/* Market Simulation UI — design system from claude.ai/design "Market Simulation UI".
   Warm paper surfaces, warm ink, one coral accent; green/red reserved for finance
   semantics; Fraunces (serif) display over Inter (sans) UI; tabular numerals. */
:root {
  --bg: #FAF9F5; --panel: #FFFFFF; --well: #F0EEE6;
  --ink: #141413; --muted: #5E5D59; --faint: #9C9A90;
  --line: #E8E4DA; --line-strong: #D6D1C4;
  --accent: #C65D3B; --accent-soft: #D97757; --accent-tint: #FBEFE9;
  --up: #1F7A4D; --up-tint: #E7F2EB; --down: #B3261E; --down-tint: #F9E9E7;
  --warn: #9A6B00; --warn-tint: #F7EFD8;
  --dark: #141413; --dark-ink: #F5F2EA;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow: 0 1px 2px rgba(20,20,19,.04);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 var(--sans);
}
a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; margin: 0 0 .3em; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.up { color: var(--up); } .down { color: var(--down); } .flat { color: var(--muted); }

/* masthead */
.masthead { background: var(--dark); color: var(--dark-ink); border-bottom: 4px solid var(--accent-soft); }
.masthead .wrap { display: flex; align-items: baseline; gap: 16px; padding: 18px 20px; flex-wrap: wrap; }
.masthead h1 { color: #fff; font-size: 32px; font-weight: 700; margin: 0; letter-spacing: -.01em; }
.masthead .tagline { color: #B8B5AC; font-style: italic; font-family: var(--serif); }
.masthead .right { margin-left: auto; color: #B8B5AC; font-size: 13px; }

/* market hub nav + cards */
.marketnav { background: var(--panel); border-bottom: 1px solid var(--line); }
.marketnav .wrap { display: flex; gap: 6px; padding: 8px 20px; flex-wrap: wrap; }
.marketnav a { padding: 6px 12px; border-radius: 8px; color: var(--ink); font-weight: 600; font-size: 14px; }
.marketnav a:hover { background: var(--well); }
.marketnav a.active { background: var(--ink); color: #fff; }
.marketnav a.active:hover { background: var(--ink); }
a.mktcard { display: block; color: var(--ink); margin: 0; transition: box-shadow .12s, transform .12s; }
a.mktcard:hover { box-shadow: 0 6px 18px rgba(20,20,19,.10); transform: translateY(-1px); }

/* ticker strip */
.ticker { background: var(--dark); color: var(--dark-ink); overflow: hidden; white-space: nowrap; border-bottom: 1px solid #2A2925; }
.ticker .row { display: inline-flex; gap: 28px; padding: 10px 20px; animation: scroll 38s linear infinite; }
.ticker:hover .row { animation-play-state: paused; }
.ticker .sym { font-weight: 700; letter-spacing: .5px; }
.ticker .px { margin-left: 8px; font-variant-numeric: tabular-nums; }
.ticker .chg { margin-left: 6px; font-variant-numeric: tabular-nums; }
.ticker .up { color: #4CAF7D; } .ticker .down { color: #E06C5F; }
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* layout */
.grid { display: grid; grid-template-columns: 1fr 340px; gap: 22px; padding: 24px 0; }
@media (max-width: 880px) { .grid { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 22px; }
.panel h2 { font-size: 21px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 11px; font-weight: 600; font-family: var(--sans); color: var(--accent); margin-bottom: 6px; }

/* news */
.news-item { border-bottom: 1px solid var(--line); padding: 16px 0; }
.news-item:last-child { border-bottom: 0; }
.news-item .meta { font-size: 12px; color: var(--muted); display: flex; gap: 10px; align-items: center; margin-bottom: 4px; }
.news-item h3 { font-size: 20px; }
.news-item p { margin: 6px 0 0; color: var(--muted); }
.chip { font-size: 10.5px; font-weight: 600; padding: 3px 8px; border-radius: 5px; background: var(--well); color: var(--muted); text-transform: uppercase; letter-spacing: .07em; }
.chip.macro { background: var(--warn-tint); color: #71510A; }
.chip.market { background: #E9EAF7; color: #3F3D99; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.pos { background: var(--up);} .dot.neg { background: var(--down);} .dot.neu { background: var(--faint); }

/* tables */
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 8px 9px; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
th { font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); font-weight: 600; }
tbody tr:hover td { background: var(--bg); }
tr.me td { background: var(--accent-tint); font-weight: 600; }
tr.me:hover td { background: var(--accent-tint); }

/* KPI cards */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 560px) { .kpis { grid-template-columns: repeat(2,1fr);} }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px; }
.kpi .label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 600; }
.kpi .value { font-family: var(--serif); font-size: 24px; font-weight: 600; margin-top: 5px; font-variant-numeric: tabular-nums; }

/* cockpit */
.btn { display: inline-block; background: var(--accent); color: #fff; border: 1px solid transparent; border-radius: 8px; padding: 9px 16px; font-size: 13.5px; cursor: pointer; font-weight: 600; font-family: var(--sans); transition: background .12s; }
.btn:hover { background: #B04E2E; }
.btn.ghost { background: var(--panel); color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { background: var(--well); }
.btn.warn { background: var(--panel); color: var(--down); border-color: #E5C0BC; }
.btn.warn:hover { background: var(--down-tint); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 2px; }
.row-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 12px 0; }
textarea, input[type=text], input[type=password] { width: 100%; font: 13px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; border: 1px solid var(--line-strong); border-radius: 8px; padding: 10px; background: var(--panel); }
textarea:focus, input[type=text]:focus, input[type=password]:focus { outline: 2px solid var(--accent-soft); outline-offset: 1px; border-color: var(--accent-soft); }
input[type=text].plain, input[type=password] { font-family: var(--sans); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 16px 0; }
.tab { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); cursor: pointer; font-weight: 600; font-family: var(--sans); }
.tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.note { font-size: 13px; color: var(--muted); }
.ok { color: var(--up); } .err { color: var(--down); }
.pill { font-size: 12px; padding: 2px 9px; border-radius: 99px; background: var(--well); color: var(--muted); }
.cardgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 14px; }
code.kbd { background: var(--well); padding: 1px 6px; border-radius: 5px; font-size: 12px; }

/* roster chips */
.roster { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0 14px; }
.team { display: inline-flex; align-items: center; gap: 8px; background: var(--bg); border: 1px solid var(--line); border-radius: 99px; padding: 5px 6px 5px 13px; }
.team .nm { font-weight: 600; }
.team .id { font-size: 11px; color: var(--muted); }
.team button { border: 0; background: var(--well); color: var(--muted); width: 22px; height: 22px; border-radius: 50%; cursor: pointer; font-size: 13px; line-height: 1; }
.team button:hover { background: var(--down); color: #fff; }
.team .nm[contenteditable] { outline: none; border-bottom: 1px dashed transparent; }
.team .nm[contenteditable]:focus { border-bottom-color: var(--accent); }

/* decision grid */
.grid-wrap { overflow-x: auto; }
table.dgrid { min-width: 760px; }
table.dgrid th { white-space: nowrap; }
table.dgrid td { padding: 4px; }
table.dgrid td.lbl { text-align: left; font-weight: 600; white-space: nowrap; }
table.dgrid input { width: 100%; min-width: 78px; border: 1px solid transparent; border-radius: 6px; padding: 6px 7px; font: 13px ui-monospace, Menlo, monospace; text-align: right; background: var(--bg); font-variant-numeric: tabular-nums; }
table.dgrid input:focus { border-color: var(--accent-soft); background: var(--panel); outline: none; }
table.dgrid input.bad { border-color: var(--down); background: var(--down-tint); }
.banner { padding: 10px 13px; border-radius: 10px; font-size: 13px; margin: 10px 0; border: 1px solid transparent; }
.banner.ok { background: var(--up-tint); color: #175C3B; border-color: #CBE3D3; }
.banner.err { background: var(--down-tint); color: #8C1D17; border-color: #EAC7C3; }
.banner.info { background: var(--accent-tint); color: #9C3E1F; border-color: #F0D5C9; }
details.imp { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin: 10px 0; }
details.imp summary { cursor: pointer; font-weight: 600; }

/* control + dashboard */
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 7px; vertical-align: middle; }
select.ctrl { font: 13px var(--sans); padding: 4px 6px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--panel); }
table.dgrid tr.botrow td.lbl { color: var(--muted); }
table.dgrid td.autocell { text-align: left; color: var(--muted); font-style: italic; background: var(--bg); }
#chart svg { display: block; }

/* health alerts */
.flagbadge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px; vertical-align: middle; cursor: help; }
.flagbadge.danger { background: var(--down-tint); color: #8C1D17; }
.flagbadge.warn { background: var(--warn-tint); color: #71510A; }
.alert-row { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); }
.alert-row:last-child { border-bottom: 0; }
.alert-co { font-weight: 600; min-width: 170px; }
.alert-chip { font-size: 12px; padding: 3px 10px; border-radius: 99px; }
.alert-chip.danger { background: var(--down-tint); color: #8C1D17; }
.alert-chip.warn { background: var(--warn-tint); color: #71510A; }

/* ===== cockpit: tidy tabbed layout ===== */
body.cockpit { background: var(--bg); }
.topbar { position: sticky; top: 0; z-index: 20; background: var(--dark); border-bottom: 3px solid var(--accent-soft); }
.topbar-inner { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; gap: 18px; padding: 10px 20px; }
.topbar .brand { color: #fff; font-weight: 700; font-size: 17px; letter-spacing: .3px; font-family: var(--serif); }
.topbar .spacer { flex: 1; }
.topbar .conn { color: #7DC79A; font-size: 12px; }
.mselect { display: flex; gap: 6px; flex-wrap: wrap; }
.mtab { display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--dark-ink); border: 1px solid #3A3935; border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: 13.5px; font-weight: 600; font-family: var(--sans); }
.mtab:hover { background: #2A2925; }
.mtab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.mtab .mpill { font-size: 10.5px; font-weight: 600; background: rgba(255,255,255,.16); padding: 1px 7px; border-radius: 5px; }
.mtab .mpill.new { color: #FFD9A8; }

.market-head { background: var(--panel); border: 1px solid var(--line); border-radius: 12px 12px 0 0; box-shadow: var(--shadow); padding: 18px 22px; margin-top: 22px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.mh-title { font-family: var(--serif); font-size: 26px; font-weight: 700; letter-spacing: -.01em; }
.mh-sub { color: var(--muted); font-style: italic; margin-top: 2px; font-family: var(--serif); }
.mh-right { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mh-quarter { font-size: 15px; color: var(--muted); } .mh-quarter b { font-size: 19px; color: var(--accent); }
.mh-quarter.done { color: var(--up); font-weight: 700; }

.stepper { display: flex; gap: 8px; background: var(--panel); border: 1px solid var(--line); border-top: 0; border-radius: 0 0 12px 12px; box-shadow: var(--shadow); padding: 12px 16px 16px; overflow-x: auto; }
.step { flex: 1; min-width: 78px; display: flex; flex-direction: column; align-items: center; gap: 3px; border: 1px solid var(--line); background: var(--panel); border-radius: 10px; padding: 9px 4px; cursor: default; }
.step .qn { font-weight: 600; font-size: 14px; }
.step .qshock { font-size: 10.5px; color: var(--muted); text-align: center; line-height: 1.2; }
.step.done { background: var(--up-tint); border-color: #CBE3D3; cursor: pointer; }
.step.done .qn { color: #175C3B; }
.step.done:hover { background: #DAEBDF; }
.step.active { background: var(--panel); border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.step.active .qn { color: var(--accent); }
.step.pending { opacity: .55; }

.sectiontabs { display: flex; gap: 2px; margin: 18px 0 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.stab { background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; padding: 9px 15px; cursor: pointer; font-size: 13.5px; font-weight: 500; color: var(--muted); font-family: var(--sans); }
.stab:hover { color: var(--ink); }
.stab.active { color: var(--accent); font-weight: 600; border-bottom-color: var(--accent); }

label.toggle { display: flex; align-items: center; gap: 10px; font-size: 15px; cursor: pointer; }
label.toggle input { width: 18px; height: 18px; }

/* student company-status banner */
.status { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border-radius: 10px; font-size: 14px; margin: 4px 0 14px; border: 1px solid transparent; }
.status .status-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.status.ok { background: var(--up-tint); color: #175C3B; border-color: #CBE3D3; } .status.ok .status-dot { background: var(--up); }
.status.watch { background: var(--warn-tint); color: #71510A; border-color: #E7D9A8; } .status.watch .status-dot { background: var(--warn); }
.status.critical { background: var(--down-tint); color: #8C1D17; border-color: #EAC7C3; } .status.critical .status-dot { background: var(--down); }