/* THE CHAIR — Keyboard Shortcuts Styles
   Toast notifications + Help overlay
   v1.0.0 */

/* ─── TOAST NOTIFICATIONS ─────────────────────────────────────────────── */
.keyboard-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0, 0, 0, 0.9);
  border: 1px solid var(--cyan, #00d4ff);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  white-space: nowrap;
}

.keyboard-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── HELP OVERLAY ────────────────────────────────────────────────────── */
.keyboard-help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.keyboard-help-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.keyboard-help-panel {
  background: linear-gradient(135deg, rgba(20, 25, 35, 0.95), rgba(10, 15, 25, 0.98));
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 16px;
  padding: 28px 36px;
  max-width: 720px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 60px rgba(0, 212, 255, 0.1);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.keyboard-help-overlay.visible .keyboard-help-panel {
  transform: scale(1);
}

/* Header */
.kh-header {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.kh-title {
  font-size: 1.5rem;
  color: var(--cyan, #00d4ff);
  margin-bottom: 6px;
  letter-spacing: 2px;
}

.kh-subtitle {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Sections grid */
.kh-sections {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 600px) {
  .kh-sections {
    grid-template-columns: 1fr;
  }
}

.kh-section {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.kh-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--gold, #ffd700);
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.kh-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
}

.kh-row:last-child {
  margin-bottom: 0;
}

.kh-row span {
  color: rgba(255, 255, 255, 0.6);
  flex: 1;
}

/* Keyboard keys */
.kh-row kbd,
.keyboard-hint kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 26px;
  padding: 0 8px;
  background: linear-gradient(180deg, #3a3a3a 0%, #222 100%);
  border: 1px solid #555;
  border-bottom-width: 3px;
  border-radius: 5px;
  color: #fff;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.7rem;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.5);
}

/* Footer */
.kh-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.kh-tip {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.kh-tip kbd {
  font-size: 0.65rem;
  min-width: 22px;
  height: 20px;
  padding: 0 5px;
  vertical-align: middle;
  margin: 0 2px;
}

/* ─── KEYBOARD HINT IN CONTROLS ───────────────────────────────────────── */
.keyboard-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.6;
  font-size: 0.7rem;
  margin-left: 8px;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.keyboard-hint:hover {
  opacity: 1;
}

.keyboard-hint kbd {
  min-width: 20px;
  height: 18px;
  font-size: 0.6rem;
  padding: 0 4px;
}

/* ─── SCROLLBAR FOR HELP PANEL ────────────────────────────────────────── */
.keyboard-help-panel::-webkit-scrollbar {
  width: 6px;
}

.keyboard-help-panel::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

.keyboard-help-panel::-webkit-scrollbar-thumb {
  background: var(--cyan, #00d4ff);
  border-radius: 3px;
}

.keyboard-help-panel::-webkit-scrollbar-thumb:hover {
  background: #00a8cc;
}