* { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  margin: 0;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-header {
  padding: 14px 14px 6px;
  max-width: 1200px;
  margin: 0 auto;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.app-title {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
  color: var(--color-accent);
}

.icon-btn {
  border: 1px solid var(--border);
  background: var(--color-surface);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.icon-btn:focus-visible { box-shadow: var(--shadow-focus); outline: none; }

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 14px 88px; /* laisse la place à la barre sticky mobile */
}

.workspace {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.canvas-card {
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.checkerboard {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(45deg, rgba(0,0,0,0.08) 25%, transparent 25%) 0 0 / 20px 20px,
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.08) 75%) 0 0 / 20px 20px,
    linear-gradient(45deg, rgba(0,0,0,0.08) 25%, transparent 25%) 10px 10px / 20px 20px,
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.08) 75%) 10px 10px / 20px 20px;
  opacity: 0.22;
}

:root[data-theme="dark"] .checkerboard {
  opacity: 0.30;
}

#canvas-preview {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none; /* important pour pan/pinch via pointer events */
}

.import-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: linear-gradient(180deg, rgba(0,0,0,0.00), rgba(0,0,0,0.06));
}

.import-overlay[hidden] { display: none; }

.import-card {
  width: min(420px, 92%);
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  padding: 16px 14px;
  text-align: center;
}

.import-icon { font-size: 34px; margin-bottom: 8px; }
.import-title { font-weight: 900; font-size: 18px; margin-bottom: 4px; }
.import-subtitle { color: var(--color-muted); font-size: 13px; line-height: 1.35; margin-bottom: 12px; }
.import-hint { color: var(--color-muted); font-size: 12px; margin-top: 10px; }

.gesture-hint {
  text-align: center;
  color: var(--color-muted);
  font-size: 13px;
  padding: 2px 6px;
}

.controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.03);
  padding: 8px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
}
:root[data-theme="dark"] .pill { background: rgba(255,255,255,0.06); }

.controls-right { display: flex; gap: 8px; flex-wrap: wrap; }

.zoom-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.zoom-label {
  font-size: 13px;
  color: var(--color-muted);
  min-width: 48px;
}

#zoom-slider {
  flex: 1;
  height: 36px;
}

.zoom-value {
  min-width: 60px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--color-muted);
  font-weight: 800;
}

.options {
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.options-summary {
  cursor: pointer;
  font-weight: 900;
  color: var(--color-accent);
  user-select: none;
}

.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-wide { grid-column: 1 / -1; }

.field-label {
  font-size: 12px;
  color: var(--color-muted);
  font-weight: 800;
}

.field-value {
  font-size: 12px;
  color: var(--color-muted);
  font-weight: 800;
  margin-top: -4px;
}

select, input[type="color"] {
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0 10px;
  font-weight: 700;
}

input[type="range"] { width: 100%; }

.shapes-panel {
  background: transparent;
}

.shapes-title {
  display: none; /* mobile: on privilégie la bande visuelle */
  font-weight: 900;
  color: var(--color-accent);
  margin: 2px 0 10px;
}

.shapes-frame { background: transparent; }

.shapes-gallery {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 64px;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.shape-btn {
  appearance: none;
  border: 1px solid var(--border);
  padding: 0;
  background: var(--color-surface);
  cursor: pointer;
  width: 64px;
  height: 64px;
  border-radius: 14px;
  outline: none;
  scroll-snap-align: start;
}

.shape-btn:focus-visible { box-shadow: var(--shadow-focus); }

.shape-icon {
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  transition: transform 0.08s ease, background-color 0.08s ease;
}
:root[data-theme="dark"] .shape-icon { background: rgba(255,255,255,0.92); }

.shape-btn[aria-pressed="true"] {
  border-color: rgba(194, 24, 91, 0.55);
  box-shadow: 0 0 0 3px rgba(194, 24, 91, 0.18);
}
:root[data-theme="dark"] .shape-btn[aria-pressed="true"] {
  border-color: rgba(255, 79, 163, 0.55);
  box-shadow: 0 0 0 3px rgba(255, 79, 163, 0.18);
}

.shape-btn[aria-pressed="true"] .shape-icon {
  background: var(--color-primary);
  transform: scale(1.02);
}

/* Buttons */
.btn {
  font: var(--btn-font);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  border-radius: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
}

.btn.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn.secondary {
  background: rgba(0,0,0,0.78);
  border-color: rgba(0,0,0,0.78);
  color: #fff;
}
:root[data-theme="dark"] .btn.secondary {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.16);
  color: var(--color-text);
}

.btn:disabled { opacity: 0.45; cursor: default; }

.export-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: center;
  z-index: 30;
}
:root[data-theme="dark"] .export-bar {
  background: rgba(22,26,34,0.86);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(78px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: rgba(0,0,0,0.82);
  color: #fff;
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
  max-width: min(92vw, 520px);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.16s ease;
  z-index: 40;
}
.toast.show { opacity: 1; }

.file-input-hidden {
  position: fixed;
  left: 12px;
  bottom: 12px;
  width: 1px;
  height: 1px;
  opacity: 0.001; /* iOS: rester “dans le DOM” */
  z-index: 1;
}

/* Desktop layout */
@media (min-width: 920px) {
  .app { padding-bottom: 20px; }
  .export-bar { position: static; padding: 0; border: none; background: transparent; backdrop-filter: none; }
  .toast { bottom: 18px; }

  .workspace {
    flex-direction: row;
    align-items: flex-start;
  }

  .canvas-card { flex: 1; }

  .shapes-panel {
    width: 260px;
    position: sticky;
    top: 12px;
  }

  .shapes-title { display: block; }

  .shapes-gallery {
    grid-auto-flow: row;
    grid-auto-columns: unset;
    grid-template-columns: repeat(3, 1fr);
    overflow: auto;
    max-height: calc(100vh - 140px);
    padding-right: 4px;
    gap: 10px;
  }

  .shape-btn { width: 100%; height: auto; aspect-ratio: 1 / 1; }
}