:root {
  --bg: #f7fafc;
  --surface: #ffffff;
  --surface-soft: #f3f7fa;
  --text: #0e1c2f;
  --muted: #66768a;
  --border: #d9e4eb;
  --navy: #092858;
  --blue: #1264c4;
  --blue-soft: #eaf4ff;
  --green: #087f5b;
  --green-soft: #def7eb;
  --amber: #a45b00;
  --amber-soft: #fff2d9;
  --red: #b42318;
  --red-soft: #fee8e6;
  --shadow: 0 22px 54px rgba(9, 40, 88, 0.1);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -150px, rgba(18, 100, 196, 0.16), transparent 380px),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 58%);
  overflow-x: hidden;
}

button,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1220px;
  margin: 0 auto;
  padding: 22px clamp(16px, 4vw, 32px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  text-decoration: none;
}

.brand-mark span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid #c9dce8;
  border-radius: 8px;
  background: #ffffff;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(9, 40, 88, 0.08);
}

.brand-mark strong {
  font-size: 15px;
}

.header-meta,
.status-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.header-meta span {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.84);
  font-size: 12px;
  font-weight: 800;
}

.app-shell {
  display: grid;
  gap: 20px;
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 42px;
}

.hero-copy {
  width: min(830px, 100%);
  margin: 4px auto 2px;
  text-align: center;
}

.track-label,
.section-label {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.15;
}

h3 {
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.25;
}

.subtitle,
.summary-copy,
.safety-copy {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.chat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  align-items: start;
  gap: 16px;
}

.chat-card,
.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.chat-card {
  display: grid;
  gap: 12px;
  min-height: 660px;
  padding: 14px;
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 360px;
  overflow: visible;
  padding: 4px 4px 10px;
}

.message {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.message.user {
  justify-content: flex-end;
}

.message.user .bubble {
  color: #ffffff;
  background: var(--blue);
}

.message.user .avatar {
  display: none;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border: 1px solid #cbdfea;
  border-radius: 8px;
  color: var(--blue);
  background: #ffffff;
  font-size: 11px;
  font-weight: 900;
}

.bubble {
  width: fit-content;
  max-width: min(680px, 82%);
  padding: 13px 14px;
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 15px;
  line-height: 1.56;
}

.bubble p {
  margin-bottom: 8px;
}

.bubble p:last-child {
  margin-bottom: 0;
}

.bubble ul,
.bubble ol {
  margin: 8px 0 0;
  padding-left: 20px;
}

.bubble li {
  margin-bottom: 5px;
}

.bubble-note {
  color: var(--muted);
  font-size: 13px;
}

.flight-list-header {
  margin: 10px 0 4px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.2px;
}

.flight-suggestions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 4px 0 8px;
}

.flight-card {
  display: grid;
  gap: 6px;
  padding: 11px 12px;
  border: 1px solid #d6e4ee;
  border-radius: 8px;
  background: #ffffff;
}

.flight-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.flight-card-top strong {
  color: var(--navy);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.flight-badge {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.flight-badge.ok {
  color: var(--green);
  background: var(--green-soft);
}

.flight-badge.warn {
  color: #b1432b;
  background: #fde2da;
}

.flight-badge.neutral {
  color: var(--muted);
  background: #eef2f5;
}

.flight-airline {
  color: var(--muted);
  font-size: 12px;
}

.flight-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}

.flight-leg {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.leg-iata {
  font-size: 15px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.5px;
}

.leg-airport {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.leg-times {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
}

.leg-sched {
  font-weight: 700;
  color: var(--text);
}

.leg-est {
  color: #b1432b;
}

.leg-arrow {
  font-size: 16px;
  color: var(--muted);
}

.travel-suggestions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin: 10px 0 8px;
}

.travel-card {
  display: grid;
  gap: 7px;
  padding: 11px;
  border: 1px solid #d6e4ee;
  border-radius: 8px;
  background: #ffffff;
}

.travel-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  background: #e9f1f7;
}

.travel-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.travel-card strong {
  color: var(--navy);
  font-size: 14px;
  line-height: 1.25;
}

.travel-card span {
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--green);
  background: var(--green-soft);
  font-size: 11px;
  font-weight: 900;
}

.travel-card p {
  margin: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
}

.travel-card small,
.travel-card em {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  font-style: normal;
}

.travel-card em {
  padding-top: 7px;
  border-top: 1px solid var(--border);
}

.map-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 6px 9px;
  border: 1px solid #c8ddea;
  border-radius: 8px;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.map-link:hover {
  border-color: var(--blue);
  background: #ffffff;
}

.fallback-notice {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid #f2c579;
  border-radius: 8px;
  color: #704000;
  background: #fff6e7;
  font-size: 13px;
  line-height: 1.45;
}

.quick-tests {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.test-button,
.primary-button,
.ghost-button,
.issue-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.test-button {
  min-height: 36px;
  padding: 8px 11px;
  color: var(--navy);
  background: #ffffff;
  font-size: 13px;
  font-weight: 850;
  text-align: left;
}

.composer {
  display: grid;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.composer label {
  color: var(--navy);
  font-size: 13px;
  font-weight: 900;
}

textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  padding: 13px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  background: #f8fbfd;
  font-size: 15px;
  line-height: 1.55;
}

textarea:focus {
  outline: 3px solid rgba(18, 100, 196, 0.16);
  border-color: var(--blue);
  background: #ffffff;
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.primary-button {
  padding: 10px 18px;
  border-color: var(--blue);
  color: #ffffff;
  background: var(--blue);
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(18, 100, 196, 0.18);
}

.ghost-button {
  padding: 9px 12px;
  color: var(--navy);
  background: #ffffff;
  font-size: 13px;
  font-weight: 900;
}

.primary-button:hover,
.ghost-button:hover,
.test-button:hover,
.issue-card:hover {
  transform: translateY(-1px);
  border-color: var(--blue);
}

.primary-button:focus-visible,
.ghost-button:focus-visible,
.test-button:focus-visible,
.issue-card:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(18, 100, 196, 0.18);
  outline-offset: 2px;
}

.typing-bubble {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  min-height: 22px;
}

.typing-label {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.typing-dots > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  display: inline-block;
  animation: typing-bounce 1.2s infinite ease-in-out;
}

.typing-dots > span:nth-child(2) {
  animation-delay: 0.15s;
}

.typing-dots > span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes typing-bounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.35;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .typing-dots > span {
    animation: none;
    opacity: 0.6;
  }
}

.support-panel {
  display: grid;
  gap: 12px;
}

.panel {
  padding: 15px;
  box-shadow: 0 12px 30px rgba(9, 40, 88, 0.06);
}

.result-card {
  display: grid;
  gap: 12px;
  border-color: #cbdfea;
  background: linear-gradient(135deg, #ffffff 0%, #f6fbff 100%);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef2f6;
  color: var(--navy);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.badge.low {
  color: var(--green);
  background: var(--green-soft);
}

.badge.medium {
  color: var(--amber);
  background: var(--amber-soft);
}

.badge.high {
  color: var(--red);
  background: var(--red-soft);
}

.badge.neutral {
  color: var(--muted);
  background: #eef2f6;
}

.issue-list {
  display: grid;
  gap: 8px;
}

.issue-card {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 9px;
  width: 100%;
  padding: 10px;
  background: #ffffff;
  text-align: left;
}

.issue-card.active {
  border-color: var(--blue);
  background: var(--blue-soft);
  box-shadow: 0 0 0 3px rgba(18, 100, 196, 0.12);
}

.issue-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 900;
}

.issue-main {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.issue-main strong {
  font-size: 14px;
}

.issue-main small,
.issue-main em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  line-height: 1.35;
}

dl {
  margin: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: minmax(108px, 0.65fr) 1fr;
  gap: 8px 10px;
  font-size: 13px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 850;
}

.clean-list,
.checklist {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
}

.clean-list li,
.checklist li {
  margin-bottom: 7px;
}

.handoff-panel {
  display: grid;
  gap: 10px;
}

.handoff-copy {
  margin: 0;
  padding: 12px;
  border: 1px solid #dbe8ef;
  border-radius: 8px;
  background: #fbfdff;
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
}

.safety-copy {
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.danger-text {
  color: var(--red);
}

.empty-text {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.state-box {
  display: none;
}

@media (max-width: 1060px) {
  .chat-layout {
    grid-template-columns: 1fr;
  }

  .chat-card {
    min-height: 580px;
  }

  .chat-messages {
    max-height: none;
  }
}

@media (max-width: 680px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-meta,
  .status-badges {
    justify-content: flex-start;
  }

  .app-shell {
    width: min(100% - 24px, 1220px);
    padding-bottom: 28px;
  }

  .hero-copy {
    text-align: left;
  }

  h1 {
    font-size: 34px;
  }

  .chat-card {
    min-height: 0;
    padding: 12px;
  }

  .chat-messages {
    min-height: 260px;
  }

  .bubble {
    max-width: 92%;
  }

  .quick-tests {
    display: grid;
    grid-template-columns: 1fr;
  }

  .travel-suggestions {
    grid-template-columns: 1fr;
  }

  .composer-actions,
  .panel-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .action-buttons,
  .primary-button,
  .ghost-button {
    width: 100%;
  }

  .info-grid,
  .issue-card {
    grid-template-columns: 1fr;
  }
}