/* =====================================================================
 * T-Shirt Designer
 *
 * Everything is namespaced `udt-` and scoped to #udt-overlay. The sibling
 * sticker plugin uses the same generic ids (.app-header, #c, …), so without
 * the prefix the two would fight whenever both are active on a page.
 * ===================================================================== */

/* ---------------------------------------------------------------------
 * Product page launcher — light, so it belongs to the shop.
 * ------------------------------------------------------------------- */
.udt-launcher {
	display: flex; align-items: center; gap: 14px;
	padding: 14px; margin: 0 0 20px;
	border: 2px dashed #c9ced6; border-radius: 12px; background: #fbfcfd;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.udt-launcher.is-ready { border-style: solid; border-color: #4CAF50; background: #f4fbf6; }
.udt-launcher .udt-launcher-thumb {
	flex: 0 0 56px; width: 56px; height: 56px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 10px; background: #eef1f5; color: #8a929e; overflow: hidden;
}
.udt-launcher .udt-launcher-thumb img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.udt-launcher.is-ready .udt-launcher-thumb > svg { display: none; }
.udt-launcher .udt-launcher-body { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.udt-launcher .udt-launcher-title { font-size: 1rem; font-weight: 700; color: #12151a; }
.udt-launcher .udt-launcher-meta  { font-size: 0.82rem; color: #6b727d; }
.udt-launcher .udt-launcher-cta {
	flex: 0 0 auto; padding: 11px 18px; border: 0; border-radius: 8px;
	background: #16181d; color: #fff; font-size: 0.9rem; font-weight: 600;
	font-family: inherit; text-transform: none; letter-spacing: normal; cursor: pointer;
}
.udt-launcher .udt-launcher-cta:hover { background: #2a2e36; }
.udt-launcher.is-ready .udt-launcher-cta { background: #4CAF50; color: #0d1410; }
@media (max-width: 480px) {
	.udt-launcher { flex-wrap: wrap; }
	.udt-launcher .udt-launcher-cta { width: 100%; }
}

/* ---------------------------------------------------------------------
 * Editor. Scoped so nothing leaks into the theme, and the resets stop the
 * theme leaking in here.
 * ------------------------------------------------------------------- */
#udt-overlay {
	--udt-bg: #16181d;
	--udt-panel: #1e2026;
	--udt-panel-2: #24262d;
	--udt-line: #2c2f36;
	--udt-line-2: #3a3e47;
	--udt-text: #e6e8ec;
	--udt-muted: #9aa0aa;
	--udt-accent: #4CAF50;
	--udt-accent-soft: rgba(76,175,80,0.18);
	--udt-guide: #ff8a5b;
	--udt-danger: #ff6b6b;
	--udt-radius: 10px;
	--udt-sh-1: 0 1px 2px rgba(0,0,0,0.4);
	--udt-sh-2: 0 12px 32px rgba(0,0,0,0.45);

	display: none; position: fixed; inset: 0; z-index: 999999;
	background: var(--udt-bg); color: var(--udt-text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 14px; line-height: 1.4; -webkit-font-smoothing: antialiased;
}
#udt-overlay *, #udt-overlay *::before, #udt-overlay *::after { box-sizing: border-box; }

/* Neutralise theme button/input styling. */
#udt-overlay button,
#udt-overlay input,
#udt-overlay label {
	font: inherit; color: inherit; margin: 0; width: auto; min-height: 0;
	text-transform: none; letter-spacing: normal; text-shadow: none; box-shadow: none;
	-webkit-appearance: none; appearance: none;
}
#udt-overlay :focus { outline: none; }
#udt-overlay :focus-visible { outline: 2px solid var(--udt-accent); outline-offset: 2px; }
#udt-overlay .udt-icon { flex: 0 0 auto; display: block; }

#udt-overlay .udt-modal {
	width: 100%; height: 100%; display: flex; flex-direction: column;
	overflow: hidden; position: relative; background: var(--udt-bg);
}

/* ----- Header ----- */
#udt-overlay .udt-header {
	flex-shrink: 0; height: 52px; display: flex; align-items: center;
	justify-content: space-between; padding: 0 14px;
	background: var(--udt-panel); border-bottom: 1px solid var(--udt-line);
}
#udt-overlay .udt-header h3 {
	margin: 0; min-width: 0; font-size: 0.95rem; font-weight: 600; color: var(--udt-text);
	overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#udt-overlay .udt-header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
#udt-overlay .udt-header-actions button {
	display: flex; align-items: center; justify-content: center; gap: 7px;
	padding: 9px 16px; border: 1px solid transparent; border-radius: 8px;
	font-size: 0.85rem; font-weight: 600; cursor: pointer;
}
#udt-overlay .udt-btn-close { background: transparent; border-color: var(--udt-line); color: var(--udt-muted); }
#udt-overlay .udt-btn-close:hover { color: var(--udt-text); border-color: var(--udt-line-2); }
#udt-overlay .udt-btn-save { background: var(--udt-accent); color: #0d1410; min-width: 132px; }
#udt-overlay .udt-btn-save:hover:not(:disabled) { background: #5bbd5f; }
#udt-overlay .udt-btn-save:disabled { background: var(--udt-line-2); color: var(--udt-muted); cursor: not-allowed; }

/* Spinner shown while the export runs. */
#udt-overlay .udt-spinner {
	width: 14px; height: 14px; flex: 0 0 auto;
	border: 2px solid rgba(0,0,0,0.25); border-top-color: #0d1410;
	border-radius: 50%; animation: udt-spin 0.6s linear infinite;
}
@keyframes udt-spin { to { transform: rotate(360deg); } }

#udt-overlay .udt-workspace { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; min-height: 0; }
#udt-overlay .udt-main-row  { flex: 1; display: flex; overflow: hidden; position: relative; min-height: 0; }

/* ----- Left rail ----- */
#udt-overlay .udt-sidebar {
	flex-shrink: 0; width: 240px; display: flex; flex-direction: column; gap: 16px;
	padding: 14px; background: var(--udt-panel);
	border-right: 1px solid var(--udt-line); overflow-y: auto; z-index: 20;
}
#udt-overlay .udt-group { display: flex; flex-direction: column; gap: 8px; }
#udt-overlay .udt-group-label {
	font-size: 0.68rem; font-weight: 700; letter-spacing: 0.09em;
	text-transform: uppercase; color: var(--udt-muted);
}

#udt-overlay .udt-tool {
	display: flex; align-items: center; justify-content: flex-start; gap: 9px;
	width: 100%; padding: 10px 12px;
	border: 1px solid var(--udt-line); border-radius: var(--udt-radius);
	background: var(--udt-panel-2); color: var(--udt-text);
	font-size: 0.87rem; font-weight: 500; cursor: pointer;
	transition: background 0.15s, border-color 0.15s, transform 0.1s, opacity 0.15s;
}
#udt-overlay .udt-tool:hover:not(:disabled)  { background: #2c2f37; border-color: var(--udt-line-2); }
#udt-overlay .udt-tool:active:not(:disabled) { transform: translateY(1px); }
#udt-overlay .udt-tool:disabled { opacity: 0.35; cursor: not-allowed; }
#udt-overlay .udt-upload input { display: none; }
#udt-overlay .udt-tool-copy   { color: #8ec5ff; }
#udt-overlay .udt-tool-delete { color: var(--udt-danger); }
#udt-overlay .udt-tool-icon { justify-content: center; padding: 10px; }
#udt-overlay .udt-row-2 { display: flex; gap: 8px; }
#udt-overlay .udt-row-2 .udt-tool { flex: 1; }

/* ----- Size picker ----- */
#udt-overlay .udt-size-row { display: flex; flex-wrap: wrap; gap: 6px; }
#udt-overlay .udt-size-btn {
	flex: 1 0 auto; min-width: 42px; padding: 9px 0;
	border: 1px solid var(--udt-line); border-radius: 8px;
	background: var(--udt-panel-2); color: var(--udt-muted);
	font-size: 0.78rem; font-weight: 700; text-align: center; cursor: pointer;
	transition: background 0.15s, border-color 0.15s, color 0.15s;
}
#udt-overlay .udt-size-btn:hover { border-color: var(--udt-line-2); color: var(--udt-text); }
#udt-overlay .udt-size-btn.is-active {
	background: var(--udt-accent); border-color: var(--udt-accent); color: #0d1410;
}
#udt-overlay .udt-print-note { font-size: 0.72rem; color: var(--udt-muted); }
#udt-overlay .udt-print-note strong { color: var(--udt-text); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ----- Selection panel: inert until something is picked ----- */
#udt-overlay .udt-selection {
	padding: 12px; border: 1px solid var(--udt-line); border-radius: var(--udt-radius);
	background: rgba(255,255,255,0.02);
	transition: opacity 0.15s, border-color 0.15s, background 0.15s;
}
#udt-overlay .udt-selection[data-active="false"] { opacity: 0.4; }
#udt-overlay .udt-selection[data-active="true"]  { border-color: var(--udt-line-2); background: rgba(255,255,255,0.045); }
#udt-overlay .udt-dims-row { display: flex; gap: 8px; }
#udt-overlay .udt-dims-group {
	flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px;
	padding: 8px 10px; border: 1px solid var(--udt-line); border-radius: 8px; background: var(--udt-bg);
}
#udt-overlay .udt-dims-group:focus-within { border-color: var(--udt-accent); }
#udt-overlay .udt-dims-label { font-size: 0.7rem; font-weight: 700; color: var(--udt-muted); }
#udt-overlay .udt-dims-input {
	flex: 1; min-width: 0; padding: 0; border: 0; background: transparent;
	color: var(--udt-text); font-size: 0.9rem; font-weight: 600;
	font-variant-numeric: tabular-nums; text-align: right;
}
#udt-overlay .udt-dims-input:disabled { color: var(--udt-muted); }
#udt-overlay .udt-dims-input::-webkit-outer-spin-button,
#udt-overlay .udt-dims-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
#udt-overlay .udt-dims-unit { font-size: 0.72rem; color: var(--udt-muted); }
#udt-overlay .udt-sel-actions { margin-top: 10px; }
#udt-overlay .udt-sel-actions .udt-tool { justify-content: center; padding: 9px 8px; font-size: 0.8rem; }

#udt-overlay .udt-hint {
	margin: auto 0 0; padding-top: 12px; border-top: 1px solid var(--udt-line);
	font-size: 0.72rem; line-height: 1.5; color: var(--udt-muted);
}

/* ----- Canvas -----
 * A dot grid on a dark ground, not a transparency checkerboard: the shirt is
 * a product preview, not an image with an alpha channel. */
#udt-overlay .udt-canvas-area {
	flex: 1; min-width: 0; display: flex; align-items: center; justify-content: center;
	overflow: hidden; position: relative; touch-action: none;
	background-color: var(--udt-bg);
	background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.05) 1px, transparent 0);
	background-size: 22px 22px;
}

#udt-overlay #udt-tooltip {
	position: absolute; top: 0; left: 0; z-index: 1000; display: none;
	padding: 5px 9px; border: 1px solid var(--udt-line); border-radius: 7px;
	background: var(--udt-panel-2); box-shadow: var(--udt-sh-2);
	color: var(--udt-text); font-size: 12px; font-weight: 600;
	font-variant-numeric: tabular-nums; white-space: nowrap; pointer-events: none;
	transform: translate(-50%, 10px);
}

#udt-overlay .udt-empty {
	position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 40;
	display: flex; flex-direction: column; align-items: center; gap: 8px;
	padding: 26px 30px; border: 2px dashed rgba(255,255,255,0.18); border-radius: 14px;
	background: rgba(22,24,29,0.72); text-align: center; color: var(--udt-muted);
}
#udt-overlay .udt-empty[hidden] { display: none; }
#udt-overlay .udt-empty > svg { width: 30px; height: 30px; opacity: 0.7; }
#udt-overlay .udt-empty strong { font-size: 0.95rem; color: var(--udt-text); }
#udt-overlay .udt-empty span { max-width: 220px; font-size: 0.8rem; }
#udt-overlay .udt-empty-cta {
	margin-top: 6px; padding: 9px 16px; border: 0; border-radius: 8px;
	background: var(--udt-accent); color: #0d1410; font-size: 0.83rem; font-weight: 600; cursor: pointer;
}

#udt-overlay .udt-intro {
	position: absolute; left: 16px; top: 16px; z-index: 45;
	display: flex; gap: 10px; max-width: 290px; padding: 14px;
	border: 1px solid var(--udt-line); border-radius: 12px;
	background: var(--udt-panel); box-shadow: var(--udt-sh-2);
}
#udt-overlay .udt-intro[hidden] { display: none; }
#udt-overlay .udt-intro > svg { margin-top: 1px; color: var(--udt-accent); }
#udt-overlay .udt-intro-body strong { display: block; margin-bottom: 6px; font-size: 0.85rem; }
#udt-overlay .udt-intro-body ul {
	margin: 0 0 10px; padding-left: 16px; list-style: disc;
	font-size: 0.78rem; line-height: 1.6; color: var(--udt-muted);
}
#udt-overlay .udt-intro-body li { margin: 0; }
#udt-overlay .udt-intro-dismiss {
	padding: 7px 14px; border: 1px solid var(--udt-line); border-radius: 7px;
	background: var(--udt-panel-2); color: var(--udt-text);
	font-size: 0.78rem; font-weight: 600; cursor: pointer;
}
#udt-overlay .udt-intro-dismiss:hover { border-color: var(--udt-line-2); }

#udt-overlay .udt-zoom {
	position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 50;
	display: flex; align-items: center; gap: 2px; padding: 4px;
	border: 1px solid var(--udt-line); border-radius: 99px;
	background: rgba(30,32,38,0.92); box-shadow: var(--udt-sh-2);
}
#udt-overlay .udt-zoom-btn {
	display: flex; align-items: center; justify-content: center;
	width: 34px; height: 34px; border: 0; border-radius: 99px;
	background: transparent; color: var(--udt-text); cursor: pointer;
}
#udt-overlay .udt-zoom-btn:hover { background: rgba(255,255,255,0.08); }
#udt-overlay .udt-zoom-reset {
	width: auto; padding: 0 12px; color: var(--udt-muted);
	font-size: 0.78rem; font-weight: 600; font-variant-numeric: tabular-nums;
}

#udt-overlay .udt-fullscreen {
	position: absolute; bottom: 18px; left: 18px; z-index: 60;
	display: flex; align-items: center; justify-content: center;
	width: 38px; height: 38px; border: 1px solid var(--udt-line); border-radius: 10px;
	background: rgba(30,32,38,0.92); box-shadow: var(--udt-sh-1);
	color: var(--udt-text); cursor: pointer;
}
#udt-overlay .udt-fullscreen:hover { border-color: var(--udt-line-2); }

/* ----- Colours ----- */
#udt-overlay .udt-colorbar {
	flex-shrink: 0; height: 104px; display: flex; align-items: center; gap: 10px;
	padding: 0 14px; background: var(--udt-panel); border-top: 1px solid var(--udt-line);
	overflow-x: auto; overflow-y: hidden; white-space: nowrap; -webkit-overflow-scrolling: touch;
}
/* Swipe strips, not scroll panes — the bar itself is visual noise. */
#udt-overlay .udt-colorbar { scrollbar-width: none; }
#udt-overlay .udt-colorbar::-webkit-scrollbar { display: none; }
#udt-overlay .udt-color {
	flex: 0 0 auto; width: 76px; display: flex; flex-direction: column;
	align-items: center; gap: 7px; padding: 0; border: 0; background: none; cursor: pointer;
}
/* The ring is a box-shadow, not a border, so selecting one does not shift the row. */
#udt-overlay .udt-color-swatch {
	width: 48px; height: 48px; border-radius: 50%;
	box-shadow: inset 0 0 0 1px rgba(0,0,0,0.35), 0 0 0 2px var(--udt-line);
	transition: transform 0.12s, box-shadow 0.15s;
}
#udt-overlay .udt-color:hover .udt-color-swatch { transform: translateY(-2px); }
#udt-overlay .udt-color.is-active .udt-color-swatch {
	box-shadow: inset 0 0 0 1px rgba(0,0,0,0.35), 0 0 0 2px var(--udt-accent), 0 0 0 5px var(--udt-accent-soft);
}
#udt-overlay .udt-color-name {
	font-size: 0.68rem; line-height: 1.2; text-align: center;
	white-space: normal; color: var(--udt-muted);
}
#udt-overlay .udt-color.is-active .udt-color-name { color: var(--udt-text); }

/* ----- Toast ----- */
#udt-overlay .udt-toast {
	position: absolute; right: 16px; bottom: 16px; z-index: 200;
	max-width: 320px; padding: 11px 15px;
	border: 1px solid var(--udt-line); border-left: 3px solid var(--udt-accent);
	border-radius: 9px; background: var(--udt-panel); box-shadow: var(--udt-sh-2);
	font-size: 0.83rem; color: var(--udt-text);
}
#udt-overlay .udt-toast[hidden] { display: none; }
#udt-overlay .udt-toast.is-error { border-left-color: var(--udt-danger); }

/* ----- Distraction-free ----- */
#udt-overlay .distraction-free .udt-sidebar,
#udt-overlay .distraction-free .udt-colorbar,
#udt-overlay .distraction-free .udt-header { display: none !important; }
#udt-overlay .distraction-free .udt-canvas-area { width: 100%; height: 100%; }

@media (prefers-reduced-motion: reduce) {
	#udt-overlay * { transition: none !important; animation: none !important; }
}

/* ----- Phone, portrait: canvas first, tools in a scrolling dock ----- */
@media (max-width: 768px) and (orientation: portrait) {
	#udt-overlay .udt-header { height: 46px; padding: 0 10px; gap: 8px; }
	#udt-overlay .udt-header h3 { font-size: 0.85rem; }
	#udt-overlay .udt-header-actions button { padding: 8px 12px; font-size: 0.8rem; }
	#udt-overlay .udt-btn-save { min-width: 0; }
	#udt-overlay .udt-sidebar { scrollbar-width: none; }
	#udt-overlay .udt-sidebar::-webkit-scrollbar { display: none; }
	#udt-overlay .udt-main-row { flex-direction: column; }
	#udt-overlay .udt-canvas-area { order: 1; flex: 1 1 auto; width: 100%; min-height: 0; }
	#udt-overlay .udt-sidebar {
		order: 2; flex: 0 0 auto; width: 100%; flex-direction: row; align-items: center;
		gap: 8px; padding: 8px 10px; border-right: 0; border-top: 1px solid var(--udt-line);
		overflow-x: auto; overflow-y: hidden;
	}
	#udt-overlay .udt-group { flex: 0 0 auto; flex-direction: row; align-items: center; gap: 6px; }
	#udt-overlay .udt-group + .udt-group { padding-left: 8px; border-left: 1px solid var(--udt-line); }
	#udt-overlay .udt-group-label { display: none; }
	#udt-overlay .udt-print-note { display: none; }
	#udt-overlay .udt-size-row { flex-wrap: nowrap; }
	#udt-overlay .udt-size-btn { min-width: 40px; height: 44px; }
	#udt-overlay .udt-tool { width: auto; height: 44px; padding: 0 13px; white-space: nowrap; }
	#udt-overlay .udt-tool-icon { width: 44px; padding: 0; }
	#udt-overlay .udt-selection {
		flex: 0 0 auto; flex-direction: row; align-items: center; gap: 6px;
		padding: 0 0 0 8px; border: 0; border-left: 1px solid var(--udt-line);
		border-radius: 0; background: none;
	}
	#udt-overlay .udt-selection[data-active="false"] { display: none; }
	#udt-overlay .udt-dims-group { width: 92px; height: 44px; }
	#udt-overlay .udt-sel-actions { margin-top: 0; }
	#udt-overlay .udt-sel-actions .udt-tool { width: 44px; padding: 0; }
	#udt-overlay .udt-sel-actions .udt-tool span { display: none; }
	#udt-overlay .udt-hint { display: none; }
	#udt-overlay .udt-colorbar { height: 88px; gap: 8px; padding: 0 10px; }
	#udt-overlay .udt-color { width: 62px; gap: 5px; }
	#udt-overlay .udt-color-swatch { width: 40px; height: 40px; }
	#udt-overlay .udt-color-name { font-size: 0.62rem; }
	#udt-overlay .udt-empty { padding: 20px 22px; }
	#udt-overlay .udt-intro { left: 10px; right: 10px; top: 10px; max-width: none; }
	#udt-overlay .udt-toast { left: 10px; right: 10px; max-width: none; }
}

/* ----- Phone, landscape: narrow icon rail ----- */
@media (max-width: 900px) and (orientation: landscape) {
	#udt-overlay .udt-header { display: none; }
	#udt-overlay .udt-main-row { flex-direction: row; }
	#udt-overlay .udt-sidebar { width: 84px; height: 100%; gap: 10px; padding: 8px; }
	#udt-overlay .udt-sidebar { scrollbar-width: none; }
	#udt-overlay .udt-sidebar::-webkit-scrollbar { display: none; }
	#udt-overlay .udt-group-label { display: none; }
	#udt-overlay .udt-print-note { display: none; }
	/* Two columns, or six stacked size buttons alone overflow a short viewport. */
	#udt-overlay .udt-size-row { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
	#udt-overlay .udt-size-btn { width: 100%; min-width: 0; padding: 7px 0; font-size: 0.7rem; }
	#udt-overlay .udt-tool { justify-content: center; height: 42px; padding: 0; }
	#udt-overlay .udt-tool span { display: none; }
	#udt-overlay .udt-selection { padding: 8px 6px; }
	#udt-overlay .udt-dims-row { flex-direction: column; gap: 6px; }
	#udt-overlay .udt-dims-group { padding: 5px 6px; }
	#udt-overlay .udt-dims-label,
	#udt-overlay .udt-dims-unit { display: none; }
	#udt-overlay .udt-dims-input { text-align: center; font-size: 0.78rem; }
	#udt-overlay .udt-sel-actions { flex-direction: column; margin-top: 8px; }
	#udt-overlay .udt-hint { display: none; }
	#udt-overlay .udt-canvas-area { flex: 1; height: 100%; }
	#udt-overlay .udt-colorbar { height: 74px; }
	#udt-overlay .udt-color { width: 58px; gap: 4px; }
	#udt-overlay .udt-color-swatch { width: 36px; height: 36px; }
	#udt-overlay .udt-color-name { font-size: 0.6rem; }
	#udt-overlay .udt-intro { max-width: 240px; padding: 10px; }
}