:root{--brand: #4F46E5;--brand-dark: #3730A3;--brand-light: #818CF8;--brand-soft: #EEF2FF;--brand-gradient: linear-gradient(135deg, #4F46E5 0%, #6366F1 50%, #818CF8 100%);--bg: #F8FAFC;--bg-elev: #FFFFFF;--surface: #FFFFFF;--surface-2: #F1F5F9;--text: #0F172A;--text-muted: #64748B;--text-faint: #94A3B8;--border: #E2E8F0;--border-strong: #CBD5E1;--danger: #DC2626;--danger-soft: #FEE2E2;--success: #059669;--success-soft: #D1FAE5;--warning: #D97706;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-xs: 0 1px 2px rgba(15, 23, 42, .04);--shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow: 0 4px 12px rgba(15, 23, 42, .06), 0 2px 4px rgba(15, 23, 42, .04);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .1), 0 4px 8px rgba(15, 23, 42, .06);--shadow-xl: 0 24px 64px rgba(15, 23, 42, .16), 0 8px 16px rgba(15, 23, 42, .08);--header-h: 64px;--max-w: 1400px}*{box-sizing:border-box}html,body,#app{height:100%;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI Variable,Segoe UI,system-ui,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;letter-spacing:-.005em}a{color:var(--brand);text-decoration:none;transition:color .15s}a:hover{color:var(--brand-dark)}button{cursor:pointer;font-family:inherit;border:none;border-radius:var(--radius-sm);padding:10px 16px;font-size:14px;font-weight:500;transition:all .15s ease;display:inline-flex;align-items:center;gap:6px;line-height:1}button:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-xs)}.btn-primary:hover:not(:disabled){background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c;transform:translateY(-1px)}.btn-soft{background:var(--brand-soft);color:var(--brand-dark)}.btn-soft:hover:not(:disabled){background:#e0e7ff}input,textarea,select{font-family:inherit;font-size:14px;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;outline:none;transition:all .15s;background:#fff;color:var(--text)}input::placeholder,textarea::placeholder{color:var(--text-faint)}input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2364748B' stroke-width='2' viewBox='0 0 24 24'%3e%3cpath d='m6 9 6 6 6-6'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border)}.row{display:flex;gap:12px;align-items:center}.col{display:flex;flex-direction:column;gap:12px}.spacer{flex:1}.muted{color:var(--text-muted)}.faint{color:var(--text-faint)}.error{color:var(--danger);font-size:14px}.success{color:var(--success);font-size:14px}h1{font-size:clamp(24px,4vw,32px);font-weight:700;letter-spacing:-.02em;margin:0}h2{font-size:clamp(20px,3vw,24px);font-weight:600;letter-spacing:-.015em;margin:0}h3{font-size:18px;font-weight:600;margin:0}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;border:3px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:var(--text-faint);background-clip:padding-box;border:3px solid transparent}