:root{--color-bg: #0a0a0b;--color-bg-elevated: #141416;--color-bg-hover: #1a1a1d;--color-border: #27272a;--color-border-hover: #3f3f46;--color-text: #fafafa;--color-text-muted: #a1a1aa;--color-text-subtle: #71717a;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-muted: #1d4ed8;--color-success: #22c55e;--color-warning: #eab308;--color-error: #ef4444;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .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);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--color-bg);color:var(--color-text);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}input,textarea,select{font-family:inherit;font-size:.875rem;padding:var(--space-sm) var(--space-md);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);width:100%;transition:border-color .15s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary)}input::placeholder{color:var(--color-text-subtle)}label{display:block;font-size:.875rem;font-weight:500;margin-bottom:var(--space-xs);color:var(--color-text-muted)}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);font-family:inherit;font-size:.875rem;font-weight:500;padding:var(--space-sm) var(--space-md);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .15s ease}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-primary:disabled{background-color:var(--color-primary-muted);cursor:not-allowed;opacity:.7}.btn-secondary{background-color:var(--color-bg-elevated);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-bg-hover);border-color:var(--color-border-hover)}.btn-ghost{background-color:transparent;color:var(--color-text-muted)}.btn-ghost:hover{background-color:var(--color-bg-hover);color:var(--color-text)}.card{background-color:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg)}.text-muted{color:var(--color-text-muted)}.text-subtle{color:var(--color-text-subtle)}.text-error{color:var(--color-error)}.text-success{color:var(--color-success)}.text-sm{font-size:.875rem}.text-center{text-align:center}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}