/* CVG - Centro Virtual de Graduados - Estilos Personalizados */

:root {
    --cvg-primary: #007FB2;
    --cvg-secondary: #CEA473;
    --cvg-success: #41CF7D;
    --cvg-dark: #5F6364;
    --cvg-light: #E0E0E0;
    --cvg-white: #FFFFFF;
}

/* Reset base */
body {
    margin: 0;
    padding: 0;
}

/* Navbar personalizado */
.navbar-cvg {
    background: linear-gradient(135deg, var(--cvg-primary) 0%, #006494 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--cvg-white) !important;
}

.navbar-brand img {
    height: 40px;
    margin-right: 10px;
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--cvg-white) !important;
    transform: translateY(-2px);
}

/* Header Banner */
.cvg-header {
    background: #15282D;
    color: var(--cvg-white);
    padding: 3rem 0;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.cvg-header h1 {
    font-weight: 700;
    margin: 0;
}

.cvg-header p {
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
}

/* Cards personalizados */
.card-cvg {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card-cvg:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-cvg .card-header {
    background: linear-gradient(135deg, var(--cvg-primary) 0%, #006494 100%);
    color: var(--cvg-white);
    font-weight: 600;
    border: none;
    padding: 1.2rem;
}

.card-cvg .card-body {
    padding: 1.5rem;
}

/* Botones personalizados */
.btn-cvg-primary {
    background: linear-gradient(135deg, var(--cvg-primary) 0%, #006494 100%);
    border: none;
    color: var(--cvg-white);
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-cvg-primary:hover {
    background: linear-gradient(135deg, #006494 0%, #004d73 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,127,178,0.3);
    color: var(--cvg-white);
}

.btn-cvg-secondary {
    background: linear-gradient(135deg, var(--cvg-secondary) 0%, #b8935f 100%);
    border: none;
    color: var(--cvg-white);
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-cvg-secondary:hover {
    background: linear-gradient(135deg, #b8935f 0%, #a07f4f 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(206,164,115,0.3);
    color: var(--cvg-white);
}

/* Formularios */
.form-control:focus {
    border-color: var(--cvg-primary);
    box-shadow: 0 0 0 0.2rem rgba(0,127,178,0.25);
}

.form-label {
    font-weight: 600;
    color: var(--cvg-dark);
    margin-bottom: 0.5rem;
}

/* Login Card */
.login-card {
    max-width: 450px;
    margin: 4rem auto;
}

.login-header {
    background: linear-gradient(135deg, var(--cvg-primary) 0%, #006494 100%);
    color: var(--cvg-white);
    padding: 2rem;
    border-radius: 15px 15px 0 0;
    text-align: center;
}

.login-header h3 {
    margin: 0;
    font-weight: 700;
}

.login-body {
    padding: 2rem;
}

/* Dashboard Cards */
.dashboard-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    border: none;
    background: var(--cvg-white);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.dashboard-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.dashboard-card .icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--cvg-primary);
}

.dashboard-card img {
    max-width: 150px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.dashboard-card:hover img {
    transform: scale(1.1);
}

.dashboard-card h5 {
    font-weight: 600;
    color: var(--cvg-dark);
    margin-top: 1rem;
}

/* Tablas */
.table-cvg {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
}

.table-cvg thead {
    background: linear-gradient(135deg, var(--cvg-primary) 0%, #006494 100%);
    color: var(--cvg-white);
}

.table-cvg tbody tr {
    transition: all 0.2s ease;
}

.table-cvg tbody tr:hover {
    background-color: rgba(0,127,178,0.05);
    transform: scale(1.01);
}

/* Footer */
.footer-cvg {
    background: #15282D;
    color: var(--cvg-white);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-cvg a {
    color: var(--cvg-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-cvg a:hover {
    color: var(--cvg-white);
}

/* Alertas personalizadas */
.alert-cvg {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
}

/* Badges */
.badge-cvg {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .cvg-header {
        padding: 2rem 0;
    }
    
    .cvg-header h1 {
        font-size: 1.75rem;
    }
    
    .dashboard-card {
        margin-bottom: 1.5rem;
    }
    
    .login-card {
        margin: 2rem 1rem;
    }
}

/* Utilidades */
.text-cvg-primary {
    color: var(--cvg-primary) !important;
}

.text-cvg-secondary {
    color: var(--cvg-secondary) !important;
}

.bg-cvg-primary {
    background-color: var(--cvg-primary) !important;
}

.bg-cvg-secondary {
    background-color: var(--cvg-secondary) !important;
}

.bg-gradient-cvg {
    background: linear-gradient(135deg, var(--cvg-primary) 0%, #006494 100%);
}

/* Spinner de carga */
.spinner-cvg {
    border: 4px solid var(--cvg-light);
    border-top: 4px solid var(--cvg-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Breadcrumb personalizado */
.breadcrumb-cvg {
    background-color: transparent;
    padding: 1rem 0;
}

.breadcrumb-cvg .breadcrumb-item.active {
    color: var(--cvg-primary);
}

/* Efectos de hover para tarjetas */
.hover-shadow {
    transition: all 0.3s ease;
}

.hover-shadow:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15) !important;
}

/* Enlaces estirados para tarjetas clickeables */
.stretched-link::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    content: "";
}

/* Gradiente principal para headers */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--cvg-primary) 0%, #005580 100%);
}

/* Gradiente administrativo */
.bg-gradient-admin {
    background: linear-gradient(135deg, #6f42c1 0%, #563d7c 100%);
}

/* Avatar circle para usuarios */
.avatar-circle {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.avatar-circle-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 32px;
}