/* BookClaw — login (catalog shell, gold) */

:root {
	--ink: #14110c;
	--gold: #c4a35a;
	--gold-deep: #9a7b32;
	--paper: #f6f1e6;
	--line: rgba(20, 17, 12, 0.12);
	--danger: #b42318;
	--font: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
	margin: 0;
	min-height: 100%;
	font-family: var(--font);
	color: var(--ink);
	background: var(--ink);
}

.login-shell {
	min-height: 100vh;
	display: grid;
	grid-template-columns: 1.15fr 1fr;
}

.login-visual {
	position: relative;
	overflow: hidden;
	background:
		radial-gradient(ellipse 80% 60% at 20% 80%, rgba(196, 163, 90, 0.42), transparent 55%),
		radial-gradient(ellipse 50% 40% at 80% 20%, rgba(212, 175, 55, 0.16), transparent 50%),
		linear-gradient(160deg, #0c0a07 0%, #1a1610 55%, #100e0a 100%);
	padding: 3rem;
	display: flex;
	align-items: flex-end;
}

.login-visual__grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
	background-size: 48px 48px;
	mask-image: linear-gradient(to top, black 20%, transparent 90%);
	animation: gridDrift 28s linear infinite;
}

@keyframes gridDrift {
	from { transform: translateY(0); }
	to { transform: translateY(48px); }
}

.login-visual__content {
	position: relative;
	z-index: 1;
	color: #f4ead0;
}

.login-brand {
	margin: 0;
	font-size: clamp(2.6rem, 6.4vw, 5rem);
	font-weight: 700;
	letter-spacing: -0.04em;
	line-height: 0.95;
}

.login-tagline {
	margin: 1rem 0 0;
	font-size: 1.05rem;
	opacity: 0.72;
	font-weight: 500;
}

.login-panel {
	background: var(--paper);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 2rem;
}

.login-panel__inner {
	width: 100%;
	max-width: 380px;
	animation: rise 0.55s ease both;
}

@keyframes rise {
	from { opacity: 0; transform: translateY(12px); }
	to { opacity: 1; transform: none; }
}

.login-panel h1 {
	margin: 0;
	font-size: 1.85rem;
	letter-spacing: -0.03em;
}

.login-lead {
	margin: 0.4rem 0 1.75rem;
	color: rgba(20, 17, 12, 0.58);
}

.login-alert {
	background: #fdecea;
	color: var(--danger);
	border: 1px solid #f5c2c0;
	border-radius: 10px;
	padding: 0.75rem 1rem;
	margin-bottom: 1.25rem;
	font-size: 0.92rem;
}

.field {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	margin-bottom: 1rem;
	font-size: 0.85rem;
	font-weight: 600;
}

.field input {
	font: inherit;
	font-weight: 500;
	padding: 0.85rem 1rem;
	border: 1px solid var(--line);
	border-radius: 12px;
	background: #fff;
	outline: none;
	transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus {
	border-color: var(--gold);
	box-shadow: 0 0 0 3px rgba(196, 163, 90, 0.28);
}

.remember {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.9rem;
	margin: 0.25rem 0 1.5rem;
	color: rgba(20, 17, 12, 0.7);
}

.btn-primary {
	width: 100%;
	border: 0;
	border-radius: 12px;
	padding: 0.95rem 1.25rem;
	background: var(--gold);
	color: #1a1408;
	font: inherit;
	font-weight: 650;
	cursor: pointer;
	transition: background 0.15s, transform 0.15s;
}

.btn-primary:hover {
	background: var(--gold-deep);
	color: #fff;
}

.btn-primary:active {
	transform: scale(0.99);
}

@media (max-width: 860px) {
	.login-shell {
		grid-template-columns: 1fr;
	}
	.login-visual {
		min-height: 28vh;
		padding: 1.75rem;
	}
	.login-brand {
		font-size: 2.4rem;
	}
}