@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg:    #ffffff;
  --panel: #fafafa;
  --text:  #111114;
  --muted: #6b6b72;
  --line:  #e6e6e9;
  --accent:       #e87b35;   /* UI accent */
  --accent-hover: #d06a2a;
  --accent-light: #fdf0e6;   /* accent tint background */
  --green: #178a4c;   /* savings + value accent */
  --warm:  #c07840;   /* premium accent */
  --amber: #b98a1f;   /* moderate evidence */
}

* { box-sizing: border-box; }
html { scroll-padding-top: 120px; }
body { margin: 0; background: var(--bg); color: var(--text);
       font-family: 'Barlow', system-ui, sans-serif; font-size: 14px; }
.mono { font-family: 'IBM Plex Mono', monospace; font-size: 10px;
        letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
button { font-family: inherit; cursor: pointer; }

/* ---------- app bar ---------- */
.appbar { position: sticky; top: 0; z-index: 40; background: var(--bg);
          border-bottom: 1px solid var(--text); }
.bar { display: flex; align-items: center; gap: 14px;
       max-width: 1140px; margin: 0 auto; padding: 10px 20px; }
.bar-top { border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-family: 'Barlow', system-ui, sans-serif;
         font-weight: 500; font-size: 15px; color: #1a1a1a; letter-spacing: -.01em; white-space: nowrap; }
.brand-dot { display: inline-block; width: 20px; height: 20px; border-radius: 50%;
             background: #e87b35; flex: none; }

.search { flex: 1; min-width: 140px; max-width: 300px; border: 1px solid var(--line);
          border-radius: 7px; padding: 7px 10px; font: 400 13px 'Barlow', sans-serif;
          color: var(--text); background: var(--panel); outline: none; }
.search:focus { border-color: var(--accent); background: #fff; }

.seg { display: flex; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.seg-btn { border: 0; background: #fff; font: 600 12px 'Barlow', sans-serif;
           color: var(--muted); padding: 7px 12px; }
.seg-btn.active { background: var(--accent); color: #fff; }
.seg-btn.active:hover { background: var(--accent-hover); }

.steppers { display: contents; }
.stepper { display: flex; align-items: center; gap: 7px; }
.step-btn { width: 24px; height: 24px; border: 1px solid var(--line); border-radius: 6px;
            background: #fff; font-size: 14px; line-height: 1; color: var(--text); padding: 0; }
.step-btn:hover { border-color: var(--accent); }
.step-val { font: 600 14px 'IBM Plex Mono', monospace; min-width: 16px; text-align: center; }

.bar-sub { padding-top: 8px; padding-bottom: 8px; justify-content: space-between;
           flex-wrap: wrap; gap: 8px 14px; }
.groupnav { display: flex; gap: 2px; flex-wrap: wrap; }
.filter-btn { border: 0; background: transparent; font: 500 12.5px 'Barlow', sans-serif;
              color: var(--muted); padding: 5px 9px; border-radius: 6px; }
.filter-btn:hover { color: var(--text); }
.filter-btn.active { background: var(--accent); color: #fff; }
.filter-btn.active:hover { background: var(--accent-hover); color: #fff; }

.summary { display: flex; align-items: baseline; gap: 8px 14px; flex-wrap: wrap; min-width: 0; }
.sum-item { display: flex; align-items: baseline; gap: 6px; white-space: nowrap; }
.sum-item .mono { font-size: 9.5px; }
.sum-val { font: 600 14px 'IBM Plex Mono', monospace; }
.sum-save .sum-val { color: var(--green); }

/* ---------- list ---------- */
.list { max-width: 1140px; margin: 0 auto; padding: 4px 20px 40px; }

.group-h { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 6px;
           padding-bottom: 6px; border-bottom: 1px solid var(--text); }
.group-h h2 { font-weight: 600; font-size: 15px; letter-spacing: -.01em; margin: 0; }
.group-h .mono { margin-left: auto; }

.row { display: grid; align-items: center; gap: 10px;
       grid-template-columns: 26px minmax(150px, 1fr) minmax(210px, 1.4fr) minmax(210px, 1.4fr) 150px;
       padding: 7px 0; border-bottom: 1px solid var(--line); }
.row.off .row-name, .row.off .opt, .row.off .row-meta { opacity: .38; }

.tick { width: 18px; height: 18px; border: 1.5px solid var(--muted); border-radius: 5px;
        background: #fff; padding: 0; font-size: 11px; line-height: 1; color: transparent; }
.row.on .tick { background: var(--accent); border-color: var(--accent); color: #fff; }

.row-name { display: flex; align-items: center; gap: 7px; background: none; border: 0;
            padding: 2px 0; text-align: left; color: var(--text); min-width: 0; }
.row-name .nm { font-weight: 600; font-size: 13.5px; white-space: nowrap;
                overflow: hidden; text-overflow: ellipsis; }
.dot { width: 6px; height: 6px; border-radius: 50%; flex: none; }
.dot-strong { background: var(--green); }
.dot-moderate { background: var(--amber); }
.dot-limited { background: #c5c5cb; }
.chev { color: var(--muted); font-size: 10px; flex: none; transition: transform .12s; }
.row.openrow .chev { transform: rotate(180deg); }

.opt { display: flex; align-items: center; gap: 8px; min-width: 0;
       border: 1px solid var(--line); border-radius: 8px; background: #fff;
       padding: 6px 10px; text-align: left; color: var(--text); }
.opt:hover { border-color: var(--muted); }
.opt.sel { border-color: var(--text); background: #f2f2f4; }
.opt .odot { width: 7px; height: 7px; border-radius: 2px; flex: none; background: var(--line); }
.opt.sel.opt-value .odot { background: var(--green); }
.opt.sel.opt-premium .odot { background: var(--warm); }
.opt-tier { font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: .09em;
            text-transform: uppercase; color: var(--muted); flex: none; }
.opt-prod { font-size: 12.5px; white-space: nowrap; overflow: hidden;
            text-overflow: ellipsis; flex: 1; min-width: 0; }
.opt-price { font: 500 12.5px 'IBM Plex Mono', monospace; flex: none; }

.row-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 1px;
            font-family: 'IBM Plex Mono', monospace; font-size: 11px; }
.meta-line { color: var(--muted); }
.meta-annual { color: var(--text); font-weight: 500; }
.meta-save { color: var(--green); }
.meta-extra { color: var(--warm); }

/* ---------- detail ---------- */
.detail { grid-column: 1 / -1; background: var(--panel); border: 1px solid var(--line);
          border-radius: 10px; padding: 14px 16px; margin: 2px 0 6px; }
.detail p { margin: 0 0 8px; font-size: 13px; line-height: 1.55; color: var(--text); max-width: 860px; }
.detail p:last-child { margin-bottom: 0; }
.detail .lbl { font-family: 'IBM Plex Mono', monospace; font-size: 9.5px; letter-spacing: .09em;
               text-transform: uppercase; color: var(--muted); margin-right: 7px; }
.detail .src { color: var(--muted); font-size: 11.5px; }
.detail-picks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.detail-pick { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.detail-pick .pname { font-weight: 600; font-size: 13px; margin: 3px 0 2px; }
.detail-pick .pmeta { font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--muted); }
.detail-pick .pwhy { font-size: 12.5px; color: var(--muted); line-height: 1.5; margin: 5px 0 0; }

.empty { padding: 40px 0; text-align: center; color: var(--muted); }

/* ---------- footer ---------- */
.foot { max-width: 1140px; margin: 0 auto; padding: 10px 20px 60px; color: var(--muted);
        font-size: 12px; line-height: 1.6; }
.foot p { max-width: 640px; }
.link-btn { border: 1px solid var(--line); background: #fff; border-radius: 7px;
            padding: 7px 12px; font-size: 12.5px; color: var(--text); }
.link-btn:hover { border-color: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .row { grid-template-columns: 26px 1fr 1fr 110px;
         grid-template-areas: "tick name name meta" "tick value premium meta"; row-gap: 6px; }
  .tick { grid-area: tick; }
  .row-name { grid-area: name; }
  .opt-value { grid-area: value; }
  .opt-premium { grid-area: premium; }
  .row-meta { grid-area: meta; }
}
@media (max-width: 640px) {
  .bar { gap: 8px 10px; }
  .bar-top { display: grid; grid-template-columns: auto 1fr auto; align-items: center; }
  .brand { grid-row: 1; grid-column: 1; }
  .search { grid-row: 1; grid-column: 2 / -1; max-width: none; width: 100%; }
  .steppers { display: flex; align-items: center; gap: 18px;
              grid-row: 2; grid-column: 1 / -1; }
  #marketToggle { grid-row: 3; grid-column: 1 / -1; justify-self: start; }
  .stepper { gap: 5px; }
  .stepper .mono { font-size: 9px; }
  .summary { gap: 4px 10px; }
  .summary .mono { font-size: 9px; }
  .sum-val { font-size: 12.5px; }
  .row { grid-template-columns: 26px 1fr;
         grid-template-areas: "tick name" "tick value" "tick premium" "tick meta"; }
  .row-meta { flex-direction: row; gap: 10px; justify-content: flex-start; }
  .detail-picks { grid-template-columns: 1fr; }
}