:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #10b981;--accent-hover: #059669;--accent-soft: rgba(16, 185, 129, .1);--accent-glow: rgba(16, 185, 129, .2);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-medium: .3s cubic-bezier(.4, 0, .2, 1)}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}.card{background:var(--bg-secondary);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-md);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn-primary{background-color:var(--accent-primary);color:#fff;border:none;padding:.625rem 1.25rem;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;transition:background-color var(--transition-fast),transform var(--transition-fast);display:inline-flex;align-items:center;gap:.5rem}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.input-base{background:var(--bg-tertiary);border:1px solid rgba(255,255,255,.1);color:var(--text-primary);padding:.625rem .875rem;border-radius:var(--radius-sm);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input-base:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px var(--accent-glow)}h1,h2,h3{margin:0 0 var(--spacing-sm) 0;font-weight:700;letter-spacing:-.025em;color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}lucide-icon{display:inline-flex;vertical-align:middle}.icon-sm{width:16px;height:16px}.icon-md{width:20px;height:20px}.icon-lg{width:24px;height:24px}