/* ===========================================
   Phase Correlation Styles
   Project-specific styles for Understanding Phase Correlation
   =========================================== */

/* App container */
.phase-app {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

/* Main controls row - three column layout */
.controls-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: stretch;
}

/* Tablet: stack scenarios below, meter and source side by side */
@media (max-width: 1024px) {
    .controls-row {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
    }

    .controls-row .meter-card {
        grid-column: 1;
        grid-row: 1;
    }

    .controls-row .source-card {
        grid-column: 2;
        grid-row: 1;
    }

    .controls-row .scenarios-card {
        grid-column: 1 / -1;
        grid-row: 2;
    }
}

/* Mobile: single column */
@media (max-width: 640px) {
    .controls-row {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .controls-row .meter-card,
    .controls-row .source-card,
    .controls-row .scenarios-card {
        grid-column: 1;
        grid-row: auto;
    }
}

/* Card variants for the controls row */
.meter-card {
    display: flex;
    flex-direction: column;
}

.meter-card .card-header {
    margin-bottom: var(--spacing-xs);
}

.scenarios-card {
    display: flex;
    flex-direction: column;
}

.scenarios-card .card-header {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

/* Output mode group (Stereo/Mono buttons) */
.output-mode-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.output-mode-button {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-control-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.output-mode-button:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

.output-mode-button.active {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.output-mode-button.active:hover {
    background: rgba(37, 99, 235, 0.2);
    border-color: var(--color-accent-hover);
}

/* Dark mode for output mode buttons */
[data-theme="dark"] .output-mode-button.active {
    background: rgba(37, 99, 235, 0.35);
    border-color: #60a5fa;
    color: #93c5fd;
}

[data-theme="dark"] .output-mode-button.active:hover {
    background: rgba(37, 99, 235, 0.45);
    border-color: #93c5fd;
}

.source-card {
    display: flex;
    flex-direction: column;
    min-width: 200px;
    max-width: 280px;
}

@media (max-width: 1024px) {
    .source-card {
        max-width: none;
    }
}

.source-card .card-header {
    margin-bottom: var(--spacing-xs);
}

/* Vertical source controls for right column */
.source-controls-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.source-button-group-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

@media (max-width: 1024px) {
    .source-button-group-vertical {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

/* Play button styles now in components-audio.css */

/* Playback controls row (for user audio) */
.playback-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.playback-controls.hidden {
    display: none;
}

/* Playback controls in scenarios card */
.scenarios-card .playback-controls {
    gap: var(--spacing-sm);
}

.scenarios-card .progress-container {
    flex: 1;
    min-width: 0;
}

/* Gain control styles now in components-audio.css */


/* Source button group */
.source-button-group {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.source-button {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    background: var(--color-control-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.source-button:hover {
    border-color: var(--color-text-muted);
    background: var(--color-card-bg);
}

.source-button.active {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.source-button.active:hover {
    background: rgba(37, 99, 235, 0.2);
    border-color: var(--color-accent-hover);
}

/* Dark mode for source buttons */
[data-theme="dark"] .source-button.active {
    background: rgba(37, 99, 235, 0.35);
    border-color: #60a5fa;
    color: #93c5fd;
}

[data-theme="dark"] .source-button.active:hover {
    background: rgba(37, 99, 235, 0.45);
    border-color: #93c5fd;
}

/* User audio section (replaces bottom row of scenario grid when User Audio selected) */
.user-audio-section {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.user-audio-section.hidden {
    display: none;
}

/* Upload area, progress bar, and playback info styles now in components-audio.css */

/* Phase Scenarios grid - 2x2 layout */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    flex: 1;
}

@media (max-width: 640px) {
    .scenario-grid {
        grid-template-columns: 1fr;
    }
}

/* Scenario button */
.scenario-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--spacing-sm);
    background: var(--color-control-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    min-height: 70px;
}

.scenario-button:hover {
    border-color: var(--color-text-muted);
    background: var(--color-card-bg);
}

.scenario-button.active {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.scenario-button.active:hover {
    background: rgba(37, 99, 235, 0.2);
    border-color: var(--color-accent-hover);
}

.scenario-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.2;
}

.scenario-button.active .scenario-title {
    color: var(--color-accent);
}

.scenario-subtitle {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.scenario-button.active .scenario-subtitle {
    color: var(--color-accent);
    opacity: 0.8;
}

/* Dark mode for scenario buttons */
[data-theme="dark"] .scenario-button.active {
    background: rgba(37, 99, 235, 0.35);
    border-color: #60a5fa;
}

[data-theme="dark"] .scenario-button.active:hover {
    background: rgba(37, 99, 235, 0.45);
    border-color: #93c5fd;
}

[data-theme="dark"] .scenario-button.active .scenario-title {
    color: #93c5fd;
}

[data-theme="dark"] .scenario-button.active .scenario-subtitle {
    color: #93c5fd;
}

/* Correlation Meter */
.correlation-meter-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
}

#correlation-meter {
    display: block;
    width: 280px;
    height: 180px;
    background: var(--color-control-bg);
    border-radius: var(--radius-md);
}

@media (max-width: 1024px) {
    #correlation-meter {
        width: 240px;
        height: 160px;
    }
}

@media (max-width: 640px) {
    #correlation-meter {
        width: 100%;
        max-width: 300px;
        height: 180px;
    }
}

.correlation-readout {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.correlation-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.correlation-value {
    font-size: 1.25rem;
    font-weight: 600;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    color: var(--color-text);
    min-width: 60px;
}

/* Info tooltip styles now in components-audio.css */

/* Control group and label styles now in components-audio.css */

/* Background content for educational sections */
.background-content {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text);
}

.background-content p {
    margin-bottom: var(--spacing-sm);
}

.background-content p:last-child {
    margin-bottom: 0;
}

.background-content ul,
.background-content ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.background-content li {
    margin-bottom: var(--spacing-xs);
}

/* Definition styling */
.background-content dfn {
    font-style: normal;
    font-weight: 600;
    color: var(--color-accent);
}

/* Note styling */
.background-content .note {
    background: var(--color-control-bg);
    border-left: 3px solid var(--color-accent);
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.875rem;
}

/* Auto Demo Card */
.demo-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.demo-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.demo-note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-control-bg);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* Demo status display (inline) */
.demo-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--color-accent-light, rgba(37, 99, 235, 0.1));
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
}

/* Flash animation applied via JS when status changes */
.demo-status.flash {
    animation: flash-highlight 0.4s ease-out;
}

@keyframes flash-highlight {
    0% { background: rgba(37, 99, 235, 0.3); }
    100% { background: var(--color-accent-light, rgba(37, 99, 235, 0.1)); }
}

.demo-status.hidden {
    display: none;
}

.demo-status-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
}

/* Dark mode adjustments for demo status */
[data-theme="dark"] .demo-status {
    background: rgba(37, 99, 235, 0.15);
}

/* Action button styles now in components-audio.css */

/* Demo running state - local alias */
.action-button.demo-running {
    background: var(--color-error);
    border-color: var(--color-error);
    color: white;
}

.action-button.demo-running:hover {
    background: var(--color-error-hover);
    border-color: var(--color-error-hover);
}

.action-button .demo-icon {
    flex-shrink: 0;
}

/* .hidden utility defined in base.css */