/* ============================================
   Visual Integration Tool Styles
   ============================================ */

.integration-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 24px;
    min-height: calc(100vh - 300px);
    align-items: start;
}

@media (max-width: 1024px) {
    .integration-layout {
        grid-template-columns: 1fr;
    }
}

.tool-title-row {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.controls-panel {
    position: sticky;
    top: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: calc(100vh - 120px);
    overflow: auto;
}

.panel-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 18px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1.1rem;
    margin: 0;
}

.input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group.full-width {
    grid-column: 1 / -1;
}

.input-group label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.input-group input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    transition: border-color 0.2s;
}

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

.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.warning-text {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--text-secondary);
}

.warning-text p {
    margin: 0;
}

.warning-text strong {
    color: var(--accent-warning);
    font-weight: 700;
}

.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0;
    padding-left: 18px;
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.sidebar-link {
    color: var(--accent-engineering);
    text-decoration: none;
}

.sidebar-link:hover {
    text-decoration: underline;
}

.sidebar-footnote {
    margin: 12px 0 0;
    font-size: 0.74rem;
    line-height: 1.5;
    color: var(--text-muted);
}

.calibration-help {
    margin-bottom: 12px;
}

.calibration-anchor-row {
    display: flex;
    gap: 4px;
}

.calibration-anchor-row input {
    flex: 1;
    width: 0;
}

.calibration-baseline {
    margin-top: 12px;
}

.invalid-input {
    border-color: var(--accent-error) !important;
    box-shadow: 0 0 0 3px var(--accent-error-dim);
}

/* Buttons */
.action-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 9px 12px;
    border-radius: 10px;
    cursor: pointer;
    font: 400 0.8rem 'JetBrains Mono', monospace;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

.action-btn.small {
    padding: 5px 10px;
    font-size: 0.8rem;
}

.action-btn.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
}

.action-btn.active {
    border-color: var(--accent-engineering);
    color: var(--accent-engineering);
}

.action-btn.danger:hover {
    border-color: var(--accent-error);
    color: var(--accent-error);
}

.upload-btn {
    cursor: pointer;
    margin: 0;
}

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

.series-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.series-item.active {
    border-color: var(--accent-engineering);
    box-shadow: 0 0 0 1px var(--accent-engineering-dim);
}

.series-item:hover:not(.active) {
    border-color: var(--border-hover);
}

.series-color-picker {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    overflow: hidden;
}

.series-color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}
.series-color-picker::-webkit-color-swatch {
    border: none;
}

.series-name {
    flex-grow: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
}

.series-name:focus {
    outline: none;
    border-bottom: 1px solid var(--accent-engineering);
}

.series-delete-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font: 700 0.8rem 'JetBrains Mono', monospace;
    text-transform: uppercase;
}

.series-delete-btn:hover {
    color: var(--accent-error);
}

/* Results */
.results-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.result-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-swatch {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.result-value {
    font-weight: 700;
}

/* Canvas Panel */
.canvas-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 700px;
}

.canvas-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.canvas-controls {
    display: flex;
    gap: 20px;
    align-items: center;
}

.canvas-controls-wrap {
    flex-wrap: wrap;
}

.control-spacer {
    flex: 1;
}

.pdf-controls {
    flex-wrap: wrap;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    align-items: center;
    gap: 12px;
}

.inline-input {
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.inline-input label {
    margin: 0;
}

.inline-input input {
    width: 60px;
    padding: 4px;
}

.control-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 8px;
}

.toggle-control {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    user-select: none;
}

.toggle-control input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.toggle-slider {
    position: relative;
    width: 36px;
    height: 20px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: 0.2s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    background: var(--text-muted);
    transition: 0.2s;
}

.toggle-control input:checked + .toggle-slider {
    background: var(--accent-engineering-dim);
    border-color: var(--accent-engineering);
}

.toggle-control input:checked + .toggle-slider::before {
    transform: translateX(16px);
    background: var(--accent-engineering);
}

.toggle-control input:focus-visible + .toggle-slider {
    box-shadow: 0 0 0 3px var(--accent-engineering-dim);
}

.status-banner {
    margin: 12px 20px 0;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.status-banner[hidden] {
    display: none;
}

.status-banner.error {
    border-color: var(--accent-error);
    color: var(--accent-error);
    background: var(--accent-error-dim, rgba(239, 68, 68, 0.08));
}

.status-banner.success {
    border-color: var(--accent-success);
    color: var(--accent-success);
}

.canvas-container {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 620px;
    aspect-ratio: 4/3;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    background:
        linear-gradient(45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.035) 75%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.035) 75%),
        #0b1220;
    background-size: 24px 24px;
    background-position: 0 0, 12px 12px;
    cursor: crosshair;
}

#integrationCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    touch-action: none; /* Prevent scrolling while dragging on mobile */
}

.canvas-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    pointer-events: none;
}

[data-theme="light"] .canvas-overlay {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
}

.import-export-controls {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.utility-button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#csvDataInput {
    width: 100%;
    height: 80px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    resize: vertical;
}

#csvDataInput:focus {
    outline: none;
    border-color: var(--accent-engineering);
}

@media (max-width: 1024px) {
    .controls-panel {
        position: relative;
        top: 0;
        max-height: none;
        overflow: visible;
    }

    .canvas-container {
        min-height: 500px;
    }
}