.tc-app {
	--tc-paper: #f3ecdf;
	--tc-paper-2: #fffdf8;
	--tc-ink: #1c1612;
	--tc-muted: #4e463d;
	--tc-line: rgba(28, 22, 18, 0.14);
	--tc-brass: #8a5a2b;
	--tc-brass-soft: rgba(138, 90, 43, 0.28);
	--tc-pine: #16362f;
	--tc-pine-2: #1e4a40;
	--tc-cream: #f6f1e6;
	--tc-gold: #f0e2c8;
	--tc-rust: #8a3b2b;
	--tc-shadow: 0 28px 60px rgba(48, 32, 16, 0.1);
	box-sizing: border-box;
	width: 100%;
	max-width: 980px;
	margin: 0 auto 2.5rem;
	padding: 22px 18px 26px;
	color: var(--tc-ink);
	background:
		radial-gradient(ellipse at 0% 0%, rgba(196, 165, 116, 0.38), transparent 52%),
		radial-gradient(ellipse at 100% 100%, rgba(22, 54, 47, 0.08), transparent 46%),
		var(--tc-paper);
	border: 1px solid rgba(28, 22, 18, 0.14);
	border-radius: 28px;
	box-shadow: var(--tc-shadow);
	font-family: Outfit, "Avenir Next", "Segoe UI", sans-serif;
	font-size: 16px;
	line-height: 1.5;
	text-align: left;
}

.tc-app *,
.tc-app *::before,
.tc-app *::after {
	box-sizing: border-box;
}

.tc-app h2,
.tc-app h3,
.tc-app p,
.tc-app ol,
.tc-app ul {
	margin: 0;
	padding: 0;
	color: inherit;
	font-weight: inherit;
}

.tc-app button,
.tc-app input,
.tc-app select,
.tc-app textarea {
	font-family: inherit;
	letter-spacing: normal;
	text-transform: none;
}

.tc-app ::selection {
	background: #e4c99a;
	color: var(--tc-ink);
}

.tc-frame {
	position: relative;
	padding: 22px 18px 18px;
	background: rgba(255, 253, 248, 0.72);
	border-radius: 22px;
	box-shadow: inset 0 0 0 1px var(--tc-brass-soft);
}

.tc-header {
	margin-bottom: 18px;
}

.tc-title {
	margin: 0 0 8px;
	color: var(--tc-brass);
	font-family: Outfit, "Avenir Next", "Segoe UI", sans-serif;
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	line-height: 1.2;
	text-transform: uppercase;
}

.tc-lead {
	max-width: 42rem;
	color: var(--tc-muted);
	font-size: 1.02rem;
}

.tc-body {
	display: grid;
	gap: 16px;
}

.tc-modes {
	display: grid;
	gap: 8px;
}

.tc-app button.tc-tab {
	display: grid;
	grid-template-columns: auto 1fr;
	grid-template-rows: auto auto;
	column-gap: 10px;
	row-gap: 2px;
	width: 100%;
	margin: 0;
	padding: 12px 14px;
	text-align: left;
	color: var(--tc-ink);
	background: transparent;
	border: 1px solid var(--tc-line);
	border-radius: 16px;
	box-shadow: none;
	cursor: pointer;
	line-height: 1.25;
	appearance: none;
}

.tc-tab-index {
	grid-row: 1 / span 2;
	align-self: center;
	color: var(--tc-brass);
	font-family: Fraunces, Palatino, serif;
	font-size: 1.15rem;
	font-variant-numeric: tabular-nums;
}

.tc-tab-label {
	font-weight: 600;
}

.tc-tab-hint {
	color: var(--tc-muted);
	font-size: 0.82rem;
}

.tc-app button.tc-tab[aria-selected="true"] {
	color: var(--tc-cream);
	background: var(--tc-pine);
	border-color: var(--tc-pine);
}

.tc-app button.tc-tab[aria-selected="true"] .tc-tab-index,
.tc-app button.tc-tab[aria-selected="true"] .tc-tab-hint {
	color: var(--tc-gold);
}

.tc-app button.tc-tab:hover {
	border-color: var(--tc-brass);
}

.tc-stage {
	min-width: 0;
}

.tc-panel[hidden] {
	display: none !important;
}

.tc-panel {
	display: grid;
	gap: 14px;
}

.tc-app fieldset {
	margin: 0;
	padding: 14px;
	border: 1px solid var(--tc-line);
	border-radius: 18px;
	background: var(--tc-paper-2);
	min-inline-size: 0;
}

.tc-app legend {
	padding: 0 6px;
	color: var(--tc-brass);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

.tc-legend-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	margin-bottom: 10px;
}

.tc-fields {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 10px;
}

.tc-fields-date {
	margin-top: 12px;
}

.tc-span {
	grid-column: 1 / -1;
}

.tc-field {
	display: grid;
	gap: 6px;
	margin: 0;
	color: var(--tc-ink);
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.tc-app input[type="text"],
.tc-app input[type="date"],
.tc-app select,
.tc-app textarea {
	width: 100%;
	min-height: 52px;
	margin: 0;
	padding: 0 12px;
	color: var(--tc-ink);
	background: #fff;
	border: 1px solid rgba(28, 22, 18, 0.16);
	border-radius: 12px;
	box-shadow: none;
	font-size: 16px;
	font-weight: 500;
	font-variant-numeric: tabular-nums;
	line-height: 1.3;
}

.tc-app textarea {
	padding: 12px;
	font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
	font-size: 15px;
	line-height: 1.45;
	resize: vertical;
}

.tc-app input:focus,
.tc-app select:focus,
.tc-app textarea:focus {
	outline: 2px solid var(--tc-brass);
	outline-offset: 1px;
	border-color: var(--tc-brass);
}

.tc-app input::placeholder,
.tc-app textarea::placeholder {
	color: #8a8175;
	font-weight: 400;
}

.tc-clock {
	display: grid;
	grid-template-columns: minmax(0, 1.3fr) auto minmax(0, 1fr) auto minmax(0, 1fr) minmax(0, 1fr);
	gap: 8px;
	align-items: end;
}

.tc-colon {
	padding-bottom: 14px;
	color: var(--tc-brass);
	font-family: Fraunces, Palatino, serif;
	font-size: 1.4rem;
}

.tc-date-tools,
.tc-ops,
.tc-actions,
.tc-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
}

.tc-app button.tc-op,
.tc-app button.tc-choice,
.tc-app button.tc-textbtn,
.tc-app button.tc-chip {
	margin: 0;
	min-height: 44px;
	padding: 0 14px;
	color: var(--tc-ink);
	background: transparent;
	border: 1px solid var(--tc-line);
	border-radius: 999px;
	box-shadow: none;
	cursor: pointer;
	font-size: 0.95rem;
	font-weight: 600;
	line-height: 1;
	appearance: none;
}

.tc-app button.tc-op[aria-pressed="true"][data-op="add"],
.tc-app button.tc-choice[aria-pressed="true"] {
	color: var(--tc-cream);
	background: var(--tc-pine);
	border-color: var(--tc-pine);
}

.tc-app button.tc-op[aria-pressed="true"][data-op="subtract"] {
	color: #fff8f5;
	background: var(--tc-rust);
	border-color: var(--tc-rust);
}

.tc-app button.tc-chip {
	background: rgba(255, 253, 248, 0.8);
	font-family: ui-monospace, Menlo, Consolas, monospace;
	font-size: 0.78rem;
	font-weight: 500;
}

.tc-app button.tc-textbtn[data-copy] {
	color: var(--tc-cream);
	background: var(--tc-brass);
	border-color: var(--tc-brass);
}

.tc-app button:disabled {
	opacity: 0.45;
	cursor: not-allowed;
}

.tc-app button:focus-visible {
	outline: 2px solid var(--tc-brass);
	outline-offset: 2px;
}

.tc-hint {
	margin: 0;
	color: var(--tc-muted);
	font-size: 0.92rem;
}

.tc-error {
	margin: 0;
	padding: 12px 14px;
	color: #6d2c20;
	background: #f8ebe6;
	border-radius: 12px;
}

.tc-error[hidden],
.tc-meridiem[hidden] {
	display: none !important;
}

.tc-result {
	padding: 18px;
	color: var(--tc-cream);
	background:
		radial-gradient(ellipse at 100% 0%, rgba(240, 226, 200, 0.16), transparent 42%),
		var(--tc-pine);
	border-radius: 18px;
}

.tc-result[hidden] {
	display: none !important;
}

.tc-result-label {
	margin-bottom: 6px;
	color: var(--tc-gold);
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.tc-equation {
	margin-bottom: 8px;
	color: rgba(246, 241, 230, 0.78);
	font-size: 0.92rem;
}

.tc-sentence {
	margin-bottom: 14px;
	font-family: Fraunces, "Iowan Old Style", Palatino, serif;
	font-size: clamp(1.45rem, 3vw, 2rem);
	font-weight: 520;
	font-style: italic;
	line-height: 1.2;
	letter-spacing: -0.02em;
}

.tc-sentence.is-negative {
	color: #f2cfc6;
}

.tc-sentence.is-fresh {
	animation: tc-rise 220ms ease;
}

.tc-stats {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 8px;
	margin-bottom: 12px;
}

.tc-stat {
	padding: 10px 10px 8px;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(240, 226, 200, 0.2);
	border-radius: 14px;
}

.tc-stat-value {
	display: block;
	font-family: Fraunces, Palatino, serif;
	font-size: clamp(1.25rem, 2vw, 1.7rem);
	font-weight: 650;
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.03em;
	line-height: 1.1;
}

.tc-stat-label {
	display: block;
	margin-top: 4px;
	color: var(--tc-gold);
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.tc-meta {
	margin-bottom: 12px;
	color: rgba(246, 241, 230, 0.82);
	font-size: 0.92rem;
	font-variant-numeric: tabular-nums;
}

.tc-guide {
	margin-top: 22px;
	padding-top: 8px;
}

.tc-guide h2 {
	margin: 22px 0 10px;
	font-family: Fraunces, Palatino, serif;
	font-size: 1.7rem;
	font-weight: 650;
	letter-spacing: -0.03em;
	line-height: 1.15;
}

.tc-guide .tc-guide-intro {
	max-width: 40rem;
	color: var(--tc-muted);
}

.tc-steps {
	margin: 12px 0 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 10px;
}

.tc-steps li {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 12px;
	align-items: start;
	padding: 12px 14px;
	background: rgba(255, 253, 248, 0.66);
	border-radius: 16px;
}

.tc-step-num {
	display: grid;
	place-items: center;
	width: 2rem;
	height: 2rem;
	color: var(--tc-cream);
	background: var(--tc-pine);
	border-radius: 999px;
	font-family: Fraunces, Palatino, serif;
	font-size: 1rem;
}

.tc-steps h3 {
	margin: 0 0 2px;
	font-size: 1rem;
	font-weight: 600;
}

.tc-steps p,
.tc-faq p {
	color: var(--tc-muted);
}

.tc-faq {
	display: grid;
	gap: 14px;
	margin-top: 12px;
}

.tc-faq h3 {
	margin: 0 0 4px;
	font-family: Fraunces, Palatino, serif;
	font-size: 1.2rem;
	font-weight: 650;
}

.tc-noscript {
	margin-top: 12px;
	padding: 12px 14px;
	background: #fff;
	border-radius: 12px;
}

@media (min-width: 860px) {
	.tc-app {
		padding: 28px;
	}

	.tc-frame {
		padding: 26px 24px 22px;
	}

	.tc-body {
		grid-template-columns: 220px minmax(0, 1fr);
		gap: 22px;
		align-items: start;
	}

	.tc-modes {
		position: sticky;
		top: 24px;
	}
}

@media (max-width: 720px) {
	.tc-fields,
	.tc-stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.tc-clock {
		grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
	}

	.tc-clock .tc-meridiem {
		grid-column: 1 / -1;
	}
}

@media (prefers-reduced-motion: reduce) {
	.tc-sentence.is-fresh {
		animation: none;
	}
}

@keyframes tc-rise {
	from {
		opacity: 0.35;
		transform: translateY(4px);
	}
	to {
		opacity: 1;
		transform: none;
	}
}

@media print {
	.tc-app {
		box-shadow: none;
		background: #fff;
	}

	.tc-modes,
	.tc-actions,
	.tc-chips,
	.tc-date-tools {
		display: none !important;
	}
}