/* Ember Software — mobile-first dark UI.
   Single column <=480px; wider layouts get a centered 900px shell. */

:root {
  --bg: #0d0f14;
  --surface: #151a22;
  --surface-2: #1c2230;
  --border: #2a3140;
  --ink: #e8ebf0;
  --ink-2: #9aa3b2;
  --ink-3: #6b7484;
  --pos: #4ade80;      /* positive PnL */
  --neg: #f87171;      /* negative PnL */
  --ember: #f97316;    /* brand accent */
  --stop: #dc2626;     /* STOP buttons */
  --go: #16a34a;       /* RESTART buttons */
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---------- header ---------- */
#topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: rgba(13, 15, 20, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: 0.02em; display: flex; align-items: center; gap: 8px; }
.ember-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fdba74, var(--ember) 60%, #7c2d12);
  box-shadow: 0 0 8px rgba(249, 115, 22, 0.6);
}
.userbox { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 13px; }
.linkbtn { background: none; border: none; color: var(--ink-3); font-size: 13px; cursor: pointer; padding: 4px; }
.linkbtn:hover { color: var(--ink); }

/* ---------- layout ---------- */
main { max-width: 900px; margin: 0 auto; padding: 16px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.panel-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.panel-head h2 { font-size: 17px; margin: 0; flex: 1; }
.backbtn {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--ink);
  border-radius: 8px; padding: 6px 12px; font-size: 15px; cursor: pointer;
}
.muted { color: var(--ink-2); font-size: 13px; }
.tiny { color: var(--ink-3); font-size: 12px; }

/* ---------- hero stat ---------- */
.hero { text-align: center; padding: 22px 16px; }
.hero .label { color: var(--ink-2); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }
.hero .value { font-size: 44px; font-weight: 750; font-variant-numeric: tabular-nums; margin: 6px 0 2px; }
.hero .sub { color: var(--ink-3); font-size: 13px; }

.pos { color: var(--pos); }
.neg { color: var(--neg); }
.num { font-variant-numeric: tabular-nums; }

/* ---------- stat grid ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 640px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px;
}
.stat .k { color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.stat .v { font-size: 18px; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; }
.stat .d { color: var(--ink-3); font-size: 11px; margin-top: 2px; }

/* ---------- buttons ---------- */
.btn {
  border: none; border-radius: 10px; padding: 12px 20px;
  font-size: 15px; font-weight: 700; cursor: pointer; color: #fff;
  background: var(--surface-2);
}
.btn:active { transform: translateY(1px); }
.btn.stop { background: var(--stop); }
.btn.go { background: var(--go); }
.btn.ghost { background: var(--surface-2); border: 1px solid var(--border); color: var(--ink); }
.btn.big { width: 100%; padding: 16px; font-size: 17px; }
.btn.small { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.btn[disabled] { opacity: 0.55; cursor: wait; }
.btn-row { display: flex; gap: 10px; margin-top: 12px; }
.btn-row .btn { flex: 1; }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 8px; margin: 14px 0; }
.tab {
  flex: 1; text-align: center; padding: 10px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--ink-2); font-weight: 600; cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--surface-2); color: var(--ink); border-color: var(--ember); }

/* ---------- rows / lists ---------- */
.rowlist { display: flex; flex-direction: column; gap: 8px; }
.row {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px; cursor: pointer;
}
.row:hover { border-color: var(--ink-3); }
.row .main { flex: 1; min-width: 0; }
.row .title { font-weight: 650; }
.row .sub { color: var(--ink-3); font-size: 12px; }
.row .pnl { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.chip {
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.chip.run { background: rgba(22, 163, 74, 0.18); color: var(--pos); }
.chip.stopped { background: rgba(220, 38, 38, 0.18); color: var(--neg); }
.chip.stale { background: rgba(249, 115, 22, 0.18); color: var(--ember); }

/* ---------- balance strip ---------- */
.balance-strip {
  position: sticky; top: 52px; z-index: 10;
  display: flex; align-items: baseline; justify-content: space-between;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px; margin-bottom: 12px;
}
.balance-strip .bal { font-size: 24px; font-weight: 750; font-variant-numeric: tabular-nums; }

/* ---------- trades ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.filters select, .filters input[type="date"] {
  background: var(--surface-2); color: var(--ink); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 13px; flex: 1; min-width: 100px;
}
.trade {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 6px; font-size: 13px;
}
.trade .l1 { font-weight: 650; }
.trade .dir-long { color: var(--pos); }
.trade .dir-short { color: var(--neg); }
.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 12px 0; }

/* ---------- login ---------- */
.login-wrap { max-width: 360px; margin: 12vh auto 0; }
.login-wrap h1 { text-align: center; font-size: 24px; margin-bottom: 4px; }
.login-wrap .sub { text-align: center; color: var(--ink-3); margin-bottom: 20px; font-size: 13px; }
.login-wrap input {
  width: 100%; background: var(--surface-2); border: 1px solid var(--border);
  color: var(--ink); border-radius: 10px; padding: 13px 14px; font-size: 16px;
  margin-bottom: 10px;
}
.login-wrap input:focus { outline: none; border-color: var(--ember); }
.err { color: var(--neg); font-size: 13px; min-height: 18px; margin-bottom: 8px; text-align: center; }

/* ---------- modal ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.65); z-index: 40; }
.modal {
  position: fixed; z-index: 41; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: min(92vw, 420px); background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px;
}
.modal h3 { margin: 0 0 8px; }
.modal p { color: var(--ink-2); margin: 0 0 16px; font-size: 14px; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; }

/* ---------- v2: bottom tab bar ---------- */
main { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
#tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; justify-content: space-around;
  background: rgba(13, 15, 20, 0.96); backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
#tabbar button {
  flex: 1; background: none; border: none; cursor: pointer;
  color: var(--ink-3); font-size: 11px; font-weight: 600;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 4px 0; border-radius: 8px;
}
#tabbar button .ticon { font-size: 18px; line-height: 1; }
#tabbar button.active { color: var(--ember); }

/* ---------- v2: amber master stop + warn buttons ---------- */
.btn.warn { background: #d97706; color: #fff; }
.btn.warn:hover { background: #f59e0b; }

/* ---------- v2: period selector (segmented, thumb-friendly) ---------- */
.pselect {
  display: flex; gap: 4px; overflow-x: auto; -webkit-overflow-scrolling: touch;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 20px; padding: 3px; width: max-content; max-width: 100%;
  margin: 8px auto 0;
}
.pselect button {
  border: none; background: none; color: var(--ink-2); font-size: 13px;
  font-weight: 650; padding: 6px 14px; border-radius: 16px; cursor: pointer;
  white-space: nowrap;
}
.pselect button.active { background: var(--ember); color: #fff; }

/* ---------- v2: PnL breakdown tree ---------- */
.bd-tree { margin-top: 10px; text-align: left; }
.bd-row {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 10px; border-radius: 8px; cursor: pointer;
  border: 1px solid transparent;
}
.bd-row:hover { background: var(--surface-2); }
.bd-row .arrow { color: var(--ink-3); width: 14px; font-size: 11px; }
.bd-row .name { flex: 1; font-weight: 600; }
.bd-row.lvl-1 { margin-left: 16px; }
.bd-row.lvl-2 { margin-left: 32px; }
.bd-kids[hidden] { display: none; }

/* ---------- v2: active (open) trades ---------- */
.otrade {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 6px; font-size: 13px;
}
.otrade .l1 { font-weight: 700; }
.otrade .upnl { font-weight: 750; font-variant-numeric: tabular-nums; text-align: right; }
.otrade .src-broker { color: var(--ember); font-size: 10px; font-weight: 700;
  text-transform: uppercase; }

/* ---------- v2: filter chips ---------- */
.chips-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.fchip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface-2); border: 1px solid var(--ember);
  color: var(--ink); font-size: 12px; font-weight: 600;
  border-radius: 16px; padding: 4px 10px; cursor: pointer;
}
.fchip .x { color: var(--ink-3); font-weight: 800; }

/* ---------- v2: report cards ---------- */
.report-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px; margin-bottom: 10px;
}
.report-card h4 { margin: 0 0 8px; }
.report-card .pickers { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.report-card select, .report-card input {
  background: var(--surface); color: var(--ink); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 9px; font-size: 13px;
}
.report-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 6px; font-size: 13px;
}
.report-row .main { flex: 1; min-width: 0; }

/* ---------- v2.1: labeled Filters section ---------- */
.filters-panel {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 10px;
}
.fsec-title {
  font-size: 12px; font-weight: 750; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--ink-2); margin-bottom: 6px;
}
.fsec { margin-bottom: 6px; }
.fsec-label {
  display: block; font-size: 11px; color: var(--ink-3);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px;
}
.filters-panel .filters select, .filters-panel .filters input {
  background: var(--surface);
}

/* ---------- v2.1: strategy chip ---------- */
.schip {
  display: inline-block; font-size: 10px; font-weight: 700;
  background: rgba(148, 163, 184, 0.15); color: var(--ink-2);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 1px 7px; vertical-align: middle;
}

/* ---------- v2.1: portfolio trades expander ---------- */
.expander {
  margin-top: 14px; padding: 11px 12px; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--ink-2); font-weight: 650; font-size: 14px; cursor: pointer;
  text-align: center;
}
.expander:hover { color: var(--ink); border-color: var(--ink-3); }

/* ---------- v2.1: names editor ---------- */
.gearbtn {
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--ink-2); border-radius: 8px; font-size: 15px;
  padding: 4px 10px; cursor: pointer;
}
.gearbtn:hover { color: var(--ink); }
.names-panel .name-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
}
.names-panel .name-row label { flex: 1; font-size: 13px; min-width: 0; }
.names-panel .name-row input {
  flex: 1.4; background: var(--surface); color: var(--ink);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 10px; font-size: 14px;
}
.names-panel .name-row input:focus { outline: none; border-color: var(--ember); }

/* ---------- toast ---------- */
#toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: var(--surface-2); border: 1px solid var(--border); color: var(--ink);
  border-radius: 10px; padding: 10px 18px; font-size: 14px; z-index: 50;
  max-width: 90vw;
}