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

:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --secondary: #64748B;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --light: #F8FAFC;
    --dark: #1E293B;
    --border: #E2E8F0;
    --sidebar-width: 260px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark);
    background: #F1F5F9;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 18px;
    margin-bottom: 5px;
}

.sidebar-header .version {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-icon {
    font-size: 20px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 12px;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 30px;
    width: calc(100% - var(--sidebar-width));
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.page-actions {
    display: flex;
    gap: 10px;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-body {
    padding: 20px;
}

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

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.stat-icon {
    font-size: 40px;
    margin-right: 20px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
}

.stat-label {
    font-size: 14px;
    color: var(--secondary);
}

.stat-success { border-left: 4px solid var(--success); }
.stat-danger { border-left: 4px solid var(--danger); }
.stat-warning { border-left: 4px solid var(--warning); }
.stat-info { border-left: 4px solid var(--info); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

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

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

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

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

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

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

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

.btn-light {
    background: var(--light);
    color: var(--dark);
    border: 1px solid var(--border);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 5px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.form-text {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: var(--secondary);
}

.filter-form {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.filter-form .form-group {
    margin-bottom: 0;
    flex: 1;
}

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

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

.table thead {
    background: var(--light);
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-weight: 600;
    color: var(--dark);
}

.table tbody tr:hover {
    background: var(--light);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary { background: var(--primary); color: white; }
.badge-secondary { background: var(--secondary); color: white; }
.badge-success { background: var(--success); color: white; }
.badge-danger { background: var(--danger); color: white; }
.badge-warning { background: var(--warning); color: white; }
.badge-info { background: var(--info); color: white; }

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    position: relative;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--success);
}

.alert-error,
.alert-danger {
    background: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: #FEF3C7;
    color: #92400E;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: #DBEAFE;
    color: #1E40AF;
    border-left: 4px solid var(--info);
}

.alert-dismissible {
    padding-right: 40px;
}

.alert .close {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.5;
}

.alert .close:hover {
    opacity: 1;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination-info {
    color: var(--secondary);
    font-size: 14px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
}

.modal-header .close {
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: var(--secondary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--secondary); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }

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

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

.login-box {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 24px;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--secondary);
}

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

.login-footer {
    margin-top: 30px;
    text-align: center;
    font-size: 12px;
    color: var(--secondary);
}

.login-footer p {
    margin: 5px 0;
}
/* Footer */
.footer {
    background: var(--light);
    border-top: 1px solid var(--border);
    padding: 1rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    color: var(--secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: var(--secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--danger);
}

.system-info, .support-info {
    margin-top: 1rem;
}

.system-info p, .support-info p {
    margin: 0.5rem 0;
    display: flex;
    justify-content: space-between;
}

.support-info ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.support-info li {
    margin: 0.5rem 0;
}

/* Dashboard específico */
.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.activity-list {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    font-size: 1.2rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-content p {
    margin: 0 0 0.25rem 0;
    font-size: 0.9rem;
}

.activity-content small {
    font-size: 0.8rem;
    color: var(--secondary);
}

/* Alertas */
.alerts-container {
    margin-bottom: 2rem;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--warning);
    color: #92400e;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--danger);
    color: #991b1b;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--info);
    color: #1e40af;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--success);
    color: #065f46;
}

.alert-icon {
    font-size: 1.5rem;
}

.alert-content {
    flex: 1;
}

.alert-action {
    background: none;
    border: 1px solid currentColor;
    color: inherit;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.alert-action:hover {
    background: currentColor;
    color: white;
}

/* Status indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-online .status-dot {
    background: var(--success);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
}

.status-offline .status-dot {
    background: var(--danger);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.3);
}

.status-warning .status-dot {
    background: var(--warning);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.3);
}

/* Loading states */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsividade melhorada */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        overflow-x: auto;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}