:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17324a;
  background: #f4f8fa;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  background: #f4f8fa;
}

button, select { font: inherit; }

button { cursor: pointer; }

.app-shell {
  width: min(100% - 28px, 980px);
  margin: 22px auto 40px;
}

.topbar,
.summary-bar,
.filters,
.review-card {
  border: 1px solid #dce7ec;
  background: #fff;
  box-shadow: 0 8px 28px rgba(25, 55, 75, .06);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-radius: 18px;
}

.eyebrow {
  display: block;
  margin-bottom: 4px;
  color: #0f766e;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
}

h1 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
}

.file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.file-actions button,
.nav-btn,
.verify-btn,
.verified-tick {
  border: 0;
  border-radius: 12px;
  min-height: 40px;
  font-weight: 700;
}

.file-actions button {
  padding: 9px 13px;
  background: #0f766e;
  color: #fff;
}

.file-actions .secondary {
  background: #eaf4f3;
  color: #0f766e;
}

.summary-bar {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, max-content) minmax(100px, 1fr);
  align-items: center;
  gap: 20px;
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: 15px;
}

.summary-bar > div:not(.summary-progress) {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.summary-bar b { font-size: 1rem; }
.summary-bar span { color: #6b7f8d; font-size: .76rem; }

.summary-progress {
  height: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: #e7eef1;
}

.summary-progress i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: #16a34a;
  transition: width .16s ease;
}

.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border-radius: 15px;
}

.filters label {
  display: grid;
  gap: 5px;
}

.filters label > span {
  color: #5d7382;
  font-size: .7rem;
  font-weight: 700;
}

.filters select {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid #cfdee5;
  border-radius: 10px;
  background: #fff;
  color: #17324a;
}

.review-card {
  margin-top: 12px;
  border-radius: 18px;
  overflow: hidden;
}

.review-head {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto 42px;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border-bottom: 1px solid #e5edf1;
  background: #f9fcfd;
}

.nav-btn {
  width: 42px;
  height: 42px;
  padding: 0;
  background: #e9f2f5;
  color: #365566;
  font-size: 1.45rem;
}

.nav-btn:disabled {
  cursor: default;
  opacity: .35;
}

.review-title {
  min-width: 0;
}

.review-title small,
.review-title p {
  display: block;
  margin: 0;
  color: #6b7f8d;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-title small {
  font-size: .72rem;
}

.review-title h2 {
  margin: 2px 0;
  font-size: 1rem;
  line-height: 1.25;
}

.review-title p {
  font-size: .82rem;
  font-weight: 600;
}

.review-position {
  padding: 6px 9px;
  border-radius: 9px;
  background: #fff;
  color: #496273;
  font-size: .76rem;
  white-space: nowrap;
}

.dialogue-table-head,
.dialogue-turn {
  display: grid;
  grid-template-columns: minmax(72px, 96px) minmax(0, 1fr);
  gap: 10px;
}

.dialogue-table-head {
  padding: 8px 14px;
  border-bottom: 1px solid #edf2f4;
  color: #78909e;
  background: #fbfdfe;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.dialogue-list {
  display: grid;
}

.dialogue-turn {
  align-items: start;
  padding: 9px 14px;
  border-bottom: 1px solid #eef3f5;
}

.dialogue-turn:last-child { border-bottom: 0; }

.speaker-cell {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: baseline;
  gap: 5px;
  min-width: 0;
}

.turn-no {
  color: #9aabb5;
  font-size: .68rem;
  font-variant-numeric: tabular-nums;
}

.speaker-name {
  overflow: hidden;
  color: #0f766e;
  font-size: .78rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.turn-text {
  color: #243d4d;
  font-size: .96rem;
  line-height: 1.42;
}

.verify-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  min-height: 64px;
  padding: 10px 14px;
  border-top: 1px solid #e8eef1;
  background: #fbfdfd;
}

.verify-btn {
  min-width: 130px;
  padding: 9px 16px;
  background: #0f766e;
  color: #fff;
}

.verify-btn.is-verified {
  background: #eaf7ee;
  color: #15803d;
}

.verified-tick {
  width: 40px;
  padding: 0;
  border: 1px solid #b9e4c5;
  background: #eaf7ee;
  color: #15803d;
  font-size: 1.1rem;
}

.empty {
  padding: 36px 16px;
  color: #79909e;
  text-align: center;
}

.notice {
  min-height: 20px;
  margin: 10px 2px 0;
  color: #5d7382;
  font-size: .78rem;
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 18px, 980px);
    margin-top: 10px;
  }

  .topbar {
    align-items: flex-start;
    padding: 14px;
  }

  .summary-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .summary-progress {
    grid-column: 1 / -1;
  }

  .summary-bar > div:not(.summary-progress) {
    display: grid;
    gap: 0;
  }

  .filters {
    grid-template-columns: 1fr 1fr;
  }

  .review-head {
    grid-template-columns: 38px minmax(0, 1fr) 38px;
  }

  .review-position {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
    padding-left: 0;
    background: transparent;
  }

  .review-head > .nav-btn:last-child {
    grid-column: 3;
    grid-row: 1;
  }

  .dialogue-table-head,
  .dialogue-turn {
    grid-template-columns: minmax(64px, 82px) minmax(0, 1fr);
    gap: 8px;
  }

  .dialogue-turn {
    padding: 8px 10px;
  }

  .dialogue-table-head {
    padding-inline: 10px;
  }

  .turn-text {
    font-size: .91rem;
  }
}

@media (max-width: 520px) {
  .topbar {
    display: grid;
  }

  .file-actions {
    width: 100%;
  }

  .file-actions button {
    flex: 1 1 auto;
  }

  .filters {
    grid-template-columns: 1fr;
  }
}