/* ===================================================================
 * LỊCH LÀNH — Design System v2 (2026)
 * Concept: "Tờ lịch bóc" — tear-off Vietnamese calendar sheet
 * Display serif (almanac/hoàng lịch feel) + clean Vietnamese sans
 * Mobile-first · Core Web Vitals aware · reduced-motion respected
 * =================================================================== */

:root {
  /* Palette — sơn mài Việt: đỏ son, kim nhũ, giấy dó, ngọc bích */
  --son:        #A41E22;   /* đỏ son chủ đạo */
  --son-deep:   #7C1417;   /* đỏ thẫm, chiều sâu */
  --son-soft:   #C24A3E;
  --gold:       #C19A3E;   /* kim nhũ */
  --gold-bright:#E3C261;
  --gold-pale:  #F3E7C4;
  --cream:      #FAF3E2;   /* giấy dó */
  --paper:      #FFFDF8;
  --ink:        #211C16;
  --ink-soft:   #5A5248;
  --muted:      #938B7C;
  --line:       #E9DFC6;
  --jade:       #2F6F4E;   /* ngọc bích — điều lành */
  --jade-pale:  #E2F0E6;
  --rose-pale:  #F7E4E0;

  --shadow-sm:  0 1px 3px rgba(33,28,22,.07);
  --shadow:     0 4px 16px rgba(33,28,22,.10);
  --shadow-lg:  0 12px 40px rgba(33,28,22,.16);
  --radius:     14px;
  --radius-sm:  9px;
  --maxw:       1140px;

  --font-serif: "Noto Serif", Georgia, "Times New Roman", serif;
  --font-sans:  "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% -5%, rgba(193,154,62,.06), transparent 40%),
    radial-gradient(circle at 100% 0%, rgba(164,30,34,.05), transparent 35%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--son); text-decoration: none; transition: color .15s; }
a:hover { color: var(--son-deep); text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin: 1.3em 0 .5em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(1.7rem, 4.2vw, 2.5rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.85rem); }
h3 { font-size: 1.15rem; }
p { margin: .9em 0; }
img, svg { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: .78rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--son); display: inline-flex; align-items: center; gap: 9px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gold); display: inline-block; }

/* ============ HEADER ============ */
.site-header {
  background: linear-gradient(165deg, var(--son) 0%, var(--son-deep) 100%);
  color: var(--cream);
  border-bottom: 3px solid var(--gold);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 18px;
}
.logo { display: flex; align-items: center; gap: 11px; color: var(--cream); }
.logo:hover { text-decoration: none; color: var(--cream); }
.logo-mark {
  width: 42px; height: 42px; flex: none;
  border-radius: 9px; background: var(--paper);
  display: grid; place-items: center;
  box-shadow: inset 0 0 0 2px var(--gold);
}
.logo-mark svg { width: 30px; height: 30px; }
.logo-text { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 800; line-height: 1; }
.logo-text small { display: block; font-family: var(--font-sans); font-size: .66rem; font-weight: 400; color: var(--gold-pale); letter-spacing: .04em; margin-top: 3px; }
.nav-toggle { background: none; border: 1.5px solid rgba(255,255,255,.35); color: var(--cream); width: 42px; height: 38px; border-radius: 8px; font-size: 1.3rem; cursor: pointer; }
.main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--son-deep); border-bottom: 3px solid var(--gold); padding: 6px 0; }
.main-nav.open { display: block; }
.main-nav a { display: block; padding: 13px 24px; color: var(--cream); font-weight: 500; border-bottom: 1px solid rgba(255,255,255,.08); }
.main-nav a:hover { background: rgba(0,0,0,.18); text-decoration: none; color: var(--cream); }
@media (min-width: 880px) {
  .nav-toggle { display: none; }
  .main-nav { display: flex !important; position: static; background: none; border: none; padding: 0; gap: 2px; }
  .main-nav a { padding: 8px 13px; border: none; border-radius: 7px; font-size: .92rem; }
}

/* ============ HERO ============ */
.hero { padding: 30px 0 8px; }
.hero-head { max-width: 760px; margin-bottom: 22px; }
.hero-head h1 { margin: 10px 0 8px; }
.hero-head p { color: var(--ink-soft); font-size: 1.06rem; margin: 0; }
.hero-grid { display: grid; gap: 22px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 920px) { .hero-grid { grid-template-columns: 340px 1fr; } }

/* ============ TỜ LỊCH (signature element) ============ */
.to-lich {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--line);
}
/* mép răng cưa (perforated tear edge) */
.to-lich::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 11px;
  background:
    radial-gradient(circle at 9px 0, transparent 4px, var(--son-deep) 4px) repeat-x;
  background-size: 18px 11px;
  z-index: 2;
}
.tl-band {
  background: linear-gradient(165deg, var(--son) 0%, var(--son-deep) 100%);
  color: var(--gold-pale); text-align: center;
  padding: 18px 16px 12px;
  position: relative;
}
.tl-band .tl-month { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; color: #fff; letter-spacing: .02em; }
.tl-band .tl-year { font-size: .82rem; letter-spacing: .22em; text-transform: uppercase; margin-top: 2px; }
.tl-body { padding: 18px 20px 4px; text-align: center; }
.tl-weekday { font-size: .95rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.tl-weekday.sunday { color: var(--son); }
.tl-bignum { font-family: var(--font-sans); font-weight: 900; font-size: 6.2rem; line-height: .92; color: var(--ink); margin: 2px 0; letter-spacing: -.03em; }
.tl-bignum.sunday { color: var(--son); }
.tl-solar-sub { font-size: .9rem; color: var(--muted); }
.tl-lunar { border-top: 1px dashed var(--line); margin: 14px 16px 0; padding: 14px 0 4px; }
.tl-lunar-label { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
.tl-lunar-date { font-family: var(--font-serif); font-size: 1.55rem; font-weight: 700; color: var(--son); margin: 3px 0 10px; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; }
.tl-tag { background: var(--cream); border: 1px solid var(--line); color: var(--ink-soft); padding: 4px 11px; border-radius: 30px; font-size: .8rem; font-weight: 500; }
.tl-tag.tiet { background: var(--gold-pale); border-color: transparent; }
.tl-quality { margin: 13px 16px 0; padding: 10px; border-radius: var(--radius-sm); font-weight: 600; font-size: .92rem; }
.tl-quality.good { background: var(--jade-pale); color: var(--jade); }
.tl-quality.bad { background: var(--rose-pale); color: var(--son-deep); }
.tl-proverb { background: var(--cream); border-top: 1px solid var(--line); margin-top: 16px; padding: 14px 20px; text-align: center; font-family: var(--font-serif); font-style: italic; color: var(--ink-soft); font-size: .95rem; }
.tl-proverb small { display: block; font-family: var(--font-sans); font-style: normal; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 5px; }

/* ============ MONTH GRID ============ */
.cal { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.cal-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: var(--cream); border-bottom: 1px solid var(--line); }
.cal-title { font-family: var(--font-serif); font-size: 1.18rem; font-weight: 700; color: var(--ink); }
.cal-title span { color: var(--ink-soft); font-size: .82rem; font-weight: 400; font-family: var(--font-sans); display: block; }
.cal-nav { display: flex; gap: 6px; align-items: center; }
.cal-btn { width: 36px; height: 36px; border: 1px solid var(--line); background: var(--paper); border-radius: 8px; cursor: pointer; font-size: 1.1rem; color: var(--son); display: grid; place-items: center; transition: background .15s; }
.cal-btn:hover { background: var(--gold-pale); }
.cal-today-btn { width: auto; padding: 0 13px; font-size: .85rem; font-weight: 600; }
.cal-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); background: var(--son); }
.cal-weekdays div { text-align: center; padding: 8px 0; font-size: .76rem; font-weight: 600; color: var(--gold-pale); letter-spacing: .04em; }
.cal-weekdays div:first-child { color: #fff; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-cell { aspect-ratio: 1 / .92; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 5px 7px; cursor: pointer; position: relative; background: var(--paper); transition: background .12s; display: flex; flex-direction: column; justify-content: space-between; }
.cal-cell:nth-child(7n) { border-right: none; }
.cal-cell:hover { background: var(--gold-pale); }
.cal-cell.empty { background: #fbf8f0; cursor: default; }
.cal-cell.empty:hover { background: #fbf8f0; }
.cal-solar { font-size: 1.02rem; font-weight: 700; color: var(--ink); line-height: 1; }
.cal-cell.sunday .cal-solar { color: var(--son); }
.cal-lunar { font-size: .68rem; color: #8a6d3b; text-align: right; line-height: 1.1; }
.cal-lunar.first { color: var(--son); font-weight: 700; }
.cal-cell.good::after { content: ""; position: absolute; top: 6px; right: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--jade); }
.cal-cell.today { background: var(--son); }
.cal-cell.today .cal-solar { color: #fff; }
.cal-cell.today .cal-lunar { color: var(--gold-pale); }
.cal-cell.today.good::after { background: var(--gold-bright); }
.cal-cell.selected { box-shadow: inset 0 0 0 2.5px var(--gold); z-index: 1; }
.cal-legend { display: flex; flex-wrap: wrap; gap: 16px; padding: 11px 16px; font-size: .8rem; color: var(--ink-soft); border-top: 1px solid var(--line); background: var(--cream); }
.cal-legend span { display: inline-flex; align-items: center; gap: 6px; }
.dot-jade { width: 8px; height: 8px; border-radius: 50%; background: var(--jade); display: inline-block; }
.dot-son { width: 10px; height: 10px; border-radius: 3px; background: var(--son); display: inline-block; }

/* ============ NÊN / KIÊNG ============ */
.advice { display: grid; gap: 14px; grid-template-columns: 1fr; margin: 22px 0; }
@media (min-width: 640px) { .advice { grid-template-columns: 1fr 1fr; } }
.advice-card { border-radius: var(--radius); padding: 18px 20px; border: 1px solid var(--line); background: var(--paper); }
.advice-card h3 { margin: 0 0 10px; font-size: 1.05rem; display: flex; align-items: center; gap: 9px; }
.advice-card.nen { border-left: 4px solid var(--jade); }
.advice-card.nen h3 { color: var(--jade); }
.advice-card.kieng { border-left: 4px solid var(--son); }
.advice-card.kieng h3 { color: var(--son); }
.advice-card ul { margin: 0; padding: 0; list-style: none; }
.advice-card li { padding: 4px 0 4px 22px; position: relative; font-size: .95rem; color: var(--ink-soft); }
.advice-card.nen li::before { content: "✓"; position: absolute; left: 0; color: var(--jade); font-weight: 700; }
.advice-card.kieng li::before { content: "✕"; position: absolute; left: 0; color: var(--son-soft); font-weight: 700; }
.advice-truc { font-size: .82rem; color: var(--muted); margin-top: 10px; }

/* ============ SECTION TITLE ============ */
.section { margin-top: 44px; }
.section-title { margin: 0 0 4px; }
.section-lead { color: var(--ink-soft); margin: 4px 0 18px; max-width: 720px; }

/* ============ TOOL GRID ============ */
.tool-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(225px, 1fr)); }
.tool-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: block; transition: transform .16s, box-shadow .16s, border-color .16s; }
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--gold); text-decoration: none; }
.tool-ico { width: 46px; height: 46px; border-radius: 11px; background: var(--cream); display: grid; place-items: center; margin-bottom: 13px; border: 1px solid var(--line); }
.tool-ico svg { width: 26px; height: 26px; stroke: var(--son); fill: none; stroke-width: 1.7; }
.tool-card h3 { margin: 0 0 5px; font-size: 1.06rem; color: var(--ink); font-family: var(--font-sans); font-weight: 700; }
.tool-card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.5; }

/* ============ CULTURE TILE ============ */
.culture-tile { background: linear-gradient(120deg, var(--cream) 0%, var(--gold-pale) 100%); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; position: relative; overflow: hidden; }
.culture-tile::after { content: "☷"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 5rem; color: rgba(164,30,34,.06); }
.culture-tile .eyebrow { color: var(--son-deep); }
.culture-tile h3 { margin: 9px 0 6px; font-size: 1.3rem; }
.culture-tile p { margin: 0; color: var(--ink-soft); position: relative; z-index: 1; }

/* ============ SEASONAL CONTENT STRIP ============ */
.post-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.post-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--paper); transition: transform .16s, box-shadow .16s; display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); text-decoration: none; }
.post-cover { height: 120px; display: grid; place-items: center; font-size: 3rem; color: #fff; }
.post-cover.c1 { background: linear-gradient(135deg, #8E1B1F, #C24A3E); }
.post-cover.c2 { background: linear-gradient(135deg, #B8860B, #E3C261); }
.post-cover.c3 { background: linear-gradient(135deg, #2F6F4E, #5BA177); }
.post-cover.c4 { background: linear-gradient(135deg, #2C3E66, #5B6FA1); }
.post-body { padding: 15px 17px; flex: 1; display: flex; flex-direction: column; }
.post-tag { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--son); }
.post-body h3 { margin: 6px 0; font-size: 1.08rem; color: var(--ink); }
.post-body p { margin: 0 0 10px; color: var(--muted); font-size: .88rem; flex: 1; }
.post-more { font-size: .88rem; font-weight: 600; color: var(--son); }

/* ============ CLUSTER CARDS ============ */
.cluster-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .cluster-grid { grid-template-columns: 1fr 1fr; } }
.cluster-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; border-top: 4px solid var(--gold); }
.cluster-card h3 { margin: 0 0 8px; font-size: 1.3rem; }
.cluster-card p { color: var(--ink-soft); margin: 0 0 14px; }

/* ============ FORMS ============ */
.tool-form { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin: 22px 0; }
.tool-form label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .92rem; }
.tool-form input, .tool-form select { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; font-size: 1rem; font-family: inherit; background: var(--paper); color: var(--ink); }
.tool-form input:focus, .tool-form select:focus { outline: none; border-color: var(--son); box-shadow: 0 0 0 3px rgba(164,30,34,.14); }
.form-row { display: grid; gap: 12px; margin-bottom: 15px; }
@media (min-width: 600px) { .form-row.cols-2 { grid-template-columns: 1fr 1fr; } .form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; } }
.btn { background: var(--son); color: #fff; border: none; padding: 12px 26px; border-radius: 9px; font-size: 1rem; font-weight: 600; cursor: pointer; font-family: inherit; transition: background .15s; }
.btn:hover { background: var(--son-deep); }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: #A8842F; }

/* ============ RESULT / BADGE / DISCLAIMER ============ */
.result-box { background: var(--paper); border-left: 4px solid var(--gold); border-radius: 9px; padding: 18px 20px; margin-top: 16px; box-shadow: var(--shadow-sm); }
.result-box h3 { margin-top: 0; color: var(--son); }
.badge { display: inline-block; padding: 4px 12px; border-radius: 30px; font-size: .85rem; font-weight: 600; }
.badge.good { background: var(--jade-pale); color: var(--jade); }
.badge.bad { background: var(--rose-pale); color: var(--son-deep); }
.disclaimer { background: #FEF7E8; border: 1px solid var(--gold-pale); border-radius: 11px; padding: 14px 18px; font-size: .88rem; color: var(--ink-soft); margin: 22px 0; }
.disclaimer strong { color: var(--son); }

/* ============ ARTICLE ============ */
.article { background: var(--paper); padding: 26px; border-radius: var(--radius); margin: 20px 0; border: 1px solid var(--line); }
.article > h2:first-child, .article > h1:first-child { margin-top: 0; }
.article p { margin: 1em 0; }
.article ul, .article ol { padding-left: 24px; }
.article li { margin: 5px 0; }
.article blockquote { border-left: 3px solid var(--gold); background: var(--cream); padding: 14px 18px; margin: 18px 0; font-family: var(--font-serif); font-style: italic; color: var(--ink-soft); border-radius: 0 9px 9px 0; }
.article table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: .94rem; }
.article th, .article td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.article th { background: var(--gold-pale); color: var(--ink); }
.lead { font-size: 1.08rem; color: var(--ink-soft); }

/* ============ BREADCRUMB ============ */
.breadcrumb { font-size: .86rem; color: var(--muted); padding: 16px 0 4px; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb span { margin: 0 7px; color: var(--line); }

/* ============ FOOTER ============ */
.site-footer { background: linear-gradient(180deg, #2A2018 0%, #1C150F 100%); color: var(--cream); padding: 44px 0 22px; margin-top: 64px; border-top: 4px solid var(--gold); }
.site-footer h4 { color: var(--gold-bright); margin: 0 0 12px; font-size: .92rem; text-transform: uppercase; letter-spacing: .1em; font-family: var(--font-sans); }
.site-footer a { color: var(--gold-pale); display: block; padding: 4px 0; font-size: .92rem; }
.site-footer a:hover { color: #fff; }
.footer-cols { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.site-footer .copyright { border-top: 1px solid rgba(255,255,255,.1); margin-top: 28px; padding-top: 16px; font-size: .84rem; color: var(--muted); text-align: center; }

/* ============ UTILS ============ */
.text-center { text-align: center; }
.text-muted { color: var(--muted); }
.mt-0 { margin-top: 0 !important; }
.grid-2 { display: grid; gap: 16px; }
@media (min-width: 600px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* ============ A11Y ============ */
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ============ TƯƠNG THÍCH TRANG CON (legacy) ============ */
/* .today-card — thẻ thông tin ngày trên các trang công cụ */
.today-card { background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--son); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); margin: 20px 0; }
.today-card .solar { font-size: .9rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.today-card .solar-date { font-family: var(--font-sans); font-size: 2.4rem; font-weight: 900; color: var(--ink); margin: 4px 0; letter-spacing: -.02em; }
.today-card .weekday { display: inline-block; background: var(--son); color: #fff; padding: 4px 13px; border-radius: 30px; font-size: .85rem; }
.today-card .lunar-block { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.today-card .lunar-date { font-family: var(--font-serif); font-size: 1.5rem; color: var(--son); font-weight: 700; }
.today-card .canchi { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.today-card .canchi span { background: var(--cream); border: 1px solid var(--line); color: var(--ink-soft); padding: 5px 12px; border-radius: 30px; font-size: .82rem; }
.today-card .badge { margin-top: 8px; }

/* .icon — biểu tượng emoji trên thẻ công cụ ở trang trụ cụm */
.tool-card .icon { font-size: 1.9rem; margin-bottom: 10px; line-height: 1; }

/* .section-title cũ trên trang con — thêm vạch vàng cho đồng bộ */
.article + .section-title, h2.section-title { position: relative; }

/* Icon search trong menu */
.main-nav .nav-search{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  margin-left:6px;
  transition:all .18s ease;
  vertical-align:middle;
}
.main-nav .nav-search:hover{
  background:#fff;
  color:#A41E22 !important;
}
.main-nav .nav-search svg{
  display:block;
}

/* Fix: icon search nam cung hang menu, khong xuong dong */
.main-nav{
  align-items:center;
}
.main-nav .nav-search{
  width:32px;
  height:32px;
  padding:0;
  margin-left:4px;
  flex-shrink:0;
}
.main-nav .nav-search svg{
  width:18px;
  height:18px;
}

/* === FIX CUOI: icon search cung hang menu desktop === */
@media (min-width: 880px){
  .main-nav{ align-items:center; }
  .main-nav a.nav-search{
    display:inline-flex !important;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    padding:0 !important;
    border-radius:50% !important;
    background:rgba(255,255,255,.14);
    flex:0 0 auto;
  }
  .main-nav a.nav-search:hover{
    background:#fff;
    color:var(--son-deep) !important;
  }
  .main-nav a.nav-search svg{
    width:18px; height:18px; display:block;
  }
}

/* === FIX MOBILE: icon search thanh dong menu day du === */
@media (max-width: 879px){
  .main-nav a.nav-search{
    display:flex !important;
    align-items:center;
    width:auto !important;
    height:auto !important;
    border-radius:0 !important;
    background:none !important;
    padding:13px 24px !important;
    gap:10px;
  }
  .main-nav a.nav-search::after{
    content:"Tìm kiếm";
    font-weight:500;
  }
  .main-nav a.nav-search svg{
    width:20px; height:20px;
  }
}

/* === DROPDOWN MENU === */
.nav-dropdown{position:relative;display:inline-block}
.nav-drop-trigger{cursor:pointer}
.nav-drop-menu{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid #e0d4b8;border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,.12);min-width:200px;z-index:100;padding:6px 0;margin-top:4px}
.nav-dropdown:hover .nav-drop-menu,.nav-dropdown:focus-within .nav-drop-menu{display:block}
.nav-drop-menu a{display:block;padding:9px 16px;color:#3a2410 !important;text-decoration:none;font-size:.92em;border-radius:0;background:none !important}
.nav-drop-menu a:hover{background:#fdf2e0 !important;color:#A41E22 !important}
@media (max-width:768px){
  .nav-dropdown{display:block;width:100%}
  .nav-drop-menu{position:static;display:block;box-shadow:none;border:none;background:transparent;margin-left:14px}
  .nav-drop-menu a{color:#fff !important;font-size:.88em;padding:6px 10px}
  .nav-drop-menu a:hover{background:rgba(255,255,255,.1) !important;color:#FFD700 !important}
}

/* === DANH DAU NGAY LE TREN LICH === */
.cal-cell.has-le{position:relative}
.cal-le{display:block;font-size:.62em;line-height:1.1;margin-top:2px;padding:1px 3px;border-radius:4px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.cal-cell.le-tet .cal-le{background:#A41E22;color:#fff}
.cal-cell.le-le-lon .cal-le{background:#D4671E;color:#fff}
.cal-cell.le-le .cal-le{background:#fdf2e0;color:#A41E22}
.cal-cell.le-duong .cal-le{background:#e8f0e0;color:#5A8F3A}
.cal-cell.has-le .cal-solar{font-weight:700}
/* Legend chu thich */
.cal-legend{display:flex;flex-wrap:wrap;gap:8px 14px;margin:12px 0 4px;font-size:.78em;color:#7a6a50;justify-content:center}
.cal-legend span{display:flex;align-items:center;gap:5px}
.cal-legend i{width:11px;height:11px;border-radius:50%;display:inline-block}
.lg-good{background:#5A8F3A}
.lg-tet{background:#A41E22}
.lg-lelon{background:#D4671E}
.lg-today{background:#3a2410;border:2px solid #FFD700}

/* === FIX HIEN NGAY LE - PRIORITY CAO === */
.cal-cell.has-le {
  background: #fff5e6 !important;
  border: 2px solid #D4671E !important;
}
.cal-cell.le-tet {
  background: #A41E22 !important;
}
.cal-cell.le-tet .cal-solar,
.cal-cell.le-tet .cal-lunar {
  color: #fff !important;
}
.cal-cell .cal-le {
  display: block !important;
  font-size: 9px !important;
  line-height: 1.1 !important;
  margin-top: 2px !important;
  padding: 1px 3px !important;
  background: #A41E22 !important;
  color: #fff !important;
  border-radius: 3px !important;
  font-weight: 600 !important;
  text-align: center !important;
  overflow: hidden !important;
  white-space: nowrap !important;
  text-overflow: ellipsis !important;
}
.cal-cell.le-tet .cal-le {
  background: #FFD700 !important;
  color: #A41E22 !important;
}

/* Khi co ngay le, giu so to ro */
.cal-cell.has-le .cal-solar {
  font-size: 1.1em !important;
  font-weight: 700 !important;
  color: #3a2410 !important;
}
.cal-cell.le-tet .cal-solar {
  color: #fff !important;
}