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

        :root {
            --bg-primary: #0d1117;
            --bg-secondary: #161b22;
            --bg-tertiary: #21262d;
            --border-color: #30363d;
            --text-primary: #c9d1d9;
            --text-secondary: #8b949e;
            --accent-orange: #ff6b35;
            --accent-green: #3fb950;
            --accent-blue: #58a6ff;
            --accent-red: #f85149;
            --accent-yellow: #d29922;
            --shadow: rgba(0, 0, 0, 0.4);
            --chart-grid: rgba(139, 148, 158, 0.15);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }

        .container {
            max-width: 1600px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
            margin-bottom: 30px;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px var(--shadow);
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
        }

        h1 {
            font-size: 28px;
            font-weight: 600;
            color: var(--accent-orange);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 20px;
        }

        .status-indicator {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--accent-green);
            animation: pulse 2s infinite;
        }

        .status-dot.error {
            background-color: var(--accent-red);
            animation: none;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .last-update {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .stat-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            transition: transform 0.2s, box-shadow 0.2s;
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--shadow);
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .stat-value {
            font-size: 32px;
            font-weight: 600;
            color: var(--accent-orange);
            line-height: 1.2;
        }

        .stat-unit {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .section-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: '';
            width: 4px;
            height: 24px;
            background: var(--accent-orange);
            border-radius: 2px;
        }

        .charts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .chart-container {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            position: relative;
        }

        .chart-header {
            margin-bottom: 15px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .chart-wrapper {
            position: relative;
            height: 300px;
        }

        canvas {
            max-width: 100%;
            height: 100%;
        }

        .table-container {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 40px;
        }

        .table-wrapper {
            overflow-x: auto;
        }

        table {
            width: 100%;
            border-collapse: collapse;
        }

        thead {
            background-color: var(--bg-tertiary);
        }

        th {
            padding: 16px;
            text-align: left;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 1px solid var(--border-color);
            white-space: nowrap;
        }

        td {
            padding: 16px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        tbody tr {
            transition: background-color 0.2s;
        }

        tbody tr:hover {
            background-color: var(--bg-tertiary);
        }

        tbody tr:last-child td {
            border-bottom: none;
        }

        .wallet-address {
            font-family: 'Courier New', monospace;
            font-size: 13px;
            color: var(--text-primary);
            word-break: break-all;
        }

        .hashrate {
            color: var(--accent-green);
            font-weight: 500;
        }

        .hashrate.high {
            color: var(--accent-blue);
            font-weight: 600;
        }

        .hashrate.low {
            color: var(--accent-yellow);
        }

        .balance {
            color: var(--accent-orange);
            font-weight: 500;
        }

        .error-message {
            background-color: rgba(248, 81, 73, 0.1);
            border: 1px solid var(--accent-red);
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            color: var(--accent-red);
            display: none;
            align-items: center;
            gap: 12px;
        }

        .error-message.show {
            display: flex;
        }

        .error-icon {
            font-size: 24px;
        }

        .loading {
            text-align: center;
            padding: 40px;
            color: var(--text-secondary);
        }

        .loading::after {
            content: '';
            display: inline-block;
            width: 20px;
            height: 20px;
            margin-left: 10px;
            border: 3px solid var(--border-color);
            border-top-color: var(--accent-orange);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

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

        .no-data {
            text-align: center;
            padding: 40px;
            color: var(--text-secondary);
            font-style: italic;
        }

        /* Setup Guide Styles */
        .setup-guide {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 40px;
        }

        .guide-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
        }

        .guide-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .guide-title {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .pool-info {
            background-color: var(--bg-tertiary);
            border-left: 4px solid var(--accent-orange);
            padding: 20px;
            margin-bottom: 30px;
            border-radius: 6px;
        }

        .pool-info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 15px;
        }

        .pool-info-item:last-child {
            margin-bottom: 0;
        }

        .pool-info-label {
            color: var(--text-secondary);
            min-width: 120px;
        }

        .pool-info-value {
            color: var(--accent-orange);
            font-family: 'Courier New', monospace;
            font-weight: 600;
            background-color: var(--bg-primary);
            padding: 6px 12px;
            border-radius: 4px;
            user-select: all;
            cursor: pointer;
        }

        .pool-info-value:hover {
            background-color: var(--border-color);
        }

        .tabs {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            flex-wrap: wrap;
        }

        .tab {
            padding: 12px 24px;
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            border-bottom: 3px solid transparent;
            transition: all 0.2s;
        }

        .tab:hover {
            color: var(--text-primary);
        }

        .tab.active {
            color: var(--accent-orange);
            border-bottom-color: var(--accent-orange);
        }

        .tab-content {
            display: none;
        }

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

        .step {
            margin-bottom: 25px;
            padding-left: 35px;
            position: relative;
        }

        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 24px;
            height: 24px;
            background-color: var(--accent-orange);
            color: var(--bg-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 13px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-description {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .code-block {
            background-color: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 15px;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            color: var(--accent-green);
            overflow-x: auto;
            margin: 10px 0;
            position: relative;
        }

        .code-block:hover .copy-btn {
            opacity: 1;
        }

        .copy-btn {
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            cursor: pointer;
            opacity: 0;
            transition: opacity 0.2s, background-color 0.2s;
        }

        .copy-btn:hover {
            background-color: var(--border-color);
            color: var(--text-primary);
        }

        .copy-btn.copied {
            background-color: var(--accent-green);
            color: var(--bg-primary);
        }

        .info-box {
            background-color: rgba(88, 166, 255, 0.1);
            border-left: 4px solid var(--accent-blue);
            padding: 15px;
            margin: 15px 0;
            border-radius: 4px;
        }

        .info-box-title {
            color: var(--accent-blue);
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .warning-box {
            background-color: rgba(210, 153, 34, 0.1);
            border-left: 4px solid var(--accent-yellow);
            padding: 15px;
            margin: 15px 0;
            border-radius: 4px;
        }

        .warning-box-title {
            color: var(--accent-yellow);
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .download-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin: 15px 0;
        }

        .download-link {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 6px;
            text-align: center;
            text-decoration: none;
            color: var(--text-primary);
            transition: all 0.2s;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .download-link:hover {
            background-color: var(--border-color);
            border-color: var(--accent-orange);
        }

        .download-icon {
            font-size: 32px;
        }

        .download-label {
            font-weight: 600;
            color: var(--accent-orange);
        }

        .collapse-section {
            margin-top: 30px;
        }

        .collapse-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 20px;
            background-color: var(--bg-tertiary);
            border-radius: 6px;
            cursor: pointer;
            transition: background-color 0.2s;
            user-select: none;
        }

        .collapse-header:hover {
            background-color: var(--border-color);
        }

        .collapse-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .collapse-icon {
            color: var(--accent-orange);
            transition: transform 0.3s;
        }

        .collapse-icon.open {
            transform: rotate(180deg);
        }

        .collapse-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .collapse-content.open {
            max-height: 2000px;
            transition: max-height 0.5s ease-in;
        }

        .collapse-inner {
            padding: 20px;
        }

        /* Miner Lookup Styles */
        .miner-lookup {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 40px;
        }

        .lookup-header {
            text-align: center;
            margin-bottom: 25px;
        }

        .lookup-title {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .lookup-subtitle {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .lookup-form {
            display: flex;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .lookup-input {
            flex: 1;
            min-width: 250px;
            padding: 14px 18px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-primary);
            font-size: 14px;
            font-family: 'Courier New', monospace;
            transition: border-color 0.2s, background-color 0.2s;
        }

        .lookup-input:focus {
            outline: none;
            border-color: var(--accent-orange);
            background-color: var(--bg-primary);
        }

        .lookup-input::placeholder {
            color: var(--text-secondary);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
        }

        .lookup-button {
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
            border: none;
            border-radius: 6px;
            color: var(--bg-primary);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            white-space: nowrap;
        }

        .lookup-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        .lookup-button:active {
            transform: translateY(0);
        }

        .lookup-button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }

        .miner-stats-container {
            margin-top: 30px;
            display: none;
        }

        .miner-stats-container.show {
            display: block;
        }

        .miner-stats-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .miner-stats-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .clear-lookup {
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 13px;
            transition: all 0.2s;
        }

        .clear-lookup:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .miner-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 25px;
        }

        .miner-stat-card {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 18px;
        }

        .miner-stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .miner-stat-value {
            font-size: 24px;
            font-weight: 600;
            color: var(--accent-orange);
        }

        .miner-stat-unit {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        .miner-wallet-display {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 15px;
            margin-bottom: 20px;
            word-break: break-all;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            color: var(--text-primary);
        }

        .lookup-error {
            background-color: rgba(248, 81, 73, 0.1);
            border: 1px solid var(--accent-red);
            border-radius: 6px;
            padding: 15px;
            margin-top: 20px;
            color: var(--accent-red);
            display: none;
            text-align: center;
        }

        .lookup-error.show {
            display: block;
        }

        .miner-chart-container {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 20px;
            margin-top: 20px;
        }

        .miner-chart-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 15px;
        }

        .tooltip {
            position: absolute;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 10px 12px;
            font-size: 12px;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.2s;
            z-index: 1000;
            box-shadow: 0 4px 12px var(--shadow);
        }

        .tooltip.show {
            opacity: 1;
        }

        .tooltip-label {
            color: var(--text-secondary);
            margin-bottom: 4px;
        }

        .tooltip-value {
            color: var(--accent-orange);
            font-weight: 600;
            font-size: 14px;
        }

        footer {
            margin-top: 60px;
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            text-align: center;
            color: var(--text-secondary);
            font-size: 14px;
        }

        footer a {
            color: var(--accent-orange);
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .charts-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 22px;
            }

            header .container {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .stat-value {
                font-size: 28px;
            }

            .chart-wrapper {
                height: 250px;
            }

            table {
                min-width: 600px;
            }

            th, td {
                padding: 12px 8px;
                font-size: 13px;
            }

            .wallet-address {
                font-size: 11px;
                max-width: 150px;
                overflow: hidden;
                text-overflow: ellipsis;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 15px;
            }

            h1 {
                font-size: 20px;
            }

            .logo {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .stat-card {
                padding: 15px;
            }

            .stat-value {
                font-size: 24px;
            }

            .chart-container {
                padding: 15px;
            }

            .charts-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }
        }