/* Dark exchange-style theme */
:root {
  /* Binance dark-theme palette */
  --bg: #181a20;          /* page background */
  --bar: #181a20;         /* header */
  --panel: #1e2329;       /* cards / panels */
  --panel-2: #2b3139;     /* inputs, segmented controls, row hover */
  --hover: #474d57;       /* active segment */
  --border: #2b3139;      /* divider lines */
  --line-strong: #474d57; /* input outlines */
  --text: #eaecef;        /* primary text */
  --text-2: #b7bdc6;      /* tertiary text */
  --muted: #848e9c;       /* secondary text */
  --faint: #5e6673;       /* disabled */
  --accent: #fcd535;      /* primary yellow */
  --accent-hover: #f0b90b;
  --accent-ink: #202630;  /* text on yellow */
  --up: #0ecb81;          /* price up / buy text */
  --buy: #2ebd85;         /* buy buttons */
  --down: #f6465d;        /* price down / sell */
  --warn: #f0b90b;
  --binance: #f0b90b;
  --bybit: #ff6b2c;
  --bitget: #22d1ee;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: inherit; text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num, .tk-val, .price, .big { font-variant-numeric: tabular-nums; }
.up { color: var(--up); } .down { color: var(--down); }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px; height: 64px; padding: 0 24px;
  background: var(--bar); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; white-space: nowrap; }
.brand b { color: var(--accent); font-weight: 700; }
.logo { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink); }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--text); font-weight: 500; padding: 21px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a.active { color: var(--accent); border-bottom-color: var(--accent); }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.live { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--up); box-shadow: 0 0 0 0 rgba(14,203,129,.6);
  animation: pulse 2s infinite; }
.live.stale .pulse { background: var(--down); animation: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(14,203,129,.6); } 70% { box-shadow: 0 0 0 8px rgba(14,203,129,0); } 100% { box-shadow: 0 0 0 0 rgba(14,203,129,0); } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }

.toggle { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--muted); }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle .track { width: 34px; height: 18px; border-radius: 9px; background: var(--hover); position: relative; transition: background .15s; }
.toggle .knob { position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--text); transition: transform .15s; }
.toggle input:checked + .track { background: var(--accent); }
.toggle input:checked + .track .knob { transform: translateX(16px); background: var(--accent-ink); }
.toggle input:focus-visible + .track { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- ticker ---------- */
.ticker {
  display: flex; align-items: center; gap: 32px; padding: 14px 24px; overflow-x: auto;
  background: var(--bg); border-bottom: 1px solid var(--border);
}
.pair { display: flex; flex-direction: column; padding-right: 32px; border-right: 1px solid var(--border); }
.pair-name { font-size: 20px; font-weight: 600; }
.tk { display: flex; flex-direction: column; min-width: 120px; }
.tk-label { color: var(--muted); font-size: 12px; }
.tk-val { font-size: 18px; font-weight: 600; }
.tk-sub { color: var(--muted); font-size: 12px; text-transform: capitalize; }

/* ---------- layout ---------- */
main { max-width: 1240px; margin: 0 auto; padding: 20px 24px 48px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
main > *, .grid2 > * { min-width: 0; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px; scroll-margin-top: 80px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
h2 { margin: 0; font-size: 16px; font-weight: 600; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 20px; scroll-margin-top: 80px; }

/* ---------- controls ---------- */
button, select, input {
  font: inherit; color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px; outline: none;
}
input, select { border-color: var(--line-strong); background: transparent; }
input:focus, select:focus { border-color: var(--accent); }
button { cursor: pointer; transition: background .12s, color .12s, border-color .12s; }
button:hover { border-color: var(--line-strong); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-ghost { background: transparent; }
.btn-danger { background: transparent; color: var(--down); border-color: transparent; }
.btn-danger:hover { border-color: var(--down); }

.seg { display: inline-flex; background: var(--panel-2); border-radius: 8px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: transparent; color: var(--muted); padding: 5px 12px; border-radius: 6px; font-weight: 500; }
.seg button:hover { color: var(--text); }
.seg button.on { background: var(--hover); color: var(--text); }
.controls { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- P2P ad list ---------- */
.p2p-bar { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
.side-tabs { display: inline-flex; background: var(--panel-2); border-radius: 8px; padding: 3px; }
.side-tabs button { border: 0; background: transparent; color: var(--muted); padding: 7px 28px; border-radius: 6px; font-weight: 600; }
.side-tabs button.buy.on { background: var(--buy); color: #fff; }
.side-tabs button.sell.on { background: var(--down); color: #fff; }
.asset { font-size: 16px; font-weight: 600; }
.chips { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.chips button { background: transparent; color: var(--muted); border-color: var(--border); border-radius: 999px; padding: 5px 14px; text-transform: capitalize; }
.chips button.on { color: var(--accent); border-color: var(--accent); }

.ad-head, .ad { display: grid; grid-template-columns: 2.2fr 1.3fr 2.2fr 1.6fr; gap: 16px; align-items: center; }
.ad-head { color: var(--muted); font-size: 12px; padding: 0 12px 10px; border-bottom: 1px solid var(--border); }
.ad { padding: 18px 12px; border-bottom: 1px solid var(--border); border-radius: 8px; transition: background .12s; }
.ad:hover { background: var(--panel-2); }
.adv { display: flex; align-items: flex-start; gap: 10px; min-width: 0; }
.avatar { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--hover); color: var(--text); font-size: 12px; font-weight: 600; text-transform: uppercase; }
.adv-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ex-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--muted); text-transform: capitalize; margin-top: 2px; }
.ex-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex: none; }
.price { font-size: 20px; font-weight: 600; }
.price .cur { font-size: 13px; color: var(--muted); margin-right: 3px; font-weight: 500; }
.best-tag { display: inline-block; margin-top: 4px; font-size: 11px; color: var(--accent); border: 1px solid rgba(252,213,53,.4);
  border-radius: 4px; padding: 0 6px; }
.limits { font-size: 13px; }
.limits > div { display: flex; }
.limits .k { color: var(--muted); flex: none; width: 70px; }
.limits .num { white-space: nowrap; }
.pms { display: flex; flex-direction: column; gap: 3px; font-size: 12px; }
.pm { display: flex; align-items: center; gap: 6px; color: var(--text); }
.pm::before { content: ""; width: 3px; height: 12px; border-radius: 2px; background: var(--pm, var(--accent)); flex: none; }
.empty { padding: 40px; text-align: center; color: var(--muted); }
.foot-note { margin-top: 12px; }

/* ---------- exchange cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.card h3 { margin: 0 0 12px; font-size: 15px; display: flex; align-items: center; gap: 8px; text-transform: capitalize; }
.card h3 .state { margin-left: auto; font-size: 12px; font-weight: 500; }
.card .row { display: grid; grid-template-columns: 56px 1fr 1fr; gap: 8px; align-items: baseline; padding: 6px 0; }
.card .side { font-size: 12px; font-weight: 600; }
.card .big { font-size: 22px; font-weight: 600; }
.card .foot { border-top: 1px solid var(--border); margin-top: 10px; padding-top: 10px; font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.card .err-msg { color: var(--down); font-size: 12px; word-break: break-word; margin-top: 6px; }

/* ---------- chart ---------- */
.chart-wrap { position: relative; height: 380px; margin-bottom: 8px; }

/* ---------- alerts ---------- */
.rule-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 8px; }
.rule-form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.rule-form label.grow { flex: 1 1 140px; }
.rule-form input[name=cooldown_sec] { width: 100px; }
.rule-form input, .rule-form select { color: var(--text); }
.msg { min-height: 18px; font-size: 12px; color: var(--muted); }
.msg.ok { color: var(--up); } .msg.err { color: var(--down); }

.table { display: flex; flex-direction: column; }
.trow { display: grid; gap: 10px; align-items: center; padding: 10px 4px; border-bottom: 1px solid var(--border); font-size: 13px; }
.trow.head { color: var(--muted); font-size: 12px; padding-top: 4px; }
.trow.off { opacity: .45; }
#rules .trow { grid-template-columns: 36px 1fr 120px auto; }
#events .trow { grid-template-columns: 130px 1fr 90px 1fr; }
.side-pill { display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 6px; border-radius: 4px; }
.side-pill.BUY { color: var(--up); background: rgba(14,203,129,.12); }
.side-pill.SELL { color: var(--down); background: rgba(246,70,93,.12); }
.row-btns { display: flex; gap: 6px; justify-content: flex-end; }
.row-btns button { padding: 4px 10px; font-size: 12px; }

/* ---------- filters ---------- */
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin: 12px 0 16px; }
.filters fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin: 0; background: var(--panel-2); }
.filters legend { text-transform: capitalize; font-weight: 600; padding: 0 6px; display: flex; align-items: center; gap: 6px; }
.filters .amt { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.filters .amt input { width: 150px; background: var(--panel); }
.pm-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.pm-chip { position: relative; }
.pm-chip input { position: absolute; opacity: 0; pointer-events: none; }
.pm-chip span { display: inline-block; padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px; font-size: 12px; color: var(--muted); cursor: pointer; background: var(--panel); }
.pm-chip input:checked + span { color: var(--accent); border-color: var(--accent); background: rgba(252,213,53,.08); }
.pm-chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }
.row-actions { display: flex; align-items: center; gap: 12px; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav { display: none; }
  .ad-head { display: none; }
  .ad { grid-template-columns: 1fr auto; grid-template-areas: "adv price" "lim lim" "pm pm"; gap: 10px; }
  .ad .adv { grid-area: adv; } .ad .pr { grid-area: price; text-align: right; }
  .ad .limits { grid-area: lim; } .ad .pms { grid-area: pm; flex-direction: row; flex-wrap: wrap; gap: 4px 10px; }
}
@media (max-width: 600px) {
  .topbar { padding: 0 16px; gap: 12px; height: 56px; }
  .toggle-label, .live #updated { display: none; }
  .ticker { padding: 12px 16px; gap: 20px; }
  .pair { padding-right: 20px; }
  main { padding: 16px 16px 40px; gap: 16px; }
  .panel { padding: 16px; }
  .grid2 { grid-template-columns: 1fr; }
  .chips { margin-left: 0; }
  .chart-wrap { height: 280px; }
  #events .trow { grid-template-columns: 1fr auto; }
  #events .trow > :nth-child(4) { grid-column: 1 / -1; color: var(--muted); }
  #rules .trow { grid-template-columns: 28px 1fr auto; }
  #rules .trow > :nth-child(3) { display: none; }
}

/* ---------- login ---------- */
.login-body { min-height: 100vh; display: flex; flex-direction: column;
  background:
    radial-gradient(900px 500px at 15% 20%, rgba(252,213,53,.07), transparent 60%),
    radial-gradient(700px 400px at 90% 90%, rgba(14,203,129,.05), transparent 60%),
    var(--bg); }
.login-main { flex: 1; width: 100%; max-width: 1120px; margin: 0 auto; padding: 48px 24px;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 420px); gap: 64px; align-items: center; }
.login-hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 16px; font-weight: 700; letter-spacing: -.01em; }
.login-hero .hl { color: var(--accent); }
.login-hero > p { font-size: 16px; margin: 0 0 32px; max-width: 480px; }
.login-points { list-style: none; padding: 0; margin: 0 0 36px; display: grid; gap: 18px; }
.login-points li { display: flex; gap: 14px; align-items: flex-start; }
.login-points li div { display: flex; flex-direction: column; gap: 2px; }
.login-points .muted { font-size: 13px; }
.pt-icon { flex: none; width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--panel-2); border: 1px solid var(--border); font-size: 14px; color: var(--accent); }
.pt-icon.up { color: var(--up); } .pt-icon.down { color: var(--down); }
.login-spark { width: 100%; max-width: 480px; height: 110px; display: block; opacity: .9; }

.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 32px;
  box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.login-card h2 { font-size: 24px; margin: 0 0 6px; }
.login-card > p.small { margin: 0 0 24px; }
.login-card code { background: var(--panel-2); border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; font-size: 11px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; font-size: 13px; color: var(--muted); }
.field input { width: 100%; padding: 11px 14px; font-size: 16px; background: var(--panel-2); border-radius: 8px; }
.field input:hover { border-color: var(--faint); }
.field input:focus { border-color: var(--accent); }
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 64px; }
.pw-toggle { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); background: transparent; border: 0;
  color: var(--muted); font-size: 12px; padding: 6px 8px; }
.pw-toggle:hover { color: var(--text-2); }
.btn-block { width: 100%; padding: 12px; font-size: 15px; margin-top: 6px; }
.btn-primary:disabled { opacity: .6; cursor: progress; }
.login-error { background: rgba(246,70,93,.1); border: 1px solid rgba(246,70,93,.35); color: var(--down);
  border-radius: 8px; padding: 10px 12px; font-size: 13px; margin-bottom: 18px; }
.login-foot { margin: 20px 0 0; text-align: center; }

.logout { background: transparent; color: var(--muted); border-color: var(--border); padding: 5px 12px; font-size: 13px; }
.logout:hover { color: var(--text); }

@media (max-width: 900px) {
  .login-main { grid-template-columns: 1fr; gap: 32px; padding: 32px 16px; max-width: 460px; }
  .login-hero h1 { font-size: 28px; }
  .login-points, .login-spark { display: none; }
  .login-hero > p { margin-bottom: 0; }
}
@media (max-width: 600px) {
  .login-card { padding: 24px 20px; }
}

/* ---------- poll interval picker ---------- */
.interval { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); white-space: nowrap; }
.interval select { padding: 4px 8px; font-size: 12px; background: var(--panel-2); }
@media (max-width: 600px) { .interval-label { display: none; } }

/* ---------- pattern tag ---------- */
.pattern-tag { display: inline-block; font-size: 10px; font-weight: 600; color: var(--accent); border: 1px solid rgba(252,213,53,.4);
  border-radius: 4px; padding: 0 5px; margin-right: 2px; }

/* ---------- signed-in user ---------- */
.whoami { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-2); white-space: nowrap; }
.whoami::before { content: ""; width: 22px; height: 22px; border-radius: 50%; background: var(--panel-2);
  border: 1px solid var(--line-strong); }
.whoami[hidden] { display: none; }
@media (max-width: 600px) { .whoami { display: none; } }

/* ---------- price history: one exchange at a time ---------- */
.chart-title { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.ex-tabs { display: flex; gap: 18px; }
.ex-tabs button { background: transparent; border: 0; border-radius: 0; padding: 4px 0; color: var(--muted);
  font-weight: 600; text-transform: capitalize; border-bottom: 2px solid transparent; }
.ex-tabs button:hover { color: var(--text); }
.ex-tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
.chart-stats { display: flex; gap: 28px; flex-wrap: wrap; margin: 4px 0 12px; }
.chart-stats .st { display: flex; flex-direction: column; }
.chart-stats .st-label { font-size: 12px; color: var(--muted); }
.chart-stats .st-val { font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }
.chart-stats .st-chg { font-size: 12px; font-variant-numeric: tabular-nums; }
.chart-legend { display: flex; gap: 20px; flex-wrap: wrap; color: var(--muted); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.lg { display: inline-block; width: 14px; height: 3px; border-radius: 2px; }
.lg.up { background: var(--up); } .lg.down { background: var(--down); }
.lg.gap { height: 10px; background: rgba(132,142,156,.25); }

/* ======================================================================
   Mobile
   ====================================================================== */
.logout { display: inline-flex; align-items: center; gap: 6px; }
.logout[hidden] { display: none; }
.bottom-nav { display: none; }

@media (max-width: 900px) {
  /* App-style bottom tab bar replaces the hidden top nav */
  .bottom-nav {
    display: grid; grid-template-columns: repeat(4, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
    background: var(--bar); border-top: 1px solid var(--border);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    min-height: 56px; font-size: 11px; color: var(--muted); }
  .bottom-nav a.active { color: var(--accent); }
  .bottom-nav svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2;
    stroke-linecap: round; stroke-linejoin: round; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .panel, .grid2, #cards { scroll-margin-top: 72px; }
}

@media (max-width: 600px) {
  /* Top bar: compact */
  .topbar { gap: 10px; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
  .brand { font-size: 16px; gap: 8px; }
  .logo { width: 28px; height: 28px; }
  .top-right { gap: 10px; }
  .logout { padding: 6px 8px; }
  .logout-label { display: none; }

  /* Price strip: everything visible, no sideways scrolling */
  .ticker { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 12px; overflow: visible; }
  .pair { grid-column: 1 / -1; flex-direction: row; align-items: baseline; gap: 10px;
    padding: 0 0 8px; border-right: 0; border-bottom: 1px solid var(--border); }
  .pair-name { font-size: 17px; }
  .tk { min-width: 0; }
  .tk-label, .tk-sub { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .tk-val { font-size: 17px; }

  /* Exchange cards: a bit denser */
  .card { padding: 14px 16px; }
  .card .row { grid-template-columns: 44px 1fr 1fr; }
  .card .big { font-size: 20px; }

  /* Recent alerts: two tidy lines per row instead of a 4-column table */
  #events .trow.head { display: none; }
  #events .trow { grid-template-columns: 1fr auto; grid-template-areas: "mkt price" "trig time"; row-gap: 4px; }
  #events .trow > :nth-child(1) { grid-area: time; text-align: right; }
  #events .trow > :nth-child(2) { grid-area: mkt; }
  #events .trow > :nth-child(3) { grid-area: price; text-align: right; }
  #events .trow > :nth-child(4) { grid-area: trig; grid-column: auto; color: var(--muted); }

  /* Chart controls: full-width segmented rows */
  #history .controls { width: 100%; }
  #rangeSeg { width: 100%; display: grid; grid-template-columns: repeat(6, 1fr); }
  .chart-stats { gap: 16px; }
  .chart-stats .st-val { font-size: 16px; }

  /* iOS zooms into inputs smaller than 16px - keep form controls at 16px */
  input, select, textarea, .interval select { font-size: 16px; }
  .rule-form label { flex: 1 1 calc(50% - 5px); }
  .rule-form label > input[name], .rule-form label > select { width: 100%; }
  .rule-form .btn-primary { flex: 1 1 100%; padding: 10px; }
  .filters .amt { flex-wrap: wrap; }
  .filters .amt input { width: 100%; }
}