/* Custom CSS ModoTech Certificados */
:root {
    --primary-cyan: #00b4d8;
    --primary-blue: #0077b6;
    --dark-navy: #03045e;
    --sidebar-bg: #0b0f19;
    --card-bg: #131b2e;
    --border-color: #1e293b;
}

body {
    background-color: #080d1a;
    color: #e2e8f0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.sidebar {
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    min-height: 100vh;
    width: 280px;
}

.sidebar .nav-link {
    color: #94a3b8;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    margin: 2px 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.sidebar .nav-link:hover {
    color: #38bdf8;
    background-color: rgba(56, 189, 248, 0.08);
}

.sidebar .nav-link.active {
    color: #ffffff;
    background: linear-gradient(90deg, #0077b6 0%, #00b4d8 100%);
    box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
}

.sidebar .submenu {
    padding-left: 1.5rem;
    list-style: none;
}

.sidebar .submenu .nav-link {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.table {
    --bs-table-bg: var(--card-bg);
    --bs-table-border-color: var(--border-color);
    color: #e2e8f0;
}

.badge-cyan {
    background-color: rgba(0, 180, 216, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(0, 180, 216, 0.3);
}

.btn-cyan {
    background: linear-gradient(135deg, #0077b6 0%, #00b4d8 100%);
    color: white;
    border: none;
    font-weight: 600;
}

.btn-cyan:hover {
    background: linear-gradient(135deg, #023e8a 0%, #0096c7 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
}

.certificate-card-choice {
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border-color);
}

.certificate-card-choice:hover {
    transform: translateY(-6px);
    border-color: var(--primary-cyan);
    box-shadow: 0 12px 24px rgba(0, 180, 216, 0.2);
}