/* ── IELTS Listening Simulator CSS Stylesheet ── */

:root {
  --ielts-red: #c8102e;
  --ielts-blue: #0066cc;
  --ielts-bg: #f9f9f9;
  --ielts-surface: #ffffff;
  --ielts-border: #e0e0e0;
  --ielts-text: #333333;
  --ielts-muted: #666666;
  --ielts-header-height: 52px;
  --ielts-footer-height: 54px;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--ielts-bg);
  color: var(--ielts-text);
  margin: 0;
  padding: 0;
  user-select: none;
}

/* ── 1. Brand Header ── */
.ielts-listen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--ielts-header-height);
  background: #ffffff;
  border-bottom: 1.5px solid #d3d3d3;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-left-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ielts-logo {
  font-size: 24px;
  font-weight: 900;
  color: var(--ielts-red);
  letter-spacing: -0.5px;
  display: inline-block;
  line-height: 1;
}

.header-divider {
  width: 1px;
  height: 24px;
  background: #d3d3d3;
}

.test-taker-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.test-taker-id {
  font-weight: 700;
  font-size: 13px;
  color: #333333;
}

.audio-status-label {
  font-size: 11px;
  color: #555555;
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.audio-status-label.is-playing {
  color: var(--ielts-blue);
}

.header-right-icons {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-icon {
  background: none;
  border: none;
  color: #555555;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.header-icon:hover {
  color: #000000;
}

/* ── 2. Part Banner ── */
.part-banner-box {
  background: #f0f0f0;
  border: 1px solid #d3d3d3;
  border-radius: 4px;
  padding: 14px 20px;
  margin: 20px 24px;
  line-height: 1.4;
}

.part-banner-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 4px;
  color: #000000;
}

.part-banner-desc {
  font-size: 14px;
  color: #444444;
}

/* ── 3. Content Panel Layout ── */
.listening-main-scroll {
  height: calc(100vh - var(--ielts-header-height) - var(--ielts-footer-height) - 100px);
  overflow-y: auto;
  padding: 0 24px 80px;
  background: #ffffff;
  max-width: 1050px;
  margin: 0 auto;
  border-radius: 4px;
  border: 1px solid #e0e0e0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

/* Question sections */
.group-title {
  font-size: 16px;
  font-weight: 700;
  color: #000000;
  margin-top: 24px;
  margin-bottom: 8px;
}

.group-instructions {
  font-size: 13.5px;
  color: #333333;
  margin-bottom: 20px;
  line-height: 1.5;
}

.help-float-right {
  float: right;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #004b91;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  margin-top: -24px;
}

.help-float-right:hover {
  text-decoration: underline;
}

/* Draggable/Selectable Gaps Matching Layout */
.matching-matching-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  margin-top: 20px;
  margin-bottom: 24px;
}

.column-header {
  font-weight: 700;
  font-size: 14px;
  color: #000000;
  margin-bottom: 12px;
}

.matching-items-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.matching-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: #333333;
}

.matching-dropzone {
  width: 110px;
  height: 32px;
  border: 1.5px dashed #a0a0a0;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fbfbfb;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 700;
}

.matching-dropzone.active-drag-over {
  border-color: var(--ielts-blue);
  background: #eef5fc;
}

.matching-dropzone.filled {
  border-style: solid;
  border-color: #d3d3d3;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.matching-dropzone.active-target {
  border-color: var(--ielts-blue);
  box-shadow: 0 0 0 2.5px rgba(0, 102, 204, 0.2);
}

.matching-options-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.draggable-option-pill {
  padding: 6px 12px;
  background: #ffffff;
  border: 1px solid #c0c0c0;
  border-radius: 4px;
  font-size: 13.5px;
  cursor: grab;
  text-align: center;
  display: inline-block;
  user-select: none;
  font-weight: 600;
  color: #333333;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
  transition: all 0.15s;
}

.draggable-option-pill:hover {
  background: #f7f7f7;
  border-color: #a0a0a0;
}

.draggable-option-pill:active {
  cursor: grabbing;
}

.draggable-option-pill.selected-for-drop {
  border-color: var(--ielts-blue);
  background: #eef5fc;
  color: var(--ielts-blue);
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.15);
}

/* ── 4. Large Navigation Arrows ── */
.nav-arrows-container {
  position: absolute;
  bottom: 74px;
  right: 24px;
  display: flex;
  gap: 8px;
  z-index: 99;
}

.ielts-nav-arrow-btn {
  width: 44px;
  height: 34px;
  background: #333333;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.ielts-nav-arrow-btn:hover {
  background: #111111;
}

.ielts-nav-arrow-btn:disabled {
  background: #cccccc;
  cursor: not-allowed;
}

/* ── 5. Bottom Navigation Bar ── */
.ielts-footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--ielts-footer-height);
  background: #f0f0f0;
  border-top: 1.5px solid #d3d3d3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
}

.footer-left-parts {
  display: flex;
  align-items: center;
  gap: 24px;
}

.part-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #555555;
  cursor: pointer;
}

.part-indicator.active {
  color: #000000;
  font-weight: 700;
}

.part-indicator-num-list {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
}

.part-q-number {
  font-size: 13.5px;
  color: #444444;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 3px;
  transition: all 0.15s;
}

.part-q-number:hover {
  background: #e0e0e0;
}

.part-q-number.answered {
  font-weight: 700;
  color: #000000;
  text-decoration: underline;
}

.part-q-number.active {
  background: #ffffff;
  border: 1px solid var(--ielts-blue);
  color: var(--ielts-blue);
  font-weight: 700;
}

.footer-submit-btn {
  background: #e0e0e0;
  color: #444444;
  border: 1px solid #c0c0c0;
  border-radius: 4px;
  width: 38px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: all 0.2s;
}

.footer-submit-btn:hover {
  background: var(--ielts-blue);
  color: #ffffff;
  border-color: var(--ielts-blue);
}

/* ── 6. Audio Playback Floating Zone ── */
.listening-audio-card {
  background: #fbfbfb;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.listening-audio-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.listening-audio-title {
  font-weight: 700;
  font-size: 13.5px;
  color: #000000;
}

.listening-audio-status {
  font-size: 12.5px;
  color: #666666;
}

.listening-play-btn {
  background: var(--ielts-blue);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
}

.listening-play-btn:hover {
  background: #004b91;
}

/* Waveform animation */
.listening-waveform {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 18px;
}

.listening-waveform span {
  width: 3px;
  height: 6px;
  background: var(--ielts-blue);
  border-radius: 1px;
  animation: wave 1.2s ease-in-out infinite;
}

.listening-waveform span:nth-child(2) {
  animation-delay: 0.15s;
}

.listening-waveform span:nth-child(3) {
  animation-delay: 0.3s;
}

.listening-waveform span:nth-child(4) {
  animation-delay: 0.45s;
}

@keyframes wave {
  0%, 100% {
    height: 6px;
  }
  50% {
    height: 18px;
  }
}

/* ── 7. Input styles in text ── */
.listening-text-gap-input {
  border: 1px solid #c0c0c0;
  border-radius: 3px;
  outline: none;
  padding: 2px 6px;
  font-size: 13.5px;
  font-family: inherit;
  width: 130px;
  margin: 0 4px;
  transition: all 0.25s;
  background: #ffffff;
}

.listening-text-gap-input:focus {
  border-color: var(--ielts-blue);
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.15);
}

.map-labelling-image-preview {
  max-width: 100%;
  height: auto;
  border: 1.5px solid #d3d3d3;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* ── 8. Listening Creator App Header ── */
.listening-app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 20px;
  background: #ffffff;
  border-bottom: 1.5px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 200;
}

.listening-app-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #334155;
  font-size: 0.88rem;
  font-weight: 600;
}

.listening-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}