:root {
  color-scheme: light dark;
  --bg: #fbfbfa;
  --panel: #ffffff;
  --border: #e2e0dc;
  --ink: #1c1b19;
  --muted: #6c6862;
  --accent: #2f6f4f;
  --up: #17703f;
  --down: #a33124;
  --warn-bg: #fdf4e3;
  --warn-border: #e6c98a;
  --warn-ink: #6b4d12;
  --sidebar-bg: #f3f2ef;
  --sidebar-w: 248px;
  --topbar-h: 52px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a;
    --panel: #1d1f23;
    --border: #33373d;
    --ink: #e7e5e1;
    --muted: #9a968f;
    --accent: #62b98c;
    --up: #5cc98a;
    --down: #e0725f;
    --warn-bg: #35301f;
    --warn-border: #6b5a2c;
    --warn-ink: #e2c98c;
    --sidebar-bg: #121316;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); }

main {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 4rem;
}

h1 { font-size: 1.6rem; margin: 0; letter-spacing: -.02em; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
h3 { font-size: .9rem; margin: 1.5rem 0 .5rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }

.notice, .warning {
  border: 1px solid var(--warn-border);
  background: var(--warn-bg);
  color: var(--warn-ink);
  border-radius: 8px;
  padding: .6rem .8rem;
  font-size: .85rem;
  margin: 0 0 1rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.filters label, .row label {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  font-size: .78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .03em;
}

.filters label.grow { flex: 1; min-width: 12rem; }
.filters label.check, .row label.check { flex-direction: row; align-items: center; gap: .4rem; text-transform: none; letter-spacing: 0; font-size: .85rem; }

input, select, button {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .35rem .5rem;
}

input[type=checkbox] { width: auto; padding: 0; }

button {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
  cursor: pointer;
  padding: .4rem 1rem;
  font-weight: 550;
}

button:disabled { opacity: .5; cursor: not-allowed; }

.row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: end; margin-bottom: .75rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.15rem 1.25rem;
  margin-bottom: 1.25rem;
}

.summary { font-size: .85rem; margin-bottom: .6rem; }

.tablewrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

th, td {
  text-align: left;
  padding: .4rem .6rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  font-weight: 600;
  position: sticky;
  top: 0;
  background: var(--panel);
}

th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]:hover { color: var(--ink); }
th.sorted::after { content: " \2191"; }
th.sorted.desc::after { content: " \2193"; }

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }

tbody tr { cursor: pointer; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
tbody tr.dim td { color: var(--muted); }

.up { color: var(--up); }
.down { color: var(--down); }

.pill {
  display: inline-block;
  padding: .05rem .45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: .75rem;
  font-family: var(--mono);
}

.badges { display: flex; gap: .4rem; margin: .5rem 0; flex-wrap: wrap; }

.pill.toggle {
  cursor: pointer;
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
}
.pill.toggle.on {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border-color: var(--accent);
  color: var(--accent);
}

th.obs-col { width: 1.4rem; padding: .4rem .3rem; }
td.obs {
  cursor: pointer;
  text-align: center;
  width: 1.4rem;
  padding: .4rem .3rem;
  color: var(--muted);
}
td.obs.on { color: var(--accent); }
td.obs:hover { color: var(--ink); }
.coverage { font-size: .85rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: .6rem 1.25rem;
  font-size: .875rem;
}

.grid div { display: flex; flex-direction: column; }
.grid dt, .grid .k { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.grid .v { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.chart { width: 100%; }
.chart-container { position: relative; overflow: visible; }
.chart-svg { width: 100%; height: 280px; display: block; }

.chart-tooltip {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
  font-size: 0.8rem;
  pointer-events: none;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.chart-tooltip div {
  margin: 0.3rem 0;
}

.chart-tooltip .tooltip-date {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.chart-tooltip .tooltip-high,
.chart-tooltip .tooltip-low,
.chart-tooltip .tooltip-close {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.chart-tooltip .tooltip-high span { color: var(--up); }
.chart-tooltip .tooltip-low span { color: var(--down); }
.chart-tooltip .tooltip-close span { color: var(--ink); }

@media (prefers-color-scheme: dark) {
  .chart-tooltip {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  }
}

button.ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--border);
  font-weight: 500;
}
button.ghost:hover:not(:disabled) { border-color: var(--accent); }
button.ghost.danger { color: var(--down); }
button.ghost.danger:hover:not(:disabled) { border-color: var(--down); }
button.small-btn { padding: .15rem .55rem; font-size: .8rem; }
button.icon { padding: .15rem .5rem; line-height: 1; }

.row label.grow { flex: 1; min-width: 12rem; }

.ladder-head { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap; }
.ladder-head h3 { margin: .5rem 0; }

.ladder { width: auto; }
.ladder input { width: 6.5rem; text-align: right; padding: .25rem .4rem; }
.ladder input.bad { border-color: var(--down); outline: 1px solid var(--down); }
.ladder tbody tr { cursor: default; }
.ladder tbody tr:hover { background: none; }
.ladder td.idx { color: var(--muted); font-variant-numeric: tabular-nums; }
.ladder td.cum { min-width: 8rem; }
.cum-bar { display: flex; align-items: center; gap: .4rem; justify-content: flex-end; }
.cum-bar i {
  display: inline-block;
  width: 4rem;
  height: .45rem;
  border-radius: 3px;
  background: linear-gradient(to right, var(--accent) var(--w), color-mix(in srgb, var(--muted) 20%, transparent) var(--w));
}
.cum-bar.over i { background: var(--down); }

.alloc { display: flex; align-items: center; gap: .6rem; margin: .6rem 0; flex-wrap: wrap; }
.alloc-bar {
  flex: 0 1 18rem;
  min-width: 8rem;
  height: .55rem;
  border-radius: 4px;
  background: color-mix(in srgb, var(--muted) 20%, transparent);
  overflow: hidden;
}
.alloc-bar span { display: block; height: 100%; background: var(--accent); width: 0; transition: width .15s; }
.alloc.over .alloc-bar span { background: var(--down); }
.alloc.over #sim-alloc-text { color: var(--down); }

.ladder-actions { align-items: start; }
/* A stored plan runs as saved: its editing controls are hidden. */
.sim-edit[hidden] { display: none !important; }
.quickfill summary { cursor: pointer; color: var(--accent); padding: .4rem 0; font-size: .9rem; }
.quickfill[open] { flex-basis: 100%; }
.quickfill .filters { margin: .5rem 0 0; }

#sim-executions tbody tr.on { background: color-mix(in srgb, var(--accent) 12%, transparent); }


#r-ranking tbody tr.on, #runs tbody tr.on { background: color-mix(in srgb, var(--accent) 12%, transparent); }
#r-summary .v { white-space: normal; overflow-wrap: anywhere; }

/* --- shell: sidebar + content ------------------------------------------- */

.skip {
  position: absolute;
  left: -999px;
  top: .5rem;
  z-index: 50;
  background: var(--panel);
  padding: .4rem .8rem;
  border-radius: 6px;
}
.skip:focus { left: .5rem; }

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

.sidebar {
  position: sticky;
  top: 0;
  flex: 0 0 var(--sidebar-w);
  width: var(--sidebar-w);
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  padding: .9rem .75rem .75rem;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  overflow: hidden;
  z-index: 30;
  transition: margin-left .2s ease, transform .22s ease;
}
body.sidebar-collapsed .sidebar { margin-left: calc(-1 * var(--sidebar-w)); }

.sb-head { display: flex; align-items: center; justify-content: space-between; padding: 0 .35rem; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-weight: 650;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -.01em;
}
.brand-mark { width: 1.5rem; height: 1.5rem; flex: none; fill: var(--accent); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 500;
}
.icon-btn:hover { background: color-mix(in srgb, var(--ink) 7%, transparent); color: var(--ink); }
.icon-btn svg { width: 1.15rem; height: 1.15rem; stroke: currentColor; }
.sb-close { display: none; }

.sb-jump input { width: 100%; }

.sb-nav, .sb-toc, .sb-observed { display: flex; flex-direction: column; gap: 1px; }

.sb-link {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .45rem .6rem;
  border-radius: 7px;
  color: var(--ink);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 520;
}
.sb-link svg { width: 1rem; height: 1rem; flex: none; fill: currentColor; stroke: currentColor; color: var(--muted); }
.sb-link svg path[fill="none"] { fill: none; }
.sb-link:hover { background: color-mix(in srgb, var(--ink) 6%, transparent); }
.sb-link.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.sb-link.active svg { color: var(--accent); }
.sb-link.sb-sub { margin-left: 1.1rem; font-family: var(--mono); font-size: .85rem; }

.sb-section { display: flex; flex-direction: column; gap: .3rem; min-height: 0; }
.sb-section[hidden] { display: none; }
.sb-grow { flex: 1; }
.sb-title {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: 0 .6rem;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
}
.sb-count {
  font-family: var(--mono);
  font-size: .68rem;
  padding: 0 .35rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 18%, transparent);
  color: var(--muted);
  letter-spacing: 0;
}
.sb-count:empty { display: none; }

.sb-toc-link {
  padding: .3rem .6rem;
  border-left: 2px solid var(--border);
  margin-left: .6rem;
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
}
.sb-toc-link:hover { color: var(--ink); }
.sb-toc-link.active { color: var(--accent); border-left-color: var(--accent); }

.sb-observed { overflow-y: auto; min-height: 0; padding-right: .15rem; }
.sb-observed > .muted { padding: .2rem .6rem; }
.sb-stock {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  padding: .3rem .6rem;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--mono);
  font-size: .82rem;
}
.sb-stock:hover { background: color-mix(in srgb, var(--ink) 6%, transparent); }
.sb-stock.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.sb-chg { font-variant-numeric: tabular-nums; font-size: .75rem; }

.sb-foot {
  border-top: 1px solid var(--border);
  padding: .6rem .6rem 0;
  font-size: .75rem;
  line-height: 1.35;
}

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: .5rem;
  height: var(--topbar-h);
  padding: 0 1rem 0 .6rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  -webkit-backdrop-filter: saturate(1.4) blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-title { font-weight: 600; font-size: .95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spacer { flex: 1; }

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 12, .45);
  z-index: 25;
  animation: fade .2s ease;
}
@keyframes fade { from { opacity: 0; } }

main section.card[id] { scroll-margin-top: calc(var(--topbar-h) + .75rem); }

/* --- dashboard filter panel --------------------------------------------- */

.filter-panel { margin-bottom: 1rem; }
.filter-panel > summary {
  display: none;
  cursor: pointer;
  list-style: none;
  align-items: center;
  gap: .4rem;
  padding: .5rem .75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  font-weight: 550;
  font-size: .9rem;
}
.filter-panel > summary::-webkit-details-marker { display: none; }
.filter-panel > summary::after { content: "▾"; margin-left: auto; color: var(--muted); transition: transform .15s; }
.filter-panel[open] > summary::after { transform: rotate(180deg); }
.filter-panel .filters { margin-bottom: 0; }

/* --- narrow screens: sidebar becomes a drawer ---------------------------- */

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(84vw, 300px);
    transform: translateX(-105%);
    box-shadow: 0 0 40px rgba(0, 0, 0, .25);
    margin-left: 0 !important;
  }
  body.drawer-open .sidebar { transform: none; }
  body.drawer-open { overflow: hidden; }
  .sb-close { display: inline-grid; }
}

@media (min-width: 901px) {
  .backdrop { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar, .backdrop { transition: none; animation: none; }
}

/* --- phones -------------------------------------------------------------- */

@media (max-width: 640px) {
  /* 16px inputs stop iOS from zooming in on focus. */
  input, select, button { font-size: 16px; }

  main { padding: .9rem 1rem 3rem; }
  .card { padding: .85rem .9rem 1rem; border-radius: 8px; }
  h1 { font-size: 1.4rem; }

  .filter-panel > summary { display: flex; }
  .filter-panel[open] > summary { margin-bottom: .75rem; }

  .filters, .row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .6rem .75rem;
  }
  .filters label, .row label { min-width: 0; }
  .filters label.grow, .row label.grow, .filters label.check { grid-column: 1 / -1; min-width: 0; }
  .filters input, .filters select, .row input, .row select { width: 100%; min-width: 0; }
  .row > button, .filters > button { grid-column: 1 / -1; }
  .row > .spacer { display: none; }
  .row > span { grid-column: 1 / -1; }
  .ladder-actions { display: flex; flex-wrap: wrap; }
  .ladder-actions > button { grid-column: auto; }

  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem .9rem; }

  th, td { padding: .45rem .5rem; }
  /* The stock list keeps ticker, last, change and signal; class, bar count
     and latest-bar time are on the stock page. */
  table.stocks th:nth-child(3), table.stocks td:nth-child(3),
  table.stocks th:nth-child(4), table.stocks td:nth-child(4),
  table.stocks th:nth-child(5), table.stocks td:nth-child(5) { display: none; }

  .chart-svg { height: 220px; }
  .coverage { font-size: .78rem; }
  .tablewrap { margin: 0 -.9rem; padding: 0 .9rem; }
}

/* --- toasts (static/toast.js) ------------------------------------------- */

.toaster {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1000;
  width: 356px;
  margin: 0;
  padding: 0;
  list-style: none;
  transition: height .4s ease;
}

.toast {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1rem;
  overflow: hidden;
  --toast-tone: var(--muted);
  background: color-mix(in srgb, var(--toast-tone) 8%, var(--panel));
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--toast-tone) 40%, var(--border));
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .16);
  font-size: .9rem;
  line-height: 1.35;
  opacity: 0;
  transform-origin: center bottom;
  transition: transform .4s cubic-bezier(.21, 1.02, .73, 1), opacity .4s, height .4s;
  touch-action: pan-y;
  user-select: none;
}
.toast[data-mounted="true"] { opacity: 1; }
.toast[data-hidden="true"],
.toast[data-removed="true"] { opacity: 0; pointer-events: none; }
.toast[data-swiping="true"] { transition: none; }

/* Older cards in the collapsed deck show only their edge. */
.toast[data-front="false"][data-expanded="false"] > * { opacity: 0; }
.toast > * { transition: opacity .4s; }

/* Bridges the gap to the next toast so moving between them keeps the stack open. */
.toast::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 15px;
}

.toast-icon { flex: none; display: flex; width: 18px; height: 18px; }
.toast-icon svg { width: 100%; height: 100%; }
/* Each type tints the card's background and border via --toast-tone. */
.toast[data-type="success"] { --toast-tone: var(--up); }
.toast[data-type="error"] { --toast-tone: var(--down); }
.toast[data-type="info"] { --toast-tone: var(--muted); }
.toast-icon { color: var(--toast-tone); }

.toast-text { flex: 1; min-width: 0; }
.toast-title { font-weight: 500; overflow-wrap: anywhere; }
.toast-desc { color: var(--muted); font-size: .85rem; overflow-wrap: anywhere; }

.toast-close {
  flex: none;
  padding: 0 .2rem;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: .8rem;
  cursor: pointer;
  opacity: 0;
}
.toast:hover .toast-close,
.toast-close:focus-visible { opacity: 1; }

@media (prefers-color-scheme: dark) {
  .toast { box-shadow: 0 4px 16px rgba(0, 0, 0, .45); }
}

@media (max-width: 600px) {
  .toaster { right: 16px; left: 16px; bottom: 16px; width: auto; }
  .toast-close { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .toaster, .toast, .toast > * { transition: none; }
}