:root {
  --bg: #f4efe7;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --ink: #18202b;
  --muted: #5d6775;
  --accent: #25544a;
  --accent-2: #d98f3d;
  --danger: #a8463f;
  --line: rgba(24, 32, 43, 0.1);
  --success: #1f7a4f;
  --shadow: 0 24px 60px rgba(24, 32, 43, 0.12);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 143, 61, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(37, 84, 74, 0.18), transparent 26%),
    linear-gradient(180deg, #f7f2ea 0%, #efe6db 100%);
}

.page-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 32px 120px;
}

.page-shell.stage-auth,
.page-shell.stage-setup {
  max-width: 760px;
}

.panel,
.action-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow);
  border-radius: var(--radius-xl);
}

.topbar,
.hero,
.state-panel {
  padding: 28px 32px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin-bottom: 18px;
}

.topbar h1,
.hero h2,
.state-panel h2,
.panel h2 {
  margin: 0;
  line-height: 1;
  letter-spacing: -0.04em;
}

.topbar h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
}

.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.session-meta {
  color: var(--muted);
  font-size: 0.95rem;
  text-align: right;
}

.app-stack {
  display: grid;
  gap: 18px;
}

.eyebrow,
.panel-label {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.action-card p,
.subpanel p,
.subtle-copy,
.invite-helper {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy {
  margin: 18px 0 0;
  max-width: 760px;
}

.hero-stats {
  display: grid;
  gap: 12px;
  align-content: start;
}

.stat-card {
  background: rgba(24, 32, 43, 0.05);
  border: 1px solid rgba(24, 32, 43, 0.08);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.stat-label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stat-value {
  margin-top: 8px;
  font-size: 1.9rem;
  font-weight: 700;
}

.badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(24, 32, 43, 0.06);
  color: var(--ink);
  font-weight: 700;
}

.compact-badges {
  margin-top: 0;
  margin-bottom: 18px;
}

.preview-grid,
.action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.action-card {
  padding: 24px;
}

.action-card h3,
.subpanel h3,
.history-card h3,
.group-title {
  margin: 0 0 10px;
}

.action-button {
  text-align: left;
  cursor: pointer;
}

.callout-row {
  margin-top: 24px;
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.subpanel {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(24, 32, 43, 0.04);
  border: 1px solid rgba(24, 32, 43, 0.06);
}

.member-panel {
  margin-top: 0;
}

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

.simple-list {
  display: grid;
  gap: 12px;
}

.simple-list-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(24, 32, 43, 0.05);
  border: 1px solid rgba(24, 32, 43, 0.08);
}

.simple-list-item strong {
  display: block;
  margin-bottom: 4px;
}

.list-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.route-view.is-hidden,
.is-hidden {
  display: none !important;
}

.panel {
  padding: 28px;
}

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

.flow-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.back-button {
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(24, 32, 43, 0.06);
  color: var(--ink);
  font-weight: 700;
  flex: 0 0 auto;
}

.sticky-heading {
  position: sticky;
  top: 12px;
  z-index: 10;
  padding: 12px 0 16px;
  margin: 0 0 18px;
  background:
    linear-gradient(180deg, rgba(244, 239, 231, 0.97) 0%, rgba(244, 239, 231, 0.88) 74%, rgba(244, 239, 231, 0) 100%);
  backdrop-filter: blur(10px);
}

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

.sticky-actions,
.trip-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.trip-actions-top {
  margin-bottom: 18px;
}

.count-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(37, 84, 74, 0.1);
  color: var(--accent);
  font-weight: 800;
}

.inline-form,
.quick-add {
  display: grid;
  grid-template-columns: 1.4fr 190px auto;
  gap: 14px;
  align-items: end;
}

.quick-add {
  margin-bottom: 18px;
}

.invite-form {
  grid-template-columns: 1.4fr 1fr auto;
}

.field {
  display: grid;
  gap: 8px;
}

.field-grow {
  min-width: 0;
}

.field span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

input,
select,
button {
  font: inherit;
}

input[type="text"],
select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--ink);
}

button {
  border: 0;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button {
  border-radius: 999px;
  padding: 14px 18px;
  font-weight: 700;
}

.primary-button {
  background: var(--accent);
  color: #fff;
}

.secondary-button {
  background: var(--accent-2);
  color: #fff;
}

.ghost-button {
  background: rgba(24, 32, 43, 0.06);
  color: var(--ink);
}

.danger-button {
  background: rgba(168, 70, 63, 0.12);
  color: var(--danger);
}

.helper-copy {
  margin: 14px 0 22px;
  padding: 14px 16px;
  background: rgba(217, 143, 61, 0.08);
  border-radius: var(--radius-md);
  color: var(--muted);
  line-height: 1.55;
}

.panel-soft {
  margin-bottom: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(24, 32, 43, 0.04);
  border: 1px solid rgba(24, 32, 43, 0.06);
}

.trip-builder-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  align-items: center;
}

.option-toggle {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--ink);
  font-weight: 650;
}

.option-toggle input {
  width: 20px;
  height: 20px;
}

.catalog-groups,
.shopping-checklist,
.history-block {
  display: grid;
  gap: 16px;
}

.catalog-group,
.trip-group,
.history-card {
  background: rgba(24, 32, 43, 0.04);
  border: 1px solid rgba(24, 32, 43, 0.06);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.catalog-item,
.trip-item {
  display: grid;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
}

.catalog-item {
  grid-template-columns: 1fr auto;
}

.catalog-item-manage {
  margin: 0;
  padding: 12px 0;
}

.catalog-manage-copy {
  display: flex;
  align-items: center;
  min-width: 0;
}

.catalog-item + .catalog-item,
.trip-item + .trip-item {
  border-top: 1px solid rgba(24, 32, 43, 0.08);
}

.catalog-select,
.trip-toggle {
  display: flex;
  gap: 12px;
  align-items: center;
}

.catalog-toggle,
.trip-check {
  width: 20px;
  height: 20px;
}

.catalog-item.is-selected {
  background: rgba(37, 84, 74, 0.08);
  margin: 0 -8px;
  padding: 12px 8px;
  border-radius: 10px;
}

.catalog-name,
.trip-item-name {
  font-weight: 650;
}

.trip-item.done .trip-item-name {
  text-decoration: line-through;
  color: var(--muted);
}

.trip-item-meta,
.empty-state,
.history-meta {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.trip-item-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.carry-chip,
.trip-chip {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.carry-chip {
  background: rgba(37, 84, 74, 0.1);
  color: var(--accent);
}

.trip-chip {
  background: rgba(217, 143, 61, 0.14);
  color: #8d5b21;
}

.link-button {
  background: transparent;
  color: var(--accent);
  padding: 0;
  font-weight: 700;
}

.trip-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.summary-line {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: rgba(24, 32, 43, 0.04);
  border: 1px solid rgba(24, 32, 43, 0.06);
}

.summary-line strong {
  display: block;
  font-size: 1.6rem;
}

.summary-line span {
  color: var(--muted);
}

.status-banner {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-weight: 700;
}

.status-banner.is-success {
  background: rgba(31, 122, 79, 0.12);
  color: var(--success);
}

.status-banner.is-error {
  background: rgba(168, 70, 63, 0.12);
  color: var(--danger);
}

.bottom-nav {
  position: sticky;
  bottom: 16px;
  z-index: 30;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 12px;
  margin-top: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(24, 32, 43, 0.08);
  box-shadow: 0 18px 40px rgba(24, 32, 43, 0.16);
  backdrop-filter: blur(12px);
}

.bottom-nav-item {
  flex: 1 1 0;
  padding: 12px 10px;
  border-radius: 16px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.bottom-nav-item.is-active {
  background: rgba(37, 84, 74, 0.12);
  color: var(--accent);
}

@media (max-width: 980px) {
  .page-shell {
    padding: 18px 18px 112px;
  }

  .topbar,
  .hero,
  .state-panel,
  .panel {
    padding: 22px;
  }

  .hero,
  .setup-grid,
  .preview-grid,
  .action-grid,
  .trip-summary,
  .member-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-heading,
  .flow-header,
  .sticky-row,
  .sticky-actions,
  .trip-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .bottom-nav {
    gap: 8px;
    padding: 10px;
  }

  .bottom-nav-item {
    font-size: 0.88rem;
    padding: 12px 8px;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .inline-form,
  .quick-add,
  .trip-builder-grid {
    grid-template-columns: 1fr;
  }
}