/* MandarinMiles · Hanzi Lab（/hanzi/ 页面专属）
 * ---------------------------------------------------------------
 * 依赖 mm-child-style（令牌），经 inc/hanzi.php 显式声明依赖加载。
 * 结构：How → 40 部首卡网格 → 字族网格 → 笔顺练习（Hanzi Writer）。
 */

.mm-hz-page { padding-bottom: 64px; }

/* ---------- 吸顶导航 ---------- */
.mm-hz-nav {
	position: sticky; top: 0; z-index: 30;
	background: var(--card);
	border-bottom: 1px solid var(--border);
}
.mm-hz-nav-in {
	max-width: 820px; margin: 0 auto;
	display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none;
	padding: 8px 16px;
}
.mm-hz-nav-in::-webkit-scrollbar { display: none; }
.mm-hz-nav-in a {
	flex: 0 0 auto;
	font-size: 13px; font-weight: 600; color: var(--muted);
	text-decoration: none; padding: 6px 12px; border-radius: 999px;
	white-space: nowrap;
}
.mm-hz-nav-in a:hover { color: var(--primary); background: var(--brand-tint); }
.mm-hz-nav-in a.active { color: #1166F0; background: var(--brand-tint); }

/* ---------- 章节骨架 ---------- */
.mm-hz-wrap { max-width: 980px; }
.mm-hz-sec { margin-top: 56px; scroll-margin-top: 64px; }
.mm-hz-sec-head h2 {
	font-size: 26px; line-height: 1.25; color: var(--primary-dark);
	margin: 0 0 10px; display: flex; align-items: baseline; gap: 12px;
}
.mm-hz-zh { font-size: 17px; color: var(--muted); font-weight: 500; }
.mm-hz-lead { color: var(--muted); line-height: 1.7; margin: 0 0 20px; max-width: 66ch; }
.mm-hz-lead b { color: var(--primary-dark); }

/* ---------- 部首卡网格 ---------- */
.mm-hz-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.mm-hz-rad {
	-webkit-appearance: none; appearance: none; font: inherit; cursor: pointer;
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 12px 14px; display: flex; align-items: center; gap: 12px; text-align: left;
	transition: border-color .15s, box-shadow .15s;
}
.mm-hz-rad:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.mm-hz-rad.is-on { border-color: var(--primary); background: var(--brand-tint); }
.mm-hz-rad-glyph {
	font-size: 34px; font-weight: 800; color: var(--primary); line-height: 1;
	width: 44px; text-align: center;
}
.mm-hz-rad-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mm-hz-rad-py { font-size: 12.5px; font-weight: 600; color: var(--accent-strong); font-family: var(--mm-font-latin); }
.mm-hz-rad-en { font-size: 12px; color: var(--muted); line-height: 1.35; }

/* ---------- 字族 ---------- */
.mm-hz-family {
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 16px 18px; min-height: 120px;
}
.mm-hz-family-empty { color: var(--muted); font-size: 14.5px; text-align: center; padding: 24px 0; }
.mm-hz-family-head { margin: 0 0 14px; font-size: 16px; color: var(--primary-dark); }
.mm-hz-family-head b { font-size: 26px; margin-right: 6px; }
.mm-hz-family-hint { font-size: 12px; color: var(--muted); display: block; margin-top: 4px; }
.mm-hz-fam-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 10px; }
.mm-hz-char {
	-webkit-appearance: none; appearance: none; font: inherit; cursor: pointer;
	background: var(--card); border: 1px solid var(--border); border-radius: 12px;
	padding: 10px 4px 8px; display: flex; flex-direction: column; align-items: center; gap: 2px;
	transition: border-color .15s, transform .06s;
}
.mm-hz-char:hover { border-color: var(--primary); }
.mm-hz-char:active { transform: scale(.96); }
.mm-hz-char-glyph { font-size: 30px; font-weight: 700; color: var(--text); line-height: 1.15; }
.mm-hz-char-strokes { font-size: 10.5px; color: var(--muted); font-family: var(--mm-font-latin); }

/* ---------- 笔顺练习 ---------- */
.mm-hz-practice {
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 18px 20px;
}
.mm-hz-practice-empty { color: var(--muted); font-size: 14.5px; margin-bottom: 12px; }
.mm-hz-practice-in { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.mm-hz-practice-in input {
	font: inherit; font-size: 20px; text-align: center;
	width: 72px; padding: 8px; border: 1.5px solid var(--border); border-radius: 10px;
	background: var(--card); color: var(--text);
}
.mm-hz-practice-in input:focus { border-color: var(--primary); outline: none; }
.mm-hz-go {
	-webkit-appearance: none; appearance: none; font: inherit; font-weight: 700; cursor: pointer;
	background: var(--action); color: var(--action-ink); border: 0; border-radius: 10px;
	padding: 10px 18px; transition: background .15s;
}
.mm-hz-go:hover { background: var(--action-hover); color: var(--action-ink); }
.mm-hz-go.is-quiz { background: var(--primary); }
.mm-hz-writer-box { display: none; margin-top: 18px; text-align: center; }
.mm-hz-writer-box.is-on { display: block; }
.mm-hz-writer { width: 180px; height: 180px; margin: 0 auto; border: 1px solid var(--border); border-radius: 12px; background: var(--card); }
.mm-hz-writer-ctrl { display: flex; gap: 10px; justify-content: center; margin-top: 12px; }
.mm-hz-mini {
	-webkit-appearance: none; appearance: none; font: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer;
	background: var(--card); color: var(--primary); border: 1.5px solid var(--border); border-radius: 999px;
	padding: 7px 14px;
}
.mm-hz-mini:hover { border-color: var(--primary); }
.mm-hz-writer-msg { min-height: 22px; margin: 10px 0 0; font-size: 14px; color: var(--accent-strong); line-height: 1.5; }
.mm-hz-writer-msg .mm-hz-nodata { color: #b32d2e; }
.mm-hz-writer-msg .mm-hz-nodata b { font-size: 17px; }

/* ---------- 响应式 ---------- */
@media (max-width: 760px) {
	.mm-hz-grid { grid-template-columns: 1fr 1fr; }
	.mm-hz-sec-head h2 { font-size: 22px; }
	.mm-hz-nav-in { padding: 6px 10px; }
	.mm-hz-nav-in a { padding: 5px 10px; font-size: 12px; }
}
@media (max-width: 480px) {
	.mm-hz-fam-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- 部件拆解面板（P1 · Wikimedia Commons CCD） ---------- */
.mm-hz-decomp {
	margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--border);
}
.mm-hz-decomp[hidden] { display: none; }
.mm-hz-d-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.mm-hz-d-title { font-size: 14px; font-weight: 800; color: var(--primary-dark); }
.mm-hz-d-crumb { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; color: var(--muted); }
.mm-hz-d-crumb b { font-size: 20px; color: var(--text); }
.mm-hz-d-back {
	font: inherit; font-size: 15px; background: none; border: 0; cursor: pointer;
	color: var(--primary); padding: 0; text-decoration: underline dotted;
}
.mm-hz-d-crumb i { font-style: normal; color: var(--border); }
.mm-hz-d-row { display: flex; align-items: center; justify-content: center; gap: 10px; }
.mm-hz-d-row.is-col { flex-direction: column; }
.mm-hz-d-tile {
	position: relative; display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
	min-width: 84px; min-height: 84px; padding: 10px 14px;
	background: var(--card); border: 2px solid var(--border); border-radius: 14px;
	cursor: pointer; transition: border-color .12s, box-shadow .12s;
}
.mm-hz-d-tile:hover { border-color: var(--primary); box-shadow: 0 2px 10px rgba(17,102,240,.15); }
.mm-hz-d-tile.is-nodata { opacity: .38; cursor: not-allowed; }
.mm-hz-d-tile.is-nodata:hover { border-color: var(--border); box-shadow: none; }
.mm-hz-d-glyph { font-size: 44px; line-height: 1.1; color: var(--text); }
.mm-hz-d-st {
	position: absolute; top: -8px; right: -8px;
	font-size: 11px; font-weight: 800; color: #1166F0;
	background: var(--brand-tint, #EEF4FF); border: 1px solid var(--primary);
	border-radius: 999px; padding: 1px 7px;
}
.mm-hz-d-en { font-size: 11px; color: var(--muted); margin-top: 2px; }
.mm-hz-d-sep { font-size: 20px; font-weight: 700; color: var(--muted); }
.mm-hz-d-x {
	align-self: center; font-size: 12px; font-weight: 800; color: var(--muted);
	background: var(--brand-tint, #EEF4FF); border-radius: 8px; padding: 3px 7px;
}
.mm-hz-d-x.x4 { font-size: 10px; }
.mm-hz-d-note { margin: 14px 0 0; font-size: 13px; line-height: 1.65; color: var(--muted); text-align: center; }
.mm-hz-d-note b { color: var(--primary-dark); }
.mm-hz-d-src { margin: 8px 0 0; font-size: 11px; color: var(--muted); opacity: .75; text-align: center; }
.mm-hz-d-single { margin: 0; font-size: 14.5px; color: var(--muted); text-align: center; line-height: 1.7; }
.mm-hz-d-single b { font-size: 22px; color: var(--text); margin-right: 4px; }