@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");:root{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:rgba(17,24,39,.85);--bg-card-hover:rgba(30,41,59,.9);--bg-glass:hsla(0,0%,100%,.03);--bg-input:rgba(15,23,42,.8);--accent:#3b82f6;--accent-hover:#2563eb;--accent-glow:rgba(59,130,246,.3);--accent-soft:rgba(59,130,246,.1);--success:#22c55e;--success-soft:rgba(34,197,94,.12);--warning:#f59e0b;--warning-soft:rgba(245,158,11,.12);--error:#ef4444;--error-soft:rgba(239,68,68,.12);--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border:rgba(148,163,184,.1);--border-hover:rgba(148,163,184,.2);--shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow-md:0 4px 12px rgba(0,0,0,.4);--shadow-lg:0 8px 30px rgba(0,0,0,.5);--shadow-glow:0 0 20px var(--accent-glow);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--sidebar-width:260px;--topbar-height:64px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .3s ease}.sidebar-brand{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.sidebar-brand h1{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--accent),#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.3px}.sidebar-brand .brand-dot{width:8px;height:8px;background:var(--success);border-radius:50%;box-shadow:0 0 8px var(--success);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}.nav-section{margin-bottom:24px}.nav-section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);padding:0 12px;margin-bottom:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:all .2s;cursor:pointer;border:none;background:none;width:100%}.nav-item:hover{background:var(--bg-glass);color:var(--text-primary)}.nav-item.active{background:var(--accent-soft);color:var(--accent)}.nav-item .nav-icon{font-size:18px;width:20px;text-align:center;opacity:.8}.nav-item .nav-badge{margin-left:auto;background:var(--accent);color:#fff;font-size:11px;font-weight:600;padding:2px 8px;border-radius:var(--radius-full)}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}.topbar{height:var(--topbar-height);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 32px;background:var(--bg-secondary);position:sticky;top:0;z-index:50;backdrop-filter:blur(12px)}.topbar-title{font-size:18px;font-weight:600}.topbar-actions{display:flex;align-items:center;gap:12px}.page-content{padding:32px;max-width:1200px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(12px);transition:all .2s}.card:hover{border-color:var(--border-hover)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-title{font-size:16px;font-weight:600}.card-subtitle{font-size:13px;color:var(--text-muted);margin-top:2px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;border:1px solid transparent;transition:all .2s;text-decoration:none}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-glow)}.btn-secondary{background:transparent;color:var(--text-secondary);border-color:var(--border)}.btn-secondary:hover{background:var(--bg-glass);color:var(--text-primary);border-color:var(--border-hover)}.btn-danger{background:transparent;color:var(--error);border-color:var(--error)}.btn-danger:hover{background:var(--error-soft)}.btn-sm{padding:6px 12px;font-size:13px}.btn-icon{padding:8px;width:36px;height:36px;justify-content:center}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:20px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.form-input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:inherit;transition:all .2s}.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder{color:var(--text-muted)}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.table-wrapper{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}.table td,.table th{border-bottom:1px solid var(--border)}.table td{padding:14px 16px;font-size:14px;vertical-align:middle}.table tr:hover td{background:var(--bg-glass)}.table tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-full);font-size:12px;font-weight:600}.badge-success{background:var(--success-soft);color:var(--success)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-error{background:var(--error-soft);color:var(--error)}.badge-info{background:var(--accent-soft);color:var(--accent)}.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px);animation:fadeIn .15s ease}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-title{font-size:16px;font-weight:600}.modal-close{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:4px;transition:color .2s}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:24px}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:16px 24px;border-top:1px solid var(--border)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px}.stat-label{font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:28px;font-weight:700;margin-top:4px}.stat-change{font-size:12px;margin-top:4px}.alert{display:flex;align-items:flex-start;gap:12px;padding:14px 18px;border-radius:var(--radius-md);font-size:14px;margin-bottom:20px}.alert-info{background:var(--accent-soft);border:1px solid rgba(59,130,246,.2);color:var(--accent)}.alert-success{background:var(--success-soft);border:1px solid rgba(34,197,94,.2);color:var(--success)}.alert-warning{background:var(--warning-soft);border:1px solid rgba(245,158,11,.2);color:var(--warning)}.alert-error{background:var(--error-soft);border:1px solid rgba(239,68,68,.2);color:var(--error)}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:24px}.template-card{background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius-md);padding:16px;cursor:pointer;transition:all .2s;text-align:center}.template-card:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.template-card.selected{border-color:var(--accent);background:var(--accent-soft)}.template-card .template-name{font-size:14px;font-weight:600;margin-top:8px}.template-card .template-desc{font-size:12px;color:var(--text-muted);margin-top:4px}.test-results{margin-top:16px}.test-check{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}.test-check:last-child{border-bottom:none}.test-check .check-icon{font-size:16px;width:20px;text-align:center}.test-check.pass .check-icon{color:var(--success)}.test-check.fail .check-icon{color:var(--error)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .empty-icon{font-size:48px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);background-image:radial-gradient(circle at 20% 50%,rgba(59,130,246,.08) 0,transparent 50%),radial-gradient(circle at 80% 50%,rgba(129,140,248,.06) 0,transparent 50%)}.auth-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.auth-brand{text-align:center;margin-bottom:32px}.auth-brand h1{font-size:24px;font-weight:700;background:linear-gradient(135deg,var(--accent),#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.auth-brand p{margin-top:8px}.auth-brand p,.auth-footer{color:var(--text-muted);font-size:14px}.auth-footer{text-align:center;margin-top:24px}.auth-footer a{color:var(--accent);text-decoration:none}.auth-footer a:hover{text-decoration:underline}@media (max-width:768px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0}.page-content{padding:16px}.form-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}}