:root {
    /* Color Palette - TTC-WW Lime & Black */
    --primary: #94cc00;
    --primary-hover: #7ba800;
    --secondary: #000000;
    --accent: #94cc00;
    --bg-dark: #000000;
    --bg-light: #f8f9fa;
    --bg-glass: rgba(255, 255, 255, 0.9);
    --card-bg: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --text-white: #ffffff;
    --border-glass: rgba(0, 0, 0, 0.08);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Spacing & Shadows */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glass: 0 4px 20px 0 rgba(0, 0, 0, 0.05);
    --radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Outfit', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--bg-light);
}

.glass-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    box-shadow: var(--shadow-glass);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    height: 100vh;
    position: sticky;
    top: 0;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: var(--bg-dark);
    color: var(--text-white);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: var(--secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(192, 255, 0, 0.4);
    background: var(--primary-hover);
}

/* Nav Link */
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #9ca3af;
    text-decoration: none;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    font-size: 0.85rem;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link i {
    width: 18px;
    height: 18px;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
}

.nav-link.active {
    background: rgba(192, 255, 0, 0.1);
    color: var(--primary);
}

.nav-link.active i {
    color: var(--primary);
}

.nav-section-label {
    font-size: 0.55rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-top: 0.5rem;
    margin-bottom: 0.1rem;
    padding-left: 0.75rem;
    opacity: 0.7;
}

.custom-scrollbar::-webkit-scrollbar {
    width: 4px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}