/* ═══════════════════════════════════════
   PrecisaX QFI — Estilos Premium
   Quantum Fiber Intelligence
   ═══════════════════════════════════════ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-card-hover: #1f2b3d;
    --bg-sidebar: #0d1321;
    --border: #1e293b;
    --border-active: #3b82f6;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --purple: #8b5cf6;

    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-success: linear-gradient(135deg, #10b981, #06b6d4);
    --gradient-danger: linear-gradient(135deg, #ef4444, #f59e0b);

    --sidebar-width: 280px;
    --topbar-height: 60px;
    --radius: 12px;
    --radius-sm: 8px;

    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow: hidden;
}

/* ═══ Sidebar ═══ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

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

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.logo-text h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-text h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Navegação */
.sidebar-nav {
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-family: inherit;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.nav-icon {
    font-size: 18px;
}

/* Lista de Enlaces */
.sidebar-links {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    border-top: 1px solid var(--border);
}

.sidebar-links h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.link-item {
    padding: 10px 12px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.link-item:hover {
    border-color: var(--border-active);
    background: var(--bg-card-hover);
}

.link-item.selected {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.link-item-name {
    font-size: 13px;
    font-weight: 600;
}

.link-item-info {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.link-item-status {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.link-item-status.healthy {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.link-item-status.degrading {
    background: var(--warning);
    box-shadow: 0 0 8px var(--warning);
}

.link-item-status.critical {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.link-empty {
    font-size: 13px;
    color: var(--text-muted);
    padding: 20px 0;
    text-align: center;
}

.btn-add-link {
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    transition: var(--transition);
}

.btn-add-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

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

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
    background: var(--danger);
}

.ai-status {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.ai-badge {
    font-size: 10px;
    padding: 2px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
}

/* ═══ Main Content ═══ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    height: 100vh;
    transition: var(--transition);
}

.main-content.expanded {
    margin-left: 0;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    flex-shrink: 0;
}

.btn-toggle-sidebar {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    display: none;
}

.topbar-info {
    flex: 1;
}

.topbar-info h2 {
    font-size: 16px;
    font-weight: 600;
}

.topbar-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.health-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.health-label {
    font-size: 12px;
    color: var(--text-muted);
}

.health-value {
    font-size: 14px;
    font-weight: 700;
}

.health-value.healthy {
    color: var(--success);
}

.health-value.degrading {
    color: var(--warning);
}

.health-value.critical {
    color: var(--danger);
}

.topbar-time {
    font-size: 12px;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* ═══ Views ═══ */
.view {
    display: none;
    flex: 1;
    overflow-y: auto;
}

.view.active {
    display: flex;
    flex-direction: column;
}

/* Mapa */
.map-container {
    flex: 1;
    position: relative;
}

.map-info-panel {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 320px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(16px);
}

.map-info-panel.hidden {
    display: none;
}

.btn-close-panel {
    position: absolute;
    top: 8px;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-active);
    box-shadow: var(--shadow);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.card-badge {
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

.card-body canvas {
    width: 100% !important;
    height: 200px !important;
}

/* Gauge */
.gauge-body {
    display: flex;
    justify-content: center;
}

.gauge {
    position: relative;
    width: 200px;
    text-align: center;
}

.gauge svg {
    width: 100%;
}

.gauge-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 14;
    stroke-linecap: round;
}

.gauge-fill {
    fill: none;
    stroke: var(--success);
    stroke-width: 14;
    stroke-linecap: round;
    stroke-dasharray: 251;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s ease, stroke 0.5s ease;
}

.gauge-value {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gauge-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: -10px;
}

/* Predição */
.prediction-card .card-body {
    min-height: 120px;
}

.prediction-empty {
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
    padding: 30px;
}

/* OTDR Virtual Viewer */
.otdr-viewer {
    padding: 0;
}

.otdr-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.otdr-params {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.otdr-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
}

.otdr-badge.blue {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.otdr-badge.green {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.otdr-badge.purple {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.otdr-badge.orange {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.otdr-chart-wrap {
    height: 280px;
    margin-bottom: 16px;
}

.otdr-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin-top: 8px;
}

.otdr-table th {
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-weight: 500;
}

.otdr-table td {
    padding: 5px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: #cbd5e1;
}

.otdr-dir-btn {
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.otdr-dir-btn.active {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border-color: #3b82f6;
}

.otdr-dir-btn:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* Mini mapa */
.mini-map {
    height: 200px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

/* Info */
.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.info-row span:first-child {
    color: var(--text-muted);
}

.info-row span:last-child {
    font-weight: 600;
}

/* Eventos */
.events-container {
    padding: 20px;
}

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

.events-header h3 {
    font-size: 16px;
}

.events-header select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-family: inherit;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.events-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
}

.event-item {
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
}

.event-severity {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.event-severity.critical {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
}

.event-severity.warning {
    background: var(--warning);
}

.event-severity.info {
    background: var(--info);
}

.event-details h4 {
    font-size: 13px;
    font-weight: 600;
}

.event-details p {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.event-time {
    font-size: 11px;
    color: var(--text-muted);
}

/* Configuração */
.config-container {
    padding: 20px;
    max-width: 900px;
}

.config-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.config-section h3 {
    font-size: 16px;
    margin-bottom: 16px;
}

.config-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-actions {
    margin-top: 20px;
    display: flex;
    gap: 12px;
}

.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--accent);
}

.route-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

/* Switch Cards */
.switches-container {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.switch-card {
    flex: 1;
    min-width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
}

.switch-card:hover {
    border-color: var(--accent);
}

.switch-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(59, 130, 246, 0.1);
    border-bottom: 1px solid var(--border);
}

.switch-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
}

.switch-role {
    font-size: 11px;
    color: var(--text-muted);
    padding: 2px 8px;
    background: var(--bg-card);
    border-radius: 10px;
}

.switch-card-body {
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.switch-card-body input {
    padding: 8px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    transition: var(--transition);
}

.switch-card-body input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.sw-coords {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.btn-add-switch {
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-add-switch:hover {
    transform: scale(1.15);
}

.sw-nms-select {
    padding: 8px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--accent);
    border-radius: 6px;
    color: var(--accent);
    font-family: inherit;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.sw-nms-select:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.btn-remove-switch {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
    opacity: 0.7;
}

.btn-remove-switch:hover {
    opacity: 1;
}

.route-map {
    height: 400px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-top: 16px;
}

.route-info {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
}

.btn-close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.modal-body {
    padding: 20px;
}

.sim-resultado {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: monospace;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

/* Responsivo */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .btn-toggle-sidebar {
        display: block;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}


/* ═══════════════════════════════════════
   MONITOR DDM
   ═══════════════════════════════════════ */

.monitor-container {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
}

.monitor-header {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    flex-wrap: wrap;
    background: var(--bg-card);
    padding: 16px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.monitor-select-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.monitor-select-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.monitor-select-group select,
.monitor-select-group input {
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    min-width: 220px;
}

.monitor-switch-info {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-left: auto;
    font-size: 13px;
}

.switch-fab {
    background: var(--gradient-primary);
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
}

.switch-model {
    color: var(--text-primary);
    font-weight: 600;
}

.switch-ports {
    color: var(--text-muted);
}

.loading-text {
    color: var(--accent);
    animation: pulse 1.5s infinite;
}

.error-text {
    color: var(--danger);
}

/* Monitor Body */
.monitor-body {
    display: flex;
    gap: 20px;
    flex: 1;
    min-height: 0;
}

.port-grid-container {
    flex: 1;
    min-width: 0;
}

.port-grid-container h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.port-grid-container h3 span {
    color: var(--text-muted);
    font-weight: 400;
}

/* Port Grid */
.port-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
    max-height: calc(100vh - 250px);
    overflow-y: auto;
    padding-right: 4px;
}

.port-grid-empty,
.port-grid-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 13px;
}

.port-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    text-align: center;
}

.port-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.port-card.selected {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.port-card-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: absolute;
    top: 6px;
    right: 6px;
}

.port-card.port-up .port-card-status {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
}

.port-card.port-down .port-card-status {
    background: var(--danger);
}

.port-card-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.port-card-speed {
    font-size: 10px;
    color: var(--text-muted);
}

.port-card-sfp {
    display: inline-block;
    font-size: 9px;
    padding: 1px 6px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border-radius: 10px;
    margin-top: 4px;
    font-weight: 600;
}

.port-card-type {
    display: inline-block;
    font-size: 9px;
    padding: 1px 6px;
    background: rgba(139, 92, 246, 0.15);
    color: var(--purple);
    border-radius: 10px;
    margin-top: 2px;
    font-weight: 600;
}

.port-card.port-qsfp {
    border-left: 3px solid var(--purple);
}

/* DDM Panel */
.ddm-panel {
    width: 380px;
    min-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 250px);
    overflow-y: auto;
}

.ddm-panel.hidden {
    display: none;
}

.ddm-panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 1;
}

.ddm-panel-header h3 {
    font-size: 14px;
    flex: 1;
}

.ddm-panel-badge {
    font-size: 11px;
    padding: 2px 10px;
    background: var(--bg-secondary);
    border-radius: 20px;
    color: var(--accent);
    font-weight: 600;
}

.ddm-panel-body {
    padding: 16px 20px;
}

/* DDM Gauges */
.ddm-gauges {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ddm-gauge {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    border-left: 3px solid var(--success);
}

.ddm-gauge.warning {
    border-left-color: var(--warning);
}

.ddm-gauge.critical {
    border-left-color: var(--danger);
}

.ddm-gauge-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.ddm-gauge-icon {
    font-size: 16px;
}

.ddm-gauge-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ddm-gauge-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
}

.ddm-gauge-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.8s ease;
}

.ddm-gauge-fill.healthy {
    background: var(--gradient-success);
}

.ddm-gauge-fill.warning {
    background: linear-gradient(90deg, var(--warning), #f97316);
}

.ddm-gauge-fill.critical {
    background: var(--gradient-danger);
}

.ddm-gauge-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.ddm-gauge-value small {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 400;
}

/* DDM Lanes (QSFP) */
.ddm-lanes {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.ddm-lanes.hidden {
    display: none;
}

.ddm-lanes h4 {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.lane-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.lane-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 10px;
    border-left: 3px solid var(--success);
}

.lane-card.warning {
    border-left-color: var(--warning);
}

.lane-card.critical {
    border-left-color: var(--danger);
}

.lane-num {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}

.lane-values div {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    padding: 2px 0;
}

.lane-values span {
    color: var(--text-muted);
}

.lane-values strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* DDM Loading/Error */
.ddm-loading,
.ddm-error {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    font-size: 13px;
}

.ddm-error {
    color: var(--danger);
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

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


/* ═══════════════════════════════════════
   CARD A↔B BILATERAL
   ═══════════════════════════════════════ */

.link-ab-card .card-body {
    min-height: 140px;
}

.ab-empty,
.ab-loading,
.ab-error {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    font-size: 13px;
}

.ab-error {
    color: var(--danger);
}

.ab-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 20px;
    align-items: start;
}

.ab-switch {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 16px;
    border: 1px solid var(--border);
}

.ab-switch-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.ab-switch-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ab-switch-fab {
    font-size: 9px;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    border-radius: 10px;
    font-weight: 600;
}

.ab-switch-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.ab-ddm-values {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ab-val {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.ab-val span {
    color: var(--text-muted);
}

.ab-val strong {
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

/* Link Central */
.ab-link {
    text-align: center;
    padding: 12px;
}

.ab-link-name {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.ab-link-km {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.ab-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 6px 0;
}

.ab-arrow span {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 40px;
}

.ab-att {
    font-size: 16px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.ab-att.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.ab-att.critical {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.ab-fiber-line {
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--purple), var(--accent));
    margin: 8px 0;
    border-radius: 1px;
    opacity: 0.5;
}

.ab-teorica {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 12px;
}

.ab-teorica small {
    opacity: 0.7;
}

.ab-margens {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 12px;
}

.ab-margem {
    font-size: 12px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.ab-margem span {
    color: var(--text-muted);
}

.ab-margem strong {
    color: var(--success);
}

.ab-margem.warning strong {
    color: var(--warning);
}

.ab-margem.critical strong {
    color: var(--danger);
}