:root,:root.dark{--bg: #080812;--bg-pattern: url(/vehicle-pattern.svg);--surface: rgba(10, 10, 21, .95);--surface-2: #13131F;--surface-3: #1C1C2E;--border: #2C2C3E;--border-soft: #1C1C2E;--text: #fff;--text-dim: #C0C0D0;--text-dimmer: #A0A0B0;--text-muted: #6B7280;--shadow: 0 4px 40px rgba(0,0,0,.6);--accent: #EF4444;--success: #22C55E;--warn: #F59E0B;--danger: #EF4444;--info: #3B82F6;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--font-xs: 11px;--font-sm: 12px;--font-md: 14px;--font-lg: 16px;--font-xl: 20px;--font-2xl: 26px}:root.light{--bg: #F5F5F7;--bg-pattern: none;--surface: #FFFFFF;--surface-2: #F3F4F6;--surface-3: #E5E7EB;--border: #D1D5DB;--border-soft: #E5E7EB;--text: #111827;--text-dim: #374151;--text-dimmer: #4B5563;--text-muted: #6B7280;--shadow: 0 4px 20px rgba(0,0,0,.08)}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}input::placeholder,textarea::placeholder{color:var(--text-muted)}select option{background:var(--surface-2);color:var(--text)}*:focus{outline:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[role=button]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@keyframes tra-spin{to{transform:rotate(360deg)}}@keyframes tra-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}@keyframes tra-skeleton{0%{background-position:-200px 0}to{background-position:200px 0}}@keyframes tra-toast-in{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.tra-spinner{display:inline-block;width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:tra-spin .7s linear infinite;vertical-align:middle}.tra-skeleton{background:linear-gradient(90deg,var(--surface-2) 0%,var(--surface-3) 50%,var(--surface-2) 100%);background-size:400px 100%;animation:tra-skeleton 1.2s infinite;border-radius:6px}.tra-portal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border-soft);flex-wrap:wrap;gap:12px}.tra-portal-nav{display:flex;gap:4px;flex-wrap:wrap}.tra-portal-main{padding:24px;max-width:1100px;margin:0 auto}@media (max-width: 768px){.tra-portal-header{padding:12px 16px;gap:8px}.tra-portal-main{padding:16px}.tra-portal-nav a{font-size:12px!important;padding:6px 10px!important}}@media (max-width: 480px){.tra-portal-header{flex-direction:column;align-items:stretch}.tra-portal-nav{justify-content:center}}.tra-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tra-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}@media (max-width: 600px){.tra-grid-3{grid-template-columns:repeat(2,1fr)}.tra-grid-2{grid-template-columns:1fr}}@media (max-width: 768px){button,a[role=button]{min-height:40px}}.tra-toast-stack{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:9999;pointer-events:none}.tra-toast{pointer-events:auto;min-width:240px;max-width:360px;padding:12px 16px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--border);color:var(--text);font-size:13px;box-shadow:0 8px 24px #0006;animation:tra-toast-in .2s ease;display:flex;align-items:flex-start;gap:10px}.tra-toast-success{border-left:3px solid var(--success)}.tra-toast-error{border-left:3px solid var(--danger)}.tra-toast-info{border-left:3px solid var(--info)}.tra-toast-warn{border-left:3px solid var(--warn)}@media (max-width: 480px){.tra-toast-stack{left:16px;right:16px;bottom:16px}.tra-toast{min-width:0;max-width:none}}.tra-empty{text-align:center;padding:48px 24px;color:var(--text-muted)}.tra-empty-icon{font-size:40px;margin-bottom:12px;opacity:.6}.tra-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.tra-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.tra-modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;max-width:480px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow)}