/* ============================================================
   TERMINAL THEME — shared design system
   Direction: "Top-up Exchange Terminal" — a trading-desk read on
   a game-currency storefront. Denominations behave like listed
   instruments; orders print like terminal receipts.
   Palette: ink/charcoal ground, single amber (currency) accent,
   mint used only for live/success state.
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (data)
   ============================================================ */

:root {
  --ink: #0A0C10;
  --ink-soft: #0D1016;
  --panel: #12151B;
  --panel-2: #171B23;
  --line: #262B35;
  --line-soft: #1B1F28;

  --amber: #E8A93D;
  --amber-soft: rgba(232, 169, 61, 0.14);
  --amber-line: rgba(232, 169, 61, 0.35);

  --mint: #35D0A6;
  --mint-soft: rgba(53, 208, 166, 0.14);

  --danger: #E5595E;
  --danger-soft: rgba(229, 89, 94, 0.14);

  --text: #EDEFF3;
  --text-dim: #8A93A6;
  --text-faint: #545C6C;

  --radius: 14px;
  --radius-sm: 8px;
}

.tk-body {
  background-color: var(--ink);
  background-image:
    linear-gradient(180deg, var(--ink-soft) 0%, var(--ink) 320px),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 3px);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  -webkit-text-size-adjust: 100%;
}

.tk-display { font-family: 'Space Grotesk', sans-serif; }
.tk-mono { font-family: 'IBM Plex Mono', monospace; }

/* ---------- Surfaces ---------- */
.tk-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tk-panel-2 { background: var(--panel-2); }

.tk-inset {
  background: var(--ink-soft);
  border: 1px solid var(--line-soft);
}

/* ---------- Ticker strip (signature element) ---------- */
.tk-ticker-wrap {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}
.tk-ticker-wrap::before,
.tk-ticker-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 24px;
  z-index: 2;
  pointer-events: none;
}
.tk-ticker-wrap::before { left: 0; background: linear-gradient(90deg, var(--panel), transparent); }
.tk-ticker-wrap::after { right: 0; background: linear-gradient(270deg, var(--panel), transparent); }

.tk-ticker-track {
  display: inline-flex;
  white-space: nowrap;
  animation: tk-scroll 32s linear infinite;
  padding: 7px 0;
}
.tk-ticker-wrap:hover .tk-ticker-track { animation-play-state: paused; }

@keyframes tk-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tk-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 18px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  border-right: 1px solid var(--line-soft);
}
.tk-ticker-item .tk-up { color: var(--mint); }

@media (prefers-reduced-motion: reduce) {
  .tk-ticker-track { animation: none; overflow-x: auto; }
}

/* ---------- Top bar ---------- */
.tk-topbar {
  background: rgba(10, 12, 16, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.tk-logo-mark {
  width: 34px; height: 34px;
  background: var(--amber);
  color: var(--ink);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}

.tk-wallet-pill {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.tk-wallet-pill .tk-dot {
  width: 6px; height: 6px; border-radius: 999px; background: var(--mint);
  box-shadow: 0 0 6px var(--mint);
}

.tk-icon-btn {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color .2s ease, color .2s ease;
}
.tk-icon-btn:hover { border-color: var(--amber-line); color: var(--amber); }

/* ---------- Drawer / menu ---------- */
.tk-drawer {
  background: var(--ink-soft);
  border-right: 1px solid var(--line);
}

.tk-drawer-link {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  border: 1px solid transparent;
  transition: all .15s ease;
}
.tk-drawer-link:hover { background: var(--panel-2); color: var(--text); }
.tk-drawer-link.tk-active {
  background: var(--amber-soft);
  border-color: var(--amber-line);
  color: var(--text);
}
.tk-drawer-link.tk-active .tk-idx { color: var(--amber); }

.tk-idx {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--text-faint);
  width: 20px;
}

/* ---------- Bottom nav ---------- */
.tk-bottomnav {
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
}
.tk-nav-item { display: flex; flex-direction: column; align-items: center; gap: 3px; color: var(--text-faint); flex: 1; transition: color .2s; }
.tk-nav-item.tk-active { color: var(--amber); }
.tk-nav-item span { font-size: 9px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }

.tk-fab {
  background: var(--amber);
  color: var(--ink);
  box-shadow: 0 4px 18px rgba(232,169,61,.35);
}

/* ---------- Buttons ---------- */
.tk-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 13px;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  transition: all .15s ease;
  border: 1px solid transparent;
}
.tk-btn-primary { background: var(--amber); color: var(--ink); }
.tk-btn-primary:hover { filter: brightness(1.08); }
.tk-btn-ghost { background: var(--panel-2); border-color: var(--line); color: var(--text); }
.tk-btn-ghost:hover { border-color: var(--amber-line); }
.tk-btn-danger { background: var(--danger-soft); color: var(--danger); border-color: rgba(229,89,94,.3); }

/* ---------- Cards ---------- */
.tk-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s ease, transform .2s ease;
}
.tk-card:hover { border-color: var(--amber-line); transform: translateY(-2px); }

.tk-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- Badges / status ---------- */
.tk-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.tk-badge-success { background: var(--mint-soft); color: var(--mint); }
.tk-badge-pending { background: var(--amber-soft); color: var(--amber); }
.tk-badge-danger { background: var(--danger-soft); color: var(--danger); }
.tk-badge-neutral { background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--line); }

/* ---------- Receipt (order / terminal printout look) ---------- */
.tk-receipt {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
}
.tk-receipt::before {
  content: '';
  position: absolute;
  left: 16px; right: 16px; top: 0;
  border-top: 1px dashed var(--line);
}
.tk-receipt-row { display: flex; justify-content: space-between; font-size: 11px; padding: 6px 0; border-bottom: 1px dashed var(--line-soft); }
.tk-receipt-row:last-child { border-bottom: none; }
.tk-receipt-row .tk-label { color: var(--text-faint); text-transform: uppercase; letter-spacing: .04em; font-size: 10px; }
.tk-receipt-row .tk-value { font-family: 'IBM Plex Mono', monospace; color: var(--text); }

/* ---------- Inputs ---------- */
.tk-input {
  background: var(--ink-soft);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: border-color .15s ease;
}
.tk-input:focus { outline: none; border-color: var(--amber); }
.tk-input::placeholder { color: var(--text-faint); }

/* ---------- Misc ---------- */
.tk-divider { height: 1px; background: var(--line-soft); }
.tk-glow-amber { box-shadow: 0 0 0 1px var(--amber-line), 0 8px 24px rgba(232,169,61,.12); }
.tk-scroll::-webkit-scrollbar { width: 3px; height: 3px; }
.tk-scroll::-webkit-scrollbar-thumb { background: var(--amber-line); border-radius: 10px; }