:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,sans-serif;background:#0f1419;color:#e7e9ea;--accent: #1d9bf0;--border: rgba(255, 255, 255, .08);--surface: #16181c;--surface-hover: #1c1f23;--text-secondary: #71767b;--text-tertiary: #536471}*{box-sizing:border-box;margin:0}body{margin:0;min-height:100vh}.dict-app{display:grid;grid-template-columns:360px 1fr;height:100vh}.search-column{display:flex;flex-direction:column;border-right:1px solid var(--border);height:100vh;overflow:hidden}.search-header{padding:20px 20px 0}.search-header h1{font-size:20px;font-weight:700;color:#e7e9ea}.search-input-wrap{padding:12px;position:relative}.search-input{width:100%;padding:10px 14px;border-radius:8px;border:1px solid var(--border);background:#ffffff08;color:#e7e9ea;font-size:15px;outline:none;transition:border-color .15s,background .15s}.search-input:focus{border-color:var(--accent);background:#1d9bf00a}.search-input::placeholder{color:var(--text-tertiary)}.search-spinner{position:absolute;right:32px;top:50%;transform:translateY(-50%);width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:translateY(-50%) rotate(360deg)}}.result-list{flex:1;overflow-y:auto;padding:0 8px 12px}.result-item{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:0 10px;width:100%;padding:10px 12px;border:none;border-radius:8px;background:transparent;color:inherit;text-align:left;cursor:pointer;transition:background .1s}.result-item:hover{background:var(--surface-hover)}.result-item.active{background:var(--surface);outline:1px solid rgba(29,155,240,.3)}.result-word{font-weight:600;font-size:15px;grid-column:1;grid-row:1}.result-phonetic{font-size:13px;color:var(--text-secondary);grid-column:2;grid-row:1;text-align:right}.result-brief{font-size:13px;color:var(--text-secondary);grid-column:1 / -1;grid-row:2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.no-results{padding:20px;text-align:center;color:var(--text-secondary)}.detail-column{height:100vh;overflow-y:auto;padding:40px 48px}.detail-loading{color:var(--text-secondary);padding:40px}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary);font-size:16px}.entry-detail{max-width:680px}.entry-header{margin-bottom:16px}.entry-word{font-size:36px;font-weight:700;margin-bottom:8px}.entry-meta-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.collins-stars{color:#f5a623;font-size:14px;letter-spacing:1px}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge.oxford{background:#1d9bf026;color:#1d9bf0}.badge.tag{background:#ffffff0f;color:var(--text-secondary)}.phonetic-row{display:flex;gap:20px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.phonetic-item{display:flex;align-items:center;gap:6px}.phonetic-btn{border:none;background:transparent;padding:2px 0;cursor:pointer;color:inherit}.phonetic-btn:hover .phonetic-value{color:var(--accent)}.phonetic-speaker{color:var(--accent);opacity:.6;transition:opacity .1s;vertical-align:middle}.phonetic-btn:hover .phonetic-speaker{opacity:1}.phonetic-label{font-size:12px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase}.phonetic-value{font-size:15px;color:#c4cad0;font-family:Noto Sans,sans-serif}.entry-section{margin-bottom:24px}.entry-section h3{font-size:13px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}.definition-list{display:grid;gap:6px}.def-item{display:flex;gap:10px;line-height:1.6;font-size:15px}.def-item dt{color:var(--accent);font-weight:600;font-size:13px;min-width:22px;padding-top:3px;flex-shrink:0;text-align:right}.def-item dd{margin:0;color:#d6dce4}.definition-list.en .def-item dt{color:#7da7ff}.definition-list.en .def-item dd{color:#a8b3bf}.exchange-list{display:flex;flex-wrap:wrap;gap:10px 20px}.exchange-item{display:flex;align-items:center;gap:6px}.exchange-label{font-size:13px;color:var(--text-secondary)}.exchange-words{display:flex;gap:4px}.exchange-link{color:var(--accent);text-decoration:none;font-size:14px;padding:2px 6px;border-radius:4px;transition:background .1s}.exchange-link:hover{background:#1d9bf01a;text-decoration:underline}.freq-row{display:flex;gap:20px}.freq-item{font-size:14px;color:var(--text-secondary)}.freq-item strong{color:#e7e9ea}@media(max-width:768px){.dict-app{grid-template-columns:1fr;grid-template-rows:auto 1fr;height:auto}.search-column{height:auto;max-height:50vh;border-right:none;border-bottom:1px solid var(--border)}.detail-column{height:auto;padding:24px 20px}}