:root {
  --night: #181b2e;
  --panel: #20243b;
  --raised: #282d49;
  --line: #2f3556;
  --line-soft: #262b46;
  --ink: #e8ebf7;
  --muted: #9ba2c2;
  --faint: #6d7497;
  --sun: #ffd23f;
  --sun-ink: #2a2206;
  --long: #3dd6a3;
  --short: #ff7a8a;
  --warn: #ffa94d;
  --info: #7cb4ff;

  --font-display: 'Bricolage Grotesque', 'Trebuchet MS', sans-serif;
  --font-body: 'Public Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --r-lg: 18px;
  --r-md: 10px;
  --r-sm: 6px;
  --gap: 16px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--night);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
a { color: var(--sun); }

:focus-visible { outline: 2px solid var(--sun); outline-offset: 2px; border-radius: 4px; }

/* ---------- controles ---------- */
.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--raised);
  color: var(--ink);
  font: 600 14px/1 var(--font-body);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { border-color: var(--faint); }
.btn:disabled { opacity: 0.5; cursor: progress; }
.btn-sun { background: var(--sun); color: var(--sun-ink); border-color: var(--sun); }
.btn-sun:hover { filter: brightness(1.06); border-color: var(--sun); }
.btn-danger { background: transparent; color: var(--short); border-color: color-mix(in srgb, var(--short) 55%, transparent); }
.btn-danger:hover { background: color-mix(in srgb, var(--short) 14%, transparent); border-color: var(--short); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--ink); border-color: var(--line); }
.btn-small { padding: 6px 10px; font-size: 13px; }
.btn-icon { padding: 8px; display: inline-grid; place-items: center; }

input, select, textarea {
  width: 100%;
  background: var(--night);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font: 15px/1.4 var(--font-body);
  font-variant-numeric: tabular-nums;
}
input:focus, select:focus, textarea:focus { border-color: var(--sun); outline: none; }
textarea { resize: vertical; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 500; }

.seg { display: inline-flex; background: var(--night); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.seg button {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  font: 600 13px/1 var(--font-body); padding: 8px 14px; border-radius: 999px; cursor: pointer;
}
.seg button[aria-pressed='true'] { background: var(--raised); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.seg button[data-mode='auto'][aria-pressed='true'] { background: var(--sun); color: var(--sun-ink); box-shadow: none; }

/* ---------- cara de Happy ---------- */
.face { display: inline-block; flex: none; }
.face svg { display: block; width: 100%; height: 100%; overflow: visible; }
.face-sm { width: 28px; height: 28px; }
.face-lg { width: 72px; height: 72px; }
.face-xl { width: 96px; height: 96px; }
.face .ring { transform-origin: 50% 50%; }
.face[data-mood='alert'] .ring { animation: ring 1.8s ease-out infinite; }
@keyframes ring { 0% { opacity: 0.7; transform: scale(1); } 100% { opacity: 0; transform: scale(1.45); } }
@media (prefers-reduced-motion: reduce) { .face .ring { animation: none !important; opacity: 0.4; } }

/* ---------- login ---------- */
.login { min-height: 100%; display: grid; place-items: center; padding: 24px; }
.login-box { width: min(360px, 100%); display: grid; gap: 14px; justify-items: center; text-align: center; }
.login-box h1 { font-size: 30px; }
.login-box form { width: 100%; display: grid; gap: 10px; margin-top: 8px; }
.form-error { color: var(--short); min-height: 1.5em; font-size: 14px; }

/* ---------- estructura ---------- */
.app {
  min-height: 100%;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 340px;
  grid-template-rows: auto 1fr;
  grid-template-areas: 'top top top' 'rail work chat';
}
.topbar {
  grid-area: top;
  display: flex; align-items: center; gap: 20px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--night) 92%, transparent);
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font: 700 22px/1 var(--font-display); }
.env { font: 700 12px/1 var(--font-body); padding: 5px 9px; border-radius: 999px; }
.env.demo { background: color-mix(in srgb, var(--info) 18%, transparent); color: var(--info); }
.env.live { background: var(--short); color: #2b0a10; }
.services { display: flex; gap: 14px; flex: 1; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.svc { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.dot.ok { background: var(--long); }
.dot.bad { background: var(--short); }
.dot.warn { background: var(--warn); }
.top-actions { display: flex; align-items: center; gap: 10px; }

.rail { grid-area: rail; border-right: 1px solid var(--line); padding: 20px; display: grid; gap: 22px; align-content: start; }
.work { grid-area: work; min-width: 0; padding: 0 24px 40px; }
.chat { grid-area: chat; border-left: 1px solid var(--line); display: flex; flex-direction: column; height: calc(100vh - 61px); position: sticky; top: 61px; }

/* ---------- riel ---------- */
.happy-status { display: grid; gap: 14px; justify-items: start; }
.status-line { font: 700 20px/1.25 var(--font-display); }
.status-sub { font-size: 14px; margin-top: 4px; }
.btn-switch { width: 100%; padding: 12px; }
.btn-switch.on { background: transparent; color: var(--ink); }
.btn-switch.off { background: var(--sun); color: var(--sun-ink); border-color: var(--sun); }

.figures { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 12px; padding-top: 18px; border-top: 1px solid var(--line-soft); }
.fig { display: grid; gap: 2px; }
.fig-label { font-size: 12px; color: var(--muted); }
.fig-value { font-size: 19px; font-weight: 600; }
.pos { color: var(--long); }
.neg { color: var(--short); }

.limits { display: grid; gap: 6px; padding-top: 18px; border-top: 1px solid var(--line-soft); }
.rail-title { font-size: 15px; margin-bottom: 4px; }
.meter-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.meter-row strong { color: var(--ink); font-weight: 600; }
.meter { height: 4px; background: var(--line-soft); border-radius: 4px; overflow: hidden; margin-bottom: 8px; }
.meter i { display: block; height: 100%; width: 0; background: var(--muted); border-radius: 4px; transition: width 0.4s; }
.meter-loss i { background: var(--short); }

/* ---------- pestañas ---------- */
.tabs {
  display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none;
  border-bottom: 1px solid var(--line); margin: 0 -24px 20px; padding: 0 24px;
  position: sticky; top: 61px; background: var(--night); z-index: 4;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs button {
  appearance: none; border: 0; background: none; color: var(--muted);
  font: 600 14px/1 var(--font-body); padding: 16px 12px 14px; cursor: pointer; white-space: nowrap;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs button[aria-selected='true'] { color: var(--ink); border-bottom-color: var(--sun); }
.count { display: inline-block; min-width: 20px; padding: 2px 6px; border-radius: 999px; background: var(--sun); color: var(--sun-ink); font-size: 12px; text-align: center; }
.count:empty { display: none; }
.only-narrow { display: none; }

.stack { display: grid; gap: 14px; }

/* ---------- señal / trade ---------- */
.item {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--faint);
  border-radius: var(--r-md);
  padding: 16px 18px;
  display: grid; gap: 14px;
}
.item.long { border-left-color: var(--long); }
.item.short { border-left-color: var(--short); }
.item.needs-you { border-color: color-mix(in srgb, var(--sun) 60%, transparent); border-left-color: var(--sun); background: color-mix(in srgb, var(--sun) 5%, var(--panel)); }
.item-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.item-title { font: 700 19px/1.2 var(--font-display); }
.side { font-weight: 700; font-size: 13px; }
.side.long { color: var(--long); }
.side.short { color: var(--short); }
.item-meta { margin-left: auto; font-size: 12px; color: var(--faint); }
.badge { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: var(--raised); color: var(--muted); }
.badge.sun { background: color-mix(in srgb, var(--sun) 20%, transparent); color: var(--sun); }
.badge.good { background: color-mix(in srgb, var(--long) 16%, transparent); color: var(--long); }
.badge.bad { background: color-mix(in srgb, var(--short) 16%, transparent); color: var(--short); }
.badge.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }

.raw { font-size: 13px; color: var(--muted); }
.raw summary { cursor: pointer; width: fit-content; }
.raw pre { white-space: pre-wrap; word-break: break-word; font: 13px/1.5 var(--font-body); background: var(--night); padding: 10px 12px; border-radius: var(--r-sm); margin: 8px 0 0; color: var(--ink); max-height: 260px; overflow: auto; }

.numbers { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px 16px; }
.num { display: grid; gap: 1px; }
.num span { font-size: 12px; color: var(--muted); }
.num strong { font-size: 16px; font-weight: 600; }
.num strong.big { font-size: 18px; }

.notes { font-size: 13px; display: grid; gap: 4px; }
.notes .err { color: var(--short); }
.notes .wrn { color: var(--warn); }
.notes .inf { color: var(--muted); }

.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* Escalera de precios */
.ladder { position: relative; height: 54px; margin: 2px 8px 0; }
.ladder .track { position: absolute; left: 0; right: 0; top: 26px; height: 2px; background: var(--line); }
.ladder .zone { position: absolute; top: 24px; height: 6px; border-radius: 3px; }
.ladder .zone.risk { background: color-mix(in srgb, var(--short) 70%, transparent); }
.ladder .zone.reward { background: color-mix(in srgb, var(--long) 55%, transparent); }
.ladder .mk { position: absolute; top: 18px; width: 2px; height: 18px; transform: translateX(-1px); background: var(--ink); }
.ladder .mk.sl { background: var(--short); }
.ladder .mk.tp { background: var(--long); }
.ladder .mk.liq { background: var(--faint); height: 12px; top: 21px; }
.ladder .mk.be { background: var(--ink); }
.ladder .lbl { position: absolute; font-size: 11px; color: var(--muted); transform: translateX(-50%); white-space: nowrap; }
.ladder .lbl.up { top: 0; }
.ladder .lbl.down { top: 38px; }
.ladder .now { position: absolute; top: 21px; width: 12px; height: 12px; border-radius: 50%; background: var(--sun); transform: translateX(-6px); box-shadow: 0 0 0 3px var(--night); }

.targets { display: flex; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.tgt { padding: 4px 10px; border-radius: var(--r-sm); background: var(--night); border: 1px solid var(--line-soft); }
.tgt.hit, .tgt.placed { border-color: color-mix(in srgb, var(--long) 45%, transparent); }
.tgt.error { border-color: var(--short); color: var(--short); }

.events { font-size: 12px; color: var(--faint); display: grid; gap: 2px; }

.empty { padding: 40px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--r-lg); display: grid; gap: 10px; justify-items: center; }
.empty .face { width: 56px; height: 56px; }
.empty strong { color: var(--ink); font: 700 17px/1.3 var(--font-display); }

/* ---------- composer / calculadora / ajustes ---------- */
.composer { display: grid; gap: 8px; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line-soft); }
.composer-actions { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.calc { display: grid; gap: 14px; max-width: 640px; margin-bottom: 20px; }
.grid-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.span2 { grid-column: span 2; }

.settings { display: grid; gap: 28px; max-width: 760px; }
.settings fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 14px; }
.settings legend { font: 700 18px/1.2 var(--font-display); margin-bottom: 4px; padding: 0; }
.settings .row { display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 16px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.settings .row-text strong { display: block; font-weight: 600; font-size: 14px; color: var(--ink); }
.settings .row-text small { color: var(--muted); font-size: 13px; }
.settings .check { display: flex; align-items: center; gap: 8px; justify-content: flex-end; color: var(--ink); }
.settings .check input { width: 20px; height: 20px; accent-color: var(--sun); }
.settings-actions { display: flex; gap: 10px; flex-wrap: wrap; position: sticky; bottom: 0; background: var(--night); padding: 14px 0; border-top: 1px solid var(--line); }
.channel-list { display: grid; gap: 6px; max-height: 260px; overflow: auto; padding: 4px 0; }
.channel-list label { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 14px; flex-direction: row; }
.channel-list input { width: 18px; height: 18px; accent-color: var(--sun); }
.test-out { font-size: 13px; display: grid; gap: 4px; }

/* ---------- registro ---------- */
.log { list-style: none; margin: 0; padding: 0; display: grid; font-size: 13px; }
.log li { display: grid; grid-template-columns: 80px 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line-soft); }
.log time { color: var(--faint); }
.log .error { color: var(--short); }
.log .warn { color: var(--warn); }
.log .trade { color: var(--ink); font-weight: 500; }
.log .info { color: var(--muted); }

/* ---------- chat ---------- */
.chat-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px 12px; border-bottom: 1px solid var(--line-soft); }
.chat-head h2 { font-size: 17px; }
.chat-log { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 92%; font-size: 14px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.msg.user { align-self: flex-end; background: var(--raised); padding: 9px 13px; border-radius: 14px 14px 4px 14px; }
.msg.happy { align-self: flex-start; display: grid; grid-template-columns: 24px 1fr; gap: 8px; }
.msg.happy .face { width: 24px; height: 24px; margin-top: 2px; }
.msg.thinking { color: var(--muted); }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 12px 18px 16px; border-top: 1px solid var(--line-soft); align-items: end; }
.chat-empty { color: var(--muted); font-size: 14px; display: grid; gap: 8px; }
.chat-empty button { justify-self: start; text-align: left; white-space: normal; line-height: 1.35; }

/* ---------- diálogo / avisos ---------- */
.confirm { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; width: min(440px, calc(100vw - 32px)); }
.confirm::backdrop { background: rgb(8 9 18 / 0.7); }
.confirm h2 { font-size: 20px; margin-bottom: 10px; }
.confirm p { color: var(--muted); }
.confirm-actions { display: flex; flex-direction: row-reverse; justify-content: flex-start; gap: 10px; margin-top: 22px; }

.toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; z-index: 50; width: min(480px, calc(100vw - 32px)); }
.toast { background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px 16px; font-size: 14px; box-shadow: 0 10px 30px rgb(0 0 0 / 0.35); }
.toast.bad { border-color: var(--short); }
.toast.good { border-color: var(--long); }

/* ---------- responsive ---------- */
@media (max-width: 1240px) {
  .app { grid-template-columns: 260px minmax(0, 1fr); grid-template-areas: 'top top' 'rail work'; }
  .chat { display: none; }
  .only-narrow { display: inline-block; }
  .chat.chat-embed { display: flex; position: static; height: calc(100vh - 140px); min-height: 420px; border: 1px solid var(--line-soft); border-radius: var(--r-lg); }
}
@media (max-width: 820px) {
  .app { grid-template-columns: minmax(0, 1fr); grid-template-areas: 'top' 'rail' 'work'; }
  .topbar { flex-wrap: wrap; gap: 10px 14px; padding: 10px 16px; position: static; }
  .services { order: 3; flex-basis: 100%; }
  .top-actions { margin-left: auto; }
  .rail { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px; gap: 16px; }
  .happy-status { grid-template-columns: auto 1fr; align-items: center; }
  .happy-status .btn-switch { grid-column: span 2; }
  .face-lg { width: 56px; height: 56px; }
  .figures { grid-template-columns: repeat(4, minmax(110px, 1fr)); overflow-x: auto; }
  .limits { display: none; }
  .work { padding: 0 16px 40px; }
  .tabs { margin: 0 -16px 16px; padding: 0 16px; top: 0; }
  .settings .row { grid-template-columns: 1fr; gap: 8px; }
  .settings .check { justify-content: flex-start; }
  .grid-form { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
}
@media (max-width: 520px) {
  .figures { grid-template-columns: 1fr 1fr; }
  .seg button { padding: 8px 10px; }
  .brand-name { font-size: 19px; }
}