:root {
    --primary: #f97316;
    --secondary: #ef4444;
    --bg-dark: #1f2937;
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-muted: #9ca3af;
    --border-radius: 8px;
    --body-bg: #111827;
}

body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--body-bg);
    color: #f3f4f6;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.glass {
    background: rgba(31, 41, 55, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.fade-in { animation: fadeIn 0.4s ease-in; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }