:root {
  color-scheme: light;
  --bg: #f6f1e9;
  --surface: rgba(255, 252, 247, 0.86);
  --surface-strong: #fffcf7;
  --surface-soft: rgba(255, 252, 247, 0.64);
  --text: #11211c;
  --muted: #60706b;
  --line: rgba(17, 33, 28, 0.1);
  --accent: #087e73;
  --accent-soft: rgba(8, 126, 115, 0.12);
  --danger: #b54339;
  --shadow: 0 18px 38px rgba(17, 33, 28, 0.1);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 720px;
  --font-sans: "Segoe UI Variable Display", "Segoe UI Variable Text", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(8, 126, 115, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(8, 126, 115, 0.09), transparent 18%),
    linear-gradient(180deg, #f3ece2 0%, var(--bg) 28%, #f4efe7 100%);
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  cursor: pointer;
}

.app-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.hero,
.panel,
.mobile-nav {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.62)),
    var(--surface-strong);
  box-shadow: var(--shadow);
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 0.96;
}

.hero-kicker,
.section-kicker {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-text {
  margin: 14px 0 0;
  max-width: 28ch;
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions,
.form-actions,
.image-row,
.card-actions,
.card-meta,
.timeline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-actions {
  align-items: center;
}

.primary-button,
.ghost-button,
.mini-button {
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.primary-button:active,
.ghost-button:active,
.mini-button:active {
  transform: translateY(1px) scale(0.985);
}

.primary-button {
  padding: 12px 18px;
  background: var(--accent);
  color: #ffffff;
}

.ghost-button {
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(8, 126, 115, 0.18);
  color: var(--text);
}

.destructive-button {
  border-color: rgba(181, 67, 57, 0.18);
  color: var(--danger);
}

.mini-button {
  padding: 8px 12px;
  background: var(--surface-soft);
  border-color: var(--line);
  color: var(--text);
}

.content {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.panel,
.mobile-nav {
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.72)),
    var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 20px;
}

.trip-panel {
  gap: 18px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
}

.section-heading h2 {
  font-size: 1.55rem;
  line-height: 1.02;
}

.status-pill,
.section-count {
  align-self: flex-start;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

button:disabled,
select:disabled {
  cursor: not-allowed;
}

button:disabled {
  opacity: 0.48;
}

.mobile-nav {
  position: sticky;
  top: 12px;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 10px;
}

.mobile-nav a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 42px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.92rem;
  transition: background-color 160ms ease, color 160ms ease;
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
  outline: none;
}

.stack-form,
.entry-form {
  display: grid;
  gap: 14px;
}

.stack-form label,
.entry-form label {
  display: grid;
  gap: 8px;
}

label span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

input,
textarea,
select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

input::placeholder,
textarea::placeholder {
  color: #7e8b86;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(8, 126, 115, 0.45);
  box-shadow: 0 0 0 4px rgba(8, 126, 115, 0.14);
  background: #ffffff;
}

textarea {
  min-height: 108px;
  resize: vertical;
}

input[type="file"] {
  padding: 12px;
  background: rgba(8, 126, 115, 0.05);
}

.two-column,
.summary-grid {
  display: grid;
  gap: 14px;
}

.summary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.summary-card,
.entry-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(17, 33, 28, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.summary-card {
  padding: 16px;
}

.summary-card p,
.entry-card p,
.detail-list p,
.empty-state,
.card-note,
.meta-line {
  margin: 0;
  color: var(--muted);
}

.summary-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.8rem;
  line-height: 1;
}

.preview-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 10px;
}

.image-chip,
.gallery-item {
  overflow: hidden;
  border-radius: var(--radius-md);
  margin: 0;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(17, 33, 28, 0.08);
  background: rgba(255, 255, 255, 0.76);
}

.image-chip img,
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.entry-card {
  padding: 18px;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.card-title {
  margin: 0;
  font-size: 1.12rem;
}

.card-subtitle {
  margin: 6px 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.detail-list {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.detail-item {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(8, 126, 115, 0.06);
}

.detail-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.84rem;
  color: var(--accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.empty-state {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.44);
  border: 1px dashed rgba(17, 33, 28, 0.12);
}

.hidden {
  display: none !important;
}

.route-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.route-link:hover,
.route-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

@media (min-width: 680px) {
  .app-shell {
    padding: 32px 24px 96px;
  }

  .hero {
    grid-template-columns: minmax(0, 1.5fr) auto;
    align-items: end;
    padding: 28px;
  }

  .section-heading {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

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

  .section-heading h2 {
    font-size: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}