@charset "UTF-8";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--font-sans: "Inter", system-ui, -apple-system, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--sidebar-width: 260px;--topbar-height: 56px;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--transition-fast: .15s ease;--transition-base: .25s ease;--z-sidebar: 100;--z-topbar: 110;--z-overlay: 200}:root,[data-theme=light]{--color-primary: #1a365d;--color-accent: #2b6cb0;--color-highlight: #3182ce;--color-highlight-dark: #2c5aa0;--color-success: #38a169;--color-warning: #d69e2e;--color-danger: #e53e3e;--color-background: #f7fafc;--color-surface: #ffffff;--color-surface-hover: #edf2f7;--color-text: #1a202c;--color-text-secondary: #4a5568;--color-text-muted: #a0aec0;--border-thin: 1px solid #e2e8f0;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07)}[data-theme=dark]{--color-primary: #90cdf4;--color-accent: #63b3ed;--color-highlight: #4299e1;--color-highlight-dark: #3182ce;--color-success: #68d391;--color-warning: #f6e05e;--color-danger: #fc8181;--color-background: #1a202c;--color-surface: #2d3748;--color-surface-hover: #4a5568;--color-text: #f7fafc;--color-text-secondary: #cbd5e0;--color-text-muted: #718096;--border-thin: 1px solid #4a5568;--border-color: #4a5568;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4)}html{font-family:var(--font-sans);font-size:16px;line-height:1.5;color:var(--color-text);background:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;font:inherit;border:none;background:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--border-radius-md);font-size:var(--text-sm);font-weight:600;transition:all var(--transition-fast)}.btn--primary{background:var(--color-highlight);color:#fff}.btn--primary:hover{background:var(--color-highlight-dark)}.btn--outline{border:1px solid var(--border-color);color:var(--color-text-secondary)}.btn--outline:hover{background:var(--color-surface-hover)}.btn--danger{background:var(--color-danger);color:#fff}.btn--danger:hover{opacity:.9}