/* 登录页：独立页面表单 + 常规加载层（lusien）
   taiyi 的动画加载沿用 boot.css，只在登录页引入。
   维护流动条为本页专属，顶部避让规则也一并限定在 .page-login 内。 */

[hidden] {
	display: none !important;
}

/* ---------- 顶部维护流动条（仅登录页）：两份等宽内容无缝平移 ---------- */
.maintenance {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 20;
	display: flex;
	align-items: center;
	height: var(--maintenance-h);
	overflow: hidden;
	border-bottom: 1px solid var(--border);
	background: #1b1b19;
	color: var(--stone);
	font-family: var(--sans);
	font-size: 9px;
	font-weight: 500;
	letter-spacing: 0.26em;
	text-transform: uppercase;
	white-space: nowrap;
	pointer-events: none;
}
.maintenance__track {
	display: inline-flex;
	flex: none;
	align-items: center;
	will-change: transform;
	animation: maintenance-scroll 22s linear infinite;
}
.maintenance__group {
	display: inline-flex;
	flex: none;
	align-items: center;
	gap: 14px;
	padding-right: 14px;
}
.maintenance__dot {
	flex: none;
	width: 4px;
	height: 4px;
	background: var(--stone);
}
.maintenance__sep {
	color: var(--faint);
}
@keyframes maintenance-scroll {
	from { transform: translateX(0); }
	to   { transform: translateX(-50%); }
}

/* ---------- 独立登录页布局 ---------- */
.page-login {
	--maintenance-h: 26px;
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	padding-top: var(--maintenance-h);
}
.page-login .topbar {
	top: var(--maintenance-h);
}
.page-login .skip-link {
	top: var(--maintenance-h);
}

.auth-page {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 56px var(--gutter) 72px;
}

.page-login .footer {
	margin-top: 0;
}

.auth__panel {
	width: 100%;
	max-width: 372px;
	padding: 30px 28px 26px;
	background: #161616;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	animation: auth-enter 0.24s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.auth__title {
	margin: 0;
	font-size: 19px;
	font-weight: 400;
	letter-spacing: 0.04em;
}

.auth__hint {
	margin: 8px 0 24px;
	font-family: var(--sans);
	font-size: 10px;
	letter-spacing: 0.2em;
	color: var(--faint);
}

/* 维护态提示：一行细字 + 1px 左侧短线 */
.auth__notice {
	margin: 0 0 20px;
	padding-left: 10px;
	border-left: 1px solid var(--stone);
	font-size: 11px;
	letter-spacing: 0.1em;
	color: var(--stone);
}

.auth__field {
	display: block;
	margin-bottom: 16px;
}

.auth__field > span {
	display: block;
	margin-bottom: 7px;
	font-family: var(--sans);
	font-size: 9px;
	letter-spacing: 0.22em;
	color: var(--muted);
}

.auth__field input {
	width: 100%;
	padding: 10px 12px;
	font-family: var(--mono);
	font-size: 13px;
	color: var(--text);
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: 0;
	outline: none;
	transition: border-color 0.14s ease;
}

.auth__field input::placeholder {
	color: #55555f;
}

.auth__field input:focus {
	border-color: var(--muted);
}

.auth__field input:disabled {
	color: var(--faint);
	background: #131313;
	cursor: default;
}

.auth__error {
	margin: 0 0 16px;
	font-size: 12px;
	color: #d09292;
}

.auth__actions {
	display: flex;
	justify-content: flex-end;
	gap: 8px;
	margin-top: 22px;
}

/* ---------- 提交按钮 ----------
   UI 库规范：状态用变体选择器（非内联）；enabled 有 hover/focus 反馈且 150–300ms；
   disabled 明确非交互（not-allowed），并用形状 + 关联文字表意，不只靠颜色。 */
.btn[disabled] {
	cursor: not-allowed;
}

.btn--solid {
	gap: 12px;
	background: var(--text);
	border-color: var(--text);
	color: var(--bg);
	transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}
/* 与首页轮播箭头同一套 1px 折角语言 */
.btn--solid::after {
	content: "";
	display: inline-block;
	flex: none;
	width: 6px;
	height: 6px;
	border-top: 1px solid currentColor;
	border-right: 1px solid currentColor;
	transform: rotate(45deg);
	transition: transform 0.22s ease;
}
.btn--solid:not(:disabled):hover {
	background: var(--stone);
	border-color: var(--stone);
}
.btn--solid:not(:disabled):hover::after {
	transform: translateX(3px) rotate(45deg);
}
.btn--solid:not(:disabled):active {
	background: #c3c0b9;
	border-color: #c3c0b9;
}
.btn--solid:focus-visible {
	outline: 1px solid var(--stone);
	outline-offset: 3px;
}
/* 维护态：实底降为中性填色，右侧折角箭头换成 1px 横杠（暂停/不可前进） */
.btn--solid:disabled,
.btn--solid:disabled:hover {
	background: #232320;
	border-color: var(--border);
	color: var(--muted);
}
.btn--solid:disabled::after {
	width: 10px;
	height: 1px;
	border: 0;
	background: currentColor;
	transform: none;
}

@keyframes auth-enter {
	from { opacity: 0; transform: translateY(10px) scale(0.985); }
	to { opacity: 1; transform: none; }
}

/* ---------- 常规加载层（lusien） ---------- */
.loading {
	position: fixed;
	inset: 0;
	z-index: 90;
	display: none;
	align-items: center;
	justify-content: center;
	background: var(--bg);
}

.loading.is-active {
	display: flex;
}

body.loading-active {
	overflow: hidden;
}

.loading__inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
	width: min(260px, 70vw);
	font-family: var(--mono);
}

.loading__label {
	font-size: 11px;
	letter-spacing: 0.36em;
	color: var(--muted);
	animation: loading-blink 0.9s steps(1, end) 1;
}

.loading__bar {
	position: relative;
	width: 100%;
	height: 1px;
	background: var(--border);
	overflow: hidden;
}

.loading__bar i {
	position: absolute;
	inset: 0 auto 0 0;
	width: 0;
	background: var(--text);
}

.loading.is-active .loading__bar i {
	animation: loading-fill 0.9s linear both;
}

.loading__meta {
	font-size: 10px;
	letter-spacing: 0.16em;
	color: var(--faint);
}

@keyframes loading-fill {
	from { width: 0; }
	to { width: 100%; }
}
@keyframes loading-blink {
	0%, 60% { opacity: 1; }
	61%, 70% { opacity: 0.35; }
	71%, 100% { opacity: 1; }
}

@media (max-width: 600px) {
	.auth-page { padding: 40px var(--gutter) 56px; }
	.auth__panel { padding: 26px 22px 22px; }
}

@media (prefers-reduced-motion: reduce) {
	.auth__panel,
	.loading__label,
	.loading.is-active .loading__bar i,
	.maintenance__track {
		animation: none;
	}
	.loading.is-active .loading__bar i { width: 100%; }
}