/* BOPTEST Web Controller - Styles */

.hidden {
    display: none !important;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #16a34a;
    --warning-color: #d97706;
    --bg-color: #f3f4f6;
    --panel-bg: #ffffff;
    --border-color: #e5e7eb;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --header-bg: #1f2937;
    --header-text: #ffffff;
}

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

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

/* Header */
#app-header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#app-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

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

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

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

.status-dot.disconnected {
    background-color: var(--danger-color);
}

/* Main Layout */
#app-main {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Simulation Section */
#simulation-section {
    flex-shrink: 0;
    min-height: 500px;
}

/* Results Section */
#results-section {
    flex-shrink: 0;
    margin-bottom: 1rem;
}

/* 2-Column Layout for Simulation */
.layout-2col {
    display: grid !important;
    grid-template-columns: 320px 1fr !important;
    gap: 1rem !important;
    min-height: 500px;
    grid-auto-rows: 1fr;
}

#simulation-section > .layout-2col {
    display: grid !important;
    grid-template-columns: 320px 1fr !important;
    gap: 1rem !important;
}

/* Legacy 3-column layout - DEPRECATED */

/* Panels */
.panel {
    background-color: var(--panel-bg);
    border-radius: 8px;
    padding: 1rem;
    overflow-y: auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.panel h2 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.main-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
    overflow: hidden;
}

/* Config Sections */
.config-section {
    margin-bottom: 1.5rem;
}

.config-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 0.75rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    color: var(--text-muted);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

/* Mode Switch */
.mode-switch-group {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mode-switch {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.mode-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.2s;
}

.mode-option:hover {
    border-color: var(--primary-color);
}

.mode-option:has(input:checked) {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.mode-option input[type="radio"] {
    margin: 0;
}

/* Advanced Options */
.advanced-options {
    margin-top: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
}

.advanced-options summary {
    cursor: pointer;
    font-weight: 500;
    padding: 0.5rem;
    color: var(--text-muted);
}

.advanced-options summary:hover {
    color: var(--text-color);
}

.advanced-options[open] summary {
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.advanced-content {
    padding: 0.5rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s;
    background-color: var(--bg-color);
    color: var(--text-color);
    position: relative;
}

/* Button Loading Spinner */
.btn .btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 0.5rem;
}

.btn.loading .btn-spinner {
    display: inline-block;
}

.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

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

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-hover);
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-large {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-group-inline {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

/* Control Panel */
#control-panel {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 8px;
}

#progress-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#progress-bar {
    flex: 1;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

#progress-fill {
    height: 100%;
    width: 0%;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

#progress-text {
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 50px;
}

/* KPI Dashboard */
#kpi-dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.kpi-card {
    background-color: var(--bg-color);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.kpi-card h4 {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.kpi-card .kpi-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

/* Chart Section */
#chart-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 300px;
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: white;
    position: relative;
}

#chart-section h3 {
    margin: 0 0 0.75rem 0;
}

/* KPI Checkboxes Row */
.kpi-checkbox-row {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.kpi-checkbox {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--bg-color);
    border-radius: 4px;
}

.kpi-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    display: inline-block;
}

#chart-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

#chart-controls label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

#plot-signals {
    flex: 1;
    min-height: 60px;
}

#chart-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

#chart-container {
    flex: 1;
    position: relative;
    min-height: 200px;
    overflow: hidden;
}

#chart-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

/* Export Panel */
#export-panel {
    display: flex;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

/* Signal Search Input */
.signal-search {
    width: 100%;
    padding: 0.4rem 0.6rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.8rem;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.signal-search:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.signal-search::placeholder {
    color: var(--text-muted);
}

/* Checkbox Grid - Config panel: 1 column */
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.25rem;
    max-height: 200px;
    overflow-y: auto;
    padding: 0.5rem;
    background-color: var(--bg-color);
    border-radius: 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

/* Collapsible Sections */
.collapsible-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.collapse-icon {
    font-size: 0.75rem;
    transition: transform 0.2s;
}

.collapsible.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.collapsible.collapsed .collapsible-content {
    display: none;
}

/* Range Slider */
input[type="range"] {
    width: 100%;
    margin: 0.5rem 0;
}

/* Hints */
.hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Results List */
#results-list {
    max-height: 300px;
    overflow-y: auto;
}

.result-item {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    font-size: 0.75rem;
}

.result-item:hover {
    background-color: var(--bg-color);
}

.result-item.selected {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.result-item .result-name {
    font-weight: 600;
}

.result-item .result-info {
    color: var(--text-muted);
}

/* Comparison Chart */
#comparison-chart-container {
    margin-top: 1rem;
    height: 200px;
}

/* Footer */
#app-footer {
    background-color: var(--header-bg);
    color: var(--text-muted);
    padding: 0.5rem 2rem;
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
}

/* Responsive */
@media (max-width: 1200px) {
    .layout {
        grid-template-columns: 280px 1fr;
    }

    #results-panel {
        display: none;
    }
}

@media (max-width: 800px) {
    .layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    #kpi-dashboard {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Notification Container - stacks notifications vertically */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

/* Notification */
.notification {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    background-color: var(--panel-bg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease;
    pointer-events: auto;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.notification.removing {
    animation: slideOut 0.3s ease forwards;
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--danger-color);
}

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.info {
    border-left: 4px solid var(--primary-color);
    background-color: #f0f7ff;
}

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

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

/* Parameter Form */
.params-container {
    background-color: var(--bg-color);
    border-radius: 4px;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.params-container .form-group {
    margin-bottom: 0.5rem;
}

.params-container label {
    font-size: 0.75rem;
}

.params-container input {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

/* Controller Check Result */
.controller-check-result {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.controller-check-result.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.controller-check-result.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.controller-check-result.hidden {
    display: none;
}

/* ==================== Results Comparison ==================== */

.upload-section {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.results-comparison {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.comparison-header h3 {
    font-size: 1rem;
    margin: 0;
}

.comparison-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.control-group > label {
    font-weight: 600;
    font-size: 0.875rem;
}

.checkbox-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem;
    background-color: var(--bg-color);
}

#signals-checkbox-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.25rem;
    max-height: 200px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
    cursor: pointer;
    font-size: 0.75rem;
}

.checkbox-item:hover {
    background-color: var(--panel-bg);
}

.checkbox-item input[type="checkbox"] {
    cursor: pointer;
}

.checkbox-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.checkbox-item .badge {
    font-size: 0.6rem;
    padding: 0.1rem 0.3rem;
    background: #7c3aed;
    color: white;
    border-radius: 3px;
    margin-left: 0.25rem;
}

.checkbox-item .badge-kpi {
    background: #d97706;
}

.checkbox-item.forecast-signal {
    opacity: 0.8;
    font-style: italic;
}

/* Signal Tabs */
.comparison-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.signal-tab {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px 4px 0 0;
    background-color: var(--bg-color);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.signal-tab:hover {
    background-color: var(--panel-bg);
}

.signal-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Signal Charts */
.comparison-charts {
    flex: 1;
    min-height: 200px;
    position: relative;
}

.signal-chart-container {
    display: none;
    height: 100%;
    min-height: 200px;
}

.signal-chart-container.active {
    display: block;
}

.signal-chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Fullscreen Mode */
#results-comparison-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background-color: var(--panel-bg);
    padding: 1rem;
    overflow: auto;
}

#results-comparison-container.fullscreen .results-comparison {
    height: 100%;
}

#results-comparison-container.fullscreen .comparison-controls {
    flex-direction: row;
    flex-wrap: wrap;
}

#results-comparison-container.fullscreen .control-group {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

#results-comparison-container.fullscreen .checkbox-list {
    max-height: 200px;
}

#results-comparison-container.fullscreen .comparison-charts {
    min-height: 400px;
}

#results-comparison-container.fullscreen .signal-chart-container {
    min-height: 400px;
}

body.has-fullscreen {
    overflow: hidden;
}

body.has-fullscreen #app-header,
body.has-fullscreen #app-footer,
body.has-fullscreen #config-panel,
body.has-fullscreen #dashboard {
    display: none;
}

/* ==================== Results Section ==================== */

.results-section-layout {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.results-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    flex-shrink: 0;
}

.results-selection,
.signals-selection {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.panel-header h3 {
    font-size: 1rem;
    margin: 0;
}

.results-plots {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0;
    margin-top: 0.5rem;
}

.signal-plot-card {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.signal-plot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.signal-plot-header h4 {
    font-size: 0.875rem;
    margin: 0;
    color: var(--text-color);
}

.signal-plot-body {
    flex: 1;
    position: relative;
    min-height: 200px;
}

.signal-plot-body canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

.hint.centered {
    text-align: center;
    padding: 2rem;
    grid-column: 1 / -1;
}

/* ==================== Fullscreen Modal ==================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--panel-bg);
    border-radius: 8px;
    width: 100%;
    height: 100%;
    max-width: 1400px;
    max-height: 900px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
}

.modal-header .btn-small {
    cursor: pointer;
    z-index: 10;
    min-width: 32px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    flex: 1;
    padding: 1rem;
    position: relative;
}

.modal-body canvas {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
}

.modal-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ==================== Settings Modal ==================== */

.settings-modal-content {
    width: auto;
    height: auto;
    max-width: 600px;
    min-width: 500px;
    max-height: none;
}

/* Small confirmation modal */
.modal-small {
    width: auto;
    height: auto;
    max-width: 450px;
    min-width: 350px;
    max-height: none;
}

.modal-small .modal-body {
    padding: 1.5rem;
}

.modal-small .modal-body p {
    margin-bottom: 0.75rem;
}

.modal-small .modal-body p:last-child {
    margin-bottom: 0;
}

/* Medium modal size */
.modal-medium {
    width: auto;
    height: auto;
    max-width: 550px;
    min-width: 400px;
    max-height: none;
}

.modal-medium .modal-body {
    padding: 1.5rem;
}

/* Interpolation Modal Styles */
.interpolation-info {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.interpolation-info h4 {
    color: var(--warning-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.interpolation-info p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.timestep-comparison {
    display: flex;
    gap: 2rem;
    background: var(--bg-color);
    padding: 0.75rem 1rem;
    border-radius: 6px;
}

.timestep-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.timestep-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.timestep-value {
    font-size: 1.1rem;
    font-weight: 600;
    font-family: monospace;
}

.interpolation-options p {
    margin-bottom: 1rem;
    font-weight: 500;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.radio-option {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.radio-option:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.radio-option:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.radio-option > span {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.radio-option > span::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.radio-option:has(input:checked) > span::before {
    border-color: var(--primary-color);
    background: var(--primary-color);
    box-shadow: inset 0 0 0 3px white;
}

.option-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    margin-left: 24px;
}

.setting-group {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.setting-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.setting-group label {
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: block;
}

.setting-group select {
    width: 100%;
    margin-bottom: 0.5rem;
}

.setting-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    line-height: 1.4;
}

.setting-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.setting-group select,
.setting-group input[type="text"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
    box-sizing: border-box;
}

/* ==================== Header Layout ==================== */

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-user-info {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    margin-right: 0.25rem;
}

.btn-icon {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.btn-icon svg {
    display: block;
}

/* Responsive for Results Page */
@media (max-width: 1000px) {
    .results-controls {
        grid-template-columns: 1fr;
    }

    .results-plots {
        grid-template-columns: 1fr;
    }
}

/* Responsive for narrow/portrait screens */
@media (max-width: 600px) {
    #signals-checkbox-list {
        grid-template-columns: 1fr;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }
}


/* ==================== Controller Upload ==================== */

.controller-upload-section {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #e0e0e0;
}

.upload-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: #555;
    margin-bottom: 0.4rem;
}

.upload-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 1rem;
    border: 2px dashed #ccc;
    border-radius: 6px;
    cursor: pointer;
    color: #888;
    font-size: 0.8rem;
    text-align: center;
    transition: border-color 0.2s, background-color 0.2s;
}

.upload-dropzone:hover,
.upload-dropzone.drag-over {
    border-color: var(--primary-color);
    background-color: #f0f7ff;
}

.upload-dropzone svg {
    opacity: 0.5;
}

.upload-status {
    margin-top: 0.4rem;
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.upload-status.success {
    background: #e8f5e9;
    color: #2e7d32;
}

.upload-status.error {
    background: #fce4ec;
    color: #c62828;
}

.user-controllers-list {
    margin-top: 0.5rem;
}

.user-controller-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3rem 0.5rem;
    background: #f5f5f5;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.user-controller-item .controller-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-controller-action {
    background: none;
    border: none;
    color: #333;
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 3px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.btn-controller-action:hover {
    background: #e0e0e0;
}

.btn-controller-delete:hover {
    background: #fce4ec;
    color: #c62828;
}


/* ==================== Admin: User Data Checkboxes ==================== */

.admin-view-data-section {
    margin-top: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.8rem;
}

.admin-view-data-section label {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    margin-right: 0.6rem;
    color: #555;
}

.admin-view-data-section input[type="checkbox"] {
    margin: 0;
}

.admin-sortable {
    transition: background-color 0.15s;
}

.admin-sortable:hover {
    background-color: #f0f0f0;
}

.admin-sort-indicator {
    font-size: 0.75rem;
    margin-left: 0.2rem;
}