/* ============================================================
   VERTEX CBT — Voice Notes + Speech UI  v5
   ============================================================ */

/* Voice note recorder button */
.vn-recorder-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 140ms cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  position: relative;
}
.vn-recorder-btn:hover {
  background: var(--accent-subtle);
  border-color: var(--accent-border);
  color: var(--accent);
}
.vn-recorder-btn:active { transform: scale(0.92); }

.vn-recording-panel {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(140%);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border-outer);
  border-radius: var(--r-xl);
  padding: 1.25rem 2rem;
  box-shadow: var(--glass-shadow-xl);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 280px;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.vn-recording-panel.is-visible {
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.vn-recording-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid var(--glass-border);
  pointer-events: none;
}
.vn-waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 32px;
}
.vn-waveform span {
  display: block;
  width: 4px;
  background: var(--danger);
  border-radius: 2px;
  animation: vn-wave 0.55s ease-in-out infinite alternate;
}
.vn-waveform span:nth-child(1) { height: 8px;  animation-delay: 0.00s; }
.vn-waveform span:nth-child(2) { height: 16px; animation-delay: 0.10s; }
.vn-waveform span:nth-child(3) { height: 24px; animation-delay: 0.20s; }
.vn-waveform span:nth-child(4) { height: 16px; animation-delay: 0.30s; }
.vn-waveform span:nth-child(5) { height: 8px;  animation-delay: 0.40s; }
@keyframes vn-wave {
  from { transform: scaleY(0.35); opacity: 0.4; }
  to   { transform: scaleY(1);    opacity: 1;   }
}
.vn-recording-timer {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-1);
  line-height: 1;
}
.vn-recording-label {
  font-size: var(--text-xs);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.vn-recording-cancel {
  font-size: var(--text-xs);
  color: var(--text-4);
  background: none;
  border: none;
  cursor: pointer;
  margin-top: 4px;
  font-family: var(--font);
  padding: 4px 8px;
  border-radius: var(--r-sm);
  transition: all 120ms;
}
.vn-recording-cancel:hover {
  color: var(--danger);
  background: var(--danger-subtle);
}

.vn-audio-player {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--r-lg);
  padding: 0.375rem 0.625rem;
  min-width: 190px;
  max-width: 100%;
  box-sizing: border-box;
}
.dm-msg-out .vn-audio-player,
.gc-msg-out .vn-audio-player { background: rgba(255,255,255,0.14); }
.dm-msg-out .vn-play-btn,
.gc-msg-out .vn-play-btn { background: rgba(255,255,255,0.9); color: var(--accent); }
.dm-msg-out .vn-progress-bar,
.gc-msg-out .vn-progress-bar { background: rgba(255,255,255,0.22); }
.dm-msg-out .vn-progress-fill,
.gc-msg-out .vn-progress-fill { background: rgba(255,255,255,0.9); }
.dm-msg-out .vn-duration,
.gc-msg-out .vn-duration { color: rgba(255,255,255,0.85); }
.dm-msg-in .vn-audio-player,
.gc-msg-in .vn-audio-player { background: var(--accent-subtle); }
.dm-msg-in .vn-play-btn,
.gc-msg-in .vn-play-btn { background: var(--accent); color: #fff; }
.dm-msg-in .vn-progress-bar,
.gc-msg-in .vn-progress-bar { background: var(--accent-border); }
.dm-msg-in .vn-progress-fill,
.gc-msg-in .vn-progress-fill { background: var(--accent); }
.dm-msg-in .vn-duration,
.gc-msg-in .vn-duration { color: var(--text-3); }

.vn-play-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 120ms;
}
.vn-play-btn:hover { transform: scale(1.1); }

.vn-progress-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}
.vn-waveform-bars {
  display: flex;
  align-items: center;
  gap: 2px;
  width: 100%;
  height: 24px;
  cursor: pointer;
}
.vn-wave-bar {
  flex: 1;
  border-radius: 2px;
  min-width: 2px;
  transition: background 0.1s;
  background: rgba(120, 120, 120, 0.35);
}
.vn-wave-bar--played { background: rgba(120, 120, 120, 0.85); }
.dm-msg-out .vn-wave-bar,
.gc-msg-out .vn-wave-bar { background: rgba(255, 255, 255, 0.35); }
.dm-msg-out .vn-wave-bar--played,
.gc-msg-out .vn-wave-bar--played { background: rgba(255, 255, 255, 0.95); }
.dm-msg-in .vn-wave-bar,
.gc-msg-in .vn-wave-bar { background: var(--accent-border); }
.dm-msg-in .vn-wave-bar--played,
.gc-msg-in .vn-wave-bar--played { background: var(--accent); }

.vn-duration {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  flex-shrink: 0;
  line-height: 1;
}

/* ============================================================
   EXAM CONTROLS
   ============================================================ */
#seExamControls {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.se-tts-btn, .se-stt-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--glass-border-outer);
  background: var(--glass-bg-subtle);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 120ms;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0;
}
.se-tts-btn:hover, .se-stt-btn:hover {
  background: var(--accent-subtle);
  border-color: var(--accent-border);
  color: var(--accent);
}
.se-stt-btn.is-listening {
  background: var(--danger-subtle);
  border-color: var(--danger);
  color: var(--danger);
  animation: se-pulse 1.4s ease-in-out infinite;
}
.se-tts-btn.is-speaking {
  background: var(--warning-subtle);
  border-color: var(--warning-border);
  color: var(--warning);
  animation: se-pulse-warm 1.4s ease-in-out infinite;
}

.se-stt-btn::after {
  content: '';
  position: absolute;
  top: -3px;
  right: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  border: 2px solid var(--bg-base);
  opacity: 0;
  transform: scale(0);
  transition: opacity 180ms, transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.se-stt-btn { position: relative; }
.se-stt-btn.is-listening::after { opacity: 1; transform: scale(1); }

/* ============================================================
   EXAM HEADER
   ============================================================ */
.vtx-exam-hdr { padding: 0.875rem 1.125rem !important; }
.vtx-exam-hdr-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.vtx-exam-hdr-subj { flex: 1 1 0; min-width: 0; }
.vtx-exam-hdr-name {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-1);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.vtx-exam-hdr-meta { font-size: 0.75rem; color: var(--text-3); margin: 2px 0 0; white-space: nowrap; }
.vtx-exam-hdr-timer { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.vtx-arc-ring { width: 36px; height: 36px; transform: rotate(-90deg); flex-shrink: 0; }
.vtx-arc-track { fill: none; stroke: var(--border); stroke-width: 3; }
.vtx-arc-prog {
  fill: none;
  stroke: var(--success);
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke var(--t-slow) var(--ease);
}
.vtx-arc-prog.is-yellow { stroke: var(--warning); }
.vtx-arc-prog.is-red    { stroke: var(--danger); }
.vtx-arc-digits { display: flex; flex-direction: column; align-items: flex-start; line-height: 1; }
.vtx-arc-time {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  display: block;
}
.vtx-arc-label {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-4);
  margin-top: 3px;
  display: block;
}
.vtx-exam-hdr-bottom {
  margin-top: 0.75rem;
  padding-top: 0.625rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
}

/* Speech pill */
.vtx-speech-pill {
  display: inline-flex;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 4px 6px;
  gap: 2px;
}
.vtx-speech-btn {
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  padding: 5px 10px !important;
  border-radius: var(--r-full) !important;
  border: none !important;
  background: transparent !important;
  color: var(--text-3) !important;
  font-size: var(--text-xs) !important;
  font-weight: 500 !important;
  cursor: pointer;
  transition: background 120ms, color 120ms !important;
  white-space: nowrap;
  height: auto !important;
  width: auto !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  position: relative;
}
.vtx-speech-btn:hover {
  background: var(--accent-subtle) !important;
  color: var(--accent) !important;
}
.vtx-speech-label { font-size: 0.6875rem; font-weight: 600; }
.vtx-speech-div {
  display: block;
  width: 1px;
  height: 18px;
  background: var(--border);
  border-radius: 1px;
  flex-shrink: 0;
  margin: 0 2px;
}

.vtx-speech-pill[data-mic-on="true"] .se-stt-btn .vtx-speech-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--danger);
  margin-right: 4px;
  vertical-align: middle;
  animation: se-dot-blink 1s ease-in-out infinite;
}
@keyframes se-dot-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

.se-stt-btn.is-listening.vtx-speech-btn {
  background: var(--danger-subtle) !important;
  color: var(--danger) !important;
}
.se-tts-btn.is-speaking.vtx-speech-btn {
  background: var(--warning-subtle) !important;
  color: var(--warning) !important;
}

/* Study Room */
.se-tts-btn.sr-se-speaking.vtx-speech-btn {
  background: var(--warning-subtle) !important;
  color: var(--warning) !important;
}
.vtx-speech-pill[data-tts-on="true"] .se-tts-btn .vtx-speech-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--warning);
  margin-right: 4px;
  vertical-align: middle;
  animation: se-dot-blink 1s ease-in-out infinite;
}
.sr-topbar__actions .vtx-speech-pill { flex-shrink: 0; }

@media (max-width: 520px) {
  .sr-speech-pill .vtx-speech-label { display: none; }
  .sr-speech-pill .vtx-speech-btn { padding: 5px 7px !important; }
}
@media (max-width: 480px) {
  .vtx-exam-hdr { padding: 0.75rem 0.875rem !important; }
  .vtx-exam-hdr-name { font-size: 0.9375rem; }
  .vtx-arc-time { font-size: 1rem; }
}

@keyframes se-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(224, 59, 59, 0.4); }
  50%       { box-shadow: 0 0 0 8px rgba(224, 59, 59, 0); }
}
@keyframes se-pulse-warm {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217, 119, 6, 0.35); }
  50%       { box-shadow: 0 0 0 8px rgba(217, 119, 6, 0); }
}

@media (max-width: 640px) {
  .vn-recording-panel {
    width: calc(100% - 2rem);
    min-width: unset;
    padding: 1rem 1.25rem;
  }
}

/* ============================================================
   RESULTS PAGE — Voice bar
   ============================================================ */
.se-results-voice-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.625rem 0.875rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 1.25rem;
}
.se-results-voice-hint {
  font-size: 0.75rem;
  color: var(--text-4);
  line-height: 1.4;
  flex: 1;
  min-width: 0;
}

/* Explain trigger button on each question card */
.se-explain-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--accent-border);
  background: var(--accent-subtle);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 120ms;
  font-family: var(--font);
}
.se-explain-trigger-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ============================================================
   EXPLANATION MODAL
   ============================================================ */
.se-explain-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 99998;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}
.se-explain-modal-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.se-explain-modal-box {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  width: 100%;
  max-width: 680px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 -8px 40px rgba(0,0,0,0.18);
}
.se-explain-modal-overlay.is-visible .se-explain-modal-box {
  transform: translateY(0);
}

@media (min-width: 600px) {
  .se-explain-modal-overlay {
    align-items: center;
    padding: 1rem;
  }
  .se-explain-modal-box {
    border-radius: var(--r-xl);
    max-height: 82vh;
    transform: translateY(20px) scale(0.97);
  }
  .se-explain-modal-overlay.is-visible .se-explain-modal-box {
    transform: translateY(0) scale(1);
  }
}

.se-explain-modal-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.se-explain-modal-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.se-explain-q-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--r-full);
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}
.se-explain-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--r-full);
}
.se-explain-status.is-correct {
  background: var(--success-subtle);
  color: var(--success);
  border: 1px solid var(--success-border);
}
.se-explain-status.is-wrong {
  background: var(--danger-subtle);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}
.se-explain-close-btn {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 1.125rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  line-height: 1;
  transition: all 120ms;
  font-family: var(--font);
}
.se-explain-close-btn:hover { background: var(--bg-subtle); color: var(--text-1); }

/* Body — scrollable */
.se-explain-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 1.125rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.se-explain-question {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.6;
  margin: 0;
}
.se-explain-answers {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.se-explain-ans-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-sm);
}
.se-explain-ans-row.is-correct { background: var(--success-subtle); color: var(--success); }
.se-explain-ans-row.is-wrong   { background: var(--danger-subtle);  color: var(--danger);  }
.se-explain-ans-lbl { font-weight: 700; flex-shrink: 0; }

.se-explain-section-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-4);
  margin-bottom: 0.375rem;
}
.se-explain-exp-text {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.75rem 0.875rem;
}

/* ── Student question input ── */
.se-explain-ask-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.75rem 0.875rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.se-explain-ask-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.se-explain-ask-label i { color: var(--accent); font-size: 1rem; }
.se-explain-ask-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.se-explain-ask-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-base);
  color: var(--text-1);
  font-size: 0.875rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 120ms;
}
.se-explain-ask-input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 2px var(--accent-subtle);
}
.se-explain-ask-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--r-md);
  border: 1px solid var(--accent-border);
  background: var(--accent-subtle);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 120ms;
  font-size: 1rem;
}
.se-explain-ask-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Deeper explanation button (second option) ── */
.se-explain-deeper-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}
.se-explain-deeper-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-2);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 140ms;
  font-family: var(--font);
}
.se-explain-deeper-btn:hover {
  background: var(--accent-subtle);
  color: var(--accent);
  border-color: var(--accent-border);
}
.se-explain-deeper-hint {
  font-size: 0.6875rem;
  color: var(--text-4);
  margin: 0;
}

/* ── Deep result panel — FULLY scrollable via modal body ── */
.se-explain-deep-result {
  border-radius: var(--r-lg);
  /* overflow visible so the modal body scroll handles all content — no internal cap */
  overflow: visible;
  border: 1px solid var(--border);
}
.se-explain-deep-content {
  padding: 0.875rem 1rem;
  background: var(--bg-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  border-radius: var(--r-lg);
}
.se-explain-deep-content.se-explain-deep-local {
  background: linear-gradient(135deg, var(--accent-subtle), var(--bg-subtle));
  border-left: 3px solid var(--accent);
}
.se-explain-deep-src {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.se-explain-wiki-badge {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: var(--r-full);
  background: #3366cc;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.se-explain-wiki-badge--local {
  background: var(--accent);
}

/* Wikipedia text — fully visible, no height cap, no internal scroll */
.se-explain-deep-text {
  font-size: 0.875rem;
  color: var(--text-1);
  line-height: 1.75;
  margin: 0;
  white-space: pre-line;
  word-break: break-word;
  /* No max-height or overflow — modal body scroll handles it */
}

.se-explain-wiki-link {
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.se-explain-wiki-link:hover { text-decoration: underline; }

/* Loading spinner */
.se-explain-loading {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--text-3);
}
.se-explain-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: se-spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes se-spin {
  to { transform: rotate(360deg); }
}

.se-explain-modal-ftr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
  gap: 0.75rem;
  flex-shrink: 0;
}
.se-explain-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-2);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 120ms;
  font-family: var(--font);
}
.se-explain-read-btn:hover {
  background: var(--accent-subtle);
  color: var(--accent);
  border-color: var(--accent-border);
}
.se-explain-close-btn2 {
  padding: 0.5rem 1.25rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-3);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 120ms;
  font-family: var(--font);
}
.se-explain-close-btn2:hover {
  background: var(--danger-subtle);
  color: var(--danger);
  border-color: var(--danger-border);
}