:root {
  --bg: #f4f0e8;
  --paper: #fffdf8;
  --ink: #16140f;
  --muted: #6d675c;
  --line: #e1dacd;
  --accent: #ff4d1f;
  --accent-ink: #ffffff;
  --ok: #1f8a4c;
  --radius: 18px;
  --display: 'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
  --body: 'Instrument Sans', ui-sans-serif, system-ui, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
[hidden] { display: none !important; }

.test-banner {
  background: var(--ink); color: #f4f0e8; text-align: center;
  font-size: 13px; padding: 7px 16px; letter-spacing: .01em;
}

/* Header */
.top {
  max-width: 1180px; margin: 0 auto; padding: 22px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; font: 700 18px var(--display); color: var(--ink); text-decoration: none; }
.logo-mark {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  background: var(--accent); color: var(--accent-ink); font-size: 13px; letter-spacing: -.02em;
}
.credits {
  font-size: 14px; font-weight: 600; padding: 8px 14px; border-radius: 999px;
  background: var(--paper); border: 1px solid var(--line); white-space: nowrap;
}

main { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* Hero */
.hero { padding: 48px 0 40px; max-width: 860px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 600; color: var(--muted); margin: 0 0 18px; }
h1 {
  font: 800 clamp(48px, 9vw, 104px)/.92 var(--display);
  letter-spacing: -.045em; margin: 0 0 22px;
}
h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: clamp(17px, 2vw, 20px); color: #3d3830; max-width: 600px; margin: 0 0 32px; }

/* Prompt box */
.prompt {
  background: var(--paper); border: 1.5px solid var(--ink); border-radius: 22px;
  padding: 18px 18px 14px; box-shadow: 6px 6px 0 var(--ink);
}
.prompt textarea {
  width: 100%; border: 0; outline: 0; resize: none; background: transparent;
  font: 500 clamp(18px, 2.2vw, 22px)/1.4 var(--display); letter-spacing: -.01em;
}
.prompt textarea::placeholder { color: #a39b8c; }
.prompt-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; margin-top: 10px; }
.photo-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.photo-btn {
  display: inline-flex; align-items: center; gap: 8px; border: 1.5px dashed #c9bfae; background: transparent;
  border-radius: 12px; padding: 8px 12px; font-size: 14px; font-weight: 600; cursor: pointer; transition: .15s;
}
.photo-btn:hover { border-color: var(--ink); }
.photo-hint { font-weight: 400; font-size: 13px; }
.photo-chip { display: inline-flex; align-items: center; gap: 10px; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 5px 6px 5px 5px; }
.photo-chip img { width: 44px; height: 44px; object-fit: cover; border-radius: 10px; }
.photo-status { font-size: 14px; font-weight: 600; }
.photo-remove { width: 28px; height: 28px; border-radius: 50%; border: 0; background: var(--ink); color: var(--bg); font-size: 18px; line-height: 1; cursor: pointer; }
.styles { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: 1px solid var(--line); background: var(--bg); border-radius: 999px;
  padding: 6px 12px; font-size: 13px; font-weight: 500; cursor: pointer; transition: .15s;
}
.chip:hover { border-color: var(--ink); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.form-msg { min-height: 1.4em; margin: 8px 2px 0; font-size: 14px; color: #b3261e; }
.form-msg.ok { color: var(--ok); }

/* Buttons */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 14px; padding: 14px 22px; font-weight: 600; font-size: 16px;
  cursor: pointer; white-space: nowrap; transition: transform .12s, background .15s, opacity .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #e8400f; }
.btn-ghost { background: transparent; border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.spinner {
  display: none; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite;
}
.btn.is-busy .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Studio */
.studio {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 28px;
  padding: 16px 0 56px; scroll-margin-top: 16px;
}
.stage { min-width: 0; }
.mockup {
  position: relative; aspect-ratio: 6 / 7; border-radius: 26px; overflow: hidden;
  background: radial-gradient(circle at 50% 35%, #fff 0%, #ece6da 70%);
  border: 1px solid var(--line);
}
.tee { width: 100%; height: 100%; display: block; filter: drop-shadow(0 18px 24px rgba(40, 30, 10, .16)); }
#teeBody { transition: fill .25s; }
.generating {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 14px;
  background: rgba(244, 240, 232, .72); backdrop-filter: blur(3px); font-weight: 600;
}
.pulse { width: 54px; height: 54px; border-radius: 50%; background: var(--accent); animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { transform: scale(.7); opacity: .6; } 50% { transform: scale(1); opacity: 1; } }
.idea-caption { margin: 12px 4px 0; color: var(--muted); font-size: 14px; }
.tone-hint { margin: 8px 4px 0; font-size: 14px; color: #8a4b00; background: #fff4dc; border-radius: 10px; padding: 8px 12px; }

.panel {
  align-self: start; background: var(--paper); border: 1px solid var(--line); border-radius: 26px; padding: 24px;
  display: grid; gap: 24px; position: sticky; top: 16px;
}
.label { display: block; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 10px; }
.label b { color: var(--ink); text-transform: none; letter-spacing: 0; margin-left: 6px; font-weight: 600; }
.swatches { display: flex; flex-wrap: wrap; gap: 10px; }
.swatch {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(0,0,0,.18); cursor: pointer;
  outline-offset: 3px; transition: transform .12s;
}
.swatch:hover { transform: scale(1.08); }
.swatch.is-on { outline: 2px solid var(--ink); }
.sizes { display: flex; flex-wrap: wrap; gap: 8px; }
.size {
  min-width: 52px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg); font-weight: 600; cursor: pointer;
}
.size.is-on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.price-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.price { font: 800 34px/1 var(--display); letter-spacing: -.03em; }
.history { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.history button {
  aspect-ratio: 4 / 5; border-radius: 12px; border: 1px solid var(--line); background: #fff center / contain no-repeat;
  cursor: pointer; padding: 0;
}
.history button.is-on { outline: 2px solid var(--accent); outline-offset: 2px; }

/* How it works */
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 24px 0 64px; border-top: 1px solid var(--line); }
.step span { font: 700 14px var(--display); color: var(--accent); }
.step h3 { font: 700 26px var(--display); letter-spacing: -.02em; margin: 6px 0; }
.step p { margin: 0; color: var(--muted); }

.foot {
  max-width: 1180px; margin: 0 auto; padding: 24px; display: flex; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; font-size: 14px; border-top: 1px solid var(--line);
}

/* Dialogs */
.sheet {
  width: min(460px, calc(100vw - 32px)); border: 0; border-radius: 24px; padding: 28px;
  background: var(--paper); color: var(--ink); box-shadow: 0 30px 80px rgba(0,0,0,.25);
}
.sheet-wide { width: min(640px, calc(100vw - 32px)); }
.sheet::backdrop { background: rgba(22, 20, 15, .55); backdrop-filter: blur(2px); }
.sheet h2 { font: 800 28px/1.1 var(--display); letter-spacing: -.03em; margin: 0 0 8px; }
.sheet-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; background: #ffe6dc; color: #b3330b; padding: 4px 10px; border-radius: 999px; margin-bottom: 12px; }
.checkout-head { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; }
.checkout-head img { width: 72px; height: 90px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid .span2 { grid-column: span 2; }
.grid label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
.grid input, .grid select {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: #fff;
  font-size: 16px; font-weight: 400; color: var(--ink);
}
.grid input:focus, .grid select:focus { outline: 2px solid var(--ink); outline-offset: 0; border-color: transparent; }
.done-icon { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--ok); color: #fff; font-size: 28px; margin-bottom: 14px; }

@media (max-width: 860px) {
  .studio { grid-template-columns: 1fr; }
  .panel { position: static; }
  .how { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .top, main, .foot { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 24px; }
  .prompt { box-shadow: 4px 4px 0 var(--ink); }
  .prompt-row { flex-direction: column; align-items: stretch; }
  .prompt-row .btn { width: 100%; }
  .photo-hint { display: none; }
  .grid { grid-template-columns: 1fr; }
  .grid .span2 { grid-column: auto; }
  .price-row .btn { width: 100%; }
  .sheet { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }