/*!
 * Components Pro-Metal — button, card, tiêu đề, field, table, FAQ, badge, pill, TOC, sticky CTA.
 * @owner Session B · CHỈ dùng var(--pm-*) từ tokens.css. Không định nghĩa lại .pm-cta (của Session A).
 *
 * Kỷ luật màu: cam (--pm-accent) chỉ cho CTA gọi + gạch tiêu đề nhỏ + accent điểm nhấn (≤8%).
 * KHÔNG tô cam cho H1–H6 hay mảng nền lớn.
 */

/* ============================================================= *
 *  1. BUTTON — .pm-btn (+ --call / --zalo / --ghost)
 * ============================================================= */
.pm-btn{
	display:inline-flex;align-items:center;justify-content:center;gap:9px;
	padding:13px 24px;border:2px solid transparent;border-radius:var(--pm-r-pill);
	font-family:inherit;font-weight:700;font-size:15px;line-height:1;text-align:center;
	text-decoration:none;white-space:nowrap;cursor:pointer;
	background:var(--pm-brand);color:#fff;
	transition:transform .16s ease,background .16s ease,box-shadow .16s ease,filter .16s ease,border-color .16s ease;
}
.pm-btn .pm-icon{flex:none}
.pm-btn:hover,.pm-btn:focus-visible{background:var(--pm-brand-deep);color:#fff;transform:translateY(-2px)}

/* Biến thể chính: Gọi ngay (cam — CTA quan trọng nhất) */
/* Chữ navy (không phải trắng) để đạt WCAG: #1e2b33 trên cam = 6,15:1 (base) / 4,80:1 (hover). Giữ nền cam thương hiệu. */
.pm-btn--call{background:var(--pm-accent);color:var(--pm-text);box-shadow:0 6px 16px rgba(240,147,43,.28)}
.pm-btn--call:hover,.pm-btn--call:focus-visible{background:var(--pm-accent-hover);color:var(--pm-text)}

/* Zalo */
.pm-btn--zalo{background:var(--pm-zalo);color:#fff}
.pm-btn--zalo:hover,.pm-btn--zalo:focus-visible{background:var(--pm-zalo);color:#fff;filter:brightness(1.08)}

/* Ghost / viền */
.pm-btn--ghost{background:transparent;border-color:var(--pm-brand);color:var(--pm-brand)}
.pm-btn--ghost:hover,.pm-btn--ghost:focus-visible{background:var(--pm-surface-2);border-color:var(--pm-brand-deep);color:var(--pm-brand-deep)}
/* Ghost trên nền tối (hero) */
.pm-btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.pm-btn--ghost-light:hover,.pm-btn--ghost-light:focus-visible{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}

/* Kích thước & tiện ích */
.pm-btn--sm{padding:9px 16px;font-size:14px;gap:7px}
.pm-btn--lg{padding:16px 30px;font-size:16px}
.pm-btn--block{display:flex;width:100%}

/* Trạng thái disabled / loading */
.pm-btn[disabled],.pm-btn.is-disabled,.pm-btn.is-loading{
	opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;pointer-events:none;
}
.pm-btn.is-loading{position:relative;color:transparent !important}
.pm-btn.is-loading::after{
	content:"";position:absolute;width:18px;height:18px;top:calc(50% - 9px);left:calc(50% - 9px);
	border:2px solid rgba(255,255,255,.55);border-top-color:#fff;border-radius:50%;
	animation:pm-spin .6s linear infinite;
}
@keyframes pm-spin{to{transform:rotate(360deg)}}

/* Link "xem thêm" kiểu mũi tên */
.pm-link-more{display:inline-flex;align-items:center;gap:6px;color:var(--pm-brand-deep);font-weight:700;font-size:14px;text-decoration:none}
.pm-link-more .pm-icon{transition:transform .16s ease}
.pm-link-more:hover{color:var(--pm-brand-dark)}
.pm-link-more:hover .pm-icon{transform:translateX(3px)}

/* ============================================================= *
 *  2. TIÊU ĐỀ KHỐI — .pm-h2wrap (eyebrow + tiêu đề + gạch cam + lead)
 * ============================================================= */
.pm-h2wrap{margin:0 0 34px;text-align:center;max-width:760px;margin-inline:auto}
.pm-h2wrap__eyebrow{
	display:inline-block;margin:0 0 8px;font-size:var(--pm-small);font-weight:700;
	letter-spacing:.12em;text-transform:uppercase;color:var(--pm-accent-ink); /* cam-đậm = 4,83:1 trên trắng (cam tươi #f0932b chỉ 2,36:1) */
}
.pm-h2wrap>:where(h1,h2,h3){margin:0;color:var(--pm-brand)}
/* Gạch cam nằm ngay dưới tiêu đề (trước lead) */
.pm-h2wrap>:where(h1,h2,h3)::after{content:"";display:block;width:56px;height:4px;border-radius:2px;background:var(--pm-accent);margin:14px auto 0}
.pm-h2wrap__lead{margin:16px 0 0;font-size:var(--pm-lead);line-height:1.6;color:var(--pm-muted)}

/* Căn trái */
.pm-h2wrap--left{text-align:left;margin-inline:0}
.pm-h2wrap--left>:where(h1,h2,h3)::after{margin-left:0;margin-right:auto}
.pm-h2wrap--left .pm-h2wrap__lead{margin-left:0}

/* Trên nền tối (section--dark / hero) */
.pm-h2wrap--light>:where(h1,h2,h3){color:#fff}
.pm-h2wrap--light .pm-h2wrap__lead{color:rgba(255,255,255,.82)}

/* ============================================================= *
 *  3. CARD — .pm-card (+ lưới .pm-cards)
 * ============================================================= */
.pm-card{
	background:var(--pm-white);border:1px solid var(--pm-line);border-radius:var(--pm-r-md);
	box-shadow:var(--pm-sh-card);overflow:hidden;
	transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pm-card--pad{padding:24px}
.pm-card__media{display:block;position:relative;overflow:hidden;background:var(--pm-surface-2)}
.pm-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.pm-card__body{padding:22px}
.pm-card__title{margin:0 0 8px}
.pm-card__title a{color:var(--pm-brand-dark);text-decoration:none}
.pm-card__title a:hover{color:var(--pm-brand-deep)}
.pm-card__text{margin:0;color:var(--pm-muted)}

/* Ô icon 2 màu (surface-tile) — cấu trúc brand-dark, chấm nhấn cam do SVG tự set */
.pm-card__icon{
	display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;
	border-radius:var(--pm-r-md);background:var(--pm-surface-2);color:var(--pm-brand-deep);margin-bottom:16px;
}
.pm-card__icon .pm-icon{width:30px;height:30px}

/* Card có thể click cả khối (link phủ) */
.pm-card--link:hover,.pm-card--link:focus-within{transform:translateY(-4px);box-shadow:var(--pm-sh-elev);border-color:var(--pm-brand-deep)}
.pm-card--link:hover .pm-card__media img{transform:scale(1.04)}

/* Lưới card responsive (mặc định auto-fit; cố định qua modifier) */
.pm-cards{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.pm-cards--2{grid-template-columns:repeat(2,1fr)}
.pm-cards--3{grid-template-columns:repeat(3,1fr)}
.pm-cards--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.pm-cards--3,.pm-cards--4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.pm-cards--2,.pm-cards--3,.pm-cards--4{grid-template-columns:1fr}}

/* ============================================================= *
 *  4. BADGE & PILL
 * ============================================================= */
.pm-badge{
	display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--pm-r-pill);
	font-size:var(--pm-small);font-weight:700;line-height:1;
	background:var(--pm-surface-2);color:var(--pm-brand-deep);
}
.pm-badge .pm-icon{width:15px;height:15px}
.pm-badge--brand{background:var(--pm-brand);color:#fff}
/* dùng tiết chế · chữ trên nền tint cam .14: ink token #a8600c chỉ 4,31:1 (KHÔNG đạt) → cam-đậm hơn #8a4e08 = 5,2–5,9:1 ✅ */
.pm-badge--accent{background:rgba(240,147,43,.14);color:#8a4e08}
.pm-badge--soft{background:var(--pm-surface);color:var(--pm-muted)}

/* Pill/chip: tag, khu vực, bộ lọc */
.pm-pill{
	display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--pm-r-pill);
	font-size:14px;font-weight:600;line-height:1;text-decoration:none;
	background:var(--pm-surface);color:var(--pm-brand-dark);border:1px solid var(--pm-line);
	transition:background .16s ease,border-color .16s ease,color .16s ease;
}
a.pm-pill:hover,a.pm-pill:focus-visible{background:var(--pm-surface-2);border-color:var(--pm-brand);color:var(--pm-brand-deep)}
.pm-pill.is-active{background:var(--pm-brand);border-color:var(--pm-brand);color:#fff}
.pm-pill--sm{padding:4px 11px;font-size:12.5px;font-weight:700}
.pm-pill-group{display:flex;flex-wrap:wrap;gap:10px}

/* ============================================================= *
 *  5. FIELD — .pm-field (bọc label + control, glow khi focus)
 *  (input/select/textarea cơ sở đã style ở base.css)
 * ============================================================= */
.pm-field{margin:0 0 16px;position:relative}
.pm-field>label,.pm-field__label{display:block;margin-bottom:6px;font-weight:600;color:var(--pm-brand-dark)}
.pm-field__req{color:var(--pm-accent);margin-left:2px}
.pm-field__hint{display:block;margin-top:6px;font-size:var(--pm-small);color:var(--pm-muted)}
.pm-field__error{display:none;margin-top:6px;font-size:var(--pm-small);font-weight:600;color:#ba1a1a}

/* Glow rõ hơn khi focus control bên trong */
.pm-field:focus-within>label,.pm-field:focus-within .pm-field__label{color:var(--pm-brand)}

/* Trạng thái lỗi */
.pm-field.has-error input,.pm-field.has-error select,.pm-field.has-error textarea{
	border-color:#ba1a1a;box-shadow:0 0 0 3px rgba(186,26,26,.12)
}
.pm-field.has-error .pm-field__error{display:block}

/* Input đi kèm icon trái */
.pm-field--icon{position:relative}
.pm-field--icon .pm-icon{position:absolute;left:14px;top:38px;color:var(--pm-muted);pointer-events:none}
.pm-field--icon input{padding-left:42px}

/* Thông báo trạng thái form (nền sáng; footer nền tối override ở header-footer.css) */
.pm-form-msg{margin:.4rem 0 0;font-size:14px;min-height:1.2em;font-weight:600}
.pm-form-msg.is-error{color:#ba1a1a}
.pm-form-msg.is-ok{color:#1f7a43}
.pm-form-msg:empty{margin:0;min-height:0}

/* ============================================================= *
 *  6. TABLE — .pm-table (+ .pm-table-wrap cuộn ngang mobile)
 * ============================================================= */
.pm-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--pm-r-md);border:1px solid var(--pm-line)}
.pm-table{width:100%;border-collapse:collapse;background:var(--pm-white);font-size:15.5px;min-width:520px}
.pm-table caption{text-align:left;padding:12px 16px;color:var(--pm-muted);font-size:var(--pm-small)}
.pm-table th,.pm-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--pm-line);vertical-align:top}
.pm-table thead th{background:var(--pm-brand);color:#fff;font-weight:700;border-bottom:0;white-space:nowrap}
.pm-table tbody tr:nth-child(even){background:var(--pm-surface)}
.pm-table tbody tr:hover{background:var(--pm-surface-2)}
.pm-table td:last-child,.pm-table th:last-child{text-align:right}
.pm-table .pm-table__price{font-weight:700;color:var(--pm-brand-deep);white-space:nowrap}

/* ============================================================= *
 *  7. FAQ — accordion thuần CSS trên <details>/<summary> (không cần JS)
 *      <div class="pm-faq"><details class="pm-faq__item"><summary class="pm-faq__q">…</summary><div class="pm-faq__a">…</div></details></div>
 * ============================================================= */
.pm-faq{display:flex;flex-direction:column;gap:12px}
.pm-faq__item{border:1px solid var(--pm-line);border-radius:var(--pm-r-md);background:var(--pm-white);overflow:hidden}
.pm-faq__item[open]{border-color:var(--pm-brand);box-shadow:var(--pm-sh-card)}
.pm-faq__q{
	display:flex;align-items:center;gap:12px;padding:16px 18px;cursor:pointer;list-style:none;
	font-weight:600;color:var(--pm-brand-dark);
}
.pm-faq__q::-webkit-details-marker{display:none}
.pm-faq__q::after{
	content:"";flex:none;width:.6em;height:.6em;margin-left:auto;
	border-right:2px solid var(--pm-accent);border-bottom:2px solid var(--pm-accent);
	transform:rotate(45deg);transition:transform .2s ease;
}
.pm-faq__item[open] .pm-faq__q::after{transform:rotate(-135deg)}
.pm-faq__q:hover{color:var(--pm-brand-deep)}
.pm-faq__q:focus-visible{outline:3px solid var(--pm-brand-deep);outline-offset:-3px}
.pm-faq__a{padding:0 18px 18px;color:var(--pm-text);line-height:1.7}
.pm-faq__a>:first-child{margin-top:0}
.pm-faq__a>:last-child{margin-bottom:0}

/* ============================================================= *
 *  8. TOC — .pm-toc (mục lục dính + scroll-spy, tô đậm mục đang xem)
 * ============================================================= */
.pm-toc{background:var(--pm-surface);border:1px solid var(--pm-line);border-radius:var(--pm-r-md);padding:18px 20px}
.pm-toc__title{margin:0 0 12px;font-size:var(--pm-small);font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--pm-brand)}
.pm-toc__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.pm-toc__list .pm-toc__list{margin:2px 0 2px 14px}   /* cấp con (h3) */
.pm-toc__link{
	display:block;padding:7px 10px;border-radius:6px;border-left:3px solid transparent;
	color:var(--pm-muted);text-decoration:none;font-size:14.5px;line-height:1.45;
	transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.pm-toc__link:hover{color:var(--pm-brand-deep);background:var(--pm-surface-2)}
.pm-toc__link.is-active{color:var(--pm-brand-deep);font-weight:700;border-left-color:var(--pm-accent);background:var(--pm-surface-2)}

/* Dính khi cuộn (dùng trong sidebar) */
.pm-toc--sticky{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow:auto}
@media(max-width:1024px){.pm-toc--sticky{position:static;max-height:none}}

/* ============================================================= *
 *  9. SECTION — bổ trợ (base.css đã có .pm-section / --alt)
 * ============================================================= */
.pm-section--dark{background:var(--pm-brand-dark);color:#dbe8ef}
.pm-section--dark :where(h1,h2,h3,h4,h5,h6){color:#fff}
.pm-section--tight{padding-block:clamp(28px,4vw,40px)}
.pm-section__head{margin-bottom:clamp(24px,4vw,40px)}

/* ============================================================= *
 *  10. STICKY CTA MOBILE — thanh Gọi/Zalo dính đáy (template-parts/sticky-cta.php)
 * ============================================================= */
.pm-sticky-cta{
	position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;gap:1px;
	background:var(--pm-line);box-shadow:0 -6px 20px rgba(11,58,78,.16);
	padding-bottom:env(safe-area-inset-bottom);
}
.pm-sticky-cta__btn{
	flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;
	padding:14px 8px;font-weight:700;font-size:15px;line-height:1;text-decoration:none;color:#fff;
}
.pm-sticky-cta__btn .pm-icon{width:20px;height:20px;flex:none}
.pm-sticky-cta__btn--call{background:var(--pm-accent)}
.pm-sticky-cta__btn--call:active{background:var(--pm-accent-hover)}
.pm-sticky-cta__btn--zalo{background:var(--pm-zalo)}
.pm-sticky-cta__btn--phone{background:var(--pm-brand)}
.pm-sticky-cta__btn:hover,.pm-sticky-cta__btn:focus-visible{color:#fff;filter:brightness(1.05)}
/* Nút "Gọi ngay" nền cam: chữ navy để đạt WCAG (chữ trắng trên cam chỉ 2,36:1). Zalo/phone nền xanh giữ chữ trắng. */
.pm-sticky-cta__btn--call{color:var(--pm-text)}
.pm-sticky-cta__btn--call:hover,.pm-sticky-cta__btn--call:focus-visible{color:var(--pm-text)}

/* Chỉ hiện trên mobile/tablet; chừa chỗ để không che nội dung cuối trang */
@media(min-width:1080px){.pm-sticky-cta{display:none}}
@media(max-width:1079px){body.pm-has-sticky-cta{padding-bottom:60px}}

/* ============================================================= *
 *  11. POST CARD — item danh sách bài (template-parts/content.php)
 * ============================================================= */
.pm-post-card{display:flex;flex-direction:column;height:100%}
.pm-post-card .pm-post-card__media{aspect-ratio:16/10}
.pm-post-card__body{display:flex;flex-direction:column;flex:1;gap:10px;padding:20px 22px 22px}
.pm-post-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:var(--pm-small);color:var(--pm-muted)}
.pm-post-card__meta .pm-icon{width:14px;height:14px;vertical-align:-2px;margin-right:4px}
.pm-post-card__title{margin:0}
.pm-post-card__title a{color:var(--pm-brand-dark);text-decoration:none}
.pm-post-card__title a:hover{color:var(--pm-brand-deep)}
.pm-post-card__excerpt{margin:0;color:var(--pm-muted);flex:1}
.pm-post-card__more{margin-top:auto;align-self:flex-start}

/* ============================================================= *
 *  12. EMPTY STATE — template-parts/content-none.php
 * ============================================================= */
.pm-none{max-width:620px;margin-inline:auto;text-align:center;padding-block:clamp(24px,5vw,48px)}
.pm-none__title{margin:0 0 12px}
.pm-none__text{color:var(--pm-muted);margin:0 0 22px}
.pm-none .search-form,.pm-none .pm-search-form{display:flex;gap:8px;max-width:420px;margin-inline:auto}
.pm-none .search-form .search-submit{width:auto;flex:none}

/* ============================================================= *
 *  13. GALLERY & LIGHTBOX (lightbox.js sinh overlay runtime)
 * ============================================================= */
.pm-gallery{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.pm-gallery a{display:block;border-radius:var(--pm-r-md);overflow:hidden;background:var(--pm-surface-2)}
.pm-gallery img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.pm-gallery a:hover img{transform:scale(1.05)}
.pm-lb-trigger{cursor:zoom-in}

body.pm-lb-open{overflow:hidden}
.pm-lightbox-overlay{
	position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;
	background:rgba(11,58,78,.92);padding:24px;
}
.pm-lightbox-overlay[hidden]{display:none}
.pm-lb__figure{margin:0;max-width:min(92vw,1100px);max-height:86vh;display:flex;flex-direction:column;align-items:center;gap:12px}
.pm-lb__img{max-width:100%;max-height:78vh;width:auto;height:auto;object-fit:contain;border-radius:var(--pm-r-md);box-shadow:var(--pm-sh-elev);background:#fff}
.pm-lb__cap{color:#e6eff4;font-size:14.5px;text-align:center;max-width:70ch}
.pm-lb__close,.pm-lb__nav{
	position:absolute;display:inline-flex;align-items:center;justify-content:center;
	background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:50%;cursor:pointer;
	transition:background .16s ease,transform .16s ease;
}
.pm-lb__close{top:16px;right:16px;width:44px;height:44px;font-size:26px;line-height:1}
.pm-lb__nav{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:32px;line-height:1}
.pm-lb__prev{left:16px}
.pm-lb__next{right:16px}
.pm-lb__close:hover,.pm-lb__nav:hover{background:var(--pm-accent)}
.pm-lb__nav:hover{transform:translateY(-50%) scale(1.06)}
.pm-lb__close:focus-visible,.pm-lb__nav:focus-visible{outline:3px solid #fff;outline-offset:2px}
.pm-lb__counter{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);color:#cfe0e8;font-size:13.5px;letter-spacing:.04em}
@media(max-width:600px){
	.pm-lb__nav{width:44px;height:44px;font-size:26px}
	.pm-lb__prev{left:6px}.pm-lb__next{right:6px}
	.pm-lightbox-overlay{padding:12px}
}