:root{--primary: #4f6ef7;--primary-dark: #3d5af1;--review: #f59e0b;--bg: #f4f6fb;--card: #ffffff;--text: #1f2430;--text-2: #6b7280;--line: #e5e8f0;--danger: #ef4444;--success: #16a34a;--radius: 16px;--shadow: 0 2px 12px rgba(31, 36, 48, .06)}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;user-select:none}.app{max-width:480px;margin:0 auto;min-height:100dvh;padding-bottom:env(safe-area-inset-bottom)}.screen{display:flex;flex-direction:column;min-height:100dvh;padding:16px 16px calc(16px + env(safe-area-inset-bottom))}.app-header{padding:20px 4px 12px}.app-header h1{font-size:26px;font-weight:700}.app-header .subtitle{margin-top:4px;color:var(--text-2);font-size:13px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}.card-title{font-size:15px;font-weight:600;margin-bottom:12px}.field-label{font-size:13px;color:var(--text-2);margin:12px 0 8px}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:999px;padding:8px 16px;font-size:14px;cursor:pointer;transition:all .15s}.chip:active{transform:scale(.96)}.chip-active{background:var(--primary);border-color:var(--primary);color:#fff}.chip-custom{display:flex;align-items:center;gap:6px}.chip-custom input{width:56px;border:none;outline:none;background:transparent;font-size:14px;color:var(--text);text-align:center}.mode-toggle{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}.mode-toggle button{flex:1;border:none;background:var(--card);color:var(--text-2);padding:10px 0;font-size:14px;cursor:pointer;transition:all .15s}.mode-toggle button+button{border-left:1px solid var(--line)}.mode-toggle button.active{background:#eef2ff;color:var(--primary);font-weight:600}.today-progress{margin-top:16px}.progress-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-2);margin-bottom:6px}.badge-done{color:var(--success);font-weight:600}.progress-bar{height:8px;background:var(--line);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--primary);border-radius:999px;transition:width .25s ease}.actions{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}.btn{border:none;border-radius:14px;font-size:16px;font-weight:600;cursor:pointer;transition:all .15s;position:relative}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;cursor:default;transform:none}.btn-big{padding:16px;width:100%}.btn-primary{background:var(--primary);color:#fff}.btn-primary:not(:disabled):active{background:var(--primary-dark)}.btn-review{background:#fff7e8;color:#b45309;border:1px solid #fde3b3}.btn-danger{background:#fee2e2;color:var(--danger);flex:1;padding:14px}.btn-ghost{background:var(--card);color:var(--primary);border:1px solid var(--primary)}.btn-badge{position:absolute;right:14px;top:50%;transform:translateY(-50%);background:var(--review);color:#fff;font-size:13px;border-radius:999px;padding:2px 9px}.rate-row{display:flex;gap:10px}.link-btn{border:none;background:transparent;color:var(--text-2);font-size:13px;cursor:pointer;padding:4px 0}.note{font-size:12px;color:var(--text-2);margin-top:10px;line-height:1.6}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stat{display:flex;flex-direction:column;align-items:center;padding:8px 0}.stat-num{font-size:22px;font-weight:700;color:var(--primary)}.stat-label{font-size:12px;color:var(--text-2);margin-top:2px}.screen-header{display:flex;justify-content:space-between;align-items:center;padding:8px 0 12px}.header-title{font-size:15px;font-weight:600}.header-right{font-size:12px;color:var(--text-2);min-width:56px;text-align:right}.word-card{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px 24px;margin:16px 0;min-height:340px}.word-card-clickable{cursor:pointer}.word-card-clickable:active{transform:scale(.99)}.word-head{display:flex;align-items:center;gap:12px}.word-text{font-weight:700;letter-spacing:.5px;text-align:center;white-space:nowrap;max-width:100%;overflow:hidden}.speak-btn{border:none;background:#eef2ff;border-radius:50%;width:44px;height:44px;font-size:18px;cursor:pointer;flex-shrink:0}.speak-btn:active{transform:scale(.92)}.word-phonetic{display:flex;gap:14px;margin-top:14px;font-size:14px;color:var(--text-2)}.word-divider{width:100%;height:1px;background:var(--line);margin:24px 0}.word-translation{width:100%;text-align:center;min-height:110px;display:flex;align-items:center;justify-content:center}.trans-text{font-size:19px;line-height:1.9;color:var(--text);animation:fade-in .25s ease}.trans-mask{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--text-2)}.mask-icon{font-size:26px;opacity:.5}.mask-text{font-size:13px}@keyframes 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var(--line)}.result-item:last-child{border-bottom:none}.result-word{font-size:18px;font-weight:700}.result-word-row{display:flex;align-items:center;gap:8px}.cet6-badge{display:inline-block;background:#eef2ff;color:var(--primary);font-size:11px;font-weight:600;border-radius:6px;padding:2px 7px;line-height:1.4;vertical-align:middle;white-space:nowrap}.detail-cet6-tag{text-align:center;margin-top:8px}.result-phonetic{font-size:12px;color:var(--text-2)}.result-trans{font-size:14px;line-height:1.7}.detail-card{margin-bottom:14px}.detail-head{display:flex;align-items:center;justify-content:center;gap:12px}.detail-word{font-weight:700;white-space:nowrap;max-width:100%;overflow:hidden}.detail-card .word-divider{margin:20px 0}.detail-senses p{font-size:17px;line-height:2;text-align:center}.sim-list{display:flex;flex-direction:column;gap:8px}.sim-item{display:flex;align-items:baseline;gap:10px;border:none;background:#f7f8fc;border-radius:10px;padding:10px 14px;cursor:pointer;text-align:left}.sim-item:active{transform:scale(.98)}.sim-word{font-weight:600;min-width:104px;white-space:nowrap}.sim-trans{font-size:13px;color:var(--text-2);line-height:1.5}.row-btns{display:flex;gap:10px;margin-bottom:14px}.row-btns .btn{flex:1;padding:12px 8px;font-size:14px}.add-row{display:flex;gap:10px;margin-bottom:10px}.add-input{flex:1;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:16px;outline:none;background:var(--bg);color:var(--text)}.add-input:focus{border-color:var(--primary);background:var(--card)}.add-btn{padding:0 22px;flex-shrink:0}.add-msg{font-size:14px;color:var(--success)}.add-msg-error{color:var(--danger)}.queue-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.queue-item:last-child{border-bottom:none}.queue-word{font-weight:600;min-width:110px}.queue-trans{flex:1;font-size:13px;color:var(--text-2);line-height:1.5}.queue-remove{position:static;transform:none;flex-shrink:0}.pool-tabs{margin-bottom:14px}.pool-list-card{padding:12px 16px}.pool-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.pool-item-clickable{cursor:pointer;user-select:none}.pool-item:last-child{border-bottom:none}.pool-check{width:22px;height:22px;flex-shrink:0;display:flex;align-items:center;justify-content:center}.pool-check input{position:absolute;opacity:0;width:0;height:0}.pool-check-box{width:20px;height:20px;border:2px solid var(--line);border-radius:6px;display:inline-block;cursor:pointer;transition:all .15s}.pool-check input:checked+.pool-check-box{background:var(--primary);border-color:var(--primary)}.pool-check input:checked+.pool-check-box:after{content:"✓";color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;height:100%}.pool-word{font-weight:600;min-width:96px;display:flex;align-items:center;gap:6px}.pool-trans{flex:1;font-size:13px;color:var(--text-2);line-height:1.5}.load-more{margin-top:10px;font-size:14px}.pool-bottom{position:sticky;bottom:calc(8px + env(safe-area-inset-bottom));display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:12px;background:var(--bg);padding:8px 0}.pool-bottom .btn{padding:12px 22px;font-size:15px}.btn-passage{background:linear-gradient(135deg,#7c5cf0,#4f6ef7);color:#fff}.btn-passage:not(:disabled):active{background:linear-gradient(135deg,#6b4be0,#3d5af1)}.word-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.word-chip{display:inline-flex;align-items:center;gap:6px;background:#eef2ff;color:var(--primary);border-radius:999px;padding:6px 8px 6px 14px;font-size:14px;font-weight:600}.chip-x{border:none;background:#4f6ef726;color:var(--primary);width:18px;height:18px;border-radius:50%;font-size:10px;cursor:pointer;line-height:1}.passage-banner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px;font-size:13px}.banner-ai{background:#e8f7ee;color:var(--success);border-radius:6px;padding:3px 10px;font-weight:600}.banner-offline{background:#fff7e8;color:#b45309;border-radius:6px;padding:3px 10px;font-weight:600}.banner-reason{color:var(--text-2)}.sentence-list{list-style:none;counter-reset:sentence}.sentence-item{padding:2px 0}.sentence-row{display:flex;align-items:flex-start;gap:8px}.sentence-en{flex:1;border:none;background:none;text-align:justify;font-size:17px;line-height:1.95;color:var(--text);cursor:pointer;font-family:inherit}.sentence-speak{border:none;background:#eef2ff;border-radius:50%;width:30px;height:30px;font-size:13px;cursor:pointer;flex-shrink:0}.sentence-zh{margin:2px 0 8px;font-size:14px;color:var(--text-2);line-height:1.8;animation:fade-in .2s ease}mark.highlight{background:#fff3c2;color:#92400e;font-weight:700;border-radius:4px;padding:1px 3px}.settings-box{margin-top:0}.settings-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;border:none;background:none;cursor:pointer;font-size:14px;color:var(--text-2)}.settings-toggle .card-title{margin-bottom:0}.settings-field{display:flex;align-items:center;gap:10px;margin:10px 0}.settings-label{font-size:13px;color:var(--text-2);min-width:64px;flex-shrink:0}.settings-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin:8px 0;cursor:pointer}.settings-box a{color:var(--primary)}.btn-mini{padding:9px 16px;font-size:13px;border-radius:10px}.key-masked{-webkit-text-security:disc}