/* ==========================================================================
   Arena Proxy - Custom Theme
   Paleta: Laranja Arena (#ED7514), Azul Petróleo Escuro (#042D3F), Branco (#FFFFFF)
   ========================================================================== */

:root {
    /* Cores Marca Arena */
    --primary-color: #ED7514;
    --primary-light: #FA8223;
    --primary-dark: #D65F06;
    --primary-glow: rgba(237, 117, 20, 0.35);
    
    --secondary-color: #042D3F;
    --secondary-dark: #021722;
    --secondary-light: #08435C;
    
    --accent-color: #FA8223;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #0284c7;
    
    /* Superfícies e Fundos */
    --bg-dark: #021622;
    --bg-surface: #042637;
    --bg-surface-elevated: #063248;
    --bg-input: #021e2d;
    
    /* Tipografia */
    --text-primary: #FFFFFF;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Bordas */
    --border-color: rgba(237, 117, 20, 0.22);
    --border-color-subtle: rgba(255, 255, 255, 0.08);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.35);
    --shadow-md: 0 6px 16px -1px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 12px 28px -3px rgba(0, 0, 0, 0.55);
    --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.65);
    --shadow-orange: 0 10px 25px rgba(237, 117, 20, 0.38);
    
    --transition-all: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Body e Layout */
body {
    background: radial-gradient(circle at 90% 10%, rgba(237, 117, 20, 0.16) 0%, transparent 45%),
                radial-gradient(circle at 10% 90%, rgba(237, 117, 20, 0.10) 0%, transparent 40%),
                radial-gradient(circle at 50% 50%, rgba(4, 45, 63, 0.9) 0%, transparent 100%),
                linear-gradient(135deg, #021722 0%, #042D3F 50%, #031c29 100%);
    background-attachment: fixed;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    min-height: 100vh;
    color: var(--text-primary);
}

/* Modern Navbar */
.modern-navbar {
    background: rgba(4, 38, 55, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
    padding: 0.85rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.35rem;
    color: #FFFFFF !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand span {
    color: #FFFFFF;
}

.navbar-brand .brand-accent {
    color: var(--primary-color) !important;
}

.modern-navbar .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-all);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    position: relative;
}

.modern-navbar .nav-link:hover {
    color: var(--primary-color);
    background: rgba(237, 117, 20, 0.12);
}

.modern-navbar .nav-link.active {
    color: var(--primary-color);
    background: rgba(237, 117, 20, 0.18);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(237, 117, 20, 0.7);
}

/* Cards & Surfaces */
.card, .content-section, .config-section, .site-detail-card, .chart-container, .activity-feed {
    background: rgba(4, 36, 51, 0.8) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color-subtle) !important;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
    transition: var(--transition-all);
    overflow: hidden;
}

.card:hover, .content-section:hover, .config-section:hover, .site-detail-card:hover {
    border-color: var(--border-color) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(237, 117, 20, 0.12);
}

.card-header, .config-section-header, .site-detail-header {
    background: rgba(2, 25, 36, 0.9) !important;
    border-bottom: 1px solid var(--border-color-subtle) !important;
    color: #FFFFFF !important;
    font-weight: 600;
    padding: 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

/* Stat Cards */
.stat-card {
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    border: none;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: white;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.stat-card.primary {
    background: linear-gradient(135deg, #FA8223 0%, #ED7514 50%, #C85800 100%) !important;
    box-shadow: var(--shadow-orange);
}

.stat-card.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.35);
}

.stat-card.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.35);
}

.stat-card.info {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%) !important;
    box-shadow: 0 10px 25px rgba(2, 132, 199, 0.35);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    color: #FFFFFF;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

.stat-icon {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    opacity: 0.25;
}

/* Modern Buttons */
.btn {
    border-radius: 0.55rem;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: var(--transition-all);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    background: linear-gradient(135deg, #FA8223 0%, #ED7514 55%, #D65F06 100%) !important;
    color: white !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(237, 117, 20, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #FF8C33 0%, #F57C1B 55%, #E06708 100%) !important;
    color: white !important;
    box-shadow: 0 6px 22px rgba(237, 117, 20, 0.52);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: white !important;
    border: none !important;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #18c78f 0%, #06a775 100%) !important;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
    color: white !important;
}

.btn-outline-primary {
    background: transparent !important;
    border: 1px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.btn-outline-primary:hover {
    background: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 4px 15px rgba(237, 117, 20, 0.38);
}

.btn-outline-secondary {
    background: transparent !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: var(--text-secondary) !important;
}

.btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #FFFFFF !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
    border: none !important;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
    color: white !important;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #e44252 0%, #d32b3b 100%) !important;
    box-shadow: 0 4px 16px rgba(220, 53, 69, 0.4);
    transform: translateY(-2px);
    color: white !important;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #FFFFFF !important;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    color: #FFFFFF !important;
    transform: translateY(-2px);
}

/* Quick Actions */
.quick-actions {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.quick-action-btn {
    background: rgba(2, 27, 39, 0.75) !important;
    border: 1px solid var(--border-color-subtle) !important;
    padding: 1rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-all);
    text-decoration: none;
    color: #FFFFFF !important;
}

.quick-action-btn:hover {
    border-color: var(--primary-color) !important;
    background: rgba(237, 117, 20, 0.12) !important;
    transform: translateX(4px);
    color: var(--primary-color) !important;
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.quick-action-icon.primary {
    background: rgba(237, 117, 20, 0.18) !important;
    color: var(--primary-color) !important;
}

.quick-action-icon.success {
    background: rgba(16, 185, 129, 0.15) !important;
    color: var(--success-color) !important;
}

.quick-action-icon.info {
    background: rgba(2, 132, 199, 0.15) !important;
    color: var(--info-color) !important;
}

.quick-action-icon.warning {
    background: rgba(245, 158, 11, 0.15) !important;
    color: var(--warning-color) !important;
}

.quick-action-text {
    flex: 1;
}

.quick-action-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #FFFFFF;
}

.quick-action-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Site Cards & Site List */
.site-card {
    background: rgba(4, 36, 51, 0.8) !important;
    border-radius: 0.75rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color-subtle) !important;
    transition: var(--transition-all);
    position: relative;
    color: #FFFFFF;
}

.site-card:hover {
    border-color: var(--primary-color) !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 15px rgba(237, 117, 20, 0.15) !important;
    transform: translateY(-2px);
}

.site-list-item {
    display: flex;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color-subtle) !important;
    transition: all 0.3s ease;
    position: relative;
    background: rgba(4, 36, 51, 0.75) !important;
    color: #FFFFFF;
}

.site-list-item:hover {
    background: rgba(237, 117, 20, 0.08) !important;
    transform: translateX(4px);
    box-shadow: inset 4px 0 0 var(--primary-color) !important;
}

.site-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.site-icon.static {
    background: rgba(2, 132, 199, 0.18) !important;
    color: #38bdf8 !important;
}

.site-icon.proxy {
    background: rgba(237, 117, 20, 0.18) !important;
    color: var(--primary-color) !important;
}

.site-name {
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.35rem;
    color: #FFFFFF;
}

.site-domain {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.site-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.site-type-badge.proxy {
    background: rgba(237, 117, 20, 0.18) !important;
    color: var(--primary-color) !important;
}

.site-type-badge.static {
    background: rgba(2, 132, 199, 0.18) !important;
    color: #38bdf8 !important;
}

.site-type-badge.load-balancer {
    background: rgba(245, 158, 11, 0.18) !important;
    color: var(--warning-color) !important;
}

/* Site Type Cards in New Site */
.site-type-card {
    border: 2px solid var(--border-color-subtle) !important;
    border-radius: 12px;
    background: rgba(2, 27, 39, 0.85) !important;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    color: #FFFFFF;
}

.site-type-card:hover {
    border-color: var(--primary-color) !important;
    box-shadow: 0 4px 16px rgba(237, 117, 20, 0.25);
    transform: translateY(-2px);
}

.site-type-card input[type="radio"]:checked + label {
    background: linear-gradient(135deg, #FA8223 0%, #ED7514 100%) !important;
    color: white !important;
}

.type-icon.static {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%) !important;
}

.type-icon.proxy {
    background: linear-gradient(135deg, #FA8223 0%, #ED7514 100%) !important;
}

.type-icon.balancer {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

/* Tables */
.table {
    color: #e2e8f0 !important;
    background: transparent !important;
    border-color: var(--border-color-subtle) !important;
}

.table th {
    color: var(--text-secondary) !important;
    background-color: rgba(2, 23, 33, 0.9) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    font-weight: 600;
}

.table td {
    border-bottom: 1px solid var(--border-color-subtle) !important;
    background: transparent !important;
    color: #e2e8f0 !important;
}

.table-hover tbody tr:hover {
    background-color: rgba(237, 117, 20, 0.08) !important;
    color: #FFFFFF !important;
}

/* Form Controls & Inputs */
.form-control, .form-select {
    background-color: rgba(2, 27, 39, 0.85) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #FFFFFF !important;
    border-radius: 8px;
    transition: all 0.25s ease;
}

.form-control:focus, .form-select:focus {
    background-color: rgba(2, 33, 48, 0.95) !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(237, 117, 20, 0.25) !important;
    color: #FFFFFF !important;
    outline: none;
}

.form-control::placeholder {
    color: #64748b !important;
}

.input-group-text {
    background-color: rgba(2, 23, 33, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: var(--text-secondary) !important;
}

.form-label {
    color: #e2e8f0 !important;
    font-weight: 500;
}

.form-check-input {
    background-color: rgba(2, 27, 39, 0.85);
    border-color: rgba(255, 255, 255, 0.25);
}

.form-check-input:checked {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

/* Activity Feed */
.activity-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color-subtle);
    transition: var(--transition-all);
}

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

.activity-item:hover {
    background: rgba(237, 117, 20, 0.06);
    margin: 0 -1rem;
    padding: 1rem;
    border-radius: 8px;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon.success {
    background: rgba(16, 185, 129, 0.18);
    color: var(--success-color);
}

.activity-icon.warning {
    background: rgba(245, 158, 11, 0.18);
    color: var(--warning-color);
}

.activity-icon.info {
    background: rgba(237, 117, 20, 0.18);
    color: var(--primary-color);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Modals & Dropdowns */
.modal-content {
    background: #042433 !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(237, 117, 20, 0.15) !important;
    color: #FFFFFF !important;
    border-radius: 16px;
}

.modal-header {
    background: rgba(2, 25, 36, 0.95) !important;
    border-bottom: 1px solid var(--border-color-subtle) !important;
}

.modal-footer {
    border-top: 1px solid var(--border-color-subtle) !important;
}

.dropdown-menu {
    background: #042433 !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6) !important;
}

.dropdown-item {
    color: #e2e8f0 !important;
    transition: var(--transition-all);
}

.dropdown-item:hover {
    background: rgba(237, 117, 20, 0.18) !important;
    color: var(--primary-color) !important;
}

/* Toast Notifications */
.toast {
    background: #042433 !important;
    border: 1px solid var(--border-color) !important;
    color: #FFFFFF !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5) !important;
}

.toast-header {
    background-color: rgba(2, 25, 36, 0.95) !important;
    color: #FFFFFF !important;
    border-bottom: 1px solid var(--border-color-subtle) !important;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(4, 36, 51, 0.75) !important;
    border-radius: 1rem;
    border: 2px dashed var(--border-color) !important;
    color: #FFFFFF;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: rgba(237, 117, 20, 0.18) !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color) !important;
}

.empty-state h5 {
    color: #FFFFFF !important;
    font-weight: 600;
}

.empty-state p {
    color: var(--text-secondary) !important;
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 22, 34, 0.9);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color-subtle);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #021722;
}

::-webkit-scrollbar-thumb {
    background: #08435C;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Layout Utilities */
.dashboard-container {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-title {
    font-size: 2rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 0.5rem;
}

.dashboard-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.text-gradient {
    background: linear-gradient(135deg, #FA8223 0%, #ED7514 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge {
    font-weight: 600;
    padding: 0.5em 0.75em;
    border-radius: 6px;
}