/* KH Domain Insight 样式 */
.kh-da-wrap {
	max-width: 920px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	color: #1f2937;
}
:root {
	--kh-green: #166534;
	--kh-blue: #2684e1;
	--kh-amber: #b45309;
	--kh-red: #b91c1c;
}
.kh-da-form {
	display: flex;
	gap: 10px;
	margin-bottom: 8px;
}
.kh-da-input {
	flex: 1;
	padding: 12px 14px;
	border: 1px solid #d1d5db;
	border-radius: 8px;
	font-size: 16px;
}
.kh-da-input:focus {
	outline: none;
	border-color: var(--kh-blue);
	box-shadow: 0 0 0 3px rgba(38,132,225,.15);
}
.kh-da-submit {
	padding: 12px 22px;
	background: var(--kh-blue);
	color: #fff;
	border: none;
	border-radius: 8px;
	font-size: 16px;
	cursor: pointer;
	font-weight: 600;
}
.kh-da-submit:hover { background: #1f6fc4; }
.kh-da-submit:disabled { opacity: .6; cursor: not-allowed; }
.kh-da-hint { font-size: 13px; color: #6b7280; margin: 4px 0 16px; }

.kh-da-loading { display: flex; align-items: center; gap: 10px; color: #374151; font-size: 15px; }
.kh-da-spinner {
	width: 18px; height: 18px; border: 3px solid #cbd5e1;
	border-top-color: var(--kh-blue); border-radius: 50%;
	animation: kh-da-spin .8s linear infinite;
}
@keyframes kh-da-spin { to { transform: rotate(360deg); } }

.kh-da-error {
	background: #fef2f2; border: 1px solid #fecaca; color: var(--kh-red);
	padding: 12px 14px; border-radius: 8px; margin: 12px 0;
}

.kh-da-section {
	background: #fff; border: 1px solid #e5e7eb; border-radius: 12px;
	padding: 18px 20px; margin-bottom: 16px;
}
.kh-da-section h3 {
	margin: 0 0 12px; font-size: 17px; color: #111827;
	display: flex; align-items: center; gap: 8px;
}
.kh-da-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
.kh-da-row { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; border-bottom: 1px dashed #f0f0f0; }
.kh-da-row .k { color: #6b7280; font-size: 14px; }
.kh-da-row .v { color: #111827; font-size: 14px; font-weight: 500; text-align: right; word-break: break-all; }

.kh-badge {
	display: inline-block; padding: 3px 10px; border-radius: 999px;
	font-size: 12px; font-weight: 600; margin: 2px 4px 2px 0;
	background: #eef2ff; color: #3730a3;
}
.kh-badge.wp { background: #e0f2fe; color: #0369a1; }

/* 缓存状态高亮 */
.kh-cache-pill {
	display: inline-flex; align-items: center; gap: 6px;
	padding: 6px 14px; border-radius: 999px; font-weight: 700; font-size: 14px;
}
.kh-cache-pill::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: currentColor; }
.kh-cache-hit    { background: #dcfce7; color: var(--kh-green); }
.kh-cache-miss   { background: #fef3c7; color: var(--kh-amber); }
.kh-cache-bypass { background: #fee2e2; color: var(--kh-red); }
.kh-cache-none   { background: #f3f4f6; color: #6b7280; }

.kh-headers { max-height: 280px; overflow: auto; background: #0f172a; border-radius: 8px; padding: 12px; }
.kh-headers table { width: 100%; border-collapse: collapse; }
.kh-headers td { padding: 3px 8px; font-size: 12.5px; font-family: ui-monospace, Menlo, monospace; color: #e2e8f0; vertical-align: top; }
.kh-headers td.name { color: #7dd3fc; white-space: nowrap; width: 38%; }
.kh-headers tr.cache-row td { background: rgba(125,211,252,.08); }

.kh-suggest { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.kh-suggest a {
	display: block; padding: 12px 14px; border: 1px solid #e5e7eb; border-radius: 10px;
	text-decoration: none; color: #111827; font-weight: 600; transition: .15s;
	background: #f9fafb;
}
.kh-suggest a:hover { border-color: var(--kh-blue); background: #eff6ff; }
.kh-suggest .tag { display: block; font-size: 11px; color: #16a34a; font-weight: 600; margin-top: 2px; }

.kh-avail-banner {
	background: #dcfce7; border: 1px solid #86efac; color: var(--kh-green);
	padding: 14px 18px; border-radius: 12px; margin-bottom: 16px; font-size: 16px; font-weight: 600;
}
.kh-reg-banner {
	display: flex; align-items: center; justify-content: space-between; gap: 12px;
	background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af;
	padding: 14px 18px; border-radius: 12px; margin-bottom: 16px; font-size: 16px; font-weight: 600;
}
.kh-reg-banner.kh-reg-unknown { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.kh-reg-text { flex: 1; min-width: 0; }
.kh-whois-btn {
	flex: none; white-space: nowrap; text-decoration: none; font-weight: 600; font-size: 14px;
	padding: 8px 14px; border-radius: 8px; background: var(--kh-blue); color: #fff;
	transition: .15s;
}
.kh-whois-btn:hover { background: #1f6fc4; color: #fff; }

/* 可点击的访问网址（包含搜索词） */
.kh-visit {
	display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
	background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px;
	padding: 10px 14px; margin-bottom: 16px; font-size: 14px;
}
.kh-visit .k { color: #6b7280; font-weight: 600; }
.kh-visit a { color: var(--kh-blue); font-weight: 600; text-decoration: none; word-break: break-all; }
.kh-visit a:hover { text-decoration: underline; }

/* 服务器缓存类型高亮徽章 */
.kh-cache-type {
	display: inline-block; margin-top: 10px; padding: 6px 12px; border-radius: 8px;
	font-size: 13px; font-weight: 700; border: 1px solid transparent;
}
.kh-cache-type-cf     { background: #ecfeff; color: #0e7490; border-color: #a5f3fc; }
.kh-cache-type-varnish{ background: #f5f3ff; color: #6d28d9; border-color: #ddd6fe; }
.kh-cache-type-proxy  { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.kh-cache-type-hit    { background: #dcfce7; color: var(--kh-green); border-color: #86efac; }
.kh-cache-type-miss   { background: #fef3c7; color: var(--kh-amber); border-color: #fde68a; }
.kh-cache-type-bypass { background: #fee2e2; color: var(--kh-red); border-color: #fecaca; }
.kh-cache-type-none   { background: #f3f4f6; color: #6b7280; border-color: #e5e7eb; }

.kh-da-seo { font-size: 14px; line-height: 1.7; color: #374151; background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 10px; padding: 14px 18px; margin-bottom: 18px; }
.kh-da-seo p { margin: 0; }
.kh-da-seo strong { color: #111827; }
.kh-alt-section { border-color: #bbf7d0; background: #f0fdf4; }
.kh-alt-section h3 { color: var(--kh-green); }
.kh-alt-tip { margin: 0 0 12px; color: #6b7280; font-size: 13px; }
@media (max-width: 640px) {
	.kh-da-grid { grid-template-columns: 1fr; }
}