.bi-page{min-height:100vh;padding:6rem 0 4rem}.bi-container{max-width:960px;margin:0 auto;padding:0 1rem}@media (min-width:640px){.bi-container{padding:0 1.5rem}}.bi-breadcrumb{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--secondary-text,#6b7280);margin-bottom:2rem}.bi-breadcrumb a{color:var(--accent,#00d4ff);text-decoration:none}.bi-header{margin-bottom:2rem}.bi-title{font-size:clamp(28px,3.5vw,40px);font-weight:800;color:var(--primary-text,#1f2937);margin:0 0 .5rem;letter-spacing:-.02em}.bi-subtitle{font-size:16px;color:var(--secondary-text,#6b7280);line-height:1.7;max-width:520px}.bi-search-wrap{position:relative;margin-bottom:1.25rem}.bi-search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--secondary-text);pointer-events:none}.bi-search-input{width:100%;padding:14px 14px 14px 42px;border:2px solid var(--border,#e5e7eb);border-radius:12px;font-size:.95rem;font-family:inherit;color:var(--primary-text);background:var(--card-bg,#ffffff);outline:none;transition:border-color .2s}.bi-search-input:focus{border-color:var(--accent,#00d4ff)}.bi-search-input::placeholder{color:var(--muted-text,#9ca3af)}.bi-tabs{display:flex;gap:6px;margin-bottom:1.5rem;overflow-x:auto;-webkit-overflow-scrolling:touch}.bi-tab{padding:10px 18px;border:2px solid var(--border,#e5e7eb);border-radius:10px;background:transparent;font-size:.85rem;font-weight:600;color:var(--secondary-text,#6b7280);cursor:pointer;transition:all .15s;font-family:inherit;white-space:nowrap;display:flex;flex-direction:column;align-items:center;gap:2px}.bi-tab--active{background:rgba(0,212,255,.06);color:var(--accent,#00d4ff)}.bi-tab--active,.bi-tab:hover{border-color:var(--accent,#00d4ff)}.bi-tab-desc{font-size:.65rem;font-weight:500;opacity:.7}.bi-count{font-size:.8rem;margin-bottom:1rem;font-weight:500}.bi-count,.bi-empty{color:var(--secondary-text)}.bi-empty{text-align:center;padding:3rem 0}.bi-groups{display:flex;flex-direction:column;gap:2rem}.bi-group-letter{font-family:Space Mono,monospace;font-size:1.2rem;font-weight:700;color:var(--accent,#00d4ff);margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:2px dashed var(--border,#e5e7eb)}.bi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:10px;gap:10px}.bi-card{display:flex;flex-direction:column;gap:6px;padding:14px 16px;background:var(--card-bg,#ffffff);border:1px solid var(--border,#e5e7eb);border-radius:10px;text-decoration:none;transition:all .2s ease}.bi-card:hover{border-color:var(--accent,#00d4ff);transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,212,255,.08)}.bi-card-name{font-size:.9rem;font-weight:700;color:var(--primary-text,#1f2937)}.bi-card-meta{display:flex;align-items:center;gap:8px}.bi-card-weight{font-family:Space Mono,monospace;font-size:.7rem;color:var(--secondary-text)}.bi-size-pill{font-size:.6rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;border-radius:100px}.bi-size-pill--small{background:#ecfdf5;color:#059669;border:1px solid #a7f3d0}.bi-size-pill--medium{background:#eff6ff;color:#2563eb;border:1px solid #bfdbfe}.bi-size-pill--large{background:#fef3c7;color:#d97706;border:1px solid #fde68a}.bi-size-pill--giant{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}[data-theme=dark] .bi-size-pill--small{background:rgba(5,150,105,.15);border-color:rgba(5,150,105,.3)}[data-theme=dark] .bi-size-pill--medium{background:rgba(37,99,235,.15);border-color:rgba(37,99,235,.3)}[data-theme=dark] .bi-size-pill--large{background:rgba(217,119,6,.15);border-color:rgba(217,119,6,.3)}[data-theme=dark] .bi-size-pill--giant{background:rgba(220,38,38,.15);border-color:rgba(220,38,38,.3)}@media (max-width:640px){.bi-page{padding-top:5rem}.bi-grid{grid-template-columns:1fr}.bi-tabs{gap:4px}.bi-tab{padding:8px 14px;font-size:.8rem}}