:root{--aict-skeleton-bg: var(--aict-bg-soft, #f1f5f9);--aict-skeleton-bg-light: var(--aict-border, #e2e8f0);--aict-skeleton-radius: 4px;--aict-empty-fg: var(--aict-bg-elevated, #1e293b);--aict-empty-fg-muted: var(--aict-text-soft, #64748b);--aict-empty-accent: var(--aict-pro-from, #5c5fe6);--aict-empty-accent-hover: var(--aict-pro-from, #4f46e5)}@media(prefers-color-scheme:dark){:root{--aict-skeleton-bg: var(--aict-bg-elevated, #1e293b);--aict-skeleton-bg-light: var(--aict-border, #334155);--aict-empty-fg: var(--aict-bg-soft, #f1f5f9);--aict-empty-fg-muted: var(--aict-text-soft, #94a3b8)}}.aict-skeleton{background:linear-gradient(90deg,var(--aict-skeleton-bg) 25%,var(--aict-skeleton-bg-light) 50%,var(--aict-skeleton-bg) 75%);background-size:200% 100%;animation:aict-shimmer 1.5s linear infinite;border-radius:var(--aict-skeleton-radius);display:block}@keyframes aict-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){.aict-skeleton,.aict-typing-dot,.aict-skeleton-card,.aict-skeleton-line,.aict-skeleton-title,.aict-skeleton-meta,.aict-skeleton-thumb,.aict-skeleton-btn,.aict-skeleton-tile,.aict-skeleton-step-num{animation:none!important;opacity:.5}}.aict-skeleton-card{width:100%;border-radius:8px}.aict-skeleton-line{height:12px;margin-bottom:8px;width:100%}.aict-skeleton-title{height:22px;margin-bottom:8px;border-radius:5px}.aict-skeleton-meta{height:12px;border-radius:3px}.aict-skeleton-subhead{height:18px;margin-bottom:8px;border-radius:4px}.aict-skeleton-thumb{width:100%;height:120px;border-radius:6px}.aict-skeleton-btn{width:96px;height:36px;border-radius:6px}.aict-skeleton-step-num{width:36px;height:36px;border-radius:50%;flex-shrink:0}.aict-skeleton-tile-num{width:60%;height:28px;border-radius:4px;margin:8px 0;background:linear-gradient(90deg,var(--aict-skeleton-bg) 25%,var(--aict-skeleton-bg-light) 50%,var(--aict-skeleton-bg) 75%);background-size:200% 100%;animation:aict-shimmer 1.5s linear infinite}.aict-skeleton-text-lines{display:block}.aict-skeleton-table{width:100%;border-collapse:collapse}.aict-skeleton-table td{padding:10px 8px;border-bottom:1px solid var(--aict-skeleton-bg)}.aict-skeleton-blog-post{padding:8px 0}.aict-skeleton-search-results{display:flex;flex-direction:column;gap:14px}.aict-skeleton-search-card{padding:14px 16px;border:1px solid var(--aict-skeleton-bg);border-radius:8px}.aict-skeleton-marketplace-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.aict-skeleton-mp-card{padding:12px;border:1px solid var(--aict-skeleton-bg);border-radius:10px;background:var(--aict-bg, #fff)}@media(prefers-color-scheme:dark){.aict-skeleton-mp-card,.aict-skeleton-sub-card,.aict-skeleton-tile{background:var(--aict-text, #0f172a);border-color:var(--aict-skeleton-bg-light)}}.aict-skeleton-tutor{display:flex;flex-direction:column;gap:12px}.aict-skeleton-tutor-step{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border:1px solid var(--aict-skeleton-bg);border-radius:8px}.aict-skeleton-tutor-body{flex:1}.aict-skeleton-sub-card{padding:20px;border:1px solid var(--aict-skeleton-bg);border-radius:10px;background:var(--aict-bg, #fff);max-width:480px}.aict-skeleton-sub-buttons{display:flex;gap:10px;margin-top:14px}.aict-skeleton-dashboard-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}.aict-skeleton-tile{padding:16px;border:1px solid var(--aict-skeleton-bg);border-radius:10px;background:var(--aict-bg, #fff)}.aict-skeleton-chat-bubble{display:inline-flex;align-items:center;gap:5px;padding:10px 14px;border-radius:18px;background:var(--aict-skeleton-bg);max-width:80px}.aict-typing-dot{width:7px;height:7px;border-radius:50%;background:var(--aict-empty-accent);animation:aict-typing-bounce 1.2s infinite;opacity:.4}.aict-typing-dot:nth-child(2){animation-delay:.2s}.aict-typing-dot:nth-child(3){animation-delay:.4s}@keyframes aict-typing-bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}.aict-skeleton-discover{display:flex;flex-direction:column;gap:10px;padding:12px 16px}.aict-empty-state{text-align:center;padding:36px 20px;max-width:460px;margin:0 auto;color:var(--aict-empty-fg)}.aict-empty-state-illustration{display:flex;justify-content:center;margin-bottom:16px}.aict-empty-state-illustration svg{width:120px;height:120px}.aict-empty-state-icon{font-size:48px;line-height:1;margin-bottom:12px}.aict-empty-state-title{font-size:18px;font-weight:700;margin:0 0 8px;color:var(--aict-empty-fg)}.aict-empty-state-subtitle{font-size:14px;color:var(--aict-empty-fg-muted);margin:0 0 18px;line-height:1.5}.aict-empty-state-actions{display:inline-flex;flex-wrap:wrap;gap:8px;justify-content:center}.aict-empty-state-btn{display:inline-block;padding:9px 18px;border-radius:6px;font-size:14px;font-weight:600;text-decoration:none;transition:background-color var(--aict-transition-fast),transform var(--aict-transition-fast);cursor:pointer;border:1px solid transparent}.aict-empty-state-btn-primary{background:var(--aict-empty-accent);color:var(--aict-bg, #fff)}.aict-empty-state-btn-primary:hover{background:var(--aict-empty-accent-hover);color:var(--aict-bg, #fff);transform:translateY(-1px)}.aict-empty-state-btn-secondary{background:transparent;color:var(--aict-empty-accent);border-color:var(--aict-empty-accent)}.aict-empty-state-btn-secondary:hover{background:var(--aict-empty-accent);color:var(--aict-bg, #fff)}.aict-skeleton-fade-out{animation:aict-fade-out var(--aict-motion-fast) ease forwards}.aict-skeleton-fade-in{animation:aict-fade-in var(--aict-motion-fast) ease forwards}@keyframes aict-fade-out{to{opacity:0}}@keyframes aict-fade-in{0%{opacity:0}to{opacity:1}}@media(max-width:640px){.aict-empty-state{padding:24px 12px}.aict-empty-state-illustration svg{width:96px;height:96px}.aict-empty-state-title{font-size:16px}.aict-skeleton-marketplace-grid,.aict-skeleton-dashboard-tiles{grid-template-columns:1fr}}