:root{--bg:#faf9f5;--surface:#fff;--surface-alt:#f3f1ea;--text:#23231f;--text-soft:#6b6a63;--text-faint:#94938b;--line:#0000001a;--accent:#185fa5;--accent-bg:#e6f1fb;--good:#3b6d11;--bad:#a32d2d;--radius:10px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#1b1b19;--surface:#262624;--surface-alt:#2f2f2c;--text:#eceae2;--text-soft:#a9a89f;--text-faint:#7c7b74;--line:#ffffff1f;--accent:#85b7eb;--accent-bg:#12314c;--good:#97c459;--bad:#f09595}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:16px;line-height:1.5}.app{flex-direction:column;max-width:460px;min-height:100dvh;margin:0 auto;display:flex}.screen{flex:1;padding:20px 20px 8px}h1{margin:0 0 16px;font-size:22px;font-weight:500}h2{color:var(--text-soft);margin:0 0 8px;font-size:15px;font-weight:500}label{color:var(--text-soft);margin-bottom:4px;font-size:13px;display:block}input,textarea,select{width:100%;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);resize:vertical;margin-bottom:14px;padding:9px 12px;font-size:16px}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}button{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;padding:9px 14px}button:hover:not(:disabled){background:var(--surface-alt)}button:active:not(:disabled){transform:scale(.985)}button:disabled{color:var(--text-faint);cursor:default}button.primary{background:var(--accent);width:100%;color:var(--bg);border-color:#0000;font-weight:500}button.primary:hover:not(:disabled){opacity:.9;background:var(--accent)}button.primary:disabled{background:var(--surface-alt);color:var(--text-faint)}button.ghost{color:var(--text-soft);background:0 0;border-color:#0000;padding:4px 8px;font-size:13px}.banner{background:var(--accent-bg);width:100%;color:var(--accent);border-color:#0000;justify-content:space-between;align-items:center;gap:8px;margin-bottom:24px;font-size:14px;display:flex}.banner:hover{background:var(--accent-bg);filter:brightness(.98)}.hint{color:var(--text-faint);margin:0;font-size:13px}.hint-footnote{margin-top:20px;line-height:1.6}.hint-footnote+.hint-footnote{margin-top:6px}.section{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.list{margin:0;padding:0;list-style:none}.list-nested{padding:4px 0 10px 12px}.row{border-bottom:1px solid var(--line);align-items:flex-start;gap:10px;padding:10px 0;display:flex}.row:last-child{border-bottom:none}.row-text{flex:1;min-width:0}.row-title{margin:0;font-size:15px}.row-sub{color:var(--text-faint);white-space:pre-wrap;margin:2px 0 0;font-size:13px}.row-sub-clamped{-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.row-expand{color:var(--accent);cursor:pointer;background:0 0;border:none;margin-top:2px;padding:0;font-size:12px;display:inline-block}.row-expand:hover{background:0 0;text-decoration:underline}.row-meta{color:var(--text-faint);margin:4px 0 0;font-size:12px}.row-actions{flex-shrink:0;gap:2px;display:flex}button.ghost.danger{color:var(--bad)}.row-editing{display:block}.row-edit label{margin-top:4px}.row-edit input,.row-edit textarea{margin-bottom:8px}.row-edit-actions{justify-content:flex-end;gap:8px;padding-bottom:4px;display:flex}.row-deck-select{flex-shrink:0;width:auto;min-width:110px;max-width:150px;margin-bottom:0}.row-new-deck{flex-shrink:0;gap:6px;display:flex}.row-new-deck input{width:110px;margin-bottom:0}.row-new-deck button{flex-shrink:0}.row-struck{color:var(--text-faint);text-decoration:line-through}.row-checkbox{width:auto;accent-color:var(--accent);flex-shrink:0;margin:3px 0 0}.bulk-assign-bar{background:var(--accent-bg);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;padding:10px 12px;display:flex}.bulk-assign-bar select{width:auto;margin-bottom:0}.select-all-row{color:var(--text-soft);cursor:pointer;align-items:center;gap:8px;margin-bottom:8px;font-size:13px;display:flex}button.subtle-link{text-align:left;width:100%;color:var(--accent);margin-top:10px;padding:6px 0;font-size:13px;display:block}button.subtle-link:hover{background:0 0;text-decoration:underline}.import-head{justify-content:space-between;align-items:baseline;display:flex}.import-head h1{margin-bottom:0}.hint-lead{margin-bottom:12px}.account-email{margin:2px 0 16px;font-size:16px;font-weight:500}.account-actions{gap:8px;margin-bottom:8px;display:flex}.account-actions button{padding-left:0}.screen-head{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.screen-head h1{margin-bottom:0}.screen-head-actions{align-items:center;gap:8px;display:flex}.account-button{width:34px;height:34px;color:var(--text-soft);border-radius:50%;justify-content:center;align-items:center;padding:0;display:flex}.account-button-signed-in{border-color:var(--accent);color:var(--accent)}.dropzone{border:1px dashed var(--line);border-radius:var(--radius);text-align:center;margin:16px 0 12px;padding:14px}.dropzone .hint{margin-bottom:10px}.file-button{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);cursor:pointer;padding:8px 14px;font-size:14px;display:inline-block}.file-button:hover{background:var(--surface-alt)}.file-button input{display:none}.notice{border-radius:var(--radius);background:var(--accent-bg);color:var(--accent);margin:0 0 12px;padding:9px 12px;font-size:13px;line-height:1.5}.notice-bad{background:var(--surface-alt);color:var(--bad)}.intro-notice{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.intro-notice p{margin:0}.intro-notice button{flex-shrink:0;margin:-4px -4px 0 0}.backup-actions{margin-top:12px}.review-head{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.badge{background:var(--accent-bg);color:var(--accent);border-radius:var(--radius);padding:3px 10px;font-size:12px}.badge-quiet{background:var(--surface-alt);color:var(--text-faint);margin-left:8px}.card{background:var(--surface);border:1px solid var(--line);text-align:center;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;min-height:190px;padding:24px;transition:transform .18s;display:flex;position:relative}.card-dragging{transition:none}.card-edit-button{width:32px;height:32px;color:var(--text-faint);background:0 0;border-color:#0000;justify-content:center;align-items:center;padding:0;display:flex;position:absolute;top:8px;right:8px}.card-edit-button:hover{background:var(--surface-alt);color:var(--text-soft)}.card-editing{text-align:left;cursor:default;align-items:stretch}.card-editing label{margin-top:4px}.card-editing input,.card-editing textarea{margin-bottom:10px}.card-front{overflow-wrap:anywhere;margin:0;font-size:24px;font-weight:500}.card-back{color:var(--text-soft);border-top:1px solid var(--line);overflow-wrap:anywhere;white-space:pre-wrap;width:100%;margin:14px 0 0;padding-top:14px;font-size:16px}.swipe-hints{justify-content:space-between;padding:10px 4px 12px;font-size:12px;display:flex}.swipe-left{color:var(--bad);opacity:.55}.swipe-right{color:var(--good);opacity:.55}.swipe-armed{opacity:1;font-weight:500}.answers{gap:8px;display:flex}.answers button{flex:1}.status{min-height:30px;color:var(--text-soft);align-items:center;gap:8px;margin-top:14px;font-size:13px;display:flex}.empty{text-align:center;padding-top:48px}.empty .primary{margin-top:20px}.empty .status{justify-content:center}.deck-chips{gap:6px;margin-bottom:14px;padding-bottom:2px;display:flex;overflow-x:auto}.deck-chip{background:var(--surface-alt);color:var(--text-soft);border:none;border-radius:9px;flex-shrink:0;padding:5px 12px;font-size:12px}button.deck-chip:hover{background:var(--surface-alt);filter:brightness(.97)}.deck-chip-active{background:var(--accent);color:var(--bg)}button.deck-chip-active:hover{background:var(--accent);filter:none}.box-row{border-bottom:1px solid var(--line)}.box-head{text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:14px 2px;display:flex}.box-head:hover:not(:disabled){color:var(--accent);background:0 0}.box-name{align-items:center;font-size:15px;display:flex}.box-meta{align-items:center;gap:12px;display:flex}.box-count{text-align:right;font-variant-numeric:tabular-nums;min-width:24px}.nav{padding:8px 12px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--bg);gap:4px;display:flex;position:sticky;bottom:0}.nav-item{color:var(--text-faint);background:0 0;border:none;flex:1;padding:8px 4px;font-size:13px}.nav-item:hover{background:var(--surface-alt)}.nav-item-active{color:var(--accent);font-weight:500}.nav-badge{background:var(--accent);min-width:18px;color:var(--bg);font-variant-numeric:tabular-nums;border-radius:9px;margin-left:6px;padding:1px 5px;font-size:11px;display:inline-block}