.aiper-cat-page{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 3rem;font-family:system-ui,sans-serif}
.aiper-cat-header{margin-bottom:1.75rem}
.aiper-cat-title{font-size:2rem;font-weight:800;color:#111827;margin:0 0 .35rem}
.aiper-cat-desc{font-size:.95rem;color:#6b7280;max-width:640px}
.aiper-pillar-nav{margin-bottom:2rem}
.aiper-pillar-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#6b7280;margin:0 0 .75rem}
.aiper-pillar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:.75rem}
.aiper-pillar-card{display:flex;flex-direction:column;gap:.25rem;padding:1rem 1.1rem;border-radius:10px;border:1px solid #e5e7eb;background:#fff;text-decoration:none;transition:border-color .15s,box-shadow .15s}
.aiper-pillar-card:hover{border-color:#1ecad3;box-shadow:0 2px 12px rgba(30,202,211,.12)}
.aiper-pillar-name{font-size:.9rem;font-weight:600;color:#1f2937}
.aiper-pillar-count{font-size:.75rem;color:#6b7280}
.aiper-cat-layout{display:flex;gap:2rem;align-items:flex-start}
.aiper-cat-sidebar{width:260px;flex-shrink:0;position:sticky;top:1.5rem;max-height:calc(100vh-3rem);overflow-y:auto}
.aiper-filters{border:1px solid rgba(148,134,247,.18);border-radius:12px;padding:1.25rem;background:linear-gradient(180deg,rgba(30,202,211,.03)0%,rgba(148,134,247,.03)100%)}
.aiper-filter-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid rgba(30,202,211,.15)}
.aiper-filter-heading{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#6b7280}
.aiper-filter-block{margin-bottom:1.5rem;padding-bottom:1.25rem;border-bottom:1px solid rgba(30,202,211,.1)}
.aiper-filter-block:last-of-type{margin-bottom:.75rem;padding-bottom:0;border-bottom:none}
.aiper-filter-title{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin:0 0 .6rem;color:#0b6e77}
.aiper-filter-list{list-style:none;margin:0;padding:0}
.aiper-filter-option{display:flex;justify-content:space-between;align-items:center;width:100%;padding:.4rem .6rem;border-radius:6px;border:none;background:transparent;font-size:.85rem;color:#374151;text-decoration:none;transition:background .12s,color .12s;cursor:pointer;font-family:inherit;text-align:left}
.aiper-filter-option:hover{background:rgba(30,202,211,.06)}
.aiper-filter-option.is-active{background:linear-gradient(135deg,rgba(30,202,211,.12),rgba(148,134,247,.12));color:#0b6e77;font-weight:600;border-left:3px solid #1ecad3;padding-left:.45rem}
.aiper-filter-count{font-size:.72rem;color:#6b7280;background:rgba(30,202,211,.08);padding:.1rem .45rem;border-radius:999px;min-width:1.5em;text-align:center}
.aiper-filter-option.is-active .aiper-filter-count{background:linear-gradient(135deg,rgba(30,202,211,.2),rgba(148,134,247,.2));color:#0b6e77;font-weight:600}
.aiper-filter-year-group{list-style:none}
.aiper-filter-year-toggle{display:flex;align-items:center;gap:.35rem;width:100%;padding:.4rem .5rem;border:none;border-radius:6px;background:transparent;font-size:.85rem;color:#374151;cursor:pointer}
.aiper-filter-year-toggle:hover{background:rgba(148,134,247,.06)}
.aiper-year-caret{display:inline-block;font-size:.65rem;transition:transform .15s;color:#9486f7;width:.85em}
.aiper-filter-year-toggle.is-expanded .aiper-year-caret{transform:rotate(90deg)}
.aiper-filter-months{display:none;list-style:none;margin:0 0 0 1.2rem;padding:0}
.aiper-filter-months.is-visible{display:block}
.aiper-filter-month{font-size:.82rem;padding:.25rem .5rem;width:100%;border:none;background:transparent;font-family:inherit;text-align:left}
.aiper-filter-clear{font-size:.72rem;color:#ef4444;text-decoration:none;font-weight:500;white-space:nowrap}
.aiper-filter-clear:hover{text-decoration:underline}
.aiper-active-chips{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem}
.aiper-chips-label{font-size:.78rem;color:#6b7280;font-weight:500}
.aiper-chip{display:inline-flex;align-items:center;gap:.3rem;padding:.25rem .6rem .25rem .7rem;border-radius:999px;font-size:.78rem;font-weight:500;text-decoration:none;background:linear-gradient(135deg,rgba(30,202,211,.1),rgba(148,134,247,.1));color:#0b6e77;border:1px solid rgba(30,202,211,.25)}
.aiper-chip:hover{background:linear-gradient(135deg,rgba(30,202,211,.18),rgba(148,134,247,.18))}
.aiper-chip-x{font-size:.85rem;font-weight:400;color:#9486f7;line-height:1}
.aiper-chip-clear{font-size:.76rem;color:#ef4444;text-decoration:none;margin-left:.25rem}
.aiper-chip-clear:hover{text-decoration:underline}
.aiper-cat-main{flex:1;min-width:0}
.aiper-cat-toolbar{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;padding-bottom:.75rem;border-bottom:1px solid rgba(30,202,211,.1)}
.aiper-filter-toggle{display:none;align-items:center;gap:.35rem;padding:.55rem 1rem;min-height:44px;border-radius:8px;border:0;background:linear-gradient(135deg,#1ecad3,#9486f7);color:#1a202c;font-size:.85rem;font-weight:600;cursor:pointer}
.aiper-filter-toggle:hover{filter:brightness(1.06);box-shadow:0 4px 14px rgba(148,134,247,.35)}.aiper-filter-toggle:focus,.aiper-filter-toggle:active{color:#1a202c}
.aiper-filter-toggle-icon{font-size:.9rem}
.aiper-sort-bar-wrap{margin-bottom:1rem}
.aiper-sort-bar{display:flex;align-items:center;gap:.5rem;font-size:.85rem}
.aiper-sort-label{color:#6b7280;font-weight:500;margin-right:.25rem}
.aiper-sort-select-wrap{position:relative;display:inline-flex;align-items:center}
.aiper-sort-select{appearance:none;-webkit-appearance:none;padding:.35rem 2rem .35rem .7rem;border-radius:6px;border:1px solid rgba(30,202,211,.25);background:#fff;font-size:.85rem;color:#374151;cursor:pointer;outline:none;min-width:140px}
.aiper-sort-select:focus{border-color:#1ecad3;box-shadow:0 0 0 3px rgba(30,202,211,.12)}
.aiper-sort-select-arrow{position:absolute;right:.55rem;top:50%;transform:translateY(-50%);font-size:.6rem;color:#9486f7;pointer-events:none}
.aiper-article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}
.aiper-article-card{border:1px solid #e5e7eb;border-radius:10px;overflow:hidden;background:#fff;transition:border-color .15s,box-shadow .15s}
.aiper-article-card:hover{border-color:rgba(30,202,211,.3);box-shadow:0 2px 16px rgba(30,202,211,.08)}
.aiper-card-link{display:block;text-decoration:none;color:inherit}
.aiper-card-thumb{aspect-ratio:16/9;overflow:hidden;background:#f3f4f6}
.aiper-card-img{width:100%;height:100%;object-fit:cover}
.aiper-card-body{padding:1rem 1.1rem 1.1rem}
.aiper-card-title{font-size:.95rem;font-weight:600;color:#111827;line-height:1.35;margin:0 0 .4rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.aiper-card-excerpt{font-size:.8rem;color:#6b7280;line-height:1.45;margin:0 0 .6rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.aiper-card-meta{display:flex;align-items:center;gap:.5rem;font-size:.75rem;color:#6b7280}
.aiper-card-badge{font-size:.65rem;font-weight:600;padding:.15rem .5rem;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}
.badge-howto{background:rgba(30,202,211,.12);color:#0b6e77}
.badge-comparison{background:rgba(148,134,247,.12);color:#5b4bc4}
.aiper-cat-empty{text-align:center;padding:3rem 1rem;color:#6b7280}
.aiper-cat-empty-link{color:#0b6e77;text-decoration:none;font-weight:600;font-size:.9rem}
.aiper-pagination{display:flex;align-items:center;justify-content:center;gap:1rem;margin-top:1.5rem;padding-top:1rem;border-top:1px solid rgba(148,134,247,.1)}
.aiper-page-btn{display:inline-flex;align-items:center;min-height:44px;font-size:.9rem;font-weight:600;color:#1a202c;text-decoration:none;padding:.4rem 1.1rem;border:0;border-radius:8px;background:linear-gradient(135deg,#1ecad3,#9486f7)}
.aiper-page-btn:hover{filter:brightness(1.06);box-shadow:0 4px 14px rgba(148,134,247,.35);color:#1a202c}.aiper-page-btn:focus,.aiper-page-btn:active{color:#1a202c}
.aiper-cat-meta-info{text-align:center;font-size:.78rem;color:#6b7280;margin-top:.5rem}
.aiper-cat-list.is-loading{opacity:.5;pointer-events:none}
@media(max-width:1023px){.aiper-cat-layout{flex-direction:column}.aiper-cat-sidebar{position:static;width:100%;max-height:none;display:none}.aiper-cat-sidebar.is-open{display:block}.aiper-filter-toggle{display:inline-flex}.aiper-cat-toolbar{display:flex}}
@media(max-width:767px){.aiper-cat-page{padding:1rem}.aiper-cat-title{font-size:1.5rem}.aiper-pillar-grid{grid-template-columns:repeat(2,1fr)}.aiper-article-grid{grid-template-columns:1fr}}

.aiper-cat-page .aiper-cat-title,.aiper-cat-page .aiper-card-title{font-family:var(--font-head)}
.aiper-cat-page{font-family:inherit}