:root {
  --bg: #04060b;
  --bg2: #070a11;
  --card: #0b0f17;
  --card2: #11151f;
  --border: #1c2432;
  --border2: #2a3547;
  --text: #f4f6fb;
  --muted: #9aa6bb;
  --dim: #66748c;
  --blood: #ff1a2e;
  --blood-glow: rgba(255, 26, 46, 0.55);
  --green: #22c55e;
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background:
    radial-gradient(1100px 500px at 15% -8%, rgba(255, 26, 46, 0.07), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(34, 211, 238, 0.04), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
/* neon strip */
body::before {
  content: "";
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blood), var(--cyan), transparent);
  opacity: .85; z-index: 100; pointer-events: none;
}

.app { display: flex; min-height: 100vh; }

/* ---------------------------------------------------------------- sidebar */
.sidebar {
  width: 216px; flex-shrink: 0;
  background: linear-gradient(180deg, #0a0d15, #070a11);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 20px 14px;
  position: sticky; top: 0; height: 100vh;
}
.brand { font-weight: 800; font-size: 15px; letter-spacing: .2px; line-height: 1.25; display: flex; align-items: center; gap: 9px; padding: 0 8px 22px; }
.logo { color: var(--blood); font-size: 15px; text-shadow: 0 0 14px var(--blood-glow); }

.nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; text-align: left;
  background: transparent; border: none; border-radius: 8px;
  border-left: 2px solid transparent;
  color: var(--muted); font-family: var(--sans); font-size: 14px; font-weight: 500;
  padding: 10px 12px; cursor: pointer; transition: background .12s, color .12s;
}
.nav-item:hover { background: var(--card2); color: var(--text); }
.nav-item.active {
  background: rgba(255, 26, 46, 0.08);
  color: #fff; font-weight: 600;
  border-left: 2px solid var(--blood);
}
.nav-item.active::before { content: "◆"; color: var(--blood); font-size: 9px; text-shadow: 0 0 8px var(--blood-glow); }

.sidebar-foot { padding: 14px 8px 4px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
.side-meta { color: var(--dim); font-size: 11.5px; font-family: var(--mono); }

/* ---------------------------------------------------------------- main */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 14px 24px;
  background: linear-gradient(180deg, #0d111b, #080c14);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 0 rgba(255, 26, 46, 0.18);
  position: sticky; top: 0; z-index: 10;
}
.ticker { display: flex; align-items: baseline; gap: 12px; font-family: var(--mono); }
.pair { font-weight: 700; font-size: 15px; }
.price { font-size: 17px; font-weight: 700; }
.chg { font-size: 13px; font-weight: 600; }
.up { color: var(--green); }
.down { color: var(--blood); }
.badges { display: flex; gap: 8px; align-items: center; }
.badge {
  font-size: 11px; font-weight: 700; letter-spacing: .6px;
  padding: 4px 9px; border-radius: 6px;
  background: var(--card2); color: var(--muted); border: 1px solid var(--border);
  text-transform: uppercase;
}
.badge-paper { color: var(--cyan); border-color: rgba(34, 211, 238, 0.35); background: rgba(34, 211, 238, 0.07); }
.badge-sim { color: #c4b5fd; border-color: rgba(139, 92, 246, 0.45); background: rgba(139, 92, 246, 0.12); }

/* sidebar section labels */
.nav-group { margin: 12px 0 2px; padding: 0 12px; font-size: 10px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--dim); }
.nav-group span { font-weight: 600; letter-spacing: .3px; text-transform: none; color: #a78bfa; margin-left: 4px; }
.nav-group:empty { margin: 6px 0 0; border-top: 1px solid var(--border); }

/* which data am I looking at? */
.acct-banner, .bt-banner { display: block; line-height: 1.7;
  padding: 10px 14px; margin-bottom: 14px; border-radius: 10px; font-size: 13px; color: var(--muted);
  background: var(--card); border: 1px solid var(--border); }
.acct-banner .badge, .bt-banner .badge { margin-right: 8px; vertical-align: 1px; }
.acct-banner { border-left: 3px solid var(--cyan); }
.bt-banner { border-left: 3px solid #8b5cf6; background: rgba(139, 92, 246, 0.06); }
.acct-banner b, .bt-banner b { color: var(--text); }

.content { padding: 22px 24px 60px; max-width: 1500px; width: 100%; }

.panel { display: none; }
.panel.active { display: block; }

/* ---------------------------------------------------------------- stats */
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px;
  position: relative; overflow: hidden;
}
.stat::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--blood); opacity: .35;
}
.stat .label { color: var(--muted); font-size: 11.5px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; }
.stat .value { font-family: var(--mono); font-size: 21px; font-weight: 700; margin-top: 6px; }
.stat .sub { font-size: 12px; color: var(--dim); margin-top: 2px; font-family: var(--mono); }

/* ---------------------------------------------------------------- layout */
.grid-main { display: grid; grid-template-columns: 1fr 380px; gap: 16px; margin-bottom: 16px; }
@media (max-width: 1100px) { .grid-main { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 16px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.card-head .title { font-weight: 700; font-size: 14px; letter-spacing: .2px; display: flex; align-items: center; }
.card-head .title::before {
  content: ""; display: inline-block; width: 3px; height: 12px;
  background: var(--blood); border-radius: 2px; margin-right: 8px;
  box-shadow: 0 0 8px var(--blood-glow);
}
.card-head .sub { color: var(--dim); font-size: 12px; font-family: var(--mono); }
.subhead { color: var(--dim); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin: 14px 0 6px; }

.chart { width: 100%; }
.chart-sm { height: 120px; }
#price-chart { height: 360px; }
#equity-chart { height: 260px; }

/* ---------------------------------------------------------------- signal */
.signal-body { display: flex; flex-direction: column; gap: 10px; }
.sig-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; background: var(--card2); border-radius: 9px; border: 1px solid var(--border); }
.sig-row .k { color: var(--muted); font-size: 12.5px; }
.sig-row .v { font-family: var(--mono); font-weight: 600; font-size: 13px; }
.sig-note { color: var(--muted); font-size: 11.5px; line-height: 1.45; padding: 2px 4px 0; }

.pill { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; letter-spacing: .4px; text-transform: uppercase; }
.pill-buy { background: rgba(34, 197, 94, 0.12); color: var(--green); border: 1px solid rgba(34, 197, 94, 0.4); }
.pill-exit { background: rgba(255, 26, 46, 0.12); color: var(--blood); border: 1px solid rgba(255, 26, 46, 0.45); }
.pill-hold { background: var(--card2); color: var(--muted); border: 1px solid var(--border); }
.pill-bull { background: rgba(34, 197, 94, 0.12); color: var(--green); border: 1px solid rgba(34, 197, 94, 0.4); }
.pill-bear { background: rgba(255, 26, 46, 0.14); color: var(--blood); border: 1px solid rgba(255, 26, 46, 0.5); box-shadow: 0 0 12px rgba(255, 26, 46, 0.22); }

/* ---------------------------------------------------------------- lists */
.list-body { display: flex; flex-direction: column; gap: 8px; }
.list-item { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; background: var(--card2); border-radius: 9px; border: 1px solid var(--border); font-size: 13px; }
.list-item .n { color: var(--muted); font-size: 12.5px; }
.list-item .v { font-family: var(--mono); font-weight: 600; }
.list-item .d { font-size: 11px; color: var(--dim); margin-top: 2px; line-height: 1.35; }

/* ---------------------------------------------------------------- strategies */
.strat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; margin-bottom: 16px; }
.strat-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; display: flex; flex-direction: column; }
.strat-card:hover { border-color: var(--border2); }
.strat-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; gap: 10px; }
.strat-name { font-weight: 700; font-size: 14.5px; }
.strat-family { color: var(--cyan); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 10px; }
.strat-desc { color: var(--muted); font-size: 12.5px; line-height: 1.5; margin-bottom: 12px; flex: 1; }
.strat-params { color: var(--dim); font-size: 11.5px; font-family: var(--mono); border-top: 1px solid var(--border); padding-top: 10px; }

/* ---------------------------------------------------------------- indicators */
.ind-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.ind { background: var(--card2); border: 1px solid var(--border); border-radius: 9px; padding: 9px 11px; }
.ind .k { color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .3px; }
.ind .v { font-family: var(--mono); font-weight: 600; font-size: 15px; margin-top: 4px; }
.ind.cat { grid-column: 1 / -1; background: transparent; border: none; padding: 8px 2px 2px; }
.ind.cat .k { color: var(--blood); font-size: 11.5px; letter-spacing: 1px; }

/* ---------------------------------------------------------------- journal */
.table-wrap { overflow-x: auto; }
table.journal { width: 100%; border-collapse: collapse; font-size: 13px; }
table.journal th { text-align: left; color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.journal td { padding: 9px 10px; border-bottom: 1px solid #141a26; font-family: var(--mono); }
table.journal tr:hover td { background: #0e121c; }
table.journal td.note-cell { font-family: var(--sans); color: var(--muted); }
.pos { color: var(--green); } .neg { color: var(--blood); }
.empty { color: var(--dim); text-align: center; padding: 26px; font-size: 13px; }

/* ---------------------------------------------------------------- lessons */
.lessons-body { display: flex; flex-direction: column; gap: 10px; }
.lesson {
  background: var(--card2); border: 1px solid var(--border); border-radius: 11px;
  padding: 12px 14px;
}
.lesson:hover { border-color: var(--border2); }
.lesson-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 7px; }
.lesson-trade { color: var(--muted); font-size: 12px; font-weight: 600; font-family: var(--mono); }
.lesson-text { color: var(--text); font-size: 13px; line-height: 1.55; }

/* ---------------------------------------------------------------- goals */
.goal-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; align-items: end; }
.goal-field { display: flex; flex-direction: column; gap: 6px; }
.goal-field label { color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.goal-field input {
  background: var(--card2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-family: var(--mono); font-size: 14px; padding: 9px 11px; outline: none;
}
.goal-field input:focus { border-color: var(--blood); box-shadow: 0 0 0 2px rgba(255, 26, 46, 0.15); }
.btn {
  background: linear-gradient(180deg, #ff2b3e, #d41428); border: none; border-radius: 8px;
  color: #fff; font-family: var(--sans); font-size: 13px; font-weight: 700; letter-spacing: .3px;
  padding: 10px 16px; cursor: pointer; transition: filter .12s;
}
.btn:hover { filter: brightness(1.1); }
.progress-track { height: 10px; background: var(--card2); border: 1px solid var(--border); border-radius: 999px; overflow: hidden; margin-top: 6px; }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--blood), var(--cyan)); border-radius: 999px; transition: width .4s ease; }
.progress-labels { display: flex; justify-content: space-between; margin-top: 6px; font-family: var(--mono); font-size: 11px; color: var(--dim); }

/* ---------------------------------------------------------------- mode */
.mode-toggle {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  width: 100%; background: var(--card2); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; cursor: pointer; transition: border-color .12s;
  font-family: var(--sans);
}
.mode-toggle:hover { border-color: var(--border2); }
.mode-label { color: var(--dim); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .3px; }
.badge-live { color: #fff; border-color: rgba(255, 26, 46, 0.6); background: rgba(255, 26, 46, 0.16); box-shadow: 0 0 10px rgba(255, 26, 46, 0.25); }
.exec-controls { display: flex; gap: 10px; }
.settings-group { margin: 16px 0 8px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.settings-group:first-child { margin-top: 4px; }
.btn-ghost { background: var(--card2); color: var(--muted); border: 1px solid var(--border); }

/* ---------------------------------------------------------------- autopilot */
.autopilot { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; }
.ap-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.ap-dot { width: 10px; height: 10px; border-radius: 50%; flex: 0 0 10px; }
.ap-dot.on { background: var(--green); box-shadow: 0 0 10px rgba(34, 197, 94, .7); animation: ap-pulse 2s infinite; }
.ap-dot.off { background: var(--dim); }
@keyframes ap-pulse { 50% { opacity: .45; } }
.ap-title { color: var(--text); font-weight: 700; font-size: 14px; }
.ap-meta { color: var(--muted); font-size: 12px; margin-top: 2px; line-height: 1.45; }
.other-acct { margin: 0 0 14px; padding: 10px 14px; border: 1px solid var(--cyan); border-radius: 10px;
  background: rgba(34, 211, 238, 0.08); color: var(--text); font-size: 13px; }
.other-acct[hidden] { display: none; }
.kill-banner { margin: 0 0 14px; padding: 12px 14px; border: 2px solid var(--blood); border-radius: 10px;
  background: rgba(255, 26, 46, 0.14); color: #fff; font-size: 13px; font-weight: 600; }
.kill-banner[hidden] { display: none; }
.btn-kill { margin-left: auto; background: #8f0a17; border: 1px solid #ff5a68; color: #fff; }
.btn-kill:hover { background: #b00d1c; filter: none; }

/* ---------------------------------------------------------------- login */
.login-overlay { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center;
  background: radial-gradient(900px 500px at 50% 20%, rgba(255, 26, 46, 0.10), transparent 60%), var(--bg); }
.login-overlay.show { display: flex; }
.login-card { width: min(380px, 92vw); background: var(--card); border: 1px solid var(--border2); border-radius: 16px;
  padding: 28px 26px; display: flex; flex-direction: column; gap: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.login-brand { font-weight: 800; font-size: 15px; color: var(--text); letter-spacing: .2px; }
.login-brand span { color: var(--blood); }
.login-title { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .4px; }
.login-card input { background: var(--bg2); border: 1px solid var(--border2); color: var(--text); border-radius: 10px;
  padding: 11px 12px; font-size: 15px; font-family: var(--mono); outline: none; text-transform: none; letter-spacing: 0; }
.login-card input:focus { border-color: var(--blood); }
.login-err { color: var(--blood); font-size: 13px; min-height: 16px; }
.login-submit { width: 100%; padding: 12px; font-size: 15px; }
.login-toggle { color: var(--muted); font-size: 12.5px; text-align: center; text-decoration: none; }
.login-toggle:hover { color: var(--text); }
.logout-btn { margin-top: 10px; width: 100%; background: transparent; border: 1px solid var(--border); color: var(--dim);
  border-radius: 8px; padding: 7px; font-size: 12px; cursor: pointer; font-family: var(--sans); }
.logout-btn:hover { color: var(--text); border-color: var(--border2); }
.btn-ghost:hover { color: var(--text); border-color: var(--border2); filter: none; }

/* ---------------------------------------------------------------- calculator */
.calc-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.calc-tab { padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--card2); color: var(--muted); font-size: 13px; font-weight: 600; cursor: pointer; }
.calc-tab.active { color: var(--text); border-color: var(--border2); background: var(--card); }

/* Backtest module sub-tabs (the only home of simulated data) */
.bt-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.bt-tab { padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--card2); color: var(--muted); font-size: 13px; font-weight: 600; cursor: pointer; }
.bt-tab:hover { color: var(--text); }
.bt-tab.active { color: #e9e3ff; border-color: rgba(139, 92, 246, 0.55); background: rgba(139, 92, 246, 0.14); }
.bt-pane { display: none; }
.bt-pane.active { display: block; }
.bt-pane > .card, .bt-pane > section + section { margin-top: 16px; }
.calc-pane { display: none; }
.calc-pane.active { display: block; }
.calc-bar-row { display: grid; grid-template-columns: 48px 1fr 130px; align-items: center; gap: 10px; margin: 9px 0; }
.calc-bar-track { height: 18px; background: var(--card2); border-radius: 4px; overflow: hidden; }
.calc-bar-fill { height: 100%; background: linear-gradient(90deg, #f59e0b, #ff1a2e); border-radius: 4px; transition: width .3s ease; }
.calc-bar-label { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.calc-bar-val { font-size: 12px; color: var(--text); text-align: right; font-family: var(--mono); }
tr.hl td { background: rgba(34, 211, 238, 0.08); }
.calc-bar-row.hl .calc-bar-val { color: #22d3ee; font-weight: 700; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 820px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; padding: 12px 14px; gap: 10px; }
  .brand { padding: 0 8px 0 0; }
  .nav { flex-direction: row; }
  .sidebar-foot { display: none; }
  .content { padding: 16px; }
}