:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-strong: #e9eef7;
  --card: #ffffff;
  --card-muted: #f8fafc;
  --text: #162033;
  --muted: #64748b;
  --line: #d8e0ec;
  --primary: #2454ff;
  --primary-dark: #1739b7;
  --secondary: #00a38c;
  --danger: #d7334a;
  --warning: #a16207;
  --shadow: 0 20px 70px rgba(15, 23, 42, 0.12);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --space: clamp(1rem, 2vw, 1.5rem);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(36, 84, 255, 0.16), transparent 34rem),
    radial-gradient(circle at 90% 10%, rgba(0, 163, 140, 0.16), transparent 24rem),
    var(--bg);
}

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

button,
input,
select,
textarea {
  border-radius: var(--radius-sm);
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  transform: translateY(-160%);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: white;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.hero {
  padding: 1.25rem clamp(1rem, 4vw, 4rem) 3rem;
}

.topbar,
.hero-grid,
.shell {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.1rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 2.3rem;
  height: 2.3rem;
  place-items: center;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 12px 30px rgba(36, 84, 255, 0.28);
}

.topbar-actions,
.hero-actions,
.form-row,
.inline-form,
.section-heading {
  display: flex;
  gap: 0.75rem;
}

.topbar-actions,
.hero-actions {
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

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

.button-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 12px 30px rgba(36, 84, 255, 0.25);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--primary-dark);
}

.button-secondary {
  background: #dff8f3;
  color: #075f53;
  border-color: #a9e7de;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.68);
  color: var(--text);
  border-color: rgba(100, 116, 139, 0.25);
  backdrop-filter: blur(18px);
}

.button-danger {
  background: #ffe8ec;
  color: #9d1730;
  border-color: #ffc5ce;
}

.file-button {
  position: relative;
  overflow: hidden;
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  min-height: 540px;
}

.hero-copy h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
}

.hero-copy p:not(.eyebrow) {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--secondary);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.trip-card,
.panel {
  border: 1px solid rgba(216, 224, 236, 0.9);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.trip-card {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  border-radius: var(--radius-xl);
}

.trip-card h2,
.section-heading h2,
.security-panel h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

.trip-card h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.trip-card p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin: 0;
}

.stats div,
.invite {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-muted);
}

.stats dt,
.invite span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.stats dd {
  margin: 0.35rem 0 0;
  font-size: 1.6rem;
  font-weight: 900;
}

.invite {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.invite strong {
  font-size: 1.4rem;
  letter-spacing: 0.16em;
}

.shell {
  display: grid;
  gap: var(--space);
  padding: 0 clamp(1rem, 4vw, 4rem) 4rem;
}

.panel {
  padding: clamp(1rem, 2.4vw, 1.5rem);
  border-radius: var(--radius-lg);
}

.panel-wide {
  margin-top: -1.5rem;
}

.dashboard {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space);
  align-items: start;
}

.dashboard-secondary {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
}

.section-heading {
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-heading p:not(.eyebrow) {
  max-width: 38rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.grid-form {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(2, minmax(150px, 0.65fr)) minmax(220px, 1.1fr) auto;
  gap: 0.9rem;
  align-items: end;
}

.stacked-form,
.cards,
.compact-list,
.pill-list,
.checklist {
  display: grid;
  gap: 0.85rem;
}

.inline-form {
  align-items: end;
  margin-bottom: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: white;
  color: var(--text);
  padding: 0.75rem 0.85rem;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(36, 84, 255, 0.24);
  outline-offset: 2px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(36, 84, 255, 0.1);
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.8rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: white;
}

.toggle-row input {
  width: 1.1rem;
  height: 1.1rem;
}

.toggle-row small {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-weight: 600;
}

.filter {
  min-width: 10rem;
}

.plan-card,
.info-card,
.member-card,
.task-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: white;
}

.plan-card {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.card-top h3 {
  margin: 0;
  font-size: 1.15rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 1.8rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: #edf2ff;
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: capitalize;
}

.badge.restaurant {
  background: #fff2d8;
  color: var(--warning);
}

.badge.confirmed {
  background: #dcfce7;
  color: #166534;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.card-notes {
  margin: 0;
  color: #3f4c61;
  line-height: 1.5;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--primary);
  font-weight: 900;
}

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

.empty {
  margin: 0;
  padding: 1rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.info-card {
  padding: 0.9rem;
}

.info-card h3,
.member-card h3 {
  margin: 0;
  font-size: 1rem;
}

.info-card p {
  margin: 0.45rem 0 0;
  color: #3f4c61;
  line-height: 1.5;
  white-space: pre-wrap;
}

.secure-value {
  filter: blur(5px);
  user-select: none;
}

.pill-list {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.member-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem;
}

.member-card p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

hr {
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.task-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem;
}

.task-row input {
  width: 1.1rem;
  height: 1.1rem;
}

.task-row.done strong {
  color: var(--muted);
  text-decoration: line-through;
}

.task-row small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
}

.security-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #101827;
  color: white;
}

.security-panel p:not(.eyebrow) {
  max-width: 680px;
  color: #cbd5e1;
  line-height: 1.7;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  max-width: min(24rem, calc(100vw - 2rem));
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  background: var(--text);
  color: white;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(1rem);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .dashboard,
  .dashboard-secondary {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding: 3rem 0 1rem;
  }

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

@media (max-width: 680px) {
  .topbar,
  .topbar-actions,
  .section-heading,
  .security-panel,
  .inline-form,
  .form-row {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-copy h1 {
    max-width: 9ch;
  }

  .stats,
  .grid-form {
    grid-template-columns: 1fr;
  }

  .card-top {
    flex-direction: column;
  }
}