/* ============================================================
   BaanStory — design tokens (verbatim from design-spec.md)
   ============================================================ */
:root {
  /* Surfaces */
  --bg:             #fdfaf3;
  --surface:        #ffffff;
  --surface-2:      #f7efde;
  --surface-3:      #f0f6ed;

  /* Borders */
  --border:         #ede4d0;
  --border-2:       #d9cdb0;

  /* Ink */
  --fg:             #1d1a16;
  --fg-2:           #3a342b;
  --muted:          #6a6258;
  --muted-2:        #9a9082;

  /* Accent */
  --accent:         #7a2031;
  --accent-ink:     #5a151f;

  /* Gold (metadata-only) */
  --gold:           #a68945;
  --gold-ink:       #806820;

  /* Semantic */
  --state-past:     #6a6258;
  --state-cancelled:#7a2031;
  --state-gap:      #806820;
  --state-verified: #3a5a3a;

  /* Spacing — 8pt scale */
  --space-1:  4px;
  --space-2:  8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Radii — user override: 24px on cards everywhere */
  --radius-sm:  2px;
  --radius-md:  6px;
  --radius-lg: 24px;   /* cards, modals, large surfaces */
  --radius-card: 24px;

  /* Type stacks — Playfair substituted with IBM Plex Sans
     because "no serifs anywhere" overrides spec. IBM Plex Sans
     pairs natively with IBM Plex Sans Thai (same designer). */
  --font-display:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display-th: 'IBM Plex Sans Thai', 'Noto Sans Thai', sans-serif;
  --font-body:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body-th:    'IBM Plex Sans Thai', 'Noto Sans Thai', sans-serif;
  --font-mono:       'IBM Plex Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Very faint paper grain — tactile without becoming texture */
  background-image:
    radial-gradient(rgba(58, 52, 43, 0.045) 1px, transparent 1px),
    radial-gradient(rgba(58, 52, 43, 0.03) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
}

:lang(th) {
  font-family: var(--font-body-th);
  font-size: 1.08em;
  line-height: 1.45;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin: 0;
  text-wrap: balance;
}

h1:lang(th), h2:lang(th), h3:lang(th), h4:lang(th),
.display:lang(th) {
  font-family: var(--font-display-th);
  font-size: 1.12em;
  line-height: 1.3;
  letter-spacing: 0;
}

p { margin: 0; text-wrap: pretty; }

a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: var(--border-2);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: none;
}
a:hover {
  color: var(--accent-ink);
  text-decoration-color: var(--accent);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: 16px;
  color: var(--fg);
}

/* ============================================================
   Reusable atoms
   ============================================================ */

.kicker {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-ink);
}

.caption {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.dek {
  font-size: 18px;
  line-height: 1.5;
  color: var(--fg-2);
  text-wrap: pretty;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  user-select: none;
  text-decoration: none;
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent-ink); color: var(--bg); text-decoration: none; }

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--fg);
}
.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
  padding: 8px 12px;
  min-height: 36px;
}
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  text-decoration: none;
  color: inherit;
  display: block;
}
.card:hover { border-color: var(--border-2); text-decoration: none; color: inherit; }
.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Event card extras */
.event-card .card-go {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--fg);
  flex-shrink: 0;
}
.event-card:hover .card-go {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.event-card .card-stamp {
  position: absolute;
  top: 12px; right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px 5px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--state-verified);
  border-radius: 999px;
}

/* Editorial placeholder block (no stock photos) */
.placeholder {
  position: relative;
  width: 100%;
  background: var(--surface-2);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: grid;
  place-items: center;
  color: var(--muted);
}
.placeholder::before {
  /* hairline diagonal stripes — material-swatch feel */
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(135deg,
      transparent 0 14px,
      rgba(122, 32, 49, 0.07) 14px 15px);
}
.placeholder::after {
  /* subtle warm vignette so the glyph reads */
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(closest-side, rgba(247, 239, 222, 0.85), transparent 65%);
}
.placeholder .glyph {
  font-family: var(--font-display-th);
  font-weight: 600;
  font-size: clamp(56px, 14vw, 140px);
  color: var(--accent);
  opacity: 0.22;
  letter-spacing: -0.02em;
  line-height: 1;
  position: relative;
  z-index: 1;
  user-select: none;
}
.placeholder .label {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  z-index: 2;
}

/* Verified indicator */
.verified .label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-ink);
}
.verified .institution {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--fg-2);
  margin-top: 4px;
}
.verified .check {
  display: inline-block;
  width: 12px; height: 12px;
}

/* Source attribution */
.source-line {
  font-size: 13px;
  color: var(--muted);
}

/* HonestGap */
.gap {
  font-style: italic;
  color: var(--state-gap);
}

/* Section kicker counter */
.section-kicker {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-ink);
  margin-bottom: var(--space-3);
}

/* Page container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) {
  .container { padding: 0 48px; }
}

/* Section rhythm */
.section { padding: 48px 0; }
@media (min-width: 768px) { .section { padding: 80px 0; } }

/* Hide scrollbars on horizontal scrollers (cue rows) */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { scrollbar-width: none; }

/* Sticky header */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

/* Bottom nav (mobile <768) */
.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  background: color-mix(in oklab, var(--bg) 96%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding: 6px 12px calc(6px + env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.bottom-nav button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 4px;
  border-radius: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  min-height: 56px;
}
.bottom-nav button.active {
  color: var(--fg);
}
.bottom-nav button.active .bn-dot {
  background: var(--accent);
}
.bn-glyph {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  color: currentColor;
}
.bn-dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: transparent;
}
@media (min-width: 768px) {
  .bottom-nav { display: none; }
}

/* Layout helper to clear bottom nav on mobile */
.main-pad-bottom { padding-bottom: 96px; }
@media (min-width: 768px) { .main-pad-bottom { padding-bottom: 0; } }

/* Hero typography */
.hero-h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 6.5vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}
.hero-h1:lang(th) {
  font-family: var(--font-display-th);
  letter-spacing: 0;
  line-height: 1.15;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.hero-kicker-dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--accent);
  display: inline-block;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
@media (min-width: 768px) { .h3 { font-size: 26px; } }

/* Form */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label.fl {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
}
.field .helper {
  font-size: 13px;
  color: var(--muted);
}
.field .err {
  font-size: 13px;
  color: var(--accent-ink);
}
.input, .textarea, .select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  min-height: 44px;
  color: var(--fg);
  width: 100%;
  font-size: 15px;
}
.textarea { min-height: 120px; resize: vertical; }
.input:focus, .textarea:focus, .select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.input.invalid, .textarea.invalid, .select.invalid {
  border-color: var(--accent);
}

/* Checkbox */
.check-row { display: flex; gap: 10px; align-items: flex-start; }
.check-row input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--accent); }

/* Lifecycle/verified pill */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--fg-2);
  border: 1px solid var(--border);
}

/* Field row in Plan-your-visit */
.field-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  align-items: baseline;
}
.field-row:first-child { border-top: 0; }
.field-row .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.field-row .val {
  font-size: 15px;
  color: var(--fg);
}
@media (min-width: 768px) {
  .field-row { grid-template-columns: 140px 1fr; }
}

/* Editorial mark — small CSS-drawn motif */
.umbrella-motif {
  width: 100%; aspect-ratio: 16 / 11; position: relative;
  background: var(--surface-2);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.umbrella-motif::before, .umbrella-motif::after {
  content: "";
  position: absolute;
  left: 50%; top: 55%;
  width: 90%; aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background:
    repeating-conic-gradient(
      from 0deg at 50% 50%,
      transparent 0deg 14deg,
      rgba(122, 32, 49, 0.10) 14deg 15deg
    );
}
.umbrella-motif::after {
  width: 78%;
  background:
    repeating-conic-gradient(
      from 7.5deg at 50% 50%,
      transparent 0deg 14deg,
      rgba(166, 137, 69, 0.16) 14deg 15deg
    );
}
.umbrella-motif .core {
  position: absolute; left: 50%; top: 55%;
  width: 12px; height: 12px;
  transform: translate(-50%, -50%);
  background: var(--accent);
  border-radius: 999px;
  z-index: 2;
}

/* Moment card */
.moment {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  text-align: left;
  width: 100%;
  display: block;
}
.moment:hover { border-color: var(--border-2); }
.moment .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-ink);
}
.moment h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  margin-top: 8px;
  letter-spacing: -0.01em;
}
.moment .body {
  margin-top: 10px;
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.55;
}
.moment .expand {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Sources block */
.sources li { list-style: none; padding: 10px 0; border-top: 1px solid var(--border); font-size: 14px; color: var(--fg-2); }
.sources li:first-child { border-top: 0; }
.sources ul { padding: 0; margin: 0; }

/* Anti-fade focus on cards / clickable rows */
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Tweaks hide-when-off (handled by panel itself) */