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48px))}#start-hint.hidden,#start-hint.occluded{opacity:0;transform:translate(-50%,8px)}.start-hint-shell{display:grid;justify-items:center;gap:12px}.start-hint-copy{font-size:14px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-subtle)}.start-hint-subcopy{max-width:56ch;font-size:14px;line-height:1.65;color:var(--text-muted)}.start-hint-guide{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:min(680px,100%)}.start-hint-tip{padding:14px 16px;border-radius:18px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 72%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 94%,transparent),color-mix(in srgb,var(--surface-strong) 86%,transparent));box-shadow:0 14px 26px var(--shadow-soft);display:grid;gap:7px;text-align:left}.start-hint-tip-label{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-strong)}.start-hint-tip p{font-size:13px;line-height:1.55;color:var(--text-secondary)}#onboarding-tour{position:absolute;inset:0;z-index:80;display:grid;place-items:center;padding:max(20px,env(safe-area-inset-top) + 10px) 18px max(20px,env(safe-area-inset-bottom) + 10px);opacity:1;transition:opacity .28s ease}#onboarding-tour.hidden{opacity:0;pointer-events:none}.onboarding-backdrop{position:absolute;inset:0;background:radial-gradient(circle at top left,color-mix(in srgb,var(--primary) 12%,transparent),transparent 28%),radial-gradient(circle at 80% 18%,color-mix(in srgb,var(--surface-soft) 18%,transparent),transparent 28%),linear-gradient(180deg,#050a126b,#050a12ad);backdrop-filter:blur(16px) saturate(1.05);-webkit-backdrop-filter:blur(16px) saturate(1.05)}.onboarding-shell{position:relative;width:min(960px,calc(100vw - 36px))}.onboarding-panel{position:relative;display:grid;gap:18px;padding:22px;border-radius:32px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 82%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 97%,transparent),color-mix(in srgb,var(--surface-strong) 92%,transparent));box-shadow:0 28px 48px color-mix(in srgb,var(--shadow-soft) 92%,transparent),inset 0 1px color-mix(in srgb,white 14%,transparent)}.onboarding-panel-top,.onboarding-panel-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px}.onboarding-brand{display:flex;align-items:center;gap:10px}.onboarding-brand-kicker{font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--primary-strong)}.onboarding-step-counter{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-subtle)}.onboarding-skip-btn,.onboarding-nav-btn,.settings-guide-tour-btn{min-height:46px;padding:0 18px;border-radius:15px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 74%,transparent);background:color-mix(in srgb,var(--surface) 88%,transparent);color:var(--text-secondary);font:inherit;font-size:13px;font-weight:700;letter-spacing:.04em;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease}.onboarding-skip-btn:hover,.onboarding-nav-btn:hover,.settings-guide-tour-btn:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--primary) 24%,var(--surface-border-strong))}.onboarding-nav-btn.primary,.settings-guide-tour-btn{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 24%,transparent),color-mix(in srgb,var(--primary-soft) 76%,transparent));color:var(--text-primary);border-color:color-mix(in srgb,var(--primary) 36%,transparent);box-shadow:0 16px 28px color-mix(in srgb,var(--shadow-soft) 84%,transparent)}.onboarding-nav-btn:disabled{opacity:.42;cursor:default;transform:none;box-shadow:none}.onboarding-stage{min-height:252px;border-radius:28px;border:1px solid color-mix(in srgb,var(--surface-border) 74%,transparent);background:radial-gradient(circle at top,color-mix(in srgb,var(--primary-soft) 24%,transparent),transparent 46%),linear-gradient(180deg,color-mix(in srgb,var(--app-bg-elevated) 92%,transparent),color-mix(in srgb,var(--app-bg) 88%,transparent));padding:18px;display:grid;place-items:center;overflow:hidden}.onboarding-demo{width:100%;height:100%}.tour-demo-card{position:relative;width:min(100%,760px);min-height:214px;margin:0 auto;padding:20px;border-radius:24px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 74%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 90%,transparent),color-mix(in srgb,var(--surface-strong) 84%,transparent));box-shadow:0 22px 36px color-mix(in srgb,var(--shadow-soft) 82%,transparent);overflow:hidden}.tour-demo-card:after{content:"";position:absolute;inset:auto 22px 22px;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--surface-border-strong) 86%,transparent),transparent)}.tour-demo-word-row,.tour-demo-preview{display:flex;align-items:center;justify-content:center;gap:18px;text-align:center}.tour-demo-word-main,.tour-demo-preview-word{font-size:clamp(36px,6vw,64px);line-height:1.05;letter-spacing:-.05em;color:var(--text-primary)}.tour-demo-word-main{font-family:var(--display-font)}.tour-demo-word-muted{font-size:clamp(20px,3vw,30px);color:var(--text-faint)}.tour-demo-tap-callout{position:absolute;left:50%;bottom:24px;transform:translate(-50%);padding:10px 14px;border-radius:999px;border:1px solid color-mix(in srgb,var(--primary) 26%,transparent);background:color-mix(in srgb,var(--primary-soft) 70%,var(--surface));font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--primary-strong)}.tour-demo-gesture{position:absolute;inset:0;pointer-events:none}.tour-demo-hand{position:absolute;width:58px;height:80px;filter:drop-shadow(0 16px 24px rgba(0,0,0,.24))}.tour-demo-hand svg{display:block;width:100%;height:100%}.tour-demo-ripple{position:absolute;left:50%;top:56%;width:22px;height:22px;border-radius:50%;border:1px solid color-mix(in srgb,var(--primary) 46%,transparent);transform:translate(-50%,-50%);animation:onboarding-ripple 1.8s ease-out infinite}.tour-demo-gesture-tap .tour-demo-hand{left:calc(50% + 52px);top:calc(56% - 34px);animation:onboarding-tap 1.8s ease-in-out infinite}.tour-demo-chip{display:inline-flex;align-items:center;justify-content:center;min-width:78px;height:38px;border-radius:999px;border:1px solid color-mix(in srgb,var(--primary) 32%,transparent);background:color-mix(in srgb,var(--primary-soft) 72%,var(--surface));color:var(--primary-strong);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:24px}.tour-demo-meter{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;color:var(--text-subtle);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.tour-demo-track,.tour-demo-gesture-line{position:relative;border-radius:999px;background:color-mix(in srgb,var(--surface-border-strong) 56%,transparent)}.tour-demo-track{height:6px}.tour-demo-track-fill{position:absolute;inset:0;width:58%;border-radius:inherit;background:linear-gradient(90deg,color-mix(in srgb,var(--primary) 22%,transparent),color-mix(in srgb,var(--primary) 90%,white 10%));animation:onboarding-track 2s ease-in-out infinite}.tour-demo-gesture-horizontal .tour-demo-gesture-line{left:18%;right:18%;top:58%;height:2px}.tour-demo-gesture-horizontal .tour-demo-hand{left:32%;top:calc(58% - 34px);animation:onboarding-horizontal 2s ease-in-out infinite}.tour-demo-line{text-align:center;font-size:clamp(20px,3vw,28px);line-height:1.4}.tour-demo-line.subdued{color:var(--text-faint)}.tour-demo-line.focus{font-size:clamp(28px,4.6vw,42px);color:var(--text-primary)}.tour-demo-browse{display:grid;align-content:center;gap:18px}.tour-demo-gesture-vertical .tour-demo-gesture-line{top:18%;bottom:18%;left:50%;width:2px;transform:translate(-50%)}.tour-demo-gesture-vertical .tour-demo-hand{left:calc(50% + 34px);top:calc(28% - 16px);animation:onboarding-vertical 2s ease-in-out infinite}.tour-demo-settings{display:grid;align-content:center;gap:18px}.tour-demo-toggle-row,.tour-demo-word-count{display:flex;align-items:center;justify-content:space-between;gap:16px}.tour-demo-toggle-label{font-size:14px;font-weight:700;color:var(--text-secondary)}.tour-demo-toggle{position:relative;width:58px;height:32px;border-radius:999px;background:color-mix(in srgb,var(--primary) 24%,var(--surface) 76%);border:1px solid color-mix(in srgb,var(--primary) 44%,transparent)}.tour-demo-toggle span{position:absolute;top:3px;left:28px;width:24px;height:24px;border-radius:50%;background:var(--text-primary);box-shadow:0 8px 14px #0000003d;animation:onboarding-toggle 1.8s ease-in-out infinite}.tour-demo-word-count{justify-content:center}.tour-demo-word-pill{min-width:56px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 74%,transparent);background:color-mix(in srgb,var(--surface) 92%,transparent);color:var(--text-subtle);font-size:15px;font-weight:800}.tour-demo-word-pill.active{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 22%,transparent),color-mix(in srgb,var(--primary-soft) 76%,transparent));border-color:color-mix(in srgb,var(--primary) 42%,transparent);color:var(--text-primary)}.tour-demo-preview{flex-direction:column;gap:8px}.tour-demo-preview-translation{font-size:18px;color:var(--text-subtle)}.onboarding-copy-block{display:grid;justify-items:center;gap:8px;text-align:center}.onboarding-title{max-width:32ch;font-family:var(--ui-font);font-size:clamp(20px,2.8vw,28px);line-height:1.32;font-weight:700;letter-spacing:-.025em;color:var(--text-primary);text-wrap:balance}.onboarding-copy{max-width:56ch;font-size:14px;line-height:1.6;color:var(--text-muted);text-wrap:balance}.onboarding-points{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:2px}.onboarding-point{padding:10px 14px;border-radius:999px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 74%,transparent);background:color-mix(in srgb,var(--surface) 88%,transparent);font-size:12px;font-weight:700;line-height:1.2;color:var(--text-secondary)}.onboarding-progress{display:flex;align-items:center;gap:8px}.onboarding-progress-dot{width:9px;height:9px;border-radius:50%;background:color-mix(in srgb,var(--surface-border-strong) 88%,transparent);transition:transform .18s ease,background .18s ease}.onboarding-progress-dot.active{transform:scale(1.12);background:color-mix(in srgb,var(--primary) 88%,white 12%);box-shadow:0 0 0 6px color-mix(in srgb,var(--primary-soft) 48%,transparent)}.onboarding-actions{display:flex;align-items:center;gap:10px}@keyframes onboarding-ripple{0%{transform:translate(-50%,-50%) scale(.72);opacity:.8}to{transform:translate(-50%,-50%) scale(3.1);opacity:0}}@keyframes onboarding-tap{0%,to{transform:translateY(0) scale(1)}28%{transform:translateY(10px) scale(.94)}52%{transform:translateY(2px) scale(.98)}}@keyframes onboarding-horizontal{0%,to{transform:translate(-70px)}50%{transform:translate(70px)}}@keyframes onboarding-vertical{0%,to{transform:translateY(-42px)}50%{transform:translateY(42px)}}@keyframes onboarding-track{0%,to{width:38%}50%{width:82%}}@keyframes onboarding-toggle{0%,to{transform:translate(0)}50%{transform:translate(-8px)}}@media (prefers-reduced-motion: reduce){.tour-demo-ripple,.tour-demo-gesture-tap .tour-demo-hand,.tour-demo-gesture-horizontal .tour-demo-hand,.tour-demo-gesture-vertical .tour-demo-hand,.tour-demo-track-fill,.tour-demo-toggle span{animation:none!important}}#completion-panel{position:absolute;top:50%;left:50%;width:min(860px,calc(100vw - 40px));transform:translate(-50%,-50%);z-index:24;pointer-events:none;transition:opacity .4s ease,transform .4s ease}#completion-panel.hidden{opacity:0;transform:translate(-50%,calc(-50% + 10px))}#completion-panel.occluded{opacity:0;transform:translate(-50%,calc(-50% + 8px))}.completion-shell{display:grid;gap:18px;padding:28px;border-radius:30px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 74%,transparent);background:radial-gradient(circle at top right,color-mix(in srgb,var(--primary-soft) 46%,transparent),transparent 42%),linear-gradient(180deg,color-mix(in srgb,var(--surface) 97%,transparent),color-mix(in srgb,var(--surface-strong) 92%,transparent));box-shadow:0 32px 72px var(--shadow-strong);backdrop-filter:blur(26px)}.completion-kicker{font-size:11px;font-weight:800;letter-spacing:.28em;text-transform:uppercase;color:var(--primary-strong)}.completion-title{font-family:var(--display-font);font-size:clamp(34px,5vw,58px);font-weight:600;line-height:.92;letter-spacing:-.05em;color:var(--text-primary)}.completion-subtitle{max-width:60ch;font-size:15px;line-height:1.7;color:var(--text-secondary)}.completion-stat-chain{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.completion-stat-card{display:grid;gap:8px;padding:16px 18px;border-radius:22px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 72%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 96%,transparent),color-mix(in srgb,var(--surface-elevated) 88%,transparent))}.completion-stat-card-primary{background:linear-gradient(180deg,color-mix(in srgb,var(--primary-soft) 44%,var(--surface) 56%),color-mix(in srgb,var(--surface-elevated) 90%,transparent))}.completion-stat-card-accent{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 18%,var(--surface) 82%),color-mix(in srgb,var(--surface-elevated) 90%,transparent))}.completion-stat-label{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}.completion-stat-value{font-size:clamp(20px,3vw,28px);font-weight:700;line-height:1;letter-spacing:-.03em;color:var(--text-primary)}.metric-unit{display:inline-flex;align-items:baseline;gap:.18em}.metric-unit-help{cursor:help;text-decoration:underline;text-decoration-style:dotted;text-decoration-thickness:1.5px;text-underline-offset:.18em}.metric-unit-help:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 72%,white 28%);outline-offset:4px;border-radius:8px}.completion-chart-shell{display:grid;gap:12px;padding:18px 18px 20px;border-radius:24px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 72%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 94%,transparent),color-mix(in srgb,var(--surface-strong) 88%,transparent))}.completion-chart-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted)}.completion-chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.completion-bar-card{display:grid;gap:10px}.completion-bar-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:12px;color:var(--text-secondary)}.completion-bar-top span:last-child{font-weight:700;color:var(--text-primary)}.completion-bar-track{position:relative;width:100%;height:8px;overflow:hidden;border-radius:999px;background:color-mix(in srgb,var(--surface-border) 78%,transparent)}.completion-bar-fill{position:absolute;inset:0;transform-origin:left center;border-radius:inherit;background:linear-gradient(90deg,var(--progress-start),var(--progress-end));box-shadow:0 0 16px color-mix(in srgb,var(--primary) 30%,transparent)}.completion-chip-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.completion-chip{display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 76%,transparent);background:color-mix(in srgb,var(--surface) 92%,transparent);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary)}.completion-restart{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary-strong)}#speed-badge{position:absolute;top:20%;left:50%;transform:translate(-50%) scale(0);font-size:13px;font-weight:600;color:var(--primary-strong);background:var(--badge-bg);border:1px solid var(--badge-border);padding:4px 14px;border-radius:20px;letter-spacing:.5px;z-index:15;transition:transform .15s cubic-bezier(.34,1.56,.64,1);pointer-events:none}#speed-badge.show{transform:translate(-50%) scale(1)}#resume-countdown{position:absolute;top:50%;left:50%;transform:translate(-50%) scale(0);font-family:var(--display-font);font-size:clamp(72px,12vw,118px);font-weight:600;color:var(--primary);letter-spacing:-.04em;line-height:.9;text-shadow:0 10px 28px rgba(0,0,0,.18);font-variant-numeric:tabular-nums;z-index:40;opacity:0;pointer-events:none;transition:all .3s cubic-bezier(.16,1,.3,1)}#resume-countdown.show{transform:translate(-50%) scale(1);opacity:1}#page-indicator{position:absolute;top:calc(50% + 44px);left:50%;transform:translate(-50%,6px);display:inline-flex;align-items:center;gap:12px;font-size:16px;font-weight:700;color:var(--text-secondary);letter-spacing:.18em;text-transform:uppercase;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:24;white-space:nowrap;text-shadow:0 8px 20px rgba(0,0,0,.18)}#page-indicator:before,#page-indicator:after{content:"";width:32px;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--text-subtle) 72%,transparent))}#page-indicator:after{background:linear-gradient(90deg,color-mix(in srgb,var(--text-subtle) 72%,transparent),transparent)}#page-indicator.show{opacity:1;transform:translate(-50%)}#page-chip{position:absolute;left:14px;bottom:max(14px,env(safe-area-inset-bottom));z-index:36;border:1px solid var(--control-border);background:color-mix(in srgb,var(--control-bg) 92%,transparent);color:var(--text-secondary);border-radius:999px;padding:10px 14px;font-size:12px;font-weight:700;letter-spacing:.04em;font-variant-numeric:tabular-nums;backdrop-filter:blur(14px);box-shadow:0 10px 30px var(--shadow-soft);transition:opacity .2s ease,transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease}#page-chip.page-chip-highlight{animation:page-chip-highlight .52s cubic-bezier(.16,1,.3,1)}#page-chip.hidden{opacity:0;pointer-events:none}#page-chip:active{transform:translateY(1px) scale(.98)}#page-chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px}@keyframes page-chip-highlight{0%{transform:translateY(0) scale(1);border-color:color-mix(in srgb,var(--primary) 32%,var(--control-border));background:color-mix(in srgb,var(--primary-soft) 42%,var(--control-bg));box-shadow:0 10px 30px var(--shadow-soft)}42%{transform:translateY(-1px) scale(1.04);border-color:color-mix(in srgb,var(--primary) 58%,var(--control-border));background:color-mix(in srgb,var(--primary-soft) 68%,var(--control-bg));box-shadow:0 0 0 10px color-mix(in srgb,var(--primary-soft) 24%,transparent),0 14px 34px var(--shadow-soft)}to{transform:translateY(0) scale(1);border-color:var(--control-border);background:color-mix(in srgb,var(--control-bg) 92%,transparent);box-shadow:0 10px 30px var(--shadow-soft)}}#page-sheet-backdrop{position:absolute;inset:0;z-index:68;border:none;background:#02070f5c;opacity:0;pointer-events:none;transition:opacity .24s ease}#page-sheet-backdrop.show{opacity:1;pointer-events:auto}#page-sheet{position:absolute;left:0;right:0;bottom:0;z-index:70;max-height:min(72vh,760px);display:grid;grid-template-rows:auto minmax(0,1fr);gap:14px;padding:18px 18px calc(18px + env(safe-area-inset-bottom));background:radial-gradient(circle at top,color-mix(in srgb,var(--surface-soft) 16%,transparent),transparent 42%),linear-gradient(180deg,color-mix(in srgb,var(--surface) 94%,transparent),color-mix(in srgb,var(--app-bg) 97%,transparent));border-top:1px solid var(--surface-border-strong);border-top-left-radius:26px;border-top-right-radius:26px;box-shadow:0 -22px 44px #00000047;transform:translateY(calc(100% + 18px));transition:transform .28s cubic-bezier(.16,1,.3,1)}#page-sheet.open{transform:translateY(0)}.page-sheet-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.page-sheet-heading{display:grid;gap:6px}.page-sheet-kicker{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--primary-strong)}#page-sheet-title{font-family:var(--display-font);font-size:30px;line-height:.94;letter-spacing:-.03em;color:var(--text-primary)}#page-sheet-copy{font-size:14px;line-height:1.55;color:var(--text-muted)}#page-sheet-close{width:38px;height:38px;border:1px solid var(--surface-border);border-radius:12px;background:color-mix(in srgb,var(--surface) 88%,transparent);color:var(--text-subtle);font-size:24px}#page-sheet-list{min-height:0;overflow-x:auto;overflow-y:hidden;display:grid;grid-auto-flow:column;grid-auto-columns:clamp(320px,34vw,430px);gap:16px;padding:2px 2px 8px 0;align-items:stretch;scroll-snap-type:x proximity;scroll-padding-inline:2px;touch-action:pan-x}.page-sheet-card{min-width:0;min-height:min(58vh,540px);border:1px solid var(--surface-border);border-radius:22px;background:color-mix(in srgb,var(--surface) 94%,transparent);color:inherit;text-align:left;padding:18px;display:grid;grid-template-rows:auto minmax(0,1fr);gap:14px;overflow:hidden;cursor:pointer;box-shadow:0 14px 28px var(--shadow-soft);transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease;scroll-snap-align:start}.page-sheet-card:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--primary) 28%,var(--surface-border-strong))}.page-sheet-card.active{border-color:var(--primary);background:color-mix(in srgb,var(--primary-soft) 54%,var(--surface));box-shadow:0 16px 34px color-mix(in srgb,var(--primary-soft) 30%,var(--shadow-soft))}.page-sheet-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.page-sheet-card-label{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary-strong)}.page-sheet-card-status{padding:5px 9px;border-radius:999px;border:1px solid color-mix(in srgb,var(--primary) 26%,transparent);background:color-mix(in srgb,var(--primary-soft) 68%,var(--surface));font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary-strong)}.page-sheet-card-paper{min-height:0;min-width:0;overflow-y:auto;overflow-x:hidden;padding:20px 16px 20px 18px;border-radius:18px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 78%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 88%,white 12%),color-mix(in srgb,var(--surface) 94%,transparent));box-shadow:inset 0 1px #ffffff0a;touch-action:pan-y}.page-sheet-card-text{font-size:15px;line-height:1.85;color:var(--text-secondary);white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;min-height:100%}#menu-btn,#settings-btn{position:absolute;z-index:50;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;background:color-mix(in srgb,var(--control-bg) 88%,transparent);border:1px solid var(--control-border);border-radius:8px;backdrop-filter:blur(8px);opacity:1;transition:opacity .5s ease,transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}#menu-btn{top:max(12px,env(safe-area-inset-top));left:12px;flex-direction:column;gap:4px}#settings-btn{right:12px;bottom:calc(env(safe-area-inset-bottom) + 14px);color:var(--menu-line)}#menu-btn.visible{opacity:1}#menu-btn:active,#settings-btn:active{transform:scale(.95)}#menu-btn span{display:block;width:14px;height:1.5px;background:var(--menu-line);border-radius:1px}#settings-btn svg{width:16px;height:16px}#menu-btn:focus-visible,#settings-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}#menu-btn.is-active,#settings-btn.is-active{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 20%,transparent),color-mix(in srgb,var(--surface) 88%,transparent));border-color:color-mix(in srgb,var(--primary) 34%,transparent);box-shadow:0 14px 26px var(--shadow-soft)}#app.reading-ui-dim #menu-btn,#app.reading-ui-dim #settings-btn,#app.reading-ui-dim #page-chip{opacity:.36;background:color-mix(in srgb,var(--control-bg) 72%,transparent);border-color:color-mix(in srgb,var(--control-border) 58%,transparent);box-shadow:0 8px 24px color-mix(in srgb,var(--shadow-soft) 42%,transparent)}#app.reading-ui-dim #page-chip.hidden{opacity:0}#app.reading-ui-dim #menu-btn:hover,#app.reading-ui-dim #menu-btn:focus-visible,#app.reading-ui-dim #menu-btn.is-active,#app.reading-ui-dim #settings-btn:hover,#app.reading-ui-dim #settings-btn:focus-visible,#app.reading-ui-dim #settings-btn.is-active,#app.reading-ui-dim #page-chip:hover,#app.reading-ui-dim #page-chip:focus-visible{opacity:.94;background:color-mix(in srgb,var(--control-bg) 90%,transparent);border-color:color-mix(in srgb,var(--primary) 30%,var(--control-border));box-shadow:0 14px 30px var(--shadow-soft)}#library{position:fixed;inset:0;background:radial-gradient(circle at top left,color-mix(in srgb,var(--primary) 10%,transparent),transparent 26%),radial-gradient(circle at top right,color-mix(in srgb,var(--surface-soft) 28%,transparent),transparent 30%),linear-gradient(180deg,color-mix(in srgb,var(--app-bg-elevated) 92%,#08101c 8%) 0%,var(--app-bg) 100%);z-index:100;display:flex;flex-direction:column;transform:translate(-100%);transition:transform .35s cubic-bezier(.16,1,.3,1);overflow:hidden}#library.open{transform:translate(0)}#library[data-mode=settings] .lib-overview,#library[data-mode=settings] .lib-section-head{display:none!important}.lib-header{position:sticky;top:0;z-index:4;padding:max(18px,env(safe-area-inset-top) + 8px) 24px 18px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;background:linear-gradient(180deg,color-mix(in srgb,var(--app-bg) 82%,transparent),color-mix(in srgb,var(--app-bg) 48%,transparent));backdrop-filter:blur(18px)}.lib-brand{display:grid;gap:5px}.lib-title{font-family:var(--display-font);font-size:clamp(32px,4.6vw,40px);font-weight:600;color:var(--text-primary);letter-spacing:-.03em;line-height:.94}.lib-subtitle{font-size:12px;font-weight:600;letter-spacing:.01em;color:var(--text-subtle)}.lib-close{flex-shrink:0;width:42px;height:42px;border:1px solid var(--surface-border);border-radius:14px;background:color-mix(in srgb,var(--surface) 76%,transparent);color:var(--text-secondary);font-size:28px;cursor:pointer;display:grid;place-items:center;box-shadow:0 14px 26px var(--shadow-soft)}.lib-close:active{transform:scale(.97)}.lib-tabs-shell{position:sticky;top:0;z-index:3;margin-bottom:14px;padding-bottom:8px;isolation:isolate}.lib-tabs-shell:before{content:"";position:absolute;inset:-10px -24px 0;z-index:-1;background:linear-gradient(180deg,color-mix(in srgb,var(--app-bg-elevated) 78%,transparent) 0%,color-mix(in srgb,var(--app-bg) 56%,transparent) 78%,transparent 100%);backdrop-filter:blur(22px) saturate(1.15);-webkit-backdrop-filter:blur(22px) saturate(1.15);border-bottom:1px solid color-mix(in srgb,var(--surface-border) 72%,transparent);pointer-events:none}.lib-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:6px;border:1px solid color-mix(in srgb,var(--surface-border) 74%,transparent);border-radius:22px;background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 82%,transparent),color-mix(in srgb,var(--surface-strong) 72%,transparent));backdrop-filter:blur(18px) saturate(1.08);-webkit-backdrop-filter:blur(18px) saturate(1.08);box-shadow:0 18px 36px color-mix(in srgb,var(--shadow-soft) 92%,transparent),inset 0 1px color-mix(in srgb,white 16%,transparent)}.lib-tab{min-height:48px;padding:0 14px;font-size:14px;font-weight:600;color:var(--text-subtle);background:transparent;border:none;border-radius:16px;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease}.lib-tab.active{color:var(--text-primary);background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 24%,transparent),color-mix(in srgb,var(--primary) 12%,transparent));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--primary) 28%,transparent),0 10px 20px #00000029}.lib-settings{padding:16px 24px 0;display:grid;gap:12px}.language-control,.theme-control,.settings-control{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-muted);font-size:14px;font-weight:600}#language-select,#theme-select,#custom-base-theme{min-width:104px;padding:10px 12px;border-radius:10px;border:1px solid var(--surface-border-strong);background:var(--control-bg);color:var(--control-text);font:inherit;outline:none}#language-select:focus,#theme-select:focus,#custom-base-theme:focus{border-color:var(--primary)}.lib-content{flex:1;overflow-y:auto;padding:8px 24px 28px;--theme-cta-space: calc(124px + env(safe-area-inset-bottom)) ;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y;transition:padding-bottom .22s ease}.lib-content.theme-cta-active{padding-bottom:var(--theme-cta-space)}.lib-overview{position:relative;display:grid;gap:18px;padding:12px 0 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0;display:grid;gap:14px;align-content:start}.lib-overview-kicker,.lib-section-kicker{font-size:10px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--primary-strong)}.lib-overview-title{max-width:10ch;font-family:var(--display-font);font-size:clamp(34px,6vw,56px);line-height:.94;letter-spacing:-.035em;color:var(--text-primary);text-wrap:balance}.lib-overview-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.lib-overview-meta>span:not(.lib-overview-meta-dot),.lib-current-card-meta{font-size:12px;font-weight:700;letter-spacing:.03em;color:var(--text-secondary)}.lib-overview-meta-dot{width:5px;height:5px;border-radius:999px;background:color-mix(in srgb,var(--primary) 58%,var(--text-secondary))}.lib-overview-body{max-width:40rem;font-size:14px;line-height:1.7;color:var(--text-secondary)}.lib-overview-action{justify-self:start;min-height:48px;padding:0 18px;border:1px solid color-mix(in srgb,var(--primary) 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var(--shadow-soft);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.lib-current-card-media{min-height:178px;border-radius:18px;overflow:hidden;display:flex;align-items:flex-start;justify-content:flex-end;padding:18px;background:linear-gradient(180deg,#ffffff0f,#fff0),linear-gradient(160deg,var(--card-gradient-start),var(--card-gradient-end));background-size:cover;background-position:center;position:relative}.lib-current-card-media:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,var(--overlay-radial),transparent 38%),linear-gradient(180deg,#090d1405,#090d144d 40%,#090d14b8)}.lib-current-card-media.no-cover{justify-content:flex-end;background:radial-gradient(circle at 18% 18%,color-mix(in srgb,var(--primary) 26%,transparent),transparent 30%),radial-gradient(circle at 82% 24%,rgba(255,255,255,.1),transparent 22%),linear-gradient(160deg,var(--custom-card-start),var(--custom-card-end))}.lib-current-card-monogram{position:relative;z-index:1;font-family:var(--display-font);font-size:clamp(42px,5vw,58px);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#ffffff57;text-shadow:0 10px 24px rgba(0,0,0,.2)}.lib-current-card-copy{display:grid;gap:8px}.lib-current-card-kicker{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-strong)}.lib-current-card-title{font-family:var(--display-font);font-size:clamp(24px,3.2vw,30px);line-height:1;letter-spacing:-.025em;color:var(--text-primary);text-wrap:balance}.lib-current-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.lib-current-card-separator{color:var(--text-muted)}.lib-overview-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.lib-stat{min-height:0;padding:14px 14px 16px;border-radius:18px;border:1px solid color-mix(in srgb,var(--surface-border) 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88%,transparent);appearance:none;color:var(--text-primary);font:inherit;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}.settings-panel{display:grid;gap:18px;margin-top:16px}.settings-shell{display:grid;gap:16px}.settings-tabs-shell{position:sticky;top:0;z-index:3;padding-bottom:8px;isolation:isolate}.settings-tabs-shell:before{content:"";position:absolute;inset:-10px -6px 0;z-index:-1;background:linear-gradient(180deg,color-mix(in srgb,var(--app-bg-elevated) 76%,transparent) 0%,color-mix(in srgb,var(--app-bg) 48%,transparent) 80%,transparent 100%);backdrop-filter:blur(18px) saturate(1.08);-webkit-backdrop-filter:blur(18px) saturate(1.08);pointer-events:none}.settings-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:6px;border:1px solid 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#00000029}.settings-tab-panel[hidden]{display:none!important}.settings-tab-panel.active{display:grid;gap:18px}.settings-guide-panel .settings-guide{margin-top:0;padding-top:0;border-top:none}.settings-visuals-layout{display:grid;gap:14px}.settings-section{background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 96%,transparent),color-mix(in srgb,var(--surface-strong) 90%,transparent));border:1px solid color-mix(in srgb,var(--surface-border-strong) 78%,transparent);border-radius:24px;padding:20px;box-shadow:0 20px 36px var(--shadow-soft)}.settings-section-theme{position:relative}.settings-header{display:grid;gap:8px;margin-bottom:16px}.settings-header-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:start}.settings-header-copy{display:grid;gap:8px}.settings-header.compact{margin-bottom:14px}.settings-kicker{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-strong)}.settings-title{font-family:var(--display-font);font-size:26px;line-height:1;letter-spacing:-.02em;color:var(--text-primary)}.settings-copy{font-size:13px;line-height:1.6;color:var(--text-muted)}.settings-restore-btn{min-height:42px;padding:0 16px;border-radius:14px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 76%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 94%,transparent),color-mix(in srgb,var(--surface-strong) 88%,transparent));color:var(--text-secondary);font:inherit;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease}.settings-restore-btn:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--primary) 22%,var(--surface-border-strong));box-shadow:0 16px 24px var(--shadow-soft)}.settings-restore-btn:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 44%,transparent);outline-offset:3px}.settings-modal{position:absolute;inset:0;z-index:120;display:grid;place-items:center;padding:18px}.settings-modal.hidden{opacity:0;pointer-events:none}.settings-modal-backdrop{position:absolute;inset:0;border:none;background:linear-gradient(180deg,#050a1252,#050a129e);backdrop-filter:blur(14px) saturate(1.04);-webkit-backdrop-filter:blur(14px) saturate(1.04)}.settings-modal-card{position:relative;width:min(520px,calc(100vw - 32px));display:grid;gap:18px;padding:22px;border-radius:26px;border:1px solid color-mix(in srgb,var(--surface-border-strong) 82%,transparent);background:radial-gradient(circle at top right,color-mix(in srgb,var(--primary-soft) 16%,transparent),transparent 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ease}.settings-reset-btn:hover{border-color:var(--surface-border-strong);color:var(--text-primary);background:color-mix(in srgb,var(--surface) 88%,transparent)}@media (max-width: 760px){#center-word-translation{top:calc(50% + 38px);max-width:calc(100vw - 52px);font-size:16px;white-space:nowrap}#book-intro{top:calc(env(safe-area-inset-top) + 98px);left:50%;width:calc(100vw - 28px)}.book-intro-shell{gap:10px;padding-top:0}.book-intro-kicker{font-size:11px;letter-spacing:.22em}.book-intro-title{max-width:9ch;font-size:clamp(54px,14.5vw,78px);line-height:.88}.book-intro-meta{gap:12px;font-size:14px;letter-spacing:.08em}.book-intro-rule{width:min(152px,34vw);margin-top:2px}#start-hint{top:calc(50% + 90px);max-width:calc(100vw - 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