.btn-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#ffffff;border-radius:50%;animation:btn-spin .7s linear infinite;vertical-align:middle;margin-right:6px;flex-shrink:0}.btn-spinner-dark{border-color:#5A5DDB rgba(90,93,219,.3) rgba(90,93,219,.3)}@keyframes btn-spin{to{transform:rotate(1turn)}}.app-loader-overlay{position:fixed;inset:0;background:rgba(248,249,250,.85);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.app-loader-spinner{width:48px;height:48px;border:4px solid rgba(90,93,219,.2);border-top-color:#5a5ddb;border-radius:50%;animation:btn-spin .8s linear infinite}.app-loader-text{color:#5A5DDB;font-weight:600;font-size:1rem;letter-spacing:.3px}.skeleton{background:linear-gradient(90deg,#e2e8f0 25%,#f1f5f9 50%,#e2e8f0 75%);background-size:200% 100%;animation:skeleton-shimmer 1.4s ease-in-out infinite;border-radius:6px}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-row{height:20px;margin-bottom:4px;border-radius:4px}.skeleton-row-sm{height:14px}.skeleton-row-lg{height:28px}.skeleton-card{border-radius:12px;padding:1.25rem;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06)}.skeleton-card .sk-title{height:22px;width:55%;margin-bottom:12px}.skeleton-card .sk-line{height:14px;margin-bottom:8px}.skeleton-card .sk-line-short{height:14px;width:40%}.skeleton-table-row td{padding:12px 8px}.skeleton-table-row .sk-cell{height:16px;border-radius:4px}.skeleton-stat{height:100px;border-radius:12px}.btn:disabled,button:disabled{opacity:.72;cursor:not-allowed;pointer-events:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}