:root {
	--rp-base: #191724;
	--rp-surface: #1f1d2e;
	--rp-overlay: #26233a;
	--rp-muted: #6e6a86;
	--rp-subtle: #908caa;
	--rp-text: #e0def4;
	--rp-love: #eb6f92;
	--rp-gold: #f6c177;
	--rp-rose: #ebbcba;
	--rp-pine: #31748f;
	--rp-foam: #9ccfd8;
	--rp-iris: #c4a7e7;
	--rp-highlight-low: #21202e;
	--rp-highlight-med: #403d52;
	--rp-highlight-high: #524f67;
	--accent: var(--rp-rose);
	--accent-hover: #f0cac8;
	--panel-bg: linear-gradient(180deg, rgba(31, 29, 46, 0.98), rgba(31, 29, 46, 0.92));
	--focus-ring: 0 0 0 4px rgba(235, 188, 186, 0.14);
	--radius-md: 8px;
	--shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.28);
	--mono: 'Fira Code', ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
	--ui: 'Open Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
	box-sizing: border-box;
}

html,
body {
	width: 100%;
	min-height: 100%;
	margin: 0;
}

body {
	min-height: 100vh;
	background: var(--rp-base);
	color: var(--rp-text);
	font-family: var(--ui);
	font-size: 16px;
	line-height: 1.5;
}

button,
input {
	font: inherit;
}

button {
	border: 0;
}

a {
	color: inherit;
}

[hidden] {
	display: none !important;
}

.page-shell {
	width: min(100%, 680px);
	min-height: 100vh;
	margin: 0 auto;
	padding: 32px 20px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.panel {
	width: 100%;
	padding: clamp(28px, 5vw, 44px);
	background: var(--panel-bg);
	border: 1px solid var(--rp-highlight-med);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-soft);
}

.auth-panel,
.not-found-panel {
	position: relative;
	max-width: 480px;
}

.app-panel {
	max-width: 640px;
}

.brand-stack {
	display: flex;
	align-items: center;
	gap: 16px;
	margin-bottom: 32px;
}

.brand-mark {
	width: 56px;
	height: 56px;
	flex: 0 0 auto;
}

.brand-mark-small {
	width: 30px;
	height: 30px;
}

.brand-kicker,
.result-label {
	margin: 0 0 4px;
	color: var(--rp-subtle);
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0;
	text-transform: uppercase;
}

h1 {
	margin: 0;
	color: var(--rp-text);
	font-size: clamp(2rem, 7vw, 3.2rem);
	line-height: 1.05;
	letter-spacing: 0;
}

.app-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 34px;
}

.app-actions {
	display: inline-flex;
	align-items: center;
	gap: 8px;
}

.brand-inline {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--rp-text);
	font-weight: 700;
	text-decoration: none;
}

.intro {
	margin-bottom: 28px;
}

.intro h1 {
	font-size: clamp(2rem, 6vw, 2.8rem);
}

.intro p,
.not-found-copy {
	max-width: 42rem;
	margin: 12px 0 0;
	color: var(--rp-subtle);
}

.form-stack {
	display: grid;
	gap: 14px;
}

.field-group {
	display: grid;
	gap: 8px;
}

label {
	color: var(--rp-text);
	font-size: 0.92rem;
	font-weight: 700;
}

.input-action {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 10px;
}

input {
	width: 100%;
	min-height: 48px;
	padding: 0 14px;
	border: 1px solid var(--rp-highlight-med);
	border-radius: var(--radius-md);
	background: var(--rp-highlight-low);
	color: var(--rp-text);
	outline: none;
	transition:
		border-color 160ms ease,
		box-shadow 160ms ease,
		background-color 160ms ease;
}

input::placeholder {
	color: var(--rp-muted);
}

input:focus {
	border-color: var(--accent);
	background: var(--rp-overlay);
	box-shadow: var(--focus-ring);
}

.button {
	min-height: 44px;
	padding: 0 18px;
	border: 1px solid transparent;
	border-radius: var(--radius-md);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	color: var(--rp-base);
	font-size: 0.95rem;
	font-weight: 700;
	text-decoration: none;
	cursor: pointer;
	transition:
		transform 160ms ease,
		border-color 160ms ease,
		background-color 160ms ease,
		color 160ms ease;
}

.button:hover:not(:disabled) {
	transform: translateY(-1px);
}

.button:focus-visible,
.brand-inline:focus-visible,
.result-link:focus-visible,
.tool-button:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
}

.button:disabled {
	cursor: not-allowed;
	opacity: 0.72;
}

.button-primary {
	background: var(--accent);
}

.button-primary:hover:not(:disabled) {
	background: var(--accent-hover);
}

.button-secondary {
	background: var(--accent);
}

.button-secondary:hover:not(:disabled) {
	background: var(--accent-hover);
}

.button-ghost {
	min-height: 38px;
	padding: 0 12px;
	background: transparent;
	border-color: var(--rp-highlight-med);
	color: var(--rp-subtle);
}

.button-ghost:hover:not(:disabled) {
	border-color: var(--rp-highlight-high);
	color: var(--rp-text);
}

.tool-button {
	width: 36px;
	height: 36px;
	padding: 0;
	border-radius: var(--radius-md);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: transparent;
	color: var(--rp-subtle);
	text-decoration: none;
	cursor: pointer;
	transition:
		background-color 150ms ease,
		color 150ms ease,
		transform 150ms ease;
}

.tool-button:hover {
	background: var(--rp-highlight-med);
	color: var(--rp-text);
	transform: translateY(-1px);
}

.tool-button svg {
	width: 20px;
	height: 20px;
	fill: currentColor;
	stroke: none;
}

.auth-github-link {
	position: absolute;
	top: 16px;
	right: 16px;
}

.button-link {
	margin-top: 28px;
}

.message {
	min-height: 24px;
	margin: 0;
	font-size: 0.92rem;
}

.message-error {
	color: var(--rp-love);
}

.result-strip {
	margin-top: 28px;
	padding-top: 24px;
	border-top: 1px solid var(--rp-highlight-med);
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	align-items: center;
	gap: 16px;
}

.result-link {
	display: block;
	overflow-wrap: anywhere;
	color: var(--accent);
	font-family: var(--mono);
	font-size: 1.05rem;
	font-weight: 700;
	text-decoration: none;
}

.result-link:hover {
	text-decoration: underline;
}

.toast {
	position: fixed;
	right: 20px;
	bottom: 20px;
	max-width: min(360px, calc(100vw - 40px));
	padding: 12px 14px;
	background: var(--rp-overlay);
	border: 1px solid var(--accent);
	border-radius: var(--radius-md);
	color: var(--rp-text);
	box-shadow: var(--shadow-soft);
	opacity: 0;
	pointer-events: none;
	transform: translateY(12px);
	transition:
		opacity 180ms ease,
		transform 180ms ease;
}

.toast.is-visible {
	opacity: 1;
	transform: translateY(0);
}

@media (max-width: 560px) {
	.page-shell {
		padding: 18px 14px;
		align-items: stretch;
	}

	.panel {
		padding: 24px;
	}

	.auth-panel,
	.app-panel,
	.not-found-panel {
		align-self: center;
	}

	.brand-stack {
		align-items: flex-start;
		margin-bottom: 28px;
	}

	.input-action,
	.result-strip {
		grid-template-columns: 1fr;
	}

	.input-action .button,
	.result-strip .button,
	.form-stack > .button {
		width: 100%;
	}

	.app-header {
		margin-bottom: 30px;
	}
}

@media (prefers-reduced-motion: reduce) {
	* {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}