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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Network Status */
.network-status {
    background: white;
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-around;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.status-item {
    display: flex;
    gap: 10px;
}

.status-item .label {
    font-weight: 600;
    color: #666;
}

/* Wallet Section */
.wallet-section {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.wallet-info {
    margin-top: 20px;
    text-align: left;
}

.wallet-info p {
    margin: 10px 0;
    font-size: 0.95rem;
}

.hidden {
    display: none !important;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #48bb78;
    color: white;
}

.btn-secondary:hover {
    background: #38a169;
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.card h2 {
    margin-bottom: 20px;
    color: #2d3748;
    font-size: 1.5rem;
}

.card h3 {
    margin-bottom: 10px;
    color: #2d3748;
    font-size: 1.2rem;
}

.card-description {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat {
    text-align: center;
    padding: 15px;
    background: #f7fafc;
    border-radius: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: #718096;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
}

/* Position Grid */
.position-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.position-item {
    padding: 15px;
    background: #f7fafc;
    border-radius: 8px;
}

.position-label {
    font-size: 0.85rem;
    color: #718096;
    margin-bottom: 8px;
}

.position-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2d3748;
}

/* Actions Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.action-card {
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.action-card:hover {
    border-color: #667eea;
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

/* Input */
.input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.input:focus {
    outline: none;
    border-color: #667eea;
}

/* Status Message */
.status-message {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.status-message.success {
    border-left: 4px solid #48bb78;
}

.status-message.error {
    border-left: 4px solid #f56565;
}

.status-message.info {
    border-left: 4px solid #4299e1;
}

/* Footer */
footer {
    text-align: center;
    color: white;
    margin-top: 40px;
    padding: 20px;
    opacity: 0.9;
}

footer p {
    margin: 5px 0;
}

.warning {
    color: #ffd700;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

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

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

    .network-status {
        flex-direction: column;
        gap: 10px;
    }
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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