:root {
  --bg: #090c12;
  --bg2: #0d121b;
  --panel: #121925;
  --panel2: #1a2330;
  --border: #232f40;
  --border2: #2e3c52;
  --text: #eaf0f7;
  --muted: #8a98ab;
  --faint: #5d6a7d;
  --accent: #f5b50a;
  --accent2: #ffd24d;
  --blue: #5b8cff;
  --green: #2ec27e;
  --red: #ff6b6b;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-sm: 0 4px 14px -6px rgba(0,0,0,.5);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 460px at 78% -8%, rgba(245,181,10,.10), transparent 60%),
    radial-gradient(900px 420px at 8% -6%, rgba(91,140,255,.10), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

/* ---------- Icon vector ---------- */
.ic { width: 1.05em; height: 1.05em; flex: none; vertical-align: -.16em; }
.ic-lg { width: 22px; height: 22px; }
.actions a, .socials a, .badge, .contact .ct, .mark-contact, .logout-btn { display: inline-flex; align-items: center; gap: 6px; }
.badge { gap: 4px; }

/* ---------- Thanh trên cùng ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(9,12,18,.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 19px; letter-spacing: -.2px; }
.brand-logo {
  width: 34px; height: 34px; display: grid; place-items: center; font-size: 18px;
  color: var(--accent);
  background: linear-gradient(140deg, rgba(245,181,10,.22), rgba(245,181,10,.06));
  border: 1px solid rgba(245,181,10,.32); border-radius: 10px;
}
.search-ic { color: var(--faint); }
.brand-name { background: linear-gradient(90deg, #fff, #c7d2e0); -webkit-background-clip: text; background-clip: text; color: transparent; }

.user-box { display: inline-flex; align-items: center; gap: 10px; }
.user-phone { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 600; }
.user-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(46,194,126,.16); }
.logout-btn {
  background: var(--panel2); border: 1px solid var(--border2); color: var(--muted);
  padding: 7px 13px; border-radius: 9px; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: .15s;
}
.logout-btn:hover { border-color: var(--red); color: var(--red); background: rgba(255,107,107,.08); }

/* ---------- Hero ---------- */
.hero { padding: 46px 0 34px; }
.hero-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .8px;
  text-transform: uppercase; color: var(--accent);
  background: rgba(245,181,10,.10); border: 1px solid rgba(245,181,10,.22);
  padding: 4px 11px; border-radius: 20px; margin-bottom: 14px;
}
.hero h1 { margin: 0; font-size: 40px; line-height: 1.1; font-weight: 800; letter-spacing: -1px; max-width: 620px; }
.hero h1 .hl { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { color: var(--muted); margin: 12px 0 0; font-size: 16px; max-width: 560px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-weight: 700; font-size: 14.5px; border-radius: 11px; padding: 12px 18px;
  cursor: pointer; text-decoration: none; border: 1px solid transparent; transition: .15s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent2), var(--accent)); color: #2a1d00; box-shadow: 0 8px 20px -8px rgba(245,181,10,.6); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.05); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .55; cursor: progress; box-shadow: none; }
.btn-ghost { background: rgba(91,140,255,.10); color: #9bb8ff; border-color: rgba(91,140,255,.30); }
.btn-ghost:hover { background: rgba(91,140,255,.18); transform: translateY(-1px); }

.scan-status { color: var(--muted); font-size: 13px; margin-top: 14px; min-height: 18px; display: flex; align-items: center; gap: 7px; }
.scan-status:empty { display: none; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 6px 0 24px; }
.stat {
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.stat::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); opacity: .8; }
.stat b { font-size: 26px; font-weight: 800; display: block; line-height: 1.1; }
.stat span { color: var(--muted); font-size: 12.5px; }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 11px; align-items: center; margin: 0 0 22px; }
.search-wrap { position: relative; flex: 1; min-width: 240px; }
.search-ic { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); font-size: 14px; opacity: .7; pointer-events: none; }
.toolbar input[type=search] {
  width: 100%; background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 11px 14px 11px 38px; border-radius: var(--radius-sm); font-size: 14px; transition: .15s;
}
.toolbar input[type=search]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,181,10,.14); }
.toolbar select {
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 11px 12px; border-radius: var(--radius-sm); font-size: 14px; cursor: pointer; transition: .15s;
}
.toolbar select:focus { outline: none; border-color: var(--accent); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; color: var(--muted);
  background: var(--panel); border: 1px solid var(--border); padding: 9px 13px;
  border-radius: 20px; font-size: 13px; cursor: pointer; user-select: none; transition: .15s;
}
.chip:hover { border-color: var(--border2); color: var(--text); }
.chip input { accent-color: var(--accent); cursor: pointer; }
.chip:has(input:checked) { background: rgba(245,181,10,.12); border-color: var(--accent); color: var(--accent2); }

/* ---------- Lưới thẻ coin ---------- */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: .18s; box-shadow: var(--shadow-sm); position: relative;
  display: flex; flex-direction: column;
}
.card:hover { border-color: var(--border2); transform: translateY(-3px); box-shadow: var(--shadow); }
.card-body { padding: 16px 18px; display: flex; flex-direction: column; flex: 1; }

/* Banner demo nổi bật trên đầu thẻ */
.has-demo { border-color: rgba(91,140,255,.45); box-shadow: 0 0 0 1px rgba(91,140,255,.12), var(--shadow-sm); }
.has-demo:hover { border-color: #5b8cff; box-shadow: 0 10px 30px -12px rgba(91,140,255,.45); }
.demo-banner {
  display: flex; align-items: center; gap: 8px; text-decoration: none;
  padding: 9px 16px; font-size: 12.5px; font-weight: 700; letter-spacing: .2px; color: #fff;
  background: linear-gradient(90deg, #3f6fe0, #5b8cff); transition: .15s;
}
.demo-banner .ic:last-child { margin-left: auto; transition: transform .15s; }
.demo-banner:hover { filter: brightness(1.06); }
.demo-banner:hover .ic:last-child { transform: translateX(3px); }

.card .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.sym { font-size: 19px; font-weight: 800; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.name { color: var(--muted); font-size: 13px; margin-top: 2px; }
.badge {
  font-size: 10.5px; padding: 3px 9px; border-radius: 20px; white-space: nowrap; font-weight: 700;
  border: 1px solid var(--border); text-transform: uppercase; letter-spacing: .4px;
}
.badge.chain { background: var(--panel2); color: var(--accent); border-color: rgba(245,181,10,.3); }
.badge.new { background: rgba(46,194,126,.14); color: var(--green); border-color: rgba(46,194,126,.5); }
.badge.demo { background: rgba(91,140,255,.14); color: #9bb8ff; border-color: rgba(91,140,255,.5); }
.badge.done { background: rgba(46,194,126,.18); color: var(--green); border-color: rgba(46,194,126,.6); }

.metrics { display: flex; gap: 10px; margin: 14px 0 0; }
.metrics > div { flex: 1; background: rgba(255,255,255,.02); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 10px; }
.metrics div span { color: var(--faint); font-size: 10px; text-transform: uppercase; letter-spacing: .4px; display: block; margin-bottom: 2px; }
.metrics div b { font-size: 15px; font-weight: 700; }

/* Nút kênh liên hệ — mỗi mạng tách riêng, icon + màu thương hiệu */
.channels { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 0; }
.ch {
  display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
  font-size: 12px; font-weight: 700; color: #fff; padding: 7px 11px;
  border-radius: 9px; border: 1px solid transparent; transition: .15s;
}
.ch .ic { width: 15px; height: 15px; }
.ch.icon-only { padding: 8px; }
.ch:hover { filter: brightness(1.12); transform: translateY(-1px); }
.ch.x   { background: #16181c; border-color: #2f3336; }
.ch.tg  { background: #229ed9; }
.ch.dc  { background: #5865f2; }
.ch.tt  { background: #fe2c55; }
.ch.ig  { background: linear-gradient(45deg, #f09433, #dc2743, #bc1888); }
.ch.web { background: var(--panel2); border-color: var(--border); color: var(--text); }
.card-body .contact.none { display: flex; margin: 12px 0 0; }

/* Hàng địa chỉ ví đầy đủ + nút copy trong thẻ */
.addr-line {
  display: flex; align-items: center; gap: 8px; margin-top: auto;
  background: rgba(255,255,255,.02); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 7px 8px 7px 11px;
}
.addr-full {
  flex: 1; min-width: 0; font-family: ui-monospace, "SF Mono", monospace;
  font-size: 14px; color: var(--text); line-height: 1.5; padding-bottom: 2px;
  white-space: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: thin; scrollbar-color: var(--border2) transparent;
}
.addr-full::-webkit-scrollbar { height: 3px; }
.addr-full::-webkit-scrollbar-track { background: transparent; }
.addr-full::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
.addr-line .copy-addr { width: 30px; height: 30px; flex: none; }
.addr-line .copy-addr .ic { width: 15px; height: 15px; }
.ic-btn.copied { border-color: var(--green); color: var(--green); background: rgba(46,194,126,.14); }

/* Hàng hành động đáy thẻ — luôn nằm dưới cùng, thẳng hàng giữa các thẻ.
   margin-top:auto đặt ở .addr-line nên cả cụm (địa chỉ + nút) bị đẩy xuống đáy. */
.card-foot { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.card-foot .primary {
  flex: 1; justify-content: center; text-decoration: none; font-weight: 700; font-size: 13.5px;
  background: linear-gradient(135deg, var(--accent2), var(--accent)); color: #2a1d00;
  padding: 10px 14px; border-radius: 10px; display: inline-flex; align-items: center; transition: .15s;
}
.card-foot .primary:hover { filter: brightness(1.05); }
.foot-icons { display: flex; gap: 6px; }
.ic-btn {
  width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 10px;
  color: var(--muted); cursor: pointer; text-decoration: none; transition: .15s;
}
.ic-btn .ic { width: 17px; height: 17px; }
.ic-btn:hover { border-color: var(--border2); color: var(--text); }
.ic-btn.mark-contact:hover:not(.on) { border-color: var(--green); color: var(--green); }
.ic-btn.mark-contact.on { background: rgba(46,194,126,.16); border-color: rgba(46,194,126,.55); color: var(--green); }

/* Khối hành động trang chi tiết */
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.socials { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.socials a {
  font-size: 12px; color: var(--muted); text-decoration: none;
  background: var(--panel2); border: 1px solid var(--border);
  padding: 5px 10px; border-radius: 8px; transition: .15s;
}
.socials a:hover { border-color: var(--accent); color: var(--text); }
.actions a {
  font-size: 12.5px; color: var(--text); text-decoration: none;
  background: var(--panel2); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 9px; font-weight: 600; transition: .15s;
}
.actions a:hover { border-color: var(--border2); }
.actions a.primary { background: linear-gradient(135deg, var(--accent2), var(--accent)); color: #2a1d00; border-color: transparent; }
.actions a.primary:hover { filter: brightness(1.05); }
.actions a.demo { background: rgba(91,140,255,.14); color: #9bb8ff; border-color: rgba(91,140,255,.4); }
.actions a.demo:hover { background: rgba(91,140,255,.24); }

/* Nút "đánh dấu đã liên hệ" — dùng chung ở thẻ và trang chi tiết. */
.mark-contact {
  font-size: 12.5px; color: var(--text); cursor: pointer;
  background: var(--panel2); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 9px; font-weight: 600; transition: .15s;
}
.mark-contact:hover:not(:disabled) { border-color: var(--green); color: var(--green); background: rgba(46,194,126,.08); }
.mark-contact:disabled { opacity: .55; cursor: progress; }
.mark-contact.on { background: rgba(46,194,126,.16); color: var(--green); border-color: rgba(46,194,126,.55); }
.card.contacted { border-color: rgba(46,194,126,.4); }

.addr { font-family: ui-monospace, "SF Mono", monospace; font-size: 11.5px; color: var(--faint); word-break: break-all; margin: 4px 0 14px; }
.empty { text-align: center; color: var(--muted); padding: 56px; font-size: 15px; }
footer { color: var(--faint); font-size: 12.5px; padding: 34px 0; text-align: center; }

/* ---------- Khối liên hệ ---------- */
.contact { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.contact .ct {
  font-size: 12.5px; font-weight: 700; text-decoration: none; color: #fff;
  padding: 8px 13px; border-radius: 9px; border: 1px solid transparent; transition: .15s;
}
.contact .ct.x { background: #1d9bf0; }
.contact .ct.tg { background: #229ed9; }
.contact .ct:hover { filter: brightness(1.1); }
.contact.none { color: var(--faint); font-size: 12px; font-style: italic; }
.contact.big { margin: 6px 0 16px; }
.contact.big .ct { font-size: 14px; padding: 10px 16px; }
.sec-title { font-size: 13px; color: var(--faint); margin: 22px 0 10px; text-transform: uppercase; letter-spacing: .5px; font-weight: 700; }

/* ---------- Trang chi tiết ---------- */
.back { color: var(--muted); text-decoration: none; font-size: 13.5px; display: inline-flex; align-items: center; gap: 5px; }
.back:hover { color: var(--accent); }
.detail { margin-top: 24px; }
.metrics.big { gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.metrics.big > div {
  background: linear-gradient(180deg, var(--panel), var(--bg2)); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 22px; min-width: 140px; flex: 0 1 auto;
}
.metrics.big b { font-size: 24px; font-weight: 800; }
.desc { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; color: var(--muted); }
.panel { background: linear-gradient(180deg, var(--panel), var(--bg2)); border: 1px solid var(--border); border-radius: 12px; padding: 6px 18px; margin: 16px 0; }
.row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.row:last-child { border-bottom: none; }
.row > span { color: var(--muted); }
.addr-row b.addr { display: flex; align-items: center; gap: 8px; text-align: right; }
.addr button { background: var(--panel2); border: 1px solid var(--border); color: var(--text); border-radius: 6px; cursor: pointer; padding: 3px 8px; }
.socials.big { margin: 16px 0; }
.chart { width: 100%; height: 480px; border: 1px solid var(--border); border-radius: 12px; margin-top: 20px; background: var(--panel); }

/* ---------- Popup cài đặt ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(4,7,12,.7); backdrop-filter: blur(4px); }
.modal-card {
  position: relative; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--border2); border-radius: var(--radius); box-shadow: var(--shadow);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--panel); border-radius: var(--radius) var(--radius) 0 0; }
.modal-head h2 { margin: 0; font-size: 18px; font-weight: 800; }
.modal-x { background: none; border: none; color: var(--muted); cursor: pointer; padding: 4px; border-radius: 8px; display: inline-flex; transition: .15s; }
.modal-x:hover { color: var(--red); background: rgba(255,107,107,.08); }
.modal-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 16px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--border); position: sticky; bottom: 0; background: var(--panel); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > label { font-size: 13px; font-weight: 600; color: var(--text); }
.field small { color: var(--faint); font-size: 11.5px; }
.field input[type=number] {
  background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14px; width: 100%;
}
.field input[type=number]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,181,10,.14); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.opt-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.opt {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer; user-select: none;
  background: var(--panel2); border: 1px solid var(--border); color: var(--muted);
  padding: 8px 13px; border-radius: 20px; font-size: 13px; text-transform: capitalize; transition: .15s;
}
.opt input { accent-color: var(--accent); cursor: pointer; }
.opt:has(input:checked) { background: rgba(245,181,10,.12); border-color: var(--accent); color: var(--accent2); }

.switch { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 13.5px; color: var(--text); }
.switch input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; flex: none; }
.switch span { color: var(--muted); }

.settings-msg { margin: 0; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; min-height: 18px; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .hero { padding: 34px 0 26px; }
  .hero h1 { font-size: 30px; }
  .hero-row { align-items: flex-start; }
  .stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 25px; }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .brand-name { font-size: 17px; }
  .field-grid { grid-template-columns: 1fr; }
  #settingsBtn span, #logoutBtn span { display: none; }
}