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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f5f5;
    padding: 20px;
}

.container, .hub-container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 { color: #333; margin-bottom: 20px; border-bottom: 3px solid #4CAF50; padding-bottom: 10px; }
h2 { color: #555; margin: 20px 0 15px 0; }

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

.card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.card:hover { transform: translateY(-5px); }
.card h2 { color: white; margin-bottom: 10px; }
.card p { margin-bottom: 15px; opacity: 0.9; }

.btn {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 8px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.btn:hover { background: rgba(255,255,255,0.3); }

.form-section, .filter-section {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 15px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.form-group label {
    width: 150px;
    font-weight: bold;
    margin-right: 10px;
}

.form-group input, .form-group select, .form-group textarea {
    flex: 1;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group textarea { height: 60px; }

.btn-primary, .btn-secondary, .btn-edit, .btn-delete, .btn-back {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin: 5px;
}

.btn-primary { background: #4CAF50; color: white; }
.btn-secondary { background: #2196F3; color: white; }
.btn-edit { background: #FFC107; color: #333; }
.btn-delete { background: #f44336; color: white; }
.btn-back { background: #666; color: white; display: inline-block; margin-top: 20px; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.data-table th {
    background: #4CAF50;
    color: white;
    padding: 10px;
    text-align: left;
}

.data-table td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

.data-table tr:hover { background: #f5f5f5; }

.entry-row { background: #e8f5e9; }
.exit-row { background: #ffebee; }
.entry-cell { color: #4CAF50; font-weight: bold; }
.exit-cell { color: #f44336; font-weight: bold; }

.alert {
    padding: 10px;
    margin: 10px 0;
    border-radius: 4px;
}

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

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.summary-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.summary-card .number {
    font-size: 32px;
    font-weight: bold;
    margin-top: 10px;
}

.positive { color: #4CAF50; }
.negative { color: #f44336; }

/* Dashboard adicionales */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Para el header del dashboard */
.dashboard-header {
    background: white;
    border-radius: 20px;
    padding: 25px 30px;
    margin-bottom: 25px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.dashboard-header h1 {
    font-size: 28px;
    color: #333;
    margin-bottom: 5px;
}

.dashboard-header p {
    color: #666;
    font-size: 14px;
}