:root {
  --bg: #0b0716;
  --bg2: #140b28;
  --panel: #150e29;
  --panel2: #1c1336;
  --line: rgba(170, 150, 235, 0.18);
  --text: #f3f0ff;
  --muted: #a99fc9;
  --cyan: #28e1ff;
  --pink: #ff46aa;
  --gold: #ffbe3c;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 70% -10%, #2a1150 0%, transparent 60%), linear-gradient(180deg, var(--bg2), var(--bg) 40%);
  background-color: var(--bg);
  color: var(--text);
  font: 15px/1.45 var(--font);
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--cyan); }
h2 {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 18px 0 10px;
}
.small { font-size: 13px; }
.muted { color: var(--muted); }
svg { width: 20px; height: 20px; fill: currentColor; flex: none; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: max(10px, env(safe-area-inset-top)) 16px 10px;
  background: rgba(11, 7, 22, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 8px; text-decoration: none; color: var(--text); }
.logo {
  font-weight: 800; letter-spacing: 0.22em; font-size: 18px;
  color: #eaffff;
  text-shadow: 0 0 6px rgba(40, 225, 255, 0.9), 0 0 18px rgba(40, 225, 255, 0.5);
}
.tag { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
@media (max-width: 430px) { .tag { font-size: 10px; letter-spacing: 0.1em; } .logo { font-size: 16px; letter-spacing: 0.18em; } }

/* ---------- buttons ---------- */
.btn {
  appearance: none; border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  font: 600 14px/1 var(--font); border-radius: 999px; padding: 10px 14px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 40px; text-decoration: none; user-select: none; -webkit-user-select: none;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.08s;
}
.btn:hover { border-color: rgba(170, 150, 235, 0.45); }
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.btn[aria-pressed="true"] {
  background: rgba(40, 225, 255, 0.14); border-color: var(--cyan); color: #dffbff;
  box-shadow: 0 0 12px rgba(40, 225, 255, 0.25) inset;
}
.btn.icon { width: 40px; padding: 0; border-radius: 12px; }
.btn.icon.sm { width: 34px; min-height: 34px; font-size: 18px; }
.btn.pill.pink, .cta-mini {
  background: linear-gradient(180deg, #ff5bb6, #e0338f); border-color: transparent; color: #fff;
  box-shadow: 0 0 18px rgba(255, 70, 170, 0.35);
}
.cta-mini { font-size: 13px; padding: 8px 14px; min-height: 36px; white-space: nowrap; }
.btn.chip { border-radius: 10px; padding: 7px 11px; min-height: 34px; font-size: 13px; }
.btn.chip svg { width: 16px; height: 16px; }
.btn.big { border-radius: var(--radius); padding: 16px; flex: 1; font-size: 15px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--line); }
.btn:disabled:active { transform: none; }
.linkbtn { all: unset; color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; cursor: pointer; }
.linkbtn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }
.max-off { margin-top: 10px; }
/* the hidden attribute must win over display rules such as .btn's inline-flex */
[hidden] { display: none !important; }
#btnMic.live { border-color: var(--pink); color: #ffd6ec; box-shadow: 0 0 16px rgba(255, 70, 170, 0.45); }
#btnMic.live svg { animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.45; } }

/* ---------- layout ---------- */
.app { display: grid; gap: 14px; padding: 12px 12px 0; max-width: 1280px; margin: 0 auto; }
.stage { position: relative; }
.view3d {
  position: relative; width: 100%; aspect-ratio: 1 / 1; max-height: 56vh;
  border-radius: var(--radius); overflow: hidden; background: #05030b;
  border: 1px solid var(--line);
  touch-action: none;
}
.view3d canvas { display: block; width: 100%; height: 100%; }
.view3d canvas.flat { height: auto; margin-top: 30%; }
.loading {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--muted); font-size: 14px; letter-spacing: 0.06em;
}
.view-wrap { position: relative; }   /* buttons and head picker sit on the 3D view, whatever is written under it */
.stage-bar {
  position: absolute; left: 10px; right: 10px; bottom: 10px;
  display: flex; gap: 8px; justify-content: center; pointer-events: none;
}
.stage-bar .btn { pointer-events: auto; background: rgba(28, 19, 54, 0.82); backdrop-filter: blur(6px); }
.stage-bar .btn.pink { background: linear-gradient(180deg, #ff5bb6, #e0338f); }
.hint { margin: 6px 0 0; text-align: center; font-size: 12px; color: var(--muted); }
/* head picker over the 3D view, credit line under it */
.head-pick { position: absolute; top: 10px; left: 10px; z-index: 2; }
.head-pick select {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background: rgba(28, 19, 54, 0.82) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23f3f0ff' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 12px center / 10px 7px;
  backdrop-filter: blur(6px); color: var(--text); border: 1px solid var(--line); border-radius: 999px;
  font: 600 13px/1 var(--font); padding: 9px 32px 9px 13px; min-height: 36px; max-width: calc(100vw - 48px);
}
.head-pick select:focus-visible { outline: 2px solid #28e1ff; outline-offset: 2px; }
.head-pick option { background: #1c1336; color: var(--text); }
.credit { margin: 3px 0 0; text-align: center; font-size: 11px; line-height: 1.35; color: var(--muted); }
.credit a { color: inherit; }

/* the SNOOTRIX board in one line, under the 3D head (idea 27) */
.riga {
  margin: 10px 0 0; padding: 11px 12px 12px 14px;
  border: 1px solid transparent; border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(38, 19, 62, 0.97), rgba(19, 12, 40, 0.97)) padding-box,
    linear-gradient(110deg, rgba(255, 70, 170, 0.75), rgba(40, 225, 255, 0.6)) border-box;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35), 0 0 18px rgba(255, 70, 170, 0.1);
}
.riga-x {
  float: right; width: 34px; height: 34px; margin: -7px -7px 2px 6px; padding: 0;
  display: grid; place-items: center; border: 0; border-radius: 50%;
  background: none; color: var(--muted); cursor: pointer;
}
.riga-x svg { width: 15px; height: 15px; }
.riga-x:hover { color: var(--text); background: rgba(170, 150, 235, 0.14); }
.riga-x:focus-visible { outline: 2px solid var(--cyan); outline-offset: 0; }
.riga-tag {
  margin: 0 0 4px; font-size: 10.5px; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase;
  color: #bff6ff; text-shadow: 0 0 6px rgba(40, 225, 255, 0.75);
}
.riga-text { margin: 0 0 10px; font-size: 14.5px; line-height: 1.4; color: #f1ecff; text-wrap: pretty; }
.riga-act { clear: both; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; }
.riga-cta { padding: 9px 17px; min-height: 38px; font-size: 14px; }
.riga-fine { flex: 1 1 130px; font-size: 12px; line-height: 1.3; color: var(--muted); }
.riga-text.swap { animation: riga-in 0.45s ease-out; }
.riga.mic { box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35), 0 0 24px rgba(255, 70, 170, 0.3); animation: riga-glow 1.8s ease-out; }
@keyframes riga-in { from { opacity: 0; transform: translateY(4px); } }
@keyframes riga-glow { 30% { box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35), 0 0 38px rgba(255, 70, 170, 0.65); } }
/* Tally's waitlist popup on phones: wider and taller than Tally's own (100% - 40 px, 70% of the height), so more of
   the list shows, as on its page */
@media (max-width: 576px) {
  .tally-popup { max-width: calc(100% - 24px) !important; }
  .tally-popup iframe { max-height: 84vh !important; max-height: 84dvh !important; }
}

.panel {
  background: rgba(21, 14, 41, 0.86); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px 14px;
}
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: -2px -4px 10px; padding: 0 0 8px; }
.tabs button {
  flex: 1; appearance: none; background: none; border: 0; color: var(--muted);
  font: 700 13px/1 var(--font); letter-spacing: 0.12em; text-transform: uppercase;
  padding: 10px 4px; border-radius: 10px; cursor: pointer;
}
.tabs button[aria-selected="true"] { color: var(--text); background: rgba(170, 150, 235, 0.12); }

/* ---------- draw tab ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.toolbar .group { display: flex; gap: 6px; }
.brush i { display: block; width: var(--d); height: var(--d); background: currentColor; border-radius: 2px; }
.palette { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.palette button {
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer; padding: 0;
  border: 2px solid transparent; background: var(--sw);
  box-shadow: 0 0 10px color-mix(in srgb, var(--sw) 55%, transparent);
}
.palette button[aria-pressed="true"] { border-color: #fff; transform: scale(1.12); }
.grid-head { display: flex; gap: 6px; align-items: center; margin-bottom: 8px; }
.spacer { flex: 1; }
.grid-wrap { width: 100%; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: #07050d; }
.grid { display: block; touch-action: none; cursor: crosshair; }

/* ---------- faces ---------- */
.faces { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.face-card {
  appearance: none; border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  border-radius: 12px; padding: 8px; cursor: pointer; display: flex; flex-direction: column; gap: 6px;
  font: 600 13px/1.2 var(--font); text-align: left; position: relative;
}
.face-card canvas { width: 100%; height: auto; border-radius: 6px; image-rendering: pixelated; }
.face-card:hover { border-color: rgba(40, 225, 255, 0.5); }
.face-card.saved { padding: 0; }
.face-card.saved .load { all: unset; display: flex; flex-direction: column; gap: 6px; padding: 8px; cursor: pointer; }
.face-card .del {
  position: absolute; top: 4px; right: 4px; width: 26px; height: 26px; border-radius: 50%;
  border: 0; background: rgba(0, 0, 0, 0.6); color: #fff; cursor: pointer; font-size: 16px; line-height: 1;
}
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

/* ---------- effects ---------- */
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button {
  appearance: none; flex: 1 1 auto; border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  font: 600 13px/1.2 var(--font); padding: 10px 12px; border-radius: 10px; cursor: pointer; min-height: 40px;
}
.seg button[aria-pressed="true"] { border-color: var(--cyan); background: rgba(40, 225, 255, 0.14); }
.slider { display: grid; gap: 6px; margin: 14px 0 4px; font-size: 13px; color: var(--muted); }
input[type="range"] { width: 100%; accent-color: var(--cyan); }
.switch { display: flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; }
.switch input { width: 20px; height: 20px; accent-color: var(--cyan); }

/* ---------- share ---------- */
.share-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.share-buttons .btn.big { flex: 1 1 calc(33% - 10px); min-width: 0; }   /* a fourth button (MAX7219) wraps instead of overflowing on phones */
.cta-card {
  margin-top: 18px; padding: 16px; border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 70, 170, 0.16), rgba(40, 225, 255, 0.1));
  border: 1px solid rgba(255, 70, 170, 0.35);
}
.cta-card h2 { color: #ffd1ea; margin-top: 0; }
.cta-card p { margin: 0 0 14px; font-size: 14px; }

/* ---------- about ---------- */
.about { max-width: 760px; margin: 22px auto 0; padding: 0 18px 40px; color: var(--muted); font-size: 14px; }
.about .links a { color: var(--cyan); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); transform: translate(-50%, 30px);
  background: rgba(28, 19, 54, 0.96); border: 1px solid var(--line); color: var(--text);
  padding: 11px 16px; border-radius: 12px; font-size: 14px; max-width: calc(100vw - 32px);
  opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; z-index: 20;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- wide screens: preview and editor side by side ---------- */
@media (min-width: 900px) {
  .app { grid-template-columns: minmax(0, 1.1fr) minmax(420px, 0.9fr); align-items: start; padding-top: 18px; }
  .stage { position: sticky; top: 72px; }
  .view3d { aspect-ratio: 4 / 3.4; max-height: calc(100vh - 140px); }
  .stage.with-riga .view3d { max-height: calc(100vh - 236px); }   /* the line under the head stays in the window */
  /* the line in two columns: words on the left, the button on the right */
  .riga { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 20px; align-items: center; padding: 12px 46px 12px 16px; }
  .riga-x { position: absolute; top: 6px; right: 6px; margin: 0; float: none; }
  .riga-tag, .riga-text, .riga-fine { grid-column: 1; }
  .riga-text { margin: 0; }
  .riga-act { display: contents; }
  .riga-cta { grid-column: 2; grid-row: 1 / span 3; }
  .riga-fine { margin-top: 5px; }
}
@media (max-width: 380px) {
  .tag { display: none; }
  .palette button { width: 28px; height: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}