/**
 * UC课程表 前台样式（平面化风格）
 *
 * 设计原则：
 * 1. 平面化：纯色块 + 1px 细线，不使用渐变、内阴影与高饱和装饰
 * 2. 层级清晰：只用「墨色 / 次要墨色 / 细线 / 浅底 / 一个主色」五档颜色
 * 3. 操作便捷：按钮高度统一、主次分明，危险操作弱化但可辨识
 * 4. 作用域：.ucs / .ucs-modal / .ucs-toast，命名统一 ucs- 前缀，避免与主题冲突
 */

.ucs,
.ucs-modal,
.ucs-toast {
	--ucs-ink: #1a1d21;
	--ucs-muted: #7b838d;
	--ucs-line: #e6e9ed;
	--ucs-line-strong: #d6dbe1;
	--ucs-bg: #ffffff;
	--ucs-soft: #f6f7f9;
	--ucs-accent: #2f6f63;
	--ucs-accent-hover: #285c52;
	--ucs-accent-soft: #eef5f3;
	--ucs-danger: #b4443c;
	--ucs-danger-soft: #fbf1f0;
	--ucs-radius: 6px;
	--ucs-row: 64px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
	font-size: 14px;
	line-height: 1.6;
	color: var(--ucs-ink);
	-webkit-font-smoothing: antialiased;
}

.ucs *,
.ucs *::before,
.ucs *::after,
.ucs-modal *,
.ucs-modal *::before,
.ucs-modal *::after {
	box-sizing: border-box;
}

.ucs {
	margin: 20px 0;
}

.ucs--standalone {
	max-width: 1080px;
	margin: 0 auto;
	padding: 32px 20px 56px;
}

.ucs-standalone-body {
	margin: 0;
	background: var(--ucs-soft);
}

.ucs h1,
.ucs h2,
.ucs h3,
.ucs p {
	margin: 0;
	font-weight: inherit;
}

.ucs button {
	font-family: inherit;
	font-size: inherit;
}

/* ---------------- 工具栏 ---------------- */

.ucs-toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding-bottom: 14px;
	margin-bottom: 16px;
	border-bottom: 1px solid var(--ucs-line);
}

.ucs-toolbar__title {
	display: flex;
	flex-direction: column;
	gap: 3px;
	min-width: 0;
}

.ucs-toolbar__name {
	font-size: 19px;
	font-weight: 600;
	letter-spacing: .01em;
	color: var(--ucs-ink);
}

.ucs-toolbar__sub {
	color: var(--ucs-muted);
	font-size: 12px;
}

.ucs-toolbar__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
}

/* 周次切换：平面方角，不用胶囊 */

.ucs-week {
	display: inline-flex;
	align-items: stretch;
	border: 1px solid var(--ucs-line-strong);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
	overflow: hidden;
}

.ucs-week__btn {
	width: 30px;
	border: 0;
	background: transparent;
	color: var(--ucs-muted);
	font-size: 15px;
	line-height: 1;
	cursor: pointer;
	transition: background .15s ease, color .15s ease;
}

.ucs-week__btn:hover {
	background: var(--ucs-soft);
	color: var(--ucs-ink);
}

.ucs-week__label {
	min-width: 78px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 6px;
	border-left: 1px solid var(--ucs-line);
	border-right: 1px solid var(--ucs-line);
	font-size: 13px;
	font-weight: 600;
	white-space: nowrap;
}

/* ---------------- 按钮 ---------------- */

.ucs-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	height: 32px;
	padding: 0 13px;
	border: 1px solid var(--ucs-line-strong);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
	color: var(--ucs-ink);
	font-size: 13px;
	line-height: 1;
	text-decoration: none;
	cursor: pointer;
	white-space: nowrap;
	transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.ucs-btn:hover {
	background: var(--ucs-soft);
	color: var(--ucs-ink);
	text-decoration: none;
}

.ucs-btn--primary {
	border-color: var(--ucs-accent);
	background: var(--ucs-accent);
	color: #fff;
}

.ucs-btn--primary:hover {
	border-color: var(--ucs-accent-hover);
	background: var(--ucs-accent-hover);
	color: #fff;
}

.ucs-btn--danger {
	border-color: var(--ucs-line-strong);
	background: var(--ucs-bg);
	color: var(--ucs-danger);
}

.ucs-btn--danger:hover {
	border-color: #e2c7c3;
	background: var(--ucs-danger-soft);
	color: var(--ucs-danger);
}

.ucs-btn--ghost {
	border-color: transparent;
	background: transparent;
	color: var(--ucs-muted);
}

.ucs-btn--ghost:hover {
	background: var(--ucs-soft);
	color: var(--ucs-ink);
}

.ucs-btn--sm {
	height: 28px;
	padding: 0 10px;
	font-size: 12px;
}

.ucs-select {
	height: 32px;
	padding: 0 8px;
	border: 1px solid var(--ucs-line-strong);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
	color: var(--ucs-ink);
	font-size: 13px;
	max-width: 220px;
}

/* ---------------- 提示条 ---------------- */

.ucs-banner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	padding: 10px 14px;
	margin-bottom: 16px;
	border: 1px solid var(--ucs-line);
	border-left: 3px solid var(--ucs-accent);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
	font-size: 13px;
	color: var(--ucs-ink);
}

.ucs-banner--guest {
	border-left-color: #b3903f;
}

.ucs-banner--share {
	border-left-color: var(--ucs-accent);
}

.ucs-banner a {
	color: var(--ucs-accent);
	font-weight: 600;
	text-decoration: none;
}

.ucs-banner a:hover {
	text-decoration: underline;
}

/* ---------------- 今日课程 ---------------- */

.ucs-today {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px 16px;
	padding: 12px 16px;
	margin-bottom: 16px;
	border: 1px solid var(--ucs-line);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
}

.ucs-today__label {
	flex: 0 0 auto;
	padding-right: 14px;
	border-right: 1px solid var(--ucs-line);
	font-size: 12px;
	font-weight: 600;
	color: var(--ucs-muted);
	letter-spacing: .04em;
}

.ucs-today__list {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	flex: 1 1 auto;
	min-width: 0;
}

.ucs-today__item {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 3px 8px;
	border: 1px solid var(--ucs-line);
	border-radius: 4px;
	background: var(--ucs-soft);
	font-size: 12px;
	color: var(--ucs-ink);
	max-width: 100%;
}

.ucs-today__time {
	color: var(--ucs-muted);
	font-variant-numeric: tabular-nums;
}

.ucs-today__hint {
	flex: 0 0 auto;
	font-size: 12px;
	font-weight: 600;
	color: var(--ucs-accent);
}

/* ---------------- 周视图 ---------------- */

.ucs-grid {
	border: 1px solid var(--ucs-line);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
	overflow: hidden;
}

.ucs-grid__head {
	display: flex;
	border-bottom: 1px solid var(--ucs-line-strong);
	background: var(--ucs-soft);
}

.ucs-grid__corner {
	flex: 0 0 78px;
	width: 78px;
}

.ucs-dayhead {
	flex: 1 1 0;
	min-width: 0;
	padding: 10px 4px;
	text-align: center;
	font-size: 12px;
	font-weight: 600;
	color: var(--ucs-muted);
	border-left: 1px solid var(--ucs-line);
}

.ucs-dayhead.is-today {
	color: var(--ucs-accent);
	background: var(--ucs-accent-soft);
}

.ucs-grid__body {
	display: flex;
	position: relative;
}

.ucs-col--periods {
	flex: 0 0 78px;
	width: 78px;
	background: #fbfcfd;
}

.ucs-period {
	height: var(--ucs-row);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 2px;
	padding: 0 2px;
	border-bottom: 1px solid var(--ucs-line);
	color: var(--ucs-muted);
	font-size: 11px;
}

.ucs-period:last-child {
	border-bottom: 0;
}

.ucs-period__name {
	font-size: 12px;
	font-weight: 600;
	color: var(--ucs-ink);
}

.ucs-period__time {
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.ucs-day {
	flex: 1 1 0;
	min-width: 0;
	position: relative;
	border-left: 1px solid var(--ucs-line);
	background-color: var(--ucs-bg);
	background-image: repeating-linear-gradient(
		to bottom,
		transparent 0,
		transparent calc(var(--ucs-row) - 1px),
		var(--ucs-line) calc(var(--ucs-row) - 1px),
		var(--ucs-line) var(--ucs-row)
	);
	cursor: pointer;
}

.ucs-day.is-today {
	background-color: #fbfdfc;
}

/* 课程块：纯色块 + 左侧色条（平面化） */

.ucs-course {
	position: absolute;
	display: flex;
	flex-direction: column;
	gap: 1px;
	margin: 3px;
	padding: 5px 7px;
	border: 0;
	border-left: 3px solid var(--c, #2f6f63);
	border-radius: 4px;
	background: var(--cbg, #eef5f3);
	color: var(--ucs-ink);
	text-align: left;
	cursor: pointer;
	overflow: hidden;
	line-height: 1.35;
	z-index: 2;
	transition: background-color .15s ease;
}

.ucs-course:hover {
	background: var(--cbg-hover, #e2eeea);
}

.ucs-course__name {
	font-size: 12px;
	font-weight: 600;
	word-break: break-word;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.ucs-course__meta {
	font-size: 11px;
	color: var(--ucs-muted);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.ucs-course__note {
	align-self: flex-start;
	margin-top: 1px;
	padding: 0 4px;
	border-radius: 3px;
	background: rgba(255, 255, 255, .75);
	font-size: 10px;
	color: var(--ucs-muted);
}

.ucs-c1 { --c: #2f6f63; --cbg: #eef5f3; --cbg-hover: #e3efeb; }
.ucs-c2 { --c: #35648f; --cbg: #eef3f8; --cbg-hover: #e3ecf4; }
.ucs-c3 { --c: #4c5796; --cbg: #eff1f9; --cbg-hover: #e5e8f5; }
.ucs-c4 { --c: #6f5793; --cbg: #f3f0f8; --cbg-hover: #eae5f3; }
.ucs-c5 { --c: #94526c; --cbg: #f8eff3; --cbg-hover: #f2e4ea; }
.ucs-c6 { --c: #9a6431; --cbg: #faf2ea; --cbg-hover: #f5e8dc; }
.ucs-c7 { --c: #8d7024; --cbg: #f9f4e3; --cbg-hover: #f3ecd6; }
.ucs-c8 { --c: #67783a; --cbg: #f3f5e9; --cbg-hover: #eaefdb; }
.ucs-c9 { --c: #3f7a4d; --cbg: #edf5ef; --cbg-hover: #e0eee3; }
.ucs-c10 { --c: #3f6f7c; --cbg: #edf4f6; --cbg-hover: #e1eef1; }
.ucs-c11 { --c: #7a5f49; --cbg: #f6f1ec; --cbg-hover: #efe7df; }
.ucs-c12 { --c: #565d68; --cbg: #f1f2f4; --cbg-hover: #e8eaee; }

/* ---------------- 移动端日视图 ---------------- */

.ucs-mobile {
	display: none;
}

.ucs-mobile__tabs {
	display: flex;
	gap: 0;
	overflow-x: auto;
	margin-bottom: 12px;
	border: 1px solid var(--ucs-line-strong);
	border-radius: var(--ucs-radius);
	-webkit-overflow-scrolling: touch;
}

.ucs-mobile__tab {
	flex: 1 0 auto;
	height: 34px;
	padding: 0 12px;
	border: 0;
	border-right: 1px solid var(--ucs-line);
	background: var(--ucs-bg);
	color: var(--ucs-muted);
	font-size: 13px;
	cursor: pointer;
}

.ucs-mobile__tab:last-child {
	border-right: 0;
}

.ucs-mobile__tab.is-active {
	background: var(--ucs-accent);
	color: #fff;
	font-weight: 600;
}

.ucs-mobile__list {
	border: 1px solid var(--ucs-line);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
	overflow: hidden;
}

.ucs-mobile__item {
	display: flex;
	gap: 12px;
	width: 100%;
	padding: 12px 14px;
	border: 0;
	border-bottom: 1px solid var(--ucs-line);
	background: var(--ucs-bg);
	text-align: left;
	cursor: pointer;
}

.ucs-mobile__item:last-child {
	border-bottom: 0;
}

.ucs-mobile__time {
	flex: 0 0 64px;
	font-size: 12px;
	color: var(--ucs-muted);
	font-variant-numeric: tabular-nums;
}

.ucs-mobile__main {
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.ucs-mobile__name {
	font-size: 14px;
	font-weight: 600;
	word-break: break-word;
}

.ucs-mobile__meta {
	font-size: 12px;
	color: var(--ucs-muted);
	word-break: break-word;
}

.ucs-mobile__empty {
	padding: 32px 14px;
	text-align: center;
	color: var(--ucs-muted);
	font-size: 13px;
}

/* ---------------- 空状态 / 加载 / 提示 ---------------- */

.ucs-empty,
.ucs-loading,
.ucs-notice {
	padding: 56px 20px;
	text-align: center;
}

.ucs-empty__title,
.ucs-notice__title {
	margin-bottom: 8px;
	font-size: 18px;
	font-weight: 600;
	color: var(--ucs-ink);
}

.ucs-empty__text,
.ucs-notice__text {
	margin-bottom: 18px;
	color: var(--ucs-muted);
	font-size: 13px;
}

.ucs-loading {
	color: var(--ucs-muted);
	font-size: 13px;
}

.ucs-noscript {
	padding: 14px 16px;
	border: 1px solid #e9cfcc;
	border-radius: var(--ucs-radius);
	background: var(--ucs-danger-soft);
	color: var(--ucs-danger);
	font-size: 13px;
}

.ucs-notice {
	max-width: 520px;
	margin: 40px auto;
	border: 1px solid var(--ucs-line);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
}

.ucs-notice__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: center;
}

/* ---------------- 弹窗 ---------------- */

.ucs-modal {
	position: fixed;
	inset: 0;
	z-index: 99990;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	background: rgba(26, 29, 33, .45);
}

.ucs-modal__dialog {
	display: flex;
	flex-direction: column;
	width: 100%;
	max-width: 600px;
	max-height: 90vh;
	border: 1px solid var(--ucs-line);
	border-radius: 8px;
	background: var(--ucs-bg);
	box-shadow: 0 10px 30px rgba(26, 29, 33, .16);
	overflow: hidden;
	outline: none;
}

.ucs-modal__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 16px 20px;
	border-bottom: 1px solid var(--ucs-line);
}

.ucs-modal__title {
	font-size: 16px;
	font-weight: 600;
}

.ucs-modal__close {
	width: 28px;
	height: 28px;
	border: 0;
	border-radius: 4px;
	background: transparent;
	color: var(--ucs-muted);
	font-size: 18px;
	line-height: 1;
	cursor: pointer;
}

.ucs-modal__close:hover {
	background: var(--ucs-soft);
	color: var(--ucs-ink);
}

.ucs-modal__body {
	padding: 18px 20px;
	overflow-y: auto;
}

.ucs-modal__foot {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: flex-end;
	gap: 8px;
	padding: 12px 20px;
	border-top: 1px solid var(--ucs-line);
	background: var(--ucs-soft);
}

.ucs-modal__foot .ucs-spacer {
	flex: 1 1 auto;
}

/* ---------------- 表单 ---------------- */

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

.ucs-field__label {
	display: block;
	margin-bottom: 6px;
	font-size: 12px;
	font-weight: 600;
	color: var(--ucs-muted);
}

.ucs-field__label em {
	color: var(--ucs-danger);
	font-style: normal;
}

.ucs-input,
.ucs-textarea {
	width: 100%;
	padding: 8px 10px;
	border: 1px solid var(--ucs-line-strong);
	border-radius: var(--ucs-radius);
	background: var(--ucs-bg);
	color: var(--ucs-ink);
	font-family: inherit;
	font-size: 14px;
	transition: border-color .15s ease, box-shadow .15s ease;
}

.ucs-input:focus,
.ucs-textarea:focus,
.ucs-select:focus {
	outline: none;
	border-color: var(--ucs-accent);
	box-shadow: 0 0 0 3px var(--ucs-accent-soft);
}

.ucs-textarea {
	min-height: 72px;
	resize: vertical;
}

.ucs-row {
	display: flex;
	gap: 12px;
}

.ucs-row > .ucs-field {
	flex: 1 1 0;
	min-width: 0;
}

.ucs-hint {
	margin: 4px 0 10px;
	font-size: 12px;
	color: var(--ucs-muted);
}

/* 颜色选择 */

.ucs-swatches {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.ucs-swatch {
	width: 26px;
	height: 26px;
	padding: 0;
	border: 2px solid transparent;
	border-radius: 4px;
	background: var(--cbg, #eef5f3);
	box-shadow: inset 0 0 0 1px var(--c, #2f6f63);
	cursor: pointer;
}

.ucs-swatch.is-active {
	border-color: var(--ucs-ink);
}

/* 节次编辑 */

.ucs-periods-editor {
	border: 1px solid var(--ucs-line);
	border-radius: var(--ucs-radius);
	overflow: hidden;
	margin-bottom: 10px;
}

.ucs-periods-editor__row {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 6px 8px;
	border-bottom: 1px solid var(--ucs-line);
	background: var(--ucs-bg);
}

.ucs-periods-editor__row:last-child {
	border-bottom: 0;
}

.ucs-periods-editor__row .ucs-input {
	padding: 5px 7px;
	font-size: 12px;
}

.ucs-periods-editor__index {
	flex: 0 0 20px;
	font-size: 12px;
	color: var(--ucs-muted);
	text-align: center;
	font-variant-numeric: tabular-nums;
}

.ucs-periods-editor__name {
	flex: 1 1 auto;
	min-width: 0;
}

.ucs-periods-editor__time {
	flex: 0 0 84px;
	width: 84px;
}

.ucs-periods-editor__remove {
	flex: 0 0 auto;
	width: 26px;
	height: 26px;
	border: 0;
	border-radius: 4px;
	background: transparent;
	color: var(--ucs-danger);
	cursor: pointer;
}

.ucs-periods-editor__remove:hover {
	background: var(--ucs-danger-soft);
}

/* 课表管理列表 */

.ucs-list-manage {
	border: 1px solid var(--ucs-line);
	border-radius: var(--ucs-radius);
	overflow: hidden;
	margin-bottom: 16px;
}

.ucs-list-manage__item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	padding: 11px 12px;
	border-bottom: 1px solid var(--ucs-line);
	background: var(--ucs-bg);
	font-size: 13px;
	color: var(--ucs-muted);
}

.ucs-list-manage__item:last-child {
	border-bottom: 0;
}

.ucs-list-manage__title {
	font-size: 13px;
	font-weight: 600;
	color: var(--ucs-ink);
	word-break: break-word;
}

.ucs-list-manage__meta {
	margin-top: 2px;
	font-size: 12px;
	color: var(--ucs-muted);
}

.ucs-list-manage__actions {
	display: flex;
	gap: 8px;
	flex: 0 0 auto;
}

/* 分享链接 */

.ucs-share-link {
	display: flex;
	gap: 8px;
	margin-top: 8px;
}

.ucs-share-link .ucs-input {
	flex: 1 1 auto;
	font-size: 12px;
}

/* ---------------- Toast ---------------- */

.ucs-toast {
	position: fixed;
	left: 50%;
	bottom: 28px;
	z-index: 100000;
	transform: translateX(-50%);
	max-width: min(92vw, 420px);
	padding: 10px 16px;
	border-radius: var(--ucs-radius);
	background: #23282e;
	color: #fff;
	font-size: 13px;
	box-shadow: 0 8px 22px rgba(26, 29, 33, .18);
	opacity: 0;
	transition: opacity .2s ease;
	pointer-events: none;
}

.ucs-toast.is-visible {
	opacity: 1;
}

.ucs-toast--error {
	background: #9e3a33;
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1024px) {
	.ucs-toolbar__name {
		font-size: 17px;
	}
}

@media (max-width: 768px) {
	.ucs {
		margin: 12px 0;
	}

	.ucs--standalone {
		padding: 20px 12px 40px;
	}

	.ucs-grid {
		display: none;
	}

	.ucs-mobile {
		display: block;
	}

	.ucs-toolbar {
		align-items: flex-start;
	}

	.ucs-toolbar__actions {
		width: 100%;
	}

	.ucs-today {
		flex-direction: column;
		align-items: flex-start;
		gap: 8px;
	}

	.ucs-today__label {
		padding-right: 0;
		border-right: 0;
	}

	.ucs-row {
		flex-direction: column;
		gap: 0;
	}

	.ucs-modal {
		padding: 0;
		align-items: flex-end;
	}

	.ucs-modal__dialog {
		max-width: none;
		max-height: 92vh;
		border-radius: 8px 8px 0 0;
	}
}

@media (max-width: 480px) {
	.ucs-toolbar__actions {
		gap: 6px;
	}

	.ucs-btn {
		padding: 0 10px;
	}

	.ucs-today__item {
		width: 100%;
	}
}