:root {
  --background: 216 33% 97%;
  --foreground: 222 38% 14%;
  --primary: 246 84% 58%;
  --secondary: 188 72% 44%;
  --muted: 214 24% 90%;
  --destructive: 0 76% 57%;
  --border: 220 22% 82%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 20px hsla(246, 84%, 30%, 0.08);
  --shadow-md: 0 16px 40px hsla(246, 84%, 24%, 0.14);
  --shadow-lg: 0 24px 60px hsla(246, 84%, 20%, 0.18);
  --transition-fast: 160ms ease;
  --transition-smooth: 300ms ease;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

.dark {
  --background: 228 24% 10%;
  --foreground: 210 20% 96%;
  --primary: 256 90% 68%;
  --secondary: 188 78% 54%;
  --muted: 226 20% 18%;
  --destructive: 0 75% 60%;
  --border: 226 20% 24%;
  --card: 228 22% 14%;
  --shadow-sm: 0 8px 20px hsla(0, 0%, 0%, 0.22);
  --shadow-md: 0 16px 40px hsla(0, 0%, 0%, 0.32);
  --shadow-lg: 0 24px 60px hsla(0, 0%, 0%, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
  background:
    radial-gradient(circle at top left, hsla(188, 72%, 44%, 0.12), transparent 30%),
    radial-gradient(circle at top right, hsla(246, 84%, 58%, 0.15), transparent 32%),
    hsl(var(--background));
  color: hsl(var(--foreground));
  min-height: 100vh;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
}

#root {
  min-height: 100vh;
}

.app-shell {
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  padding: 18px 0 36px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: white;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  box-shadow: var(--shadow-md);
}

.brand-block h1,
.section-header h2,
.hero-copy h2,
.detail-overlay h2,
.detail-card h2 {
  margin: 0;
}

.eyebrow {
  margin: 0 0 4px;
  color: hsl(var(--secondary));
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-btn,
.nav-tab,
.primary-btn,
.secondary-btn {
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.theme-btn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: hsl(var(--card));
  color: hsl(var(--foreground));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-sm);
}

.theme-btn:hover,
.nav-tab:hover,
.primary-btn:hover,
.secondary-btn:hover {
  transform: translateY(-1px);
}

.nav-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.nav-tab {
  padding: 12px 14px;
  border-radius: 16px;
  background: hsla(var(--card), 1);
  color: hsl(var(--foreground));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.nav-tab.active {
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  color: white;
  border-color: transparent;
}

.count-pill,
.status-pill,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}

.count-pill {
  min-width: 22px;
  padding: 3px 7px;
  margin-left: 6px;
  background: hsla(0, 0%, 100%, 0.18);
}

.notice {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--card));
  box-shadow: var(--shadow-sm);
}

.notice.success {
  border-color: hsla(188, 72%, 44%, 0.28);
}

.notice.error {
  border-color: hsla(0, 76%, 57%, 0.32);
}

.page-wrap {
  display: grid;
  gap: 22px;
}

.hero-panel,
.section-block,
.detail-card,
.booking-card,
.booking-item {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-sm);
}

.hero-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  border-radius: var(--radius-lg);
  padding: 22px;
  overflow: hidden;
  position: relative;
}

.hero-copy h2 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.02;
  max-width: 12ch;
}

.hero-text,
.trip-summary,
.detail-card p,
.empty-state p,
.floating-card p,
.booking-item p,
.mini-trip p,
small {
  color: hsla(var(--foreground), 0.78);
}

.hero-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.primary-btn,
.secondary-btn {
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 700;
}

.primary-btn {
  color: white;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  box-shadow: var(--shadow-md);
}

.secondary-btn {
  color: hsl(var(--foreground));
  background: transparent;
  border: 1px solid hsl(var(--border));
}

.primary-btn.full,
.secondary-btn.full {
  width: 100%;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.stat-card {
  background: hsla(var(--primary), 0.08);
  border: 1px solid hsla(var(--primary), 0.14);
  border-radius: 18px;
  padding: 14px;
}

.stat-card strong {
  display: block;
  font-size: 1.2rem;
}

.stat-card span {
  font-size: 0.88rem;
  color: hsla(var(--foreground), 0.74);
}

.hero-visual {
  min-height: 280px;
  position: relative;
  border-radius: 24px;
  background:
    linear-gradient(160deg, hsla(var(--primary), 0.16), hsla(var(--secondary), 0.12)),
    radial-gradient(circle at 20% 20%, hsla(0, 0%, 100%, 0.95), transparent 20%),
    radial-gradient(circle at 70% 50%, hsla(var(--secondary), 0.35), transparent 22%),
    radial-gradient(circle at 45% 75%, hsla(var(--primary), 0.28), transparent 26%);
  overflow: hidden;
}

.route-glow {
  position: absolute;
  inset: 20px;
  border-radius: 24px;
  border: 1px dashed hsla(var(--primary), 0.26);
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: hsla(0, 0%, 100%, 0.88);
  color: hsl(222 38% 14%);
  padding: 14px 16px;
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  animation: float 4s ease-in-out infinite;
}

.dark .floating-card {
  background: hsla(228, 22%, 14%, 0.9);
  color: hsl(var(--foreground));
}

.floating-card.large {
  top: 24px;
  left: 18px;
  right: 18px;
}

.floating-card.small {
  bottom: 24px;
  left: 36px;
  right: 36px;
}

.delay {
  animation-delay: 1.2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.section-block {
  border-radius: var(--radius-lg);
  padding: 20px;
}

.section-block.tight {
  padding: 18px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.stack-mobile {
  flex-direction: column;
  align-items: stretch;
}

.filter-row {
  display: grid;
  gap: 10px;
}

.input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:focus {
  border-color: hsl(var(--primary));
  box-shadow: 0 0 0 4px hsla(var(--primary), 0.12);
}

.textarea {
  min-height: 110px;
  resize: vertical;
}

.trip-grid,
.highlights-grid {
  display: grid;
  gap: 16px;
}

.trip-card {
  overflow: hidden;
  border-radius: 22px;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.trip-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.trip-visual {
  min-height: 180px;
  padding: 16px;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.visual-icon {
  margin-left: auto;
  font-size: 2rem;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: hsla(0, 0%, 100%, 0.2);
  backdrop-filter: blur(8px);
}

.badge {
  padding: 7px 11px;
  background: hsla(0, 0%, 100%, 0.2);
  color: white;
  backdrop-filter: blur(8px);
}

.badge.light {
  background: hsla(0, 0%, 100%, 0.18);
}

.trip-content {
  padding: 16px;
}

.trip-headline-row,
.booking-topline,
.booking-left,
.booking-right,
.mini-trip,
.detail-grid,
.booking-layout {
  display: flex;
  gap: 14px;
}

.trip-headline-row,
.booking-topline {
  align-items: flex-start;
  justify-content: space-between;
}

.trip-headline-row h3,
.booking-item h3,
.mini-trip h3,
.detail-card h3 {
  margin: 0 0 4px;
}

.price-chip {
  white-space: nowrap;
  font-weight: 800;
  color: hsl(var(--primary));
}

.meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.meta-grid span,
.highlight-item,
.status-pill {
  padding: 8px 10px;
  border-radius: 999px;
  background: hsla(var(--primary), 0.1);
  color: hsl(var(--primary));
  font-size: 0.82rem;
  font-weight: 700;
}

.detail-hero {
  min-height: 260px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.detail-overlay {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(180deg, transparent, hsla(222, 38%, 10%, 0.52));
  color: white;
}

.detail-quickstats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.detail-quickstats span {
  padding: 8px 10px;
  border-radius: 999px;
  background: hsla(0, 0%, 100%, 0.16);
}

.detail-grid,
.booking-layout {
  flex-direction: column;
}

.detail-card,
.booking-card {
  border-radius: 24px;
  padding: 20px;
}

.info-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.info-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid hsl(var(--border));
}

.info-list.compact div:last-child,
.info-list div:last-child {
  border-bottom: none;
}

.price-block {
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}

.price-block strong {
  font-size: 2rem;
}

.booking-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.booking-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.form-split {
  display: grid;
  gap: 12px;
}

.form-status {
  min-height: 20px;
  margin: 0;
  color: hsl(var(--secondary));
  font-size: 0.92rem;
}

.mini-avatar,
.booking-avatar {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  flex-shrink: 0;
}

.booking-list {
  display: grid;
  gap: 14px;
}

.booking-item {
  border-radius: 22px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.booking-left {
  align-items: flex-start;
}

.booking-right {
  flex-direction: column;
  align-items: flex-start;
}

.bookings-meta span {
  background: hsla(var(--secondary), 0.12);
  color: hsl(var(--secondary));
}

.empty-state {
  border: 1px dashed hsl(var(--border));
  border-radius: 24px;
  padding: 30px 18px;
  text-align: center;
  background: linear-gradient(180deg, hsla(var(--primary), 0.04), transparent);
}

.empty-icon {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.skeleton {
  pointer-events: none;
}

.skeleton-box {
  border-radius: 14px;
  background: linear-gradient(90deg, hsla(var(--muted), 0.75), hsla(var(--border), 0.95), hsla(var(--muted), 0.75));
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite linear;
}

.skeleton-box.tall {
  min-height: 180px;
}

.skeleton-box.line-lg {
  height: 20px;
  width: 70%;
  margin-bottom: 12px;
}

.skeleton-box.line-md {
  height: 16px;
  width: 92%;
  margin-bottom: 10px;
}

.skeleton-box.line-sm {
  height: 14px;
  width: 58%;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

@media (min-width: 640px) {
  .app-shell {
    width: min(1180px, calc(100% - 36px));
    padding-top: 24px;
  }

  .hero-panel {
    padding: 28px;
  }

  .trip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-row,
  .form-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stack-mobile {
    flex-direction: row;
    align-items: center;
  }

  .booking-item {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .booking-right {
    align-items: flex-end;
  }
}

@media (min-width: 900px) {
  .hero-panel {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    padding: 34px;
  }

  .trip-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .detail-grid,
  .booking-layout {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    align-items: start;
  }

  .booking-card.sticky {
    position: sticky;
    top: 20px;
  }

  .highlights-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}