:root{--bg:#f5f3ee;--surface:#fff;--surface-2:#ebe8e0;--text:#14171a;--muted:#565d66;--line:#d9d5ca;--accent:#0b6b63;--on-accent:#fff;--good:#1a7f43;--bad:#b3261e;--warn:#8a5a00;--heat0:#e4e1d8;--heat1:#a6d5c8;--heat2:#5fb3a1;--heat3:#2c8a78;--heat4:#0b5a52;--shadow:0 10px 30px #14171a1f, 0 2px 6px #14171a14;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0e1113;--surface:#1a1e22;--surface-2:#262b30;--text:#f3f5f6;--muted:#a8b0b8;--line:#2f353b;--accent:#5fd9c8;--on-accent:#06201c;--good:#6fd391;--bad:#ff8a80;--warn:#f0c060;--heat0:#232a2e;--heat1:#1d4f48;--heat2:#26786d;--heat3:#3fb5a2;--heat4:#8ff0e0;--shadow:0 10px 30px #00000080, 0 2px 6px #0006}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior:none;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,system-ui,sans-serif;font-size:18px;line-height:1.4}button,input{font:inherit;color:inherit}h1,h2,h3,p{margin:0}.app{flex-direction:column;max-width:520px;height:100dvh;margin:0 auto;display:flex}.screen{min-height:0;padding:calc(env(safe-area-inset-top) + 20px) calc(env(safe-area-inset-right) + 16px) 24px calc(env(safe-area-inset-left) + 16px);flex-direction:column;flex:1;gap:16px;display:flex;overflow-y:auto}.screen h1{letter-spacing:-.02em;font-size:32px;line-height:1.15}.screen h2{letter-spacing:-.01em;font-size:22px}.muted{color:var(--muted)}.small{font-size:15px}.center{text-align:center}.grow{flex:1}.loading{height:100%;color:var(--muted);place-items:center;display:grid}.tabbar{background:var(--surface);border-top:1px solid var(--line);padding:4px calc(env(safe-area-inset-right) + 4px) calc(env(safe-area-inset-bottom) + 4px) calc(env(safe-area-inset-left) + 4px);display:flex}.tab{min-height:52px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:12px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:12px;font-weight:600;display:flex}.tab svg{stroke:currentColor;fill:none;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:26px;height:26px}.tab[aria-current=page]{color:var(--accent)}.btn{background:var(--accent);min-height:56px;color:var(--on-accent);cursor:pointer;border:2px solid #0000;border-radius:16px;width:100%;padding:0 20px;font-size:19px;font-weight:700}.btn:disabled{opacity:.4;cursor:default}.btn.secondary{color:var(--text);border-color:var(--line);background:0 0}.btn.danger{color:var(--bad);border-color:var(--bad);background:0 0}.btn.small{border-radius:12px;width:auto;min-height:44px;padding:0 16px;font-size:16px}.btn:focus-visible,.tab:focus-visible,.row-btn:focus-visible,.opt:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;flex-direction:column;gap:10px;padding:18px;display:flex}.label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:13px;font-weight:700}.error{color:var(--bad);font-size:15px}.deck-screen{justify-content:space-between;gap:12px}.deck-stage{flex:1;place-items:center;min-height:0;display:grid;position:relative}.card{background:var(--surface);width:100%;box-shadow:var(--shadow);border:2px solid var(--line);touch-action:pan-y;-webkit-user-select:none;user-select:none;will-change:transform;border-radius:28px;flex-direction:column;gap:14px;padding:28px 24px;display:flex}.card.dragging{cursor:grabbing}.card.settle{transition:transform .22s ease-out,border-color .22s}.card.leave{opacity:0;transition:transform .22s ease-in,opacity .22s}.card-title{letter-spacing:-.025em;font-size:34px;font-weight:800;line-height:1.1}.card-pitch{color:var(--muted);font-size:20px}.card-days{background:var(--surface-2);border-radius:999px;align-self:flex-start;padding:6px 14px;font-size:17px;font-weight:700}.card-rule{background:var(--line);height:1px;margin:2px 0}.card-done{font-size:19px}.deck-buttons{gap:12px;display:flex}.deck-buttons .btn{flex:1}.deck-hint{text-align:center;color:var(--muted);font-size:15px}.cards-list{flex-direction:column;gap:20px;display:flex}.countdown{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:56px;font-weight:800;line-height:1}.opts{flex-direction:column;gap:10px;display:flex}.opt{text-align:left;border:2px solid var(--line);background:var(--surface);cursor:pointer;border-radius:16px;min-height:56px;padding:12px 16px;font-size:18px}.opt.right{border-color:var(--good);background:color-mix(in srgb, var(--good) 16%, var(--surface))}.opt.wrong{border-color:var(--bad);background:color-mix(in srgb, var(--bad) 14%, var(--surface))}.quiz-prompt{font-size:24px;font-weight:700;line-height:1.25}.explain{background:var(--surface-2);border-radius:16px;padding:14px 16px;font-size:17px}.progress{gap:6px;display:flex}.progress i{background:var(--surface-2);border-radius:3px;flex:1;height:6px}.progress i.on{background:var(--accent)}.file-btn{cursor:pointer;text-align:center;place-items:center;display:grid}.file-btn input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.photo{object-fit:contain;background:var(--surface-2);border-radius:16px;width:100%;max-height:300px}.check{border:2px solid var(--line);background:var(--surface);cursor:pointer;border-radius:16px;align-items:center;gap:14px;min-height:56px;padding:10px 14px;font-size:18px;display:flex}.check input{width:26px;height:26px;accent-color:var(--accent);flex:none}.big-mark{font-size:64px;line-height:1}.list{flex-direction:column;gap:10px;display:flex}.row-btn{text-align:left;background:var(--surface);border:1px solid var(--line);cursor:pointer;border-radius:18px;flex-direction:column;gap:4px;width:100%;min-height:64px;padding:14px 16px;display:flex}.row-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.row-title{font-size:19px;font-weight:700}.pill{white-space:nowrap;border:1.5px solid;border-radius:999px;padding:3px 10px;font-size:14px;font-weight:700}.pill.on-track{color:var(--good)}.pill.due{color:var(--warn)}.pill.forgotten{color:var(--bad)}.back{color:var(--accent);text-align:left;cursor:pointer;background:0 0;border:0;min-height:44px;padding:0;font-size:18px;font-weight:700}.hist{border-bottom:1px solid var(--line);justify-content:space-between;gap:10px;padding:8px 0;font-size:17px;display:flex}.hist:last-child{border-bottom:0}.tiles{grid-template-columns:1fr 1fr;gap:12px;display:grid}.tile{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px 16px}.tile b{letter-spacing:-.02em;font-size:34px;line-height:1.1;display:block}.heat{grid-template-rows:repeat(7,1fr);grid-auto-columns:1fr;grid-auto-flow:column;gap:2px;display:grid}.heat i{aspect-ratio:1;background:var(--heat0);border-radius:3px}.heat i.l1{background:var(--heat1)}.heat i.l2{background:var(--heat2)}.heat i.l3{background:var(--heat3)}.heat i.l4{background:var(--heat4)}.field{flex-direction:column;gap:6px;display:flex}.input{border:2px solid var(--line);background:var(--bg);border-radius:12px;width:100%;min-height:48px;padding:0 14px;font-size:17px}.setting-row{justify-content:space-between;align-items:center;gap:12px;min-height:44px;display:flex}.version-btn{min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0 0 0 12px;font-size:18px}.dev{border-color:var(--warn)}.dev-actions{flex-wrap:wrap;gap:8px;display:flex}@media (prefers-reduced-motion:reduce){.card.settle,.card.leave{transition:none}}.backup-banner{padding:calc(env(safe-area-inset-top) + 8px) calc(env(safe-area-inset-right) + 16px) 8px calc(env(safe-area-inset-left) + 16px);background:var(--surface-2);color:var(--muted);text-align:center;font-size:14px}