:root{--brand-blue:#1565c0;--brand-blue-light:#1e88e5;--brand-blue-dark:#0d47a1;--brand-orange:#e8770c;--brand-orange-light:#f59e3f;--brand-orange-dark:#c55a00;--bg-primary:#0a1628;--bg-secondary:#0f1f38;--bg-tertiary:#132744;--bg-header:#0b1626;--bg-card:rgba(15, 31, 56, 0.8);--bg-hover:rgba(21, 101, 192, 0.12);--bg-active:rgba(21, 101, 192, 0.2);--bg-overlay:rgba(0, 0, 0, 0.6);--bg-login:radial-gradient(ellipse at 30% 20%, rgba(21, 101, 192, 0.15) 0%, transparent 50%),radial-gradient(ellipse at 70% 80%, rgba(232, 119, 12, 0.08) 0%, transparent 50%),#080e1a;--text-primary:#e8eaf0;--text-secondary:#7b8fa8;--text-muted:#4a5d78;--text-inverse:#0a1628;--text-link:#42a5f5;--border-primary:#1e3a5f;--border-secondary:#152d4a;--border-focus:#1565c0;--border-accent:#e8770c;--color-success:#00d68f;--color-success-bg:rgba(0, 214, 143, 0.12);--color-warning:#ffaa00;--color-warning-bg:rgba(255, 170, 0, 0.12);--color-error:#ff4757;--color-error-bg:rgba(255, 71, 87, 0.12);--color-info:#42a5f5;--color-info-bg:rgba(66, 165, 245, 0.12);--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.3);--shadow-md:0 4px 12px rgba(0, 0, 0, 0.4);--shadow-lg:0 8px 32px rgba(0, 0, 0, 0.5);--shadow-glow-blue:0 0 20px rgba(21, 101, 192, 0.3);--shadow-glow-orange:0 0 20px rgba(232, 119, 12, 0.3);--font-primary:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-mono:'JetBrains Mono','Fira Code','Consolas',monospace;--font-size-xs:0.6875rem;--font-size-sm:0.75rem;--font-size-base:0.875rem;--font-size-md:1rem;--font-size-lg:1.25rem;--font-size-xl:1.5rem;--font-size-2xl:2rem;--line-height-tight:1.3;--line-height-normal:1.6;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--space-2xl:32px;--space-3xl:48px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--sidebar-width:260px;--filelist-width:280px;--header-height:56px;--footer-height:32px;--sidebar-min-width:200px;--sidebar-max-width:360px;--filelist-min-width:220px;--filelist-max-width:400px;--transition-fast:150ms ease;--transition-normal:250ms ease;--transition-slow:400ms ease;--z-sidebar:10;--z-header:20;--z-modal-backdrop:30;--z-modal:40;--z-contextmenu:50;--z-toast:60}