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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --green: #238636;
    --green-light: #2ea043;
    --green-bright: #3fb950;
    --red: #da3633;
    --red-light: #f85149;
    --blue: #1f6feb;
    --blue-light: #388bfd;
    --orange: #d29922;
    --orange-light: #e3b341;
    --purple: #8957e5;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* Header */
header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.status-indicator .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--red);
}

.status-indicator.connected .dot {
    background-color: var(--green-bright);
}

.status-indicator.connected .text {
    color: var(--green-bright);
}

.mode-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.mode-badge.demo {
    background-color: var(--green);
    color: white;
}

.mode-badge.live {
    background-color: var(--red);
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Main Content */
main {
    padding: 1.5rem;
    display: grid;
    gap: 1.5rem;
    max-width: 1600px;
    margin: 0 auto;
}

/* Panels */
.panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
}

.panel h2 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Account Overview */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.stat-box {
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
}

.stat-value.positive {
    color: var(--green-bright);
}

.stat-value.negative {
    color: var(--red-light);
}

/* Order Form */
.order-form-panel {
    max-width: 600px;
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.form-group input,
.form-group select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
}

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

.form-group input::placeholder {
    color: var(--text-muted);
}

/* Toggle Buttons */
.toggle-buttons {
    display: flex;
    gap: 0.5rem;
}

.toggle-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.toggle-btn:hover {
    border-color: var(--text-muted);
}

.toggle-btn.active {
    border-color: var(--blue);
    color: var(--text-primary);
}

.toggle-btn.long.active {
    background-color: var(--green);
    border-color: var(--green);
    color: white;
}

.toggle-btn.short.active {
    background-color: var(--red);
    border-color: var(--red);
    color: white;
}

.toggle-buttons.small .toggle-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

/* Checkbox Group */
.checkbox-group {
    flex-direction: row !important;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--blue);
}

.checkbox-group label {
    text-transform: none;
    font-size: 0.875rem;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.submit-btn.long {
    background-color: var(--green);
    color: white;
}

.submit-btn.long:hover {
    background-color: var(--green-light);
}

.submit-btn.short {
    background-color: var(--red);
    color: white;
}

.submit-btn.short:hover {
    background-color: var(--red-light);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

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

th {
    text-align: left;
    padding: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

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

.empty-row td {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

/* Side Badges */
.side-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.side-badge.long {
    background-color: rgba(35, 134, 54, 0.2);
    color: var(--green-bright);
}

.side-badge.short {
    background-color: rgba(218, 54, 51, 0.2);
    color: var(--red-light);
}

/* Status Badges */
.status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.pending_submission,
.status-badge.submitted {
    background-color: rgba(31, 111, 235, 0.2);
    color: var(--blue-light);
}

.status-badge.open {
    background-color: rgba(31, 111, 235, 0.2);
    color: var(--blue-light);
}

.status-badge.partially_filled {
    background-color: rgba(210, 153, 34, 0.2);
    color: var(--orange-light);
}

.status-badge.filled,
.status-badge.closed {
    background-color: rgba(35, 134, 54, 0.2);
    color: var(--green-bright);
}

.status-badge.cancelled {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
}

.status-badge.rejected,
.status-badge.error {
    background-color: rgba(218, 54, 51, 0.2);
    color: var(--red-light);
}

/* Order Toolbar */
.orders-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-tabs {
    display: flex;
    gap: 0.5rem;
}

.tab-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.tab-btn.active {
    background-color: var(--blue);
    border-color: var(--blue);
    color: white;
}

.orders-actions {
    display: flex;
    gap: 0.5rem;
}

.orders-actions input {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 200px;
}

.icon-btn {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1rem;
}

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

/* Action Buttons */
.action-btn {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    margin-right: 0.25rem;
}

.action-btn.view {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.action-btn.cancel {
    background-color: rgba(218, 54, 51, 0.2);
    color: var(--red-light);
}

.action-btn.close {
    background-color: rgba(210, 153, 34, 0.2);
    color: var(--orange-light);
}

.action-btn.edit {
    background-color: rgba(31, 111, 235, 0.2);
    color: var(--blue-light);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.page-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
}

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

#page-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Event Log */
.event-log {
    max-height: 300px;
    display: flex;
    flex-direction: column;
}

.clear-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
}

.log-container {
    flex: 1;
    overflow-y: auto;
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    padding: 0.75rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
}

.log-entry {
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.info {
    color: var(--text-secondary);
}

.log-entry.success {
    color: var(--green-bright);
}

.log-entry.warning {
    color: var(--orange-light);
}

.log-entry.error {
    color: var(--red-light);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 500px;
    width: 90%;
}

.modal-content.modal-small {
    max-width: 400px;
}

.modal-content.modal-large {
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-content h3 {
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.modal-content .warning {
    color: var(--orange-light);
    font-size: 0.875rem;
}

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

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

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

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.modal-content input {
    width: 100%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

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

.btn-danger:hover {
    background-color: var(--red-light);
}

/* Detail Modal Body */
.detail-body {
    display: grid;
    gap: 1rem;
}

.detail-section {
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    padding: 1rem;
}

.detail-section h4 {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 500;
}

.detail-value.copy-btn {
    cursor: pointer;
    color: var(--blue-light);
}

.detail-value.copy-btn:hover {
    text-decoration: underline;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    width: 300px;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

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

.toast.success {
    border-left: 4px solid var(--green-bright);
}

.toast.error {
    border-left: 4px solid var(--red-light);
}

.toast.warning {
    border-left: 4px solid var(--orange-light);
}

.toast.info {
    border-left: 4px solid var(--blue-light);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast.success .toast-icon { color: var(--green-bright); }
.toast.error .toast-icon { color: var(--red-light); }
.toast.warning .toast-icon { color: var(--orange-light); }
.toast.info .toast-icon { color: var(--blue-light); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
}

/* Row Animation */
.row-new {
    animation: flashYellow 1s ease;
}

.row-updated {
    animation: flashBlue 1s ease;
}

@keyframes flashYellow {
    0% { background-color: rgba(210, 153, 34, 0.3); }
    100% { background-color: transparent; }
}

@keyframes flashBlue {
    0% { background-color: rgba(31, 111, 235, 0.3); }
    100% { background-color: transparent; }
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }

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

    .filter-tabs {
        flex-wrap: wrap;
    }

    .orders-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .orders-actions {
        justify-content: space-between;
    }

    .orders-actions input {
        flex: 1;
    }
}