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var(--line);border-radius:10px;padding:12px;margin-top:10px}.progress{height:5px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:12px}.progress>i{display:block;height:100%;background:var(--brand);transition:width .25s ease}.qitem{display:block;width:100%;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px 14px;margin-bottom:10px;cursor:pointer}.qitem .stem-preview{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}.meter{height:6px;background:var(--line);border-radius:99px;overflow:hidden;width:100%}.meter>i{display:block;height:100%;border-radius:99px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{text-align:center;padding:12px 6px}.stat .num{font-size:22px;font-weight:700;letter-spacing:-.02em}.stat 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var(--line);flex:none}.judge-disclaimer{margin-top:10px;border-top:1px dashed var(--line);font-size:12px;line-height:1.6;color:#92400e;background:#fffbeb;border-radius:8px;padding:8px 10px}.spinner.dark{border-color:#6b728059;border-top-color:var(--brand)}.grade-row button.ai-suggest{outline:2px dashed currentColor;outline-offset:2px}.choice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:4px}.choice-btn{padding:18px 0;font-size:20px;font-weight:700;letter-spacing:.04em;border-radius:12px;border:2px solid var(--line);background:#fff;color:var(--ink)}.choice-btn:hover:not(:disabled){border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.choice-btn:active:not(:disabled){transform:scale(.96)}.choice-btn:disabled{opacity:.5}.folder-bar{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}.folder-bar::-webkit-scrollbar{display:none}.folder-bar button{flex:0 0 auto;white-space:nowrap;border-radius:999px;padding:6px 12px;font-size:13px;border:1px solid var(--line);background:#fff;color:var(--ink-soft)}.folder-bar button.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}.folder-count{display:inline-block;margin-left:4px;padding:0 6px;border-radius:99px;background:#00000012;font-size:11px;line-height:16px}.folder-bar button.on .folder-count{background:#ffffff47}.sheet-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#1118276b;display:flex;align-items:flex-end;justify-content:center}.sheet{width:100%;max-width:780px;background:#fff;border-radius:16px 16px 0 0;box-shadow:0 -8px 32px #00000038;max-height:78vh;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}.sheet-head{display:flex;align-items:center;gap:8px;padding:14px 16px 10px;border-bottom:1px solid var(--line)}.sheet-body{overflow-y:auto;padding:8px 12px 16px}.sheet-item{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;border:1px solid var(--line);border-radius:10px;background:#fff;padding:12px 14px;margin-top:8px;font-size:15px}.sheet-item.on{border-color:var(--brand);background:var(--brand-soft);color:var(--brand);font-weight:600}.sheet-item.add{justify-content:center;color:var(--brand);border-style:dashed}.sheet-new{display:flex;gap:6px;margin-top:8px}.sheet-new input{flex:1}.bulk-bar{position:fixed;left:50%;transform:translate(-50%);bottom:calc(72px + env(safe-area-inset-bottom));z-index:40;width:min(752px,calc(100vw - 28px));display:flex;align-items:center;gap:8px;background:#111827;color:#fff;border-radius:12px;padding:10px 12px;box-shadow:0 8px 28px #0000004d}.bulk-bar .small{color:#ffffffd9}.bulk-bar button.primary{background:var(--brand);border-color:var(--brand)}.bulk-bar 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4px}.toast{position:fixed;left:50%;transform:translate(-50%);bottom:calc(84px + env(safe-area-inset-bottom));z-index:60;background:#111827;color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;max-width:90vw;box-shadow:0 10px 30px #00000040}.toast.error{background:var(--bad)}.toast.success{background:var(--ok)}.notice{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:12px}.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite;vertical-align:-2px}@keyframes spin{to{transform:rotate(360deg)}}.empty{text-align:center;padding:40px 16px;color:var(--ink-soft)}.empty .big{font-size:34px;margin-bottom:8px}@media(max-width:420px){.grid3{grid-template-columns:repeat(3,1fr)}.stat .num{font-size:19px}}.boot-splash{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#fff;z-index:100}.boot-logo{font-size:48px}.boot-title{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.05em}.boot-hint{font-size:13px;color:var(--ink-soft)}.mode-banner{position:sticky;top:0;z-index:30;background:linear-gradient(90deg,#eef2ff,#e0e7ff);color:#3730a3;font-size:12px;font-weight:600;text-align:center;padding:5px 10px;border-bottom:1px solid #c7d2fe}.self-test-row{display:flex;gap:8px;align-items:flex-start;padding:8px 0;border-top:1px solid var(--line)}.self-test-dot{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff}.self-test-dot.ok{background:var(--ok, #16a34a)}.self-test-dot.bad{background:var(--bad, #dc2626)}.migrate-box{margin-top:12px}.migrate-bar{height:6px;border-radius:99px;background:var(--line);overflow:hidden;margin:6px 0}.migrate-fill{height:100%;background:var(--brand);border-radius:99px;transition:width .2s ease}.stored-img-loading{display:inline-block;width:120px;height:90px;border-radius:8px;background:linear-gradient(90deg,#f0f0f0,#e4e4e4,#f0f0f0);background-size:200% 100%;animation:img-shimmer 1.2s linear infinite}@keyframes img-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.stored-img-fallback{display:inline-grid;place-items:center;width:120px;height:90px;border:1px dashed var(--line);border-radius:8px;font-size:12px;color:var(--ink-soft)}.stored-img-btn{border:none;background:none;padding:0;cursor:pointer}.warn-banner{position:sticky;top:0;z-index:29;display:flex;align-items:center;gap:8px;background:linear-gradient(90deg,#fef3c7,#fde68a);color:#78350f;font-size:12px;padding:6px 10px;border-bottom:1px solid #fcd34d}.warn-banner button{margin-left:auto;flex:none;border:1px solid #b45309;background:#fff;color:#78350f;border-radius:6px;padding:2px 8px;font-size:12px;font-weight:600}.welcome-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:#fff;overflow-y:auto;-webkit-overflow-scrolling:touch}.welcome{max-width:560px;margin:0 auto;padding:36px 20px calc(32px + env(safe-area-inset-bottom))}.welcome-icon{font-size:52px;text-align:center;margin-bottom:10px}.welcome h1{font-size:23px;text-align:center;margin:0 0 6px;letter-spacing:.02em}.welcome-sub{text-align:center;color:var(--ink-soft);font-size:14px;margin:0 0 24px;line-height:1.7}.welcome-points{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.welcome-point{display:flex;gap:12px;align-items:flex-start}.wp-icon{font-size:22px;flex:none;line-height:1.2}.welcome-point b{display:block;font-size:15px;margin-bottom:2px}.welcome-point .small{line-height:1.6}.welcome-help{background:#f5f5f7;border-radius:12px;padding:12px 14px;margin-bottom:18px;font-size:14px}.welcome-help summary{cursor:pointer;font-weight:600}.welcome-help ol{margin:10px 0 0;padding-left:20px;line-height:2}.welcome-help code{background:#fff;padding:1px 6px;border-radius:4px;font-size:13px}.welcome-result{margin-top:12px;padding:12px;border-radius:10px;font-size:14px;line-height:1.6;text-align:center}.welcome-result.ok{background:#ecfdf5;color:#065f46}.welcome-result.bad{background:#fff1f2;color:#9f1239}.welcome-tip{background:#eef2ff;color:#3730a3;border-radius:10px;padding:12px 14px;font-size:13px;line-height:1.7}