:root {
  --verde: #00923F;
  --verde-escuro: #0B5B2B;
  --amarelo: #FFDF00;
  --azul: #002776;
  --cinza: #f4f6f4;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(160deg, #f7faf7 0%, #e8f3ea 100%);
  color: #1a2b1e;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
}
header {
  width: 100%;
  background: linear-gradient(90deg, var(--verde-escuro), var(--verde));
  border-bottom: 5px solid var(--amarelo);
  padding: 14px 16px;
  display: flex;
  justify-content: center;
}
header img { height: 56px; max-width: 90vw; object-fit: contain; }
main {
  width: 100%;
  max-width: 520px;
  padding: 20px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: stretch;
}
h1 { font-size: 1.35rem; text-align: center; color: var(--verde-escuro); }
p.sub { text-align: center; font-size: .95rem; color: #3c5243; }
.steps {
  display: flex;
  justify-content: center;
  gap: 14px;
  font-size: .8rem;
  color: #3c5243;
  flex-wrap: wrap;
}
.steps span {
  background: #fff;
  border: 1px solid #d5e5d9;
  border-radius: 999px;
  padding: 6px 12px;
  white-space: nowrap;
}
.steps b { color: var(--verde); }

.opt-group { display: flex; flex-direction: column; gap: 8px; }
.opt-label { font-size: .85rem; font-weight: 700; color: var(--verde-escuro); }
.opt-row { display: flex; gap: 10px; }
.opt {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  background: #fff;
  border: 2px solid #d5e5d9;
  border-radius: 12px;
  cursor: pointer;
  font-size: .85rem;
  font-weight: 600;
  color: #3c5243;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.opt.active {
  border-color: var(--verde);
  box-shadow: 0 0 0 3px rgba(0, 146, 63, .15);
  color: var(--verde-escuro);
}
.opt .thumb {
  border-radius: 8px;
  background-color: #0B5B2B;
  background-size: cover;
  background-position: center;
}
.opt .thumb.t-classica {
  width: 62px; height: 62px;
  background-image: url('logo.webp');
  background-size: 85%;
  background-repeat: no-repeat;
  border: 2px solid var(--amarelo);
}
.opt .thumb.t-apoio {
  width: 62px; height: 62px;
  background-image: url('moldura2.webp');
  background-color: #e9efe9;
  background-position: left center;
}
.opt .thumb.t-quad {
  width: 54px; height: 54px;
  background: #e9efe9;
  border: 3px solid var(--verde);
  margin-top: 4px;
}
.opt .thumb.t-story {
  width: 34px; height: 62px;
  background: #e9efe9;
  border: 3px solid var(--verde);
}

.canvas-wrap {
  position: relative;
  width: 100%;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(11, 91, 43, .15);
  padding: 12px;
}
.canvas-inner { display: flex; justify-content: center; }
canvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  touch-action: none;
  cursor: grab;
}
canvas.is-story { max-height: 72vh; width: auto; }
canvas.dragging { cursor: grabbing; }
.hint {
  text-align: center;
  font-size: .8rem;
  color: #5a7061;
  margin-top: 8px;
}
.controls { display: flex; flex-direction: column; gap: 12px; }
.zoom-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: 0 2px 8px rgba(11, 91, 43, .08);
}
.zoom-row svg { flex: none; }
input[type=range] {
  flex: 1;
  accent-color: var(--verde);
  height: 28px;
}
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px 18px;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform .06s ease, filter .15s ease;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--verde); color: #fff; box-shadow: 0 4px 14px rgba(0, 146, 63, .35); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.07); }
.btn-yellow { background: var(--amarelo); color: #14401f; box-shadow: 0 4px 14px rgba(255, 223, 0, .35); }
.btn-yellow:hover:not(:disabled) { filter: brightness(1.05); }
.btn-ghost { background: #fff; color: var(--verde-escuro); border: 2px solid var(--verde); }
footer {
  margin-top: auto;
  padding: 18px 16px 26px;
  font-size: .78rem;
  color: #5a7061;
  text-align: center;
}
.lock { display: inline-block; margin-right: 4px; }