:root {
    --bg-color: #0f111a;
    --card-bg: #1a1d2d;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-green: #10b981;
    --accent-blue: #3b82f6;
    --accent-red: #ef4444;
    --border-color: #2d3748;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--accent-green);
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.wallet-info {
    margin-top: 10px;
    font-family: monospace;
    color: var(--accent-blue);
    font-size: 0.9rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.info-grid, .status-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 16px;
}

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

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.value {
    font-size: 0.95rem;
    word-break: break-all;
}

.mono {
    font-family: monospace;
    color: var(--accent-blue);
}

.status-box {
    background: rgba(255,255,255,0.03);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
}

.status-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-green);
}

.status-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.input-group {
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

input[type="number"] {
    width: 100%;
    padding: 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary { background: var(--accent-blue); color: white; max-width: 250px; margin: 0 auto; display: block;}
.btn-secondary { background: #475569; color: white; }
.btn-success { background: var(--accent-green); color: white; }

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.warning-text {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.log-container {
    background: #000;
    border-radius: 8px;
    padding: 16px;
    max-height: 200px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.85rem;
}

.log-entry {
    margin-bottom: 8px;
    color: #94a3b8;
}

.log-entry.success { color: var(--accent-green); }
.log-entry.error { color: var(--accent-red); }
.log-entry.info { color: var(--accent-blue); }

@media (max-width: 600px) {
    .status-grid { grid-template-columns: 1fr; }
}