*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}body{min-height:100vh;background-color:var(--color-background);color:var(--color-text);font-size:1rem;line-height:1.5}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}ul,ol{list-style:none}:root{--color-background: #ffffff;--color-surface: #f8fafc;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-muted: #64748b;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-secondary: #6366f1;--color-secondary-hover: #4f46e5;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}@media(prefers-color-scheme:dark){:root{--color-background: #0f172a;--color-surface: #1e293b;--color-border: #334155;--color-text: #f8fafc;--color-text-muted: #94a3b8;--color-primary: #60a5fa;--color-primary-hover: #3b82f6;--color-secondary: #818cf8;--color-secondary-hover: #6366f1}}h1{font-size:2.25rem;font-weight:700;line-height:1.2}h2{font-size:1.875rem;font-weight:600;line-height:1.3}h3{font-size:1.5rem;font-weight:600;line-height:1.4}h4{font-size:1.25rem;font-weight:600;line-height:1.4}h5{font-size:1.125rem;font-weight:600;line-height:1.5}h6{font-size:1rem;font-weight:600;line-height:1.5}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);font-size:.875rem;font-weight:500;line-height:1.5;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-border)}.btn-ghost{background-color:transparent;color:var(--color-text)}.btn-ghost:hover:not(:disabled){background-color:var(--color-surface)}.input{width:100%;padding:var(--space-sm) var(--space-md);font-size:.875rem;line-height:1.5;background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f633}.input:disabled{opacity:.5;cursor:not-allowed}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg)}.text-muted{color:var(--color-text-muted)}.text-error{color:var(--color-error)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.spinner{width:1.5rem;height:1.5rem;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}