/* ==========================================================================
   Poster Printer – Styles
   ========================================================================== */

:root {
	--pp-primary: #3b82f6;
	--pp-primary-hover: #2563eb;
	--pp-primary-active: #1d4ed8;
	--pp-bg: #f1f5f9;
	--pp-card: #ffffff;
	--pp-text: #0f172a;
	--pp-text-secondary: #64748b;
	--pp-border: #e2e8f0;
	--pp-border-focus: #93c5fd;
	--pp-radius: 12px;
	--pp-radius-sm: 8px;
	--pp-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
	--pp-shadow-lg: 0 10px 25px rgba(0,0,0,.1), 0 4px 10px rgba(0,0,0,.06);
	--pp-transition: .2s ease;
	--pp-grid-line: rgba(239,68,68,.85);
	--pp-overlap-tint: rgba(59,130,246,.12);
	--pp-hover-tint: rgba(59,130,246,.25);
	--pp-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset ---------- */

.poster-printer-page {
	margin: 0;
	padding: 0;
	background: var(--pp-bg);
	color: var(--pp-text);
	font-family: var(--pp-font);
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

.poster-printer-page *,
.poster-printer-page *::before,
.poster-printer-page *::after {
	box-sizing: border-box;
}

#pp-app {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

/* ---------- Header ---------- */

.pp-header {
	background: var(--pp-card);
	border-bottom: 1px solid var(--pp-border);
	padding: 16px 24px;
	text-align: center;
}

.pp-title {
	margin: 0;
	font-size: 22px;
	font-weight: 700;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
}

.pp-logo {
	color: var(--pp-primary);
}

.pp-subtitle {
	margin: 4px 0 0;
	font-size: 14px;
	color: var(--pp-text-secondary);
}

/* ---------- Main ---------- */

.pp-main {
	flex: 1;
	display: flex;
	flex-direction: column;
}

/* ---------- Screens ---------- */

.pp-screen {
	display: none;
}

.pp-screen.pp-active {
	display: flex;
	flex-direction: column;
	flex: 1;
}

/* ---------- Upload Screen ---------- */

#pp-upload-screen {
	align-items: center;
	justify-content: center;
	padding: 40px 20px;
	gap: 48px;
}

.pp-upload-zone {
	width: 100%;
	max-width: 560px;
	background: var(--pp-card);
	border: 2px dashed var(--pp-border);
	border-radius: var(--pp-radius);
	padding: 60px 32px;
	text-align: center;
	cursor: pointer;
	transition: border-color var(--pp-transition), background var(--pp-transition), box-shadow var(--pp-transition);
}

.pp-upload-zone:hover,
.pp-upload-zone.pp-dragover {
	border-color: var(--pp-primary);
	background: rgba(59,130,246,.04);
	box-shadow: var(--pp-shadow-lg);
}

.pp-upload-zone.pp-dragover {
	border-style: solid;
}

.pp-upload-icon {
	color: var(--pp-primary);
	margin-bottom: 16px;
}

.pp-upload-zone h2 {
	margin: 0 0 8px;
	font-size: 20px;
	font-weight: 600;
}

.pp-upload-zone p {
	margin: 0 0 4px;
	font-size: 14px;
	color: var(--pp-text-secondary);
}

.pp-upload-formats {
	font-size: 12px !important;
	color: var(--pp-text-secondary);
	opacity: .7;
	margin-bottom: 20px !important;
}

/* How it works */

.pp-how-it-works {
	text-align: center;
	max-width: 700px;
}

.pp-how-it-works h3 {
	font-size: 16px;
	font-weight: 600;
	margin: 0 0 16px;
	color: var(--pp-text-secondary);
}

.pp-steps {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 12px;
}

.pp-step {
	display: flex;
	align-items: center;
	gap: 8px;
	background: var(--pp-card);
	padding: 10px 16px;
	border-radius: 999px;
	font-size: 14px;
	box-shadow: var(--pp-shadow);
}

.pp-step-num {
	width: 24px;
	height: 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--pp-primary);
	color: #fff;
	border-radius: 50%;
	font-size: 12px;
	font-weight: 700;
	flex-shrink: 0;
}

/* ---------- Editor Screen ---------- */

#pp-editor-screen.pp-active {
	display: flex;
	flex: 1;
}

.pp-editor-layout {
	display: flex;
	flex: 1;
	min-height: 0;
}

/* Sidebar */

.pp-sidebar {
	width: 300px;
	flex-shrink: 0;
	background: var(--pp-card);
	border-right: 1px solid var(--pp-border);
	padding: 16px;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.pp-image-info {
	display: flex;
	flex-direction: column;
	gap: 2px;
	padding: 10px 12px;
	background: var(--pp-bg);
	border-radius: var(--pp-radius-sm);
	margin-bottom: 8px;
}

.pp-image-name {
	font-weight: 600;
	font-size: 13px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.pp-image-dims {
	font-size: 12px;
	color: var(--pp-text-secondary);
}

.pp-setting-group {
	padding: 12px 0;
	border-bottom: 1px solid var(--pp-border);
}

.pp-setting-group:last-child {
	border-bottom: none;
}

.pp-setting-group h4 {
	margin: 0 0 10px;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: .06em;
	color: var(--pp-text-secondary);
}

.pp-field {
	margin-bottom: 10px;
}

.pp-field:last-child {
	margin-bottom: 0;
}

.pp-field > label {
	display: block;
	font-size: 13px;
	font-weight: 500;
	margin-bottom: 4px;
}

.pp-field input[type="number"],
.pp-field select {
	width: 100%;
	padding: 7px 10px;
	border: 1px solid var(--pp-border);
	border-radius: 6px;
	font-size: 14px;
	font-family: inherit;
	background: var(--pp-card);
	color: var(--pp-text);
	transition: border-color var(--pp-transition), box-shadow var(--pp-transition);
}

.pp-field input[type="number"]:focus,
.pp-field select:focus {
	outline: none;
	border-color: var(--pp-border-focus);
	box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.pp-hint {
	margin: 4px 0 0;
	font-size: 11px;
	color: var(--pp-text-secondary);
}

/* Field row (width + lock + height) */

.pp-field-row {
	display: flex;
	align-items: flex-end;
	gap: 6px;
}

.pp-field-half {
	flex: 1;
	min-width: 0;
}

.pp-lock-btn {
	background: none;
	border: 1px solid var(--pp-border);
	border-radius: 6px;
	padding: 7px 6px;
	cursor: pointer;
	color: var(--pp-primary);
	transition: background var(--pp-transition);
	flex-shrink: 0;
	margin-bottom: 0;
	display: flex;
	align-items: center;
}

.pp-lock-btn:hover {
	background: var(--pp-bg);
}

.pp-lock-btn.locked .pp-icon-lock { display: block; }
.pp-lock-btn.locked .pp-icon-unlock { display: none; }
.pp-lock-btn:not(.locked) .pp-icon-lock { display: none; }
.pp-lock-btn:not(.locked) .pp-icon-unlock { display: block; }

/* Range row */

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

.pp-range-row input[type="range"] {
	flex: 1;
	accent-color: var(--pp-primary);
}

.pp-range-value {
	width: 60px;
	padding: 5px 8px;
	border: 1px solid var(--pp-border);
	border-radius: 6px;
	font-size: 13px;
	font-family: inherit;
	text-align: center;
	color: var(--pp-text);
	background: var(--pp-card);
}

.pp-range-value:focus {
	outline: none;
	border-color: var(--pp-border-focus);
	box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

/* Checkbox */

.pp-checkbox {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	cursor: pointer;
	margin-bottom: 8px;
}

.pp-checkbox:last-child {
	margin-bottom: 0;
}

.pp-checkbox input[type="checkbox"] {
	accent-color: var(--pp-primary);
	width: 16px;
	height: 16px;
}

/* ---------- Content area ---------- */

.pp-content {
	flex: 1;
	display: flex;
	flex-direction: column;
	min-width: 0;
	padding: 16px;
	gap: 12px;
}

/* Preview */

.pp-preview-wrap {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--pp-bg);
	border: 1px solid var(--pp-border);
	border-radius: var(--pp-radius);
	position: relative;
	overflow: hidden;
	min-height: 300px;
}

#pp-preview-canvas {
	display: block;
	max-width: 100%;
	max-height: 100%;
}

/* Tooltip */

.pp-tooltip {
	position: fixed;
	pointer-events: none;
	background: var(--pp-text);
	color: #fff;
	font-size: 12px;
	padding: 6px 10px;
	border-radius: 6px;
	white-space: nowrap;
	z-index: 1000;
	opacity: 0;
	transition: opacity .15s;
}

.pp-tooltip.pp-visible {
	opacity: 1;
}

/* Info bar */

.pp-info-bar {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.pp-info-item {
	flex: 1 1 120px;
	background: var(--pp-card);
	border: 1px solid var(--pp-border);
	border-radius: var(--pp-radius-sm);
	padding: 10px 14px;
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.pp-info-label {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: .04em;
	color: var(--pp-text-secondary);
	font-weight: 600;
}

.pp-info-value {
	font-size: 15px;
	font-weight: 700;
}

/* Actions */

.pp-actions {
	display: flex;
	gap: 10px;
}

/* ---------- Buttons ---------- */

.pp-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	font-family: inherit;
	font-size: 14px;
	font-weight: 600;
	padding: 10px 20px;
	border: none;
	border-radius: var(--pp-radius-sm);
	cursor: pointer;
	transition: background var(--pp-transition), box-shadow var(--pp-transition), transform .1s;
}

.pp-btn:active {
	transform: scale(.97);
}

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

.pp-btn-primary:hover {
	background: var(--pp-primary-hover);
	box-shadow: var(--pp-shadow);
}

.pp-btn-primary:active {
	background: var(--pp-primary-active);
}

.pp-btn-secondary {
	background: var(--pp-bg);
	color: var(--pp-text);
	border: 1px solid var(--pp-border);
}

.pp-btn-secondary:hover {
	background: #e2e8f0;
}

.pp-btn-lg {
	padding: 12px 32px;
	font-size: 15px;
	flex: 1;
}

.pp-btn:disabled {
	opacity: .5;
	cursor: not-allowed;
}

/* ---------- Progress overlay ---------- */

.pp-overlay {
	position: fixed;
	inset: 0;
	background: rgba(15,23,42,.5);
	backdrop-filter: blur(4px);
	display: none;
	align-items: center;
	justify-content: center;
	z-index: 9999;
}

.pp-overlay.pp-visible {
	display: flex;
}

.pp-progress-card {
	background: var(--pp-card);
	border-radius: var(--pp-radius);
	padding: 32px 40px;
	text-align: center;
	min-width: 320px;
	box-shadow: var(--pp-shadow-lg);
}

.pp-progress-card h3 {
	margin: 0 0 16px;
	font-size: 18px;
	font-weight: 600;
}

.pp-progress-track {
	width: 100%;
	height: 8px;
	background: var(--pp-bg);
	border-radius: 999px;
	overflow: hidden;
}

.pp-progress-bar {
	height: 100%;
	background: var(--pp-primary);
	border-radius: 999px;
	width: 0;
	transition: width .25s ease;
}

.pp-progress-card p {
	margin: 12px 0 0;
	font-size: 13px;
	color: var(--pp-text-secondary);
}

/* ---------- Error message ---------- */

.pp-error {
	background: #fef2f2;
	color: #991b1b;
	border: 1px solid #fecaca;
	border-radius: var(--pp-radius-sm);
	padding: 12px 16px;
	font-size: 13px;
	margin-bottom: 12px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
	.pp-editor-layout {
		flex-direction: column;
	}

	.pp-sidebar {
		width: 100%;
		border-right: none;
		border-bottom: 1px solid var(--pp-border);
		max-height: 45vh;
		flex-shrink: 0;
	}

	.pp-preview-wrap {
		min-height: 250px;
	}
}

@media (max-width: 600px) {
	.pp-header {
		padding: 12px 16px;
	}

	.pp-title {
		font-size: 18px;
	}

	.pp-subtitle {
		font-size: 12px;
	}

	.pp-upload-zone {
		padding: 40px 20px;
	}

	.pp-steps {
		flex-direction: column;
		align-items: center;
	}

	.pp-actions {
		flex-direction: column;
	}

	.pp-btn-lg {
		width: 100%;
	}

	.pp-info-bar {
		flex-direction: column;
	}
}