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#3b6fac;--srs-learning: #a06a26;--srs-due: #3f8a52;--success: #3f8a52;--success-bg: rgba(63, 138, 82, .12);--warning: #a06a26;--warning-bg: rgba(160, 106, 38, .12);--rose: #b3403a;--rose-bg: rgba(179, 64, 58, .1);--good: #3f8a52;--bad: #b3403a;--watch: #a06a26;--shadow-1: 0 1px 2px rgba(32, 28, 15, .05), 0 1px 3px rgba(32, 28, 15, .05);--shadow-2: 0 1px 3px rgba(32, 28, 15, .05), 0 10px 26px rgba(32, 28, 15, .09);--shadow-fab: 0 8px 20px rgba(32, 28, 15, .18);--ring-accent: 0 0 0 1px var(--accent-line), 0 10px 28px -10px rgba(154, 160, 18, .3)}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}html,body{overflow-x:hidden;max-width:100%}body{background:var(--bg);color:var(--ink-1);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe 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.review-door-arrow{transform:translate(3px)}.review-door-glyph{position:absolute;right:1.1rem;top:1.1rem;width:34px;height:34px;opacity:.9}.deck-shelf{display:grid;gap:.55rem}.deck-row{display:flex;align-items:center;gap:.85rem;background:var(--elev-1);border:1px solid var(--border-subtle);border-radius:var(--radius-button);padding:.7rem .8rem;box-shadow:var(--shadow-1);position:relative;transition:border-color var(--dur-fast) ease,box-shadow var(--dur-fast) ease}.deck-row:hover{border-color:var(--border-strong)}.deck-row-thumb{width:44px;height:44px;border-radius:12px;flex-shrink:0;background:var(--accent-soft);color:var(--accent-soft-ink);display:grid;place-items:center;border:1px solid var(--border-subtle);cursor:pointer}.deck-row-main{flex:1 1 auto;min-width:0;cursor:pointer;background:none;border:none;text-align:left;padding:0}.deck-row-name{font-weight:600;font-size:var(--fs-sm);color:var(--ink-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.deck-row-counts{display:flex;gap:.6rem;margin-top:4px;flex-wrap:wrap;align-items:center;font-size:10px}.deck-row-dot{width:7px;height:7px;border-radius:999px;display:inline-block;margin-right:3px}.deck-row-due-badge{flex-shrink:0;background:var(--accent);color:var(--on-accent);font-weight:700;font-size:10px;border-radius:var(--radius-pill);padding:.18rem .55rem}.deck-row-actions{display:flex;gap:2px;flex-shrink:0;position:relative}.deck-row-more{position:absolute;right:0;top:calc(100% + 4px);z-index:20;background:var(--elev-2);border:1px solid var(--border);border-radius:var(--radius-button);box-shadow:var(--shadow-2);min-width:168px;padding:.3rem}.deck-row-more button{display:flex;width:100%;align-items:center;gap:.55rem;padding:.5rem 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var(--border-subtle)}.leech-row:first-of-type{border-top:none}.leech-row-front{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--fs-sm);font-weight:600}.leech-row-count{flex-shrink:0;font-size:var(--fs-xs);color:var(--grade-again);font-weight:600}.study-stage{display:flex;flex-direction:column;gap:1rem}.study-progress{display:flex;align-items:center;gap:.6rem}.study-progress-track{flex:1;height:5px;border-radius:999px;background:var(--elev-3);overflow:hidden}.study-progress-fill{height:100%;background:var(--accent);border-radius:999px;transition:width var(--dur-slow) var(--ease-out)}.study-progress-label{font-size:var(--fs-xs);color:var(--ink-3);flex-shrink:0}.study-card{position:relative;background:var(--elev-1);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:2rem 1.5rem;min-height:220px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow-2)}.study-tag{align-self:flex-start}.study-front{font-family:var(--font-display);font-size:1.5rem;font-weight:600;line-height:1.45;color:var(--ink-1);white-space:pre-wrap}.study-back{font-size:var(--fs-lg);color:var(--ink-2);line-height:1.6;white-space:pre-wrap;margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--border-strong)}.study-reveal-hint{text-align:center;font-size:var(--fs-xs);color:var(--ink-3);margin-top:-.4rem}.study-flip-btn{width:100%}.grade-row{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.grade-btn{display:flex;flex-direction:column;align-items:center;gap:.35rem;border-radius:var(--radius-button);padding:.75rem .3rem .6rem;border:1.5px solid var(--border);background:var(--elev-1);cursor:pointer;transition:transform var(--dur-fast) var(--ease-out),border-color var(--dur-fast) ease,background var(--dur-fast) ease}.grade-btn:hover{transform:translateY(-2px)}.grade-btn:active{transform:scale(.97)}.grade-btn img{width:26px;height:26px}.grade-btn-label{font-size:var(--fs-sm);font-weight:700}.grade-btn-interval{font-size:10px;color:var(--ink-3)}.grade-btn-again{border-color:#d4534a59;background:var(--grade-again-bg)}.grade-btn-again .grade-btn-label{color:var(--grade-again)}.grade-btn-hard{border-color:#9c927066;background:var(--grade-hard-bg)}.grade-btn-hard .grade-btn-label{color:var(--grade-hard)}.grade-btn-good{border-color:#9aa01273;background:var(--grade-good-bg);padding-top:.9rem}.grade-btn-good .grade-btn-label{color:var(--grade-good)}.grade-btn-easy{border-color:var(--accent);background:var(--grade-easy-bg);padding-top:1.05rem;box-shadow:0 0 0 1px var(--accent-line)}.grade-btn-easy .grade-btn-label{color:var(--accent-deep)}.grade-hint{text-align:center;font-size:var(--fs-xxs);color:var(--ink-3)}.session-done{text-align:center;padding:1.2rem .5rem .6rem}.session-done-art{width:96px;height:96px;margin:0 auto .8rem}.session-done-stats{display:flex;justify-content:center;gap:1.6rem;margin:1rem 0 .3rem}.session-stat-val{font-family:var(--font-display);font-size:1.6rem;font-weight:700}.session-stat-lbl{font-size:var(--fs-xxs);color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em}.generate-moment-head{display:flex;align-items:center;gap:.6rem}.generate-moment-head img{width:30px;height:30px}.generate-drop{border:1.5px dashed var(--border-strong);border-radius:var(--radius);padding:1.1rem;text-align:center;color:var(--ink-3);font-size:var(--fs-xs);cursor:pointer;transition:border-color var(--dur-fast) ease,background var(--dur-fast) ease}.generate-drop:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-soft-ink)}.billing-note{display:flex;align-items:center;gap:.4rem;font-size:var(--fs-xxs);color:var(--ink-3)}.web-shell{display:none}@media (min-width: 880px){.web-shell{display:grid;grid-template-columns:360px 1fr;gap:2rem;align-items:start}.web-shell .web-col-stage{position:sticky;top:2rem}}.rbc-launch{position:fixed;right:max(1rem,env(safe-area-inset-right));z-index:39;bottom:max(1rem,env(safe-area-inset-bottom));display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.05rem;border-radius:var(--radius-pill);border:none;background:var(--accent);color:var(--on-accent);font-weight:700;font-size:var(--fs-sm);box-shadow:var(--shadow-fab);cursor:pointer}.rbc-launch:hover{background:var(--accent-hover)}.rbc-sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;height:100dvh;background:var(--elev-1);border-top:1px solid var(--border);border-radius:18px 18px 0 0;box-shadow:0 -16px 40px -12px #00000080;transform:translateY(100%);transition:transform .24s var(--ease-out);display:flex;flex-direction:column;padding:calc(14px + env(safe-area-inset-top)) 16px calc(14px + env(safe-area-inset-bottom))}.rbc-sheet.open{transform:translateY(0)}.rbc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-weight:600;font-size:var(--fs-sm)}.rbc-head .link{background:none;border:none;color:var(--accent-soft-ink);font-size:var(--fs-xs);cursor:pointer}.rbc-chat{display:flex;flex-direction:column;flex:1;max-width:720px;margin:0 auto;width:100%;min-height:0}.rbc-scroll{flex:1;overflow:auto;padding-right:4px}.rbc-msgrow{display:flex;margin:10px 0}.rbc-msgrow.me{justify-content:flex-end}.rbc-bubble{white-space:pre-wrap;max-width:85%;padding:11px 14px;border-radius:14px;font-size:14px;line-height:1.5}.rbc-bubble.bot{border:1px solid var(--border);background:var(--accent-soft);color:var(--ink-1)}.rbc-bubble.me{background:var(--accent);color:var(--on-accent)}.rbc-bubble.thinking{opacity:.55}.rbc-rows{margin-top:8px;max-height:220px;overflow-y:auto}.rbc-rowitem{display:flex;justify-content:space-between;gap:.6rem;font-size:var(--fs-xs);padding:.3rem 0;border-top:1px solid var(--border)}.rbc-composer{display:flex;gap:8px;padding-top:12px;align-items:flex-end}.rbc-composer textarea{flex:1;resize:none}.rbc-confirm{gap:8px}.thinking{opacity:1;animation:or-think-breathe 1.8s ease-in-out infinite}.thinking:after{content:"";display:inline-block;width:1.2em;text-align:left;animation:or-think-dots 1.5s steps(4,end) infinite}@keyframes or-think-breathe{0%,to{opacity:.5}50%{opacity:.95}}@keyframes or-think-dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}@media (prefers-reduced-motion: reduce){.thinking{animation:or-think-breathe 3s ease-in-out infinite}.thinking:after{animation:none;content:"..."}}.study-mode-row{display:flex;gap:.4rem;justify-content:center;margin-bottom:.7rem}.quiz-options{display:grid;grid-template-columns:minmax(0,1fr);gap:.5rem;width:100%}.quiz-opt{width:100%;min-height:52px;padding:.7rem .9rem;text-align:left;border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--elev-1);color:var(--ink-1);font-size:var(--fs-sm);line-height:1.45;transition:background .14s ease,border-color .14s ease,opacity .14s ease}.quiz-opt:hover:not(:disabled){background:var(--elev-2)}.quiz-opt-right{border-color:var(--ok, #4a8a5c);background:color-mix(in srgb,var(--ok, #4a8a5c) 12%,transparent)}.quiz-opt-wrong{border-color:var(--danger, #c0544a);background:color-mix(in srgb,var(--danger, #c0544a) 12%,transparent)}.quiz-opt-dim{opacity:.45}.quiz-verdict{font-size:var(--fs-sm);font-weight:600;text-align:center;margin:.35rem 0 .1rem}.quiz-verdict.is-right{color:var(--ok, #4a8a5c)}.quiz-verdict.is-wrong{color:var(--danger, #c0544a)}.streak-row{display:flex;align-items:baseline;gap:.45rem}.streak-num{font-size:var(--fs-xl);font-weight:700;font-variant-numeric:tabular-nums}.streak-dots{display:flex;gap:3px;margin-top:.35rem}.streak-dot{width:9px;height:9px;border-radius:3px;background:var(--elev-2)}.streak-dot.on{background:var(--accent)}