/* Shared auth-page styling: shell layout, avatar panel, password toggle,
   caps-lock warning, remember-me row, inline-validation hints. */

[hidden] {
	display: none !important;
}

* { box-sizing: border-box; }

/* Auth pages paint themselves near-black, where the UA default focus ring
   (a 1px near-black outline) is invisible. Text inputs already draw their own
   lit border on focus, so they are excluded; everything else keyboard users
   can reach gets an explicit, high-contrast ring in the brand accent. */
:where(a, button, [tabindex]):focus-visible {
	outline: 2px solid #6e8bff;
	outline-offset: 3px;
}

.header-logo {
	width: 14px;
	height: 14px;
	vertical-align: -2px;
	margin-right: 6px;
}

body {
	font:
		15px/1.5 -apple-system,
		system-ui,
		Segoe UI,
		Roboto,
		sans-serif;
	margin: 0;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px;
}

.shell {
	display: flex;
	width: 100%;
	max-width: 1080px;
	min-height: 640px;
	border-radius: 24px;
	overflow: hidden;
	animation: auth-shell-in 0.22s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.panel {
	flex: 1;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	background:
		radial-gradient(120% 90% at 30% 20%, rgba(255, 255, 255, 0.06), transparent 60%),
		radial-gradient(120% 90% at 80% 90%, rgba(255, 255, 255, 0.04), transparent 55%),
		linear-gradient(135deg, #111 0%, #000 100%);
	overflow: hidden;
}

.panel-brand {
	position: absolute;
	bottom: 22px;
	left: 28px;
	font-size: 11px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.55);
	text-decoration: none;
	font-weight: 500;
	z-index: 2;
}
.panel-brand:hover { color: rgba(255, 255, 255, 0.9); }

.agent-avatar {
	position: relative;
	width: 320px;
	height: 320px;
	pointer-events: none;
	will-change: transform;
}
.agent-avatar model-viewer {
	width: 100%;
	height: 100%;
	--poster-color: transparent;
	background: transparent;
}
.agent-avatar::after {
	content: '';
	position: absolute;
	left: 50%;
	bottom: 4px;
	width: 180px;
	height: 18px;
	background: radial-gradient(ellipse, rgba(0, 0, 0, 0.45), transparent 70%);
	transform: translateX(-50%);
	filter: blur(8px);
	pointer-events: none;
}
.agent-avatar.loading::before {
	content: '';
	position: absolute;
	left: 50%;
	top: 50%;
	width: 120px;
	height: 140px;
	border-radius: 50% 50% 45% 45% / 60% 60% 40% 40%;
	background: rgba(255, 255, 255, 0.06);
	transform: translate(-50%, -55%);
	animation: auth-skel-pulse 1.4s ease-in-out infinite;
}

@keyframes auth-skel-pulse {
	0%, 100% { opacity: 0.4; }
	50% { opacity: 0.85; }
}

@keyframes auth-shell-in {
	from { opacity: 0; transform: translateY(14px) scale(0.985); }
	to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes auth-err-shake {
	0%, 100% { transform: translateX(0); }
	20% { transform: translateX(-6px); }
	40% { transform: translateX(5px); }
	65% { transform: translateX(-3px); }
	85% { transform: translateX(2px); }
}
.err.shaking {
	animation: auth-err-shake 0.32s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* Password input + toggle */
.password-wrap { position: relative; }
.password-wrap input { padding-right: 44px !important; }
.password-toggle {
	position: absolute;
	right: 4px;
	top: 50%;
	transform: translateY(-50%);
	width: 36px;
	height: 36px;
	margin: 0 !important;
	padding: 0 !important;
	background: transparent !important;
	border: 0 !important;
	border-radius: 6px !important;
	color: #666 !important;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0 !important;
	font-weight: 400 !important;
	box-shadow: none !important;
	width: 36px !important;
}
.password-toggle:hover { color: #ccc !important; background: rgba(255, 255, 255, 0.04) !important; }
.password-toggle:active { transform: translateY(-50%) scale(0.92); }
.password-toggle svg { width: 18px; height: 18px; display: block; }

/* Caps-lock warning */
.caps-warn {
	display: none;
	margin-top: 6px;
	font-size: 12px;
	color: #f0c040;
}
.caps-warn.show { display: block; }

/* Inline validation hint state */
.field-hint.invalid { color: #ff7a7a !important; }
.field-hint.valid { color: #7ddf7d !important; }

/* Remember-me row */
.remember-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	margin-top: 14px;
	font-size: 13px;
	color: var(--ink-dim);
	user-select: none;
}
.remember-row label {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin: 0;
	font-size: 13px;
	color: var(--ink-dim);
	text-transform: none;
	letter-spacing: normal;
	font-weight: 400;
	cursor: pointer;
}
.remember-row input[type="checkbox"] {
	width: 14px;
	height: 14px;
	margin: 0;
	padding: 0;
	accent-color: #fff;
	cursor: pointer;
}

@media (max-width: 860px) {
	.shell {
		flex-direction: column;
		min-height: 0;
	}
	.panel {
		min-height: 220px;
		order: -1;
	}
	.agent-avatar {
		width: 180px;
		height: 180px;
	}
	.panel-brand {
		bottom: 12px;
		left: 16px;
	}
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: var(--duration-instant) !important;
		scroll-behavior: auto !important;
	}
}

/* ── Interactive states (QB-07) ────────────────────────────────────────────
   The remember-me row is the last control before someone signs in, and both
   the label and its box set cursor: pointer while answering nothing. */
.remember-row label,
.remember-row input[type="checkbox"] {
	transition:
		color var(--duration-fast) var(--ease-standard),
		transform var(--duration-fast) var(--ease-standard);
}

.remember-row label:hover {
	color: var(--ink);
}

.remember-row input[type="checkbox"]:hover {
	transform: scale(1.12);
}

/* ── Google sign-in ────────────────────────────────────────────────────────
   Shared by /login and /register (both link this sheet). It sits above the
   password form because it is the shortest path to an account and needs no
   wallet. The disabled state is real: the server answers 503 when the OAuth
   client is not configured, so the button reflects that instead of pretending
   to work. */
.oauth-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 9px;
	width: 100%;
	margin: 18px 0 0;
	padding: 11px 14px;
	background: var(--surface-2, rgba(138, 180, 255, 0.07));
	border: 1px solid var(--stroke, rgba(138, 180, 255, 0.14));
	border-radius: var(--radius-control, 10px);
	color: var(--ink, #e6edf7);
	font: inherit;
	font-size: var(--text-ui, 14px);
	cursor: pointer;
	transition:
		background var(--duration-fast, 140ms) var(--ease-standard, ease),
		border-color var(--duration-fast, 140ms) var(--ease-standard, ease),
		transform var(--duration-instant, 80ms) var(--ease-standard, ease);
}

.oauth-btn:hover:not(:disabled) {
	background: rgba(138, 180, 255, 0.12);
	border-color: var(--stroke-strong, rgba(138, 180, 255, 0.22));
}

.oauth-btn:active:not(:disabled) {
	transform: translateY(1px);
}

.oauth-btn:focus-visible {
	outline: var(--focus-ring-width, 2px) solid var(--accent, #38bdf8);
	outline-offset: var(--focus-ring-offset, 2px);
}

.oauth-btn[aria-busy='true'] {
	opacity: 0.65;
	cursor: progress;
}

.oauth-btn:disabled {
	opacity: 0.45;
	cursor: not-allowed;
}

.oauth-btn svg {
	flex: 0 0 auto;
}

#google-hint {
	margin: 8px 0 0;
	font-size: var(--text-sm, 12px);
	line-height: 1.5;
	color: var(--ink-dim, #8fa3bf);
}

#google-hint[hidden] {
	display: none;
}