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

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --border: #334155;
    --border-light: #475569;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.dashboard-header {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
}

.dashboard-header h1 {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dashboard-header h1 i {
    color: var(--accent);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
}

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

.status-dot.active {
    background: var(--success);
}

.status-dot.inactive {
    background: var(--error);
}

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

/* Main Content */
.dashboard-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 12px;
}

.dashboard-section {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
}

.dashboard-section h2 {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.dashboard-section h2 i {
    color: var(--accent);
    font-size: 14px;
}

.dashboard-section h3 {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    margin-top: 16px;
}

/* Signal Monitoring */
.signal-monitoring {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #1e3a8a 0%, #312e81 100%);
    border: 1px solid var(--accent);
}

.signal-monitoring h2 {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.signal-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

.signal-status-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 6px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.signal-status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.signal-status-header h3 {
    color: white;
    font-size: 13px;
    margin: 0;
    border: none;
    padding: 0;
}

.connection-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

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

.connection-dot.connected {
    background: var(--success);
}

.signal-status-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.status-label {
    color: rgba(255, 255, 255, 0.7);
}

.status-value {
    color: white;
    font-weight: 600;
    font-size: 12px;
}

.status-value.success {
    color: var(--success);
}

.status-value.error {
    color: var(--error);
}

.recent-signals-section {
    margin-top: 12px;
}

.recent-signals-section h3 {
    color: white;
    font-size: 13px;
    margin-bottom: 8px;
    border: none;
    padding: 0;
}

.signals-table-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 300px;
    overflow-y: auto;
}

.signals-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.signals-table thead {
    background: rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
}

.signals-table th {
    padding: 8px;
    text-align: left;
    color: white;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.signals-table td {
    padding: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 11px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.signals-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.signal-badge, .status-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

.signal-badge.buy {
    background: var(--success);
    color: white;
}

.signal-badge.sell {
    background: var(--error);
    color: white;
}

.status-badge.executed {
    background: var(--success);
    color: white;
}

.status-badge.failed {
    background: var(--error);
    color: white;
}

.no-signals {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    padding: 16px;
    font-size: 12px;
}

/* Exchanges List */
.exchanges-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.exchange-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.exchange-item:hover {
    border-color: var(--accent);
    background: var(--bg-secondary);
}

.exchange-item.enabled {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.exchange-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.exchange-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.exchange-status {
    font-size: 11px;
    color: var(--text-muted);
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: 4px;
}

.exchange-item-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.exchange-toggle {
    position: relative;
    width: 44px;
    height: 24px;
}

.exchange-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.exchange-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    transition: 0.3s;
    border-radius: 24px;
}

.exchange-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-muted);
    transition: 0.3s;
    border-radius: 50%;
}

.exchange-toggle input:checked + .exchange-toggle-slider {
    background-color: var(--success);
    border-color: var(--success);
}

.exchange-toggle input:checked + .exchange-toggle-slider:before {
    transform: translateX(20px);
    background-color: white;
}

.btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

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

.btn-sm {
    padding: 4px 8px;
    font-size: 11px;
}

/* Forms */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group.full-width {
    width: 100%;
}

.form-group label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 12px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"] {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent);
}

.form-group label:has(input[type="checkbox"]) {
    flex-direction: row;
    align-items: center;
    gap: 6px;
}

.form-group small {
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.4;
    margin-top: 0;
}

/* Range Slider */
input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    margin: 4px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

.form-help {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    font-style: italic;
}

.warning-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    border-radius: 6px;
    padding: 8px;
    margin-top: 8px;
    display: flex;
    align-items: flex-start;
    gap: 6px;
    color: var(--warning);
    font-size: 11px;
}

.warning-box i {
    margin-top: 2px;
    font-size: 12px;
}

.warning-box strong {
    display: block;
    margin-bottom: 2px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
}

.modal-header {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 16px;
    margin: 0;
    border: none;
    padding: 0;
}

.close {
    color: var(--text-muted);
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
}

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

.modal-body {
    padding: 16px;
}

.modal-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    justify-content: flex-end;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 16px;
    right: 16px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 2000;
    animation: slideIn 0.3s ease;
    border: 1px solid var(--border);
    font-size: 12px;
    max-width: 300px;
}

.toast.show {
    display: block;
}

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

.toast.error {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

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

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 8px;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        padding: 12px;
    }
    
    .dashboard-main {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .dashboard-section {
        padding: 12px;
    }
    
    .signal-status-grid {
        grid-template-columns: 1fr;
    }
    
    .signals-table-container {
        font-size: 11px;
    }
    
    .signals-table th,
    .signals-table td {
        padding: 6px;
        font-size: 10px;
    }
    
    .exchange-item {
        padding: 8px 10px;
    }
    
    .modal-content {
        max-width: 100%;
        margin: 8px;
    }
    
    .modal-body {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .dashboard-header h1 {
        font-size: 16px;
    }
    
    .status-indicator {
        font-size: 11px;
    }
    
    .signals-table {
        font-size: 10px;
    }
    
    .signals-table th,
    .signals-table td {
        padding: 4px;
    }
}