/* ============================================================
   Bến Hàng Hóa — Dark theme
   Brand: xanh biển (cảng) + vàng ánh kim (hàng hóa)
   ============================================================ */

:root {
  --bg:        #0e1a12;   /* xanh lá rừng gần đen */
  --bg-2:      #15271b;   /* nền panel */
  --bg-3:      #1e3a27;   /* hover / viền sáng */
  --line:      #294b35;   /* đường kẻ */
  --text:      #e9efe5;
  --muted:     #92a895;
  --accent:    #5fb87f;   /* xanh sage thương hiệu */
  --accent-2:  #2f6b43;   /* xanh lá rừng đậm */
  --cream:     #e7e4d3;   /* kem hoài cổ (từ badge) */
  --up:        #3ddc8a;   /* tăng giá */
  --down:      #ff5d73;   /* giảm giá */
  --radius:    12px;
  --shadow:    0 6px 24px rgba(0,0,0,.35);
  --maxw:      1280px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,23,38,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; gap: 22px;
  height: 62px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 20px; color: var(--text);
  letter-spacing: .3px;
}
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent-2), #1769c4);
  box-shadow: inset 0 0 0 1.5px var(--accent);
  font-size: 18px;
}
.brand b { color: var(--accent); }
.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a {
  color: var(--muted); font-weight: 600; font-size: 15px;
  padding: 8px 14px; border-radius: 9px;
}
.nav-links a:hover { color: var(--text); background: var(--bg-2); }
.nav-links a.active { color: var(--bg); background: var(--accent); }

.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 26px; cursor: pointer; }

/* ---------- Ticker tape host ---------- */
.ticker-host { border-bottom: 1px solid var(--line); background: var(--bg-2); }

/* ---------- Hero ---------- */
.hero {
  padding: 40px 0 26px;
  background:
    radial-gradient(900px 280px at 12% -10%, rgba(47,155,255,.18), transparent),
    radial-gradient(700px 240px at 90% -20%, rgba(240,180,41,.12), transparent);
}
.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 10px; line-height: 1.15; }
.hero h1 .hl { color: var(--accent); }
.hero p { color: var(--muted); font-size: 17px; max-width: 640px; margin: 0 0 20px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px; font-weight: 700; font-size: 15px;
  cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #14304f; }
.btn-primary:hover { color: #14304f; filter: brightness(1.07); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { background: var(--bg-2); color: var(--text); }

/* ---------- Section ---------- */
.section { padding: 30px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px; gap: 12px; }
.section-head h2 { font-size: 22px; margin: 0; }
.section-head a { font-size: 14px; font-weight: 600; }

/* ---------- Card grid (home featured) ---------- */
.grid { display: grid; gap: 14px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px;
  box-shadow: var(--shadow);
}
.mini-quote { min-height: 132px; }
.mini-quote .tradingview-widget-container { height: 100%; }

/* ---------- Bảng giá: hybrid layout ---------- */
.price-layout {
  display: grid; grid-template-columns: 360px 1fr; gap: 16px;
  align-items: start;
}
.price-list {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  max-height: 620px; overflow-y: auto;
}
.price-group-title {
  position: sticky; top: 0;
  background: var(--bg-3); color: var(--text);
  font-weight: 700; font-size: 13px; letter-spacing: .4px; text-transform: uppercase;
  padding: 9px 14px; border-bottom: 1px solid var(--line);
}
.price-row {
  display: flex; align-items: center; gap: 10px;
  width: 100%; text-align: left;
  padding: 11px 14px; border: 0; border-bottom: 1px solid var(--line);
  background: transparent; color: var(--text); cursor: pointer; font-size: 15px;
}
.price-row:hover { background: var(--bg-3); }
.price-row.active { background: linear-gradient(90deg, rgba(240,180,41,.18), transparent); box-shadow: inset 3px 0 0 var(--accent); }
.price-row .nm { font-weight: 600; }
.price-row .unit { margin-left: auto; color: var(--muted); font-size: 12px; }
.lim-badge {
  font-size: 10px; font-weight: 700; color: #e3c172;
  background: rgba(224,192,106,.14); border: 1px solid rgba(224,192,106,.3);
  padding: 1px 6px; border-radius: 20px; vertical-align: middle;
}

.chart-panel {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 8px;
  height: 620px;
}
.chart-panel .tradingview-widget-container,
.chart-panel #tv_chart { height: 100% !important; }

/* ---------- Tin tức ---------- */
.news-list { display: grid; gap: 14px; }
.news-item {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px;
  display: grid; grid-template-columns: 1fr auto; gap: 6px 16px;
}
.news-item h3 { margin: 0; font-size: 17px; line-height: 1.4; }
.news-item h3 a { color: var(--text); }
.news-item h3 a:hover { color: var(--accent); }
.news-summary { color: var(--muted); font-size: 14.5px; margin: 4px 0 0; grid-column: 1 / -1; }
.news-meta { color: var(--muted); font-size: 12.5px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.news-time { color: var(--accent); white-space: nowrap; }
.tag {
  font-size: 11.5px; font-weight: 700; color: var(--bg);
  background: var(--accent-2); padding: 2px 8px; border-radius: 20px;
}
.tag.metal { background: var(--accent); }
.tag.energy { background: #ff8a3d; }
.tag.agri { background: var(--up); }
.tag.soft { background: #c084fc; }

.empty-note {
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 26px; text-align: center; color: var(--muted);
}

/* ---------- Notice / disclaimer ---------- */
.notice {
  background: rgba(240,180,41,.08); border: 1px solid rgba(240,180,41,.3);
  color: var(--text); border-radius: 10px; padding: 12px 16px; font-size: 14px;
}
.notice b { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 40px; border-top: 1px solid var(--line);
  background: var(--bg-2); color: var(--muted); font-size: 14px;
}
.site-footer .container { padding: 26px 18px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .price-layout { grid-template-columns: 1fr; }
  .price-list { max-height: 320px; }
  .chart-panel { height: 460px; }
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .nav-links {
    display: none; position: absolute; top: 62px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; border-radius: 8px; }
  .nav-toggle { display: block; margin-left: auto; }
  .grid.cols-4, .grid.cols-3 { grid-template-columns: 1fr; }
}

/* ============================================================
   Brand logo + green-theme refinements + hero banner
   ============================================================ */

/* Header logo image (fallback to favicon.svg via onerror in components.js) */
.brand .logo-img {
  width: 44px; height: 44px; border-radius: 50%; object-fit: cover;
  background: #2e5a3c;
  box-shadow: 0 0 0 1.5px var(--accent), 0 2px 8px rgba(0,0,0,.45);
}

/* Primary button: dark text on sage */
.btn-primary { color: #0e1a12; }

/* Green-tinted hero glow (overridden again by .hero-banner when present) */
.hero {
  background:
    radial-gradient(900px 300px at 12% -10%, rgba(95,184,127,.16), transparent),
    radial-gradient(700px 260px at 90% -20%, rgba(231,228,211,.08), transparent);
}

/* Active price row + notice in brand palette */
.price-row.active {
  background: linear-gradient(90deg, rgba(95,184,127,.18), transparent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.notice { background: rgba(224,192,106,.08); border-color: rgba(224,192,106,.32); }
.notice b { color: #e3c172; }

/* Hero: hiện TRỌN bức ảnh nhận diện, lời giới thiệu nằm bên dưới */
.hero-showcase { padding: 22px 0 4px; }
.hero-showcase .hero-img {
  width: 100%; height: auto; display: block;
  border-radius: 16px; border: 1px solid var(--line);
  box-shadow: 0 14px 50px rgba(0,0,0,.45);
}
.hero-copy { text-align: center; max-width: 720px; margin: 24px auto 0; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--cream); font-weight: 700; font-size: 12.5px;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
  padding: 6px 15px; border: 1px solid rgba(231,228,211,.3); border-radius: 30px;
  background: rgba(12,22,15,.4); backdrop-filter: blur(4px);
}
.hero-copy h1 { font-size: clamp(26px, 3.8vw, 42px); margin: 0 0 12px; line-height: 1.18; }
.hero-copy h1 .hl { color: var(--accent); }
.hero-copy p { color: var(--muted); font-size: 16.5px; margin: 0 auto 18px; }
.hero-copy .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* About page: badge logo on a light card (badge designed for white bg) */
.about-badge {
  display: block; width: 100%; max-width: 420px; margin: 6px auto 30px;
  border-radius: 18px; background: #f6f5ee; padding: 12px;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 14px 44px rgba(0,0,0,.5);
}

@media (max-width: 680px) {
  .hero-showcase .hero-img { border-radius: 12px; }
  .hero-copy { margin-top: 18px; }
}