@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@400;700&display=swap');

:root {
    --bg-dark: #0f0f13;
    --panel-bg: rgba(20, 20, 25, 0.7);
    --panel-border: rgba(255, 255, 255, 0.08);
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-pink: #ec4899;
    --text-main: #f3f4f6;
    --text-dim: #9ca3af;
    --gradient-primary: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 { font-family: 'Outfit', sans-serif; font-weight: 700; }

.glow-bg {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.1), transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.1), transparent 40%);
    z-index: -1; pointer-events: none;
}

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 5%; max-width: 1600px; margin: 0 auto;
}

.logo {
    font-size: 1.6rem; font-weight: 800; letter-spacing: -1px;
    background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.nav-links a { color: var(--text-dim); text-decoration: none; margin-left: 20px; font-weight: 600; transition: 0.3s; font-size: 0.9rem; }
.nav-links a:hover { color: var(--text-main); }

/* Buttons */
.btn-primary {
    background: var(--gradient-primary); color: #fff; border: none; padding: 12px 24px; border-radius: 10px; font-weight: 700; cursor: pointer; transition: 0.3s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 5px 20px rgba(139, 92, 246, 0.4); }

/* Glass Panels */
.glass-panel {
    background: var(--panel-bg); border: 1px solid var(--panel-border); backdrop-filter: blur(16px);
    border-radius: 20px; padding: 25px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.chip {
    padding: 4px 12px; border-radius: 20px; background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1); color: var(--text-dim); font-size: 0.75rem; font-weight: 500;
    cursor: pointer; transition: 0.2s; user-select: none;
}
.chip.active { background: var(--accent-purple); border-color: var(--accent-purple); color: #fff; }

input[type="number"], input[type="text"], select {
    background: rgba(0, 0, 0, 0.3); border: 1px solid rgba(255, 255, 255, 0.1); color: #fff; padding: 8px 12px;
    border-radius: 8px; font-size: 0.8rem; outline: none; transition: 0.2s;
}
input[type="number"]:focus, input[type="text"]:focus, select:focus { border-color: var(--accent-purple); }

input[type="range"] {
    -webkit-appearance: none; appearance: none; background: rgba(255, 255, 255, 0.1); border-radius: 5px; height: 4px;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--text-main); cursor: pointer;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }