:root {
  --border-w: clamp(90px, 11vw, 160px);
  --border-pad: 14px;
  --paper: #FAF4E3;
  --ink: #2b2b2b;
  --accent: #f2b7b1;
  --accent-dark: #d97b74;
  --button-bg: #fff7dc;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Comic Sans MS", "Chalkboard SE", "Marker Felt", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.page {
  min-height: 100dvh;
  margin: 0;
  padding: 0;
}

.frame {
  position: fixed;
  inset: 0;
  background: var(--paper);
  overflow: hidden;
  isolation: isolate;
}
.frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/bg-landscape.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.65;
  z-index: 0;
}

.border {
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--border-w);
  background: var(--paper);
  padding: var(--border-pad);
  display: grid;
  place-items: center;
  pointer-events: none;
  z-index: 2;
}
.border img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.border-left  { left: 0;  border-right: 2px solid #000; }
.border-right { right: 0; border-left:  2px solid #000; }

.stage {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 24px calc(var(--border-w) + 24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.banner {
  text-align: center;
  background: rgba(255, 247, 220, 0.85);
  border: 2px dashed var(--accent-dark);
  border-radius: 14px;
  padding: 8px 16px;
  justify-self: center;
  transform: rotate(-1deg);
}
.banner h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--accent-dark);
  letter-spacing: 1px;
}
.banner .tagline {
  margin: 2px 0 0;
  font-size: 0.9rem;
  color: #7a5a57;
}

.canvas-wrap {
  display: grid;
  place-items: center;
  min-height: 0;
  flex: 1 1 auto;
  width: 100%;
}

.note-canvas {
  aspect-ratio: 5 / 8;
  max-height: 100%;
  max-width: min(500px, 100%);
  background: #ffffff;
  border: 3px solid var(--accent-dark);
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.1);
  cursor: crosshair;
  touch-action: none;
}

.toolbar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.toolbar button {
  font: inherit;
  padding: 8px 16px;
  background: var(--button-bg);
  border: 2px solid var(--accent-dark);
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 2px 0 var(--accent-dark);
}
.toolbar button:hover { transform: translateY(-1px); }
.toolbar button:active { transform: translateY(1px); box-shadow: none; }
.toolbar button.is-active {
  background: var(--accent);
  color: #fff;
}
.toolbar .primary {
  background: var(--accent);
  color: #fff;
}

.swatches {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.swatch {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.35);
  background: var(--c, #ccc);
  cursor: pointer;
  box-shadow: 0 2px 0 rgba(0,0,0,0.15), inset 0 6px 6px rgba(255,255,255,0.4);
  transition: transform 0.08s ease;
}
.swatch:hover { transform: translateY(-2px); }
.swatch.is-active {
  outline: 2px solid var(--accent-dark);
  outline-offset: 2px;
}

@media (max-aspect-ratio: 3/4) {
  .frame::before {
    background-image: url("assets/bg-portrait.webp");
  }
  :root { --border-w: clamp(56px, 14vw, 100px); }
  .stage { padding: 16px calc(var(--border-w) + 12px); }
}

@media (max-width: 700px) {
  .border { display: none; }
  .stage { padding: 16px 12px; }
}