/**
 * public/css/tools/keyboard-tester.css
 * Keyboard Tester Tool Styles — Game Boy Retro Industrial Style v2
 */

/* ─── Control Bar ─── */
.kb-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.kb-layout-btns { display: flex; gap: 8px; }
.kb-layout-btn {
  min-width: 128px;
}

/* ─── Stats Cards ─── */
.kb-stats {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.kb-stat {
  flex: 1;
  text-align: center;
  padding: 14px 10px;
  position: relative;
  overflow: hidden;
}
/* Card top colored stripe */
.kb-stat::before {
  content: "";
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 3px;
  background: var(--screen-green, #94b54f);
  border-radius: 0 0 2px 2px;
  opacity: 0.6;
}
.kb-stat-value {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--screen-green, #94b54f);
  text-shadow: 0 0 8px rgba(148, 181, 79, 0.2);
  letter-spacing: 0.02em;
}
.kb-stat-label {
  display: block;
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--fog-400, #959292);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.kb-stat-pb {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--fog-400, #959292);
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px dashed var(--fog-200, #ccc8c3);
}
.kb-stat-pb span {
  color: var(--screen-dark, #708d3d);
  font-weight: 600;
}

/* ─── Result Badge ─── */
.kb-result-badge {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
}

/* ─── History Area ─── */
.kb-history {
  margin-bottom: 16px;
  padding: 12px;
  background: #fafaf6;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--fog-200, #e0ddd5);
}
.kb-history-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 80px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--screen-dark, #708d3d) var(--fog-100, #f0ede8);
}
.kb-history-scroll::-webkit-scrollbar { width: 4px; }
.kb-history-scroll::-webkit-scrollbar-track { background: var(--fog-100, #f0ede8); }
.kb-history-scroll::-webkit-scrollbar-thumb {
  background: var(--screen-dark, #708d3d);
  border-radius: 2px;
}
.kb-record {
  display: inline-block;
  padding: 3px 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  background: #fff;
  color: var(--dpad-500, #2b2f36);
  border-radius: 3px;
  border: 1px solid var(--fog-200, #e0ddd5);
  flex-shrink: 0;
  transition: all 0.1s ease;
}
.kb-record-active {
  background: var(--screen-green, #94b54f);
  color: #fff;
  border-color: var(--screen-dark, #708d3d);
  box-shadow: 0 0 6px rgba(148, 181, 79, 0.4);
}
.kb-record-placeholder {
  color: #aaa;
  font-size: 13px;
  padding: 8px;
  font-family: 'Rajdhani', sans-serif;
}

/* ─── Keyboard Visualizer ─── */
.kb-keyboard-container { margin-bottom: 16px; }
.kb-keyboard-screen {
  position: relative;
  background: #e8e5df;
  border: 3px solid var(--fog-400, #959292);
  border-radius: 10px;
  padding: 12px 8px 8px;
  overflow: hidden;
  box-shadow:
    inset 0 2px 8px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.08);
}
/* Scanline effect */
.kb-scanlines {
  pointer-events: none;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  z-index: 1;
  border-radius: 7px;
}
.kb-keyboard-scroll {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: 4px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--fog-400, #959292) transparent;
}
.kb-keyboard-scroll::-webkit-scrollbar { height: 6px; }
.kb-keyboard-scroll::-webkit-scrollbar-track { background: transparent; }
.kb-keyboard-scroll::-webkit-scrollbar-thumb {
  background: var(--fog-400, #959292);
  border-radius: 3px;
}
.kb-keyboard-canvas {
  position: relative;
  min-height: 100px;
  border-radius: 6px;
}

.kb-key-wide { font-size: 11px; }
/* Tall key (Numpad+/NumpadEnter etc.) */
.kb-key-tall { font-size: 11px; }
/* ─── Loading Skeleton ─── */
.kb-keyboard-canvas.kb-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 32px 20px;
}
.kb-skeleton {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.kb-skeleton-bar {
  height: 18px;
  border-radius: 4px;
  background: linear-gradient(90deg, #ddd8d0 25%, #ece8e2 50%, #ddd8d0 75%);
  background-size: 200% 100%;
  animation: kb-shimmer 1.4s ease-in-out infinite;
}
.kb-skeleton-bar-long  { width: 100%; }
.kb-skeleton-bar-med   { width: 72%; }
.kb-skeleton-bar-short { width: 48%; }

@keyframes kb-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ─── Error State ─── */
.kb-keyboard-canvas.kb-error {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
}
.kb-error-box {
  text-align: center;
  padding: 24px;
}
.kb-error-icon {
  font-size: 32px;
  margin: 0 0 8px;
}
.kb-error-text {
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--fog-400, #959292);
  margin: 0 0 14px;
}
.kb-retry-btn {
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 24px;
}

/* ─── Dark Theme ─── */
[data-theme="dark"] .kb-keyboard-screen {
  background: #111511;
  border-color: #3a3e3a;
  box-shadow:
    inset 0 2px 12px rgba(0, 0, 0, 0.5),
    0 4px 16px rgba(0, 0, 0, 0.25);
}
[data-theme="dark"] .kb-history {
  background: #111511;
  border-color: #2a2e2a;
}
[data-theme="dark"] .kb-history-scroll {
  scrollbar-color: var(--screen-dark, #708d3d) #1a1e1a;
}
[data-theme="dark"] .kb-history-scroll::-webkit-scrollbar-track { background: #1a1e1a; }
[data-theme="dark"] .kb-record {
  background: #1e241e;
  color: #8a9a6a;
  border-color: #2a2e2a;
}
[data-theme="dark"] .kb-record-placeholder {
  color: #3a3e3a;
}
[data-theme="dark"] .kb-skeleton-bar {
  background: linear-gradient(90deg, #1e241e 25%, #2a302a 50%, #1e241e 75%);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .kb-stats {
    flex-direction: column;
    gap: 8px;
  }
  .kb-stat {
    padding: 12px 8px;
  }
  .kb-stat-value {
    font-size: 26px;
  }
  .kb-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .kb-layout-btns {
    flex-wrap: wrap;
    justify-content: center;
  }
  .kb-layout-btn {
    font-size: 12px;
    padding: 4px 12px;
  }
  .project-keyboard-keycap {
    font-size: 10px;
  }
  .kb-keyboard-screen {
    padding: 8px 4px 4px;
  }
}

@media (max-width: 480px) {
  .kb-stat-value { font-size: 22px; }
  .project-keyboard-keycap { font-size: 8px; border-bottom-width: 2px; border-radius: 3px; }
  .kb-history-scroll { max-height: 60px; }
}