/* ===========================
   VARIABLES
=========================== */
:root {
    --primary-color: #1a56db;
    --primary-dark: #1e429f;
    --secondary-color: #3b82f6;
    --success-color: #059669;
    --info-color: #6366f1;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --light-color: #222a31;
    --dark-color: #111827;
    
    --body-bg: #ffffff;
    --card-bg: #ffffff;
    --border-color: #222730;
    --text-color: #2b2b2b;
    --text-muted: #4e4e4e;
    --text-color-white: #ffffff;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================
   GENERAL STYLES
=========================== */
body {
    background-color: var(--body-bg);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    padding: 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
}


/* ===== HEADER / TITLES ===== */
.page-header {
    background: var(--card-bg);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

/* Card Styles */
.card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.card-header {
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Form Styles */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.975rem;
    transition: var(--transition);
    width: 100%;
    color: var(--text-color);
    background-color: var(--card-bg);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid transparent; /* No desactivar bordes para outline */
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.975rem;
    /* color y background los definen las variantes o Bootstrap */
}

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

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

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

.btn-success:hover {
    filter: brightness(0.9);
}

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

.btn-danger:hover {
    filter: brightness(0.9);
}

/* Table Styles */
.table {
    width: 100%;
    margin-bottom: 1rem;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    border-collapse: separate;
    border-spacing: 0;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.table th,
.table td {
    padding: 1rem 1.5rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.table th {
    font-weight: 600;
    background-color: var(--light-color);
    text-align: left;
    color: var(--text-color-white);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background-color: #f5f7fa; /* Fondo claro para conservar contraste */
}

.table tbody tr:hover a {
    color: var(--primary-dark);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Alert Styles */
.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: #dcfce7;
    border-color: #86efac;
    color: #166534;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
}

/* Badge Styles */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35em 0.65em;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-sm);
    /* Permitir que Bootstrap controle el color de texto según bg/text-*
       No forzar blanco para no ocultar badges claros */
    color: inherit;
}

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

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

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

/* Edit Form Styles */
.edit-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem;
    min-height: calc(100vh - 4rem);
}

.edit-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 32rem;
    padding: 2rem;
}

.edit-title {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.5rem;
}

.edit-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.edit-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.edit-group label {
    font-weight: 500;
    color: var(--text-color);
}

.edit-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.edit-actions .btn {
    flex: 1;
}

/* Main Content Styles */
.main-content {
    transition: var(--transition);
    padding: 1.5rem;
}

/* Link Styles */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .page-header {
        padding: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .edit-card {
        padding: 1.5rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
    }
}

@media (max-width: 576px) {
    .edit-actions {
        flex-direction: column;
    }
    
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}