:root {
  --ink: #2c2825;
  --muted: #7a7168;
  --paper: #f3eee7;
  --card: #fffcf8;
  --line: #e4dbd0;
  --navy: #2e5a6b;
  --crimson: #c45b4a;
  --ok: #5d8a78;
  --warn: #d4a054;
  --sand: #efe6d9;
  --highlight: #f7f1e8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(ellipse at 8% 0%, rgba(196, 91, 74, 0.1), transparent 42%),
    radial-gradient(ellipse at 92% 8%, rgba(46, 90, 107, 0.12), transparent 40%),
    linear-gradient(180deg, #f8f4ed, var(--paper));
  color: var(--ink);
  font-family: "IBM Plex Sans Thai", "IBM Plex Sans", sans-serif;
}

body {
  padding: 20px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 1.02rem;
  margin-bottom: 10px;
}

.eyebrow {
  color: var(--crimson);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.gate {
  display: block;
  max-width: 420px;
  margin: 12vh auto 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

body.locked {
  overflow: auto;
}

body.locked .gate {
  display: block !important;
}

body.locked #app {
  display: none !important;
}

.gate-card,
.panel,
.topbar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(46, 40, 37, 0.05);
}

.gate-card {
  width: min(420px, 100%);
  padding: 32px;
}

.gate-copy,
.hint,
.updated {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 8px;
}

form {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

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

select,
input {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 12px;
  background: #fff;
  color: var(--ink);
}

button {
  border: 0;
  border-radius: 999px;
  background: var(--navy);
  color: #fffaf5;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button.ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--line);
}

button:disabled {
  opacity: 0.6;
}

.error {
  color: var(--crimson);
}

#app {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

#app[hidden],
#gate[hidden] {
  display: none !important;
}

.topbar,
.filters,
.tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  padding: 18px 20px;
}

.inline {
  display: grid;
  gap: 4px;
  font-size: 0.82rem;
  color: var(--muted);
}

.banner {
  background: #f8efe3;
  border: 1px solid #ead7bb;
  color: #8a5a28;
  padding: 10px 14px;
  border-radius: 14px;
}

.tabs button {
  background: var(--highlight);
  color: var(--navy);
  border: 1px solid transparent;
}

.tabs button:hover {
  background: #fff;
  border-color: var(--line);
  filter: none;
}

.tabs button.active {
  background: var(--navy);
  color: #fffaf5;
}

.panel {
  padding: 16px;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  vertical-align: top;
}

th {
  background: var(--sand);
  color: var(--navy);
  font-weight: 600;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover {
  background: var(--highlight);
}

.th-map {
  min-height: 420px;
  position: relative;
  background: #e7efe9;
  border-radius: 16px;
  overflow: hidden;
}

.th-map svg {
  width: 100%;
  height: 420px;
}

.dot {
  cursor: pointer;
}

.legend {
  display: flex;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 8px;
}

dialog {
  border: 1px solid var(--line);
  border-radius: 16px;
  width: min(480px, 92vw);
  padding: 20px;
}

@media (max-width: 900px) {
  .layout,
  .topbar {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }
}