:root{--admin-bg: #0f172a;--admin-surface: #1e293b;--admin-surface-hover: #334155;--admin-border: #334155;--admin-border-focus: #3b82f6;--admin-text: #f8fafc;--admin-text-muted: #94a3b8;--admin-text-dim: #64748b;--admin-primary: #3b82f6;--admin-primary-hover: #2563eb;--admin-success: #22c55e;--admin-success-hover: #16a34a;--admin-danger: #ef4444;--admin-danger-hover: #dc2626;--admin-warning: #eab308;--admin-radius: 10px;--admin-radius-sm: 8px;--admin-shadow: 0 1px 3px rgba(0, 0, 0, .2);--admin-shadow-lg: 0 10px 40px rgba(0, 0, 0, .3);--admin-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--admin-font);background:var(--admin-bg);color:var(--admin-text);min-height:100vh;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}input,button,select,textarea{font-family:inherit;font-size:inherit}a{color:#38bdf8;text-decoration:none}a:hover{text-decoration:underline}.admin-auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,#0f172a,#1e293b)}.admin-auth-card{width:100%;max-width:400px;background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:16px;padding:40px;box-shadow:var(--admin-shadow-lg)}.admin-auth-card h1{margin:0 0 8px;font-size:24px;font-weight:700;color:var(--admin-text);display:flex;align-items:center;gap:10px}.admin-auth-card .admin-auth-subtitle{color:var(--admin-text-muted);font-size:14px;margin-bottom:28px;line-height:1.5}.admin-auth-card .admin-alert{margin-bottom:20px}.admin-auth-card .admin-input-wrap{margin-bottom:18px}.admin-auth-card .admin-input-wrap:last-of-type{margin-bottom:24px}.admin-auth-card label{display:block;margin-bottom:8px;color:var(--admin-text-muted);font-size:14px;font-weight:500}.admin-auth-card .admin-btn{width:100%;padding:14px;font-size:15px}.admin-input{width:100%;padding:12px 14px;border-radius:var(--admin-radius-sm);border:1px solid var(--admin-border);background:var(--admin-surface);color:var(--admin-text);font-size:15px;transition:border-color .15s,box-shadow .15s}.admin-input::placeholder{color:var(--admin-text-dim)}.admin-input:hover{border-color:var(--admin-surface-hover)}.admin-input:focus{outline:none;border-color:var(--admin-border-focus);box-shadow:0 0 0 3px #3b82f633}textarea.admin-input{resize:vertical;min-height:80px}.admin-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--admin-radius-sm);font-weight:600;font-size:14px;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s;border:1px solid transparent}.admin-btn:disabled{opacity:.6;cursor:not-allowed}.admin-btn-primary{background:var(--admin-primary);color:#fff;border-color:var(--admin-primary)}.admin-btn-primary:hover:not(:disabled){background:var(--admin-primary-hover);border-color:var(--admin-primary-hover)}.admin-btn-success{background:var(--admin-success);color:#fff;border-color:var(--admin-success)}.admin-btn-success:hover:not(:disabled){background:var(--admin-success-hover);border-color:var(--admin-success-hover)}.admin-btn-ghost{background:transparent;color:var(--admin-text);border-color:var(--admin-border)}.admin-btn-ghost:hover:not(:disabled){background:var(--admin-surface-hover);border-color:var(--admin-surface-hover)}.admin-btn-danger{background:transparent;color:var(--admin-danger);border-color:#ef444480}.admin-btn-danger:hover:not(:disabled){background:#ef444426;border-color:var(--admin-danger)}.admin-alert{padding:12px 16px;border-radius:var(--admin-radius-sm);font-size:14px;border:1px solid transparent}.admin-alert-success{background:#22c55e26;color:#86efac;border-color:#22c55e4d}.admin-alert-error{background:#ef444426;color:#fca5a5;border-color:#ef44444d}.admin-card{background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:14px;padding:24px;margin-bottom:24px;box-shadow:var(--admin-shadow)}.admin-card h3{margin:0 0 20px;font-size:17px;font-weight:600;color:var(--admin-text)}.admin-stat-card{background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:14px;padding:20px;box-shadow:var(--admin-shadow)}.admin-stat-card .admin-stat-label{color:var(--admin-text-muted);font-size:13px;margin-bottom:6px}.admin-stat-card .admin-stat-value{font-size:28px;font-weight:700;color:var(--admin-text)}.admin-stat-card.highlight .admin-stat-value{color:#38bdf8}.admin-badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--admin-radius-sm);font-size:13px;font-weight:500}.admin-badge-neutral{background:var(--admin-surface-hover);color:var(--admin-text-muted)}.admin-badge-warning{background:#eab30833;color:#facc15}.admin-badge-danger{background:#ef444433;color:#f87171}.admin-tabs{display:flex;gap:4px;margin-bottom:24px;border-bottom:1px solid var(--admin-border)}.admin-tabs button{padding:12px 20px;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;background:transparent;color:var(--admin-text-muted);font-weight:500;font-size:15px;cursor:pointer;transition:color .15s,border-color .15s}.admin-tabs button:hover{color:var(--admin-text)}.admin-tabs button.active{color:var(--admin-text);font-weight:600;border-bottom-color:var(--admin-primary)}.admin-table-wrap{overflow:auto;border-radius:var(--admin-radius-sm);border:1px solid var(--admin-border)}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th{text-align:left;padding:14px 16px;color:var(--admin-text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em;background:#0003;border-bottom:1px solid var(--admin-border)}.admin-table td{padding:14px 16px;border-bottom:1px solid var(--admin-border);color:var(--admin-text)}.admin-table tbody tr:last-child td{border-bottom:none}.admin-table tbody tr:hover{background:#ffffff05}.admin-table .admin-table-muted{color:var(--admin-text-muted);font-size:13px}.admin-table .admin-table-actions{text-align:right;white-space:nowrap}.admin-table .admin-table-actions .admin-btn{margin-left:8px}.admin-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:200;padding:24px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.admin-modal{background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:14px;padding:28px;max-width:420px;width:100%;box-shadow:var(--admin-shadow-lg)}.admin-modal h3{margin:0 0 8px;font-size:18px;color:var(--admin-text)}.admin-modal p{color:var(--admin-text-muted);font-size:14px;margin-bottom:20px}.admin-modal .admin-input-wrap{margin-bottom:16px}.admin-modal .admin-input-wrap:last-of-type{margin-bottom:24px}.admin-modal-actions{display:flex;gap:12px;justify-content:flex-end}.admin-dashboard{display:flex;min-height:100vh;background:var(--admin-bg);position:relative}.admin-sidebar{width:260px;flex-shrink:0;background:var(--admin-surface);border-right:1px solid var(--admin-border);padding:24px 0;display:flex;flex-direction:column;z-index:100;transition:transform .2s ease,box-shadow .2s ease}.admin-sidebar-brand{padding:0 20px 24px;border-bottom:1px solid var(--admin-border);margin-bottom:16px}.admin-sidebar-brand h1{margin:0;font-size:20px;font-weight:700;color:var(--admin-text);display:flex;align-items:center;gap:10px}.admin-sidebar-brand p{margin:4px 0 0;font-size:13px;color:var(--admin-text-dim)}.admin-sidebar-nav{padding:0 12px;display:flex;flex-direction:column;gap:4px}.admin-nav-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--admin-radius-sm);border:none;width:100%;text-align:left;cursor:pointer;font-size:15px;font-weight:500;color:var(--admin-text-muted);background:transparent;transition:color .15s,background .15s}.admin-nav-item:hover{color:var(--admin-text);background:var(--admin-surface-hover)}.admin-nav-item.active{color:var(--admin-text);font-weight:600;background:#3b82f633}.admin-main{flex:1;overflow:auto;padding:28px;min-width:0}.admin-main-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:16px;flex-wrap:wrap}.admin-main-title{margin:0;font-size:22px;font-weight:600;color:var(--admin-text);display:flex;align-items:center;gap:12px}.admin-main-user{color:var(--admin-text-muted);font-size:14px}.admin-menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--admin-border);border-radius:var(--admin-radius-sm);background:var(--admin-surface);color:var(--admin-text);cursor:pointer;font-size:20px;transition:background .15s}.admin-menu-btn:hover{background:var(--admin-surface-hover)}@media (max-width: 768px){.admin-sidebar{position:fixed;top:0;left:0;bottom:0;width:280px;max-width:85vw;transform:translate(-100%);box-shadow:none}.admin-dashboard.admin-sidebar-open .admin-sidebar{transform:translate(0);box-shadow:4px 0 24px #0006}.admin-sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:99}.admin-dashboard.admin-sidebar-open .admin-sidebar-overlay{display:block}.admin-menu-btn{display:flex}.admin-main{padding:20px}}.admin-sidebar-overlay{display:none}.admin-toggle{position:relative;width:44px;height:24px;flex-shrink:0;border:none;border-radius:12px;cursor:pointer;background:var(--admin-surface-hover);transition:background .2s ease}.admin-toggle[aria-checked=true]{background:var(--admin-primary)}.admin-toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0000004d;transition:transform .2s ease}.admin-toggle[aria-checked=true]:after{transform:translate(20px)}.admin-toggle:focus{outline:2px solid var(--admin-border-focus);outline-offset:2px}.admin-toggle:disabled{opacity:.6;cursor:not-allowed}.admin-label{display:block;margin-bottom:8px;color:var(--admin-text-muted);font-size:14px;font-weight:500}.admin-setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--admin-border);flex-wrap:wrap}.admin-setting-row .admin-setting-copy{flex:1 1 200px}.admin-setting-row .admin-setting-title{color:var(--admin-text);font-weight:500;margin-bottom:4px}.admin-setting-row .admin-setting-desc{color:var(--admin-text-dim);font-size:13px}.admin-settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.admin-settings-grid.mt{margin-top:20px}@media (max-width: 540px){.admin-settings-grid{grid-template-columns:1fr!important}}.admin-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--admin-text-muted)}