:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #1d2230; --muted: #667085; --line: #e4e7ec;
  --accent: #0f9d76; --accent-ink: #ffffff; --accent-soft: #e3f6ef;
  --in: #0f9d76; --out: #d0533f; --warn: #b7791f; --warn-soft: #fdf3e1; --err: #b42318; --err-soft: #fdecea;
  --high: #c2410c; --high-soft: #fff1e6; --drawer: #151a24; --drawer-ink: #e6e9ef; --drawer-muted: #98a2b3;
  --radius: 14px; --shadow: 0 1px 2px rgba(16,24,40,.05), 0 4px 16px rgba(16,24,40,.06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f131a; --panel: #171c25; --ink: #e6e9ef; --muted: #98a2b3; --line: #262d3a;
    --accent: #34d399; --accent-ink: #062b1f; --accent-soft: #10302a; --in: #34d399; --out: #f87171;
    --warn: #fbbf24; --warn-soft: #33270f; --err: #f87171; --err-soft: #3a1717; --high: #fb923c; --high-soft: #3a2310;
    --drawer: #0b0e13; --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.55rem; margin: 0 0 .25rem; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
h3 { font-size: .95rem; margin: 0 0 .5rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.in { color: var(--in); } .out { color: var(--out); }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: .75rem;
  padding: .6rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line); }
.burger { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  display: grid; place-items: center; cursor: pointer; color: var(--ink); }
.burger span, .burger span::before, .burger span::after { display: block; width: 18px; height: 2px; background: currentColor;
  border-radius: 2px; position: relative; content: ""; transition: transform .2s; }
.burger span::before { position: absolute; top: -6px; } .burger span::after { position: absolute; top: 6px; }
body.menu-open .burger span { background: transparent; }
body.menu-open .burger span::before { transform: translateY(6px) rotate(45deg); }
body.menu-open .burger span::after { transform: translateY(-6px) rotate(-45deg); }
.brand { font-weight: 700; letter-spacing: -.01em; display: flex; align-items: center; gap: .5rem; color: var(--ink); }
.brand .dot { width: 26px; height: 26px; border-radius: 8px; background: var(--accent); display: grid; place-items: center; color: var(--accent-ink); font-size: .8rem; }
.topbar .spacer { flex: 1; }
.topbar form { margin: 0; }

/* drawer (hamburger menu) */
.drawer { position: fixed; z-index: 40; top: 0; left: 0; bottom: 0; width: 310px; max-width: 86vw; background: var(--drawer); color: var(--drawer-ink);
  transform: translateX(-100%); transition: transform .22s ease; overflow-y: auto; padding: 1rem .75rem 2rem; }
body.menu-open .drawer { transform: none; }
.scrim { position: fixed; inset: 0; z-index: 35; background: rgba(0,0,0,.35); opacity: 0; pointer-events: none; transition: opacity .2s; }
body.menu-open .scrim { opacity: 1; pointer-events: auto; }
@media (min-width: 1200px) {
  body.menu-open .scrim { opacity: 0; pointer-events: none; }
  body.menu-open main, body.menu-open .topbar { margin-left: 310px; }
  main, .topbar { transition: margin-left .22s ease; }
}
.drawer .group { margin: 1rem 0 .25rem; padding: 0 .6rem; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--drawer-muted); }
.drawer a.item { display: flex; align-items: center; gap: .6rem; padding: .55rem .7rem; border-radius: 10px; color: var(--drawer-ink); }
.drawer a.item:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.drawer a.item.active { background: rgba(52,211,153,.14); color: #6ee7b7; }
.drawer .badge { margin-left: auto; }
.drawer .close { float: right; background: none; border: 0; color: var(--drawer-muted); font-size: 1.4rem; cursor: pointer; }
.month-card { margin: .35rem .2rem; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; overflow: hidden; }
.month-card summary { list-style: none; cursor: pointer; padding: .65rem .75rem; display: grid; grid-template-columns: 1fr auto; gap: .1rem .5rem; }
.month-card summary::-webkit-details-marker { display: none; }
.month-card summary .m { font-weight: 600; }
.month-card summary .net { font-weight: 700; text-align: right; }
.month-card summary .io { grid-column: 1 / -1; font-size: .78rem; color: var(--drawer-muted); display: flex; gap: .8rem; }
.month-card summary .io .i { color: #6ee7b7; } .month-card summary .io .o { color: #fca5a5; }
.month-card[open] summary { background: rgba(255,255,255,.04); }
.month-card .links { padding: .25rem .4rem .5rem; }
.month-card .links a.item { padding: .4rem .6rem; font-size: .9rem; }
.bar-mini { grid-column: 1 / -1; height: 5px; border-radius: 3px; background: rgba(255,255,255,.08); display: flex; overflow: hidden; }
.bar-mini i { display: block; height: 100%; }

/* layout */
main { padding: 1.25rem 1rem 3rem; max-width: 1180px; margin: 0 auto; }
@media (min-width: 1200px) { body.menu-open main { max-width: none; padding-left: 2rem; padding-right: 2rem; } }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: .75rem; margin-bottom: 1.1rem; }
.grid { display: grid; gap: 1rem; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; box-shadow: var(--shadow); min-width: 0; }
.card.flat { box-shadow: none; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat .value { font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; }
.stat .sub { font-size: .82rem; color: var(--muted); }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
td.r, th.r { text-align: right; }
tr:last-child td { border-bottom: 0; }

/* chips, badges, buttons */
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--line); color: var(--ink); white-space: nowrap; }
.badge.ok { background: var(--accent-soft); color: var(--accent); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.high { background: var(--high-soft); color: var(--high); }
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .5rem .9rem; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { text-decoration: none; filter: brightness(.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--err); }
.btn.sm { padding: .3rem .6rem; font-size: .85rem; }
.tabs { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: 1rem; }
.tabs a { padding: .35rem .8rem; border-radius: 999px; border: 1px solid var(--line); color: var(--ink); font-size: .9rem; background: var(--panel); }
.tabs a.active { background: var(--ink); color: var(--panel); border-color: var(--ink); text-decoration: none; }

/* forms */
label { display: block; font-weight: 600; font-size: .9rem; margin: .6rem 0 .25rem; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=search], select, textarea {
  width: 100%; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); font: inherit; }
textarea { min-height: 220px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
.row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.inline { display: inline; }
.drop { border: 2px dashed var(--line); border-radius: var(--radius); padding: 1.2rem; text-align: center; background: var(--bg); }

/* flashes */
.flash { padding: .65rem .9rem; border-radius: 10px; margin-bottom: .6rem; background: var(--accent-soft); color: var(--ink); border: 1px solid transparent; }
.flash.err { background: var(--err-soft); } .flash.warn { background: var(--warn-soft); }

/* charts */
.bars { display: flex; align-items: flex-end; gap: 1.2rem; height: 190px; padding: .5rem 0 0; }
.bars .col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: .35rem; min-width: 0; }
.bars .pair { display: flex; align-items: flex-end; gap: 6px; height: 150px; }
.bars .pair i { display: block; width: 26px; border-radius: 6px 6px 2px 2px; min-height: 2px; }
.bars .pair i.inb { background: var(--in); } .bars .pair i.outb { background: var(--out); opacity: .85; }
.bars .lbl { font-size: .8rem; color: var(--muted); }
.legend { display: flex; gap: 1rem; font-size: .82rem; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: .3rem; vertical-align: -1px; }
.hbar { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; }
.hbar i { display: block; height: 100%; background: var(--out); }
.progress { height: 10px; border-radius: 6px; background: var(--line); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--accent); }

/* opportunities */
.opp { display: grid; grid-template-columns: auto 1fr auto; gap: .2rem .8rem; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.opp:last-child { border-bottom: 0; }
.opp .flag { width: 10px; height: 10px; border-radius: 50%; margin-top: .45rem; background: var(--line); }
.opp.high .flag { background: var(--high); box-shadow: 0 0 0 4px var(--high-soft); }
.opp .title { font-weight: 600; }
.opp .meta { grid-column: 2; font-size: .85rem; color: var(--muted); }
.opp .actions { grid-row: 1 / span 2; grid-column: 3; display: flex; flex-direction: column; gap: .35rem; align-items: flex-end; }
@media (max-width: 640px) { .opp { grid-template-columns: auto 1fr; } .opp .actions { grid-column: 2; grid-row: auto; flex-direction: row; align-items: center; flex-wrap: wrap; } }

.suggestion { border-left: 4px solid var(--line); padding: .55rem .8rem; margin-bottom: .7rem; background: var(--bg); border-radius: 0 10px 10px 0; }
.suggestion.warn { border-color: var(--warn); } .suggestion.high { border-color: var(--err); } .suggestion.info { border-color: var(--accent); }
.suggestion .t { font-weight: 600; }

/* auth pages */
.auth { max-width: 420px; margin: 8vh auto; }
.auth .card { padding: 1.6rem; }
.divider { display: flex; align-items: center; gap: .7rem; color: var(--muted); font-size: .85rem; margin: 1rem 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.google-btn { width: 100%; justify-content: center; }

/* help */
.guide { max-width: 820px; }
.guide h1 { font-size: 1.6rem; } .guide h2 { font-size: 1.25rem; margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1.2rem; }
.guide h3 { text-transform: none; letter-spacing: 0; color: var(--ink); font-size: 1.05rem; margin-top: 1.4rem; }
.guide code { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: .05rem .3rem; font-size: .88em; }
.guide pre { background: var(--drawer); color: var(--drawer-ink); padding: 1rem; border-radius: 10px; overflow-x: auto; }
.guide pre code { background: none; border: 0; padding: 0; color: inherit; }
.guide table { margin: 1rem 0; } .guide .headerlink { opacity: 0; margin-left: .3rem; } .guide h2:hover .headerlink, .guide h3:hover .headerlink { opacity: .6; }
.guide .admonition { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: .6rem 1rem; border-radius: 0 10px 10px 0; }
.toc ul { list-style: none; padding-left: .8rem; margin: 0; } .toc > ul { padding-left: 0; } .toc a { color: var(--muted); font-size: .9rem; }
.help-layout { display: grid; grid-template-columns: 240px 1fr; gap: 2rem; }
@media (max-width: 900px) { .help-layout { grid-template-columns: 1fr; } .toc { display: none; } }
.toc { position: sticky; top: 80px; align-self: start; }
details.fold summary { cursor: pointer; font-weight: 600; }
.copy-field { display: flex; gap: .5rem; } .copy-field input { font-family: ui-monospace, monospace; font-size: .85rem; }
body.preload .drawer, body.preload main, body.preload .topbar, body.preload .scrim { transition: none !important; }
.month-card summary .io { flex-wrap: wrap; row-gap: .1rem; }
.month-card summary .io span { white-space: nowrap; }