:root {
  color-scheme: light;
  --bg: #f5f1e8;
  --panel: #fffaf0;
  --ink: #1f2a24;
  --muted: #5f6a61;
  --line: #d7cdbb;
  --field: #fffdf7;
  --accent: #1f5f45;
  --accent-dark: #164533;
  --accent-soft: #d8e6db;
  --warning: #7b4e16;
  --shadow: 0 18px 45px rgba(31, 42, 36, 0.12);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(216, 230, 219, 0.75), transparent 32rem),
    linear-gradient(180deg, #f7f2e7, var(--bg));
  background-attachment: fixed;
  background-position: center top;
  background-size: cover;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 20px 28px;
}

.site-header > div {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 12px;
  font-size: 4rem;
  line-height: 0.95;
}

h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
}

.intro {
  max-width: 680px;
  margin-bottom: 0;
  color: #334039;
  font-size: 1.08rem;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

.builder-panel,
.checklist-panel,
.saved-panel {
  border: 1px solid rgba(215, 205, 187, 0.92);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.95);
  box-shadow: var(--shadow);
}

.builder-panel,
.checklist-panel {
  padding: 22px;
}

.builder-panel {
  align-self: start;
}

.saved-panel {
  grid-column: 1 / -1;
  padding: 20px;
}

.section-heading {
  margin-bottom: 18px;
}

form {
  display: grid;
  gap: 12px;
}

label {
  color: #2c3831;
  font-size: 0.92rem;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
  color: var(--ink);
  padding: 11px 12px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: 3px solid rgba(31, 95, 69, 0.25);
  outline-offset: 2px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.primary-action,
button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 800;
  padding: 12px 16px;
}

button:hover {
  background: var(--accent-dark);
}

.secondary-action {
  background: #e8e1d3;
  color: var(--ink);
}

.secondary-action:hover {
  background: #d8cdbb;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

.checklist-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.pill {
  border-radius: 999px;
  background: var(--accent-soft);
  color: #173d2d;
  font-size: 0.83rem;
  font-weight: 750;
  padding: 5px 10px;
}

.gear-group {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.gear-group:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.gear-group h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.gear-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: start;
  margin: 8px 0;
}

.gear-item input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.gear-item span {
  overflow-wrap: anywhere;
}

.gear-item input:checked + span {
  color: var(--muted);
  text-decoration: line-through;
}

.save-bar {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  margin-top: 10px;
  padding-top: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.saved-lists {
  display: grid;
  gap: 10px;
}

.saved-card {
  align-items: center;
  background: rgba(255, 253, 247, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto auto;
  padding: 12px;
}

.saved-card h3 {
  margin: 0 0 2px;
  font-size: 1rem;
}

.saved-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.saved-card button {
  padding: 9px 12px;
}

.delete-action {
  background: #efe4d2;
  color: var(--warning);
}

.delete-action:hover {
  background: #e4d2b6;
}

@media (max-width: 820px) {
  body {
    background-attachment: scroll;
  }

  .site-header {
    padding-top: 34px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 2.6rem;
  }

  .site-header,
  .app-shell {
    padding-left: 14px;
    padding-right: 14px;
  }

  .builder-panel,
  .checklist-panel,
  .saved-panel {
    padding: 16px;
  }

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

  .button-row button,
  .saved-card button {
    width: 100%;
  }
}