:root {
            --bg-primary: #06080c;
            --bg-secondary: #0d1117;
            --bg-tertiary: #161b22;
            --bg-panel: rgba(13, 17, 23, 0.8);
            --border-color: rgba(48, 54, 61, 0.6);
            --border-glow: rgba(0, 127, 255, 0.2);

            --text-primary: #e6edf3;
            --text-secondary: #8b949e;
            --text-muted: #484f58;

            /* Freenet brand colors */
            --accent-primary: #007FFF;
            --accent-light: #7ecfef;
            --accent-dark: #0052cc;
            --accent-glow: rgba(0, 127, 255, 0.4);

            --color-connect: #7ecfef;
            --color-put: #fbbf24;
            --color-get: #34d399;
            --color-update: #a78bfa;
            --color-subscribe: #f472b6;
            --color-error: #f87171;

            --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
            --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        /* Atmospheric background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                radial-gradient(ellipse at 50% 0%, rgba(0, 127, 255, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 50%, rgba(126, 207, 239, 0.05) 0%, transparent 40%),
                radial-gradient(ellipse at 20% 80%, rgba(0, 82, 204, 0.05) 0%, transparent 40%);
            pointer-events: none;
            z-index: 0;
        }

        /* Grid overlay */
        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
            z-index: 0;
        }

        .main-content {
            flex: 1;
            padding: 12px 24px;
            padding-bottom: 400px;
            position: relative;
            z-index: 1;
        }

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

        /* Header */
        .header {
            text-align: center;
            margin-bottom: 8px;
        }

        .header-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .header-logo {
            width: 32px;
            height: 32px;
        }

        .header h1 {
            font-family: var(--font-mono);
            font-size: 1.5em;
            font-weight: 600;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent-primary) 50%, var(--accent-dark) 100%);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: shimmer 8s linear infinite;
        }

        @keyframes shimmer {
            0% { background-position: 0% center; }
            100% { background-position: 200% center; }
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
            padding: 6px 16px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-family: var(--font-mono);
            font-size: 0.8em;
            font-weight: 500;
            backdrop-filter: blur(10px);
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--text-muted);
        }

        .status-dot.live {
            background: var(--accent-primary);
            box-shadow: 0 0 12px var(--accent-glow);
            animation: pulse-glow 2s ease-in-out infinite;
        }

        .status-dot.historical {
            background: var(--color-put);
            box-shadow: 0 0 12px rgba(251, 191, 36, 0.4);
        }

        .status-dot.disconnected {
            background: var(--color-error);
        }

        @keyframes pulse-glow {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.2); }
        }

        /* Stats Grid */
        .stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .stats { grid-template-columns: repeat(2, 1fr); }
        }

        .stat {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 8px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .stat::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .stat:hover {
            border-color: var(--border-glow);
            transform: translateY(-2px);
        }

        .stat:hover::before {
            opacity: 1;
        }

        .stat-value {
            font-family: var(--font-mono);
            font-size: 1.6em;
            font-weight: 300;
            color: var(--accent-primary);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.7em;
            font-weight: 500;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-top: 4px;
        }

        .stat-hint {
            font-size: 0.6em;
            color: var(--text-muted);
            margin-top: 2px;
            font-weight: 400;
            letter-spacing: 0;
            text-transform: none;
        }

        /* Operation Stats */
        .op-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .op-stats-row { grid-template-columns: repeat(2, 1fr); }
        }

        .op-stat {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 10px 12px;
            backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .op-stat-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9em;
            flex-shrink: 0;
        }

        .op-stat-icon.put { background: rgba(251, 191, 36, 0.15); color: var(--color-put); }
        .op-stat-icon.get { background: rgba(52, 211, 153, 0.15); color: var(--color-get); }
        .op-stat-icon.update { background: rgba(167, 139, 250, 0.15); color: var(--color-update); }
        .op-stat-icon.subscribe { background: rgba(244, 114, 182, 0.15); color: var(--color-subscribe); }

        .op-stat-content {
            flex: 1;
            min-width: 0;
        }

        .op-stat-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            margin-bottom: 4px;
        }

        .op-stat-name {
            font-family: var(--font-mono);
            font-size: 0.75em;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .op-stat-rate {
            font-family: var(--font-mono);
            font-size: 0.85em;
            font-weight: 500;
        }

        .op-stat-rate.good { color: var(--color-get); }
        .op-stat-rate.warn { color: var(--color-put); }
        .op-stat-rate.bad { color: var(--color-error); }

        .op-stat-details {
            display: flex;
            gap: 12px;
            font-family: var(--font-mono);
            font-size: 0.7em;
            color: var(--text-muted);
        }

        .op-stat-detail {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .op-stat-detail .label {
            opacity: 0.7;
        }

        /* Dashboard Grid */
        .dashboard {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 20px;
        }

        @media (max-width: 1000px) {
            .dashboard { grid-template-columns: 1fr; }
        }

        .panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 24px;
            backdrop-filter: blur(10px);
            position: relative;
        }

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

        .panel-title {
            font-family: var(--font-mono);
            font-size: 0.9em;
            font-weight: 500;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .panel-time-label {
            font-family: var(--font-mono);
            font-size: 0.7em;
            color: var(--text-muted);
            padding: 2px 8px;
            background: var(--bg-tertiary);
            border-radius: 4px;
        }
        .panel-time-label.live {
            color: var(--color-connect);
            background: rgba(52, 211, 153, 0.15);
        }

        /* Panel Tabs */
        .panel-tabs {
            display: flex;
            gap: 4px;
        }

        .panel-tab {
            font-family: var(--font-mono);
            font-size: 0.85em;
            font-weight: 500;
            padding: 8px 16px;
            background: transparent;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            border-radius: 6px 6px 0 0;
            transition: all 0.2s;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .panel-tab:hover {
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
        }

        .panel-tab.active {
            color: var(--accent-light);
            background: rgba(126, 207, 239, 0.1);
            border-bottom: 2px solid var(--accent-light);
        }

        .tab-count {
            font-size: 0.85em;
            padding: 2px 6px;
            background: rgba(244, 114, 182, 0.2);
            color: var(--color-subscribe);
            border-radius: 10px;
            margin-left: 4px;
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: flex;
            flex-direction: column;
            flex: 1;
            min-height: 0;
        }

        /* Events Header */
        .events-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 12px;
            background: rgba(0, 0, 0, 0.1);
        }

        .events-title {
            font-family: var(--font-mono);
            font-size: 0.8em;
            color: var(--text-muted);
        }

        /* Contracts List */
        .contracts-search {
            padding: 8px;
            border-bottom: 1px solid var(--border-color);
        }

        .contract-search-input {
            width: 100%;
            padding: 8px 12px;
            font-family: var(--font-mono);
            font-size: 0.85em;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-primary);
            outline: none;
            transition: border-color 0.2s;
        }

        .contract-search-input:focus {
            border-color: var(--color-subscribe);
        }

        .contract-search-input::placeholder {
            color: var(--text-muted);
        }

        .contracts-list {
            flex: 1;
            overflow-y: auto;
            padding: 8px;
            max-height: 400px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }

        .contracts-list::-webkit-scrollbar {
            width: 6px;
        }

        .contracts-list::-webkit-scrollbar-track {
            background: transparent;
        }

        .contracts-list::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px;
        }

        .contract-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 12px;
            background: rgba(0, 0, 0, 0.2);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 8px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .contract-item:hover {
            background: rgba(244, 114, 182, 0.1);
            border-color: rgba(244, 114, 182, 0.3);
        }

        .contract-item.selected {
            background: rgba(244, 114, 182, 0.15);
            border-color: var(--color-subscribe);
        }

        .contract-key {
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: var(--color-subscribe);
            word-break: break-all;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .contract-stats {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8em;
            color: var(--text-secondary);
        }

        .contract-stat {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .contract-stat-icon {
            font-size: 1.1em;
        }

        .contract-stat-icon.seeding {
            color: var(--color-get);
        }

        .contract-stat-icon.upstream {
            color: var(--color-update);
        }

        .contract-stat-icon.downstream {
            color: var(--color-connect);
        }

        .contract-peer-info {
            font-size: 0.75em;
            color: var(--text-muted);
            padding-top: 6px;
            border-top: 1px solid var(--border-color);
        }

        /* State hash badges */
        .state-hash {
            font-family: var(--font-mono);
            font-size: 0.8em;
            padding: 2px 6px;
            border-radius: 4px;
            background: rgba(59, 130, 246, 0.2);
            color: var(--color-update);
        }

        .state-hash.transition {
            background: rgba(139, 92, 246, 0.2);
        }

        .state-synced {
            color: var(--color-get);
        }

        .state-diverged {
            color: #ef4444;
        }

        .sync-indicator {
            font-size: 0.85em;
            padding: 2px 6px;
            border-radius: 4px;
        }

        .sync-indicator.synced {
            background: rgba(34, 197, 94, 0.15);
            color: var(--color-get);
        }

        .sync-indicator.diverged {
            background: rgba(239, 68, 68, 0.15);
            color: #ef4444;
        }

        .sync-indicator.unknown {
            background: rgba(148, 163, 184, 0.15);
            color: var(--text-muted);
        }

        .state-swatch {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 2px;
            margin-left: 3px;
            vertical-align: middle;
            border: 1px solid rgba(255,255,255,0.3);
        }

        .panel-badge {
            font-family: var(--font-mono);
            font-size: 0.7em;
            padding: 4px 10px;
            background: var(--bg-tertiary);
            border-radius: 12px;
            color: var(--text-muted);
        }

        .panel-subtitle {
            font-size: 0.75em;
            color: var(--text-muted);
            margin-top: -12px;
            margin-bottom: 16px;
            font-weight: 400;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            background: rgba(0, 0, 0, 0.2);
            border-bottom: 1px solid var(--border-color);
            min-height: 40px;
            flex-wrap: wrap;
        }

        .filter-bar-label {
            font-size: 0.7em;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-right: 4px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 8px 4px 10px;
            background: rgba(126, 207, 239, 0.15);
            border: 1px solid rgba(126, 207, 239, 0.3);
            border-radius: 16px;
            font-family: var(--font-mono);
            font-size: 0.75em;
            color: var(--accent-primary);
        }

        .filter-chip.contract {
            background: rgba(244, 114, 182, 0.15);
            border-color: rgba(244, 114, 182, 0.3);
            color: var(--color-subscribe);
        }

        .filter-chip.peer {
            background: rgba(52, 211, 153, 0.15);
            border-color: rgba(52, 211, 153, 0.3);
            color: var(--color-get);
        }

        .filter-chip.tx {
            background: rgba(251, 191, 36, 0.15);
            border-color: rgba(251, 191, 36, 0.3);
            color: var(--color-put);
        }

        .filter-chip-close {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: inherit;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            line-height: 1;
            padding: 0;
        }

        .filter-chip-close:hover {
            background: rgba(255, 255, 255, 0.4);
        }

        .filter-clear-all {
            margin-left: auto;
            padding: 4px 10px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            color: var(--text-muted);
            font-size: 0.7em;
            cursor: pointer;
            transition: all 0.2s;
        }

        .filter-clear-all:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
        }

        .filter-no-active {
            font-size: 0.75em;
            color: var(--text-muted);
            font-style: italic;
        }

        /* Contract Selector */
        .contract-dropdown {
            position: relative;
        }

        .contract-dropdown-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            background: rgba(244, 114, 182, 0.1);
            border: 1px solid rgba(244, 114, 182, 0.3);
            border-radius: 4px;
            color: var(--color-subscribe);
            font-family: var(--font-mono);
            font-size: 0.75em;
            cursor: pointer;
            transition: all 0.2s;
        }

        .contract-dropdown-btn:hover {
            background: rgba(244, 114, 182, 0.2);
        }

        .contract-dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            margin-top: 4px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            min-width: 250px;
            max-height: 200px;
            overflow-y: auto;
            z-index: 100;
            display: none;
        }

        .contract-dropdown-menu.open {
            display: block;
        }

        .contract-dropdown-item {
            padding: 10px 12px;
            cursor: pointer;
            border-bottom: 1px solid var(--border-color);
            transition: background 0.2s;
        }

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

        .contract-dropdown-item:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .contract-dropdown-key {
            font-family: var(--font-mono);
            font-size: 0.85em;
            color: var(--text-primary);
        }

        .contract-dropdown-stats {
            font-size: 0.7em;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Event type legend */
        .event-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }

        .event-legend-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.7em;
            color: var(--text-muted);
        }

        .event-legend-dot {
            width: 8px;
            height: 8px;
            border-radius: 2px;
        }

        .event-legend-dot.connect { background: var(--color-connect); }
        .event-legend-dot.put { background: var(--color-put); }
        .event-legend-dot.get { background: var(--color-get); }
        .event-legend-dot.update { background: var(--color-update); }
        .event-legend-dot.subscribe { background: var(--color-subscribe); }

        /* Ring Visualization */
        .ring-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 480px;
            position: relative;
        }

        /* Legend */
        .topology-legend-inline {
            display: flex;
            gap: 12px;
            font-family: var(--font-mono);
            font-size: 0.6em;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .legend-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
        }

        .legend-marker {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .legend-marker.gateway {
            background: #f59e0b;
            box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
        }

        .legend-marker.you {
            background: #10b981;
            box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
        }

        .legend-marker.peer {
            background: var(--accent-primary);
        }

        .legend-marker.selected {
            background: var(--accent-light);
            box-shadow: 0 0 8px rgba(126, 207, 239, 0.5);
        }

        .legend-marker.subscriber {
            background: #f472b6;
            box-shadow: 0 0 8px rgba(244, 114, 182, 0.5);
        }

        .legend-marker.state-indicator {
            background: #f472b6;
            position: relative;
        }
        .legend-marker.state-indicator::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 6px;
            height: 6px;
            border-radius: 1px;
            background: linear-gradient(135deg, hsl(120, 70%, 50%), hsl(240, 70%, 50%));
            border: 1px solid white;
        }

        .legend-line {
            width: 20px;
            height: 3px;
            border-radius: 1px;
        }

        .legend-line.connection {
            background: repeating-linear-gradient(
                90deg,
                var(--color-connect) 0px,
                var(--color-connect) 4px,
                transparent 4px,
                transparent 8px
            );
        }

        .legend-line.message {
            background: var(--color-put);
            position: relative;
        }
        .legend-line.message::after {
            content: '▸';
            position: absolute;
            right: -6px;
            top: -6px;
            font-size: 10px;
            color: var(--color-put);
        }

        /* Contract selector */
        .contract-selector {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .contract-selector label {
            font-family: var(--font-mono);
            font-size: 0.75em;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .contract-select {
            font-family: var(--font-mono);
            font-size: 0.8em;
            padding: 6px 12px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-primary);
            cursor: pointer;
            min-width: 180px;
        }

        .contract-select:focus {
            outline: none;
            border-color: var(--color-subscribe);
        }

        .contract-select option {
            background: var(--bg-secondary);
        }

        /* Subscription tree info */
        .subscription-info {
            font-family: var(--font-mono);
            font-size: 0.7em;
            color: var(--color-subscribe);
            margin-left: auto;
        }

        /* Subscription arrow styles */
        .subscription-arrow {
            stroke: var(--color-subscribe);
            stroke-width: 2;
            fill: none;
            opacity: 0.7;
            marker-end: url(#arrowhead);
        }

        .subscription-arrow.animated {
            stroke-dasharray: 8 4;
            animation: flowPink 1s linear infinite;
        }

        @keyframes flowPink {
            from { stroke-dashoffset: 12; }
            to { stroke-dashoffset: 0; }
        }

        /* Message flow arrow styles */
        .message-flow-arrow {
            stroke-width: 3;
            fill: none;
            opacity: 0.9;
            stroke-linecap: round;
        }

        .message-flow-arrow.connect { stroke: var(--color-connect); marker-end: url(#arrow-connect); }
        .message-flow-arrow.put { stroke: var(--color-put); marker-end: url(#arrow-put); }
        .message-flow-arrow.get { stroke: var(--color-get); marker-end: url(#arrow-get); }
        .message-flow-arrow.update { stroke: var(--color-update); marker-end: url(#arrow-update); }
        .message-flow-arrow.subscribe { stroke: var(--color-subscribe); marker-end: url(#arrow-subscribe); }
        .message-flow-arrow.other { stroke: var(--text-muted); marker-end: url(#arrow-other); }

        .message-flow-arrow.animated {
            stroke-dasharray: 12 6;
            animation: flowMessage 0.8s linear infinite;
        }

        @keyframes flowMessage {
            from { stroke-dashoffset: 18; }
            to { stroke-dashoffset: 0; }
        }

        .ring-container svg {
            max-width: 100%;
            height: auto;
            filter: drop-shadow(0 0 40px rgba(0, 127, 255, 0.15));
        }

        .peer-node {
            transition: all 0.3s ease;
        }

        .peer-node:hover {
            filter: brightness(1.3);
        }

        .peer-node.highlighted {
            fill: #fbbf24 !important;
            filter: drop-shadow(0 0 8px rgba(251, 191, 36, 0.8));
        }

        .peer-node.selected {
            fill: #f87171 !important;
            filter: drop-shadow(0 0 12px rgba(248, 113, 113, 0.9));
        }

        .connection-line {
            stroke: var(--accent-primary);
            stroke-width: 1.5;
            opacity: 0.3;
            stroke-linecap: round;
        }

        .connection-line.animated {
            stroke-dasharray: 8 4;
            animation: flow 1.5s linear infinite;
        }

        @keyframes flow {
            from { stroke-dashoffset: 24; }
            to { stroke-dashoffset: 0; }
        }

        /* Events Panel */
        .events-panel {
            max-height: 420px;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }

        .events-panel::-webkit-scrollbar {
            width: 6px;
        }

        .events-panel::-webkit-scrollbar-track {
            background: transparent;
        }

        .events-panel::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px;
        }

        .events-header {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 16px;
            background: var(--bg-secondary);
            font-size: 0.7em;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: sticky;
            top: 0;
            z-index: 10;
            border-bottom: 1px solid var(--border-color);
        }
        .events-header span { flex-shrink: 0; }
        .events-header .header-time { width: 70px; }
        .events-header .header-type { width: 100px; }
        .events-header .header-peers { flex: 1; }
        .events-header .header-tx { width: 70px; text-align: right; }

        .event-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 16px;
            margin-bottom: 2px;
            background: var(--bg-tertiary);
            border-radius: 6px;
            font-size: 0.85em;
            transition: all 0.2s ease;
            border-left: 3px solid transparent;
        }

        .event-item:hover {
            background: rgba(255, 255, 255, 0.03);
            cursor: pointer;
        }

        .event-item.selected {
            background: rgba(0, 127, 255, 0.15);
            border-left: 3px solid var(--accent-primary);
        }

        .event-item.in-transaction {
            background: rgba(0, 127, 255, 0.08);
            border-left: 3px solid rgba(0, 127, 255, 0.3);
        }

        .event-item.new {
            animation: slideIn 0.3s ease-out;
        }

        @keyframes slideIn {
            from { opacity: 0; transform: translateX(-10px); }
            to { opacity: 1; transform: translateX(0); }
        }

        .event-time {
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: var(--text-muted);
            min-width: 70px;
        }

        .event-badge {
            font-family: var(--font-mono);
            font-size: 0.75em;
            font-weight: 500;
            padding: 4px 8px;
            border-radius: 6px;
            text-transform: lowercase;
            min-width: 80px;
            text-align: center;
            flex-shrink: 0;
        }

        .event-badge.connect, .event-badge.start_connection, .event-badge.connected, .event-badge.finished {
            background: rgba(34, 211, 238, 0.15);
            color: var(--color-connect);
            border-left-color: var(--color-connect);
        }
        .event-badge.put {
            background: rgba(251, 191, 36, 0.15);
            color: var(--color-put);
        }
        .event-badge.get {
            background: rgba(52, 211, 153, 0.15);
            color: var(--color-get);
        }
        .event-badge.update {
            background: rgba(167, 139, 250, 0.15);
            color: var(--color-update);
        }
        .event-badge.subscribe {
            background: rgba(244, 114, 182, 0.15);
            color: var(--color-subscribe);
        }
        .event-badge.other {
            background: rgba(139, 148, 158, 0.15);
            color: var(--text-secondary);
        }

        .event-peer {
            font-family: var(--font-mono);
            font-size: 0.85em;
            color: var(--text-secondary);
        }

        .event-contract {
            font-family: var(--font-mono);
            font-size: 0.75em;
            color: var(--text-muted);
            margin-left: auto;
        }

        /* Clickable filter elements */
        .event-filter-link {
            font-family: var(--font-mono);
            font-size: 0.8em;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 2px 6px;
            border-radius: 4px;
            transition: all 0.15s;
        }
        .event-filter-link:hover {
            background: rgba(0, 127, 255, 0.2);
            color: var(--accent-primary);
        }
        .event-filter-link.active {
            background: var(--accent-primary);
            color: white;
        }
        .event-peers {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            min-width: 0;
        }
        .event-arrow {
            color: var(--text-secondary);
            font-size: 0.9em;
            font-weight: bold;
        }
        .event-tx {
            font-family: var(--font-mono);
            font-size: 0.8em;
            color: var(--text-secondary);
            width: 70px;
            text-align: right;
            flex-shrink: 0;
        }

        /* Timeline Container */
        .timeline-container {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, var(--bg-primary) 0%, var(--bg-primary) 60%, transparent 100%);
            padding: 30px 24px 20px;
            z-index: 100;
            overflow-x: hidden;
        }

        .timeline-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            overflow: hidden;
        }

        .timeline-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .timeline-info {
            display: flex;
            align-items: baseline;
            gap: 16px;
        }

        .timeline-time {
            font-family: var(--font-mono);
            font-size: 1.8em;
            font-weight: 300;
            color: var(--accent-primary);
            letter-spacing: -0.02em;
        }

        .timeline-date {
            font-family: var(--font-mono);
            font-size: 0.85em;
            color: var(--text-muted);
        }

        .timeline-mode {
            font-family: var(--font-mono);
            font-size: 0.8em;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 8px;
            cursor: pointer;
            border: none;
            transition: all 0.2s ease;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .timeline-mode.live {
            background: var(--accent-primary);
            color: var(--bg-primary);
            box-shadow: 0 0 20px var(--accent-glow);
        }

        .timeline-mode.historical {
            background: var(--color-put);
            color: var(--bg-primary);
            box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
        }

        .timeline-mode:hover {
            transform: scale(1.02);
        }

        /* Timeline Track */
        .timeline {
            position: relative;
            height: 115px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            cursor: crosshair;
        }

        .timeline-track {
            position: absolute;
            top: 60%;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--border-color);
            transform: translateY(-50%);
        }

        /* Timeline Ruler */
        .timeline-ruler {
            position: absolute;
            top: 8px;
            left: 16px;
            right: 16px;
            height: 24px;
            display: flex;
            justify-content: space-between;
            pointer-events: none;
        }

        .timeline-tick {
            display: flex;
            flex-direction: column;
            align-items: center;
            font-family: var(--font-mono);
            font-size: 0.65em;
            color: var(--text-muted);
        }

        .timeline-tick::after {
            content: '';
            width: 1px;
            height: 8px;
            background: var(--border-color);
            margin-top: 2px;
        }

        .timeline-tick.major::after {
            height: 14px;
            background: var(--text-muted);
        }

        .timeline-events {
            position: absolute;
            top: 20px;
            left: 50px; /* space for labels */
            right: 16px;
            height: 75px; /* 5 lanes * 15px each */
        }

        .timeline-lane-labels {
            position: absolute;
            top: 20px;
            left: 8px;
            width: 40px;
            height: 75px;
            display: flex;
            flex-direction: column;
        }

        .timeline-lane-label {
            height: 15px;
            font-family: var(--font-mono);
            font-size: 0.55em;
            font-weight: 500;
            display: flex;
            align-items: center;
            padding-right: 4px;
            justify-content: flex-end;
        }

        .timeline-marker {
            position: absolute;
            width: 4px;
            border-radius: 2px;
            transition: all 0.15s ease;
            cursor: pointer;
        }

        .timeline-marker:hover {
            transform: scaleX(2);
            z-index: 5;
        }

        .timeline-marker.connect { background: var(--color-connect); }
        .timeline-marker.put { background: var(--color-put); }
        .timeline-marker.get { background: var(--color-get); }
        .timeline-marker.update { background: var(--color-update); }
        .timeline-marker.subscribe { background: var(--color-subscribe); }
        .timeline-marker.other { background: var(--text-muted); }

        /* Playhead - Time Window Range */
        .timeline-playhead {
            position: absolute;
            top: 20px;  /* Align with timeline-events which starts at 20px */
            bottom: 10px;
            min-width: 40px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 6px;
            z-index: 10;
            touch-action: none;  /* Prevent browser touch gestures */
        }

        .timeline-playhead::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: var(--text-primary);
            transform: translateX(-50%);
            box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
        }

        .timeline-playhead-handle {
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 16px;
            background: var(--text-primary);
            border-radius: 4px 4px 0 0;
            cursor: grab;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .timeline-playhead-handle::after {
            content: '⋮⋮';
            font-size: 8px;
            color: var(--bg-primary);
            letter-spacing: 1px;
        }

        .timeline-playhead-label {
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            font-family: var(--font-mono);
            font-size: 0.6em;
            color: var(--text-muted);
            white-space: nowrap;
        }

        /* Resize handles on playhead edges */
        .timeline-resize-handle {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 16px;
            cursor: ew-resize;
            z-index: 20;
            touch-action: none;  /* Prevent browser touch gestures */
        }

        .timeline-resize-handle::before {
            content: '';
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 2px;
        }

        .timeline-resize-handle:hover::before {
            background: var(--text-primary);
        }

        .timeline-resize-handle.left {
            left: -8px;
        }

        .timeline-resize-handle.left::before {
            left: 6px;
        }

        .timeline-resize-handle.right {
            right: -8px;
        }

        .timeline-resize-handle.right::before {
            right: 6px;
        }

        .playhead-window-label {
            position: absolute;
            bottom: -18px;
            left: 50%;
            transform: translateX(-50%);
            font-family: var(--font-mono);
            font-size: 0.6em;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .timeline-live-zone {
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 60px;
            background: linear-gradient(to right, transparent, rgba(0, 212, 170, 0.08));
            border-left: 1px dashed rgba(0, 212, 170, 0.3);
        }

        .timeline-labels {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 10px;
            padding: 0 4px;
        }

        .timeline-label {
            font-family: var(--font-mono);
            font-size: 0.7em;
            color: var(--text-muted);
        }

        .timeline-help {
            font-family: var(--font-mono);
            font-size: 0.65em;
            color: var(--text-muted);
            opacity: 0.7;
        }

        .timeline-legend {
            display: flex;
            gap: 10px;
            font-family: var(--font-mono);
            font-size: 0.6em;
            color: var(--text-muted);
            align-items: center;
        }

        /* Detail Timeline with Transaction Lanes */
        .timeline-detail-header { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; margin-bottom: 6px; padding: 0 4px; }
        .timeline-detail-title { font-family: var(--font-mono); font-size: 0.7em; color: var(--text-muted); font-weight: 500; }
        .timeline-detail-range { font-family: var(--font-mono); font-size: 0.65em; color: var(--text-primary); }
        .detail-legend { display: flex; gap: 12px; font-family: var(--font-mono); font-size: 0.6em; color: var(--text-muted); }
        .detail-legend .legend-item { display: flex; align-items: center; gap: 4px; }
        .detail-legend .legend-dot { width: 10px; height: 10px; border-radius: 5px; }
        .detail-legend .legend-dot.put { background: var(--color-put); }
        .detail-legend .legend-dot.get { background: var(--color-get); }
        .detail-legend .legend-dot.update { background: var(--color-update); }
        .detail-legend .legend-dot.subscribe { background: var(--color-subscribe); }
        .timeline-detail { position: relative; height: 120px; background: var(--bg-tertiary); border-radius: 8px; padding: 8px 16px; margin-bottom: 8px; }
        .timeline-detail .timeline-ruler { top: 8px; }
        .timeline-lanes { position: absolute; top: 28px; left: 16px; right: 16px; bottom: 8px; overflow: hidden; }
        .tx-lane { position: absolute; left: 0; right: 0; height: 16px; }
        /* Transaction container - holds line and pills */
        .tx-container { position: absolute; height: 14px; min-width: 6px; cursor: pointer; top: 1px; }
        .tx-container:hover { z-index: 10; }
        .tx-container:hover .tx-pill { transform: translateX(-50%) translateY(-50%) scale(1.3); }
        .tx-container.pending { opacity: 0.5; }
        .tx-container.failed .tx-line { box-shadow: 0 0 4px 1px #ff6b6b; }

        /* Thin line showing transaction duration */
        .tx-line { position: absolute; top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-50%); border-radius: 1px; }
        .tx-line.put { background: var(--color-put); opacity: 0.5; }
        .tx-line.get { background: var(--color-get); opacity: 0.5; }
        .tx-line.update { background: var(--color-update); opacity: 0.5; }
        .tx-line.subscribe { background: var(--color-subscribe); opacity: 0.5; }
        .tx-line.connect { background: var(--color-connect); opacity: 0.5; }
        .tx-line.disconnect { background: var(--color-error); opacity: 0.5; }
        .tx-line.other { background: var(--text-muted); opacity: 0.5; }

        /* Event pills along the transaction - prominent like before */
        .tx-pill { position: absolute; top: 50%; width: 12px; height: 12px; border-radius: 6px; transform: translateX(-50%) translateY(-50%); transition: transform 0.1s; }
        .tx-pill.put { background: var(--color-put); }
        .tx-pill.get { background: var(--color-get); }
        .tx-pill.update { background: var(--color-update); }
        .tx-pill.subscribe { background: var(--color-subscribe); }
        .tx-pill.connect { background: var(--color-connect); }
        .tx-pill.disconnect { background: var(--color-error); }
        .tx-pill.other { background: var(--text-muted); }

        /* Transaction event markers (Gantt-style) */
        .tx-event-marker {
            position: absolute;
            border-radius: 3px;
            cursor: pointer;
            transform: translateX(-50%);
            transition: transform 0.1s;
        }
        .tx-event-marker:hover { transform: translateX(-50%) scale(1.3); z-index: 10; }
        .tx-event-marker.put { background: var(--color-put); }
        .tx-event-marker.get { background: var(--color-get); }
        .tx-event-marker.update { background: var(--color-update); }
        .tx-event-marker.subscribe { background: var(--color-subscribe); }
        .tx-event-marker.success { background: var(--color-connect); }
        .tx-event-marker.failed { background: #ff6b6b; }
        .tx-event-marker.other { background: var(--text-muted); }
        .tx-connector { opacity: 0.5; }

        /* Playhead grab cursor */
        .timeline-playhead { cursor: grab; }

        /* Transaction Detail Gantt View - Floating overlay */
        .tx-detail-container {
            display: none;
            position: fixed;
            bottom: 200px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            max-width: 800px;
            z-index: 200;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
            border-radius: 8px;
            overflow: hidden;
        }
        .tx-detail-container.visible { display: block; }
        .tx-detail-header {
            display: flex; justify-content: space-between; align-items: center;
            padding: 8px 12px; background: var(--bg-tertiary); border-radius: 8px 8px 0 0;
            border-bottom: 1px solid var(--border-color);
        }
        .tx-detail-title { font-family: var(--font-mono); font-size: 0.75em; color: var(--text-primary); }
        .tx-detail-title .op-badge {
            display: inline-block; padding: 2px 8px; border-radius: 4px; margin-right: 8px;
            font-weight: 600; text-transform: uppercase; font-size: 0.85em;
        }
        .tx-detail-title .op-badge.put { background: var(--color-put); color: #000; }
        .tx-detail-title .op-badge.get { background: var(--color-get); color: #fff; }
        .tx-detail-title .op-badge.update { background: var(--color-update); color: #000; }
        .tx-detail-title .op-badge.subscribe { background: var(--color-subscribe); color: #fff; }
        .tx-detail-close {
            background: none; border: none; color: var(--text-muted); cursor: pointer;
            font-size: 1.2em; padding: 4px 8px; border-radius: 4px;
        }
        .tx-detail-close:hover { background: var(--bg-secondary); color: var(--text-primary); }
        .tx-detail-gantt {
            background: var(--bg-tertiary); border-radius: 0 0 8px 8px; padding: 12px;
            max-height: 200px; overflow-y: auto; overflow-x: hidden;
        }
        .tx-event-row {
            display: flex; align-items: center; gap: 8px; padding: 3px 0;
            font-family: var(--font-mono); font-size: 0.7em;
        }
        .tx-event-time { width: 55px; color: var(--text-muted); text-align: right; flex-shrink: 0; }
        .tx-event-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
        .tx-event-dot.request { background: var(--color-put); }
        .tx-event-dot.success { background: var(--color-connect); }
        .tx-event-dot.failed { background: #ff6b6b; }
        .tx-event-dot.connect { background: var(--color-connect); }
        .tx-event-dot.put { background: var(--color-put); }
        .tx-event-dot.get { background: var(--color-get); }
        .tx-event-dot.update { background: var(--color-update); }
        .tx-event-dot.subscribe { background: var(--color-subscribe); }
        .tx-event-dot.other { background: var(--text-muted); }
        .tx-event-type { color: var(--text-primary); flex: 1; }
        .tx-event-peer { color: var(--text-muted); font-size: 0.9em; }
        .tx-detail-summary {
            display: flex; gap: 16px; padding: 8px 12px; background: var(--bg-secondary);
            border-radius: 4px; margin-bottom: 8px; font-family: var(--font-mono); font-size: 0.65em;
        }
        .tx-detail-summary span { color: var(--text-muted); }
        .tx-detail-summary strong { color: var(--text-primary); }

        /* Empty state */
        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 40px;
            color: var(--text-muted);
            text-align: center;
        }

        .empty-state-icon {
            font-size: 2em;
            margin-bottom: 12px;
            opacity: 0.5;
        }

        /* Keyboard shortcuts hint */
        .shortcuts-hint {
            position: fixed;
            bottom: 200px;
            right: 24px;
            font-family: var(--font-mono);
            font-size: 0.7em;
            color: var(--text-muted);
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }

        body:hover .shortcuts-hint {
            opacity: 0.5;
        }

        .shortcuts-hint kbd {
            display: inline-block;
            padding: 2px 6px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            margin: 0 2px;
        }

        /* Transaction filter */
        .filter-input {
            font-family: var(--font-mono);
            font-size: 0.8em;
            padding: 8px 12px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            width: 200px;
            transition: all 0.2s;
        }

        .filter-input:focus {
            outline: none;
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .filter-input::placeholder {
            color: var(--text-muted);
        }

        /* Peer Naming Modal */
        .peer-name-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10000;
            backdrop-filter: blur(4px);
        }

        .peer-name-modal {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }

        .peer-name-header {
            padding: 16px 20px;
            font-family: var(--font-heading);
            font-size: 1.1em;
            font-weight: 600;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
        }

        .peer-name-body {
            padding: 20px;
        }

        .peer-name-body p {
            margin: 0 0 16px 0;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .peer-name-input {
            width: 100%;
            padding: 12px 16px;
            font-family: var(--font-mono);
            font-size: 1em;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            box-sizing: border-box;
        }

        .peer-name-input:focus {
            outline: none;
            border-color: var(--accent-color);
        }

        .peer-name-hint {
            margin-top: 8px;
            font-size: 0.85em;
            color: var(--text-muted);
        }

        .peer-name-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: flex-end;
            gap: 12px;
        }

        .peer-name-btn {
            padding: 10px 20px;
            font-family: var(--font-heading);
            font-size: 0.9em;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.15s;
        }

        .peer-name-btn.secondary {
            background: var(--bg-tertiary);
            color: var(--text-secondary);
        }

        .peer-name-btn.secondary:hover {
            background: var(--bg-primary);
        }

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

        .peer-name-btn.primary:hover {
            filter: brightness(1.1);
        }

        /* ============================================
           RESPONSIVE STYLES
           ============================================ */

        /* Tablet and below (768px) */
        @media (max-width: 768px) {
            .main-content {
                padding: 8px 12px;
                padding-bottom: 12px;  /* No extra padding needed - timeline flows below */
            }

            .timeline-container {
                position: static;  /* Flow with document instead of fixed */
                background: var(--bg-primary);  /* Solid background */
                margin-top: 16px;
                border-radius: 16px;
                border: 1px solid var(--border-color);
            }

            .header {
                margin-bottom: 6px;
            }

            .header-title {
                font-size: 1.2em;
            }

            .status-indicator {
                font-size: 0.65em;
            }

            /* More compact stats */
            .stats {
                gap: 6px;
            }

            .stat {
                padding: 6px;
            }

            .stat-value {
                font-size: 1.3em;
            }

            .stat-label {
                font-size: 0.6em;
            }

            .stat-hint {
                display: none;
            }

            /* Compact op stats */
            .op-stats-row {
                gap: 6px;
            }

            .op-stat {
                padding: 6px 8px;
                gap: 6px;
            }

            .op-stat-icon {
                font-size: 1em;
            }

            .op-stat-info {
                font-size: 0.75em;
            }

            /* Dashboard panels */
            .dashboard {
                gap: 12px;
            }

            .panel {
                padding: 12px;
                border-radius: 12px;
            }

            .panel-header {
                margin-bottom: 12px;
                padding-bottom: 8px;
            }

            .panel-title {
                font-size: 0.8em;
            }

            .panel-tabs {
                gap: 2px;
            }

            .panel-tab {
                padding: 6px 10px;
                font-size: 0.75em;
            }

            /* Topology ring */
            .ring-container {
                height: 280px;
            }

            /* Events list */
            .event-row {
                font-size: 0.75em;
                padding: 6px 8px;
            }

            /* Timeline - more compact */
            .timeline-container {
                padding: 16px 12px 12px;
            }

            .timeline-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                margin-bottom: 8px;
            }

            .timeline-info {
                gap: 10px;
            }

            .timeline-time {
                font-size: 1.4em;
            }

            .timeline-mode {
                padding: 6px 14px;
                font-size: 0.7em;
            }

            .timeline-detail {
                height: 80px;
            }

            .timeline-detail-header {
                margin-top: 8px;
            }

            /* Filter bar */
            .filter-bar {
                flex-wrap: wrap;
                gap: 6px;
            }

            .filter-input {
                width: 150px;
            }
        }

        /* Phone (480px and below) */
        @media (max-width: 480px) {
            .main-content {
                padding: 6px 8px;
                padding-bottom: 8px;  /* No extra padding needed - timeline flows below */
            }

            /* Stack stats in single column for very narrow screens */
            .stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 4px;
            }

            .stat-value {
                font-size: 1.1em;
            }

            /* Single column op stats */
            .op-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 4px;
            }

            .op-stat {
                padding: 4px 6px;
            }

            .op-stat-rates {
                display: none;
            }

            /* Topology */
            .ring-container {
                height: 220px;
            }

            #ring-svg {
                transform: scale(0.8);
                transform-origin: center center;
            }

            /* Panels */
            .panel {
                padding: 10px;
            }

            .panel-tab {
                padding: 4px 8px;
                font-size: 0.7em;
            }

            /* Events */
            .events-list {
                max-height: 200px;
            }

            /* Contracts */
            .contracts-list {
                max-height: 250px;
            }

            .event-row {
                font-size: 0.7em;
                padding: 4px 6px;
            }

            .event-peer, .event-tx {
                max-width: 60px;
            }

            /* Timeline - minimal */
            .timeline-container {
                padding: 12px 8px 8px;
            }

            .timeline-time {
                font-size: 1.2em;
            }

            .timeline-date {
                font-size: 0.7em;
            }

            .timeline-mode {
                padding: 4px 10px;
                font-size: 0.65em;
            }

            .timeline-detail {
                height: 60px;
                padding: 4px 8px;
            }

            .timeline-lane-labels {
                display: none;
            }

            .timeline-legend {
                display: none;
            }

            /* Contracts list */
            .contract-item {
                padding: 8px;
                font-size: 0.8em;
            }

            .contract-key {
                font-size: 0.75em;
            }
        }

        /* Landscape phone */
        @media (max-height: 500px) and (orientation: landscape) {
            .main-content {
                padding-bottom: 8px;  /* Timeline flows below */
            }

            .stats {
                display: none;
            }

            .op-stats-row {
                display: none;
            }

            .ring-container {
                height: 180px;
            }

            .timeline-container {
                position: static;  /* Flow with document */
                padding: 8px;
            }

            .timeline-header {
                flex-direction: row;
                justify-content: space-between;
            }

            .timeline-detail {
                height: 50px;
            }

            .timeline-detail-header {
                display: none;
            }
        }

        /* Very small screens (320px) */
        @media (max-width: 360px) {
            .header-brand {
                gap: 6px;
            }

            .header-logo {
                height: 20px;
            }

            .header-title {
                font-size: 1em;
            }

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

            .stat-value {
                font-size: 1em;
            }

            .panel-tabs {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
        }