/* PDF Form Filler — frontend styles */

.pdfff-wrap {
	--pdfff-border: #d7dbe0;
	--pdfff-bg: #ffffff;
	--pdfff-bg-soft: #f7f8fa;
	--pdfff-primary: #2563eb;
	--pdfff-primary-hover: #1d4ed8;
	--pdfff-text: #1f2328;
	--pdfff-muted: #6b7280;
	--pdfff-error: #b42318;
	--pdfff-error-bg: #fef3f2;
	--pdfff-radius: 8px;

	box-sizing: border-box;
	max-width: 100%;
	color: var(--pdfff-text);
	font-size: 15px;
	line-height: 1.5;
	background: var(--pdfff-bg);
	border: 1px solid var(--pdfff-border);
	border-radius: var(--pdfff-radius);
	padding: 20px;
}

.pdfff-wrap *,
.pdfff-wrap *::before,
.pdfff-wrap *::after {
	box-sizing: border-box;
}

.pdfff-title {
	margin: 0 0 16px;
	font-size: 18px;
}

.pdfff-upload-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px;
}

.pdfff-file-label {
	display: inline-flex;
	align-items: center;
	padding: 10px 16px;
	background: var(--pdfff-bg-soft);
	border: 1px solid var(--pdfff-border);
	border-radius: var(--pdfff-radius);
	cursor: pointer;
	font-weight: 600;
	transition: background 0.15s ease;
}

.pdfff-file-label:hover {
	background: #eef0f3;
}

.pdfff-file-input {
	/* Visually hidden but still accessible/keyboard-operable */
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
}

.pdfff-filename {
	color: var(--pdfff-muted);
	font-size: 14px;
	word-break: break-all;
}

.pdfff-status {
	margin-top: 14px;
	font-size: 14px;
}

.pdfff-status:empty {
	display: none;
}

.pdfff-status[data-state="error"] {
	color: var(--pdfff-error);
	background: var(--pdfff-error-bg);
	border: 1px solid #f4c7c1;
	border-radius: var(--pdfff-radius);
	padding: 10px 14px;
}

.pdfff-status[data-state="info"] {
	color: var(--pdfff-muted);
}

.pdfff-status[data-state="loading"] {
	color: var(--pdfff-muted);
}

.pdfff-fillable-panel {
	margin-top: 18px;
	padding-bottom: 18px;
	border-bottom: 1px solid var(--pdfff-border);
}

.pdfff-fields-list {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 14px 18px;
}

.pdfff-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
	min-width: 0;
}

.pdfff-field-checkbox {
	flex-direction: row;
	align-items: center;
}

.pdfff-field label.pdfff-field-label {
	font-size: 13px;
	font-weight: 600;
	color: var(--pdfff-text);
	word-break: break-word;
}

.pdfff-field-checkbox label.pdfff-field-label {
	order: 2;
}

.pdfff-required-mark {
	color: var(--pdfff-error);
	margin-left: 2px;
}

.pdfff-field input[type="text"],
.pdfff-field input[type="number"],
.pdfff-field textarea,
.pdfff-field select {
	width: 100%;
	padding: 8px 10px;
	border: 1px solid var(--pdfff-border);
	border-radius: 6px;
	font-size: 14px;
	font-family: inherit;
	background: #fff;
	color: var(--pdfff-text);
}

.pdfff-field textarea {
	min-height: 70px;
	resize: vertical;
}

.pdfff-field input:disabled,
.pdfff-field select:disabled,
.pdfff-field textarea:disabled {
	background: var(--pdfff-bg-soft);
	color: var(--pdfff-muted);
}

.pdfff-field input[type="checkbox"] {
	width: 18px;
	height: 18px;
	order: 1;
}

.pdfff-radio-group,
.pdfff-optionlist-group {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.pdfff-radio-option {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 14px;
}

.pdfff-field-note {
	font-size: 12px;
	color: var(--pdfff-muted);
	font-style: italic;
}

/* Overlay (non-fillable) mode */

.pdfff-overlay-panel {
	margin-top: 18px;
}

.pdfff-overlay-toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px;
	margin-bottom: 12px;
	font-size: 14px;
}

.pdfff-page-indicator {
	font-weight: 600;
	min-width: 90px;
	text-align: center;
}

.pdfff-fontsize-label {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--pdfff-muted);
}

.pdfff-fontsize-input {
	width: 60px;
	padding: 5px 6px;
	border: 1px solid var(--pdfff-border);
	border-radius: 6px;
}

.pdfff-hint {
	color: var(--pdfff-muted);
	font-size: 13px;
	flex-basis: 100%;
}

.pdfff-toolbar-sep {
	width: 1px;
	align-self: stretch;
	background: var(--pdfff-border);
}

.pdfff-mode-toggle,
.pdfff-zoom-controls {
	display: inline-flex;
	align-items: center;
	gap: 4px;
}

.pdfff-mode-btn {
	appearance: none;
	border: 1px solid var(--pdfff-border);
	background: var(--pdfff-bg-soft);
	color: var(--pdfff-text);
	padding: 7px 12px;
	border-radius: 6px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
}

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

.pdfff-zoom-btn {
	padding: 6px 12px;
	line-height: 1;
}

.pdfff-zoom-level {
	min-width: 42px;
	text-align: center;
	font-size: 13px;
	color: var(--pdfff-muted);
}

.pdfff-canvas-wrap {
	position: relative;
	overflow: auto;
	max-width: 100%;
	border: 1px solid var(--pdfff-border);
	background: var(--pdfff-bg-soft);
	border-radius: var(--pdfff-radius);
}

.pdfff-canvas-wrap canvas {
	display: block;
	cursor: crosshair;
}

.pdfff-canvas-wrap canvas[data-pdfff="preview-canvas"] {
	position: absolute;
	top: 0;
	left: 0;
	pointer-events: none;
	cursor: default;
}

.pdfff-overlay-layer {
	position: absolute;
	top: 0;
	left: 0;
	pointer-events: none;
}

.pdfff-overlay-field {
	position: absolute;
	pointer-events: none; /* only specific children (input, controls, tickbox) opt back in */
}

.pdfff-overlay-input {
	position: relative !important;
	display: block !important;
	pointer-events: auto;
	box-sizing: content-box !important;
	appearance: none !important;
	-webkit-appearance: none !important;
	border: 1px dashed var(--pdfff-primary) !important;
	border-radius: 3px !important;
	background: transparent !important;
	padding: 0 2px !important;
	margin: 0 !important;
	min-width: 70px;
	max-width: none !important;
	min-height: 0 !important;
	max-height: none !important;
	height: auto !important;
	width: auto !important;
	font-family: Helvetica, Arial, sans-serif !important;
	font-weight: normal !important;
	font-style: normal !important;
	line-height: 1 !important;
	vertical-align: top !important;
	box-shadow: none !important;
	outline: none !important;
	transition: background 0.1s ease;
	/* The glyphs you actually see come from the preview canvas underneath,
	   drawn with the exact same math used for the PDF export — so what's
	   visible is a guaranteed match, not a second approximation. The input
	   itself stays functionally present (for typing/focus/selection) with
	   only its caret visible. */
	color: transparent !important;
	caret-color: var(--pdfff-primary);
}

.pdfff-overlay-input:hover,
.pdfff-overlay-input:focus {
	background: rgba(255, 255, 255, 0.85) !important;
	box-shadow: none !important;
}

.pdfff-field-controls {
	position: absolute;
	left: 100%;
	top: 50%;
	transform: translateY(-50%);
	margin-left: 4px;
	display: flex;
	align-items: center;
	gap: 2px;
	background: rgba(255, 255, 255, 0.95);
	border: 1px solid var(--pdfff-border);
	border-radius: 4px;
	padding: 1px 2px;
	pointer-events: auto;
	white-space: nowrap;
}

.pdfff-drag-handle {
	cursor: grab;
	color: var(--pdfff-muted);
	user-select: none;
	font-size: 13px;
	line-height: 1;
	padding: 2px;
}

.pdfff-drag-handle:active {
	cursor: grabbing;
}

.pdfff-remove-field {
	cursor: pointer;
	color: var(--pdfff-error);
	border: none;
	background: transparent;
	font-size: 15px;
	line-height: 1;
	padding: 0 3px;
}

.pdfff-field-fontsize {
	width: 34px;
	border: none;
	border-left: 1px solid var(--pdfff-border);
	background: transparent;
	padding: 2px 3px;
	font-size: 11px;
}

.pdfff-nudge-btn {
	cursor: pointer;
	border: none;
	border-left: 1px solid var(--pdfff-border);
	background: transparent;
	color: var(--pdfff-muted);
	font-size: 9px;
	line-height: 1;
	padding: 4px 4px;
}

.pdfff-nudge-btn:hover {
	color: var(--pdfff-primary);
}

/* Tick (checkbox) marker */

.pdfff-tick-box {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	border: 2px solid var(--pdfff-primary);
	border-radius: 3px;
	background: #fff;
	cursor: pointer;
	color: var(--pdfff-primary);
	font-weight: 700;
	line-height: 1;
	user-select: none;
	pointer-events: auto;
}

.pdfff-tick-box.is-unchecked {
	color: transparent;
}

/* Actions */

.pdfff-actions {
	margin-top: 20px;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 16px;
}

.pdfff-flatten-row {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 14px;
	color: var(--pdfff-muted);
}

.pdfff-btn {
	appearance: none;
	border: 1px solid var(--pdfff-border);
	background: var(--pdfff-bg-soft);
	color: var(--pdfff-text);
	padding: 9px 16px;
	border-radius: 6px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.15s ease, transform 0.05s ease;
}

.pdfff-btn:hover {
	background: #eef0f3;
}

.pdfff-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

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

.pdfff-btn-primary:hover {
	background: var(--pdfff-primary-hover);
}

.pdfff-btn-secondary {
	padding: 6px 12px;
}

@media (max-width: 480px) {
	.pdfff-wrap {
		padding: 14px;
	}

	.pdfff-fields-list {
		grid-template-columns: 1fr;
	}
}