:root {
  color-scheme: light;
  --bg: #eef2f7;
  --panel: #ffffff;
  --text: #172033;
  --muted: #6b7280;
  --border: #d7deea;
  --primary: #315efb;
  --primary-dark: #2448ca;
  --danger: #d63d4b;
  --shadow: 0 10px 30px rgba(23, 32, 51, 0.08);
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button, input, select { font: inherit; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 20px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 { margin: 0 0 4px; font-size: 1.55rem; }
.topbar p { margin: 0; color: var(--muted); }
.top-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.app-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 320px;
  gap: 18px;
  padding: 18px;
  min-height: calc(100vh - 150px);
}

.panel, .workspace-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel { padding: 18px; overflow: auto; }
.panel section + section { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--border); }
h2 { font-size: 1rem; margin: 0 0 14px; }

.button {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: .18s ease;
  text-align: center;
}
.button:hover { transform: translateY(-1px); border-color: #b9c3d3; }
.button.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.button.primary:hover { background: var(--primary-dark); }
.button.danger { color: var(--danger); }
.button.full { width: 100%; }

.drop-zone {
  border: 2px dashed #b9c5d8;
  border-radius: 14px;
  padding: 22px 14px;
  text-align: center;
  color: var(--muted);
  background: #f8faff;
  cursor: pointer;
}
.drop-zone strong { display: block; color: var(--text); margin-bottom: 6px; }
.drop-zone.dragover { border-color: var(--primary); background: #eef3ff; }

.image-list { display: grid; gap: 10px; margin-top: 14px; }
.image-card {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  background: #fff;
}
.image-card.selected { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(49,94,251,.12); }
.image-card img { width: 64px; height: 52px; object-fit: cover; border-radius: 8px; background: #eef2f7; }
.image-card .name { font-size: .88rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.image-card .meta { font-size: .76rem; color: var(--muted); }
.image-card .remove { border: 0; background: transparent; color: var(--danger); font-size: 1.1rem; cursor: pointer; }

.workspace-panel { display: flex; flex-direction: column; min-width: 0; }
.workspace-toolbar { display: flex; gap: 10px; align-items: end; padding: 14px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.canvas-shell {
  flex: 1;
  min-height: 620px;
  padding: 24px;
  background:
    linear-gradient(45deg, #eef1f5 25%, transparent 25%),
    linear-gradient(-45deg, #eef1f5 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #eef1f5 75%),
    linear-gradient(-45deg, transparent 75%, #eef1f5 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  position: relative;
}
canvas { max-width: 100%; height: auto; box-shadow: 0 14px 40px rgba(15,23,42,.22); background: white; }
.empty-state { position: absolute; text-align: center; color: var(--muted); pointer-events: none; }
.empty-icon { font-size: 3rem; }
.empty-state h2 { color: var(--text); margin: 10px 0 6px; }
.empty-state p { margin: 0; }

.field { display: grid; gap: 7px; margin-bottom: 14px; }
.field.compact { margin-bottom: 0; min-width: 180px; }
.field label { font-size: .82rem; font-weight: 700; color: #46506a; }
input[type="number"], select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 10px;
  background: #fff;
}
input[type="color"] { width: 100%; height: 42px; border: 1px solid var(--border); border-radius: 9px; background: #fff; padding: 4px; }
input[type="range"] { width: 100%; }
output { font-size: .78rem; color: var(--muted); }
.form-grid { display: grid; gap: 10px; }
.two-cols { grid-template-columns: 1fr 1fr; }
.muted-box { padding: 12px; background: #f4f6fa; color: var(--muted); border-radius: 10px; font-size: .88rem; }
.hidden { display: none !important; }

footer { padding: 14px 20px 22px; text-align: center; color: var(--muted); font-size: .82rem; }

@media (max-width: 1180px) {
  .app-layout { grid-template-columns: 240px minmax(0,1fr); }
  .right-panel { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .right-panel section + section { margin-top: 0; padding-top: 0; border-top: 0; }
}

@media (max-width: 780px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .app-layout { grid-template-columns: 1fr; }
  .left-panel, .right-panel { grid-column: auto; }
  .right-panel { display: block; }
  .right-panel section + section { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--border); }
  .canvas-shell { min-height: 420px; padding: 12px; }
}


/* Recadrage interactif */
canvas { cursor: default; touch-action: none; outline: none; }
canvas.is-over-image { cursor: grab; }
canvas.is-dragging { cursor: grabbing; }
canvas:focus-visible { box-shadow: 0 0 0 4px rgba(49,94,251,.18), 0 14px 40px rgba(15,23,42,.22); }
.canvas-help {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(17,24,39,.86);
  color: #fff;
  font-size: .78rem;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}
.crop-tip {
  display: grid;
  gap: 4px;
  margin-bottom: 14px;
  padding: 11px 12px;
  border: 1px solid rgba(49,94,251,.22);
  background: rgba(49,94,251,.07);
  border-radius: 10px;
  font-size: .82rem;
}
.crop-tip span { color: var(--muted); line-height: 1.35; }
.color-control { display: grid; grid-template-columns: 54px 1fr; gap: 9px; }
.color-control input[type="color"] { height: 42px; }
.color-control input[type="text"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 10px;
  text-transform: uppercase;
}
.color-presets { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid #cbd5e1;
  background: var(--swatch);
  cursor: pointer;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.65);
}
.color-swatch:hover { transform: scale(1.08); }
.image-card::after {
  content: "Recadrer";
  display: none;
  grid-column: 2 / 3;
  font-size: .72rem;
  color: var(--primary);
  font-weight: 700;
}
.image-card.selected::after { display: block; }
@media (max-width: 780px) {
  .canvas-help { white-space: normal; width: calc(100% - 48px); text-align: center; bottom: 20px; }
}

.print-note {
  margin: -2px 0 14px;
  padding: 10px 11px;
  border-radius: 10px;
  background: #f8fafc;
  color: var(--muted);
  font-size: .79rem;
  line-height: 1.4;
}