/* General Body Styles */
:root {
    --bg-color: #131722;
    --surface-color: #1e222d;
    --border-color: #2a2e39;
    --text-primary: #d1d4dc;
    --text-secondary: #b2b5be;
    --accent-blue: #2962ff;
    --accent-green: #26a69a;
    --accent-red: #ef5350;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    font-size: 14px;
    overflow: hidden;
}

#app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Navigation Bar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--surface-color);
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.logo {
    font-size: 1.5em;
    font-weight: 700;
    color: #ffffff;
}

.nav-links {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 18px 20px;
    display: block;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
}

.nav-links a:hover {
    color: #ffffff;
}

.nav-links a.active {
    color: #ffffff;
    border-bottom: 2px solid var(--accent-blue);
}

/* Main Layout */
.main-container {
    display: flex;
    flex-grow: 1;
    overflow: hidden;
    position: relative;
}

.chart-section {
    flex-grow: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    position: relative;
    min-width: 0;
}

.info-panel {
    width: 380px;
    flex-shrink: 0;
    background-color: var(--surface-color);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
}

.panel-content {
    padding: 16px;
}

/* Loading Overlay */
#loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(19, 23, 34, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 100;
    transition: opacity 0.3s ease;
}
#loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}
.spinner {
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-left-color: var(--accent-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}
#loading-overlay p {
    margin-top: 16px;
    font-weight: 500;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

#status-text {
    padding: 10px;
    text-align: center;
    font-size: 1em;
    color: var(--accent-red);
    background-color: rgba(239, 83, 80, 0.1);
    border-radius: 6px;
    margin-bottom: 10px;
    display: none;
}

/* AI Recommendation Banner */
.ai-banner {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.ai-banner h4 {
    margin: 0 0 8px 0;
    font-weight: 600;
    font-size: 14px;
}

#ai-recommendation-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ai-banner-action {
    font-weight: 600;
    font-size: 14px;
}

.ai-banner-reason {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.ai-targets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 12px 0;
    font-size: 12px;
    text-align: center;
}

.ai-targets-grid p {
    margin: 0;
    background-color: var(--surface-color);
    padding: 6px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.ai-targets-grid p strong {
    color: var(--text-secondary);
    display: block;
    font-weight: 500;
    margin-bottom: 4px;
}


/* Chart Styles */
.chart-grid {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
}
.chart-container {
    background-color: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.price-chart-container { 
    flex: 3 1 0;
    min-height: 200px;
}
.indicator-chart-container { 
    flex: 1 1 0;
    min-height: 100px;
}

.chart-header {
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}
.chart-label {
    margin: 0;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
}
.chart-element {
    width: 100%;
    height: 100%;
    flex-grow: 1;
    position: relative; /* FIX: Anchor for custom icons */
}

#ai-details {
    font-size: 12px;
    color: var(--text-secondary);
    background-color: var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
}

/* Info Panel & Controls */
.asset-selector-container, .trade-info-card, .controls-card {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.asset-selector-container label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
    font-weight: 500;
}
select, input[type="datetime-local"], button, textarea {
    width: 100%;
    padding: 10px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 14px;
    font-family: var(--font-family);
    box-sizing: border-box;
}
select:focus, input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.price-display {
    display: flex;
    justify-content: space-between;
    align-items: center; /* Changed to center for dot alignment */
    margin-bottom: 12px;
}
#current-price-text {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}
#change-text {
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
}
#change-text.positive { background-color: rgba(38, 166, 154, 0.2); color: var(--accent-green); }
#change-text.negative { background-color: rgba(239, 83, 80, 0.2); color: var(--accent-red); }
#change-text.neutral { background-color: var(--border-color); color: var(--text-secondary); }

/* NEW: Price Update Indicator */
#price-update-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    margin-right: 8px;
    transition: background-color 0.3s ease;
}
#price-update-indicator.positive { background-color: var(--accent-green); }
#price-update-indicator.negative { background-color: var(--accent-red); }
#price-update-indicator.is-updating {
    animation: flash 0.5s ease-out;
}
@keyframes flash {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}


.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.info-grid p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}
.info-grid p span {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    margin-top: 2px;
}

.controls-card h4, .sim-controls h4, .settings-header h2 {
    margin: 0 0 12px 0;
    font-weight: 600;
}
.controls-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.control-item {
    display: flex;
    flex-direction: column;
}
.toggle-control {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}
.toggle-wrapper {
    display: flex;
    align-items: center;
}
.toggle-switch {
    -webkit-appearance: none;
    appearance: none;
    width: 38px;
    height: 22px;
    background-color: var(--border-color);
    border-radius: 22px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s;
}
.toggle-switch::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--text-primary);
    top: 3px;
    left: 3px;
    transition: transform 0.3s;
}
.toggle-switch:checked { background-color: var(--accent-blue); }
.toggle-switch:checked::before { transform: translateX(16px); }

.status-dot {
    height: 8px;
    width: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
    transition: background-color 0.5s;
}
.status-dot.live {
    background-color: var(--accent-red);
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 83, 80, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(239, 83, 80, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 83, 80, 0); }
}

button {
    background-color: var(--accent-blue);
    cursor: pointer;
    transition: background-color 0.3s;
    font-weight: 600;
    margin-top: 8px;
}
button:hover { background-color: #3d7eff; }

.running-sim-button { background-color: var(--accent-red); } 
.running-sim-button:hover { background-color: #ff4f4f; }

button:disabled {
    background-color: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
}


/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(19, 23, 34, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}
.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}
.modal-content {
    background-color: var(--surface-color);
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}
.modal-header h2 {
    margin: 0;
    font-size: 1.2em;
}
.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    margin: 0;
    line-height: 1;
}
.modal-body {
    padding: 24px;
    overflow-y: auto;
}

/* Tabs & Tables */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}
.tab-link {
    background-color: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 10px 16px;
    transition: 0.3s;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-top: 0;
}
.tab-link:hover { color: #ffffff; }
.tab-link.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}
.tab-content { display: none; }
.tab-content.active { display: block; }
.summary {
    padding: 10px;
    background-color: var(--bg-color);
    border-radius: 6px;
    margin-bottom: 10px;
    font-size: 12px;
    text-align: center;
    color: var(--text-secondary);
}
.log-container {
    height: 400px;
    overflow-y: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border-bottom: 1px solid var(--border-color);
    padding: 10px 8px;
    text-align: left;
    font-size: 12px;
}
th {
    background-color: var(--surface-color);
    font-weight: 600;
    position: sticky;
    top: 0;
}
tbody tr:hover { background-color: var(--border-color); }

/* Tooltip */
#chart-tooltip {
    position: absolute;
    display: none;
    padding: 10px;
    background-color: rgba(30, 34, 45, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
    z-index: 1000;
    pointer-events: none;
    min-width: 200px;
}
.tooltip-title { font-weight: bold; color: #ffffff; margin-bottom: 8px; }
.tooltip-row { display: flex; justify-content: space-between; margin-bottom: 4px; }
.tooltip-label { color: var(--text-secondary); }
.tooltip-value { font-weight: 500; }
.tooltip-divider { border-top: 1px solid var(--border-color); margin: 6px 0; }
.tooltip-signal { font-weight: bold; }
.tooltip-ai { margin-top: 6px; }
.tooltip-ai .tooltip-value { font-weight: bold; }
.tooltip-ai-reason { color: var(--text-secondary); font-style: italic; margin-top: 4px; }

/* Generic Side Pane Styles for Sim */
.side-pane {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 400px;
    background-color: var(--surface-color);
    border-left: 1px solid var(--border-color);
    z-index: 50;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
}

.side-pane:not(.hidden) {
    transform: translateX(0);
}

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

.pane-header h3 {
    margin: 0;
    font-size: 1.1em;
    color: var(--text-primary);
}

.pane-content {
    flex-grow: 1;
    padding: 16px;
    overflow-y: auto;
}

.sim-controls {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

/* Expander button for the simulation pane */
.open-sim-pane-btn {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--accent-blue);
    color: #ffffff;
    border: none;
    border-radius: 8px 0 0 8px;
    padding: 8px;
    width: 30px;
    height: 40px;
    cursor: pointer;
    box-shadow: -2px 0 5px rgba(0,0,0,0.2);
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
    z-index: 49;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
}

.open-sim-pane-btn:hover {
    background-color: #3d7eff;
}

#simulated-live-trades-pane:not(.hidden) + .open-sim-pane-btn {
    opacity: 0;
    pointer-events: none;
}

/* Settings Section Styles */
.settings-section {
    flex-grow: 1;
    padding: 24px;
    display: flex;
    justify-content: center;
    overflow-y: auto;
}

.settings-content {
    width: 100%;
    max-width: 700px;
}

.settings-header p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 4px;
    margin-bottom: 2rem;
}

.tab-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.settings-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group .api-key-input,
.form-group input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.8rem;
    resize: none;
    box-sizing: border-box;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}


.save-button {
    width: auto;
    padding: 10px 24px;
    font-weight: 600;
}
.message {
    padding: 0.75rem;
    border-radius: 6px;
    margin-top: 1rem;
    display: none;
    text-align: center;
    font-size: 13px;
}
.message.success {
    background-color: rgba(38, 166, 154, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}
.message.error {
    background-color: rgba(239, 83, 80, 0.1);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.placeholder {
    background-color: var(--bg-color);
    border: 1px dashed var(--border-color);
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    border-radius: 8px;
}

.hidden {
    display: none !important;
}

.danger {
    background-color: var(--accent-red);
}
.danger:hover {
    background-color: #ff4f4f;
}