:root {
    /* Professional Palette: Black, Blue, Yellow */
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --bg-input: #1f1f1f;
    --primary-blue: #007bff;
    --primary-blue-hover: #0056b3;
    --accent-yellow: #ffcc00;
    --accent-yellow-hover: #e6b800;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --border-color: #2a2a2a;
    --shadow-professional: 0 10px 30px rgba(0, 0, 0, 0.5);
    --transition-speed: 0.3s;
}

/* Global Professional Overrides */
body {
    background-color: var(--bg-dark) !important;
    color: var(--text-main) !important;
    font-family: 'Inter', 'Poppins', sans-serif !important;
}

/* Professional Cards */
.card, .futuristic-card, .login-card, .container, .dashboard-card, .feature-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-professional) !important;
    border-radius: 12px !important;
}

/* Buttons */
.btn-primary, .btn-entendi, button[type="submit"], .action-btn {
    background: var(--primary-blue) !important;
    border: none !important;
    color: #fff !important;
    font-weight: 600 !important;
    transition: var(--transition-speed) !important;
}

.btn-primary:hover, .action-btn:hover {
    background: var(--primary-blue-hover) !important;
    transform: translateY(-2px);
}

.btn-outline, .btn-outline-primary {
    border: 2px solid var(--primary-blue) !important;
    color: var(--primary-blue) !important;
    background: transparent !important;
}

.btn-outline:hover {
    background: var(--primary-blue) !important;
    color: #fff !important;
}

/* Inputs */
input, .form-control, select, textarea {
    background: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
    border-radius: 8px !important;
}

input:focus, .form-control:focus {
    border-color: var(--primary-blue) !important;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25) !important;
}

/* Navigation */
.navbar, .modern-topbar, .modern-sidebar, .dashboard-header, .dashboard-sidebar {
    background: var(--bg-dark) !important;
    border-color: var(--border-color) !important;
}

.nav-link.active, .sidebar-item.active, .nav-link:hover {
    color: var(--accent-yellow) !important;
}

.sidebar-item.active {
    border-left: 3px solid var(--accent-yellow) !important;
}

/* Accents */
.gradient-text, .logo-text, .hero-title strong {
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-yellow)) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

.accent-text, .stat-number, .feature-icon i {
    color: var(--accent-yellow) !important;
}

/* Performance: Simple animations and removal of heavy effects */
.hero-particles, .hero-background, .grid-pattern {
    display: none !important; /* Remove heavy background animations for speed */
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Dashboard specific */
.metric-icon {
    background: rgba(0, 123, 255, 0.1) !important;
    color: var(--primary-blue) !important;
}

.metric-value {
    color: var(--accent-yellow) !important;
    text-shadow: none !important;
}

.futuristic-table th {
    background: rgba(0, 123, 255, 0.05) !important;
    color: var(--primary-blue) !important;
}