/* ============================================
   COMPONENTES REUTILIZABLES
   ============================================ */

/* ===== FORMULARIOS ===== */

form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    font-size: var(--font-size-sm);
}

input[type="text"],
input[type="email"],
input[type="phone"],
input[type="tel"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius-md);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    background-color: var(--color-white);
    color: var(--color-dark);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="phone"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 61, 130, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== VALIDACIÓN DE FORMULARIO ===== */

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: var(--color-danger);
}

.error-message {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
    display: none;
}

.form-group.error .error-message {
    display: block;
}

.success-message {
    color: var(--color-success);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

/* ===== TARJETAS ===== */

.card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-light);
}

/* ===== ALERTAS ===== */

.alert {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.alert-warning {
    background-color: rgba(243, 156, 18, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background-color: rgba(52, 152, 219, 0.1);
    border-color: var(--color-info);
    color: var(--color-info);
}

/* ===== BADGES ===== */

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
}

.badge-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.badge-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.badge-success {
    background-color: var(--color-success);
    color: var(--color-white);
}

/* ===== BREADCRUMB ===== */

.breadcrumb {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.breadcrumb a {
    color: var(--color-primary);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 var(--spacing-sm);
}

/* ===== PÁGINA INTERNA ===== */

.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: 180px 0 var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    margin-top: 0;
}

.page-hero h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white) !important;
}

.page-hero .breadcrumb {
    color: rgba(255, 255, 255, 0.8);
}

.page-hero .breadcrumb a {
    color: var(--color-white);
}

.page-hero > .container > p {
    color: rgba(255, 255, 255, 0.75);
    font-size: var(--font-size-lg);
    margin: 0;
}

/* ===== MAIN CONTENT ===== */

.main-content {
    min-height: 400px;
    padding: var(--spacing-2xl) 0;
}

.content-section {
    margin-bottom: var(--spacing-xl);
}

/* ===== GRID LAYOUT ===== */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ===== FLEXBOX HELPERS ===== */

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-column {
    display: flex;
    flex-direction: column;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ===== IMÁGENES ===== */

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

.img-thumbnail {
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
}

/* ===== VIDEO RESPONSIVE ===== */

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-container iframe,
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===== LISTAS ===== */

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-sm);
}

/* ===== TABLES ===== */

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
}

th, td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-light);
}

th {
    background-color: var(--color-light);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

tr:hover {
    background-color: var(--color-light);
}

/* ===== SEPARADORES ===== */

hr {
    border: none;
    height: 1px;
    background-color: var(--color-gray-light);
    margin: var(--spacing-xl) 0;
}

/* ===== OVERLAY ===== */

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    display: none;
}

.overlay.active {
    display: block;
}

/* ===== LOADING ===== */

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

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

/* ===== ANIMACIONES BÁSICAS ===== */

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

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn var(--transition-normal);
}

.slide-up {
    animation: slideUp var(--transition-normal);
}

.slide-down {
    animation: slideDown var(--transition-normal);
}