/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #6b7280;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #475569;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.header-content h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.wallet-section {
    display: flex;
    gap: 10px;
    align-items: center;
}

.wallet-info {
    display: flex;
    gap: 10px;
    align-items: center;
    background: var(--bg-secondary);
    padding: 10px 15px;
    border-radius: 8px;
}

#walletAddress {
    font-family: monospace;
    color: var(--text-secondary);
}

/* Network Info */
.network-info {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

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

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

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

.btn-secondary:hover {
    background: var(--border);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

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

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 15px 30px;
    font-size: 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

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

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

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

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 1.5rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state small {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
}

/* Info Section */
.info-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
}

.info-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--text);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.info-card {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.info-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.info-card h4 {
    margin-bottom: 10px;
    color: var(--text);
    font-size: 1.1rem;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.info-card strong {
    color: var(--primary);
}

.info-note {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--primary);
    border-radius: 8px;
    padding: 15px;
    color: var(--text);
    font-size: 0.9rem;
}

.info-note strong {
    color: var(--primary);
}

/* Positions List */
.positions-list, .orders-list {
    display: grid;
    gap: 15px;
}

.position-card, .order-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
}

.position-card:hover, .order-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.position-header, .order-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.position-title, .order-title {
    font-size: 1.2rem;
    font-weight: 600;
}

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

.position-stats, .order-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.stat {
    background: var(--bg-tertiary);
    padding: 10px 15px;
    border-radius: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    display: block;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.position-actions, .order-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.modal-header h3 {
    font-size: 1.3rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
}

.close-btn:hover {
    color: var(--text);
}

.modal-body {
    padding: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input[type="number"],
.form-group input[type="text"] {
    width: 100%;
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.radio-group label:hover {
    background: var(--border);
}

.radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.info-box {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--primary);
    border-radius: 8px;
    padding: 15px;
    color: var(--text);
}

.position-info-box {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}

footer p {
    margin: 5px 0;
}

#contractAddress {
    font-family: monospace;
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .tabs {
        overflow-x: auto;
    }

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

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}