:root {
  --bg: #0b0e11;
  --panel: #181a20;
  --panel-2: #1e2329;
  --border: #2b3139;
  --text: #eaecef;
  --muted: #848e9c;
  --gold: #f0b90b;
  --gold-soft: rgba(240, 185, 11, 0.14);
  --up: #0ecb81;
  --up-soft: rgba(14, 203, 129, 0.14);
  --down: #f6465d;
  --down-soft: rgba(246, 70, 93, 0.14);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 13px; height: 100%; }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.up { color: var(--up); }
.down { color: var(--down); }
.num { font-family: var(--mono); text-align: right; }

/* Toolbar */
#toolbar {
  height: 52px; background: var(--panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 16px;
  position: sticky; top: 0; z-index: 40;
}
.tb-left, .tb-right { display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; color: var(--text); }
.brand em { font-style: normal; color: var(--gold); margin-left: 2px; }
#main-menu { display: flex; gap: 4px; }
#main-menu a {
  padding: 7px 12px; border-radius: 6px; color: var(--muted); font-weight: 600; font-size: 13px;
}
#main-menu a:hover { color: var(--text); text-decoration: none; background: var(--panel-2); }
#main-menu a.active { color: var(--gold); background: var(--gold-soft); }

.tb-balance {
  font-family: var(--mono); font-weight: 700; font-size: 12.5px;
  padding: 4px 10px; border-radius: 6px; background: var(--up-soft); color: var(--up);
  border: 1px solid rgba(14,203,129,.28);
}
.tb-btn {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 5px 11px; border-radius: 6px; cursor: pointer; font-size: 12px; font-weight: 600;
}
.tb-btn:hover { border-color: var(--gold); color: var(--gold); }
.conn { display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; color: var(--up); }
.conn .dot, .sb-item .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--up); display: inline-block; }
.clock { font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.clock b { color: var(--text); }

/* Main container */
#app-main { min-height: calc(100vh - 80px); padding: 12px; }

/* Panels & Cards */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.panel-head {
  padding: 11px 14px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.panel-head h2 { margin: 0; font-size: 14px; font-weight: 700; }
.panel-body { padding: 14px; }

/* Buttons */
.btn {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 6px; cursor: pointer; font-weight: 600; font-size: 12.5px;
}
.btn:hover { border-color: var(--muted); }
.btn.gold { background: var(--gold); color: #0b0e11; border-color: var(--gold); }
.btn.gold:hover { opacity: .92; }
.btn.green { background: var(--up); color: #0b0e11; border-color: var(--up); }
.btn.red { background: var(--down); color: #fff; border-color: var(--down); }
.btn.sm { padding: 4px 9px; font-size: 11.5px; }

/* Badges */
.badge { display: inline-block; padding: 2px 7px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.badge.win, .badge.up { background: var(--up-soft); color: var(--up); }
.badge.loss, .badge.down { background: var(--down-soft); color: var(--down); }
.badge.gold { background: var(--gold-soft); color: var(--gold); }
.badge.muted { background: var(--panel-2); color: var(--muted); }

/* Tables */
.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tbl th { text-align: left; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 11.5px; }
.tbl th.num { text-align: right; }
.tbl td { padding: 9px 10px; border-bottom: 1px solid rgba(43,49,57,.5); }
.tbl tr:hover td { background: rgba(255,255,255,.02); }

/* Markets Overview */
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 12px; margin-bottom: 12px; }
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 12px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.kpi .k { font-size: 11.5px; color: var(--muted); margin-bottom: 4px; }
.kpi .v { font-family: var(--mono); font-size: 18px; font-weight: 700; }

/* Trading Workspace (Binance-style 3-column + bottom) */
.trade-layout {
  display: grid;
  grid-template-columns: 230px 1fr 240px 290px;
  grid-template-rows: auto 460px 240px;
  gap: 8px;
}
.pair-bar {
  grid-column: 1 / -1; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 14px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.pair-bar .sym-title { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.pair-bar .px-main { font-family: var(--mono); font-size: 18px; font-weight: 700; }
.pair-bar .stat { display: flex; flex-direction: column; font-size: 11px; }
.pair-bar .stat span { color: var(--muted); }
.pair-bar .stat b { font-family: var(--mono); font-size: 12px; margin-top: 2px; }

.pairs-list { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; display: flex; flex-direction: column; overflow: hidden; }
.pairs-search { padding: 8px; border-bottom: 1px solid var(--border); }
.pairs-search input {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 5px; padding: 6px 8px; font-size: 12px;
}
.pairs-scroll { overflow-y: auto; flex: 1; }
.pair-row {
  display: flex; justify-content: space-between; align-items: center; padding: 7px 10px;
  cursor: pointer; border-bottom: 1px solid rgba(43,49,57,.3); font-size: 12px;
}
.pair-row:hover { background: var(--panel-2); }
.pair-row.active { background: var(--gold-soft); }

.chart-box { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; display: flex; flex-direction: column; overflow: hidden; }
.chart-tb {
  padding: 6px 10px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.tf-btns { display: flex; gap: 3px; }
.tf-btns button {
  background: transparent; border: none; color: var(--muted); padding: 4px 8px;
  border-radius: 4px; cursor: pointer; font-size: 11.5px; font-weight: 600;
}
.tf-btns button.active { background: var(--panel-2); color: var(--gold); }
#chart-container { flex: 1; min-height: 0; }

.ob-box { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; display: flex; flex-direction: column; overflow: hidden; }
.ob-head { padding: 8px 10px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: 12px; display: flex; justify-content: space-between; }
.ob-list { flex: 1; overflow: hidden; font-family: var(--mono); font-size: 11.5px; padding: 4px 0; }
.ob-row {
  display: grid; grid-template-columns: 1fr 1fr; padding: 2px 10px; position: relative;
}
.ob-row .bar { position: absolute; top: 0; bottom: 0; right: 0; opacity: .14; pointer-events: none; }
.ob-row.ask .bar { background: var(--down); }
.ob-row.bid .bar { background: var(--up); }
.ob-mid {
  padding: 6px 10px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  font-family: var(--mono); font-size: 14px; font-weight: 700; text-align: center;
}

.order-box { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--bg); padding: 3px; border-radius: 6px; }
.seg button { background: transparent; border: none; color: var(--muted); padding: 7px; border-radius: 5px; cursor: pointer; font-weight: 700; font-size: 12.5px; }
.seg button.active.buy { background: var(--up); color: #0b0e11; }
.seg button.active.sell { background: var(--down); color: #fff; }
.seg button.active.gold { background: var(--panel-2); color: var(--gold); }

.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 11.5px; color: var(--muted); display: flex; justify-content: space-between; }
.field input, .field select {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 8px 10px; font-family: var(--mono); font-size: 13px; width: 100%;
}
.pct-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.pct-row button {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
  border-radius: 4px; padding: 4px; font-size: 11px; cursor: pointer; font-weight: 600;
}
.pct-row button:hover { border-color: var(--gold); color: var(--gold); }

.bottom-box {
  grid-column: 1 / -1; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; display: flex; flex-direction: column; overflow: hidden;
}
.tabs-bar { display: flex; gap: 4px; padding: 6px 12px; border-bottom: 1px solid var(--border); }
.tabs-bar button {
  background: transparent; border: none; color: var(--muted); padding: 6px 12px;
  cursor: pointer; font-weight: 600; font-size: 12.5px; border-radius: 5px;
}
.tabs-bar button.active { color: var(--gold); background: var(--gold-soft); }
.bottom-scroll { flex: 1; overflow: auto; }

/* AI Trading */
.ai-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; margin-bottom: 14px; }
.ai-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.ai-card h3 { margin: 0; font-size: 15px; display: flex; justify-content: space-between; align-items: center; }

/* Multi-Wallet */
.wallets-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
.wallet-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.wallet-card .w-title { font-size: 12px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .4px; }
.wallet-card .w-val { font-family: var(--mono); font-size: 20px; font-weight: 700; margin: 6px 0; }
.asset-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; min-height: 22px; }
.asset-chip { background: var(--gold-soft); color: var(--gold); border: 1px solid rgba(240,185,11,.3); padding: 2px 8px; border-radius: 10px; font-size: 10.5px; font-weight: 600; font-family: var(--mono); }
.iban-box { background: linear-gradient(135deg, #181a20, #1e2329); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 10px; font-size: 12.5px; }
.kv .k { color: var(--muted); }
.kv .v { font-family: var(--mono); word-break: break-all; }

/* Auth Gate & Modal */
#auth-gate, #modal {
  position: fixed; inset: 0; background: rgba(11,14,17,.88); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.auth-card, .modal-card {
  width: 100%; max-width: 440px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 22px; box-shadow: 0 18px 48px rgba(0,0,0,.55);
}
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.auth-brand h1 { margin: 0; font-size: 20px; }
.auth-brand em { font-style: normal; color: var(--gold); }
.auth-brand p { margin: 2px 0 0; font-size: 12px; color: var(--muted); }
.auth-quick {
  width: 100%; padding: 10px; border-radius: 7px; border: 1px solid rgba(240,185,11,.4);
  background: var(--gold-soft); color: var(--gold); font-weight: 700; cursor: pointer; margin-bottom: 12px;
}
.auth-or { text-align: center; color: var(--muted); font-size: 11.5px; margin-bottom: 12px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 12px; }
.auth-tabs button {
  padding: 8px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
  border-radius: 6px; cursor: pointer; font-weight: 600;
}
.auth-tabs button.active { border-color: var(--gold); color: var(--gold); }
.auth-form { display: flex; flex-direction: column; gap: 10px; }
.auth-submit {
  background: var(--gold); color: #0b0e11; border: none; border-radius: 6px;
  padding: 10px; font-weight: 700; cursor: pointer; margin-top: 4px;
}
.auth-err { background: var(--down-soft); color: var(--down); padding: 8px; border-radius: 6px; font-size: 12px; }
.auth-hint { font-size: 11.5px; color: var(--muted); text-align: center; margin-top: 4px; }

/* Status bar & ticker */
#status-bar {
  height: 28px; background: var(--panel); border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 12px;
  font-size: 11px; gap: 14px;
}
.sb-left { display: flex; align-items: center; gap: 14px; white-space: nowrap; }
#ticker-wrap { flex: 1; overflow: hidden; white-space: nowrap; }
#ticker-track { display: inline-flex; gap: 22px; animation: tick 45s linear infinite; }
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Toasts */
#toasts { position: fixed; right: 16px; bottom: 40px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast {
  background: var(--panel-2); border: 1px solid var(--border); border-left: 3px solid var(--gold);
  padding: 10px 14px; border-radius: 6px; font-size: 12.5px; box-shadow: 0 8px 24px rgba(0,0,0,.45);
  transition: opacity .25s;
}
.toast.success { border-left-color: var(--up); }
.toast.error { border-left-color: var(--down); }
.toast.out { opacity: 0; }

/* QR & Crypto Deposit */
.qr-box { text-align: center; padding: 12px; background: #fff; border-radius: 8px; width: 176px; margin: 10px auto; }
.qr-box img { display: block; width: 152px; height: 152px; margin: 0 auto; }

/* NAGA-style Markets sidebar */
.markets-layout { display: grid; grid-template-columns: 190px 1fr; gap: 12px; align-items: start; }
.mk-side { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; position: sticky; top: 64px; }
.mk-side-title { padding: 12px 14px; font-weight: 800; font-size: 14px; border-bottom: 1px solid var(--border); }
.mk-menu { display: flex; flex-direction: column; }
.mk-cat {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px; cursor: pointer; color: var(--muted); font-weight: 600; font-size: 13px;
  border-left: 3px solid transparent;
}
.mk-cat:hover { background: var(--panel-2); color: var(--text); }
.mk-cat.active { background: var(--gold-soft); color: var(--gold); border-left-color: var(--gold); }
.mk-count { font-size: 10.5px; background: var(--panel-2); padding: 1px 6px; border-radius: 8px; }

/* Asset-class chips inside pair pickers */
.pair-cats { display: flex; flex-wrap: wrap; gap: 4px; padding: 8px; border-bottom: 1px solid var(--border); }
.pair-cats button {
  background: var(--bg); border: 1px solid var(--border); color: var(--muted);
  padding: 3px 8px; border-radius: 10px; font-size: 10.5px; font-weight: 700; cursor: pointer;
}
.pair-cats button.active { background: var(--gold-soft); border-color: rgba(240,185,11,.4); color: var(--gold); }

@media (max-width: 1100px) {
  .trade-layout { grid-template-columns: 1fr; grid-template-rows: auto; }
  #chart-container { height: 340px; }
  .wallets-grid, .kpi-row, .hero-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .wallets-grid, .kpi-row, .hero-grid { grid-template-columns: 1fr; }
  #main-menu { overflow-x: auto; }
}