/* Variables */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --border-radius: 8px;
    --box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Encabezados */
.main-header, .admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.main-header h1, .admin-header h1 {
    color: var(--secondary-color);
    font-size: 1.8em;
}

/* Navegación */
.admin-nav a {
    display: inline-block;
    padding: 10px 15px;
    margin: 0 5px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.admin-nav a:hover {
    background-color: #2980b9;
}

/* Botones */
.btn-primary, .btn-secondary, .btn-editar, .btn-eliminar {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-size: 14px;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

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

.btn-secondary:hover {
    background-color: #2c3e50;
}

.btn-editar {
    background-color: var(--warning-color);
    color: white;
    padding: 5px 10px;
    font-size: 12px;
}

.btn-editar:hover {
    background-color: #e67e22;
}

.btn-eliminar {
    background-color: var(--danger-color);
    color: white;
    padding: 5px 10px;
    font-size: 12px;
    border: none;
    cursor: pointer;
}

.btn-eliminar:hover {
    background-color: #c0392b;
}

/* Formularios */
.formulario-container {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
    flex: 1;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--dark-color);
}

input[type="text"],
input[type="time"],
input[type="date"],
input[type="number"],
select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="time"]:focus,
input[type="date"]:focus,
input[type="number"]:focus,
select:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* Tablas */
.tabla-responsive {
    overflow-x: auto;
}

.tabla-registros {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.tabla-registros th,
.tabla-registros td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.tabla-registros th {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

.tabla-registros tr:hover {
    background-color: #f8f9fa;
}

.acciones-cell {
    display: flex;
    gap: 5px;
}

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

.card {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.card h3 {
    color: var(--dark-color);
    margin-bottom: 10px;
    font-size: 1.1em;
}

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

.quick-actions {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.action-card {
    background: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--dark-color);
    transition: transform 0.3s;
}

.action-card:hover {
    transform: translateY(-5px);
    background: #d5dbdb;
}

.action-card h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Recibo */
.recibo-container {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 800px;
    margin: 0 auto;
}

.recibo-header {
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.recibo-header h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.recibo-info {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.recibo-section {
    margin-bottom: 25px;
    padding: 20px;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.recibo-section h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
}

.recibo-total {
    text-align: center;
    padding: 20px;
    background: #e8f4fc;
    border-radius: var(--border-radius);
    margin: 20px 0;
}

.recibo-total h2 {
    color: var(--success-color);
    font-size: 2em;
}

.recibo-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.recibo-footer .acciones {
    margin-top: 20px;
}

/* Resumen de reportes */
.resumen-reportes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.resumen-card {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.resumen-card h3 {
    color: var(--dark-color);
    margin-bottom: 10px;
    font-size: 1em;
}

.resumen-card p {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--primary-color);
}

/* Utilidades */
.no-data {
    text-align: center;
    color: #7f8c8d;
    font-style: italic;
    padding: 40px;
}

.error-container {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    max-width: 500px;
    margin: 50px auto;
}

.error-container h2 {
    color: var(--danger-color);
    margin-bottom: 20px;
}

/* Impresión */
@media print {
    .acciones, .admin-nav, .btn-primary, .btn-secondary {
        display: none !important;
    }
    
    body {
        background-color: white;
    }
    
    .container {
        box-shadow: none;
        padding: 0;
    }
    
    .recibo-container {
        box-shadow: none;
        padding: 20px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .main-header, .admin-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .formulario-container,
    .recibo-container {
        padding: 20px;
    }
    
    .tabla-registros {
        font-size: 14px;
    }
    
    .tabla-registros th,
    .tabla-registros td {
        padding: 8px;
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
    
    .resumen-reportes {
        grid-template-columns: 1fr;
    }
}