* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: #0a0b0d; color: #e4e7eb; }
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.btn { padding: 12px 24px; border-radius: 8px; border: none; font-weight: 600; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, #3b82f6, #2563eb); color: white; }
.input { width: 100%; padding: 14px; background: #1a1d24; border: 1px solid #2d3139; border-radius: 8px; color: #e4e7eb; }
.card { background: #1a1d24; border: 1px solid #2d3139; border-radius: 12px; padding: 24px; margin: 16px 0; }
.alert { padding: 12px; border-radius: 8px; margin: 16px 0; }
.alert-success { background: rgba(16,185,129,0.1); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.alert-error { background: rgba(239,68,68,0.1); color: #ef4444; border: 1px solid rgba(239,68,68,0.3); }
.hidden { display: none; }
h1 { margin: 20px 0; background: linear-gradient(135deg, #3b82f6, #2563eb); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }