/**
 * Peripheral Test — app styles.
 * Design tokens only (main.css custom properties); no hardcoded colors.
 * Both themes work via tokens; the press pulse and heatmap use
 * token-derived colors so they read in light and dark.
 */

.pt-container {
    margin: 0 auto;
}

.pt:focus {
    outline: none;
}

/* ---------------- Intro, privacy, disclaimer ---------------- */

.pt-intro {
    margin-top: var(--space-3);
}

.pt-privacy {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-top: calc(var(--space-2) * -1);
}

.pt-disclaimer {
    border: 1px solid var(--color-warning-text);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
}

/* ---------------- Sections and sub-panels ---------------- */

.pt-section {
    margin-bottom: var(--space-4);
}

.pt-panel {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.pt-panel > h3 {
    margin-top: 0;
}

.pt-hint {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-3);
}

/* ---------------- Press / scroll targets ---------------- */

.pt-target-row {
    margin-bottom: var(--space-3);
}

.pt-target {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 160px;
    min-width: 120px;
    padding: var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-alt);
    color: var(--color-text);
    cursor: pointer;
    user-select: none;
    touch-action: manipulation;
    transition: border-color var(--transition-fast),
        background var(--transition-fast),
        transform var(--transition-fast);
}

.pt-target:hover {
    border-color: var(--color-primary);
}

.pt-target:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.pt-target:active {
    transform: scale(0.98);
}

/* Press pulse: pure CSS state, no timers. */
.pt-target.pt-pressed {
    border-color: var(--color-primary);
    background: var(--color-bg-card);
    box-shadow: var(--focus-ring);
    transform: scale(0.99);
}

.pt-target-small {
    min-height: 44px;
}

.pt-target-caption {
    font-size: var(--font-size-sm);
    text-align: center;
    color: var(--color-text-light);
    pointer-events: none;
}

/* ---------------- Controls and results ---------------- */

.pt-controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.pt-result {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    padding: var(--space-2) var(--space-3);
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
}

.pt-honesty {
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
    margin-top: var(--space-2);
}

.pt-note {
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
    margin-top: var(--space-2);
}

/* ---------------- NKRO key grid + heatmap ---------------- */

.pt-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.pt-grid-row {
    display: grid;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: var(--space-1);
}

.pt-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: var(--space-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-align: center;
    user-select: none;
    transition: border-color var(--transition-fast),
        background var(--transition-fast);
}

.pt-cell-wide {
    grid-column: span 2;
}

/* Press heatmap: token-derived accent, saturates at data-heat="5". */
.pt-cell[data-heat="1"] {
    background: color-mix(in srgb, var(--color-primary) 12%, var(--color-bg-alt));
}

.pt-cell[data-heat="2"] {
    background: color-mix(in srgb, var(--color-primary) 24%, var(--color-bg-alt));
}

.pt-cell[data-heat="3"] {
    background: color-mix(in srgb, var(--color-primary) 36%, var(--color-bg-alt));
}

.pt-cell[data-heat="4"] {
    background: color-mix(in srgb, var(--color-primary) 48%, var(--color-bg-alt));
}

.pt-cell[data-heat="5"] {
    background: color-mix(in srgb, var(--color-primary) 60%, var(--color-bg-alt));
}

/* Currently held key. */
.pt-cell.pt-held {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-weight: 600;
}

/* ---------------- Help panel additions ---------------- */

.pt-help .help-section + .help-section {
    margin-top: var(--space-4);
}

.pt-help .help-tips {
    margin-top: var(--space-2);
    padding-left: var(--space-4);
    list-style: disc;
}

/* ---------------- Related tools ---------------- */

.pt-related {
    margin-top: var(--space-6);
}

.pt-related-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-3);
    padding: 0;
    list-style: none;
}

.pt-related-list a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    color: var(--color-primary-text);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast),
        background var(--transition-fast),
        transform var(--transition-fast);
}

.pt-related-list a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-text-hover);
}

.pt-related-list a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.pt-related-list a:active {
    transform: scale(0.98);
}

/* ---------------- Responsive ---------------- */

@media (max-width: 768px) {
    .pt-panel {
        padding: var(--space-3);
    }

    .pt-target {
        min-height: 120px;
    }

    .pt-grid-row {
        gap: calc(var(--space-1) / 2);
    }

    .pt-cell {
        min-height: 36px;
    }
}

/* ---------------- Reduced motion ---------------- */

@media (prefers-reduced-motion: reduce) {
    .pt-target,
    .pt-cell,
    .pt-related-list a {
        transition: none;
    }

    .pt-target:active,
    .pt-target.pt-pressed,
    .pt-related-list a:active {
        transform: none;
    }
}