/* =====================================================================
   TS Firmware Center — giao diện theo nhận diện truongsonsolutions.vn
   Màu: slate #1E293B (chữ) · đỏ gradient #D92525 → #9C1B1B · nền #EFEFEF
   Font: kế thừa SVN-Outfit của theme (biến --font-pri)
   Mọi selector nằm dưới .tsfw để không đụng theme.
   ===================================================================== */
.tsfw {
	--tsfw-ink: #1e293b;
	--tsfw-ink-2: #475569;
	--tsfw-muted: #64748b;
	--tsfw-line: #e2e8f0;
	--tsfw-line-2: #cbd5e1;
	--tsfw-bg: #ffffff;
	--tsfw-soft: #f5f5f5;
	--tsfw-soft-2: #efefef;
	--tsfw-red: #d92525;
	--tsfw-red-dark: #9c1b1b;
	--tsfw-red-text: #b91c1c;
	--tsfw-red-tint: #fdeeee;
	--tsfw-grad: linear-gradient(145deg, #d92525 6.38%, #9c1b1b 93.71%);
	--tsfw-ok: #15803d;
	--tsfw-ok-bg: #dcfce7;
	--tsfw-warn: #a16207;
	--tsfw-warn-bg: #fef3c7;
	--tsfw-bad: #991b1b;
	--tsfw-bad-bg: #fee2e2;
	--tsfw-r-s: 4px;
	--tsfw-r-m: 8px;
	--tsfw-r: 12px;
	--tsfw-r-l: 16px;
	--tsfw-shadow: 0 4px 24px rgba(15, 23, 42, .08);
	--tsfw-font: var(--font-pri, "SVN-Outfit", "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif);
	--tsfw-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
	color: var(--tsfw-ink);
	font-family: var(--tsfw-font);
	font-size: 16px;
	line-height: 1.6;
	max-width: 1248px; /* = --container-width của theme */
	margin: 0 auto;
	box-sizing: border-box;
}
.tsfw *, .tsfw *::before, .tsfw *::after { box-sizing: border-box; }
.tsfw a { color: var(--tsfw-red-text); }
.tsfw h2, .tsfw h3, .tsfw h4, .tsfw p { margin-top: 0; font-family: var(--tsfw-font); }
.tsfw .tsfw-ico { flex-shrink: 0; vertical-align: -3px; }
.tsfw :focus-visible { outline: 3px solid rgba(217, 37, 37, .35); outline-offset: 2px; }

/* ---------- Typo helpers ---------- */
.tsfw-kicker {
	display: inline-flex; align-items: center; gap: 6px;
	font-size: 13px; font-weight: 600; letter-spacing: .02em;
	color: var(--tsfw-red-text); margin-bottom: 8px;
}
.tsfw-h2 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.25; font-weight: 700; color: var(--tsfw-ink); margin-bottom: 10px; }
.tsfw-dot { color: var(--tsfw-red); }
.tsfw-section-head { margin-bottom: 20px; max-width: 860px; }
.tsfw-section-lead { color: var(--tsfw-ink-2); margin-bottom: 0; }
.tsfw-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; text-decoration: none; color: var(--tsfw-red-text) !important; }
.tsfw-link:hover { text-decoration: underline; }

/* ---------- Hero ---------- */
.tsfw-hero {
	position: relative; overflow: hidden;
	background: linear-gradient(120deg, #ffffff 0%, #f6f7f9 55%, #eceff3 100%);
	border: 1px solid var(--tsfw-line);
	border-radius: var(--tsfw-r-l);
	padding: 40px 40px 28px;
	margin-bottom: 24px;
	box-shadow: var(--tsfw-shadow);
}
.tsfw-hero::before { /* dải đỏ nhận diện */
	content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--tsfw-grad);
}
.tsfw-hero::after { /* họa tiết ô vuông từ logo */
	content: ""; position: absolute; right: 28px; top: 28px; width: 44px; height: 44px;
	background:
		linear-gradient(#d92525, #d92525) 0 0 / 20px 20px no-repeat,
		linear-gradient(#1e293b, #1e293b) 24px 0 / 20px 20px no-repeat,
		linear-gradient(#1e293b, #1e293b) 0 24px / 20px 20px no-repeat,
		linear-gradient(#94a3b8, #94a3b8) 24px 24px / 20px 20px no-repeat;
	border-radius: 4px; opacity: .9;
}
.tsfw-hero__text { max-width: 820px; position: relative; z-index: 1; }
.tsfw-eyebrow {
	display: inline-flex; align-items: center; gap: 8px;
	border: 1px solid #f3b4b4; background: #fff; color: var(--tsfw-red-text);
	border-radius: 999px; padding: 6px 14px; font-size: 14px; font-weight: 600; margin-bottom: 14px;
}
.tsfw-h1 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.15; margin-bottom: 12px; color: var(--tsfw-ink); font-weight: 700; }
.tsfw-lead { color: var(--tsfw-ink-2); font-size: 17px; margin-bottom: 22px; }
.tsfw-lead strong { color: var(--tsfw-ink); }
.tsfw-hint { color: var(--tsfw-muted); font-size: 13px; margin: 12px 0 0; }


/* ---------- Search ---------- */
.tsfw-search {
	display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; position: relative; z-index: 1;
	background: #fff; border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r); padding: 16px;
	box-shadow: 0 2px 10px rgba(15, 23, 42, .05);
}
.tsfw-field { display: flex; flex-direction: column; gap: 6px; min-width: 170px; }
.tsfw-field--grow { flex: 1 1 300px; }
.tsfw-field label { font-size: 14px; font-weight: 600; color: var(--tsfw-ink); }
.tsfw input[type="text"], .tsfw input[type="search"], .tsfw input[type="email"], .tsfw input[type="tel"], .tsfw input:not([type]), .tsfw select {
	width: 100%; min-height: 48px; padding: 10px 14px; font-size: 16px;
	border: 1px solid var(--tsfw-line-2); border-radius: var(--tsfw-r-m); background: #fff; color: var(--tsfw-ink);
	font-family: var(--tsfw-font); box-shadow: none; transition: border-color .15s, box-shadow .15s;
}
.tsfw input:focus, .tsfw select:focus { outline: none; border-color: var(--tsfw-red); box-shadow: 0 0 0 3px rgba(217, 37, 37, .15); }
.tsfw-inputicon { position: relative; }
.tsfw-inputicon .tsfw-ico { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--tsfw-muted); pointer-events: none; }
.tsfw .tsfw-inputicon input { padding-left: 44px; font-family: var(--tsfw-mono); letter-spacing: .02em; }

/* ---------- Buttons ---------- */
.tsfw-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	min-height: 48px; padding: 10px 22px; border-radius: var(--tsfw-r-s); border: 1px solid transparent;
	font-weight: 700; font-size: 15px; line-height: 1.2; text-decoration: none !important; cursor: pointer;
	font-family: var(--tsfw-font); transition: filter .15s, background-color .15s, border-color .15s, color .15s, transform .05s;
}
.tsfw-btn:active { transform: translateY(1px); }
.tsfw-btn--primary { background: var(--tsfw-grad); color: #fff !important; box-shadow: 0 4px 14px rgba(185, 28, 28, .25); }
.tsfw-btn--primary:hover { filter: brightness(1.07); }
.tsfw-btn--dark { background: var(--tsfw-ink); color: #fff !important; }
.tsfw-btn--dark:hover { background: #0f172a; }
.tsfw-btn--ghost { background: #fff; color: var(--tsfw-ink) !important; border-color: var(--tsfw-line-2); }
.tsfw-btn--ghost:hover { border-color: var(--tsfw-red); color: var(--tsfw-red-text) !important; }
.tsfw-btn--light { background: #fff; color: var(--tsfw-red-dark) !important; }
.tsfw-btn--block { width: 100%; font-size: 16px; min-height: 54px; }
.tsfw-btn[disabled] { opacity: .7; cursor: progress; }

/* ---------- Layout ---------- */
.tsfw-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: start; margin-bottom: 40px; }
.tsfw-aside { display: flex; flex-direction: column; gap: 16px; }
.tsfw-count { color: var(--tsfw-ink-2); font-size: 15px; margin-bottom: 14px; }

/* ---------- Panels ---------- */
.tsfw-panel { background: var(--tsfw-bg); border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r); padding: 22px; }
.tsfw-panel h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.tsfw-panel h4 { font-size: 13px; margin: 16px 0 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--tsfw-muted); }
.tsfw-panel p { font-size: 15px; color: var(--tsfw-ink-2); }
.tsfw-panel p:last-child { margin-bottom: 0; }
.tsfw-panel--accent { background: var(--tsfw-grad); border: 0; color: #fff; position: relative; }
.tsfw-panel--accent h3, .tsfw-panel--accent p { color: #fff; }
.tsfw-panel__icon { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: var(--tsfw-r-m); background: rgba(255, 255, 255, .16); margin-bottom: 12px; }
.tsfw-panel--muted { background: var(--tsfw-soft); }
.tsfw-policy { border-top: 4px solid var(--tsfw-red); }

.tsfw-dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 15px; margin: 0; }
.tsfw-dl dt { color: var(--tsfw-muted); }
.tsfw-dl dd { margin: 0; font-weight: 600; word-break: break-all; }

.tsfw-timeline { list-style: none; margin: 0 0 12px; padding: 0 0 0 18px; border-left: 2px solid #f3c1c1; }
.tsfw-timeline li { position: relative; padding: 0 0 12px 8px; font-size: 14px; }
.tsfw-timeline li::before { content: ""; position: absolute; left: -26px; top: 6px; width: 12px; height: 12px; border-radius: 3px; background: var(--tsfw-red); box-shadow: 0 0 0 3px #fff; }
.tsfw-timeline strong { display: block; color: var(--tsfw-ink); }
.tsfw-timeline span { color: var(--tsfw-ink-2); }

.tsfw-steps, .tsfw-list { margin: 0; padding-left: 20px; font-size: 15px; color: var(--tsfw-ink-2); }
.tsfw-steps li, .tsfw-list li { margin-bottom: 6px; }
.tsfw-steps li::marker { color: var(--tsfw-red); font-weight: 700; }
.tsfw-list li::marker { color: var(--tsfw-red); }
.tsfw-legend { list-style: none; margin: 0; padding: 0; font-size: 14px; color: var(--tsfw-ink-2); }
.tsfw-legend li { margin-bottom: 10px; }
.tsfw-legend .tsfw-badge { margin-right: 6px; }

/* ---------- Brands ---------- */
.tsfw-brands { margin-bottom: 28px; }
.tsfw-brandgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.tsfw-brandcard {
	display: flex; gap: 18px; align-items: stretch; text-decoration: none !important; color: inherit !important;
	background: #fff; border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r); padding: 16px;
	transition: border-color .15s, box-shadow .15s, transform .15s;
}
a.tsfw-brandcard:hover { border-color: #f3b4b4; box-shadow: var(--tsfw-shadow); transform: translateY(-1px); }
.tsfw-brandcard.is-active { border-color: var(--tsfw-red); box-shadow: 0 0 0 3px rgba(217, 37, 37, .12); }
.tsfw-brandcard__logo { flex: 0 0 132px; display: flex; align-items: center; justify-content: center; background: var(--tsfw-soft); border-radius: var(--tsfw-r-m); padding: 12px; min-height: 84px; }
.tsfw-brandlogo { max-width: 100%; max-height: 44px; width: auto; height: auto; display: block; object-fit: contain; }
.tsfw-brandlogo--text, .tsfw-brandmark--text, .tsfw-minilogo--text { font-weight: 800; letter-spacing: .04em; color: var(--tsfw-ink); font-size: 18px; }
.tsfw-brandcard__body { min-width: 0; display: flex; flex-direction: column; }
.tsfw-brandcard__name { font-weight: 700; font-size: 18px; margin-bottom: 4px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.tsfw-brandcard__origin { font-size: 12px; font-weight: 600; color: var(--tsfw-ink-2); background: var(--tsfw-soft-2); border-radius: 999px; padding: 2px 10px; }
.tsfw-brandcard__desc { font-size: 14px; color: var(--tsfw-ink-2); margin-bottom: 8px; }
.tsfw-brandcard__cta { margin-top: auto; display: inline-flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 700; color: var(--tsfw-red-text); }

/* ---------- Model card ---------- */
.tsfw-card { background: var(--tsfw-bg); border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r); padding: 24px; margin-bottom: 18px; box-shadow: 0 1px 2px rgba(15, 23, 42, .04); scroll-margin-top: 110px; }
.tsfw-card:target { border-color: var(--tsfw-red); box-shadow: 0 0 0 3px rgba(217, 37, 37, .15); }
.tsfw-card__head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 14px; }
.tsfw-card__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; min-height: 28px; }
.tsfw-brandmark { max-height: 24px; max-width: 120px; width: auto; display: block; }
.tsfw-brandmark--text { font-size: 14px; }
.tsfw-meta { font-size: 13px; font-weight: 600; color: var(--tsfw-muted); padding-left: 12px; border-left: 1px solid var(--tsfw-line-2); }
.tsfw-code { font-family: var(--tsfw-mono); font-size: 22px; margin: 0 0 2px; letter-spacing: .01em; word-break: break-all; color: var(--tsfw-ink); }
.tsfw-name { color: var(--tsfw-ink-2); margin: 0; font-size: 15px; }
.tsfw-support { text-align: right; flex-shrink: 0; }
.tsfw-support__date { font-size: 13px; color: var(--tsfw-muted); margin: 8px 0 0; line-height: 1.4; }
.tsfw-support__date strong { color: var(--tsfw-ink); font-size: 17px; }
.tsfw-note { font-size: 14px; color: var(--tsfw-ink-2); background: var(--tsfw-soft); border-radius: var(--tsfw-r-m); padding: 8px 12px; }

.tsfw-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.tsfw-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.tsfw-badge--active { background: var(--tsfw-ok-bg); color: var(--tsfw-ok); }
.tsfw-badge--ending { background: var(--tsfw-warn-bg); color: var(--tsfw-warn); }
.tsfw-badge--ended { background: var(--tsfw-bad-bg); color: var(--tsfw-bad); }
.tsfw-badge--unknown { background: #f1f5f9; color: var(--tsfw-ink-2); }

.tsfw-release { border-top: 1px dashed var(--tsfw-line-2); padding-top: 16px; }
.tsfw-release--none p { color: var(--tsfw-ink-2); }
.tsfw-release__top { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.tsfw-label { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--tsfw-muted); font-weight: 700; margin-bottom: 2px; }
.tsfw-version { font-family: var(--tsfw-mono); font-size: 20px; font-weight: 700; margin-bottom: 2px; }
.tsfw-sub { font-size: 13px; color: var(--tsfw-muted); margin-bottom: 0; }
.tsfw-tags { display: flex; flex-wrap: wrap; gap: 6px; align-content: flex-start; }
.tsfw-pill { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: var(--tsfw-r-s); font-size: 13px; font-weight: 600; background: #f1f5f9; color: var(--tsfw-ink-2); }
.tsfw-pill--security { background: var(--tsfw-red-tint); color: var(--tsfw-red-text); }
.tsfw-pill--feature { background: #e0e7ff; color: #3730a3; }
.tsfw-pill--bugfix { background: #f1f5f9; color: #334155; }
.tsfw-pill--sev-critical { background: var(--tsfw-red-dark); color: #fff; }
.tsfw-pill--sev-high { background: #fecaca; color: #7f1d1d; }
.tsfw-pill--sev-medium { background: var(--tsfw-warn-bg); color: var(--tsfw-warn); }
.tsfw-pill--sev-low { background: #f1f5f9; color: #334155; }
.tsfw-pill--signed { background: var(--tsfw-ok-bg); color: var(--tsfw-ok); }

.tsfw-risk { font-size: 15px; background: #fff7ed; border-left: 3px solid #ea8a2e; padding: 10px 14px; border-radius: 0 var(--tsfw-r-m) var(--tsfw-r-m) 0; }
.tsfw-cves { display: flex; align-items: center; gap: 6px; font-family: var(--tsfw-mono); font-size: 13px; color: var(--tsfw-ink-2); }

.tsfw-hash { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: var(--tsfw-soft); border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r-m); padding: 10px 12px; margin-bottom: 14px; }
.tsfw-hash .tsfw-label { margin: 0; }
.tsfw-hash__val { flex: 1 1 260px; font-family: var(--tsfw-mono); font-size: 13px; word-break: break-all; background: none; padding: 0; color: var(--tsfw-ink); }
.tsfw-copy { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--tsfw-line-2); background: #fff; color: var(--tsfw-ink); border-radius: var(--tsfw-r-s); padding: 6px 12px; font-size: 13px; font-weight: 600; cursor: pointer; min-height: 36px; font-family: var(--tsfw-font); }
.tsfw-copy:hover { border-color: var(--tsfw-red); color: var(--tsfw-red-text); }
.tsfw-copy.is-done { color: var(--tsfw-ok); border-color: #86efac; }

.tsfw-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }

.tsfw-details { border-top: 1px solid var(--tsfw-line); padding: 12px 0 0; margin-top: 12px; }
.tsfw-details summary { cursor: pointer; font-weight: 700; font-size: 15px; color: var(--tsfw-ink); list-style: none; display: flex; align-items: center; gap: 8px; min-height: 32px; }
.tsfw-details summary::-webkit-details-marker { display: none; }
.tsfw-details summary::before { content: ""; width: 8px; height: 8px; border-right: 2px solid var(--tsfw-red); border-bottom: 2px solid var(--tsfw-red); transform: rotate(-45deg); transition: transform .2s; margin-right: 4px; }
.tsfw-details[open] summary::before { transform: rotate(45deg); }
.tsfw-notes { font-size: 15px; color: var(--tsfw-ink-2); padding-top: 8px; }
.tsfw-notes ul { padding-left: 20px; }
.tsfw-labelhint { display: flex; align-items: center; gap: 6px; margin-top: 12px; }

.tsfw-table-wrap { overflow-x: auto; margin: 10px 0; }
.tsfw-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.tsfw-table th, .tsfw-table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--tsfw-line); }
.tsfw-table th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--tsfw-muted); }
.tsfw-table code { font-family: var(--tsfw-mono); font-size: 12px; background: none; }

.tsfw-empty { border: 1px dashed var(--tsfw-line-2); border-radius: var(--tsfw-r); padding: 28px; text-align: center; background: var(--tsfw-soft); }
.tsfw-pages { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.tsfw-pages a, .tsfw-pages span { min-width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r-s); text-decoration: none; color: var(--tsfw-ink); }
.tsfw-pages span { background: var(--tsfw-grad); color: #fff; border-color: transparent; }

/* ---------- Liên kết sản phẩm WooCommerce ---------- */
.tsfw-product { display: flex; align-items: center; gap: 12px; padding: 10px 12px; margin-bottom: 14px; border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r-m); background: #fff; text-decoration: none !important; color: var(--tsfw-ink) !important; transition: border-color .15s, box-shadow .15s; }
.tsfw-product:hover { border-color: #f3b4b4; box-shadow: var(--tsfw-shadow); }
.tsfw-product__img { flex: 0 0 56px; width: 56px; height: 56px; border-radius: var(--tsfw-r-m); object-fit: contain; background: var(--tsfw-soft); }
.tsfw-product__img--none { display: inline-flex; align-items: center; justify-content: center; color: var(--tsfw-muted); }
.tsfw-product__body { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.tsfw-product__label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--tsfw-muted); }
.tsfw-product__name { font-size: 15px; font-weight: 600; line-height: 1.35; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.tsfw-product__cta { flex-shrink: 0; display: inline-flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 700; color: var(--tsfw-red-text); }

/* Khối trên trang chi tiết sản phẩm */
.tsfw-pbox { margin: 18px 0; padding: 16px 18px; border: 1px solid var(--tsfw-line); border-left: 4px solid var(--tsfw-red); border-radius: var(--tsfw-r-m); background: var(--tsfw-soft); max-width: none; }
.tsfw-pbox__title { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; margin: 0 0 10px; color: var(--tsfw-ink); }
.tsfw-pbox__title .tsfw-ico { color: var(--tsfw-red); }
.tsfw-pbox__dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px 16px; margin: 0 0 12px; }
.tsfw-pbox__dl dt { font-size: 12px; color: var(--tsfw-muted); margin: 0; }
.tsfw-pbox__dl dd { margin: 0; font-weight: 700; font-size: 15px; display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.tsfw-pbox__links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0; }
.tsfw-pbox__links a { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--tsfw-red-text) !important; text-decoration: none; }
.tsfw-pbox__links a:hover { text-decoration: underline; }

/* ---------- Tính năng của trang & QCVN 11 ---------- */
.tsfw-features { background: var(--tsfw-soft); border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r-l); padding: 26px 28px; margin-bottom: 28px; }
.tsfw-features .tsfw-h2 { font-size: clamp(20px, 2.2vw, 24px); margin-bottom: 16px; }
.tsfw-feats { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.tsfw-feat { display: flex; gap: 12px; align-items: flex-start; background: #fff; border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r); padding: 14px; font-size: 14px; color: var(--tsfw-ink-2); line-height: 1.5; }
.tsfw-feat strong { display: block; color: var(--tsfw-ink); font-size: 15px; margin-bottom: 2px; }
.tsfw-feat__icon { flex: 0 0 40px; height: 40px; border-radius: var(--tsfw-r-m); display: inline-flex; align-items: center; justify-content: center; background: var(--tsfw-grad); color: #fff; }
.tsfw-qnote { display: flex; gap: 10px; align-items: flex-start; margin: 0; padding: 12px 14px; background: #fff; border-left: 4px solid var(--tsfw-red); border-radius: 0 var(--tsfw-r-m) var(--tsfw-r-m) 0; font-size: 15px; font-weight: 500; color: var(--tsfw-ink); }
.tsfw-qnote .tsfw-ico { color: var(--tsfw-red); margin-top: 2px; }

/* ---------- Subscribe form ---------- */
.tsfw-form { background: var(--tsfw-bg); border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r); padding: 28px; box-shadow: var(--tsfw-shadow); }
.tsfw-fieldset { border: 0; padding: 0; margin: 0 0 26px; min-width: 0; }
.tsfw-fieldset legend { font-size: 18px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; padding: 0; color: var(--tsfw-ink); }
.tsfw-step { display: inline-flex; width: 30px; height: 30px; border-radius: var(--tsfw-r-s); background: var(--tsfw-grad); color: #fff; font-size: 15px; align-items: center; justify-content: center; }
.tsfw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tsfw-req { color: var(--tsfw-red); }

.tsfw-check { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: var(--tsfw-r-m); cursor: pointer; font-size: 15px; }
.tsfw-check:hover { background: var(--tsfw-soft); }
/* Checkbox tự vẽ: theme đặt "input { appearance: none }" + padding/height cho "form input" nên phải ghi đè */
.tsfw input[type="checkbox"] {
	-webkit-appearance: none !important; appearance: none !important;
	width: 22px !important; height: 22px !important; min-width: 22px !important; min-height: 22px !important; max-width: 22px !important;
	padding: 0 !important; margin: 1px 0 0 !important; flex: 0 0 22px !important;
	border: 2px solid var(--tsfw-line-2) !important; border-radius: var(--tsfw-r-s) !important;
	background: #fff center / 16px 16px no-repeat !important; box-shadow: none !important;
	display: inline-block !important; position: relative; cursor: pointer; vertical-align: top;
	transition: background-color .15s, border-color .15s !important;
}
.tsfw input[type="checkbox"]:hover { border-color: var(--tsfw-red) !important; }
.tsfw input[type="checkbox"]:focus-visible { outline: 3px solid rgba(217, 37, 37, .3) !important; outline-offset: 2px; }
.tsfw input[type="checkbox"]:checked {
	background-color: var(--tsfw-red) !important; border-color: var(--tsfw-red) !important;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") !important;
}
.tsfw input[type="checkbox"]:disabled { cursor: not-allowed; opacity: .55; }
.tsfw input[type="checkbox"]:disabled:checked { background-color: var(--tsfw-muted) !important; border-color: var(--tsfw-muted) !important; }
.tsfw input[type="checkbox"]::before, .tsfw input[type="checkbox"]::after { display: none !important; content: none !important; }
.tsfw-check code { font-family: var(--tsfw-mono); font-size: 14px; background: none; padding: 0; color: var(--tsfw-ink); font-weight: 700; }
.tsfw-check small { color: var(--tsfw-muted); display: block; font-size: 13px; }
.tsfw-check--all { border: 1px solid #f3b4b4; background: var(--tsfw-red-tint); margin-bottom: 12px; }
.tsfw-filter { margin-bottom: 8px; }
.tsfw-models { border: 1px solid var(--tsfw-line); border-radius: var(--tsfw-r-m); max-height: 360px; overflow-y: auto; padding: 6px; }
.tsfw-models.is-disabled { opacity: .45; pointer-events: none; }
.tsfw-models__group { display: grid; grid-template-columns: 1fr 1fr; gap: 0 8px; }
.tsfw-models__brand { grid-column: 1 / -1; margin: 10px 12px 2px; padding-bottom: 6px; border-bottom: 1px solid var(--tsfw-line); }
.tsfw-minilogo { max-height: 20px; width: auto; display: block; }
.tsfw-minilogo--text { font-size: 13px; }
.tsfw-consent { background: var(--tsfw-soft); border-radius: var(--tsfw-r-m); padding: 6px; margin-bottom: 18px; font-size: 14px; }
.tsfw-consent .tsfw-check { font-size: 14px; color: var(--tsfw-ink-2); }
.tsfw-consent .tsfw-check:hover { background: transparent; }
.tsfw-center { text-align: center; margin-top: 10px; }
.tsfw-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.tsfw-brandlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.tsfw-brandlist li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--tsfw-ink-2); }
.tsfw-brandlist__logo { flex: 0 0 96px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--tsfw-soft); border-radius: var(--tsfw-r-m); padding: 8px; }
.tsfw-brandlist .tsfw-brandlogo { max-height: 30px; }
.tsfw-brandlist .tsfw-brandlogo--text { font-size: 14px; }

.tsfw-alert { border-radius: var(--tsfw-r-m); padding: 16px 18px; margin-bottom: 24px; font-size: 15px; }
.tsfw-alert--ok { background: var(--tsfw-ok-bg); color: #14532d; border: 1px solid #86efac; }
.tsfw-alert--err { background: var(--tsfw-bad-bg); color: #7f1d1d; border: 1px solid #fca5a5; }
.tsfw-field.is-invalid input, .tsfw-check.is-invalid input { border-color: var(--tsfw-red); outline: 2px solid rgba(217, 37, 37, .3); }
.tsfw-errmsg { color: var(--tsfw-red-text); font-size: 13px; margin: 4px 0 0; flex-basis: 100%; }

/* ---------- Responsive (mobile-first usage) ---------- */
@media (max-width: 1024px) {
	.tsfw-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
	.tsfw-hero { padding: 26px 18px 20px 22px; border-radius: var(--tsfw-r); }
	.tsfw-hero::after { display: none; }
	.tsfw-search { padding: 12px; }
	.tsfw-features { padding: 20px 16px; border-radius: var(--tsfw-r); }
	.tsfw-product { flex-wrap: wrap; }
	.tsfw-product__cta { flex-basis: 100%; padding-left: 68px; }
	.tsfw-search .tsfw-field, .tsfw-search .tsfw-btn { flex: 1 1 100%; }
	.tsfw-brandcard { flex-direction: column; }
	.tsfw-brandcard__logo { flex-basis: auto; }
	.tsfw-card { padding: 16px; }
	.tsfw-card__head { flex-direction: column; }
	.tsfw-support { text-align: left; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
	.tsfw-support__date { margin: 0; }
	.tsfw-support__date br { display: none; }
	.tsfw-code { font-size: 19px; }
	.tsfw-actions .tsfw-btn { flex: 1 1 100%; }
	.tsfw-grid, .tsfw-models__group { grid-template-columns: 1fr; }
	.tsfw-form { padding: 18px; }
	.tsfw-table thead { display: none; }
	.tsfw-table tr { display: block; border-bottom: 1px solid var(--tsfw-line); padding: 6px 0; }
	.tsfw-table td { display: flex; justify-content: space-between; border: 0; padding: 4px 0; }
	.tsfw-table td::before { content: attr(data-th); color: var(--tsfw-muted); font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) { .tsfw * { transition: none !important; } }