/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Login Page */
.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.login-header {
    background: #2c3e50;
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #3498db;
}

.login-header p {
    opacity: 0.8;
}

.login-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #3498db;
    color: white;
}

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

.btn-success {
    background: #27ae60;
    color: white;
}

.btn-success:hover {
    background: #229954;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-warning {
    background: #f39c12;
    color: white;
}

.btn-warning:hover {
    background: #e67e22;
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.login-footer {
    padding: 1rem 2rem;
    background: #f8f9fa;
    text-align: center;
}

.login-footer a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.login-footer a:hover {
    color: #3498db;
}

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: #2c3e50;
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    background: #34495e;
    text-align: center;
}

.sidebar-header h2 {
    color: #3498db;
    font-size: 1.5rem;
}

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

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: #3498db;
    color: white;
}

.sidebar-menu i {
    margin-right: 0.5rem;
    width: 20px;
}

.main-content {
    margin-left: 250px;
    flex: 1;
    padding: 2rem;
}

.page-header {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    color: #2c3e50;
    font-size: 1.8rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info span {
    color: #666;
}

.logout-btn {
    background: #e74c3c;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
}

.logout-btn:hover {
    background: #c0392b;
}

/* Cards */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    color: #2c3e50;
    font-size: 1.3rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

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

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.blue {
    background: #3498db;
}

.stat-icon.green {
    background: #27ae60;
}

.stat-icon.orange {
    background: #f39c12;
}

.stat-icon.red {
    background: #e74c3c;
}

.stat-info h4 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: #666;
    font-size: 0.9rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

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

.table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.table tr:hover {
    background: #f8f9fa;
}

/* Status badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

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

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: #2c3e50;
}

.close {
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}