:root {
	--black: #000000;
	--white: #ffffff;
	--gray-bg: #f6f6f6;
	--gray-line: #e2e2e2;
	--gray-text: #545454;
	--gray-mute: #8c8c8c;
	--green: #06c167;
	--green-dark: #04a256;
	--green-soft: rgba(6, 193, 103, 0.1);
	--radius-sm: 8px;
	--radius-md: 14px;
	--radius-lg: 24px;
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
}
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body {
	font-family:
		"Inter",
		-apple-system,
		BlinkMacSystemFont,
		sans-serif;
	background: var(--gray-bg);
	color: var(--black);
	font-weight: 400;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	min-height: 100dvh;
	padding: 24px;
	position: relative;
	overflow-x: hidden;
}
body::before {
	content: "";
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: min(800px, 100vw);
	height: min(800px, 100vw);
	background: radial-gradient(
		circle,
		rgba(6, 193, 103, 0.08) 0%,
		transparent 70%
	);
	pointer-events: none;
	z-index: 0;
}

.view-container {
	width: 100%;
	max-width: 800px;
	position: relative;
	z-index: 1;
	margin: auto;
}

.view {
	display: none;
	animation: fadeIn 0.4s var(--ease);
}

.view.is-active {
	display: block;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.auth-card,
.checkout-card {
	width: 100%;
	background: var(--white);
	border: 1px solid var(--gray-line);
	border-radius: var(--radius-lg);
	box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.1);
	padding: 48px;
	max-width: 540px;
	margin: 0 auto;
}
.checkout-card.is-wide {
	max-width: 900px;
}
.logo {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	text-decoration: none;
	color: var(--black);
	font-weight: 900;
	font-size: 21px;
	letter-spacing: -0.04em;
	margin-bottom: 32px;
}
.logo-dot {
	width: 10px;
	height: 10px;
	background: var(--green);
	border-radius: 3px;
}
h1 {
	font-size: 28px;
	font-weight: 800;
	letter-spacing: -0.03em;
	margin-bottom: 8px;
	line-height: 1.2;
}
.subtitle {
	font-size: 15px;
	color: var(--gray-text);
	margin-bottom: 32px;
}
.form-group {
	margin-bottom: 20px;
}
.form-group.inline {
	display: flex;
	gap: 16px;
}
.form-group.inline > div {
	flex: 1 1 0;
	min-width: 0;
}
.form-label {
	display: block;
	font-size: 13px;
	font-weight: 700;
	color: var(--gray-text);
	margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
	width: 100%;
	min-width: 0;
	padding: 14px 16px;
	border: 1.5px solid var(--gray-line);
	border-radius: var(--radius-sm);
	font-family: inherit;
	font-size: 15px;
	font-weight: 500;
	color: var(--black);
	background: var(--white);
	transition:
		border-color 200ms var(--ease),
		box-shadow 200ms var(--ease);
}

.form-textarea {
	resize: vertical;
}
.form-input[type="file"] {
	padding: 10px;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
	outline: none;
	border-color: var(--black);
	box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}
.captcha-container {
	display: grid;
	grid-template-columns: 200px 50px minmax(0, 1fr);
	align-items: center;
	gap: 12px;
	margin-bottom: 16px;
}
.captcha-canvas {
	border: 1.5px solid var(--gray-line);
	border-radius: var(--radius-sm);
	background: var(--gray-bg);
	cursor: pointer;
	flex-shrink: 0;
}
.captcha-refresh {
	background: transparent;
	border: 1.5px solid var(--gray-line);
	border-radius: var(--radius-sm);
	width: 46px;
	height: 46px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all 200ms var(--ease);
	flex-shrink: 0;
}
.captcha-refresh:hover {
	background: var(--black);
	color: var(--white);
	border-color: var(--black);
}
.captcha-refresh svg {
	width: 18px;
	height: 18px;
}
.error-msg {
	color: #ef4444;
	font-size: 13px;
	font-weight: 600;
	margin-top: 12px;
}
.btn-primary,
.btn-secondary,
.btn-text {
	width: 100%;
	padding: 16px;
	border: none;
	border-radius: var(--radius-sm);
	font-family: inherit;
	font-size: 15px;
	font-weight: 700;
	cursor: pointer;
	transition: all 200ms var(--ease);
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
}
.btn-primary {
	background: var(--black);
	color: var(--white);
}
.btn-secondary {
	background: transparent;
	color: var(--black);
	border: 1.5px solid var(--gray-line);
}
.btn-secondary:hover {
	background: var(--gray-bg);
}
.btn-text {
	background: transparent;
	color: var(--gray-mute);
	text-decoration: underline;
	padding: 8px;
}
.btn-text:hover {
	color: var(--black);
}
.auth-footer {
	margin-top: 32px;
	text-align: center;
	font-size: 14px;
	color: var(--gray-mute);
}
.auth-footer a {
	color: var(--black);
	font-weight: 700;
	text-decoration: none;
	cursor: pointer;
	margin-left: 4px;
}
.checkbox-group {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 12px;
}
.checkbox-group input[type="checkbox"] {
	width: 16px;
	height: 16px;
	accent-color: var(--black);
	cursor: pointer;
}
.checkbox-label {
	font-size: 14px;
	color: var(--gray-text);
	line-height: 1.5;
}
.checkbox-label a {
	color: var(--black);
	font-weight: 600;
	text-decoration: underline;
}
@media (max-width: 768px) {
	body {
		padding: 20px;
	}

	.auth-card,
	.checkout-card {
		padding: 40px 32px;
	}

	.form-group.inline {
		gap: 12px;
	}
}

@media (max-width: 640px) {
	body {
		align-items: flex-start;
		padding: 16px;
		padding-top: max(16px, env(safe-area-inset-top));
		padding-bottom: max(16px, env(safe-area-inset-bottom));
	}

	.view-container {
		margin: auto 0;
	}

	.auth-card,
	.checkout-card {
		padding: 28px 20px;
		border-radius: var(--radius-md);
	}

	.logo {
		margin-bottom: 24px;
	}

	h1 {
		font-size: 24px;
	}

	.subtitle {
		margin-bottom: 24px;
	}

	.form-group {
		margin-bottom: 18px;
	}

	.form-group.inline {
		display: block;
	}

	.form-group.inline > div + div {
		margin-top: 18px;
	}

	.captcha-container {
		grid-template-columns: 120px 46px minmax(0, 1fr);
		gap: 8px;
		display: block;
	}

	.auth-footer {
		margin-top: 24px;
	}
}

@media (max-width: 400px) {
	body {
		padding: 10px;
	}

	.auth-card,
	.checkout-card {
		padding: 24px 16px;
		border-radius: 12px;
	}

	.logo {
		font-size: 19px;
	}

	h1 {
		font-size: 22px;
	}

	.subtitle {
		font-size: 14px;
	}

	.form-input,
	.form-select,
	.form-textarea {
		padding: 12px 14px;
		font-size: 14px;
	}

	.captcha-container {
		grid-template-columns: 200px 50px minmax(0, 1fr);
		gap: 6px;
	}

	.captcha-canvas {
		width: 100px;
	}

	.captcha-refresh {
		width: 42px;
	}

	.btn-primary,
	.btn-secondary,
	.btn-text {
		min-height: 48px;
		font-size: 14px;
	}
}

@media (max-width: 320px) {
	.captcha-container {
		grid-template-columns: 1fr 42px;
	}

	.captcha-container .form-input {
		grid-column: 1 / -1;
	}
}