer;opacity:0.6}.replay-btn:active{opacity:1}.session-info{text-align:center;font-size:13px;color:var(--text-dim);margin-bottom:8px}#doneScreen h2{font-size:24px;margin-bottom:12px}#doneScreen .done-stats{color:var(--text-dim);margin-bottom:24px;font-size:15px}.pending-notice{color:#e67e22;font-size:13px;margin-top:12px}.review-tool-dock{position:fixed;right:max(14px,calc(var(--safe-right)+10px));bottom:max(14px,calc(var(--safe-bottom)+10px));z-index:30;display:flex;flex-direction:column;align-items:stretch;gap:8px;min-width:132px;padding:10px;border:1px solid rgba(255,255,255,0.08);border-radius:14px;background:rgba(11,11,19,0.94);box-shadow:0 14px 32px rgba(0,0,0,0.32);backdrop-filter:blur(12px)}.review-tool-btn{border:1px solid #2a2a3a;border-radius:10px;background:rgba(255,255,255,0.02);color:var(--text-dim);font-size:12px;font-weight:600;padding:8px 10px;cursor:pointer;transition:background 0.2s,border-color 0.2s,color 0.2s}.review-tool-btn:active{background:rgba(255,255,255,0.08)}.review-tool-btn.active{border-color:rgba(108,92,231,0.45);color:var(--text);background:rgba(108,92,231,0.16)}.review-tool-order{display:grid;grid-template-columns:1fr 1fr;gap:6px}.review-tool-note{color:var(--text-dim);font-size:11px;text-align:center}.review-controller-panel{display:flex;flex-direction:column;gap:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,0.08)}.review-tool-check,.review-controller-field{display:grid;grid-template-columns:56px 1fr;align-items:center;gap:8px;color:var(--text-dim);font-size:12px;font-weight:600}.review-tool-check{grid-template-columns:auto 1fr;justify-content:start}.review-controller-field select{width:100%;min-height:34px;border:1px solid #2a2a3a;border-radius:8px;background:#14141d;color:var(--text);font-size:12px;padding:6px 8px}