/* ==========================================================================
   Mùa đông Thủ Đô — style.css
   Tokens + base + component dùng chung (trang chủ và trang trong).
   Khu vực: 1 Tokens · 2 Base · 3 Layout · 4 Nút/Chip · 5 Header · 6 Hero · 7 Section
            8 Card/Grid · 9 Ảnh/Lightbox/Video · 10 Radio · 11 Thời tiết · 12 Form
            13 Footer/Dock/Cookie · 14 Chuyển động
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
	--c-bg: #FFFFFF;
	--c-tint: #F4F7FA;
	--c-tint2: #EAF0F6;
	--c-line: #DCE5EE;
	--c-text: #14212E;
	--c-muted: #52657A;
	--c-primary: #2F6FA7;
	--c-primary-deep: #1E4E7C;
	--c-midnight: #0F2F4F;
	--c-primary-soft: #CFE8F7;
	--c-mist: #8EC5E8;
	--c-link: #1E4E7C;
	--c-amber: #F0A53A;
	--c-amber-deep: #C97A12;
	--c-on-amber: #14212E;
	--c-danger: #B3261E;
	--c-ok: #1B7A4B;
	--c-card: #FFFFFF;
	--c-glass: rgba(255, 255, 255, .62);
	--c-glass-line: rgba(255, 255, 255, .7);
	--c-hl: rgba(142, 197, 232, .55);
	--c-cloud: #FFFFFF;
	--c-img-dim: 1;
	--g-brand: linear-gradient(135deg, #2F6FA7 0%, #1E4E7C 100%);
	--g-frost: linear-gradient(135deg, #8EC5E8, #2F6FA7 55%, #1E4E7C);
	--g-dawn: linear-gradient(160deg, #F4F7FA 0%, #CFE8F7 55%, #EAF0F6 100%);
	--g-night: linear-gradient(160deg, #0F2F4F 0%, #1E4E7C 100%);
	--r-sm: 12px;
	--r-md: 20px;
	--r-lg: 32px;
	--r-pill: 999px;
	--sh-1: 0 1px 2px rgba(15, 47, 79, .06), 0 4px 12px rgba(15, 47, 79, .06);
	--sh-2: 0 2px 6px rgba(15, 47, 79, .08), 0 14px 32px rgba(15, 47, 79, .12);
	--sh-3: 0 6px 16px rgba(15, 47, 79, .10), 0 28px 60px rgba(15, 47, 79, .18);
	--ease: cubic-bezier(.22, .8, .3, 1);
	--header-h: 72px;
	--dock-h: 0px;
	--gutter: 20px;
	--maxw: 1200px;
	--f-serif: 'Playfair Display', 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
	--f-sans: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	--f-script: 'Great Vibes', 'Segoe Script', cursive;
	/* Minh hoạ SVG */
	--art-sky: #CFE8F7;
	--art-sky2: #EAF0F6;
	--art-mist: #FFFFFF;
	--art-far: #8EC5E8;
	--art-mid: #2F6FA7;
	--art-near: #1E4E7C;
	--art-deep: #0F2F4F;
	--art-lamp: #F0A53A;
	--art-lamp2: #FFD58A;
	--logo-bg: #1E4E7C;
	--logo-fg: #FFFFFF;
	--logo-lamp: #F0A53A;
	color-scheme: light;
}

@media (min-width: 680px) { :root { --gutter: 28px; } }
@media (max-width: 959px) { body.mdtd-has-dock { --dock-h: 64px; } }
@media (min-width: 960px) { :root { --header-h: 80px; } }

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
	margin: 0;
	background: var(--c-bg);
	color: var(--c-text);
	font-family: var(--f-sans);
	font-size: 1rem;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
	padding-bottom: calc(var(--dock-h) + env(safe-area-inset-bottom));
}
img, svg, video, canvas, iframe { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--c-link); text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color .2s var(--ease); }
a:hover { color: var(--c-primary); }
h1, h2, h3, h4 { font-family: var(--f-serif); font-weight: 600; line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .5em; color: var(--c-text); text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 1.5rem + 3vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 1.25rem + 1.6vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 1.05rem + .5vw, 1.45rem); }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
em {
	font-style: italic;
	background: linear-gradient(transparent 62%, var(--c-hl) 62%);
	border-radius: .3em;
	padding: 0 .14em;
	-webkit-box-decoration-break: clone;
	box-decoration-break: clone;
}
mark { background: var(--c-hl); color: inherit; border-radius: 4px; padding: 0 .12em; }
hr { border: 0; border-top: 1px solid var(--c-line); margin: 2rem 0; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--c-primary); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--c-mist); color: #0F2F4F; }
.screen-reader-text {
	position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
	clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}
.mdtd-skip { position: fixed; left: 12px; top: -80px; z-index: 1000; background: var(--c-primary-deep); color: #fff; padding: .7em 1.1em; border-radius: var(--r-sm); transition: top .2s var(--ease); }
.mdtd-skip:focus { top: 12px; color: #fff; }
.mdtd-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
[hidden] { display: none !important; }
.mdtd-i { flex: none; vertical-align: middle; }
.mdtd-i--fill { fill: currentColor; stroke: none; }

/* ---------- 3. Layout ---------- */
.mdtd-container { width: 100%; max-width: calc(var(--maxw) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.mdtd-container--narrow { max-width: calc(780px + var(--gutter) * 2); }
.mdtd-container--medium { max-width: calc(960px + var(--gutter) * 2); }
.mdtd-container--auth { max-width: calc(520px + var(--gutter) * 2); }
.mdtd-main { min-height: 50vh; outline: none; }
.mdtd-pad { padding-block: clamp(32px, 5vw, 64px); }
.mdtd-pad-top { padding-top: clamp(24px, 4vw, 48px); }
.mdtd-section { position: relative; padding-block: clamp(56px, 8vw, 104px); background: var(--c-bg); overflow: hidden; }
.mdtd-section--tint { background: var(--c-tint); }
.mdtd-section__head { max-width: 720px; margin: 0 auto clamp(28px, 4vw, 48px); text-align: center; }
.mdtd-section__title { margin-bottom: .35em; }
.mdtd-section__desc { color: var(--c-muted); font-size: 1.05rem; margin: 0 auto; }
.mdtd-section__more { text-align: center; margin: clamp(24px, 4vw, 40px) 0 0; }
.mdtd-section-title { font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem); margin: 0 0 1rem; }
.mdtd-section--deep, .mdtd-section--night, .mdtd-section--gradient, .mdtd-section--cta { color: #E8F0F7; }
.mdtd-section--deep h2, .mdtd-section--night h2, .mdtd-section--gradient h2, .mdtd-section--cta h2,
.mdtd-section--deep h3, .mdtd-section--night h3 { color: #fff; }
.mdtd-section--deep .mdtd-section__desc, .mdtd-section--night .mdtd-section__desc,
.mdtd-section--gradient .mdtd-section__desc, .mdtd-section--cta .mdtd-section__desc { color: #C9DAEA; }
.mdtd-section--deep { background: var(--g-night); }
.mdtd-section--night { background: #0F2F4F; background-image: radial-gradient(900px 400px at 85% 0%, rgba(240, 165, 58, .16), transparent 70%), var(--g-night); }
.mdtd-section--gradient { background: var(--g-frost); }
.mdtd-section--cta { background: var(--g-night); text-align: center; }
.mdtd-section--memory { background: var(--g-dawn); }

/* ---------- 4. Nút, chip, pill, badge ---------- */
.mdtd-eyebrow {
	display: inline-flex; align-items: center; gap: .5em; margin: 0 0 1rem;
	padding: .38em 1em; border-radius: var(--r-pill);
	background: var(--c-primary-soft); color: var(--c-midnight);
	font-size: .78rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
}
.mdtd-eyebrow--amber { background: rgba(240, 165, 58, .2); color: #FFD58A; }
.mdtd-eyebrow--light { background: rgba(255, 255, 255, .2); color: #fff; }
.mdtd-btn {
	position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .55em;
	min-height: 48px; padding: .75em 1.6em; border: 0; border-radius: var(--r-pill);
	background: var(--g-brand); color: #fff; font-weight: 600; font-size: 1rem; line-height: 1.2;
	text-decoration: none; cursor: pointer; overflow: hidden; isolation: isolate;
	box-shadow: 0 6px 18px rgba(30, 78, 124, .28);
	transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s;
}
.mdtd-btn::after {
	content: ''; position: absolute; inset: 0; z-index: -1; transform: translateX(-120%);
	background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .28) 50%, transparent 70%);
	transition: transform .7s var(--ease);
}
.mdtd-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(30, 78, 124, .34); }
.mdtd-btn:hover::after { transform: translateX(120%); }
.mdtd-btn:active { transform: translateY(0) scale(.98); }
.mdtd-btn[disabled], .mdtd-btn.is-loading { opacity: .7; pointer-events: none; }
.mdtd-btn--sm { min-height: 40px; padding: .5em 1.15em; font-size: .92rem; }
.mdtd-btn--lg { min-height: 54px; padding: .85em 1.9em; font-size: 1.05rem; }
.mdtd-btn--block { display: flex; width: 100%; }
.mdtd-btn--amber { background: linear-gradient(135deg, #F7BE63, #F0A53A); color: var(--c-on-amber); box-shadow: 0 6px 18px rgba(240, 165, 58, .35); }
.mdtd-btn--amber:hover { color: var(--c-on-amber); box-shadow: 0 10px 26px rgba(240, 165, 58, .45); }
.mdtd-btn--ghost { background: transparent; color: var(--c-link); box-shadow: inset 0 0 0 2px var(--c-primary); }
.mdtd-btn--ghost:hover { background: var(--c-primary); color: #fff; box-shadow: inset 0 0 0 2px var(--c-primary); }
.mdtd-btn--light { background: #fff; color: var(--c-midnight); box-shadow: 0 6px 18px rgba(0, 0, 0, .2); }
.mdtd-btn--light:hover { color: var(--c-midnight); }
.mdtd-btn--danger { background: linear-gradient(135deg, #D2453D, #B3261E); box-shadow: 0 6px 18px rgba(179, 38, 30, .3); }
.mdtd-section--deep .mdtd-btn--ghost, .mdtd-section--night .mdtd-btn--ghost { color: #fff; box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .6); }
.mdtd-link { display: inline-flex; align-items: center; gap: .4em; font-weight: 600; text-decoration: none; }
.mdtd-link:hover { text-decoration: underline; }
.mdtd-iconbtn {
	display: inline-grid; place-items: center; width: 44px; height: 44px; padding: 0;
	border: 0; border-radius: 50%; background: transparent; color: inherit; text-decoration: none;
	transition: background-color .2s, transform .25s var(--ease), color .2s;
}
.mdtd-iconbtn:hover { background: var(--c-tint2); color: var(--c-primary-deep); transform: translateY(-1px); }
.mdtd-iconbtn:active { transform: scale(.92); }
.mdtd-iconbtn--outline { box-shadow: inset 0 0 0 1.5px var(--c-line); }
.mdtd-iconbtn--accent { background: var(--c-amber); color: var(--c-on-amber); box-shadow: 0 4px 12px rgba(240, 165, 58, .4); }
.mdtd-iconbtn--accent:hover { background: #F7BE63; color: var(--c-on-amber); }
.mdtd-chipbtn {
	display: inline-flex; align-items: center; gap: .4em; min-height: 36px; padding: .3em .9em;
	border: 0; border-radius: var(--r-pill); background: var(--c-tint2); color: var(--c-text); font-size: .88rem; font-weight: 600;
	transition: background-color .2s, transform .2s var(--ease);
}
.mdtd-chipbtn:hover { background: var(--c-primary-soft); }
.mdtd-chipbtn[aria-pressed="false"] { opacity: .75; }
.mdtd-chip { display: inline-block; padding: .2em .8em; border-radius: var(--r-pill); background: var(--c-primary-soft); color: var(--c-midnight); font-size: .78rem; font-weight: 600; text-decoration: none; }
.mdtd-chip:hover { background: var(--c-mist); color: var(--c-midnight); }
.mdtd-badge { display: inline-flex; align-items: center; gap: .35em; padding: .2em .75em; border-radius: var(--r-pill); background: var(--c-tint2); color: var(--c-text); font-size: .76rem; font-weight: 700; }
.mdtd-badge--amber { background: var(--c-amber); color: var(--c-on-amber); }
.mdtd-badge--cold { background: #0F2F4F; color: #CFE8F7; }
.mdtd-pills { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; margin: 0 0 1.5rem; padding: 0; }
.mdtd-pills--links { justify-content: center; }
.mdtd-pill {
	display: inline-flex; align-items: center; gap: .4em; min-height: 40px; padding: .35em 1.05em;
	border: 1px solid var(--c-line); border-radius: var(--r-pill); background: var(--c-card); color: var(--c-text);
	font-size: .92rem; font-weight: 500; text-decoration: none; cursor: pointer;
	transition: background-color .2s, border-color .2s, color .2s, transform .2s var(--ease);
}
.mdtd-pill small { color: var(--c-muted); font-size: .8em; }
.mdtd-pill:hover { border-color: var(--c-primary); color: var(--c-link); transform: translateY(-1px); }
.mdtd-pill.is-active, .mdtd-pill[aria-pressed="true"] { background: var(--c-primary-deep); border-color: var(--c-primary-deep); color: #fff; }
.mdtd-pill.is-active small, .mdtd-pill[aria-pressed="true"] small { color: #CFE8F7; }

/* ---------- 5. Header ---------- */
.mdtd-header {
	position: sticky; top: 0; z-index: 100; height: var(--header-h);
	background: color-mix(in srgb, var(--c-bg) 78%, transparent);
	-webkit-backdrop-filter: saturate(160%) blur(16px); backdrop-filter: saturate(160%) blur(16px);
	border-bottom: 1px solid var(--c-line);
	transition: transform .35s var(--ease), background-color .3s, border-color .3s, box-shadow .3s;
}
.mdtd-header.is-transparent:not(.is-scrolled) { background: transparent; border-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.mdtd-header.is-scrolled { box-shadow: var(--sh-1); }
.mdtd-header.is-hidden { transform: translateY(-100%); }
body.admin-bar .mdtd-header { top: var(--wp-admin--admin-bar--height, 32px); }
.mdtd-header__inner { height: 100%; display: flex; align-items: center; gap: 1rem; }
.mdtd-header__tools { margin-left: auto; display: flex; align-items: center; gap: .25rem; }
.mdtd-brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--c-text); text-decoration: none; min-width: 0; }
.mdtd-brand:hover { color: var(--c-text); }
.mdtd-brand__mark { display: inline-block; width: 40px; height: 40px; flex: none; transition: transform .6s var(--ease); }
.mdtd-brand:hover .mdtd-brand__mark { transform: rotate(60deg); }
.mdtd-brand__mark svg { width: 100%; height: 100%; }
.mdtd-brand__logo { max-height: 48px; width: auto; }
.mdtd-brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.mdtd-brand__name { font-family: var(--f-serif); font-weight: 600; font-size: 1.15rem; white-space: nowrap; }
.mdtd-brand__slogan { display: none; font-size: .72rem; color: var(--c-muted); white-space: nowrap; }
@media (min-width: 1100px) { .mdtd-brand__slogan { display: block; } }
.mdtd-nav { display: none; margin-left: 1.5rem; }
@media (min-width: 960px) { .mdtd-nav { display: block; } }
.mdtd-nav ul, .mdtd-nav__list { display: flex; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.mdtd-nav li { position: relative; }
.mdtd-nav a { display: block; padding: .55em .9em; border-radius: var(--r-pill); color: var(--c-text); font-weight: 500; font-size: .96rem; text-decoration: none; transition: background-color .2s, color .2s; }
.mdtd-nav a:hover, .mdtd-nav .current-menu-item > a, .mdtd-nav .current_page_item > a { background: var(--c-primary-soft); color: var(--c-midnight); }
.mdtd-nav .sub-menu { position: absolute; left: 0; top: 100%; min-width: 220px; margin: 0; padding: .5rem; list-style: none; display: none; flex-direction: column; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-md); box-shadow: var(--sh-2); }
.mdtd-nav li:hover > .sub-menu, .mdtd-nav li:focus-within > .sub-menu { display: flex; }
.mdtd-header__login { display: none; padding: .5em .8em; color: var(--c-text); font-weight: 600; text-decoration: none; }
.mdtd-header__register { display: none; }
@media (min-width: 680px) { .mdtd-header__login, .mdtd-header__register { display: inline-flex; } }
.mdtd-menu-toggle { display: inline-grid; }
@media (min-width: 960px) { .mdtd-menu-toggle { display: none; } }
.mdtd-theme-toggle { position: relative; }
.mdtd-theme-toggle__i { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transform: rotate(-60deg) scale(.6); transition: opacity .3s, transform .4s var(--ease); }
html[data-theme-mode="light"] .mdtd-theme-toggle__i--light,
html[data-theme-mode="dark"] .mdtd-theme-toggle__i--dark,
html[data-theme-mode="auto"] .mdtd-theme-toggle__i--auto { opacity: 1; transform: none; }
.mdtd-searchbar { border-top: 1px solid var(--c-line); background: var(--c-bg); padding-block: .9rem; box-shadow: var(--sh-1); }
.mdtd-search { display: flex; align-items: center; gap: .5rem; padding: .3rem .35rem .3rem 1rem; border: 1px solid var(--c-line); border-radius: var(--r-pill); background: var(--c-card); transition: border-color .2s, box-shadow .2s; }
.mdtd-search:focus-within { border-color: var(--c-primary); box-shadow: 0 0 0 4px var(--c-hl); }
.mdtd-search__i { color: var(--c-muted); }
.mdtd-search input { flex: 1; min-width: 0; border: 0; background: transparent; outline: none; font-size: 1rem; padding: .5em 0; }
.mdtd-progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: transparent; }
.mdtd-progress span { display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(var(--p, 0)); background: linear-gradient(90deg, var(--c-mist), var(--c-primary), var(--c-amber)); will-change: transform; }
.mdtd-account { position: relative; }
.mdtd-account__btn { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; background: transparent; }
.mdtd-account__btn img, .mdtd-account__btn .mdtd-avatar { border-radius: 50%; }
.mdtd-account__menu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 230px; padding: .5rem; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-md); box-shadow: var(--sh-3); animation: mdtd-pop .25s var(--ease); }
.mdtd-account__name { margin: 0; padding: .5rem .75rem; font-weight: 700; border-bottom: 1px solid var(--c-line); }
.mdtd-account__menu a { display: flex; align-items: center; gap: .6rem; padding: .65rem .75rem; border-radius: var(--r-sm); color: var(--c-text); text-decoration: none; font-weight: 500; }
.mdtd-account__menu a:hover { background: var(--c-tint2); }
@keyframes mdtd-pop { from { opacity: 0; transform: translateY(-6px) scale(.97); } }
.mdtd-avatar { display: inline-grid; place-items: center; width: var(--size, 40px); height: var(--size, 40px); border-radius: 50%; font-weight: 700; font-size: calc(var(--size, 40px) * .42); color: #fff; background: var(--g-brand); flex: none; }
.mdtd-avatar--h1 { background: linear-gradient(135deg, #C97A12, #F0A53A); color: #14212E; }
.mdtd-avatar--h2 { background: linear-gradient(135deg, #1B7A4B, #4FB286); }
.mdtd-avatar--h3 { background: linear-gradient(135deg, #6C4AA0, #9B7AD0); }
.mdtd-avatar--h4 { background: linear-gradient(135deg, #0F2F4F, #2F6FA7); }
.mdtd-avatar--h5 { background: linear-gradient(135deg, #A33A55, #D2698A); }
.mdtd-avatar__img, img.avatar { border-radius: 50%; object-fit: cover; }
/* Menu mobile */
.mdtd-mobile { position: fixed; inset: 0; z-index: 200; display: flex; justify-content: flex-end; }
.mdtd-mobile__scrim { position: absolute; inset: 0; background: rgba(8, 20, 33, .55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); animation: mdtd-fade .3s var(--ease); }
.mdtd-mobile__panel { position: relative; z-index: 1; width: min(88vw, 400px); height: 100%; display: flex; flex-direction: column; gap: 1.25rem; padding: 1rem 1.25rem calc(1.25rem + env(safe-area-inset-bottom)); background: var(--c-bg); box-shadow: var(--sh-3); overflow-y: auto; animation: mdtd-slide .38s var(--ease); }
.mdtd-mobile__head { display: flex; align-items: center; justify-content: space-between; }
.mdtd-mobile__list { list-style: none; margin: 0; padding: 0; }
.mdtd-mobile__list a { display: flex; align-items: center; min-height: 52px; padding: .5rem .25rem; border-bottom: 1px solid var(--c-line); color: var(--c-text); font-family: var(--f-serif); font-size: 1.3rem; text-decoration: none; }
.mdtd-mobile__list a:hover { color: var(--c-primary); }
.mdtd-mobile__foot { margin-top: auto; display: grid; gap: .6rem; }
@keyframes mdtd-slide { from { transform: translateX(100%); } }
@keyframes mdtd-fade { from { opacity: 0; } }
body.mdtd-noscroll { overflow: hidden; }

/* ---------- 6. Hero ---------- */
.mdtd-hero { position: relative; margin-top: calc(var(--header-h) * -1); padding: calc(var(--header-h) + clamp(32px, 6vw, 72px)) 0 clamp(48px, 7vw, 96px); min-height: min(100svh, 880px); display: flex; align-items: center; background: var(--g-dawn); overflow: hidden; isolation: isolate; }
.mdtd-hero__bg { position: absolute; inset: 0; z-index: -2; background:
	radial-gradient(700px 420px at 12% 18%, rgba(255, 255, 255, .9), transparent 70%),
	radial-gradient(640px 420px at 88% 70%, rgba(142, 197, 232, .55), transparent 70%),
	radial-gradient(420px 260px at 70% 10%, rgba(240, 165, 58, .18), transparent 70%); }
.mdtd-hero__snow { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.mdtd-hero__grid { display: grid; gap: clamp(32px, 5vw, 64px); align-items: center; }
@media (min-width: 960px) { .mdtd-hero__grid { grid-template-columns: 1.05fr .95fr; } }
.mdtd-hero__title { font-size: clamp(2.3rem, 1.4rem + 4.2vw, 4.4rem); line-height: 1.08; margin-bottom: .45em; }
.mdtd-hero__desc { max-width: 560px; font-size: 1.1rem; color: var(--c-muted); }
.mdtd-hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.mdtd-hero__actions--center { justify-content: center; }
.mdtd-hero__fx { margin-top: 1.4rem; }
.mdtd-hero__visual { position: relative; justify-self: center; width: min(100%, 460px); aspect-ratio: 4 / 5; }
.mdtd-blob { position: absolute; z-index: 0; will-change: transform; filter: blur(.3px); }
.mdtd-blob--1 { width: 86%; height: 86%; left: -14%; top: 6%; background: var(--g-frost); border-radius: 58% 42% 55% 45% / 52% 60% 40% 48%; opacity: .55; animation: mdtd-morph 16s ease-in-out infinite alternate; }
.mdtd-blob--2 { width: 46%; height: 46%; right: -8%; bottom: 0; background: linear-gradient(135deg, #FFD58A, #F0A53A); border-radius: 46% 54% 38% 62% / 55% 40% 60% 45%; opacity: .5; animation: mdtd-morph 12s ease-in-out infinite alternate-reverse; }
@keyframes mdtd-morph { to { border-radius: 40% 60% 46% 54% / 44% 56% 44% 56%; transform: rotate(8deg) scale(1.04); } }
[data-parallax] { transform: translate3d(0, calc(var(--py, 0) * 1px), 0); }
.mdtd-arch { position: absolute; inset: 0 8% 6% 8%; z-index: 1; border-radius: 999px 999px var(--r-lg) var(--r-lg); border: 8px solid #fff; background: var(--c-tint2); box-shadow: var(--sh-3); overflow: hidden; }
.mdtd-arch__img { width: 100%; height: 100%; object-fit: cover; filter: brightness(var(--c-img-dim)); }
.mdtd-arch__art, .mdtd-arch__art svg { display: block; width: 100%; height: 100%; }
.mdtd-arch-sub { position: absolute; z-index: 2; left: -4%; bottom: 8%; width: 34%; aspect-ratio: 1; border-radius: var(--r-md); border: 6px solid #fff; overflow: hidden; background: var(--c-tint2); box-shadow: var(--sh-2); }
.mdtd-arch-sub__art, .mdtd-arch-sub svg { display: block; width: 100%; height: 100%; }
.mdtd-chip-float { position: absolute; z-index: 3; right: -2%; top: 14%; display: flex; align-items: center; gap: .6rem; padding: .55rem 1rem .55rem .7rem; border-radius: var(--r-pill); background: var(--c-glass); border: 1px solid var(--c-glass-line); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: var(--sh-2); animation: mdtd-bob 5s ease-in-out infinite alternate; }
.mdtd-chip-float__txt { display: flex; flex-direction: column; line-height: 1.15; }
.mdtd-chip-float small { color: var(--c-muted); font-size: .72rem; }
.mdtd-chip-float strong { font-size: 1.25rem; }
@keyframes mdtd-bob { to { transform: translateY(-8px); } }
.mdtd-demo-tag { position: absolute; z-index: 4; left: 50%; bottom: 14px; transform: translateX(-50%); padding: .2em .8em; border-radius: var(--r-pill); background: rgba(15, 47, 79, .78); color: #fff; font-size: .7rem; font-weight: 600; letter-spacing: .03em; white-space: nowrap; pointer-events: none; }
/* H1 hiện dần từng từ */
.mdtd-js [data-breath].is-split .mdtd-w { display: inline-block; opacity: 0; transform: translateY(.45em); filter: blur(6px); }
.mdtd-js [data-breath].is-in .mdtd-w { opacity: 1; transform: none; filter: none; transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); transition-delay: calc(var(--i) * 70ms); }

/* ---------- 7. Section riêng ---------- */
.mdtd-glass { background: var(--c-glass); border: 1px solid var(--c-glass-line); -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%); border-radius: var(--r-lg); box-shadow: var(--sh-2); }
.mdtd-memory { max-width: 860px; margin-inline: auto; padding: clamp(28px, 5vw, 64px); text-align: center; position: relative; }
.mdtd-memory__bg { position: absolute; inset: 0; opacity: .5; }
.mdtd-memory__bg svg { width: 100%; height: 100%; object-fit: cover; }
.mdtd-script-quote { margin: 1.2rem 0 1.8rem; font-family: var(--f-script); font-size: clamp(1.5rem, 1.15rem + 1.7vw, 2.3rem); line-height: 1.55; color: var(--c-primary-deep); }
.mdtd-script-quote p { margin: 0; }
.mdtd-script-quote figcaption { font-family: var(--f-sans); font-size: .9rem; color: var(--c-muted); margin-top: .75rem; }
.mdtd-vlog-layout { display: grid; gap: 1.5rem; }
@media (min-width: 960px) { .mdtd-vlog-layout { grid-template-columns: 1.6fr 1fr; align-items: start; } }
.mdtd-vlog-side { display: grid; gap: 1rem; }
.mdtd-vlog-feature .mdtd-card__title { margin-top: .9rem; font-size: 1.5rem; }
.mdtd-hscroll { display: flex; gap: 1.1rem; overflow-x: auto; padding: .5rem var(--gutter) 1.2rem; margin-inline: calc(var(--gutter) * -1); scroll-snap-type: x mandatory; scroll-padding-inline: var(--gutter); scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
.mdtd-hscroll > * { flex: 0 0 min(82%, 340px); scroll-snap-align: start; }
.mdtd-hscroll > *:nth-child(3n+2) { margin-top: 28px; }
.mdtd-radio-layout { display: grid; gap: 1.5rem; }
@media (min-width: 960px) { .mdtd-radio-layout { grid-template-columns: 1.4fr 1fr; align-items: start; } }
.mdtd-playlist { display: grid; gap: .75rem; }
.mdtd-playlist__title { margin: 0 0 .25rem; color: #fff; font-size: 1.2rem; }
.mdtd-stats { display: grid; gap: 1rem; list-style: none; margin: 0; padding: 0; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 960px) { .mdtd-stats { grid-template-columns: repeat(4, 1fr); } }
.mdtd-stat { padding: 1.5rem 1rem; text-align: center; border-radius: var(--r-md); background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .25); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.mdtd-stat__num { margin: 0; font-family: var(--f-serif); font-size: clamp(2.4rem, 1.8rem + 2.6vw, 3.8rem); font-weight: 600; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.mdtd-stat__num small { font-family: var(--f-sans); font-size: .35em; margin-left: .25em; color: #FFD58A; font-weight: 600; }
.mdtd-stat__label { margin: .6rem 0 0; font-size: .92rem; color: #E8F0F7; }
.mdtd-community { display: grid; gap: clamp(28px, 5vw, 56px); align-items: center; }
@media (min-width: 960px) { .mdtd-community { grid-template-columns: 1fr 1.1fr; } }
.mdtd-community .mdtd-section__desc { margin-inline: 0; }
.mdtd-features { display: grid; gap: 1rem; list-style: none; margin: 0; padding: 0; }
@media (min-width: 680px) { .mdtd-features { grid-template-columns: repeat(2, 1fr); } }
.mdtd-feature { padding: 1.4rem; border: 1px solid var(--c-line); border-radius: var(--r-md); background: var(--c-card); box-shadow: var(--sh-1); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.mdtd-feature:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.mdtd-feature h3 { font-size: 1.1rem; margin: .7rem 0 .3rem; }
.mdtd-feature p { margin: 0; color: var(--c-muted); font-size: .95rem; }
.mdtd-feature__i { color: var(--c-primary); }
.mdtd-newsletter { display: grid; gap: 1.5rem; align-items: center; padding: clamp(24px, 4vw, 48px); }
@media (min-width: 960px) { .mdtd-newsletter { grid-template-columns: 1fr 1fr; } }
.mdtd-accordion { display: grid; gap: .75rem; }
.mdtd-acc { border: 1px solid var(--c-line); border-radius: var(--r-md); background: var(--c-card); overflow: hidden; transition: box-shadow .3s var(--ease), border-color .3s; }
.mdtd-acc[open] { border-color: var(--c-primary); box-shadow: var(--sh-1); }
.mdtd-acc summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 56px; padding: .9rem 1.25rem; font-weight: 600; cursor: pointer; list-style: none; }
.mdtd-acc summary::-webkit-details-marker { display: none; }
.mdtd-acc__chev { transition: transform .35s var(--ease); color: var(--c-primary); }
.mdtd-acc[open] .mdtd-acc__chev { transform: rotate(180deg); }
.mdtd-acc__body { padding: 0 1.25rem 1.1rem; color: var(--c-muted); }
.mdtd-acc__body p { margin: 0; }
.mdtd-cta__art { position: absolute; inset: 0; opacity: .22; pointer-events: none; }
.mdtd-cta__art svg { width: 100%; height: 100%; }
.mdtd-cta { position: relative; max-width: 760px; }

/* ---------- 8. Card & grid ---------- */
.mdtd-grid { display: grid; gap: clamp(16px, 2.4vw, 28px); grid-template-columns: 1fr; }
@media (min-width: 680px) { .mdtd-grid--2, .mdtd-grid--3, .mdtd-grid--radio { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .mdtd-grid--3 { grid-template-columns: repeat(3, 1fr); } .mdtd-grid--radio { grid-template-columns: repeat(2, 1fr); } }
.mdtd-card { position: relative; display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--c-line); border-radius: var(--r-md); background: var(--c-card); box-shadow: var(--sh-1); overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.mdtd-card::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(115deg, transparent 35%, rgba(255, 255, 255, .35) 50%, transparent 65%); transform: translateX(-130%); transition: transform .8s var(--ease); }
.mdtd-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.mdtd-card:hover::after { transform: translateX(130%); }
.mdtd-card__media { position: relative; display: block; color: inherit; }
.mdtd-media { position: relative; display: block; width: 100%; aspect-ratio: var(--ratio, 16 / 11); overflow: hidden; background: var(--c-tint2); }
.mdtd-media__img, .mdtd-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(var(--c-img-dim)); transition: transform .8s var(--ease); }
.mdtd-card:hover .mdtd-media__img, .mdtd-card:hover .mdtd-media img { transform: scale(1.05); }
.mdtd-art { position: absolute; inset: 0; display: block; transition: transform .8s var(--ease); }
.mdtd-art svg { display: block; width: 100%; height: 100%; }
.mdtd-card:hover .mdtd-art { transform: scale(1.05); }
.mdtd-card__body { display: flex; flex-direction: column; gap: .5rem; flex: 1; padding: 1.15rem 1.25rem 1.3rem; }
.mdtd-card__top { display: flex; align-items: center; justify-content: space-between; gap: .5rem; min-height: 28px; }
.mdtd-card__title { margin: 0; font-size: 1.2rem; }
.mdtd-card__title a { color: var(--c-text); text-decoration: none; background: linear-gradient(var(--c-primary), var(--c-primary)) 0 100% / 0 2px no-repeat; transition: background-size .4s var(--ease); }
.mdtd-card__title a:hover { background-size: 100% 2px; color: var(--c-text); }
.mdtd-card__title--xl { font-size: clamp(1.6rem, 1.3rem + 1.4vw, 2.3rem); }
.mdtd-card__excerpt { margin: 0; color: var(--c-muted); font-size: .95rem; }
.mdtd-card__foot { margin: auto 0 0; padding-top: .4rem; color: var(--c-muted); font-size: .84rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.mdtd-card__place, .mdtd-card__tags { display: flex; align-items: center; gap: .35rem; margin: 0; color: var(--c-primary-deep); font-size: .82rem; font-weight: 600; }
.mdtd-card--featured { grid-column: 1 / -1; }
@media (min-width: 960px) { .mdtd-card--featured { flex-direction: row; } .mdtd-card--featured .mdtd-card__media { flex: 1.15; } .mdtd-card--featured .mdtd-card__body { flex: 1; justify-content: center; padding: 2rem; } .mdtd-card--featured .mdtd-media { height: 100%; aspect-ratio: auto; min-height: 340px; } }
.mdtd-card--vlog .mdtd-card__play { position: absolute; left: 50%; top: 50%; z-index: 2; display: grid; place-items: center; width: 64px; height: 64px; margin: -32px 0 0 -32px; border-radius: 50%; background: rgba(255, 255, 255, .88); color: var(--c-primary-deep); box-shadow: var(--sh-2); transition: transform .3s var(--ease); }
.mdtd-card--vlog:hover .mdtd-card__play { transform: scale(1.12); }
.mdtd-card__dur { position: absolute; right: 10px; bottom: 10px; z-index: 2; padding: .15em .6em; border-radius: var(--r-pill); background: rgba(8, 20, 33, .75); color: #fff; font-size: .75rem; font-weight: 600; }
.mdtd-card--radio { flex-direction: row; align-items: center; gap: 1rem; padding: .75rem; }
.mdtd-card--radio .mdtd-card__media { flex: 0 0 96px; border-radius: var(--r-sm); overflow: hidden; }
.mdtd-card--radio .mdtd-card__body { padding: 0; }
.mdtd-card--radio .mdtd-card__title { font-size: 1.05rem; }
.mdtd-card__action { flex: none; padding-right: .25rem; }
.mdtd-card--night { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .18); }
.mdtd-card--night .mdtd-card__title a, .mdtd-card--night .mdtd-card__title { color: #fff; }
.mdtd-card--night .mdtd-card__excerpt, .mdtd-card--night .mdtd-card__foot { color: #C9DAEA; }
.mdtd-section--deep .mdtd-card, .mdtd-section--night .mdtd-card { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .18); }
.mdtd-section--deep .mdtd-card__title a, .mdtd-section--deep .mdtd-card__title { color: #fff; }
.mdtd-section--deep .mdtd-card__foot, .mdtd-section--deep .mdtd-card__tags { color: #C9DAEA; }
.mdtd-heart { width: 40px; height: 40px; color: var(--c-muted); }
.mdtd-heart[aria-pressed="true"] { color: #D2453D; }
.mdtd-heart[aria-pressed="true"] svg { fill: currentColor; animation: mdtd-beat .5s var(--ease); }
@keyframes mdtd-beat { 40% { transform: scale(1.35); } }
.mdtd-meta { display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; list-style: none; margin: 0 0 1rem; padding: 0; color: var(--c-muted); font-size: .9rem; }
.mdtd-meta li { display: inline-flex; align-items: center; gap: .4rem; }
.mdtd-meta a { color: inherit; }
.mdtd-toolbar { display: grid; gap: 1rem; margin-bottom: 1.5rem; }
@media (min-width: 960px) { .mdtd-toolbar { grid-template-columns: 1fr minmax(260px, 340px); align-items: start; } .mdtd-toolbar .mdtd-pills { justify-content: flex-start; margin: 0; } }
.mdtd-empty { text-align: center; max-width: 520px; margin: 2rem auto; }
.mdtd-empty__art { width: 220px; height: 160px; margin: 0 auto 1rem; border-radius: var(--r-md); overflow: hidden; }
.mdtd-empty__art svg { width: 100%; height: 100%; }
.mdtd-empty .mdtd-search { margin: 1rem 0; }

/* ---------- 9. Ảnh, lightbox, video facade ---------- */
.mdtd-masonry { column-count: 2; column-gap: 14px; }
@media (min-width: 680px) { .mdtd-masonry { column-count: 3; } }
@media (min-width: 1100px) { .mdtd-masonry { column-count: 4; } }
.mdtd-photo { break-inside: avoid; margin: 0 0 14px; border-radius: var(--r-md); overflow: hidden; background: var(--c-tint2); transition: opacity .35s var(--ease), transform .35s var(--ease); }
.mdtd-photo.is-hidden { display: none; }
.mdtd-photo__link { position: relative; display: block; color: inherit; }
.mdtd-photo__link .mdtd-media { aspect-ratio: var(--ratio, 1 / 1); }
.mdtd-photo__cap { position: absolute; inset: auto 0 0 0; display: flex; flex-direction: column; gap: .1rem; padding: 2.2rem .9rem .8rem; background: linear-gradient(transparent, rgba(8, 20, 33, .8)); color: #fff; font-size: .9rem; font-weight: 600; opacity: 0; transform: translateY(8px); transition: opacity .3s, transform .35s var(--ease); }
.mdtd-photo__cap small { font-weight: 400; opacity: .85; }
.mdtd-photo__link:hover .mdtd-photo__cap, .mdtd-photo__link:focus-visible .mdtd-photo__cap { opacity: 1; transform: none; }
@media (hover: none) { .mdtd-photo__cap { opacity: 1; transform: none; } }
.mdtd-photo:hover .mdtd-media img, .mdtd-photo:hover .mdtd-art { transform: scale(1.06); }
.mdtd-empty-filter { text-align: center; color: var(--c-muted); }
.mdtd-lightbox { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; margin: 0; padding: 0; border: 0; background: rgba(6, 14, 22, .94); color: #fff; }
.mdtd-lightbox::backdrop { background: rgba(6, 14, 22, .8); }
.mdtd-lightbox[open] { display: grid; place-items: center; animation: mdtd-fade .3s var(--ease); }
.mdtd-lightbox__close { position: absolute; right: 14px; top: 14px; z-index: 3; margin: 0; }
.mdtd-lightbox .mdtd-iconbtn { color: #fff; background: rgba(255, 255, 255, .12); }
.mdtd-lightbox .mdtd-iconbtn:hover { background: rgba(255, 255, 255, .26); color: #fff; }
.mdtd-lightbox__nav { position: absolute; top: 50%; z-index: 3; margin-top: -22px; }
.mdtd-lightbox__nav--prev { left: 14px; }
.mdtd-lightbox__nav--next { right: 14px; }
.mdtd-lightbox__fig { margin: 0; width: min(92vw, 1100px); text-align: center; }
.mdtd-lightbox__stage { display: grid; place-items: center; max-height: 78dvh; }
.mdtd-lightbox__stage img { max-height: 78dvh; width: auto; max-width: 100%; border-radius: var(--r-sm); object-fit: contain; animation: mdtd-pop .35s var(--ease); }
.mdtd-lightbox__stage svg { width: min(92vw, 900px); height: auto; max-height: 78dvh; border-radius: var(--r-md); }
.mdtd-lightbox figcaption { margin-top: .9rem; font-size: 1rem; }
.mdtd-facade { position: relative; border-radius: var(--r-md); overflow: hidden; background: #0F2F4F; box-shadow: var(--sh-2); aspect-ratio: 16 / 9; }
.mdtd-facade .mdtd-media { position: absolute; inset: 0; aspect-ratio: auto; height: 100%; }
.mdtd-facade iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.mdtd-facade__btn { position: absolute; inset: 0; display: grid; place-items: center; width: 100%; border: 0; background: linear-gradient(transparent 40%, rgba(8, 20, 33, .55)); }
.mdtd-facade__icon { display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: rgba(255, 255, 255, .92); color: var(--c-primary-deep); box-shadow: var(--sh-3); transition: transform .3s var(--ease); }
.mdtd-facade__btn:hover .mdtd-facade__icon { transform: scale(1.1); }
.mdtd-facade__note { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; padding: .7rem 1rem; background: rgba(8, 20, 33, .7); color: #fff; font-size: .85rem; }

/* ---------- 10. Radio ---------- */
.mdtd-player { display: grid; gap: 1.25rem; padding: clamp(16px, 3vw, 28px); border-radius: var(--r-lg); background: var(--c-glass); border: 1px solid var(--c-glass-line); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: var(--sh-2); color: var(--c-text); }
@media (min-width: 680px) { .mdtd-player { grid-template-columns: 200px 1fr; align-items: center; } }
.mdtd-player--featured { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .22); color: #fff; }
.mdtd-section--deep .mdtd-player { color: #fff; }
.mdtd-player__cover { border-radius: var(--r-md); overflow: hidden; width: min(200px, 100%); box-shadow: var(--sh-2); }
.mdtd-player__kicker { margin: 0 0 .25rem; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--c-amber-deep); }
.mdtd-player--featured .mdtd-player__kicker { color: #FFD58A; }
.mdtd-player__title { margin: 0 0 .75rem; font-size: clamp(1.2rem, 1.05rem + .8vw, 1.6rem); }
.mdtd-player__title a { color: inherit; text-decoration: none; }
.mdtd-player--featured .mdtd-player__title a { color: #fff; }
.mdtd-wave { display: flex; align-items: center; gap: 3px; height: 54px; margin-bottom: .5rem; }
.mdtd-wave i { flex: 1; min-width: 2px; max-width: 8px; height: var(--h, 50%); border-radius: 4px; background: currentColor; opacity: .55; transform: scaleY(.45); transform-origin: 50% 50%; transition: transform .4s var(--ease); }
.mdtd-player--featured .mdtd-wave i { background: linear-gradient(#FFD58A, #F0A53A); opacity: .9; }
.mdtd-player.is-playing .mdtd-wave i { animation: mdtd-eq 1.1s ease-in-out infinite alternate; animation-delay: var(--d); }
@keyframes mdtd-eq { 0% { transform: scaleY(.25); } 100% { transform: scaleY(1); } }
.mdtd-player__bar { display: flex; align-items: center; gap: .8rem; }
.mdtd-player__time { font-size: .82rem; font-variant-numeric: tabular-nums; white-space: nowrap; opacity: .85; }
input[type="range"].mdtd-player__seek, input[type="range"].mdtd-mini__seek, .mdtd-player__vol input { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--c-amber) var(--fill, 0%), rgba(127, 150, 175, .35) var(--fill, 0%)); cursor: pointer; padding: 0; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid var(--c-amber); box-shadow: 0 1px 4px rgba(0, 0, 0, .3); }
input[type="range"]::-moz-range-thumb { width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--c-amber); }
.mdtd-player__controls { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-top: .75rem; }
.mdtd-player--featured .mdtd-iconbtn, .mdtd-player--featured .mdtd-chipbtn { color: #fff; }
.mdtd-player--featured .mdtd-chipbtn { background: rgba(255, 255, 255, .16); }
.mdtd-player--featured .mdtd-iconbtn:hover, .mdtd-player--featured .mdtd-chipbtn:hover { background: rgba(255, 255, 255, .28); color: #fff; }
.mdtd-player__play, .mdtd-mini__play { width: 56px; height: 56px; min-height: 0; padding: 0; border-radius: 50%; }
.mdtd-player__play .mdtd-i-pause, .mdtd-mini__play .mdtd-i-pause { display: none; }
.is-playing > .mdtd-player__body .mdtd-i-play, .mdtd-player.is-playing .mdtd-i-play, .mdtd-mini.is-playing .mdtd-i-play { display: none; }
.mdtd-player.is-playing .mdtd-i-pause, .mdtd-mini.is-playing .mdtd-i-pause { display: inline; }
.mdtd-player__vol { display: inline-flex; align-items: center; gap: .25rem; margin-left: auto; }
.mdtd-player__vol input { width: 84px; }
.mdtd-radio-feature { margin-bottom: 2rem; }
.mdtd-mini { position: fixed; z-index: 90; left: 50%; bottom: calc(var(--dock-h) + 12px + env(safe-area-inset-bottom)); transform: translateX(-50%); display: flex; align-items: center; gap: .5rem; width: min(calc(100% - 24px), 640px); padding: .55rem .7rem; border-radius: var(--r-pill); background: color-mix(in srgb, var(--c-card) 86%, transparent); border: 1px solid var(--c-line); -webkit-backdrop-filter: blur(18px) saturate(150%); backdrop-filter: blur(18px) saturate(150%); box-shadow: var(--sh-3); animation: mdtd-rise .45s var(--ease); }
@keyframes mdtd-rise { from { opacity: 0; transform: translate(-50%, 24px); } }
.mdtd-mini__cover { flex: none; width: 44px; height: 44px; border-radius: 50%; overflow: hidden; background: var(--g-brand); }
.mdtd-mini__cover img { width: 100%; height: 100%; object-fit: cover; }
.mdtd-mini__info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.mdtd-mini__title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; font-size: .92rem; color: var(--c-text); text-decoration: none; }
.mdtd-mini__sub { font-size: .75rem; color: var(--c-muted); }
.mdtd-mini__play { width: 46px; height: 46px; }

/* ---------- 11. Thời tiết ---------- */
.mdtd-weather { display: grid; gap: 1.25rem; }
.mdtd-wx-card { padding: clamp(18px, 3vw, 32px); border-radius: var(--r-lg); background: var(--g-night); color: #E8F0F7; box-shadow: var(--sh-2); position: relative; overflow: hidden; }
.mdtd-wx-card::before { content: ''; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle, rgba(240, 165, 58, .3), transparent 70%); }
.mdtd-wx-now { display: flex; align-items: center; gap: 1.1rem; position: relative; }
.mdtd-wx-place { display: flex; align-items: center; gap: .35rem; margin: 0; font-size: .92rem; opacity: .85; }
.mdtd-wx-temp { margin: 0; font-family: var(--f-serif); font-size: clamp(3rem, 2.4rem + 3vw, 4.6rem); line-height: 1; font-weight: 600; font-variant-numeric: tabular-nums; }
.mdtd-wx-temp sup { font-size: .4em; vertical-align: top; margin-left: .1em; }
.mdtd-wx-desc { margin: .2rem 0 0; font-size: 1.05rem; }
.mdtd-wx-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; list-style: none; margin: 1.25rem 0 0; padding: 0; position: relative; }
.mdtd-wx-facts li { display: flex; flex-direction: column; gap: .15rem; padding: .8rem; border-radius: var(--r-sm); background: rgba(255, 255, 255, .1); font-size: .85rem; }
.mdtd-wx-facts li strong { font-size: 1.1rem; }
.mdtd-wx-alert { display: flex; align-items: center; gap: .75rem; margin-top: 1rem; padding: .7rem 1rem; border-radius: var(--r-sm); background: rgba(240, 165, 58, .18); border: 1px solid rgba(240, 165, 58, .5); position: relative; }
.mdtd-wx-alert p { margin: 0; font-size: .92rem; }
.mdtd-wx-alert .mdtd-badge--cold { background: #CFE8F7; color: #0F2F4F; }
.mdtd-wx-tip { display: flex; gap: .5rem; align-items: flex-start; margin: 1rem 0 0; font-size: .95rem; position: relative; }
.mdtd-weather--compact .mdtd-wx-tip { color: var(--c-muted); font-size: .88rem; }
.mdtd-weather--compact .mdtd-wx-temp { font-size: 2.8rem; }
.mdtd-weather--compact .mdtd-wx-place { color: var(--c-muted); }
.mdtd-weather--compact .mdtd-wx-temp, .mdtd-weather--compact .mdtd-wx-desc { color: var(--c-text); }
.mdtd-wx-days { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(104px, 1fr); gap: .75rem; overflow-x: auto; list-style: none; margin: 0; padding: .25rem .25rem 1rem; scroll-snap-type: x proximity; }
@media (min-width: 1100px) { .mdtd-wx-days { grid-auto-flow: row; grid-template-columns: repeat(7, 1fr); overflow: visible; } }
.mdtd-wx-day { display: flex; flex-direction: column; align-items: center; gap: .15rem; padding: 1rem .5rem; border: 1px solid var(--c-line); border-radius: var(--r-md); background: var(--c-card); box-shadow: var(--sh-1); scroll-snap-align: start; text-align: center; transition: transform .3s var(--ease); }
.mdtd-wx-day:hover { transform: translateY(-4px); }
.mdtd-wx-day.is-cold { border-color: var(--c-mist); background: linear-gradient(var(--c-primary-soft), var(--c-card) 70%); }
.mdtd-wx-day__name { font-weight: 700; font-size: .9rem; }
.mdtd-wx-day__max { font-weight: 700; font-size: 1.15rem; }
.mdtd-wx-day__min { color: var(--c-muted); font-size: .95rem; }
.mdtd-wx-day__rain { display: inline-flex; align-items: center; gap: .2rem; color: var(--c-primary-deep); font-size: .8rem; }
.mdtd-wx-source { margin: 0; text-align: center; font-size: .8rem; color: var(--c-muted); }
.mdtd-wx { flex: none; overflow: visible; }
.wx-rays { transform-origin: 32px 32px; animation: mdtd-spin 24s linear infinite; }
.wx-sun { animation: mdtd-pulse 4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.wx-drift, .wx-cloud { animation: mdtd-drift 6s ease-in-out infinite alternate; }
.wx-drops path, .wx-flakes circle { animation: mdtd-fall 1.4s linear infinite; }
.wx-drops .d2, .wx-flakes .d2 { animation-delay: .35s; }
.wx-drops .d3, .wx-flakes .d3 { animation-delay: .7s; }
.wx-bolt { animation: mdtd-flash 3s steps(1) infinite; }
.wx-fog { animation: mdtd-drift 5s ease-in-out infinite alternate; }
@keyframes mdtd-spin { to { transform: rotate(360deg); } }
@keyframes mdtd-pulse { 50% { transform: scale(1.07); } }
@keyframes mdtd-drift { to { transform: translateX(3px); } }
@keyframes mdtd-fall { 0% { transform: translateY(-4px); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(8px); opacity: 0; } }
@keyframes mdtd-flash { 0%, 60%, 100% { opacity: 1; } 65% { opacity: .2; } 70% { opacity: 1; } }

/* ---------- 12. Form ---------- */
.mdtd-field { display: flex; flex-direction: column; gap: .4rem; margin: 0 0 1.1rem; }
.mdtd-field label { font-size: .92rem; font-weight: 600; }
.mdtd-field .req { color: var(--c-danger); }
.mdtd-form input[type="text"], .mdtd-form input[type="email"], .mdtd-form input[type="password"], .mdtd-form input[type="url"], .mdtd-form input[type="search"],
.mdtd-form input[type="number"], .mdtd-form select, .mdtd-form textarea, .mdtd-form input[type="file"], .mdtd-comment-form input:not([type="checkbox"]):not([type="submit"]), .mdtd-comment-form textarea {
	width: 100%; min-height: 48px; padding: .7em 1em; border: 1.5px solid var(--c-line); border-radius: var(--r-sm); background: var(--c-card); color: var(--c-text);
	font-size: 1rem; line-height: 1.4; transition: border-color .2s, box-shadow .2s;
}
.mdtd-form textarea, .mdtd-comment-form textarea { min-height: 130px; resize: vertical; }
.mdtd-form input:focus, .mdtd-form select:focus, .mdtd-form textarea:focus, .mdtd-comment-form input:focus, .mdtd-comment-form textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px var(--c-hl); }
.mdtd-field.is-error input, .mdtd-field.is-error textarea { border-color: var(--c-danger); box-shadow: 0 0 0 4px rgba(179, 38, 30, .12); }
.mdtd-form--inline { display: flex; flex-wrap: wrap; gap: .6rem; align-items: flex-start; }
.mdtd-form--inline .mdtd-field { flex: 1 1 220px; margin: 0; }
.mdtd-form--inline .mdtd-form__msg { flex-basis: 100%; }
.mdtd-form__msg { min-height: 1.4em; margin: 0 0 .75rem; font-size: .92rem; font-weight: 500; }
.mdtd-form__msg.is-error { color: var(--c-danger); }
.mdtd-form__msg.is-ok { color: var(--c-ok); }
.mdtd-form--inline .mdtd-form__msg:empty { display: none; }
.mdtd-form__row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.mdtd-check { display: inline-flex; align-items: flex-start; gap: .6rem; margin-bottom: 1rem; cursor: pointer; font-size: .94rem; }
.mdtd-form__row .mdtd-check { margin-bottom: 0; }
.mdtd-check input { width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--c-primary-deep); flex: none; }
.mdtd-pwd { position: relative; }
.mdtd-pwd input { padding-right: 3.2rem !important; }
.mdtd-pwd__toggle { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: transparent; color: var(--c-muted); }
.mdtd-pwd__toggle:hover { color: var(--c-primary-deep); }
.mdtd-meter { display: flex; align-items: center; gap: .75rem; margin-top: .4rem; font-size: .82rem; color: var(--c-muted); }
.mdtd-meter__bar { flex: 0 0 120px; height: 6px; border-radius: 3px; background: var(--c-tint2); overflow: hidden; }
.mdtd-meter__bar i { display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(var(--s, 0)); background: var(--c-danger); transition: transform .35s var(--ease), background-color .3s; }
.mdtd-meter[data-level="2"] .mdtd-meter__bar i { background: var(--c-amber-deep); }
.mdtd-meter[data-level="3"] .mdtd-meter__bar i { background: var(--c-primary); }
.mdtd-meter[data-level="4"] .mdtd-meter__bar i { background: var(--c-ok); }
.mdtd-counter { align-self: flex-end; font-size: .8rem; color: var(--c-muted); }
.mdtd-notice { padding: .85rem 1.1rem; margin: 0 0 1rem; border-radius: var(--r-sm); border: 1px solid var(--c-line); background: var(--c-tint); font-size: .94rem; }
.mdtd-notice p { margin: 0 0 .5rem; }
.mdtd-notice--info { background: var(--c-primary-soft); border-color: var(--c-mist); color: #0F2F4F; }
.mdtd-notice--success { background: #E6F4EC; border-color: #9BD0B2; color: #124D30; }
.mdtd-notice--error { background: #FBE9E7; border-color: #E8A9A3; color: #7A1913; }
.mdtd-flash { padding-top: 1rem; }
.mdtd-divider { display: flex; align-items: center; gap: .8rem; margin: 1.2rem 0; color: var(--c-muted); font-size: .85rem; }
.mdtd-divider::before, .mdtd-divider::after { content: ''; flex: 1; height: 1px; background: var(--c-line); }
.mdtd-social-login > div[data-mdtd-google] { display: flex; justify-content: center; min-height: 44px; }

/* ---------- 13. Footer, dock, cookie ---------- */
.mdtd-footer { margin-top: 0; padding: clamp(40px, 6vw, 72px) 0 1.5rem; background: #0F2F4F; color: #C9DAEA; }
.mdtd-footer a { color: #E8F0F7; text-decoration: none; }
.mdtd-footer a:hover { color: #FFD58A; text-decoration: underline; }
.mdtd-footer .mdtd-brand, .mdtd-footer .mdtd-brand__name { color: #fff; }
.mdtd-footer .mdtd-brand__slogan { display: block; color: #9FB3C6; }
.mdtd-footer__grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 680px) { .mdtd-footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .mdtd-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.mdtd-footer__title { margin: 0 0 1rem; font-family: var(--f-sans); font-size: .85rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #fff; }
.mdtd-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.mdtd-footer__contact li { display: flex; gap: .6rem; align-items: flex-start; }
.mdtd-footer__about { margin: 1rem 0; max-width: 340px; }
.mdtd-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid rgba(255, 255, 255, .15); font-size: .88rem; }
.mdtd-footer__bottom p { margin: 0; }
.mdtd-social { display: flex; gap: .4rem; list-style: none; margin: 0; padding: 0; }
.mdtd-footer .mdtd-iconbtn { background: rgba(255, 255, 255, .1); color: #fff; }
.mdtd-footer .mdtd-iconbtn:hover { background: var(--c-amber); color: var(--c-on-amber); text-decoration: none; }
.mdtd-dock { position: fixed; z-index: 95; left: 0; right: 0; bottom: 0; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; padding: .35rem .5rem calc(.35rem + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--c-bg) 88%, transparent); -webkit-backdrop-filter: blur(18px) saturate(150%); backdrop-filter: blur(18px) saturate(150%); border-top: 1px solid var(--c-line); }
@media (min-width: 960px) { .mdtd-dock { display: none; } }
.mdtd-dock__item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-height: 52px; border-radius: var(--r-sm); color: var(--c-muted); font-size: .72rem; font-weight: 600; text-decoration: none; transition: color .2s, background-color .2s; }
.mdtd-dock__item:hover, .mdtd-dock__item:active { color: var(--c-primary-deep); background: var(--c-tint2); }
.mdtd-cookie { position: fixed; z-index: 120; left: 12px; right: 12px; bottom: calc(var(--dock-h) + 12px + env(safe-area-inset-bottom)); max-width: 520px; padding: 1rem 1.2rem; border-radius: var(--r-md); background: var(--c-card); border: 1px solid var(--c-line); box-shadow: var(--sh-3); font-size: .9rem; animation: mdtd-rise .45s var(--ease); }
.mdtd-cookie p { margin: 0 0 .75rem; }
.mdtd-cookie__actions { display: flex; gap: .5rem; flex-wrap: wrap; }
@media (min-width: 960px) { .mdtd-cookie { left: 24px; right: auto; bottom: 24px; } }

/* ---------- 14. Chuyển động ---------- */
.mdtd-js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--stagger, 0ms); }
.mdtd-js [data-reveal].is-in { opacity: 1; transform: none; }
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .35s; animation-timing-function: var(--ease); }
.mdtd-mini { view-transition-name: mdtd-mini; }
.mdtd-header { view-transition-name: mdtd-header; }
@media (prefers-reduced-motion: reduce), (prefers-reduced-data: reduce) {
	.mdtd-hero__snow { display: none; }
}
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important; }
	.mdtd-js [data-reveal], .mdtd-js [data-breath].is-split .mdtd-w { opacity: 1 !important; transform: none !important; filter: none !important; }
	[data-parallax] { transform: none !important; }
	@view-transition { navigation: none; }
}
html.mdtd-reduce-motion .mdtd-hero__snow { display: none; }
html.mdtd-fx-off .mdtd-hero__snow { display: none; }
@media (prefers-reduced-data: reduce) {
	.mdtd-blob, .mdtd-chip-float, .wx-rays, .wx-sun { animation: none; }
}

/* ---------- Bổ sung dùng trên trang chủ ---------- */
.mdtd-section__head--light .mdtd-section__title { color: #fff; }
.mdtd-footer__note { color: #9FB3C6; }
.mdtd-footer__col { min-width: 0; }
.mdtd-form--compact .mdtd-field { flex-basis: 180px; }

/* ---- Sửa header hẹp & danh sách trong thanh công cụ ---- */
.mdtd-brand { flex: 0 1 auto; }
.mdtd-brand__name { overflow: hidden; text-overflow: ellipsis; }
.mdtd-header__tools { flex: none; }
@media (max-width: 479px) {
	.mdtd-brand__mark { width: 34px; height: 34px; }
	.mdtd-brand__name { font-size: 1rem; }
	.mdtd-brand { gap: .45rem; }
	.mdtd-iconbtn { width: 40px; height: 40px; }
	.mdtd-header__inner { gap: .4rem; }
}
.mdtd-social, .mdtd-footer__list, .mdtd-pills { margin-top: 0; }
.mdtd-hero__copy { min-width: 0; }