app.css

@import 'tailwindcss';
@plugin 'flowbite/plugin';
@import 'flowbite/src/themes/default.css';
@custom-variant dark (&:where(.dark, .dark *));

/* Reserve scrollbar width so horizontal padding stays visually symmetric when scrollbars appear */
html {
	scrollbar-gutter: stable;
}

/*
 * Central theme: edit primary scale + app shell here.
 * Flowbite plugin forms/range use --color-brand*; Flowbite Svelte uses Tailwind `primary-*` for buttons/tabs.
 */
@theme {
	/* UI typography (loaded in +layout.svelte via fonts.googleapis.com) */
	--font-sans:
		'Google Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	--font-heading: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;

	/* Page / cards (slightly darker border than shell) */
	--color-app-shell: #f3f1f1;
	--color-card-border: #e8e5e5;

	/* primary = indigo (Tailwind default scale) */
	--color-primary-50: #eef2ff;
	--color-primary-100: #e0e7ff;
	--color-primary-200: #c7d2fe;
	--color-primary-300: #a5b4fc;
	--color-primary-400: #818cf8;
	--color-primary-500: #6366f1;
	--color-primary-600: #4f46e5;
	--color-primary-700: #4338ca;
	--color-primary-800: #3730a3;
	--color-primary-900: #312e81;

	--color-secondary-50: #f0f9ff;
	--color-secondary-100: #e0f2fe;
	--color-secondary-200: #bae6fd;
	--color-secondary-300: #7dd3fc;
	--color-secondary-400: #38bdf8;
	--color-secondary-500: #0ea5e9;
	--color-secondary-600: #0284c7;
	--color-secondary-700: #0369a1;
	--color-secondary-800: #075985;
	--color-secondary-900: #0c4a6e;

	/* Flowbite semantic brand → indigo (overrides blues from flowbite default theme) */
	--color-fg-brand-subtle: var(--color-indigo-200);
	--color-fg-brand: var(--color-indigo-700);
	--color-fg-brand-strong: var(--color-indigo-900);
	--color-brand-softer: var(--color-indigo-50);
	--color-brand-soft: var(--color-indigo-100);
	--color-brand: var(--color-indigo-700);
	--color-brand-medium: var(--color-indigo-200);
	--color-brand-strong: var(--color-indigo-800);
	--color-brand-subtle: var(--color-indigo-200);
	--color-brand-light: var(--color-indigo-600);
	--color-shiki-fg-brand: #a5b4fc;
	--color-shiki-fg-brand-subtle: #c7d2fe;
}

/* Dark: Flowbite default theme sets brand to blue — align with indigo */
.dark {
	--color-fg-brand-subtle: var(--color-indigo-200);
	--color-fg-brand: var(--color-indigo-500);
	--color-fg-brand-strong: var(--color-indigo-400);
	--color-brand-softer: var(--color-indigo-950);
	--color-brand-soft: var(--color-indigo-900);
	--color-brand: var(--color-indigo-600);
	--color-brand-medium: var(--color-indigo-900);
	--color-brand-strong: var(--color-indigo-700);
	--color-brand-subtle: var(--color-indigo-900);
	--color-brand-light: var(--color-indigo-600);
}

@source "../node_modules/flowbite-svelte/dist";
@source "../node_modules/flowbite-svelte-icons/dist";

/* --- Preview / alignment visualization --- */

.preview-frame {
	position: relative;
	width: 100%;
	margin-inline: auto;
	border-radius: 0;
	border: 1px solid var(--color-card-border);
	padding: 1.5rem;
	min-height: 12rem;
	overflow: hidden;
}

.preview-frame--light {
	background: #ffffff;
	color: var(--on-surface, #1c1b1f);
}

.preview-frame--dark {
	background: #1e1e1e;
	color: #e8e8e8;
	border-color: rgb(55 65 81);
}

/* Decorative style frames (drawn above the background, below the tokens/links) */
.preview-frame.aligner-frame-parchment::before,
.preview-frame.aligner-frame-parchment::after {
	content: '';
	position: absolute;
	pointer-events: none;
	z-index: 4;
}
.preview-frame.aligner-frame-parchment::before {
	inset: 14px;
	border: 2px solid rgb(184 144 47 / 0.55);
}
.preview-frame.aligner-frame-parchment::after {
	inset: 20px;
	border: 1px solid rgb(107 77 35 / 0.45);
}

.preview-frame.aligner-frame-bauhaus {
	border-color: #241f10;
	border-width: 4px;
}

.preview-frame.aligner-frame-blueprint {
	border-color: #1c4a86;
}
.preview-frame.aligner-frame-blueprint::after {
	content: '';
	position: absolute;
	inset: 10px;
	pointer-events: none;
	z-index: 4;
	border: 1px solid rgb(207 224 255 / 0.35);
}

/* Deco: double gold border + corner diamonds */
.preview-frame.aligner-frame-deco::before {
	content: '';
	position: absolute;
	inset: 16px;
	pointer-events: none;
	z-index: 4;
	border: 1.5px solid rgb(233 190 87 / 0.55);
}
.preview-frame.aligner-frame-deco::after {
	content: '';
	position: absolute;
	inset: 22px;
	pointer-events: none;
	z-index: 4;
	border: 0.75px solid rgb(233 190 87 / 0.3);
}
.aligner-deco-diamond {
	position: absolute;
	left: 50%;
	width: 12px;
	height: 12px;
	z-index: 4;
	background: #e9be57;
	pointer-events: none;
}
.aligner-deco-diamond--top {
	top: 16px;
	transform: translate(-50%, -50%) rotate(45deg);
}
.aligner-deco-diamond--bottom {
	bottom: 16px;
	transform: translate(-50%, 50%) rotate(45deg);
}

/* Nouveau: soft organic (oval) inset border */
.preview-frame.aligner-frame-nouveau::before {
	content: '';
	position: absolute;
	inset: 16px;
	pointer-events: none;
	z-index: 4;
	border: 1px solid rgb(123 134 93 / 0.5);
	border-radius: 90px / 18px;
}

/* Floating link hint — no panel chrome; halo keeps text readable on busy previews */
.preview-frame__link-hint {
	margin: 0;
	border: none;
	background: none;
	box-shadow: none;
	color: #374151;
	text-shadow:
		0 0 6px #fff,
		0 0 14px #fff,
		0 1px 2px rgb(255 255 255 / 0.95);
}

.preview-frame--dark .preview-frame__link-hint {
	color: #e5e7eb;
	text-shadow:
		0 0 8px rgb(0 0 0 / 0.85),
		0 0 18px rgb(0 0 0 / 0.75),
		0 1px 3px rgb(0 0 0 / 0.9);
}

/* Discoverability pill for the zoom gesture */
.preview-zoom-hint {
	position: absolute;
	right: 0.5rem;
	bottom: 0.5rem;
	z-index: 20;
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	padding: 0.2rem 0.55rem;
	font-family: var(--font-body, system-ui, sans-serif);
	font-size: 0.7rem;
	line-height: 1;
	border-radius: 9999px;
	pointer-events: none;
	color: #475569;
	background: rgb(255 255 255 / 0.82);
	border: 1px solid rgb(0 0 0 / 0.08);
	box-shadow: 0 1px 3px rgb(0 0 0 / 0.08);
	backdrop-filter: blur(4px);
}
.preview-frame--dark .preview-zoom-hint {
	color: #cbd5e1;
	background: rgb(24 24 27 / 0.7);
	border-color: rgb(255 255 255 / 0.12);
}

/* Interaction-only pan/zoom layer (pinch to magnify small text; never affects export) */
.preview-zoom {
	position: relative;
	transform-origin: 0 0;
	will-change: transform;
}

.preview-stack {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: stretch;
}

.preview-frame__attribution {
	position: relative;
	z-index: 3;
	margin-top: 1rem;
	text-align: center;
	font-family: var(--font-body, system-ui, sans-serif);
	font-size: 0.75rem;
	line-height: 1.4;
	opacity: 0.72;
}

.preview-frame--light .preview-frame__attribution {
	color: #64748b;
}

.preview-frame--dark .preview-frame__attribution {
	color: #94a3b8;
}

.preview-frame__attribution-link {
	text-decoration: underline;
	text-underline-offset: 2px;
	cursor: pointer;
}

.preview-frame--light .preview-frame__attribution-link {
	color: #475569;
}

.preview-frame--dark .preview-frame__attribution-link {
	color: #cbd5e1;
}

/* Non-classic styles: the credit line adopts the style's text color and accent */
.preview-frame[data-aligner-style]:not([data-aligner-style='classic']) .preview-frame__attribution,
.preview-frame[data-aligner-style]:not([data-aligner-style='classic'])
	.preview-frame__attribution-link {
	color: inherit;
}
.preview-frame[data-aligner-style='bauhaus'] .preview-frame__attribution {
	text-transform: uppercase;
	letter-spacing: 0.12em;
	font-weight: 600;
}
.preview-frame[data-aligner-style='atlas'] .preview-frame__attribution,
.preview-frame[data-aligner-style='sumi'] .preview-frame__attribution,
.preview-frame[data-aligner-style='parchment'] .preview-frame__attribution {
	font-style: italic;
}

.preview-gloss-wrap {
	width: 100%;
	display: flex;
	justify-content: center;
}

.preview-svg-layer {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	z-index: 2;
	overflow: visible;
}

/* Bauhaus: connectors tuck under the word cards (cards have a solid fill on the stack above). */
.preview-frame[data-aligner-style='bauhaus'] .preview-svg-layer {
	z-index: 0;
}

/* Interaction layer sits above tokens so every connector stays clickable regardless of style. */
.preview-hit-layer {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	z-index: 2;
	overflow: visible;
}

.link-hit-path {
	pointer-events: stroke;
	cursor: pointer;
}

/* Range between lines: tint follows preview background, not site dark mode */
.preview-frame--light .line-gap-range input[type='range'] {
	accent-color: rgb(79 70 229);
}

.preview-frame--dark .line-gap-range input[type='range'] {
	accent-color: rgb(165 180 252);
}

.preview-svg-layer .link-hit {
	pointer-events: none;
}

path.link-path {
	pointer-events: none;
	transition: stroke-width 0.12s ease;
}

.token-row {
	display: flex;
	flex-wrap: nowrap;
	justify-content: center;
	align-items: baseline;
}

/* Auto-fit off → restore legacy wrapping (a line may spill onto multiple rows) */
.preview-frame[data-autofit='off'] .token-row {
	flex-wrap: wrap;
}

.token-view {
	display: inline-flex;
	align-items: baseline;
	gap: 2px;
	padding-inline: 4px;
	border-radius: 0;
}

.token-view.token-view--join-before {
	padding-inline-start: 0;
}

.token-view.token-view--join-after {
	padding-inline-end: 0;
}

.token-view__num {
	font-size: 0.65em;
	opacity: 0.5;
	font-variant-numeric: tabular-nums;
	user-select: none;
}

.token-view__text {
	font-weight: 500;
	/* A token is one alignment unit — never let it break inside (e.g. at a hyphen). */
	white-space: nowrap;
}

/* Bauhaus-style word cards */
.token-view--chip {
	padding: 0.08em 0.4em;
	font-weight: 700;
	transition:
		transform 0.08s ease,
		box-shadow 0.08s ease;
}
.token-view--chip .token-view__text {
	font-weight: 700;
}
/* Brutalist press: the card sinks into its own offset shadow on hover / selection. */
.token-view--chip.token-view--accent-hover,
.token-view--chip.token-view--accent-sel {
	transform: translate(0.11em, 0.11em);
	box-shadow: none !important;
}

.gloss-row {
	align-items: baseline;
}

.gloss-cell {
	min-width: 2ch;
	min-height: 1.25em;
	display: inline-block;
	text-align: center;
	padding-inline: 4px;
	vertical-align: baseline;
}

/** Match token spacing when split with alt. separator (`joinLeft`): no extra pad between cells */
.gloss-cell.gloss-cell--join-before {
	padding-inline-start: 0;
	min-width: 0;
}

.gloss-cell.gloss-cell--join-after {
	padding-inline-end: 0;
}

button.token-view--clickable {
	font: inherit;
	background: none;
	border: none;
	padding: 0;
	margin: 0;
	cursor: pointer;
	text-align: inherit;
	color: inherit;
}

button.token-view--clickable:focus-visible {
	outline: 2px solid var(--color-primary-600);
	outline-offset: 2px;
	border-radius: 0;
}

button.token-view--clickable.token-view--accent-hover {
	background: color-mix(in srgb, var(--token-accent) 16%, transparent);
	box-shadow: inset 0 -1px 0 0 color-mix(in srgb, var(--token-accent) 55%, transparent);
}

button.token-view--clickable.token-view--accent-sel {
	background: color-mix(in srgb, var(--token-accent) 26%, transparent);
	box-shadow: inset 0 -2px 0 0 var(--token-accent);
}

button.token-view--clickable.token-view--accent-hover .token-view__num,
button.token-view--clickable.token-view--accent-sel .token-view__num {
	opacity: 0.62;
}