/* assets/css/style.css */
:root {
    --primary-color: #0f172a;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --bg-color: #f1f5f9;
    --surface-color: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --sidebar-width: 250px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
}

h1, h2, h3 { color: var(--primary-color); }
a { text-decoration: none; color: inherit; }

/* Login */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e293b 100%);
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-glass);
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.login-card h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
    text-align: center;
}

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

.btn-secondary {
    background-color: var(--text-muted);
}
.btn-secondary:hover {
    background-color: var(--text-main);
}

.btn-danger {
    background-color: var(--danger);
}
.btn-danger:hover {
    background-color: #dc2626;
}

.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-danger { background-color: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background-color: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }

/* Layout Principal */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
}

.sidebar-menu li a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: all 0.3s;
}

.sidebar-menu li a:hover, .sidebar-menu li a.active {
    background-color: var(--bg-color);
    color: var(--accent-color);
    border-right: 3px solid var(--accent-color);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.navbar {
    background-color: var(--surface-color);
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.toggle-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

.content {
    padding: 2rem;
    flex: 1;
}

/* Dashboard Cards */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.card h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.card .value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Tablas e Interfaz de Módulos */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin-top: 1rem;
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.table-custom {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.table-custom th {
    background-color: #f8fafc;
    color: var(--text-main);
    padding: 1rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.table-custom td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.table-custom tr:hover {
    background-color: #f8fafc;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50px;
    text-align: center;
}

.badge-success { background-color: #d1fae5; color: #065f46; }
.badge-danger { background-color: #fee2e2; color: #991b1b; }

/* Modales */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-glass);
    width: 100%;
    max-width: 600px;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-backdrop.open .modal-box {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.close-modal-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

/* Paginación y acciones superiores */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.search-box {
    max-width: 350px;
    width: 100%;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.page-btn {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.page-btn.active, .page-btn:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Notificaciones flotantes toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
}

.toast {
    background: var(--surface-color);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--accent-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.active { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .action-bar { flex-direction: column; align-items: stretch; }
    .search-box { max-width: 100%; }
}