* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  background: var(--stage);
  color: var(--ink);
  font-family: var(--font-body);
  overflow: hidden;
}
button { font-family: inherit; }
input, textarea, select { font-family: inherit; color: inherit; }

.app {
  display: grid;
  grid-template-rows: 56px 1fr;
  height: 100vh;
}

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--hair);
  z-index: 20;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 500; font-size: 15px;
  letter-spacing: -0.01em;
}
.brand svg { display: block; }

/* ── Layout: input panel + stage ────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

/* Left panel */
.panel {
  background: var(--panel);
  border-right: 1px solid var(--hair);
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 16px;
  overflow-y: auto;
  min-height: 0;
}
.panel h2 {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.10em; color: var(--ink-3);
  margin: 4px 0 0;
  font-weight: 500;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.lbl   { font-size: 12px; color: var(--ink-2); font-weight: 500; }
.hint  { font-size: 11px; color: var(--ink-3); line-height: 1.4; }

input[type="text"], input[type="url"], textarea {
  background: var(--panel-alt);
  color: var(--ink);
  border: 1px solid var(--hair-strong);
  border-radius: var(--r-m);
  padding: 9px 11px;
  font: inherit; font-size: 13px;
  outline: none;
  resize: vertical;
}
input[type="text"]:focus, input[type="url"]:focus, textarea:focus {
  border-color: var(--flip-blue);
}
textarea { min-height: 64px; }

.file-row {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}
.file-row input[type="file"] { font-size: 12px; color: var(--ink-2); }

.thumb {
  width: 38px; height: 38px;
  border-radius: var(--r-m);
  background: var(--panel-alt);
  border: 1px solid var(--hair-strong);
  object-fit: contain;
  padding: 4px;
}

.btn {
  cursor: pointer;
  border: 1px solid var(--hair-strong);
  background: var(--panel);
  color: var(--ink);
  border-radius: var(--r-m);
  padding: 8px 12px;
  font: inherit; font-size: 12px; font-weight: 500;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover { border-color: var(--flip-blue); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn.primary {
  background: var(--flip-blue);
  border-color: var(--flip-blue);
  color: white;
}
.btn.primary:hover { background: #1866dd; border-color: #1866dd; }

.export-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.export-grid .group {
  display: flex; flex-direction: column; gap: 6px;
  padding: 10px;
  background: var(--panel-alt);
  border: 1px solid var(--hair);
  border-radius: var(--r-m);
}
.export-grid .group .ttl {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.10em; color: var(--ink-3);
  margin-bottom: 2px;
}

/* ── Stage (right side, always fits to viewport — never scrolls) ── */
.stage {
  position: relative;
  background: var(--stage);
  overflow: hidden;
  min-height: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.canvas-wrap {
  /* The poster div renders at native 1837×2603 and is CSS-scaled to fit
     the visible stage. The scale factor is computed in app.jsx from the
     stage's bounding box. */
  transform-origin: center center;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.18));
}