/* assets/css/style.css */

/* Variables de diseño */
:root {
    --primary: #004c99;
    --primary-hover: #003d7a;
    --success: #28a745;
    --danger: #dc3545;
    --text: #333;
    --text-muted: #6c757d;
    --bg: #f8f9fa;
    --white: #ffffff;
    --border: #ddd;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

/* Encabezado */
header {
    background: var(--primary);
    color: white;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

header .logo img {
    height: 40px;
    border-radius: 5px;
}

header h1 {
    font-size: 1.5rem;
    margin: 0;
    color: white;
    font-weight: 500;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 15px;
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover {
    text-decoration: underline;
}

/* Contenedor principal - Centrado */
.container {
    max-width: 800px;
    margin: auto;
    padding: 20px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Tarjetas - Centradas por defecto */
.card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    transition: var(--transition);
}

.card h2 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
    text-align: center;
}

/* Formularios - Centrados */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: auto;
}

form label {
    font-weight: 600;
    color: var(--text);
}

form input,
form select,
form textarea,
form button {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

form input:focus,
form select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 76, 153, 0.2);
}

form button {
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
}

form button:hover {
    background: var(--primary-hover);
}

/* Tablas */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.data-table thead {
    background-color: var(--primary);
    color: white;
}

.data-table th,
.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.data-table tr:hover {
    background-color: #f1f1f1;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    margin: 5px 0;
}

.btn:hover {
    background-color: var(--primary-hover);
}

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

.btn-success:hover {
    background-color: #218838;
}

.btn-danger {
    background-color: var(--danger);
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Alertas */
.alert {
    padding: 15px;
    margin: 15px 0;
    border-radius: var(--border-radius);
    font-weight: bold;
    text-align: center;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer */
footer {
    margin-top: 50px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 20px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Vista de impresión */
@media print {
    body {
        background: white;
        color: black;
    }

    header, nav, .btn, footer, .card, .alert {
        display: none !important;
    }
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        text-align: center;
    }

    nav {
        margin-top: 10px;
    }

    nav a {
        margin: 0 10px;
    }

    .container {
        padding: 15px;
        margin: 10px;
    }

    form {
        padding: 10px;
    }
}
/* ============================================
   SPINNERS DE CARGA
   ============================================ */

.btn-loading {
    opacity: 0.8;
    cursor: not-allowed !important;
    pointer-events: none;
}

.btn-loading .spinner-border {
    vertical-align: middle;
}

/* Spinner más grande para botones grandes */
.btn-lg .spinner-border {
    width: 1.2rem;
    height: 1.2rem;
}

/* Animación suave al deshabilitar */
button, .btn {
    transition: opacity 0.2s ease, background-color 0.2s ease;
}

/* Overlay de carga para formularios grandes */
.form-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(2px);
}

.form-loading-overlay .spinner-container {
    background: white;
    padding: 30px 50px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    text-align: center;
}

.form-loading-overlay .spinner-container p {
    margin: 15px 0 0;
    font-size: 1.1rem;
    color: #004c99;
    font-weight: 600;
}

/* ✅ Modo Pantalla Completa */
.body-fullscreen > *:not(.table-section) {
    display: none !important;
}

.body-fullscreen .table-section {
    max-height: 95vh !important;
    margin: 0;
    padding: 20px;
}

.body-fullscreen .dataTables_scrollBody {
    max-height: 85vh !important;
}

#btnPantallaCompleta.active i {
    transform: rotate(180deg);
}