:root {
    --bg-base: #020617;
    --bg-surface: #0f172a;
    --bg-glass: rgba(15, 23, 42, 0.7);
    --primary: #6366f1;
    --primary-bright: #818cf8;
    --primary-deep: #4338ca;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --accent: #10b981;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtitle: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-bright: rgba(255, 255, 255, 0.15);
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

html,
body {
    font-family: var(--font-main);
    background-color: var(--bg-base);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Premium Mesh Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(2, 6, 23, 1) 0%, rgba(2, 6, 23, 1) 100%);
    z-index: -1;
}

h1,
h2,
h3,
h4,
h5 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--primary-bright);
}

.btn-primary {
    position: relative;
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px -5px var(--primary-glow);
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-bright) 0%, var(--primary) 100%);
    opacity: 0;
    z-index: -1;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -5px var(--primary-glow);
}

.btn-primary:hover::before {
    opacity: 1;
}

.glass-morphism {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

#blazor-error-ui {
    background: var(--bg-surface);
    bottom: 0;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
    display: none;
    left: 0;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    color: var(--text-main);
    border-top: 1px solid var(--primary);
    backdrop-filter: blur(10px);
}