:root {
  --bg: #070b14;
  --bg-2: #0b1220;
  --panel: #0e1729;
  --panel-2: #121d33;
  --border: #1e2b45;
  --border-2: #27364f;
  --ink: #e6edf7;
  --muted: #8fa3bf;
  --dim: #64748b;
  --accent: #38bdf8;
  --accent-2: #34d399;
  --accent-dim: #0ea5e9;
  --warn: #fbbf24;
  --warn-bg: #2a2110;
  --warn-bd: #5c4a15;
  --danger: #f97316;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: 'Sarabun', 'Noto Sans Thai', system-ui, sans-serif;
  background:
    radial-gradient(1100px 600px at 12% -8%, #10243d 0%, transparent 60%),
    radial-gradient(900px 500px at 92% 0%, #0d2b2a 0%, transparent 55%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); }

/* ---------------- topbar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.75rem 1.25rem;
  background: rgba(8, 13, 24, .88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 0.7rem; flex: 0 0 auto; }

/* --- gold wordmark with a light sweeping across it --- */
.gold-text, .brand-title, .brand-en {
  background-image: linear-gradient(100deg,
    #7a5c12 0%, #a8811d 14%, #d4af37 28%,
    #f6d365 40%, #fffbe6 48%, #f6d365 56%,
    #d4af37 70%, #a8811d 86%, #7a5c12 100%);
  background-size: 260% 100%;
  background-position: 140% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: goldSweep 4.6s ease-in-out infinite;
}

@keyframes goldSweep {
  0%   { background-position: 140% 0; }
  45%  { background-position: -45% 0; }
  100% { background-position: -45% 0; }
}

.brand-title {
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: .45px;
  line-height: 1.25;
  filter: drop-shadow(0 1px 7px rgba(212, 175, 55, .3));
}
.brand-sub { font-size: .74rem; color: var(--muted); line-height: 1.25; }

.logo-svg { filter: drop-shadow(0 2px 9px rgba(212, 175, 55, .28)); }
.logo-lg { filter: drop-shadow(0 3px 16px rgba(212, 175, 55, .38)); }

/* light glinting across the badge, in sync with the wordmark sweep */
.shine-g { animation: shineSweep 4.6s ease-in-out infinite; }
@keyframes shineSweep {
  0%   { transform: translateX(0); }
  45%  { transform: translateX(86px); }
  100% { transform: translateX(86px); }
}

@media (prefers-reduced-motion: reduce) {
  .gold-text, .brand-title, .brand-en { animation: none; background-position: 48% 0; }
  .shine-g { display: none; }
}

.search-wrap { position: relative; flex: 1 1 auto; max-width: 520px; margin: 0 auto; }
.search-ico {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--dim); font-size: 1.05rem;
}
#search-input {
  width: 100%;
  font-family: inherit; font-size: .92rem;
  padding: .6rem .9rem .6rem 2.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: var(--panel);
  color: var(--ink);
}
#search-input:focus { outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 3px rgba(56,189,248,.12); }
#search-input::placeholder { color: var(--dim); }

.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  max-height: 320px; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--border-2);
  border-radius: 12px; box-shadow: var(--shadow); padding: .3rem;
}
.sr-item {
  padding: .5rem .7rem; border-radius: 8px; cursor: pointer; font-size: .88rem;
}
.sr-item:hover, .sr-item.active { background: var(--panel-2); }
.sr-item b { color: var(--accent); font-weight: 600; }
.sr-item span { color: var(--muted); font-size: .8rem; display: block; }
.sr-empty { padding: .8rem; color: var(--dim); font-size: .85rem; text-align: center; }

.topbar-actions { display: flex; gap: .5rem; flex: 0 0 auto; }

/* ---------------- buttons ---------------- */
.btn-primary, .btn-ghost {
  font-family: inherit; font-size: .88rem; font-weight: 600;
  padding: .55rem 1.05rem; border-radius: 999px;
  cursor: pointer; transition: all .15s ease;
  border: 1px solid transparent; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
}
.btn-primary {
  background: linear-gradient(95deg, var(--accent-dim), var(--accent-2));
  color: #04121d;
}
.btn-primary:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn-ghost {
  background: var(--panel); color: var(--ink); border-color: var(--border-2);
}
.btn-ghost:hover { background: var(--panel-2); border-color: var(--accent-dim); }
.btn-block { width: 100%; }

/* ---------------- layout ---------------- */
.layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr) 380px;
  gap: 1rem;
  padding: 1rem 1.25rem;
  align-items: start;
}

.panel { min-width: 0; }
.panel-left, .panel-right { display: flex; flex-direction: column; gap: 1rem; position: sticky; top: 74px; max-height: calc(100vh - 90px); overflow-y: auto; }

.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.05rem 1.1rem;
  box-shadow: var(--shadow);
}
.card-accent { border-color: rgba(56,189,248,.28); }
.card-title {
  margin: 0 0 .85rem; font-size: .95rem; font-weight: 700;
  color: var(--ink); display: flex; align-items: center; gap: .45rem;
}
.ct-ico { font-size: 1rem; }
.card-desc { margin: -.4rem 0 1rem; font-size: .8rem; color: var(--muted); }

/* ---------------- form fields ---------------- */
.field { display: flex; flex-direction: column; gap: .35rem; margin-bottom: .85rem; }
.field:last-child { margin-bottom: 0; }
.field label { font-size: .78rem; font-weight: 600; color: var(--muted); }
.field .req { color: var(--danger); }
.field .hint { color: var(--dim); font-weight: 400; }
.field-row { display: flex; gap: .7rem; }
.field-row .field { flex: 1; }
.field-inline { flex-direction: row; align-items: center; gap: .7rem; }
.field-inline label { flex: 0 0 auto; }
.field-inline input[type=range] { flex: 1; accent-color: var(--accent); }

select, input[type=text], textarea {
  font-family: inherit; font-size: .88rem;
  padding: .55rem .65rem;
  border-radius: 9px;
  border: 1px solid var(--border-2);
  background: var(--bg-2);
  color: var(--ink);
  width: 100%;
}
select:focus, input[type=text]:focus, textarea:focus {
  outline: none; border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(56,189,248,.12);
}
select:disabled { color: var(--dim); background: #0a1120; }
textarea { resize: vertical; line-height: 1.55; }
::placeholder { color: var(--dim); }

#pb-output { font-size: .82rem; background: #08101d; border-color: var(--border-2); }

/* ---------------- switches ---------------- */
.switch {
  display: flex; align-items: flex-start; gap: .65rem;
  padding: .55rem 0; cursor: pointer;
}
.switch + .switch { border-top: 1px solid var(--border); }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.sw-track {
  flex: 0 0 auto; width: 34px; height: 19px; border-radius: 999px;
  background: #24334c; border: 1px solid var(--border-2);
  position: relative; transition: background .18s ease; margin-top: 3px;
}
.sw-thumb {
  position: absolute; top: 2px; left: 2px;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--dim); transition: all .18s ease;
}
.switch input:checked + .sw-track { background: rgba(56,189,248,.28); border-color: var(--accent-dim); }
.switch input:checked + .sw-track .sw-thumb { left: 17px; background: var(--accent); }
.sw-label b { display: block; font-size: .82rem; font-weight: 600; }
.sw-label i { display: block; font-size: .72rem; color: var(--dim); font-style: normal; line-height: 1.4; }
.sw-label .warn-i { color: #a98a3d; }

.mini-check {
  display: flex; align-items: center; gap: .5rem;
  font-size: .8rem; color: var(--muted); margin-bottom: .85rem; cursor: pointer;
}
.mini-check input { accent-color: var(--accent); width: 15px; height: 15px; }

/* ---------------- legend card ---------------- */
.card-legend .lg-row {
  display: flex; align-items: center; gap: .55rem;
  font-size: .8rem; color: var(--muted); padding: .22rem 0;
}
.lg-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--danger); box-shadow: 0 0 0 2px rgba(249,115,22,.2); }
.lg-line { width: 20px; height: 0; border-top: 2px solid var(--accent); }
.lg-dash { width: 20px; height: 0; border-top: 2px dashed #7c8aa3; }

/* ---------------- center map ---------------- */
.panel-center {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.15rem;
  box-shadow: var(--shadow);
}

.map-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; margin-bottom: .9rem; }
#map-title { margin: 0; font-size: 1.35rem; font-weight: 700; color: var(--ink); }
#map-subtitle { margin: .15rem 0 0; font-size: .84rem; color: var(--muted); }

.map-stats { display: flex; gap: .6rem; }
.stat {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 11px; padding: .5rem .9rem; text-align: center; min-width: 88px;
}
.stat b { display: block; font-size: 1.25rem; color: var(--accent); line-height: 1.2; }
.stat span { font-size: .72rem; color: var(--muted); }

.status {
  margin-bottom: .8rem; padding: .65rem .9rem; border-radius: 10px;
  background: var(--warn-bg); border: 1px solid var(--warn-bd);
  color: var(--warn); font-size: .85rem;
}

.canvas-shell {
  background: #060b14;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .7rem;
  overflow-x: auto;
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
}
#map-canvas { display: block; max-width: 100%; height: auto; border-radius: 8px; }

.canvas-empty { text-align: center; color: var(--dim); padding: 3.5rem 1rem; }
.ce-ico { font-size: 2.6rem; opacity: .5; margin-bottom: .4rem; }
.canvas-empty p { margin: 0; font-size: .9rem; }

#map-canvas { cursor: grab; touch-action: none; }
#map-canvas.grabbing { cursor: grabbing; }
#map-canvas.pointing { cursor: pointer; }

.map-toolbar {
  margin-top: .9rem; display: flex; align-items: center; gap: .7rem; flex-wrap: wrap;
}
.toolbar-note { font-size: .82rem; color: var(--muted); }

.zoom-group {
  display: flex; align-items: center; gap: .15rem;
  background: var(--bg-2); border: 1px solid var(--border-2);
  border-radius: 999px; padding: .2rem;
}
.btn-icon {
  width: 28px; height: 28px; border-radius: 50%;
  border: none; background: transparent; color: var(--ink);
  font-size: 1.15rem; font-weight: 700; line-height: 1;
  cursor: pointer; font-family: inherit;
  display: flex; align-items: center; justify-content: center;
}
.btn-icon:hover { background: var(--panel-2); color: var(--accent); }
.zoom-level {
  font-size: .76rem; color: var(--muted); min-width: 44px; text-align: center;
  font-variant-numeric: tabular-nums;
}
.btn-sm { padding: .35rem .8rem; font-size: .78rem; }

.map-hint {
  margin-top: .6rem; display: flex; flex-wrap: wrap; gap: .3rem .9rem;
  font-size: .75rem; color: var(--dim);
}
.map-hint b { color: var(--muted); font-weight: 600; }

.sel-chip {
  margin-top: .7rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap;
  background: rgba(251,146,60,.09);
  border: 1px solid rgba(251,146,60,.35);
  border-radius: 12px; padding: .6rem .9rem;
}
.sel-main { display: flex; align-items: center; gap: .7rem; }
.sel-num {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%;
  background: var(--danger); color: #1a0e04;
  font-size: .8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.sel-main b { display: block; font-size: .9rem; }
.sel-main i { display: block; font-style: normal; font-size: .75rem; color: var(--muted); }

/* ---------------- prompt builder ---------------- */
.pb-empty {
  padding: 1.6rem 1rem; text-align: center;
  font-size: .85rem; color: var(--dim);
  border: 1px dashed var(--border-2); border-radius: 11px;
}
.pb-actions { display: flex; flex-direction: column; gap: .5rem; }
.pb-note {
  margin: .8rem 0 0; font-size: .74rem; color: var(--dim);
  line-height: 1.55; padding-top: .7rem; border-top: 1px solid var(--border);
}

/* ---------------- modal ---------------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(3, 7, 15, .82);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  overflow-y: auto;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: linear-gradient(180deg, #101a2d, var(--bg-2));
  border: 1px solid var(--border-2);
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(0,0,0,.6);
  max-width: 620px; width: 100%;
  padding: 1.9rem 1.9rem 1.6rem;
  margin: auto;
}
.modal-logo { text-align: center; margin-bottom: .7rem; }
.modal h2 {
  margin: 0 0 .3rem; text-align: center; font-size: 1.5rem;
  color: var(--ink); font-weight: 700;
}
.brand-en {
  display: block; font-size: .98rem; font-weight: 700; letter-spacing: 1.1px;
  margin-top: .15rem;
  filter: drop-shadow(0 1px 8px rgba(212, 175, 55, .32));
}
.modal-lead { margin: 0 0 1.3rem; text-align: center; color: var(--muted); font-size: .89rem; }

.modal-points { display: flex; flex-direction: column; gap: .8rem; margin-bottom: 1.2rem; }
.mp { display: flex; gap: .8rem; align-items: flex-start; }
.mp-ico {
  flex: 0 0 auto; font-size: 1.05rem;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--panel-2); border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
}
.mp b { font-size: .88rem; }
.mp p { margin: .1rem 0 0; font-size: .8rem; color: var(--muted); line-height: 1.5; }

.modal-warn {
  background: var(--warn-bg); border: 1px solid var(--warn-bd);
  border-radius: 12px; padding: .85rem 1rem; margin-bottom: 1.1rem;
}
.modal-warn b { color: var(--warn); font-size: .85rem; }
.modal-warn ul { margin: .45rem 0 0; padding-left: 1.1rem; }
.modal-warn li { font-size: .79rem; color: #d8c48c; line-height: 1.6; margin-bottom: .25rem; }
.modal-warn li b { color: #fcd34d; }

.modal-check {
  display: flex; align-items: center; gap: .5rem;
  font-size: .82rem; color: var(--muted); margin-bottom: .9rem; cursor: pointer;
}
.modal-check input { accent-color: var(--accent); width: 15px; height: 15px; }

/* ---------------- toast ---------------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 300;
  background: var(--panel-2); border: 1px solid var(--accent-dim);
  color: var(--ink); font-size: .88rem; font-weight: 600;
  padding: .7rem 1.3rem; border-radius: 999px; box-shadow: var(--shadow);
}
.toast[hidden] { display: none; }

/* ---------------- footer ---------------- */
.sitefoot {
  padding: 1.2rem 1.5rem 2rem; text-align: center;
  font-size: .76rem; color: var(--dim); line-height: 1.7;
}

/* ---------------- responsive ---------------- */
@media (max-width: 1240px) {
  .layout { grid-template-columns: 260px minmax(0, 1fr); }
  .panel-right { grid-column: 1 / -1; position: static; max-height: none; }
}
@media (max-width: 880px) {
  .topbar { flex-wrap: wrap; gap: .7rem; }
  .search-wrap { order: 3; max-width: none; flex-basis: 100%; margin: 0; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .panel-left { position: static; max-height: none; }
  .map-head { flex-direction: column; }
}