/* Liquify TMA — Mobile styles */

:root {
	--sb: env(safe-area-inset-bottom, 0px);
	--st: env(safe-area-inset-top, 0px);
	--sl: env(safe-area-inset-left, 0px);
	--sr: env(safe-area-inset-right, 0px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
	width: 100%; height: 100%;
	overflow: hidden;
	background: #000;
	touch-action: none;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	user-select: none;
}

#canvas {
	position: fixed;
	top: 0; left: 0;
	width: 100%; height: 100%;
	display: block;
	margin: 0; padding: 0; border: none;
	cursor: crosshair;
	z-index: 1;
}

/* ── UI buttons ── */

.ui-btn {
	position: fixed;
	z-index: 50;
	width: 40px; height: 40px;
	border-radius: 12px;
	background: rgba(255,255,255,0.08);
	border: 1px solid rgba(255,255,255,0.12);
	color: rgba(255,255,255,0.55);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
	transition: background 0.15s, transform 0.1s;
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}
.ui-btn:active { transform: scale(0.9); background: rgba(255,255,255,0.18); }
.ui-btn svg { width: 20px; height: 20px; }

#btn-settings {
	bottom: calc(12px + var(--sb));
	left: calc(12px + var(--sl));
}
#btn-save {
	bottom: calc(60px + var(--sb));
	left: calc(12px + var(--sl));
}
#btn-refresh {
	bottom: calc(108px + var(--sb));
	left: calc(12px + var(--sl));
}
#btn-animate {
	bottom: calc(156px + var(--sb));
	left: calc(12px + var(--sl));
}

/* ── Settings panel ── */

#settings-panel {
	position: fixed;
	bottom: calc(60px + var(--sb));
	left: calc(60px + var(--sl));
	width: 200px;
	background: rgba(16,16,20,0.88);
	backdrop-filter: blur(24px);
	-webkit-backdrop-filter: blur(24px);
	border: 1px solid rgba(255,255,255,0.1);
	border-radius: 14px;
	padding: 6px;
	z-index: 100;
	opacity: 0;
	transform: scale(0.92) translateY(8px);
	transform-origin: bottom left;
	pointer-events: none;
	transition: opacity 0.2s ease, transform 0.2s ease;
}
#settings-panel.open {
	opacity: 1;
	transform: scale(1) translateY(0);
	pointer-events: auto;
}

/* ── Panel slider ── */

.panel-slider-row {
	padding: 8px 12px;
	display: flex;
	align-items: center;
	gap: 10px;
}
.panel-label {
	color: rgba(255,255,255,0.5);
	font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
	font-size: 12px;
	font-weight: 500;
	flex-shrink: 0;
	min-width: 42px;
}
.panel-value {
	color: rgba(255,255,255,0.35);
	font-family: -apple-system, BlinkMacSystemFont, sans-serif;
	font-size: 11px;
	min-width: 26px;
	text-align: right;
}
.panel-slider-row input[type="range"] {
	flex: 1;
	height: 4px;
	-webkit-appearance: none;
	appearance: none;
	background: rgba(255,255,255,0.15);
	border-radius: 2px;
	outline: none;
}
.panel-slider-row input[type="range"]::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 20px; height: 20px;
	border-radius: 50%;
	background: #a18aff;
	cursor: pointer;
}

/* ── Panel divider ── */

.panel-divider {
	height: 1px;
	background: rgba(255,255,255,0.08);
	margin: 4px 12px;
}

/* ── Background type items ── */

.bg-item {
	padding: 10px 12px;
	border-radius: 10px;
	color: rgba(255,255,255,0.7);
	font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
	font-size: 14px;
	font-weight: 500;
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: 10px;
	transition: background 0.12s;
}
.bg-item:active { background: rgba(255,255,255,0.08); }
.bg-item.active {
	color: #a18aff;
	background: rgba(124,107,255,0.12);
}
.bg-dot {
	width: 10px; height: 10px;
	border-radius: 50%;
	flex-shrink: 0;
}

.bg-item[data-bg="GradGrid"] .bg-dot {
	background: linear-gradient(135deg, #e6a, #48f, #4d8);
}
.bg-item[data-bg="Gradient"] .bg-dot {
	background: linear-gradient(135deg, #48f, #c6f);
}
.bg-item[data-bg="ColorGrid"] .bg-dot {
	background: conic-gradient(#f44, #ff0, #0f0, #0ff, #44f, #f0f, #f44);
}
.bg-item[data-bg="Mondrian"] .bg-dot {
	background: linear-gradient(to right, #e00 33%, #fff 33%, #fff 66%, #00e 66%);
}

/* ── Toast ── */

#toast {
	position: fixed;
	bottom: calc(32px + var(--sb));
	left: 50%;
	transform: translateX(-50%) translateY(20px);
	z-index: 200;
	background: rgba(16,16,20,0.88);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border: 1px solid rgba(255,255,255,0.1);
	border-radius: 10px;
	padding: 10px 20px;
	color: rgba(255,255,255,0.8);
	font-family: -apple-system, BlinkMacSystemFont, sans-serif;
	font-size: 13px;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.25s, transform 0.25s;
}
#toast.show {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

/* ── Hide original UI elements ── */

#toolDiv, #gui, #canvasSizeTextBox,
#videoRecordingMessageDiv, .custom-file-upload,
#imageInput { display: none !important; }