/* ============================================= */
/* ESTILOS GENERALES Y VARIABLES */
/* ============================================= */

:root {
    --primary-color: #0066cc;
    --secondary-color: #666666;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-gray: #f8f9fa;
    --border-color: #ddd;
    --text-color: #333;
    --header-bg: #f5f5f5;
    --spacing-unit: 10px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--light-gray);
    color: var(--text-color);
    line-height: 1.6;
}

/* ============================================= */
/* PÁGINA DE LOGIN */
/* ============================================= */

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0052a3 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--secondary-color);
    font-size: 14px;
}

.login-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(0, 102, 204, 0.3);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-login:hover {
    background-color: #0052a3;
}

.error-message {
    background-color: var(--danger-color);
    color: white;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.success-message {
    background-color: var(--success-color);
    color: white;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.login-footer {
    background-color: var(--light-gray);
    padding: 15px;
    border-radius: 4px;
    text-align: center;
    font-size: 12px;
}

.login-footer small {
    display: block;
    margin: 5px 0;
    color: var(--secondary-color);
}

/* ============================================= */
/* CONTENEDOR PRINCIPAL */
/* ============================================= */

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--light-gray);
}

/* ============================================= */
/* HEADER/NAVEGACIÓN */
/* ============================================= */

.header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo h2 {
    color: var(--primary-color);
    font-size: 24px;
    margin: 0;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 30px;
    flex: 1;
    margin-left: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    transition: color 0.3s;
    Font-size: 14px;
    padding: 8px 12px;
    border-bottom: 3px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 13px;
    color: var(--secondary-color);
}

.btn-logout {
    padding: 8px 16px;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: background-color 0.3s;
}

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

/* ============================================= */
/* CONTENIDO PRINCIPAL */
/* ============================================= */

.main-content {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 30px 20px;
}

/* ============================================= */
/* CARDS */
/* ============================================= */

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    background-color: var(--header-bg);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--text-color);
}

.card-body {
    padding: 20px;
}

/* ============================================= */
/* DASHBOARD */
/* ============================================= */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    padding: 20px 0;
}

.action-section {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

/* ============================================= */
/* BOTONES */
/* ============================================= */

.btn-primary,
.btn-secondary,
.btn-success,
.btn-danger {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: #0052a3;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

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

.btn-secondary:hover {
    background-color: #555;
}

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

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

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

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

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    margin: 2px;
}

/* ============================================= */
/* TABLAS */
/* ============================================= */

.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table thead {
    background-color: var(--header-bg);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-color);
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: var(--light-gray);
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-abierto {
    background-color: #e7f3ff;
    color: var(--primary-color);
}

.badge-pendiente {
    background-color: #fff3cd;
    color: #856404;
}

.badge-en-progreso {
    background-color: #d1ecf1;
    color: #0c5460;
}

.badge-cerrado {
    background-color: #d4edda;
    color: #155724;
}

/* ============================================= */
/* MODALES */
/* ============================================= */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.modal-grande {
    max-width: 800px;
}

.modal-header {
    background-color: var(--header-bg);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
}

.btn-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--secondary-color);
    transition: color 0.3s;
}

.btn-close:hover {
    color: var(--text-color);
}

.form-caso,
.form-detalle,
.form-admin {
    padding: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* ============================================= */
/* FILTROS */
/* ============================================= */

.filter-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
}

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

.filter-group label {
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.filter-group input,
.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

/* ============================================= */
/* LISTA DE CASOS */
/* ============================================= */

.casos-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.caso-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.caso-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.caso-numero {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.caso-titulo {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.caso-info {
    font-size: 12px;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

/* ============================================= */
/* PESTAÑAS */
/* ============================================= */

.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
    gap: 10px;
}

.tab-button {
    padding: 12px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary-color);
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-button:hover {
    color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.tab-header h2 {
    margin: 0;
    font-size: 20px;
}

/* ============================================= */
/* COMENTARIOS */
/* ============================================= */

.comentarios-section {
    max-height: 300px;
    overflow-y: auto;
}

.comentario {
    padding: 12px;
    background-color: var(--light-gray);
    border-left: 4px solid var(--primary-color);
    margin-bottom: 10px;
    border-radius: 4px;
}

.comentario-usuario {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 13px;
    margin-bottom: 5px;
}

.comentario-fecha {
    font-size: 12px;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.comentario-texto {
    font-size: 13px;
    line-height: 1.4;
}

/* ============================================= */
/* ANIMACIONES */
/* ============================================= */

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

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

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

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .nav-menu ul {
        margin-left: 0;
        flex-direction: column;
        gap: 10px;
    }

    .user-info {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        max-width: none;
    }

    .table {
        font-size: 12px;
    }

    .table th,
    .table td {
        padding: 8px;
    }

    .filter-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 15px 10px;
    }

    .header-content {
        padding: 10px;
    }

    .logo h2 {
        font-size: 18px;
    }

    .button, .btn-login, .btn-primary {
        font-size: 13px;
        padding: 8px 16px;
    }

    .card {
        border-radius: 4px;
    }

    .card-header,
    .card-body {
        padding: 10px;
    }
}