:root {
  --bg: #0b0e13;
  --panel: #12161d;
  --panel-2: #181d26;
  --line: #232a36;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --up: #22c55e;
  --up-bg: rgba(34, 197, 94, 0.12);
  --down: #ef4444;
  --down-bg: rgba(239, 68, 68, 0.12);
  --flat: #eab308;
  --flat-bg: rgba(234, 179, 8, 0.12);
  --accent: #60a5fa;
  --radius: 12px;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }

/* --- Estructura --- */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(11, 14, 19, 0.92); backdrop-filter: blur(8px); z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand svg { width: 26px; height: 26px; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 20px 24px 64px; }
.grid { display: grid; grid-template-columns: 340px 1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .wrap, .top { padding-left: 16px; padding-right: 16px; }
}

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.panel + .panel { margin-top: 16px; }
.panel h2 { margin: 0 0 4px; font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.panel .sub { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.step {
  display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px;
  background: var(--panel-2); border: 1px solid var(--line); font: 600 12px var(--mono); color: var(--muted);
}

/* --- Estadísticas --- */
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 20px; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.stat .v { font: 600 22px var(--mono); margin-top: 4px; }
.stat .d { color: var(--muted); font-size: 12px; }
.pos { color: var(--up); } .neg { color: var(--down); }

/* --- Calendario --- */
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.cal-head strong { font-weight: 600; }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal .dow { color: var(--muted); font-size: 11px; text-align: center; padding-bottom: 4px; }
.cal button {
  aspect-ratio: 1; border: 1px solid transparent; border-radius: 8px; background: var(--panel-2);
  cursor: pointer; position: relative; font: 500 13px var(--mono); padding: 0;
}
.cal button:hover { border-color: var(--line); }
.cal button.out { visibility: hidden; }
.cal button.sel { border-color: var(--accent); }
.cal button.today { box-shadow: inset 0 0 0 1px var(--muted); }
.cal button.hit { background: var(--up-bg); color: var(--up); }
.cal button.miss { background: var(--down-bg); color: var(--down); }
.cal button.pending::after {
  content: ""; position: absolute; bottom: 5px; left: 50%; width: 5px; height: 5px; margin-left: -2.5px;
  border-radius: 50%; background: var(--flat);
}
.legend { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; color: var(--muted); font-size: 12px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

.pairs { width: 100%; border-collapse: collapse; font-size: 13px; }
.pairs td, .pairs th { padding: 6px 0; text-align: right; border-bottom: 1px solid var(--line); }
.pairs th { color: var(--muted); font-weight: 500; }
.pairs td:first-child, .pairs th:first-child { text-align: left; font-family: var(--mono); }

/* --- Selector de dirección --- */
.dirs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.dir {
  border: 1px solid var(--line); background: var(--panel-2); border-radius: 10px; padding: 12px 8px;
  cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 4px; font-weight: 600;
}
.dir svg { width: 22px; height: 22px; }
.dir:disabled { cursor: not-allowed; opacity: 0.45; }
.dir.on.alcista { border-color: var(--up); background: var(--up-bg); color: var(--up); }
.dir.on.bajista { border-color: var(--down); background: var(--down-bg); color: var(--down); }
.dir.on.lateral { border-color: var(--flat); background: var(--flat-bg); color: var(--flat); }
.dir.on:disabled { opacity: 1; }

.verdict { display: flex; align-items: center; gap: 14px; padding: 16px; border-radius: 10px; border: 1px solid var(--line); }
.verdict .big { font-size: 28px; line-height: 1; }
.verdict.hit { border-color: var(--up); background: var(--up-bg); }
.verdict.miss { border-color: var(--down); background: var(--down-bg); }
.verdict strong { display: block; font-size: 16px; }
.verdict span { color: var(--muted); font-size: 13px; }

/* --- Formularios --- */
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input, select, textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 70px; }
.row { display: grid; gap: 10px; margin-top: 12px; }
.row.c4 { grid-template-columns: 1.4fr 1fr 0.8fr 0.8fr; }
.row.c2 { grid-template-columns: 1fr 1fr; }
.row.c3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 560px) { .row.c3 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .row.c4 { grid-template-columns: 1fr 1fr; } }
.seg { display: flex; gap: 6px; flex-wrap: wrap; }
.seg button { flex: 1; min-width: 0; padding-left: 8px; padding-right: 8px; }
.seg.inline { flex: none; flex-wrap: nowrap; }
.seg.inline button { flex: none; }
.btn {
  border: 1px solid var(--line); background: var(--panel-2); border-radius: 8px; padding: 8px 14px;
  cursor: pointer; font-weight: 500;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #0b0e13; font-weight: 600; }
.btn.ghost { background: none; border-color: transparent; color: var(--muted); }
.btn.on.ganada { border-color: var(--up); color: var(--up); background: var(--up-bg); }
.btn.on.perdida { border-color: var(--down); color: var(--down); background: var(--down-bg); }
.btn.on.be, .btn.on.abierta { border-color: var(--flat); color: var(--flat); background: var(--flat-bg); }
.btn.on.compra { border-color: var(--up); color: var(--up); }
.btn.on.venta { border-color: var(--down); color: var(--down); }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; align-items: center; }
.hint { color: var(--muted); font-size: 12px; margin-right: auto; }
.lock { color: var(--muted); font-size: 12px; margin-top: 10px; }

/* --- Operaciones --- */
.trade { border: 1px solid var(--line); border-radius: 10px; padding: 14px; background: var(--panel-2); }
.trade + .trade { margin-top: 10px; }
.trade-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pair { font: 600 15px var(--mono); }
.tag { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; padding: 3px 7px; border-radius: 5px; }
.tag.compra, .tag.ganada { background: var(--up-bg); color: var(--up); }
.tag.venta, .tag.perdida { background: var(--down-bg); color: var(--down); }
.tag.be, .tag.abierta { background: var(--flat-bg); color: var(--flat); }
.nums { margin-left: auto; display: flex; gap: 14px; font: 500 13px var(--mono); color: var(--muted); }
.nums b { color: var(--text); font-weight: 600; }
.why { margin: 10px 0 0; white-space: pre-wrap; color: #c8cdd7; font-size: 14px; }
.why::before { content: "Por qué: "; color: var(--muted); }
.shot { margin-top: 10px; }
.shot img { max-width: 100%; max-height: 340px; border-radius: 8px; border: 1px solid var(--line); cursor: zoom-in; display: block; }
.trade-actions { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.trade-actions .btn { padding: 5px 10px; font-size: 13px; }
.empty { color: var(--muted); text-align: center; padding: 18px; border: 1px dashed var(--line); border-radius: 10px; }

/* --- Acceso --- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 360px; }
.login h1 { font-size: 22px; margin: 14px 0 4px; letter-spacing: -0.02em; }
.err { color: var(--down); font-size: 13px; margin-top: 10px; min-height: 1em; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 10px; z-index: 20;
}
.toast.bad { border-color: var(--down); color: var(--down); }
.lightbox { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.85); display: grid; place-items: center; z-index: 30; cursor: zoom-out; padding: 16px; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; }

/* --- Pares --- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips.quick { margin-top: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: var(--panel-2);
  border-radius: 999px; padding: 4px 10px; font: 500 12px var(--mono); cursor: default;
}
button.chip { cursor: pointer; }
button.chip:hover { border-color: var(--muted); }
.chip.on { border-color: var(--accent); color: var(--accent); }
.chip .x { border: 0; background: none; color: var(--muted); cursor: pointer; padding: 0 0 0 2px; font-size: 14px; line-height: 1; }
.chip .x:hover { color: var(--down); }
.add-pair { display: flex; gap: 8px; margin-top: 12px; }
.add-pair input { text-transform: uppercase; }
.add-pair input::placeholder { text-transform: none; }
.who { display: flex; align-items: center; gap: 4px; }
@media (max-width: 560px) { .who .hint { display: none; } }

/* --- PIN --- */
.pin-dots { display: flex; gap: 12px; justify-content: center; padding: 14px 0; cursor: text; }
.pin-dots i { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--muted); }
.pin-dots i.on { background: var(--accent); border-color: var(--accent); }
.pin-hidden { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.keypad .btn { padding: 14px 0; font: 600 18px var(--mono); }
.keypad .btn.primary { font: 600 15px Inter, system-ui, sans-serif; }