/* ————————————————————————————————————————————
   The Firefly Grove · gloomcore theme
   deep forest greens, firefly amber accents
———————————————————————————————————————————— */
:root {
  --bg-deep: #050906;
  --bg-main: #0a110c;
  --bg-surface: #0f1811;
  --bg-elevated: #152017;
  --text-primary: #b4c0b6;
  --text-secondary: #83937f; /* ≥4.5:1 on the dark surfaces (AA small text) */
  --text-dim: #8b9b8d;       /* used for small print — keep it readable */
  --accent: #5a7a6b;
  --accent-hover: #6d9480;
  --accent-glow: rgba(90, 122, 107, .2);
  --accent-border: rgba(90, 122, 107, .32);
  --wisp: #7ea0b8;
  --ember: #ffd97a;
  --ember-soft: rgba(255, 217, 122, .16);
  --parchment: #eae8d8;
  --parchment-dim: #dbd6c1;
  --radius: 12px;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Quicksand', 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* the hidden attribute must beat author display values (display:flex etc.) */
[hidden] { display: none !important; }

html { color-scheme: dark; }

body {
  background:
    radial-gradient(1200px 700px at 75% -10%, rgba(109, 148, 128, .08), transparent 60%),
    radial-gradient(1000px 800px at 10% 110%, rgba(90, 122, 107, .11), transparent 55%),
    var(--bg-main);
  color: var(--text-primary);
  font-family: var(--sans);
  letter-spacing: .04em;
  min-height: 100vh;
  overflow-x: hidden;
}

/* particles + fog live behind everything */
#dust { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
/* softness lives in the gradient itself — a blur filter here would cost a
   full extra composited layer texture on mobile GPUs */
.fog {
  position: fixed; inset: -8%; z-index: 0; pointer-events: none; opacity: .55;
  background: radial-gradient(50% 40% at 50% 48%, rgba(120, 165, 135, .055) 0%, rgba(120, 165, 135, .03) 45%, transparent 72%);
  animation: fog-drift 46s ease-in-out infinite alternate;
}
@keyframes fog-drift {
  from { transform: translate(-3%, -2%) scale(1); }
  to   { transform: translate(3%, 2%) scale(1.1); }
}

header, main, footer { position: relative; z-index: 1; }

/* ——— header ——— */
.site-head { text-align: center; padding: 46px 16px 10px; }
.site-head h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  letter-spacing: .12em;
  color: #d9e0d9;
  text-shadow: 0 0 26px rgba(255, 217, 122, .18), 0 0 60px rgba(109, 148, 128, .14);
  margin: 0 0 .35em;
}
.sub { color: var(--text-secondary); font-size: .95rem; line-height: 1.7; }

/* ——— layout ——— */
.maker {
  display: grid;
  grid-template-columns: minmax(300px, 480px) minmax(320px, 560px);
  gap: 34px;
  justify-content: center;
  align-items: start;
  padding: 30px 20px 60px;
  max-width: 1180px;
  margin: 0 auto;
}

/* ——— preview ——— */
.preview-panel { position: sticky; top: 18px; display: flex; flex-direction: column; gap: 14px; }

.lantern {
  position: relative;
  border: 1px solid var(--accent-border);
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(180deg, rgba(21, 32, 23, .8), rgba(10, 17, 12, .92));
  box-shadow:
    0 0 0 1px rgba(5, 9, 6, .8),
    0 18px 50px rgba(0, 0, 0, .5),
    inset 0 0 60px rgba(5, 9, 6, .55),
    0 0 46px var(--accent-glow);
  padding: 14px;
}

.float-wrap { animation: bob 7s ease-in-out infinite; will-change: transform; }
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-9px) rotate(.5deg); }
}

#preview {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}
/* subtle dark checker to hint transparency */
#preview.alpha-grid {
  background:
    repeating-conic-gradient(rgba(180, 192, 182, .05) 0% 25%, transparent 0% 50%)
    0 0 / 28px 28px,
    rgba(5, 9, 6, .35);
}

.veil {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(10, 17, 12, .88);
  border-radius: calc(var(--radius) + 6px);
  font-family: var(--serif); font-style: italic; letter-spacing: .18em;
  color: var(--text-primary);
  text-align: center; padding: 0 18px;
  transition: opacity .6s ease, visibility 0s .6s;
}
/* visibility (not just opacity) so it leaves the accessibility tree too */
.veil.hide { opacity: 0; visibility: hidden; pointer-events: none; }

.preview-tools { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

.tool-btn {
  font-family: var(--sans); font-size: .85rem; letter-spacing: .08em;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  padding: 9px 18px;
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease, transform .15s ease;
  display: inline-flex; align-items: center; gap: 8px;
}
.tool-btn:hover { border-color: var(--accent-hover); box-shadow: 0 0 18px var(--accent-glow); transform: translateY(-1px); }
.tool-btn .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--text-secondary);
  transition: background .2s ease, box-shadow .2s ease;
}
.tool-btn.is-on .dot { background: var(--ember); box-shadow: 0 0 10px var(--ember), 0 0 22px rgba(255, 217, 122, .5); }

/* ——— confirmation dialog ——— */
.grove-dialog {
  margin: auto;
  max-width: min(400px, calc(100vw - 40px));
  padding: 26px 26px 22px;
  color: var(--text-primary);
  background: linear-gradient(180deg, rgba(21, 32, 23, .97), rgba(10, 17, 12, .99));
  border: 1px solid var(--accent-border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, .55), 0 0 40px var(--accent-glow);
  letter-spacing: .04em;
}
.grove-dialog::backdrop {
  background: rgba(5, 9, 6, .62);
  backdrop-filter: blur(3px);
}
.grove-dialog h2 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: .1em;
  color: #d9e0d9;
  margin-bottom: .5em;
}
.grove-dialog p { font-size: .9rem; line-height: 1.65; color: var(--text-primary); }
.dialog-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin-top: 20px; }
.warn-confirm { border-color: rgba(255, 217, 122, .5); color: var(--ember); }
.warn-confirm:hover { border-color: var(--ember); box-shadow: 0 0 18px rgba(255, 217, 122, .25); }

.export-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.big-btn {
  font-family: var(--sans); font-weight: 600; font-size: .95rem; letter-spacing: .06em;
  color: #e4e6d8;
  background: linear-gradient(180deg, #1c2a20, var(--bg-elevated));
  border: 1px solid var(--accent-border);
  border-radius: 9px;
  padding: 13px 22px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.big-btn small { font-weight: 400; opacity: .65; }
.big-btn:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--accent-hover); box-shadow: 0 6px 24px rgba(0, 0, 0, .4), 0 0 22px var(--accent-glow); }
.big-btn:disabled { opacity: .45; cursor: default; }
.glow-btn {
  border-color: rgba(255, 217, 122, .35);
  box-shadow: 0 0 26px rgba(255, 217, 122, .12);
}
.glow-btn:hover:not(:disabled) { border-color: rgba(255, 217, 122, .6); box-shadow: 0 6px 24px rgba(0, 0, 0, .4), 0 0 30px rgba(255, 217, 122, .25); }

.hint { text-align: center; font-size: .8rem; color: var(--ember); letter-spacing: .1em; }
.hint-status { min-height: 1.3em; } /* live region stays in the DOM; reserve its line */
.hint.subtle { color: var(--text-dim); }

/* ——— controls ——— */
.controls {
  background: linear-gradient(180deg, rgba(15, 24, 17, .88), rgba(10, 17, 12, .62));
  border: 1px solid rgba(90, 122, 107, .2);
  border-radius: calc(var(--radius) + 6px);
  padding: 18px;
  display: flex; flex-direction: column; gap: 18px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, .35);
}

.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tab {
  font-family: var(--sans); font-size: .84rem; letter-spacing: .07em;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.tab:hover { color: var(--text-primary); border-color: var(--accent-border); }
.tab.active {
  color: #e0e6df;
  background: var(--accent-glow);
  border-color: var(--accent-hover);
  box-shadow: 0 0 16px var(--accent-glow);
}

.variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 12px;
}

.variant {
  position: relative;
  border: 2px solid rgba(90, 122, 107, .28);
  border-radius: 10px;
  background: linear-gradient(160deg, var(--parchment), var(--parchment-dim));
  cursor: pointer;
  padding: 6px 4px 3px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease;
}
.variant:hover { transform: translateY(-2px); border-color: var(--accent-hover); box-shadow: 0 8px 20px rgba(0, 0, 0, .35); }
.variant.selected {
  border-color: var(--ember);
  box-shadow: 0 0 0 1px rgba(255, 217, 122, .4), 0 0 22px rgba(255, 217, 122, .25);
}
.variant img { width: 100%; aspect-ratio: 1; object-fit: contain; image-rendering: auto; pointer-events: none; }
.variant.is-bg img { border-radius: 6px; }
.variant .v-label {
  font-size: .68rem; letter-spacing: .05em;
  color: #4a4d3f;
  padding-bottom: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%;
}
.variant.none-card { justify-content: center; }
.variant.none-card .none-icon {
  width: 100%; aspect-ratio: 1;
  display: grid; place-items: center;
  font-size: 1.7rem; color: #66695a;
}

/* ——— colours ——— */
.colorbar { display: flex; flex-direction: column; gap: 10px; }
.colorbar.disabled { opacity: .35; pointer-events: none; }
.colorbar-title { font-family: var(--serif); font-style: italic; letter-spacing: .2em; color: var(--text-secondary); font-size: .95rem; }

.duo-toggle { display: flex; gap: 8px; }
.duo-chip, .stop-chip { display: inline-flex; align-items: center; gap: 8px; }
.dot-swatch {
  width: 14px; height: 14px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .4);
  background: #000;
  flex: 0 0 auto;
}
.chip.selected {
  color: var(--text-primary);
  border-color: var(--ember);
  box-shadow: 0 0 12px rgba(255, 217, 122, .2);
}

.grad-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.grad-stops { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dir-btns { display: flex; gap: 6px; }
.dir-btn {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid rgba(131, 147, 127, .4);
  border-radius: 8px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.dir-btn:hover { color: var(--text-primary); border-color: var(--accent-hover); }
.dir-btn.selected {
  color: var(--text-primary);
  border-color: var(--ember);
  box-shadow: 0 0 12px rgba(255, 217, 122, .2);
}
.arrow { display: inline-block; font-size: 1rem; line-height: 1; }
.arrow.rot90 { transform: rotate(90deg); }
.arrow.rot45 { transform: rotate(45deg); }
.arrow.ring {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid currentColor;
  box-shadow: inset 0 0 0 2px var(--bg-main);
  background: currentColor;
  background-clip: content-box;
  padding: 2px;
}

.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch {
  width: 32px; height: 32px; border-radius: 50%;
  /* ring bright enough that ink/charcoal swatches stay visible on the dark panel */
  border: 2px solid rgba(255, 255, 255, .32);
  box-shadow: 0 0 0 1px rgba(5, 9, 6, .65);
  cursor: pointer;
  transition: transform .12s ease, box-shadow .15s ease, border-color .15s ease;
}
.swatch:hover { transform: scale(1.16); border-color: rgba(255, 255, 255, .55); }
.swatch.selected {
  border-color: var(--ember);
  box-shadow: 0 0 0 2px rgba(255, 217, 122, .35), 0 0 14px rgba(255, 217, 122, .4);
  transform: scale(1.12);
}

.custom-color { display: flex; align-items: center; gap: 12px; }
.picker-wrap {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; color: var(--text-secondary); letter-spacing: .08em;
  cursor: pointer;
}
.picker-wrap input[type="color"] {
  width: 34px; height: 34px; border: 2px solid rgba(255,255,255,.2); border-radius: 50%;
  background: none; cursor: pointer; padding: 0;
}
.picker-wrap input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
.picker-wrap input[type="color"]::-webkit-color-swatch { border: none; border-radius: 50%; }
.picker-wrap input[type="color"]::-moz-color-swatch { border: none; border-radius: 50%; }

.chip {
  font-family: var(--sans); font-size: .78rem; letter-spacing: .08em;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid rgba(131, 147, 127, .4);
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}
.chip:hover { color: var(--text-primary); border-color: var(--accent-hover); }

/* ——— footer ——— */
.site-foot { text-align: center; padding: 26px 16px 40px; color: var(--text-dim); font-size: .8rem; letter-spacing: .12em; }
.site-foot a { color: var(--accent-hover); text-decoration: none; }
.site-foot a:hover { text-shadow: 0 0 12px var(--accent-glow); text-decoration: underline; }

/* ——— focus states ——— */
.tab:focus-visible, .variant:focus-visible, .swatch:focus-visible,
.tool-btn:focus-visible, .big-btn:focus-visible, .chip:focus-visible,
.dir-btn:focus-visible, .picker-wrap input:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
}

/* ——— responsive ——— */
@media (max-width: 860px) {
  .maker { grid-template-columns: minmax(0, 520px); gap: 22px; padding: 22px 14px 50px; }
  .preview-panel { position: static; }
  .site-head { padding-top: 32px; }
  .tabs {
    overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; scrollbar-width: thin;
    /* iOS shows no scrollbar — fade the right edge so the row reads as scrollable */
    -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 30px), transparent);
    mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 30px), transparent);
  }
  .tab { white-space: nowrap; flex: 0 0 auto; }
  .variant-grid { grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); }
  .swatch { width: 36px; height: 36px; }
}

/* ——— reduced motion ——— */
@media (prefers-reduced-motion: reduce) {
  .float-wrap { animation: none; }
  .fog { display: none; }
  * { transition-duration: .01ms !important; }
}