/**
 * UTC+0 双时区 — 世界时钟面板样式 v1.3
 *
 * Flat Design · Fresh Cyan · 纯卡片
 *
 * @package UTC_Dual_Time
 * @since 1.3.0
 */

/* ── 面板容器 ─────────────────────────────────────────── */

.utc-world-clock {
	background: var(--utc-card-bg);
	border: 1px solid var(--utc-border);
	border-radius: var(--utc-radius-lg);
	padding: 0;
	overflow: hidden;
	font-family: var(--utc-font-body);
	color: var(--utc-text);
	max-width: 100%;
}

/* ── 头部 ─────────────────────────────────────────────── */

.utc-wc-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 18px;
	border-bottom: 1px solid var(--utc-border);
	background: var(--utc-bg);
}

.utc-wc-title {
	font-size: 15px;
	font-weight: 600;
	color: var(--utc-text-strong);
	display: flex;
	align-items: center;
	gap: 8px;
	font-family: var(--utc-font-heading);
}

.utc-wc-title-svg {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 26px;
	height: 26px;
	border-radius: var(--utc-radius-sm);
	background: var(--utc-primary-light);
	color: var(--utc-primary);
}

.utc-wc-title-svg svg {
	width: 15px;
	height: 15px;
}

.utc-wc-add-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	border: 1px solid var(--utc-border);
	border-radius: var(--utc-radius-sm);
	background: var(--utc-card-bg);
	color: var(--utc-primary);
	cursor: pointer;
	transition: all var(--utc-transition);
	padding: 0;
}

.utc-wc-add-btn:hover {
	background: var(--utc-primary);
	color: #fff;
	border-color: var(--utc-primary);
}

.utc-wc-add-btn:focus-visible {
	outline: 2px solid var(--utc-primary);
	outline-offset: 2px;
}

/* ── 时钟卡片网格 ─────────────────────────────────────── */

.utc-wc-clocks {
	padding: 14px;
	display: grid;
	gap: 10px;
}

.utc-wc-clocks[data-layout="card"] {
	grid-template-columns: 1fr;
}

.utc-wc-clocks[data-layout="compact"] {
	grid-template-columns: 1fr 1fr;
}

@media (max-width: 480px) {
	.utc-wc-clocks[data-layout="compact"] {
		grid-template-columns: 1fr;
	}
}

/* ── 单张时钟卡片 ─────────────────────────────────────── */

.utc-wc-clock-card {
	background: var(--utc-card-bg);
	border: 1px solid var(--utc-border);
	border-radius: var(--utc-radius);
	padding: 14px 16px;
	transition: border-color var(--utc-transition);
	position: relative;
}

.utc-wc-clock-card:hover {
	border-color: var(--utc-primary);
}

/* 当前时区高亮 */
.utc-wc-clock-card.utc-wc-current {
	border-color: var(--utc-primary);
	background: var(--utc-primary-light);
}

.utc-wc-current .utc-wc-time {
	color: var(--utc-primary);
}

/* ── 卡片顶部（城市+移除按钮） ───────────────────────── */

.utc-wc-card-top {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	margin-bottom: 10px;
}

.utc-wc-city-info {
	flex: 1;
	min-width: 0;
}

.utc-wc-city {
	font-size: 15px;
	font-weight: 600;
	color: var(--utc-text-strong);
	display: block;
	line-height: 1.3;
	font-family: var(--utc-font-heading);
}

.utc-wc-country-row {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 3px;
	font-size: 12px;
	color: var(--utc-text-sub);
	margin-top: 3px;
}

.utc-wc-region {
	color: var(--utc-text-muted);
}

/* ── 卡片底部（时间） ─────────────────────────────────── */

.utc-wc-card-bottom {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 8px;
}

.utc-wc-time {
	font-size: 26px;
	font-weight: 700;
	color: var(--utc-text);
	font-variant-numeric: tabular-nums;
	letter-spacing: 1px;
	line-height: 1;
	font-family: var(--utc-font-mono);
}

.utc-wc-meta {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 12px;
	color: var(--utc-text-muted);
}

.utc-wc-offset {
	display: inline-flex;
	align-items: center;
	background: var(--utc-primary-light);
	color: var(--utc-primary);
	padding: 3px 8px;
	border-radius: var(--utc-radius-sm);
	font-weight: 500;
	font-size: 12px;
	font-family: var(--utc-font-mono);
}

.utc-wc-date {
	color: var(--utc-text-sub);
}

.utc-wc-dst {
	display: inline-flex;
	align-items: center;
	background: rgba(245, 158, 11, 0.1);
	color: var(--utc-warning);
	padding: 2px 7px;
	border-radius: var(--utc-radius-sm);
	font-weight: 500;
	font-size: 11px;
}

/* ── 移除按钮 ─────────────────────────────────────────── */

.utc-wc-remove-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 26px;
	height: 26px;
	border: none;
	border-radius: var(--utc-radius-sm);
	background: transparent;
	color: var(--utc-text-muted);
	cursor: pointer;
	transition: all var(--utc-transition);
	padding: 0;
	flex-shrink: 0;
	opacity: 0;
}

.utc-wc-clock-card:hover .utc-wc-remove-btn {
	opacity: 1;
}

.utc-wc-remove-btn:hover {
	background: rgba(239, 68, 68, 0.1);
	color: var(--utc-danger);
}

.utc-wc-remove-btn:focus-visible {
	outline: 2px solid var(--utc-danger);
	outline-offset: 2px;
	opacity: 1;
}

/* ── 搜索弹窗 ─────────────────────────────────────────── */

.utc-wc-search-modal {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 99999;
}

.utc-wc-search-modal.utc-wc-open {
	display: block;
}

.utc-wc-search-backdrop {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.35);
	animation: utc-wc-fade-in 0.2s ease;
}

.utc-wc-search-panel {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 90%;
	max-width: 460px;
	max-height: 70vh;
	background: var(--utc-card-bg);
	border: 1px solid var(--utc-border);
	border-radius: var(--utc-radius-lg);
	overflow: hidden;
	animation: utc-wc-scale-in 0.2s ease;
	display: flex;
	flex-direction: column;
}

.utc-wc-search-header {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 12px 16px;
	border-bottom: 1px solid var(--utc-border);
}

.utc-wc-search-input {
	flex: 1;
	border: none;
	outline: none;
	font-size: 15px;
	padding: 8px 0;
	color: var(--utc-text);
	background: transparent;
	min-width: 0;
	font-family: var(--utc-font-body);
}

.utc-wc-search-input::placeholder {
	color: var(--utc-text-muted);
}

.utc-wc-search-input:focus-visible {
	/* handled by parent */
}

.utc-wc-search-close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border: none;
	border-radius: var(--utc-radius-sm);
	background: transparent;
	color: var(--utc-text-muted);
	cursor: pointer;
	flex-shrink: 0;
	transition: all var(--utc-transition);
	padding: 0;
}

.utc-wc-search-close:hover {
	background: var(--utc-card-hover);
	color: var(--utc-text);
}

.utc-wc-search-close:focus-visible {
	outline: 2px solid var(--utc-primary);
	outline-offset: 2px;
}

.utc-wc-search-results {
	flex: 1;
	overflow-y: auto;
	padding: 6px 0;
	max-height: 380px;
}

/* ── 搜索结果分组 ─────────────────────────────────────── */

.utc-wc-result-group-label {
	padding: 7px 16px;
	font-size: 11px;
	font-weight: 600;
	color: var(--utc-primary);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	font-family: var(--utc-font-heading);
}

.utc-wc-result-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 16px;
	cursor: pointer;
	transition: background var(--utc-transition);
	border: none;
	background: transparent;
	width: 100%;
	text-align: left;
	color: var(--utc-text);
	font-family: inherit;
	font-size: inherit;
}

.utc-wc-result-row:hover {
	background: var(--utc-card-hover);
}

.utc-wc-result-row:focus-visible {
	outline: 2px solid var(--utc-primary);
	outline-offset: -2px;
}

.utc-wc-result-info {
	flex: 1;
	min-width: 0;
}

.utc-wc-result-city {
	display: block;
	font-size: 14px;
	font-weight: 500;
	line-height: 1.3;
}

.utc-wc-result-country {
	display: block;
	font-size: 12px;
	color: var(--utc-text-muted);
	margin-top: 1px;
}

.utc-wc-result-offset {
	font-size: 13px;
	font-weight: 500;
	color: var(--utc-primary);
	flex-shrink: 0;
	margin-left: 12px;
	font-family: var(--utc-font-mono);
}

.utc-wc-result-row.utc-wc-added .utc-wc-result-offset::after {
	content: ' ✓';
	color: var(--utc-cta);
}

.utc-wc-result-empty {
	padding: 36px 16px;
	text-align: center;
	color: var(--utc-text-muted);
	font-size: 14px;
}

/* ── 动画 ─────────────────────────────────────────────── */

@keyframes utc-wc-fade-in {
	from { opacity: 0; }
	to   { opacity: 1; }
}

@keyframes utc-wc-scale-in {
	from { opacity: 0; transform: translate(-50%, -50%) scale(0.96); }
	to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes utc-wc-slide-in {
	from { opacity: 0; transform: translateY(-6px); }
	to   { opacity: 1; transform: translateY(0); }
}

.utc-wc-clock-card.utc-wc-new {
	animation: utc-wc-slide-in 0.25s ease;
}

/* ── 页脚包裹 ─────────────────────────────────────────── */

.utc-wc-footer-wrapper {
	margin-top: 40px;
	margin-bottom: 20px;
}

.utc-wc-footer-wrapper .utc-wc-header {
	background: var(--utc-card-bg);
}

/* ── prefers-reduced-motion ────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
	.utc-wc-search-backdrop,
	.utc-wc-search-panel,
	.utc-wc-clock-card.utc-wc-new {
		animation: none;
	}

	.utc-wc-clock-card,
	.utc-wc-add-btn,
	.utc-wc-remove-btn,
	.utc-wc-result-row,
	.utc-wc-search-close {
		transition: none;
	}
}