:root {
  --bg: #0b0f17; --panel: #131a26; --panel2: #192233; --line: #263248; --text: #e6ebf3; --muted: #8b99b3;
  --green: #22c55e; --red: #ef4444; --amber: #f59e0b; --blue: #3b82f6; --teal: #14b8a6; --gray: #64748b;
  --radius: 10px; --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f5f9; --panel: #ffffff; --panel2: #f0f3f8; --line: #dbe1ec; --text: #111827; --muted: #5b6678;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 15px; line-height: 1.45; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
.mono, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.pos { color: var(--green); } .neg { color: var(--red); } .muted { color: var(--muted); } .warn { color: var(--amber); }
.hidden { display: none !important; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; padding: 10px 20px;
  background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .02em; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { color: var(--muted); padding: 7px 12px; border-radius: 8px; font-weight: 600; }
.nav a:hover { background: var(--panel2); text-decoration: none; }
.nav a.active { color: var(--text); background: var(--panel2); }
.topright { display: flex; align-items: center; gap: 12px; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .04em; color: #fff; background: var(--gray); }
.badge.paper { background: var(--blue); } .badge.live { background: var(--red); }
.badge.open { background: var(--green); } .badge.closed { background: var(--gray); }
.btn { border: 1px solid var(--line); background: var(--panel2); color: var(--text); padding: 7px 14px; border-radius: 8px; font-weight: 600; }
.btn:hover { border-color: var(--blue); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.danger { background: transparent; border-color: var(--red); color: var(--red); }
.btn.danger:hover { background: var(--red); color: #fff; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.small { padding: 4px 10px; font-size: 13px; }

.page { max-width: 1500px; margin: 0 auto; padding: 18px 20px 60px; }
h1 { font-size: 22px; margin: 4px 0 2px; } h2 { font-size: 17px; margin: 0; } h3 { font-size: 14px; margin: 0; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.sub { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.err { color: var(--red); } 
.banner { background: var(--panel2); border: 1px solid var(--line); border-left: 4px solid var(--amber); padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.tile .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.tile .value { font-size: 24px; font-weight: 700; margin-top: 2px; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.tile .delta { font-size: 13px; font-family: var(--mono); }
.tile.big .value { font-size: 30px; }

/* two-column screener */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
.split > section, .dash-grid > section { min-width: 0; }
@media (max-width: 1100px) { .split { grid-template-columns: minmax(0, 1fr); } .topbar { flex-wrap: wrap; } }
.col-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; padding-bottom: 6px; border-bottom: 2px solid var(--line); }
.tier { margin-bottom: 14px; }
.tier-head { display: flex; align-items: center; gap: 8px; width: 100%; background: none; border: 0; color: var(--text); padding: 6px 2px; text-align: left; }
.tier-head .count { color: var(--muted); font-size: 13px; }
.tier-head .caret { color: var(--muted); width: 14px; }
.tier.high .tier-title { color: var(--green); } .tier.medium .tier-title { color: var(--amber); } .tier.low .tier-title { color: var(--muted); }
.tier-title { font-weight: 700; }
.empty { color: var(--muted); padding: 8px 4px; font-size: 14px; }

.cand { min-width: 0; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--gray); border-radius: 8px; margin-bottom: 8px; }
.cand.r5 { border-left-color: #16a34a; } .cand.r4 { border-left-color: var(--teal); } .cand.r3 { border-left-color: var(--amber); }
.cand.r2, .cand.r1 { border-left-color: var(--gray); }
.cand-row { display: flex; align-items: center; gap: 10px; width: 100%; background: none; border: 0; color: var(--text); text-align: left; padding: 10px 12px; }
.cand-row:hover { background: var(--panel2); }
.rating { min-width: 34px; text-align: center; padding: 2px 6px; border-radius: 6px; font-weight: 700; font-size: 13px; background: var(--panel2); font-family: var(--mono); }
.r5 .rating { background: #16a34a; color: #fff; } .r4 .rating { background: var(--teal); color: #fff; } .r3 .rating { background: var(--amber); color: #111; }
.tk { font-weight: 700; font-size: 16px; min-width: 56px; }
.ctype { color: var(--muted); font-size: 13px; }
.headline { color: var(--muted); font-size: 13px; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.caret { transition: transform .15s; } .open > .cand-row .caret, .open > .row-main .caret { transform: rotate(90deg); }
.cand-body { padding: 4px 14px 14px; border-top: 1px solid var(--line); min-width: 0; overflow-wrap: anywhere; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; margin: 12px 0; }
.stat { background: var(--panel2); border-radius: 8px; padding: 8px 10px; }
.stat .k { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.stat .v { font-family: var(--mono); font-size: 15px; font-weight: 600; }
.bullets { margin: 6px 0; padding-left: 18px; font-size: 14px; } .bullets li { margin: 3px 0; }
.review { background: var(--panel2); border-radius: 8px; padding: 8px 10px; font-size: 14px; margin: 8px 0; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--panel2); border: 1px solid var(--line); }
.chip.red { border-color: var(--red); color: var(--red); } .chip.green { border-color: var(--green); color: var(--green); } .chip.amber { border-color: var(--amber); color: var(--amber); }
.actions { display: flex; gap: 8px; margin-top: 10px; }

/* tables */
.tablewrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: right; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; font-family: var(--mono); font-variant-numeric: tabular-nums; }
th:first-child, td:first-child, th.l, td.l { text-align: left; } td.l { font-family: var(--font); }
tr.row-main { cursor: pointer; } tr.row-main:hover td { background: var(--panel2); }
tr.detail td { background: var(--panel2); text-align: left; white-space: normal; font-family: var(--font); }
tr:last-child td { border-bottom: 0; }
.tabs { display: flex; gap: 4px; margin: 18px 0 10px; border-bottom: 1px solid var(--line); }
.tab { background: none; border: 0; color: var(--muted); padding: 8px 14px; font-weight: 600; border-bottom: 2px solid transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--blue); }

/* chart */
.chart { width: 100%; height: 220px; display: block; }
.chart .line { fill: none; stroke: var(--blue); stroke-width: 2; } .chart .area { fill: var(--blue); opacity: .12; }
.chart .grid { stroke: var(--line); stroke-width: 1; } .chart text { fill: var(--muted); font-size: 11px; }
.periods { display: flex; gap: 4px; }
.periods button { background: none; border: 1px solid transparent; color: var(--muted); padding: 2px 9px; border-radius: 6px; font-weight: 600; }
.periods button.active { border-color: var(--line); color: var(--text); background: var(--panel2); }
.dash-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 18px; margin-bottom: 18px; } @media (max-width: 1000px) { .dash-grid { grid-template-columns: minmax(0, 1fr); } }
.pick { display: flex; align-items: center; gap: 10px; padding: 8px 4px; border-bottom: 1px solid var(--line); color: var(--text); }
.pick:hover { background: var(--panel2); text-decoration: none; } .pick:last-child { border-bottom: 0; }

/* modal & toast */
.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; width: 100%; max-width: 560px; max-height: 92vh; overflow-y: auto; padding: 18px 20px; }
.modal h2 { margin-bottom: 4px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 12px 0; }
.form label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.form input, .form select, input.text { background: var(--panel2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 8px 10px; font: inherit; font-family: var(--mono); }
.summary { width: 100%; margin: 8px 0; } .summary td { padding: 5px 4px; border: 0; }
.msg { padding: 8px 10px; border-radius: 8px; margin: 6px 0; font-size: 14px; } .msg.error { background: rgba(239,68,68,.12); color: var(--red); } .msg.warning { background: rgba(245,158,11,.12); color: var(--amber); } .msg.ok { background: rgba(34,197,94,.12); color: var(--green); }
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--panel2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 8px; z-index: 60; max-width: 360px; }

/* login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login .card { width: 100%; max-width: 380px; padding: 26px; }
.login input { width: 100%; margin: 14px 0 10px; font-family: var(--font); }
.wide { width: 100%; }
tr.row-main.open .caret { display: inline-block; transform: rotate(90deg); }

.cand-row .ctype { white-space: nowrap; }
.stats { grid-template-columns: repeat(auto-fit, minmax(min(130px, 100%), 1fr)); }

.cand-tabs { margin: 8px 0 6px; }
.ai-head { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.ai-summary { margin: 8px 0 12px; font-size: 15px; }
.ai-field { background: var(--panel2); border-radius: 8px; padding: 8px 10px; margin: 6px 0; font-size: 14px; }
.ai-field .k { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px; }
.ai-foot { font-size: 12px; margin-top: 10px; }

/* options page */
.opt-bar { display: flex; flex-wrap: wrap; align-items: end; gap: 14px; margin-bottom: 14px; }
.opt-field { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.opt-field input, .opt-field select { min-width: 150px; text-transform: none; }
.opt-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
@media (max-width: 1100px) { .opt-layout { grid-template-columns: minmax(0, 1fr); } }
.opt-layout .tablewrap { max-height: 70vh; overflow: auto; }
.opt-builder { position: sticky; top: 70px; }
table.chain th { position: sticky; top: 0; background: var(--panel); text-align: center; }
table.chain td { text-align: center; padding: 6px 8px; }
table.chain th.grp { color: var(--text); letter-spacing: .15em; }
table.chain td.strike { font-weight: 700; background: var(--panel2); }
table.chain td.itm { background: rgba(59,130,246,.08); }
table.chain tr.atm td.strike { color: var(--amber); }
table.chain td.px { cursor: pointer; }
table.chain td.px:hover { outline: 1px solid var(--blue); }
table.chain td.px.picked.buy { background: var(--green); color: #fff; }
table.chain td.px.picked.sell { background: var(--red); color: #fff; }

/* Supabase front-end additions */
.banner-stack { display: block; }
.banner-stack .banner { margin: 0; border-radius: 0; border-width: 0 0 1px; border-left: 6px solid var(--amber); }
.banner.red { border-left-color: var(--red); background: rgba(239,68,68,.14); }
.banner.amber { border-left-color: var(--amber); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.login .card + .card { margin-top: 0; }
.login select.text { width: 100%; margin: 14px 0 0; }
.login .btn.wide + .btn.wide { margin-top: 8px; }
.check { display: flex; gap: 8px; align-items: center; margin: 10px 0; font-size: 14px; }
.modal form select.text, .modal form input.text { width: 100%; margin: 10px 0 0; }

/* order ticket: instrument switch and exit tiers */
.seg { display: flex; gap: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg-btn { flex: 1; background: var(--panel2); color: var(--muted); border: 0; padding: 8px 10px; font: inherit; font-weight: 600; cursor: pointer; text-transform: none; letter-spacing: 0; }
.seg-btn.active { background: var(--blue); color: #fff; }
.tier-block { margin: 10px 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel2); }
.tier-head { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.tier-row { display: grid; grid-template-columns: 1fr auto 90px auto; gap: 8px; align-items: center; margin: 4px 0; }
.tier-row input { background: var(--panel); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 7px 9px; font: inherit; font-family: var(--mono); min-width: 0; }
.modal { max-width: 640px; }