:root {
  --ink: #14110c;
  --muted: #6a5d4d;
  --paper: #f5ead6;
  --paper-deep: #ead7b8;
  --card: rgba(255, 250, 239, 0.88);
  --card-strong: rgba(255, 246, 229, 0.96);
  --line: rgba(78, 61, 38, 0.18);
  --line-strong: rgba(78, 61, 38, 0.34);
  --accent: #d64f2a;
  --accent-dark: #8f2f1b;
  --checked: #1d7f55;
  --shadow: 0 28px 80px rgba(83, 50, 20, 0.22);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Book Antiqua", "Iowan Old Style", Georgia, serif;
  background:
    radial-gradient(circle at 8% 9%, rgba(214, 79, 42, 0.25), transparent 26%),
    radial-gradient(circle at 92% 4%, rgba(29, 127, 85, 0.15), transparent 25%),
    linear-gradient(115deg, rgba(255, 255, 255, 0.44), transparent 38%),
    repeating-linear-gradient(90deg, rgba(88, 56, 29, 0.045) 0 1px, transparent 1px 26px),
    linear-gradient(145deg, var(--paper), var(--paper-deep));
}

button,
input {
  font: inherit;
}

input:focus-visible {
  outline: 3px solid rgba(214, 79, 42, 0.28);
  outline-offset: 3px;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  margin-bottom: 18px;
  padding: clamp(24px, 5vw, 46px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 248, 233, 0.62)),
    var(--card);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  right: -86px;
  bottom: -112px;
  width: 260px;
  height: 260px;
  border: 34px solid rgba(214, 79, 42, 0.14);
  border-radius: 999px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-family: "Lucida Console", Monaco, monospace;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 0.95;
}

h1 {
  font-size: clamp(3.1rem, 10vw, 7.4rem);
  letter-spacing: -0.075em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -0.055em;
}

.lede {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  line-height: 1.55;
}

.status {
  position: relative;
  z-index: 1;
  min-width: 112px;
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--muted);
  font-family: "Lucida Console", Monaco, monospace;
  font-size: 0.78rem;
  text-align: center;
  text-transform: uppercase;
}

.status[data-status="synced"] {
  border-color: rgba(29, 127, 85, 0.4);
  color: var(--checked);
}

.status[data-status="saving"],
.status[data-status="loading"] {
  border-color: rgba(214, 79, 42, 0.38);
  color: var(--accent-dark);
}

.status[data-status="error"] {
  border-color: rgba(214, 79, 42, 0.55);
  background: rgba(214, 79, 42, 0.1);
  color: var(--accent-dark);
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.summary article,
.toolbar,
.category-card,
.empty-state {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 18px 46px rgba(83, 50, 20, 0.12);
  backdrop-filter: blur(16px);
}

.summary article {
  min-height: 126px;
  display: grid;
  align-content: space-between;
  padding: 20px;
  border-radius: var(--radius-lg);
}

.summary span,
.source-note,
.search span {
  color: var(--muted);
  font-family: "Lucida Console", Monaco, monospace;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary strong {
  display: block;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
}

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

.search input {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  font-size: 1.1rem;
}

.source-note {
  line-height: 1.5;
}

.source-note strong {
  color: var(--ink);
}

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

.category-card {
  padding: 20px;
  border-radius: var(--radius-xl);
}

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

.category-count {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-family: "Lucida Console", Monaco, monospace;
  font-size: 0.8rem;
}

.progress-track {
  height: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid rgba(78, 61, 38, 0.12);
  border-radius: 999px;
  background: rgba(83, 50, 20, 0.08);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--checked), #5bbf84);
  transition: width 180ms ease;
}

.question-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(154px, 1fr));
  gap: 10px;
}

.question-item {
  position: relative;
  min-height: 50px;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
  user-select: none;
  transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

.question-item:hover {
  border-color: rgba(214, 79, 42, 0.42);
  background: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

.question-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.custom-box {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 2px solid rgba(78, 61, 38, 0.38);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.64);
  transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.question-checkbox:checked + .custom-box {
  border-color: var(--checked);
  background: var(--checked);
}

.question-checkbox:checked + .custom-box::after {
  content: "";
  width: 7px;
  height: 13px;
  margin-top: -2px;
  border: solid white;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

.question-checkbox:focus-visible + .custom-box {
  outline: 3px solid rgba(214, 79, 42, 0.28);
  outline-offset: 3px;
}

.question-checkbox:checked ~ .question-label {
  color: rgba(20, 17, 12, 0.56);
  text-decoration: line-through;
}

.question-label {
  font-size: 1.02rem;
  font-weight: 700;
}

.empty-state {
  padding: 30px;
  border-radius: var(--radius-lg);
  text-align: center;
}

.empty-state p {
  margin: 10px 0 0;
  color: var(--muted);
}

.load-error {
  grid-column: 1 / -1;
}

@media (max-width: 820px) {
  .hero,
  .toolbar,
  .category-grid,
  .summary {
    grid-template-columns: 1fr;
  }

  .status {
    width: fit-content;
  }

  .summary article {
    min-height: 102px;
  }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding-top: 10px;
  }

  .hero,
  .category-card {
    border-radius: 22px;
  }

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