/* Trang giới thiệu + bảng xếp hạng.
   Bố cục tham khảo Refero: discord.com (hero + khối xen kẽ chữ–hình), Wrike/Intercom app directory (lưới tính năng),
   monday dev (dải CTA cuối trang). */
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 1.25rem; }
.muted { color: var(--muted); }

.topbar { position: sticky; top: 0; z-index: 30; background: rgba(30, 31, 34, .96); backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid rgba(255,255,255,.06); }
.topbar-in { display: flex; align-items: center; gap: 2rem; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; font-family: var(--display); font-weight: 700; font-size: 1.2rem; color: var(--gold-2); }
.brand-mark { width: 36px; height: 36px; flex: none; object-fit: contain; }
.nav { display: flex; gap: 1.6rem; }
.nav a { text-decoration: none; color: var(--text-2); font-weight: 700; font-size: .95rem; }
.nav a:hover { color: var(--text); }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: .8rem; }
.lang { display: inline-flex; background: var(--bg-2); border-radius: 999px; padding: 3px; }
.lang button { background: none; border: 0; padding: .2rem .6rem; border-radius: 999px; font-weight: 900; font-size: .75rem; cursor: pointer; color: var(--muted); }
.lang button[aria-pressed="true"] { background: var(--bg-4); color: var(--text); }
.menu-btn { display: none; background: none; border: 0; color: inherit; padding: .4rem; cursor: pointer; }

.hero { position: relative; overflow: hidden; padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(3.5rem, 7vw, 6rem); color: #fff;
  background: radial-gradient(900px 420px at 80% 0%, rgba(235, 69, 158, .24), transparent 70%),
    radial-gradient(700px 380px at 5% 100%, rgba(226, 96, 86, .08), transparent 70%), #1e1f22; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-logo { display: block; width: min(100%, 440px); height: auto; margin: 0 0 1.2rem -6px; filter: drop-shadow(0 10px 24px rgba(0, 0, 0, .55)); }
.pill { display: inline-flex; align-items: center; gap: .5rem; margin: 0 0 1.4rem; padding: .32rem .8rem .32rem .6rem; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line); color: var(--text-2); font-size: .85rem; font-weight: 700; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(35,165,90,.25); }
.hero h1 { font-family: var(--display); font-size: clamp(2.6rem, 5.6vw, 4.4rem); line-height: 1.06; letter-spacing: -.01em; font-weight: 700; margin: 0 0 1.2rem; text-wrap: balance; }
.lead { font-size: 1.15rem; color: var(--text-2); max-width: 34rem; margin: 0 0 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-facts { list-style: none; display: flex; gap: 2rem; padding: 0; margin: 2.4rem 0 0; color: var(--muted); font-size: .9rem; }
.hero-facts b { display: block; color: var(--text); font-size: 1.5rem; font-weight: 900; letter-spacing: -.02em; }

.dc-window { background: var(--bg-3); border-radius: var(--r-lg); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.06); overflow: hidden; }
.dc-top { display: flex; align-items: center; gap: .45rem; height: 48px; padding: 0 1rem; border-bottom: 1px solid rgba(0,0,0,.35); font-weight: 700; }
.dc-top .hash { color: var(--muted); font-size: 1.4rem; font-weight: 400; }
.dc-topic { margin-left: .6rem; padding-left: .8rem; border-left: 1px solid var(--line); color: var(--muted); font-weight: 400; font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dc-feed { padding: .6rem 0 .4rem; }
.dc-msg { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 1rem; padding: .45rem 1rem; }
.dc-av { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-2); object-fit: cover; }
.av-letter { display: grid; place-items: center; color: #fff; font-weight: 900; }
.dc-name { font-weight: 700; color: #f2f3f5; line-height: 1.3; }
.dc-name time { color: var(--muted); font-weight: 400; font-size: .75rem; margin-left: .5rem; }
.dc-body p { margin: .1rem 0 .3rem; color: #dbdee1; font-size: .95rem; }
.mention { background: rgba(88, 101, 242, .3); color: #c9cdfb; border-radius: 3px; padding: 0 2px; font-weight: 700; }
.role { color: #6fe0ae; font-weight: 700; }
.dc-attach { border-radius: 8px; margin-top: .35rem; max-width: 100%; width: 460px; height: auto; }
.cmd-used span { display: inline-block; background: var(--bg-2); border-radius: 4px; padding: .05rem .4rem; font-family: var(--mono); font-size: .85rem; color: var(--link); }
.dc-input { margin: .2rem 1rem 1rem; height: 44px; border-radius: 8px; background: var(--bg-4); display: flex; align-items: center; gap: .8rem; padding: 0 1rem; color: var(--muted); font-size: .95rem; }
.dc-input .plus { width: 24px; height: 24px; border-radius: 50%; background: #b5bac1; color: var(--bg-4); display: grid; place-items: center; font-weight: 900; }

.story { padding: 2rem 0 1rem; }
.story-row { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; padding-top: clamp(2.5rem, 6vw, 4.5rem); padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.story-row + .story-row { border-top: 1px solid rgba(255,255,255,.05); }
.story-row.flip .story-media { order: 2; }
.story-copy h2 { font-family: var(--display); font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.12; font-weight: 700; color: var(--gold-2); margin: 0 0 1rem; text-wrap: balance; }
.story-copy p { color: var(--text-2); font-size: 1.07rem; max-width: 30rem; margin: 0; }
.dc-card { background: var(--bg-3); border-radius: var(--r-lg); padding: .9rem 0; box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.05); }
.dc-card > .dc-embed, .dc-card > .dc-buttons, .dc-card > .dc-ephemeral { margin-left: 1rem; margin-right: 1rem; }
.struck { text-decoration: line-through; color: var(--muted) !important; }
.dc-embed { display: grid; gap: .2rem; background: var(--bg-2); border-left: 4px solid var(--gold); border-radius: 4px; padding: .7rem .9rem; margin-top: .35rem; max-width: 440px; font-size: .9rem; }
.dc-embed b { color: #fff; }
.dc-embed span { color: #dbdee1; }
.dc-embed.red { border-left-color: var(--red); }
.dc-embed.yt { border-left-color: #ff0033; }
.yt-site { font-size: .75rem; color: var(--muted) !important; }
.yt-thumb { display: grid; place-items: center; aspect-ratio: 16 / 9; margin-top: .5rem; border-radius: 6px; font-style: normal; background: linear-gradient(135deg, #f8b26a 0%, #e05d3a 45%, #6b2a4a 100%); }
.yt-thumb span { width: 54px; height: 38px; border-radius: 10px; background: #ff0033; color: #fff !important; display: grid; place-items: center; }
.dc-buttons { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .7rem; }
.dc-btn { background: #4e5058; color: #fff; padding: .45rem 1rem; border-radius: 4px; font-size: .9rem; font-weight: 700; }
.dc-btn.on { background: var(--green); }
.dc-ephemeral { margin-top: .8rem; padding: .5rem .7rem; border-radius: 4px; background: rgba(235,69,158,.10); color: var(--text-2); font-size: .85rem; }

.section { padding: clamp(3.5rem, 7vw, 5.5rem) 0; }
.section.alt { background: #2b2d31; }
.section-head { max-width: 46rem; margin-bottom: 2.2rem; }
.section-head h2 { font-family: var(--display); font-size: clamp(1.9rem, 3.8vw, 2.8rem); line-height: 1.1; font-weight: 700; margin: 0 0 .7rem; text-wrap: balance; }
.section-head p { color: var(--text-2); margin: 0; font-size: 1.07rem; }

.cat-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.6rem; }
.cat-tabs button { border: 1px solid var(--line); background: transparent; color: var(--text-2); padding: .45rem 1rem; border-radius: 999px; font-weight: 700; font-size: .9rem; cursor: pointer; }
.cat-tabs button:hover { border-color: var(--line-2); color: var(--text); }
.cat-tabs button[aria-selected="true"] { background: var(--gold); color: var(--gold-ink); border-color: var(--gold); }
.plugin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.p-card { display: flex; flex-direction: column; gap: .7rem; padding: 1.3rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r); min-height: 168px; }
.p-ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; }
.p-ico .ico { width: 22px; height: 22px; }
.p-card h3 { margin: 0; font-size: 1.05rem; }
.p-card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.5; }

.cmd-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.cmd-box { padding: 1.3rem 1.4rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r); }
.cmd-box.wide { grid-column: 1 / -1; }
.cmd-box h3 { margin: 0 0 .8rem; font-size: 1rem; }
.cmd-box p { margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.cmd-box code { font-family: var(--mono); font-size: .85rem; padding: .2rem .55rem; border-radius: 6px; background: var(--bg); color: var(--link); border: 1px solid var(--line); }

.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.steps li { counter-increment: s; padding: 1.5rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r); }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--gold); color: var(--gold-ink); font-weight: 900; margin-bottom: 1rem; }
.steps h3 { margin: 0 0 .4rem; font-size: 1.1rem; }
.steps p { margin: 0; color: var(--text-2); font-size: .95rem; }

.cta-band { padding: clamp(3rem, 6vw, 4.5rem) 0; background: radial-gradient(800px 260px at 50% 0%, rgba(235,69,158,.22), transparent 70%), #2b2d31; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.cta-in h2 { margin: 0; font-family: var(--display); font-size: clamp(1.6rem, 3.4vw, 2.4rem); color: var(--gold-2); }
.footer { padding: 2.5rem 0 3rem; background: #1e1f22; }
.footer-in { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; justify-content: space-between; align-items: flex-start; }
.footer p { margin: .6rem 0 0; font-size: .9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-links a { color: var(--text-2); text-decoration: none; font-weight: 700; font-size: .92rem; }

/* bảng xếp hạng (giữ lớp cũ để leaderboard.js chạy) */
.lb-head { max-width: 920px; margin: 0 auto; padding: 3rem 1.25rem 1.5rem; display: flex; gap: 1.2rem; align-items: center; }
.lb-head img, .lb-head .gicon { width: 80px; height: 80px; border-radius: 24px; background: var(--bg-3); flex: none; display: grid; place-items: center; font-size: 2rem; font-weight: 900; color: var(--gold); object-fit: cover; }
.lb-head h1 { font-size: clamp(1.8rem, 4.4vw, 2.8rem); line-height: 1.05; letter-spacing: -.03em; margin: 0; font-weight: 900; }
.lb-head p { margin: .35rem 0 0; color: var(--muted); }
.lb-rewards { max-width: 920px; margin: 0 auto 1.4rem; padding: 0 1.25rem; display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; color: var(--muted); font-size: .9rem; }
.lb-rewards .chip { background: var(--bg-2); border: 1px solid var(--line); padding: .3rem .75rem; border-radius: 999px; color: var(--text-2); }
.lb-sheet { max-width: 920px; margin: 0 auto 3rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.lb-row { display: grid; grid-template-columns: 3rem 44px minmax(0, 1fr) 12rem; gap: 1rem; align-items: center; padding: .75rem 1.2rem; border-bottom: 1px solid var(--line); }
.lb-row:last-child { border-bottom: 0; }
.lb-rank { font-weight: 900; color: var(--muted); text-align: center; }
.lb-row.top .lb-rank { color: var(--gold); }
.lb-row img, .lb-row .av { width: 44px; height: 44px; border-radius: 50%; background: var(--bg-4); object-fit: cover; display: grid; place-items: center; font-weight: 900; }
.lb-name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-meta { font-size: .82rem; color: var(--muted); }
.lb-level { text-align: right; font-size: .85rem; color: var(--muted); }
.lb-level b { color: var(--text); font-size: 1rem; }
.lb-bar { height: 6px; background: var(--bg-4); border-radius: 999px; overflow: hidden; margin-top: .35rem; }
.lb-bar i { display: block; height: 100%; border-radius: 999px; }
.lb-empty { padding: 3rem 1.5rem; text-align: center; color: var(--muted); }
.lb-more { display: flex; justify-content: center; padding: 1rem; border-top: 1px solid var(--line); }

@media (max-width: 960px) {
  .hero-in, .story-row { grid-template-columns: 1fr; }
  .story-row.flip .story-media { order: 0; }
  .steps, .cmd-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; padding: .5rem 1.25rem 1rem; background: var(--bg); border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .nav a { padding: .7rem 0; }
  .menu-btn { display: block; }
  .top-actions .btn { display: none; }
  .dc-topic { display: none; }
  .lb-row { grid-template-columns: 2rem 36px minmax(0, 1fr) 6rem; padding: .6rem .8rem; gap: .6rem; }
}

/* ---------------- ví chung với Bot Đảo Rồng */
.wallet { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.wallet-card img { width: 100%; border-radius: 6px; box-shadow: var(--shadow-lg), 0 0 0 1px rgba(235,69,158,.25); }
.wallet-list { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: .9rem; }
.wallet-list li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: .9rem; align-items: start; }
.wallet-list .ic { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: rgba(235,69,158,.12); border: 1px solid rgba(235,69,158,.45); font-size: 1.1rem; }
.wallet-list b { display: block; color: var(--text); }
.wallet-list span { color: var(--muted); font-size: .95rem; }
.wallet .note { margin-top: 1.4rem; color: var(--muted); font-size: .9rem; font-style: italic; }
@media (max-width: 960px) { .wallet { grid-template-columns: 1fr; } }
.wallet-copy h2 { font-family: var(--display); font-size: clamp(1.9rem, 3.8vw, 2.8rem); line-height: 1.1; margin: 0 0 1rem; color: var(--gold-2); }

/* v2.4: chữ tiêu đề trắng kiểu Discord (đè màu vàng cũ) */
.story-copy h2, .cta-in h2, .wallet-copy h2, .section-head h2, .hero h1 { color: #fff; font-weight: 800; letter-spacing: -.01em; }
.brand { color: #fff; font-weight: 800; }
.hero h1 em, .section-head h2 em { color: var(--pink-2); font-style: normal; }
body.site { background: #313338; }