/* ============================================================
   NHZ Midman v2 — Design System (portfolio dark · Kanit)
   Palette: nen #0C0C0C · chu #D7E2EA · nhan bac-xanh #646973 -> #BBCCD7
   Mau semantic (do/xanh) giu nguyen de trang thai van doc duoc.
   ============================================================ */
:root {
  --color-primary: #D7E2EA;
  --color-on-primary: #0C0C0C;
  --color-secondary: #BBCCD7;
  --color-accent: #646973;
  --color-on-accent: #F2F7FA;
  --color-background: #0C0C0C;
  --color-foreground: #ECF1F5;
  --color-card: #121215;
  --color-card-2: #16161A;
  --color-muted: #1C1C21;
  --color-muted-foreground: #8A9099;
  --color-border: #26262B;
  --color-destructive: #EF4444;
  --color-success: #34D399;
  --color-ring: #BBCCD7;

  /* Lop wash bac dung lai nhieu noi — truoc day la rgba gold/slate hardcode */
  --tint-strong: rgba(215, 226, 234, .14);
  --tint: rgba(215, 226, 234, .08);
  --tint-soft: rgba(215, 226, 234, .05);
  --tint-line: rgba(215, 226, 234, .2);
  --line-soft: rgba(215, 226, 234, .1);

  --font-sans: "Kanit", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --space-9: 96px; --space-10: 128px;

  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-full: 999px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, .5), 0 8px 24px rgba(0, 0, 0, .45);
  --shadow-pop: 0 12px 40px rgba(0, 0, 0, .62);
  --trans-fast: 160ms cubic-bezier(.2, .7, .3, 1);
  --trans-med: 240ms cubic-bezier(.2, .7, .3, 1);

  --nav-h: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px; line-height: 1.5;
  color: var(--color-foreground);
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(187, 204, 215, .045), transparent 60%),
    radial-gradient(900px 480px at -10% 0%, rgba(100, 105, 115, .07), transparent 55%),
    var(--color-background);
  min-height: 100vh;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
::selection { background: rgba(187, 204, 215, .28); }

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { width: min(1120px, calc(100% - var(--space-6) * 2)); margin-inline: auto; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.01em; font-weight: 600; }
.display {
  font-size: clamp(2.2rem, 5.2vw, 3.4rem);
  font-weight: 800; letter-spacing: -0.02em; line-height: 1.06;
}
.h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.text-muted { color: var(--color-muted-foreground); }
.mono { font-family: var(--font-mono); font-size: .86em; letter-spacing: 0; }
/* Nhan gradient bac-xanh — cung cong thuc voi .hero-heading */
.grad-gold {
  background: linear-gradient(180deg, #646973 0%, #BBCCD7 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 44px; padding: 0 var(--space-5);
  border-radius: var(--radius-md); border: 1px solid transparent;
  font-weight: 600; font-size: .95rem; white-space: nowrap;
  transition: transform var(--trans-fast), background var(--trans-fast),
              border-color var(--trans-fast), box-shadow var(--trans-fast), opacity var(--trans-fast);
  user-select: none;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn[disabled] { opacity: .55; cursor: not-allowed; pointer-events: none; }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary {
  background: linear-gradient(180deg, #E6EEF4, #BBCCD7);
  color: var(--color-on-primary);
  box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 6px 20px rgba(187,204,215,.14);
}
.btn-primary:hover { filter: brightness(1.06); box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 8px 26px rgba(187,204,215,.22); }

.btn-ghost { background: transparent; border-color: var(--color-border); color: var(--color-foreground); }
.btn-ghost:hover { border-color: var(--color-muted-foreground); background: var(--tint-soft); }

.btn-danger { background: var(--color-destructive); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); }

.btn-accent { background: var(--color-accent); color: var(--color-on-accent); }
.btn-accent:hover { filter: brightness(1.1); }

.btn-lg { min-height: 52px; padding: 0 var(--space-6); font-size: 1.02rem; border-radius: 14px; }
.btn-sm { min-height: 36px; padding: 0 var(--space-4); font-size: .88rem; border-radius: 10px; }
.btn-block { width: 100%; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--trans-med), transform var(--trans-med), box-shadow var(--trans-med);
}
.card-hover:hover { border-color: #3A3A42; transform: translateY(-2px); box-shadow: var(--shadow-card); }
.card-flat { background: var(--color-card-2); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: .78rem; font-weight: 600; letter-spacing: .01em;
  border: 1px solid transparent; white-space: nowrap;
}
.badge svg { width: 13px; height: 13px; }
.badge-gold    { background: var(--tint);            color: var(--color-secondary); border-color: var(--tint-line); }
.badge-purple  { background: rgba(100,105,115,.26);  color: #C6CFD8;                border-color: rgba(100,105,115,.55); }
.badge-green   { background: rgba(52,211,153,.12);  color: var(--color-success);   border-color: rgba(52,211,153,.35); }
.badge-red     { background: rgba(239,68,68,.12);   color: #FCA5A5;                border-color: rgba(239,68,68,.35); }
.badge-gray    { background: rgba(138,144,153,.1);  color: var(--color-muted-foreground); border-color: rgba(138,144,153,.28); }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge .dot.pulse { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- Navbar ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: rgba(12, 12, 12, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { height: 100%; display: flex; align-items: center; gap: var(--space-5); }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.06rem; letter-spacing: -.01em; }
.brand-logo { height: 26px; width: auto; flex: none; display: block; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, #BBCCD7, #646973 70%, #3B3F47);
  display: grid; place-items: center;
  color: var(--color-on-primary); font-weight: 800; font-size: .95rem;
  box-shadow: 0 2px 10px rgba(187,204,215,.2);
}
.nav-links { display: flex; align-items: center; gap: var(--space-1); margin-left: auto; }
.nav-links a {
  padding: 8px 14px; border-radius: 10px; font-size: .9rem; font-weight: 500;
  letter-spacing: .04em; text-transform: uppercase;
  color: #D7E2EA; opacity: .72;
  transition: opacity 200ms ease, background var(--trans-fast);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { opacity: 1; background: var(--tint-soft); }
.nav-cta { display: flex; align-items: center; gap: var(--space-3); margin-left: var(--space-3); }
.nav-user {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 5px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); background: var(--color-card);
  font-size: .88rem; font-weight: 600;
}
.nav-user:hover { border-color: var(--color-muted-foreground); }
.avatar {
  width: 30px; height: 30px; border-radius: 50%; object-fit: cover; flex: none;
  background: var(--color-muted); display: grid; place-items: center;
  font-size: .72rem; font-weight: 700; color: var(--color-secondary);
  overflow: hidden; text-transform: uppercase;
}.avatar img { width: 100%; height: 100%; object-fit: cover; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--color-border); border-radius: 10px; width: 42px; height: 42px; place-items: center; color: var(--color-foreground); }
.mobile-menu {
  display: none; flex-direction: column; gap: 2px;
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: rgba(12,12,12,.97);
}
.mobile-menu a { padding: 12px 10px; border-radius: 10px; font-weight: 500; color: var(--color-muted-foreground); }
.mobile-menu a:hover { background: var(--tint-soft); color: var(--color-foreground); }
.mobile-menu.open { display: flex; }
.mobile-menu-cta { display: flex; gap: 8px; margin-top: 10px; padding-top: 12px; border-top: 1px solid var(--color-border); }
.mobile-menu-cta .btn { flex: 1; justify-content: center; }

@media (max-width: 880px) {
  .nav-links, .nav-cta { display: none; }
  .menu-btn { display: grid; }
}

/* ---------- Hero ---------- */
.hero { padding: var(--space-9) 0 var(--space-8); text-align: center; position: relative; overflow: hidden; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: var(--radius-full);
  border: 1px solid var(--tint-line); background: var(--tint);
  color: var(--color-secondary); font-size: .82rem; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.hero-sub { max-width: 620px; margin: var(--space-4) auto 0; font-size: 1.06rem; }
.hero-actions { display: flex; justify-content: center; gap: var(--space-3); margin-top: var(--space-6); flex-wrap: wrap; }
.hero-trust { display: flex; justify-content: center; gap: var(--space-5); margin-top: var(--space-6); flex-wrap: wrap; color: var(--color-muted-foreground); font-size: .87rem; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 16px; height: 16px; color: var(--color-success); }

/* ---------- Stat strip ---------- */
.stats-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4);
  margin-top: var(--space-7);
}
.stat-cell { text-align: center; padding: var(--space-5) var(--space-3); }
.stat-num { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; letter-spacing: -.02em; color: var(--color-secondary); font-variant-numeric: tabular-nums; }.stat-label { font-size: .84rem; color: var(--color-muted-foreground); margin-top: 4px; }
@media (max-width: 720px) { .stats-strip { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Sections ---------- */
.section { padding: var(--space-9) 0; }
.section-head { max-width: 640px; margin-bottom: var(--space-7); }
.section-head.center { margin-inline: auto; text-align: center; }
.kicker {
  display: inline-block; font-size: .78rem; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: #D7E2EA; opacity: .75;
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  padding: 5px 14px; margin-bottom: var(--space-3);
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.icon-chip {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: var(--space-4);
  background: var(--tint); color: var(--color-secondary);
}
.icon-chip.purple { background: rgba(100,105,115,.3); color: #C6CFD8; }
.icon-chip.green  { background: rgba(52,211,153,.12); color: var(--color-success); }
.icon-chip svg { width: 22px; height: 22px; }

/* Steps */
.step-num {
  width: 34px; height: 34px; border-radius: var(--radius-full);
  display: grid; place-items: center; font-weight: 700; font-size: .95rem;
  background: linear-gradient(180deg, #E6EEF4, #BBCCD7);
  color: var(--color-on-primary); margin-bottom: var(--space-4);
}

/* Coins strip */
.coins-row { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; }
.coin-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); background: var(--color-card);
  font-size: .88rem; font-weight: 600;
}
.coin-dot { width: 18px; height: 18px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: .58rem; font-weight: 800; color: #fff; }
/* Logo brand that (trustwallet/assets) — cung kich co voi coin-dot, nen trang. */
.coin-img { flex: none; border-radius: 50%; object-fit: contain; background: #fff; }
.coin-opt .coin-img { width: 26px; height: 26px; }

/* FAQ */
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-card); overflow: hidden; }
.faq-item + .faq-item { margin-top: var(--space-3); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  padding: var(--space-4) var(--space-5); background: none; border: none;
  font-weight: 600; text-align: left; color: var(--color-foreground);
}
.faq-q svg { width: 18px; height: 18px; flex: none; color: var(--color-muted-foreground); transition: transform var(--trans-med); }
.faq-a { display: none; padding: 0 var(--space-5) var(--space-5); color: var(--color-muted-foreground); }
.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-q svg { transform: rotate(45deg); }

/* ---------- Forms ---------- */
.field { margin-bottom: var(--space-4); }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 6px; }
.input, .select, .textarea {
  width: 100%; min-height: 46px; padding: 10px 14px;
  background: var(--color-card-2); color: var(--color-foreground);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}
.textarea { min-height: 120px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--color-ring);
  box-shadow: 0 0 0 3px rgba(187,204,215,.18);
}
.input::placeholder, .textarea::placeholder { color: #6B7178; }
.hint { font-size: .8rem; color: var(--color-muted-foreground); margin-top: 6px; }
.err { font-size: .84rem; color: #FCA5A5; margin-top: 6px; display: none; }
.err.show { display: block; }

/* Form nhap nhanh trong panel admin: label boc input, tu xep 2-4 cot theo be ngang */
.admin-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--space-4) var(--space-4); }
.admin-form label { display: block; font-size: .82rem; font-weight: 600; color: var(--color-muted-foreground); }
.admin-form input, .admin-form textarea {
  display: block; width: 100%; margin-top: 6px; min-height: 42px; padding: 9px 12px;
  background: var(--color-card-2); color: var(--color-foreground);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  font-size: .92rem; transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}
.admin-form textarea { min-height: 60px; resize: vertical; }
.admin-form input:focus, .admin-form textarea:focus {
  outline: none; border-color: var(--color-ring); box-shadow: 0 0 0 3px rgba(187,204,215,.18);
}
.admin-form input::placeholder, .admin-form textarea::placeholder { color: #6B7178; }
.admin-form-wide { grid-column: 1 / -1; }
.admin-form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.admin-form-actions .err { margin-top: 0; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Auth pages ---------- */
.auth-wrap { min-height: calc(100vh - var(--nav-h)); display: grid; place-items: center; padding: var(--space-7) var(--space-4); }
.auth-card { width: min(420px, 100%); }
.auth-head { text-align: center; margin-bottom: var(--space-6); }
.auth-foot { text-align: center; margin-top: var(--space-5); font-size: .9rem; color: var(--color-muted-foreground); }
.auth-foot a { color: var(--color-secondary); font-weight: 600; }
.auth-foot a:hover { text-decoration: underline; }

/* ---------- App layout (deal/dash/support) ---------- */
.app-main { padding: var(--space-6) 0 var(--space-9); min-height: calc(100vh - var(--nav-h)); }
.page-title { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); flex-wrap: wrap; }

.panel { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.panel-head { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.panel-head b { display: inline-flex; align-items: center; gap: 9px; font-size: .98rem; }
.panel-head svg { width: 18px; height: 18px; flex: none; color: var(--color-secondary); }
.panel-body { padding: var(--space-5); }

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.data th {
  text-align: left; font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--color-muted-foreground); padding: 12px var(--space-5); border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
table.data td { padding: 14px var(--space-5); border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background var(--trans-fast); }
table.data tbody tr:hover { background: var(--tint-soft); }

.empty {
  text-align: center; padding: var(--space-8) var(--space-5); color: var(--color-muted-foreground);
}
.empty svg { width: 44px; height: 44px; margin: 0 auto var(--space-3); opacity: .6; }

/* Deal room */
.deal-grid { display: grid; grid-template-columns: 1fr 340px; gap: var(--space-5); align-items: start; }
@media (max-width: 980px) { .deal-grid { grid-template-columns: 1fr; } }

.timeline { list-style: none; }
.timeline li { display: flex; gap: var(--space-3); position: relative; padding-bottom: var(--space-3); }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: 10px; top: 22px; bottom: 0;
  width: 2px; background: var(--color-border);
}
.timeline li:last-child::before { display: none; }
.tl-dot {
  width: 21px; height: 21px; border-radius: 50%; flex: none; z-index: 1;
  display: grid; place-items: center;
  background: var(--color-muted); border: 1.5px solid var(--color-border); color: var(--color-muted-foreground);
}
.tl-dot svg { width: 11px; height: 11px; }
li.done .tl-dot { background: rgba(52,211,153,.15); border-color: var(--color-success); color: var(--color-success); }
li.now  .tl-dot { background: var(--tint-strong); border-color: var(--color-primary); color: var(--color-secondary); animation: ringpulse 2s ease-in-out infinite; }
@keyframes ringpulse { 0%,100% { box-shadow: 0 0 0 0 rgba(187,204,215,.3); } 50% { box-shadow: 0 0 0 7px rgba(187,204,215,0); } }
.tl-label { font-weight: 600; font-size: .93rem; padding-top: 3px; }
.tl-time { font-size: .78rem; color: var(--color-muted-foreground); margin-top: 2px; }
li.dim .tl-label { color: var(--color-muted-foreground); font-weight: 500; }

.kv { display: flex; justify-content: space-between; gap: var(--space-4); padding: 10px 0; border-bottom: 1px dashed var(--line-soft); font-size: .92rem; }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--color-muted-foreground); flex: none; }
.kv .v { text-align: right; overflow-wrap: break-word; min-width: 0; }
@media (max-width: 480px) { .kv .v { font-size: .86rem; } }

.addr-box {
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--color-card-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-3) var(--space-4);
}
.addr-box code { font-family: var(--font-mono); font-size: .82rem; word-break: break-all; flex: 1; }

.qr-holder {
  width: 168px; height: 168px; margin-inline: auto;
  background: #fff; border-radius: var(--radius-md); padding: 10px;
}
.qr-holder canvas, .qr-holder img { width: 100%; height: 100%; image-rendering: pixelated; }

/* Chat */
.chat-panel { display: flex; flex-direction: column; max-height: 560px; position: sticky; top: calc(var(--nav-h) + var(--space-4)); }
.chat-log { flex: 1; overflow-y: auto; padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); min-height: 220px; }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 14px; font-size: .9rem; display: flex; gap: 8px; align-items: flex-end; }
.msg > div { min-width: 0; }
.msg-av { width: 26px; height: 26px; border-radius: 50%; flex: none; display: grid; place-items: center; background: var(--color-muted); color: var(--color-secondary); font-size: .72rem; font-weight: 700; text-transform: uppercase; }
.msg.me .msg-av { background: rgba(12,12,12,.16); color: inherit; }
.msg-sys { align-self: center; max-width: 92%; text-align: center; font-size: .76rem; color: var(--color-muted-foreground); padding: 2px 8px; }
.msg-sys span { display: inline-block; background: var(--color-muted); border: 1px solid var(--color-border); border-radius: 999px; padding: 4px 12px; }
.msg-meta { font-size: .72rem; color: var(--color-muted-foreground); margin-top: 4px; }
/* Bong bong cua minh: avatar ben phai, chu can le phai. Gop 1 rule — truoc day
   co 2 rule .msg.me trung nhau, rule sau dung bien mau khong ton tai. */
.msg.me {
  align-self: flex-end; flex-direction: row-reverse; text-align: right;
  background: linear-gradient(180deg, #E6EEF4, #BBCCD7);
  color: var(--color-on-primary); border-bottom-right-radius: 4px;
}
.msg.me .msg-meta { color: rgba(12,12,12,.62); }
.msg.them { align-self: flex-start; background: var(--color-muted); border-bottom-left-radius: 4px; }
.chat-form { display: flex; gap: var(--space-2); padding: var(--space-3); border-top: 1px solid var(--color-border); }
.chat-form input { flex: 1; }

/* Coin picker */
.coin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--space-3); }
.coin-opt {
  display: flex; align-items: center; gap: 10px; padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); border: 1px solid var(--color-border);
  background: var(--color-card-2); cursor: pointer; text-align: left; width: 100%;
  transition: border-color var(--trans-fast), background var(--trans-fast), transform var(--trans-fast);
}
.coin-opt:hover { border-color: var(--color-muted-foreground); transform: translateY(-1px); }
.coin-opt.sel { border-color: var(--color-ring); background: var(--tint); box-shadow: 0 0 0 1px var(--color-ring); }
.coin-opt .coin-dot { width: 26px; height: 26px; font-size: .62rem; }
.coin-opt b { display: block; font-size: .92rem; }
.coin-opt small { color: var(--color-muted-foreground); font-size: .76rem; }
.coin-opt.locked { opacity: .55; cursor: not-allowed; border-style: dashed; }
.coin-opt.locked:hover { transform: none; border-color: var(--color-border); }
.coin-opt.locked small { color: var(--color-destructive); font-weight: 600; }

/* Wizard steps */
.wiz-steps { display: flex; gap: var(--space-2); margin-bottom: var(--space-6); flex-wrap: wrap; }
.wiz-step {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px;
  border-radius: var(--radius-full); font-size: .84rem; font-weight: 600;
  border: 1px solid var(--color-border); color: var(--color-muted-foreground); background: var(--color-card);
}
.wiz-step.active { border-color: var(--color-ring); color: var(--color-secondary); background: var(--tint); }
.wiz-step.done { border-color: rgba(52,211,153,.4); color: var(--color-success); }
.wiz-pane { display: none; }
.wiz-pane.active { display: block; }

/* Role picker */
.role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 560px) { .role-grid { grid-template-columns: 1fr; } }
.role-opt {
  padding: var(--space-5); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-card-2);
  cursor: pointer; text-align: center;
  transition: border-color var(--trans-fast), background var(--trans-fast);
}
.role-opt:hover { border-color: var(--color-muted-foreground); }
.role-opt.sel { border-color: var(--color-ring); background: var(--tint); box-shadow: 0 0 0 1px var(--color-ring); }
.role-opt svg { width: 26px; height: 26px; margin: 0 auto var(--space-2); color: var(--color-secondary); }
.role-opt b { display: block; margin-bottom: 4px; }
.role-opt small { color: var(--color-muted-foreground); }

/* Toasts */
.toasts { position: fixed; right: var(--space-4); bottom: var(--space-4); z-index: 200; display: flex; flex-direction: column; gap: 10px; max-width: min(360px, calc(100vw - 32px)); }
.toast {
  display: flex; align-items: flex-start; gap: 10px;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md); padding: 12px 16px;
  box-shadow: var(--shadow-pop); font-size: .9rem;
  animation: toastIn 260ms cubic-bezier(.2,.7,.3,1.2);
}
.toast.ok { border-left-color: var(--color-success); }
.toast.err { border-left-color: var(--color-destructive); }
.toast svg { width: 17px; height: 17px; flex: none; margin-top: 2px; }
/* inline icons trong text — khong cho no phinh to 300x150 */
.hint svg, .kv svg, .card-flat p svg, .panel-body > p svg { width: 15px; height: 15px; display: inline-block; vertical-align: -2px; flex: none; }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }

/* Modal */
.modal-back {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(0,0,0,.7); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: var(--space-4);
  animation: fadeIn 180ms ease;
}
.modal {
  width: min(480px, 100%); background: var(--color-card);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-6); box-shadow: var(--shadow-pop);
  animation: modalIn 220ms cubic-bezier(.2,.7,.3,1.15);
}
.modal h3 { margin-bottom: var(--space-2); }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(.97); } }

/* Footer */
.footer { border-top: 1px solid var(--color-border); padding: var(--space-8) 0 var(--space-6); margin-top: var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-6); }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--color-muted-foreground); margin-bottom: var(--space-4); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: .92rem; }
.footer-links a { color: var(--color-muted-foreground); transition: color var(--trans-fast); }
.footer-links a:hover { color: var(--color-foreground); }
.footer-bottom { margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; font-size: .84rem; color: var(--color-muted-foreground); }

/* Reveal motion (JS adds .in when visible) */
.reveal { opacity: 0; transform: translateY(16px) scale(.985); transition: opacity 420ms cubic-bezier(.2,.7,.3,1), transform 420ms cubic-bezier(.2,.7,.3,1.2); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}


/* ---- OAuth (login/signup) ---- */
.oauth-sep {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 12px;
  color: var(--color-muted-foreground);
  font-size: 0.82rem;
}
.oauth-sep::before,
.oauth-sep::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}
.oauth-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
}
.oauth-row #tgLoginWrap {
  display: flex;
  justify-content: center;
}
.btn-discord {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  border-radius: 10px;
  background: #5865f2;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: filter 0.15s ease;
}
.btn-discord:hover { filter: brightness(1.1); }

/* Tabs admin (user duyet 15/9): moi muc 1 nut, bam la nhay toi muc do.
   Nut active = mau noi bat. Tren mobile tu xuong dong. */
.admin-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 10px 12px; margin-bottom: var(--space-5);
  background: var(--color-card-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); position: sticky; top: 8px; z-index: 20;
  backdrop-filter: blur(8px);
}
.admin-tab { display: inline-flex; align-items: center; gap: 6px; }
.admin-tab.active {
  background: var(--color-primary); color: var(--color-primary-foreground);
  border-color: transparent;
}
/* Chi tiet deal: cho admin xem day du 1 giao dich */
#ddBody .kv { padding: 5px 0; }
#ddBody .dd-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 4px 18px; }
#ddBody .dd-sec { margin-top: 14px; }
#ddBody .dd-sec > b { display: block; margin-bottom: 6px; font-size: .92rem; }