:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #162033;
    --bg-glass: rgba(22, 32, 51, 0.7);
    --border: #233049;
    --border-glow: rgba(6, 182, 212, 0.2);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-green: #00e5a0;
    --accent-cyan: #06b6d4;
    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --glow-cyan: 0 0 8px rgba(6, 182, 212, 0.3);
    --glow-green: 0 0 8px rgba(0, 229, 160, 0.4);
    --glow-amber: 0 0 8px rgba(245, 158, 11, 0.4);
    --glow-red: 0 0 8px rgba(239, 68, 68, 0.4);
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --radius: 8px;
    --radius-sm: 4px;
}

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

html, body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.app__content {
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.section {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.section--active {
    animation: sectionFadeIn 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes sectionFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.section__placeholder {
    padding: 2rem;
    color: var(--text-secondary);
    font-family: var(--font-sans);
}

.section__placeholder h2 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section__placeholder p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/*
 * Top-bar styles moved to the sidebar in v0.7.4. Status dot, signout,
 * and update-badge keep their visual identity inside the sidebar
 * footer / header.
 */

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

.status-dot--connected {
    background: var(--accent-green);
    box-shadow: 0 0 6px var(--accent-green);
}

.status-dot--disconnected { background: var(--accent-red); }

.status-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.update-badge {
    color: var(--accent-amber);
    font-size: 1.1rem;
    cursor: pointer;
    text-decoration: none;
    animation: updatePulse 2s ease-in-out infinite;
}

.hidden { display: none !important; }

@keyframes updatePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ---- Stat Cards ---- */
.dashboard__stats {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
    overflow-x: auto;
    scrollbar-width: thin;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.35rem 0.6rem;
    transition: border-color 0.2s;
    flex: 0 0 auto;
    min-width: 100px;
}

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

.stat-card--relay {
    border-color: rgba(0, 229, 160, 0.3);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 229, 160, 0.06) 100%);
}

.stat-card--relay:hover { border-color: var(--accent-green); }
.stat-card--relay .stat-card__value { color: var(--accent-green); }

.stat-card--system {
    border-color: rgba(6, 182, 212, 0.2);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(6, 182, 212, 0.04) 100%);
}

.stat-card--system:hover { border-color: var(--accent-cyan); }

.stat-card__label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.1rem;
    white-space: nowrap;
}

.stat-card__value {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    white-space: nowrap;
}

.stat-card__sub {
    font-size: 0.55rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-top: 0.1rem;
    white-space: nowrap;
}

/* ---- Dashboard Layout ---- */
.dashboard {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
    height: 100%;
    overflow: hidden;
    flex: 1;
    min-height: 0;
}

.dashboard__main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0.5rem;
    flex: 1;
    min-height: 0;
}

.dashboard__feed { flex-shrink: 0; height: 220px; }

/* ---- Panel ---- */
.panel {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
    transition: border-color 0.2s;
}

.panel:hover { border-color: var(--border-glow); }

.panel__header {
    padding: 0.5rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel__body {
    flex: 1;
    overflow: auto;
    position: relative;
}

/* ---- Map expand button ---- */
.map-expand-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 15px;
    padding: 2px 5px;
    border-radius: 4px;
    line-height: 1;
    transition: color 0.15s, background 0.15s;
}
.map-expand-btn:hover { color: var(--text); background: rgba(255,255,255,0.06); }

/* ---- Expanded map mode ---- */
.dashboard--map-expanded .dashboard__stats { display: none; }
.dashboard--map-expanded .dashboard__side  { display: none; }
.dashboard--map-expanded .dashboard__main  { grid-template-columns: 1fr; }
.dashboard--map-expanded .dashboard__feed  { height: 260px; }

/* ---- Map ---- */
/*
 * Map zero-scrollbar invariant: Leaflet's zoom transitions briefly
 * push the inner tile pane outside the container bounds. Without
 * overflow:hidden cascading down, those overshoots flash horizontal
 * and vertical scrollbars in Chrome and Firefox at every zoom step.
 * Locking overflow on each layer (panel body, map container, leaflet
 * container) hides the overshoot during the transition window.
 */
.dashboard__map { min-height: 0; overflow: hidden; }
.dashboard__side { min-height: 0; overflow: hidden; }
.map-container { min-height: 0; overflow: hidden; }

#map {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.leaflet-container {
    overflow: hidden !important;
}

.leaflet-control-layers {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    color: var(--text-secondary) !important;
    font-size: 0.75rem !important;
}

/* ---- Cluster overrides ---- */
.marker-cluster div {
    width: 30px; height: 30px;
    margin-left: 5px; margin-top: 5px;
    text-align: center; border-radius: 15px;
    font: 12px var(--font-sans); font-weight: 600; color: #fff;
}
.marker-cluster span { line-height: 30px; }
.marker-cluster-small { background: rgba(6, 182, 212, 0.3); }
.marker-cluster-small div { background: rgba(6, 182, 212, 0.7); }
.marker-cluster-medium { background: rgba(168, 85, 247, 0.3); }
.marker-cluster-medium div { background: rgba(168, 85, 247, 0.7); }
.marker-cluster-large { background: rgba(0, 229, 160, 0.3); }
.marker-cluster-large div { background: rgba(0, 229, 160, 0.7); }

.device-marker {
    width: 16px;
    height: 16px;
    background: var(--accent-green);
    border: 2px solid #fff;
    border-radius: 3px;
    transform: rotate(45deg);
    box-shadow: 0 0 10px var(--accent-green), 0 0 20px rgba(0, 229, 160, 0.3);
}

/* MeshCore node marker (Meshtastic uses circleMarker; diamond visually
   distinguishes the two protocols on the local map per Kaylee's
   request, Discord May 2026). */
.node-marker__diamond {
    width: 10px;
    height: 10px;
    background: #a855f7;
    border: 1px solid #a855f7;
    border-radius: 2px;
    transform: rotate(45deg);
    opacity: 0.85;
}

.node-marker__diamond--fav {
    border-color: #f59e0b;
    border-width: 2px;
    opacity: 1;
}

.node-marker__diamond--recent {
    border-color: #00ff88;
    border-width: 2px;
    animation: pulseRing 1.5s ease-out infinite;
}

.packet-line {
    filter: drop-shadow(0 0 4px rgba(0, 229, 160, 0.6));
}

@keyframes pulseRing {
    0% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.node-pulse { animation: pulseRing 1.5s ease-out infinite; }

/* ---- Node List ---- */
.node-search {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    outline: none;
    width: 120px;
}

.node-search:focus { border-color: var(--accent-cyan); }

.node-item {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgba(35, 48, 73, 0.4);
    cursor: pointer;
    transition: background 0.15s;
}

.node-item:hover { background: rgba(6, 182, 212, 0.06); }

.node-item__top, .node-item__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.node-item__top { margin-bottom: 0.2rem; }

.node-item__name {
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.node-item__ago {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-weight: 600;
}

.node-item__rssi {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.node-item__proto {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.node-item__proto--meshtastic {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.node-item__proto--meshcore {
    background: rgba(168, 85, 247, 0.15);
    color: var(--accent-purple);
}

/* ---- Packet Table ---- */
.packet-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
    font-family: var(--font-mono);
}

.packet-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background-color: var(--bg-secondary);
    padding: 0.5rem 0.6rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 0 var(--border);
}

.packet-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.packet-table tbody tr:hover { background: var(--bg-card-hover, rgba(6, 182, 212, 0.04)); }

.packet-table td {
    padding: 0.4rem 0.6rem;
    white-space: nowrap;
    color: var(--text-secondary);
}

.packet-table td.type-text { color: var(--accent-green); }
.packet-table td.type-position { color: var(--accent-amber); }
.packet-table td.type-telemetry { color: var(--accent-cyan); }
.packet-table td.type-nodeinfo { color: var(--accent-purple); }
.packet-table td.type-encrypted { color: var(--accent-red); }
.packet-table td.type-routing { color: var(--text-muted); }
.packet-table td.type-traceroute { color: var(--accent-blue); }
.packet-table td.type-neighborinfo { color: var(--accent-blue); }

.packet-table td.protocol-meshtastic { color: var(--accent-blue); }
.packet-table td.protocol-meshcore { color: var(--accent-purple); }

.packet-table td.rssi-good { color: var(--accent-green); }
.packet-table td.rssi-mid { color: var(--accent-amber); }
.packet-table td.rssi-bad { color: var(--accent-red); }

.packet-table td.td-source {
    color: var(--accent-cyan);
}

.relay-hop {
    color: var(--accent-amber);
    font-size: 0.85em;
    opacity: 0.85;
}

.td-node-name {
    color: var(--accent-cyan);
    font-weight: 500;
}

.td-node-short {
    color: #64748b;
    font-size: 0.82em;
}

.td-bcast {
    color: #475569;
}

.packet-details-cell {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.72rem;
    opacity: 0.85;
}

.packet-row { cursor: pointer; }

.packet-detail-row td {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--bg-secondary);
}

.packet-count {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 8px;
}

@keyframes packetFlash {
    0% { background: rgba(6, 182, 212, 0.1); }
    100% { background: transparent; }
}

.packet-row--new { animation: packetFlash 1s ease-out; }

/* Responsive overrides for this file live in css/responsive.css. */