/* Keyboard Tester — tools/utilities/keyboard-tester.php */
.kt-stagewrap { grid-column: 1 / -1; min-width: 0; }
.kt-stagewrap .ub-tool-panel__header { flex-wrap: wrap; }
.kt-badge { margin-left: auto; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 2px 9px; border-radius: 10px; border: 1px solid var(--border); color: var(--text-tertiary); }
.kt-badge.is-example { border-color: var(--accent-border); color: var(--accent); background: var(--accent-muted); }
.kt-badge.is-live { border-color: #2f9e5b; color: #2f9e5b; }
.kt-canvas { display: block; flex: 0 0 auto; padding: 14px; min-height: 0; cursor: pointer; outline: none; border-radius: 0; overflow-x: auto; }
.kt-canvas:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }
.kt-canvas svg { width: 100%; height: auto; max-height: none; min-width: 560px; display: block; user-select: none; -webkit-user-select: none; }
.kt-cap { fill: var(--bg-input); stroke: var(--border); stroke-width: 1.5; transition: fill .06s; }
.kt-lab { fill: var(--text-secondary); font-family: var(--font-body); font-weight: 600; pointer-events: none; }
.kt-n { fill: var(--accent); font-family: var(--font-mono); pointer-events: none; }
.kt-key.is-opt .kt-cap { stroke-dasharray: 4 3; opacity: .75; }
.kt-key.is-tested .kt-cap { fill: var(--accent-muted); stroke: var(--accent); }
.kt-key.is-tested .kt-lab { fill: var(--text-primary); }
.kt-key.is-down .kt-cap { fill: var(--accent); stroke: var(--accent); }
.kt-key.is-down .kt-lab, .kt-key.is-down .kt-n { fill: #0c0e11; }
.kt-key.is-chatter .kt-cap { stroke: #e5534b; stroke-width: 3; }
.kt-key.is-chatter .kt-n { fill: #e5534b; font-weight: 700; }
.kt-key.is-stuck .kt-cap { fill: #e5534b; stroke: #e5534b; }
.kt-key.is-stuck .kt-lab { fill: #fff; }
.kt-key.is-target .kt-cap { stroke: var(--accent); stroke-width: 2.5; stroke-dasharray: 6 3; }
.kt-key.is-sel .kt-cap { stroke: var(--text-primary); stroke-width: 3; }
.kt-verdict { margin: 0; padding: 10px 16px 12px; font-size: .88rem; color: var(--text-secondary); border-top: 1px solid var(--border-subtle); line-height: 1.5; }
.kt-bad { color: #e5534b; font-weight: 700; }
[data-theme="light"] .kt-bad, [data-theme="light"] .kt-key.is-chatter .kt-n { color: #c0362c; fill: #c0362c; }
.kt-muted { color: var(--text-tertiary); font-weight: 400; }

.kt-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.kt-row2 > .ub-input-group { min-width: 0; }
@media (max-width: 480px) { .kt-row2 { grid-template-columns: 1fr; } }
.kt-layouts { flex-wrap: wrap; }
.kt-layouts .ub-solve-btn { min-width: calc(33.33% - 6px); }
.kt-opt { display: flex; align-items: flex-start; gap: 8px; font-size: .84rem; color: var(--text-secondary); margin: 4px 0 12px; cursor: pointer; line-height: 1.4; }
.kt-opt input { width: 18px; height: 18px; margin-top: 1px; accent-color: var(--accent); flex: 0 0 auto; }
#btn-start.is-stop { background: #e5534b; border-color: #e5534b; color: #fff; }
.kt-msg { font-size: .82rem; color: var(--text-tertiary); min-height: 1.3em; margin: 10px 0 0; line-height: 1.45; }
.kt-msg.is-warn { color: var(--accent); font-weight: 600; }
.kt-presets { margin-top: 14px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-input); }
.kt-presets__title { font-size: .75rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; font-weight: 600; }
.kt-presets__row { display: flex; gap: 6px; flex-wrap: wrap; }
.kt-presets__row .ub-tool-btn { flex: 1 1 auto; font-size: .82rem; padding: 10px 12px; }
.kt-presets__row .ub-tool-btn.is-active { border-color: var(--accent); color: var(--accent); }
.kt-note { font-size: .78rem; color: var(--text-tertiary); margin: 12px 0 0; line-height: 1.5; }

.kt-live .ub-tool-panel__body { display: flex; flex-direction: column; gap: 12px; }
.kt-held { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; min-height: 44px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-input); }
.kt-held__n { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; color: var(--accent); line-height: 1; }
.kt-held__lab { font-size: .75rem; color: var(--text-tertiary); margin-right: 6px; }
.kt-chip { font-size: .76rem; padding: 3px 8px; border-radius: 10px; background: var(--accent); color: #0c0e11; font-weight: 700; }
.kt-chip.is-mod { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.kt-max { font-size: .8rem; color: var(--text-secondary); margin: -4px 0 0; overflow-wrap: anywhere; }
.kt-detail { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.kt-detail p { margin: 0; font-size: .84rem; }
.kt-detail__title { font-weight: 700; margin-bottom: 6px; }
.kt-dl { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 0; font-size: .8rem; }
.kt-dl dt { color: var(--text-tertiary); }
.kt-dl dd { margin: 0; color: var(--text-primary); font-family: var(--font-mono); overflow-wrap: anywhere; }
.kt-other p { margin: 0 0 6px; font-size: .8rem; color: var(--text-secondary); overflow-wrap: anywhere; }
.kt-logwrap { max-height: 260px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
.kt-table { width: 100%; border-collapse: collapse; font-size: .74rem; }
.kt-table th { text-align: left; padding: 4px 6px; color: var(--text-tertiary); font-size: .64rem; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg-card); white-space: nowrap; }
.kt-table td { padding: 3px 6px; border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); white-space: nowrap; font-family: var(--font-mono); }
.kt-table td:last-child { white-space: normal; font-family: var(--font-body); min-width: 140px; }
.kt-table tr.is-bad td { color: #e5534b; }
.kt-table tr.is-warn td { color: var(--accent); }
.kt-table tr.is-rep td { color: var(--text-tertiary); }
.kt-sub { font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-tertiary); font-weight: 700; margin: 0 0 4px; }
.kt-bar { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.kt-mini { font-size: .76rem; padding: 6px 10px; border-radius: 6px; border: 1px solid var(--border); background: transparent; color: var(--text-primary); cursor: pointer; min-height: 32px; }
.kt-mini:hover { border-color: var(--accent); color: var(--accent); }
.kt-sw-note { font-size: .84rem; color: var(--text-tertiary); margin: 0 0 10px; }