/* Sleek Glassmorphic Debug Panel */
:root {
  --dbg-overlay: rgba(0, 0, 0, 0.6);
  --dbg-panel: rgba(18, 18, 20, 0.85); /* dark glass */
  --dbg-border: rgba(255, 255, 255, 0.1);
  --dbg-text: rgba(255, 255, 255, 0.95);
  --dbg-muted: rgba(255, 255, 255, 0.5);
  --dbg-accent: #e30611; /* MTS Red */
  --dbg-accent-hover: #ff1c28;
  --dbg-input-bg: rgba(255, 255, 255, 0.04);
}

.mts-debug-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  opacity: 0;
  pointer-events: none;
  align-items: center;
  justify-content: center;
  background: var(--dbg-overlay);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9999;
  transition: opacity 0.25s ease;
}

.mts-debug-overlay[data-open='true'] {
  opacity: 1;
  pointer-events: auto;
}

.mts-debug-panel {
  width: min(520px, calc(100vw - 32px));
  max-height: min(80vh, 700px);
  overflow-y: auto;
  color: var(--dbg-text);
  background: var(--dbg-panel);
  border: 1px solid var(--dbg-border);
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: 24px;
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  font: 14px/1.4 "Inter", system-ui, -apple-system, sans-serif;
  transform: translateY(16px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mts-debug-overlay[data-open='true'] .mts-debug-panel {
  transform: translateY(0) scale(1);
}

/* Custom Scrollbar for Panel */
.mts-debug-panel::-webkit-scrollbar {
  width: 6px;
}
.mts-debug-panel::-webkit-scrollbar-track {
  background: transparent;
}
.mts-debug-panel::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
}

.mts-debug-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.mts-debug-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--dbg-text);
}

.mts-debug-title::before {
  content: "●";
  color: var(--dbg-accent);
  margin-right: 8px;
  font-size: 14px;
  vertical-align: middle;
}

.mts-debug-sub {
  margin: 6px 0 0;
  color: var(--dbg-muted);
  font-size: 13px;
}

.mts-debug-close {
  appearance: none;
  background: var(--dbg-input-bg);
  border: 1px solid var(--dbg-border);
  color: var(--dbg-muted);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 15px;
}

.mts-debug-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--dbg-text);
  transform: rotate(90deg);
}

.mts-debug-section {
  background: var(--dbg-input-bg);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.mts-debug-section:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.mts-debug-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.mts-debug-row--two {
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 12px 20px;
}

.mts-debug-row--two > label {
  flex: 1 1 min(220px, 100%);
  min-width: 0;
}

.mts-debug-row label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  font-weight: 500;
  width: 100%;
}

.mts-debug-row input[type='checkbox'] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--dbg-muted);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.mts-debug-row input[type='checkbox']:checked {
  background: var(--dbg-accent);
  border-color: var(--dbg-accent);
}

.mts-debug-row input[type='checkbox']:checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 4px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Custom Select Dropdown */
select {
  appearance: none;
  background: rgba(0, 0, 0, 0.3) !important;
  color: var(--dbg-text) !important;
  border: 1px solid var(--dbg-border) !important;
  border-radius: 8px !important;
  padding: 10px 12px !important;
  font: inherit;
  width: 100%;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}

select:focus, select:hover {
  border-color: var(--dbg-accent) !important;
  background: rgba(0, 0, 0, 0.5) !important;
}

select option {
  background: #1e1e1e !important;
  color: #fff !important;
}

.mts-debug-actions {
  display: flex;
  justify-content: stretch;
  gap: 12px;
}

.mts-debug-btn {
  appearance: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--dbg-border);
  color: var(--dbg-text);
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  flex: 1;
  text-align: center;
}

.mts-debug-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

#mtsDbgLaunchQuiz {
  background: var(--dbg-accent);
  border-color: var(--dbg-accent);
  color: #fff;
  font-weight: 600;
}

#mtsDbgLaunchQuiz:hover {
  background: var(--dbg-accent-hover);
  box-shadow: 0 4px 12px rgba(227, 6, 17, 0.3);
}

.mts-debug-hint {
  color: var(--dbg-muted);
  font-size: 13px;
  margin: 10px 0 0 32px;
  line-height: 1.4;
}

.mts-debug-hint--no-indent {
  margin-left: 0;
}