/* ==========================================================================
   LANGNET Premium Glassmorphism Dark Mode Styling - FTTH OSS/BSS
   ========================================================================== */

:root {
    --bg-app: #090d16;
    --bg-surface: #0f1624;
    --bg-card: rgba(22, 32, 53, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.3);
    
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --glass-blur: blur(16px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--bg-app);
    color: var(--text-main);
    overflow-x: hidden;
    height: 100vh;
}

/* App Layout Grid */
.app-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    justify-content: space-between;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    padding-left: 8px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #6366f1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-name {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.nav-item:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
    color: white;
    background-color: var(--primary);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.nav-item svg {
    opacity: 0.8;
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.server-time-box {
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.time-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

#live-server-clock {
    font-family: monospace;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--success);
}

/* Main Content Area */
.main-content {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 24px 32px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.topbar h1 {
    font-size: 1.6rem;
    font-weight: 700;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 2px solid var(--primary);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Tab Switching Control */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.bg-primary { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.bg-success { background: linear-gradient(135deg, #10b981, #047857); }
.bg-danger { background: linear-gradient(135deg, #ef4444, #b91c1c); }
.bg-warning { background: linear-gradient(135deg, #f59e0b, #b45309); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 4px;
}

/* Cards & Maps */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

#map {
    height: 500px;
    width: 100%;
    border-radius: 12px;
    background-color: #1e293b;
    z-index: 1;
}

/* Map Legend */
.map-legend {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.legend-color.online { background-color: var(--success); }
.legend-color.offline { background-color: var(--danger); }
.legend-color.suspend { background-color: var(--warning); }
.legend-color.odp { background-color: var(--primary); border: 2px solid white; }

/* Tables styling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

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

.table th, .table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

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

.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
}

.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-warning { background-color: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-primary { background-color: rgba(59, 130, 246, 0.15); color: var(--primary); }

/* Forms & Inputs */
.form-control {
    width: 100%;
    box-sizing: border-box;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: white;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-control option {
    background-color: #0f1624;
    color: white;
}

.form-control:focus {
    border-color: var(--primary);
}

.input-search {
    width: 250px;
}

/* Buttons */
.btn {
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 12px var(--primary-glow);
}

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

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--bg-surface);
    margin: 6% auto;
    padding: 24px;
    border: 1px solid var(--border-color);
    width: 650px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: slideDown 0.3s ease;
}

.modal-content-sm {
    background-color: var(--bg-surface);
    margin: 10% auto;
    padding: 24px;
    border: 1px solid var(--border-color);
    width: 450px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { transform: translateY(-40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 14px;
    margin-bottom: 20px;
}

.close-modal, .close-ztp-modal {
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-muted);
}

.close-modal:hover, .close-ztp-modal:hover {
    color: white;
}

/* Modal Inner Details */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.detail-col h4 {
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
    margin-bottom: 12px;
    color: var(--primary);
}

.detail-col p {
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--text-main);
}

.detail-col strong {
    color: var(--text-muted);
    font-weight: 500;
}

.billing-status-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.bill-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.bill-info div {
    font-size: 0.8rem;
    margin-top: 4px;
}

.acs-actions-box {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.acs-actions-box h4 {
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.actions-grid {
    display: flex;
    gap: 12px;
}

.form-wifi {
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

.form-wifi h5 {
    font-size: 0.85rem;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.w-100 { width: 100%; justify-content: center; }

/* Toast Notifications */
.toast {
    visibility: hidden;
    min-width: 250px;
    background-color: var(--bg-surface);
    border: 1px solid var(--primary);
    color: #fff;
    text-align: center;
    border-radius: 8px;
    padding: 16px;
    position: fixed;
    z-index: 2000;
    right: 30px;
    bottom: 30px;
    font-size: 0.9rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    transition: visibility 0.2s, opacity 0.2s ease-in-out;
    opacity: 0;
}

.toast.show {
    visibility: visible;
    opacity: 1;
}

/* Custom styles for Leaflet elements to match dark mode */
.leaflet-container {
    background: #0f1624 !important;
}

.leaflet-bar a {
    background-color: var(--bg-surface) !important;
    color: white !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.leaflet-popup-content-wrapper {
    background-color: var(--bg-surface) !important;
    color: white !important;
    border: 1px solid var(--border-color);
    border-radius: 12px !important;
}

.leaflet-popup-tip {
    background-color: var(--bg-surface) !important;
}

/* Custom styling for Leaflet layers control toggle */
.leaflet-control-layers {
    background-color: var(--bg-surface) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5) !important;
    padding: 6px 10px !important;
}

.leaflet-control-layers-list label {
    cursor: pointer;
    display: block;
    margin: 4px 0;
}

/* ==========================================================================
   System Settings Styling
   ========================================================================== */
.settings-section {
    margin-bottom: 28px;
}

.settings-section h4 {
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-left: 10px;
    border-left: 3px solid var(--primary);
}

.settings-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 32px 0;
}

.help-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
    line-height: 1.5;
}

.form-row {
    display: flex;
    gap: 16px;
}

.col-3 {
    flex: 0 0 calc(25% - 12px);
}

.col-4 {
    flex: 0 0 calc(33.333% - 11px);
}

.col-6 {
    flex: 1;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-size: 14px;
}

.checkbox-container input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.settings-header h4 {
    margin-bottom: 0 !important;
}

.btn-test {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-test:hover:not(:disabled) {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 0 10px var(--primary-glow);
}

.btn-test:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.03); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}