.fi-app {
	min-height: 100vh;
}

.is-hidden {
	display: none !important;
}

.fi-hero {
	max-width: var(--it-max);
	margin: 0 auto;
	padding: 40px 24px 24px;
}

.fi-hero__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(300px, 1.1fr);
	gap: 24px 40px;
	align-items: stretch;
	min-height: min(46vh, 400px);
}

.fi-hero__copy {
	min-width: 0;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.fi-hero__preview {
	position: relative;
	min-height: min(44vh, 380px);
	display: flex;
	align-items: center;
	justify-content: center;
}

.fi-hero-preview {
	position: relative;
	display: grid;
	place-items: center;
	width: 100%;
	height: 100%;
	min-height: min(44vh, 380px);
	padding: 8px 8px 8px clamp(48px, 8vw, 72px);
}

.fi-hero-preview__glyph {
	font-size: clamp(5rem, 16vw, 9.5rem);
	font-weight: 700;
	line-height: 1;
	color: rgba(255, 255, 255, 0.88);
	z-index: 1;
	animation: fi-inspector-weight 2.8s ease-in-out infinite;
}

.fi-hero-preview__metric {
	position: absolute;
	left: clamp(8px, 2vw, 20px);
	right: clamp(8px, 2vw, 24px);
	height: 1px;
	background: rgba(255, 255, 255, 0.22);
	opacity: 0;
	transform: scaleX(0);
	transform-origin: left center;
	animation: fi-inspector-line 2.8s ease-out infinite;
}

.fi-hero-preview__metric--asc { top: 22%; animation-delay: 0.05s; }
.fi-hero-preview__metric--cap { top: 32%; animation-delay: 0.12s; }
.fi-hero-preview__metric--x { top: 48%; background: none; border-top: 1px dashed rgba(255, 255, 255, 0.18); height: 0; animation-delay: 0.19s; }
.fi-hero-preview__metric--base { top: 62%; background: rgba(255, 255, 255, 0.45); animation-delay: 0.26s; }
.fi-hero-preview__metric--desc { top: 76%; animation-delay: 0.33s; }

.fi-hero-preview__readout {
	position: absolute;
	right: clamp(4px, 1vw, 12px);
	bottom: clamp(4px, 1vh, 12px);
	padding: 5px 10px;
	border-radius: 4px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	font-family: "JetBrains Mono", ui-monospace, monospace;
	font-size: clamp(0.65rem, 1.2vw, 0.78rem);
	color: rgba(255, 255, 255, 0.5);
	opacity: 0;
	animation: fi-inspector-readout 2.8s ease-out infinite;
}

.fi-hero__preview:hover .fi-hero-preview__glyph {
	animation-duration: 2.2s;
}

.fi-hero__preview:hover .fi-hero-preview__metric {
	animation-duration: 2.2s;
}

.fi-hero__preview:hover .fi-hero-preview__readout {
	animation-duration: 2.2s;
}

@keyframes fi-inspector-line {
	0%, 12% { opacity: 0; transform: scaleX(0); }
	22%, 78% { opacity: 1; transform: scaleX(1); }
	88%, 100% { opacity: 0; transform: scaleX(0); }
}

@keyframes fi-inspector-weight {
	0%, 20%, 100% { transform: scale(1); opacity: 0.88; }
	40%, 60% { transform: scale(1.06); opacity: 1; letter-spacing: 0.02em; }
}

@keyframes fi-inspector-readout {
	0%, 30% { opacity: 0; transform: translateY(4px); }
	40%, 75% { opacity: 1; transform: translateY(0); }
	85%, 100% { opacity: 0; transform: translateY(4px); }
}

.fi-hero__eyebrow {
	margin: 0 0 10px;
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--it-muted);
}

.fi-hero__title {
	margin: 0 0 8px;
	font-size: clamp(1.65rem, 3vw, 2.25rem);
	font-weight: 600;
	letter-spacing: -0.03em;
}

.fi-hero__lead {
	margin: 0;
	max-width: 40rem;
	color: var(--it-muted);
	line-height: 1.6;
	font-size: 0.95rem;
}

@media (max-width: 768px) {
	.fi-hero__grid {
		grid-template-columns: 1fr;
		min-height: 0;
	}

	.fi-hero__preview {
		order: -1;
		min-height: min(38vh, 320px);
	}

	.fi-hero-preview {
		min-height: min(38vh, 320px);
	}

	.fi-hero-preview__glyph {
		font-size: clamp(4.5rem, 28vw, 7rem);
	}
}

@media (prefers-reduced-motion: reduce) {
	.fi-hero-preview__glyph,
	.fi-hero-preview__metric,
	.fi-hero-preview__readout {
		animation: none !important;
		opacity: 1;
		transform: none;
	}

	.fi-hero-preview__metric {
		opacity: 0.65;
		transform: scaleX(1);
	}

	.fi-hero-preview__readout {
		opacity: 1;
	}
}

.fi-stage {
	max-width: var(--it-max);
	margin: 0 auto;
	padding: 12px 24px 72px;
}

.fi-stage__sheet {
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 4px;
	background:
		linear-gradient(rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
		radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
	background-size: auto, 18px 18px;
	overflow: hidden;
	box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.fi-toolbar {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 10px;
	padding: 16px 20px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	background: rgba(0, 0, 0, 0.18);
}

.fi-toolbar__meta {
	font-size: 0.82rem;
	color: var(--it-muted);
}

.fi-toolbar__controls {
	display: flex;
	align-items: center;
	gap: 16px;
	margin-left: auto;
}

.fi-toolbar__action {
	padding: 8px 14px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.14);
	background: transparent;
	color: var(--it-text);
	font: inherit;
	font-size: 0.82rem;
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease;
}

.fi-toolbar__action:hover {
	background: rgba(255, 255, 255, 0.06);
	border-color: rgba(255, 255, 255, 0.22);
}

.fi-upload__input {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.fi-size {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 0.8rem;
	color: var(--it-muted);
}

.fi-size__label {
	white-space: nowrap;
}

.fi-size input[type="range"] {
	width: 120px;
	accent-color: var(--it-accent);
}

.fi-size__value {
	min-width: 3.2rem;
	font-family: "JetBrains Mono", ui-monospace, monospace;
	font-size: 0.75rem;
	color: var(--it-text);
}

.fi-drop {
	min-height: min(44vh, 380px);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 32px 24px;
	cursor: pointer;
	outline: none;
	transition: background 0.2s ease;
}

.fi-drop.is-drag-over {
	background: rgba(var(--it-accent-rgb), 0.06);
}

.fi-drop__zone {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	width: min(100%, 420px);
	padding: 40px 32px;
	border: 1.5px dashed rgba(255, 255, 255, 0.16);
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.02);
	text-align: center;
	transition: border-color 0.2s ease, background 0.2s ease;
}

.fi-drop.is-drag-over .fi-drop__zone,
.fi-drop:focus-visible .fi-drop__zone {
	border-color: rgba(var(--it-accent-rgb), 0.45);
	background: rgba(var(--it-accent-rgb), 0.05);
}

.fi-drop__icon {
	display: grid;
	place-items: center;
	width: 56px;
	height: 56px;
	margin-bottom: 16px;
	border-radius: 14px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 1.35rem;
	font-weight: 700;
	color: rgba(255, 255, 255, 0.82);
}

.fi-drop__title {
	margin: 0 0 6px;
	font-size: 1rem;
	font-weight: 600;
}

.fi-drop__hint {
	margin: 0;
	font-size: 0.82rem;
	color: var(--it-muted);
}

.fi-workspace {
	padding: 20px;
}

.fi-workspace__grid {
	display: grid;
	grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
	gap: 20px;
	align-items: start;
}

.fi-file-card {
	padding: 16px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.03);
	margin-bottom: 16px;
}

.fi-file-card__badge {
	display: inline-block;
	margin-bottom: 10px;
	padding: 4px 8px;
	border-radius: 6px;
	background: rgba(var(--it-accent-rgb), 0.14);
	color: var(--it-accent);
	font-family: "JetBrains Mono", ui-monospace, monospace;
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.06em;
}

.fi-file-card__name {
	font-size: 0.92rem;
	font-weight: 600;
	line-height: 1.35;
	word-break: break-word;
}

.fi-file-card__size {
	margin-top: 4px;
	font-size: 0.78rem;
	color: var(--it-muted);
}

.fi-info__title {
	margin: 0 0 12px;
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--it-muted);
}

.fi-info__grid {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.fi-kv {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2px;
	padding-bottom: 8px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.fi-kv:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

.fi-kv__label {
	font-size: 0.72rem;
	color: var(--it-muted);
}

.fi-kv__value {
	font-size: 0.82rem;
	line-height: 1.45;
	word-break: break-word;
}

.fi-specimens {
	display: flex;
	flex-direction: column;
	gap: 12px;
	margin-bottom: 16px;
}

.fi-specimen {
	position: relative;
	padding: 16px 18px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.02);
}

.fi-specimen--hero {
	min-height: 160px;
	padding: 20px 20px 20px 56px;
}

.fi-specimen__label {
	margin-bottom: 10px;
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--it-muted);
}

.fi-specimen__text {
	font-family: Inter, system-ui, sans-serif;
	font-size: 48px;
	line-height: 1.15;
	color: rgba(255, 255, 255, 0.92);
	transition: font-size 0.12s ease;
}

.fi-specimen__text--wrap {
	font-size: 28px;
	line-height: 1.35;
	word-break: break-word;
}

.fi-specimen__text--sub {
	margin-top: 8px;
	font-size: 22px;
	color: rgba(255, 255, 255, 0.78);
}

.fi-specimen__text.is-loaded {
	font-family: var(--fi-family, Inter), system-ui, sans-serif;
	font-synthesis: none;
}

.fi-specimen--hero .fi-specimen__text {
	font-size: 72px;
	line-height: 1.08;
	word-break: break-word;
	hyphens: auto;
	font-synthesis: none;
}

.fi-specimen__text--hero {
	max-width: 100%;
	padding-right: 72px;
}

.fi-specimen__metrics {
	position: absolute;
	left: 18px;
	top: 48px;
	bottom: 18px;
	width: 28px;
}

.fi-specimen__metric {
	position: absolute;
	left: 0;
	right: 0;
	height: 1px;
	background: rgba(255, 255, 255, 0.22);
}

.fi-specimen__metric--asc { top: 12%; }
.fi-specimen__metric--cap { top: 24%; }
.fi-specimen__metric--x { top: 42%; border-top: 1px dashed rgba(255, 255, 255, 0.16); height: 0; background: none; }
.fi-specimen__metric--base { top: 58%; background: rgba(255, 255, 255, 0.42); }
.fi-specimen__metric--desc { top: 74%; }

.fi-specimen__readout {
	position: absolute;
	right: 16px;
	bottom: 16px;
	padding: 4px 8px;
	border-radius: 4px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	font-family: "JetBrains Mono", ui-monospace, monospace;
	font-size: 0.65rem;
	color: rgba(255, 255, 255, 0.55);
}

.fi-tabs {
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 12px;
	background: rgba(0, 0, 0, 0.14);
	overflow: hidden;
}

.fi-tabs__nav {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	padding: 8px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fi-tabs__btn {
	padding: 8px 12px;
	border: none;
	border-radius: 8px;
	background: transparent;
	color: var(--it-muted);
	font: inherit;
	font-size: 0.82rem;
	font-weight: 500;
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
}

.fi-tabs__btn:hover {
	color: var(--it-text);
	background: rgba(255, 255, 255, 0.05);
}

.fi-tabs__btn.is-active {
	color: var(--it-text);
	background: rgba(var(--it-accent-rgb), 0.14);
}

.fi-tabs__panel {
	padding: 16px;
}

.fi-tabs__panel[hidden] {
	display: none !important;
}

.fi-charset-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
	gap: 10px;
}

.fi-charset-card {
	padding: 12px;
	border-radius: 10px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: rgba(255, 255, 255, 0.03);
}

.fi-charset-card__label {
	font-size: 0.78rem;
	color: var(--it-muted);
	margin-bottom: 6px;
}

.fi-charset-card__count {
	font-size: 0.92rem;
	font-weight: 600;
}

.fi-charset-card__count span {
	color: var(--it-accent);
}

.fi-chip-list {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.fi-chip {
	display: inline-flex;
	align-items: center;
	padding: 6px 10px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	background: rgba(255, 255, 255, 0.04);
	font-size: 0.78rem;
}

.fi-chip--muted {
	border-style: dashed;
	color: var(--it-muted);
}

.fi-feature-list {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.fi-feature {
	padding: 12px;
	border-radius: 10px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: rgba(255, 255, 255, 0.03);
}

.fi-feature__title {
	font-size: 0.86rem;
	font-weight: 600;
	margin-bottom: 4px;
}

.fi-feature__tags {
	font-family: "JetBrains Mono", ui-monospace, monospace;
	font-size: 0.72rem;
	color: var(--it-muted);
}

.fi-stage__sheet.is-busy {
	opacity: 0.82;
	pointer-events: none;
}

.fi-toast {
	position: fixed;
	left: 50%;
	bottom: 24px;
	transform: translateX(-50%);
	padding: 10px 16px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(10, 11, 13, 0.92);
	color: var(--it-text);
	font-size: 0.85rem;
	box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
	z-index: 50;
}

@media (max-width: 900px) {
	.fi-workspace__grid {
		grid-template-columns: 1fr;
	}

	.fi-toolbar__controls {
		width: 100%;
		margin-left: 0;
	}
}

@media (max-width: 640px) {
	.fi-specimen--hero .fi-specimen__text {
		font-size: 56px;
	}

	.fi-specimen__text--wrap {
		font-size: 22px;
	}
}