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24px;display:flex;flex-direction:column}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:.875rem;font-weight:600;cursor:pointer;text-decoration:none;transition:all var(--transition-speed) ease}.btn:hover{border-color:var(--accent-color);background-color:var(--bg-tertiary)}.search-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;flex-grow:1;text-align:center;padding-bottom:12vh;animation:fadeIn .4s ease-out}.search-title{font-size:3.5rem;font-weight:900;margin-bottom:16px;background:linear-gradient(135deg,#60a5fa,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.search-subtitle{font-size:1.15rem;color:var(--text-secondary);margin-bottom:44px;max-width:500px;line-height:1.6}.search-box-large{position:relative;width:100%;max-width:600px}.search-input-large{width:100%;padding:18px 24px 18px 56px;background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:16px;color:var(--text-primary);font-size:1.15rem;transition:all var(--transition-speed) ease;box-shadow:0 10px 30px rgba(0,0,0,.25)}.search-input-large:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 4px var(--accent-light),0 10px 30px rgba(0,0,0,.25)}.search-icon-large{position:absolute;left:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--text-secondary);pointer-events:none}.search-notification{margin-top:24px;padding:12px 24px;background-color:rgba(239,68,68,.12);border:1px solid var(--danger-color);border-radius:8px;color:#f87171;font-size:.9rem;font-weight:500;display:flex;align-items:center;gap:8px;animation:shake .3s ease-in-out}.list-screen{display:flex;flex-direction:column;gap:36px;animation:fadeIn .4s ease-out}.list-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:24px}.list-info{display:flex;flex-direction:column;gap:6px}.list-title{font-size:1.75rem;font-weight:800}.list-count{font-size:.9rem;color:var(--text-secondary)}.concept-table-list{display:flex;flex-direction:column;gap:12px}.concept-row-card{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;text-decoration:none;color:var(--text-primary);transition:all var(--transition-speed) ease}.concept-row-card:hover{border-color:var(--accent-color);transform:translateX(4px);box-shadow:0 4px 20px rgba(59,130,246,.08)}.concept-row-title{font-size:1.1rem;font-weight:700;color:#fff}.concept-row-timestamp{font-size:.9rem;color:var(--text-secondary);font-family:monospace}.detail-screen{display:flex;flex-direction:column;gap:36px;animation:fadeIn .4s ease-out}.detail-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:24px}.metadata-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:32px;box-shadow:0 4px 20px rgba(0,0,0,.15)}.metadata-title{font-size:2.25rem;font-weight:800;margin-bottom:12px;color:#fff;line-height:1.3}.metadata-description{font-size:1.05rem;color:var(--text-secondary);margin-bottom:24px;line-height:1.6}.metadata-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:20px;gap:20px;border-top:1px solid var(--border-color);padding-top:24px;font-size:.875rem}.metadata-item{display:flex;flex-direction:column;gap:6px}.metadata-label{color:var(--text-secondary);font-size:.75rem;text-transform:uppercase;font-weight:700;letter-spacing:.05em}.metadata-value{color:#fff;font-weight:600}.category-list,.tag-list{display:flex;flex-wrap:wrap;gap:6px}.tag-item{background-color:var(--bg-tertiary);color:#60a5fa}.category-item,.tag-item{padding:3px 10px;border-radius:6px;font-size:.75rem;font-weight:600}.category-item{background-color:rgba(16,185,129,.15);color:#34d399}.markdown-body{line-height:1.85;font-size:1.1rem;color:var(--text-primary)}.markdown-body 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blockquote.alert-tip{border-left-color:var(--success-color);background-color:rgba(16,185,129,.05)}.markdown-body blockquote.alert-warning{border-left-color:var(--warning-color);background-color:rgba(245,158,11,.05)}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}