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

        body {
            font-family: 'Exo 2', system-ui, sans-serif;
            background: #1a1a2e;
            color: #e0e0e0;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            background: #16213e;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(15, 52, 96, 0.2);
            padding: 32px;
            max-width: 480px;
            width: 100%;
            border: 1px solid #0f3460;
        }

        .header {
            text-align: center;
            margin-bottom: 24px;
        }

        .pi-logo {
            width: 70px;
            height: 70px;          
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .pi-logo img {
            width: 50px;
            height:60px
        }

        h1 {
            font-size: 24px;
            color: #fff;
            margin-bottom: 8px;
        }

        .subtitle {
            font-size: 15px;
            color: #a0a0c0;
        }

        .network-indicator {
            background: #00ff88;
            color: #1a1a2e;
            padding: 6px 12px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 600;
            margin: 12px auto;
            display: inline-block;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 6px;
            color: #e0e0e0;
            font-weight: 500;
            font-size: 14px;
        }

        input[type="text"],
        input[type="number"],
        input[type="password"] {
            width: 100%;
            padding: 12px;
            background: #0f3460;
            border: 1px solid #1a1a2e;
            border-radius: 8px;
            color: #e0e0e0;
            font-size: 14px;
            transition: border-color 0.2s ease;
        }

        input:focus {
            outline: none;
            border-color: #00ff88;
            box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2);
        }

        textarea {
            width: 100%;
            padding: 12px;
            background: #0f3460;
            border: 1px solid #1a1a2e;
            border-radius: 8px;
            color: #e0e0e0;
            font-size: 13px;
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.2s ease;
        }

        textarea:focus {
            outline: none;
            border-color: #00ff88;
            box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2);
        }

        .balance-display {
            background: #0f3460;
            border: 1px solid #1a1a2e;
            border-radius: 8px;
            padding: 16px;
            text-align: center;
            margin-bottom: 20px;
            display: none;
        }

        .balance-amount {
            font-size: 20px;
            font-weight: 600;
            color: #00ff88;
        }

        .transaction-summary {
            background: #0f3460;
            border-radius: 8px;
            padding: 16px;
            margin-bottom: 20px;
            display: none;
        }

        .summary-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 14px;
            color: #e0e0e0;
        }

        .summary-row:last-child {
            margin-bottom: 0;
            font-weight: 600;
            border-top: 1px solid #1a1a2e;
            padding-top: 8px;
        }

        .btn {
            width: 100%;
            padding: 12px;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-bottom: 12px;
        }

        .btn-primary {
            background: linear-gradient(45deg, #6B00D7, #A100FF);
            color: #fff;
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(107, 0, 215, 0.3);
        }

        .btn-success {
            background: linear-gradient(45deg, #00ff88, #00cc66);
            color: #1a1a2e;
        }

        .btn-danger {
            background: linear-gradient(45deg, #ff4d4d, #cc0000);
            color: #fff;
        }

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

        .alert {
            padding: 12px;
            border-radius: 8px;
            margin-bottom: 20px;
            display: none;
            font-size: 14px;
        }

        .alert-success {
            background: rgba(0, 255, 136, 0.1);
            border: 1px solid #00ff88;
            color: #00ff88;
        }

        .alert-danger {
            background: rgba(255, 77, 77, 0.1);
            border: 1px solid #ff4d4d;
            color: #ff4d4d;
        }

        .alert-warning {
            background: rgba(255, 204, 0, 0.1);
            border: 1px solid #ffcc00;
            color: #ffcc00;
        }

        .loading {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid #fff;
            border-radius: 50%;
            border-top-color: transparent;
            animation: spin 1s ease-in-out infinite;
        }

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

        .security-warning {
            background: rgba(255, 204, 0, 0.1);
            border: 1px solid #ffcc00;
            color: #ffcc00;
            padding: 12px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 13px;
        }

        .step-indicator {
            display: flex;
            justify-content: center;
            margin-bottom: 24px;
        }

        .step {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #0f3460;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 8px;
            font-size: 14px;
            font-weight: 600;
            color: #a0a0c0;
            transition: all 0.2s ease;
        }

        .step.active {
            background: #6B00D7;
            color: #fff;
        }

        .step.completed {
            background: #00ff88;
            color: #1a1a2e;
        }

        .address-short {
            font-family: 'Roboto Mono', monospace;
            font-size: 12px;
            color: #a0a0c0;
        }

        .tx-link {
            color: #00ff88;
            text-decoration: none;
            font-weight: 600;
        }

        .tx-link:hover {
            text-decoration: underline;
        }

        .radio-group {
            display: flex;
            gap: 16px;
            margin-bottom: 12px;
        }

        .radio-group label {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            color: #e0e0e0;
        }

        input[type="radio"] {
            accent-color: #6B00D7;
        }