/* Location: CBCSYSTEM/academy/styles.css */
:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --teal: #20c997;
    --indigo: #6610f2;
    --bg-body: #f8f9fa;
    --bg-card: #ffffff;
    --text-color: #212529;
    --border-color: #e9ecef;
    --sidebar-width: 260px;
}

[data-theme="dark"] {
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --text-color: #f8fafc;
    --border-color: #334155;
}

body {
    background-color: var(--bg-body);
    color: var(--text-color);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.gradient-header {
    background: linear-gradient(135deg, #0d6efd 0%, #6610f2 100%);
    color: #ffffff;
}

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: all 0.3s ease;
}

@media (max-width: 991.88px) {
    .sidebar { margin-left: -260px; }
    .sidebar.show { margin-left: 0; }
    .main-content { margin-left: 0; }
}

.stat-card {
    border-left: 4px solid var(--primary);
}

.btn-teal {
    background-color: var(--teal);
    color: #ffffff;
}

.btn-teal:hover {
    background-color: #1aa179;
    color: #ffffff;
}