*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f5f7;--surface: #ffffff;--border: #d2d2d7;--text: #1d1d1f;--text-secondary: #6e6e73;--accent: #0071e3;--accent-hover: #0077ed;--danger: #ff3b30;--success: #34c759;--warning: #ff9500;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.04);font-family:Onest,-apple-system,BlinkMacSystemFont,sans-serif}body{background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:220px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0}.admin-sidebar-logo{padding:0 20px 24px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--border)}.admin-sidebar-logo span{color:var(--accent)}.admin-sidebar-nav{padding:16px 0;flex:1}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;border:none;background:none;width:100%;text-align:left;transition:background .12s,color .12s;text-decoration:none}.nav-item:hover{background:var(--bg);color:var(--text);text-decoration:none}.nav-item.active{background:var(--bg);color:var(--accent)}.admin-sidebar-user{padding:16px 20px 0;border-top:1px solid var(--border);font-size:12px;color:var(--text-secondary)}.admin-sidebar-user strong{display:block;color:var(--text);margin-bottom:4px}.admin-main{flex:1;overflow-y:auto}.admin-topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 32px;display:flex;align-items:center;justify-content:space-between}.admin-topbar h1{font-size:18px;font-weight:600}.admin-content{padding:32px;max-width:1100px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h2{font-size:15px;font-weight:600}.card-body{padding:20px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}thead th{padding:10px 16px;text-align:left;font-size:12px;font-weight:500;color:var(--text-secondary);border-bottom:1px solid var(--border);white-space:nowrap}tbody td{padding:11px 16px;border-bottom:1px solid var(--border);font-size:13px}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:var(--bg)}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:8px;border:none;cursor:pointer;font-size:13px;font-weight:500;transition:background .12s,opacity .12s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){opacity:.88}.btn-ghost{background:none;color:var(--accent);padding:4px 8px}.btn-ghost:hover:not(:disabled){background:var(--bg)}.btn-sm{padding:4px 10px;font-size:12px}.form-row{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--surface);color:var(--text);transition:border-color .12s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent)}.form-hint{font-size:12px;color:var(--text-secondary);margin-top:4px}.form-error{font-size:12px;color:var(--danger);margin-top:4px}.form-section-title{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin:24px 0 12px}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:500}.badge-green{background:#d1fae5;color:#065f46}.badge-red{background:#fee2e2;color:#991b1b}.badge-gray{background:var(--bg);color:var(--text-secondary)}.badge-blue{background:#dbeafe;color:#1e40af}.stats-row{display:flex;gap:16px;margin-bottom:24px}.stat-card{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.stat-card-value{font-size:28px;font-weight:700;color:var(--text)}.stat-card-label{font-size:12px;color:var(--text-secondary);margin-top:2px}.search-row{display:flex;gap:12px;margin-bottom:20px;align-items:center}.search-input-wrap{position:relative;flex:1;max-width:360px}.search-input-wrap input{padding-left:34px}.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-secondary)}.tabs{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:24px}.tab-btn{padding:10px 20px;border:none;background:none;cursor:pointer;font-size:14px;font-weight:500;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .12s,border-color .12s}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-btn:hover:not(.active){color:var(--text)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:22px;font-weight:700}.text-secondary{color:var(--text-secondary)}.text-sm{font-size:12px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.flex{display:flex}.items-center{align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px;width:100%;max-width:380px;box-shadow:var(--shadow)}.login-title{font-size:22px;font-weight:700;margin-bottom:6px;text-align:center}.login-subtitle{font-size:13px;color:var(--text-secondary);text-align:center;margin-bottom:28px}.toast{position:fixed;bottom:24px;right:24px;background:#1d1d1f;color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;z-index:9999;animation:toast-in .2s ease}.toast.success{background:var(--success)}.toast.error{background:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.empty-state{padding:48px 24px;text-align:center;color:var(--text-secondary)}.empty-state-icon{font-size:32px;margin-bottom:12px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{display:flex;align-items:center;justify-content:center;min-height:200px}