/* ============================================================
   PO Analytics — Design System
   Server-rendered, token-driven, accessible.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@600;700;800&display=swap');

:root {
  /* Brand — teal/amber, so this product is never mistaken at a glance for the
     violet ITSM dashboard it shares an architecture with. */
  --primary:#0f766e; --primary-hover:#0d5f59; --primary-soft:#e6f4f2;
  --accent:#f59e0b; --accent-2:#0891b2;
  /* Neutrals (slate) */
  --g50:#f8fafc; --g100:#f1f5f9; --g200:#e2e8f0; --g300:#cbd5e1; --g400:#94a3b8;
  --g500:#64748b; --g600:#475569; --g700:#334155; --g800:#1e293b; --g900:#0f172a;
  /* Semantic */
  --good:#16a34a; --good-bg:#dcfce7; --warn:#b45309; --warn-bg:#fef3c7;
  --bad:#dc2626; --bad-bg:#fee2e2; --info:#0369a1; --info-bg:#e0f2fe;
  /* Surfaces */
  --bg:#f6f8f8; --surface:#fff; --surface-2:#f8fafc; --border:#e2e8f0; --border-strong:#cbd5e1;
  --text:#0f172a; --text-muted:#475569; --text-subtle:#64748b;
  /* ---- Data-viz -------------------------------------------------------
     Categorical slots are assigned in fixed order and never cycled; a 9th
     series folds into "All other". This ordering is the CVD-safety
     mechanism, not cosmetics — re-ordering invalidates it. Validated in both
     modes against this app's own surfaces (#fff / #0f172a). Light slots 3/4/5
     sit under 3:1 on white, so charts using them ship direct labels or the
     table view (the relief rule). */
  --series-1:#2a78d6; --series-2:#eb6834; --series-3:#1baf7a; --series-4:#eda100;
  --series-5:#e87ba4; --series-6:#008300; --series-7:#4a3aa7; --series-8:#e34948;
  /* Sequential (magnitude, one hue light->dark). Ordinal marks start at 250. */
  --seq-250:#7fc4bd; --seq-350:#4aa79e; --seq-450:#0f8a7f; --seq-550:#0b6b62; --seq-650:#084f48;
  /* Chart chrome — recessive by design */
  --viz-grid:#e1e0d9; --viz-axis:#c3c2b7; --viz-ink:#0b0b0b; --viz-ink-2:#52514e; --viz-muted:#898781;
  /* Projected/estimated marks: same hue, reduced presence + a legend entry */
  --viz-estimate:#a7d8d2;
  /* Radius / shadow / motion */
  --r-sm:10px; --r:16px; --r-lg:22px; --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.10);
  --sh:0 2px 4px rgba(16,24,40,.06),0 4px 8px rgba(16,24,40,.08),0 12px 24px rgba(16,24,40,.06);
  --sh-lg:0 12px 24px rgba(16,24,40,.10),0 24px 48px rgba(16,24,40,.12);
  --ring:0 0 0 1px rgba(16,24,40,.06);
  --focus:#0f766e;
  --ease:cubic-bezier(.2,0,0,1); --ease-out:cubic-bezier(.05,.7,.1,1);
  --font:'Inter',system-ui,sans-serif; --font-display:'Space Grotesk',var(--font); --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --sidebar-w:248px; --topbar-h:64px;
}
/* Dark mode is *selected*, not an automatic flip: the series hues below are
   the same eight, re-stepped for the dark surface and validated as a set.
   The token list is duplicated across two scopes on purpose — the media query
   honours the OS setting, the attribute selector honours the in-app toggle,
   and the toggle must win in BOTH directions (hence :not([data-theme="light"])
   so an explicit light choice beats OS dark). Keep the two blocks in sync. */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0a1414; --surface:#0f1e1d; --surface-2:#152827; --border:#1e3533; --border-strong:#2f4d4a;
    --text:#e2e8f0; --text-muted:#94a3b8; --text-subtle:#64748b;
    --primary:#2dd4bf; --primary-hover:#14b8a6; --primary-soft:#153b37;
    --good-bg:#052e1a; --warn-bg:#3a2a06; --bad-bg:#3a0f0f; --info-bg:#082f44;
    --ring:0 0 0 1px rgba(255,255,255,.06); --sh-sm:0 1px 2px rgba(0,0,0,.4); --sh:0 6px 18px -4px rgba(0,0,0,.55); --sh-lg:0 22px 50px -12px rgba(0,0,0,.7);
    --series-1:#3987e5; --series-2:#d95926; --series-3:#199e70; --series-4:#c98500;
    --series-5:#d55181; --series-6:#008300; --series-7:#9085e9; --series-8:#e66767;
    --seq-250:#084f48; --seq-350:#0b6b62; --seq-450:#0f8a7f; --seq-550:#2dab9f; --seq-650:#6fc9c0;
    --viz-grid:#2c2c2a; --viz-axis:#383835; --viz-ink:#fff; --viz-ink-2:#c3c2b7; --viz-muted:#898781;
    --viz-estimate:#0b6b62;
  }
}
[data-theme="dark"]{
  --bg:#0a1414; --surface:#0f1e1d; --surface-2:#152827; --border:#1e3533; --border-strong:#2f4d4a;
  --text:#e2e8f0; --text-muted:#94a3b8; --text-subtle:#64748b;
  --primary:#2dd4bf; --primary-hover:#14b8a6; --primary-soft:#153b37;
  --good-bg:#052e1a; --warn-bg:#3a2a06; --bad-bg:#3a0f0f; --info-bg:#082f44;
  --ring:0 0 0 1px rgba(255,255,255,.06); --sh-sm:0 1px 2px rgba(0,0,0,.4); --sh:0 6px 18px -4px rgba(0,0,0,.55); --sh-lg:0 22px 50px -12px rgba(0,0,0,.7);
  --series-1:#3987e5; --series-2:#d95926; --series-3:#199e70; --series-4:#c98500;
  --series-5:#d55181; --series-6:#008300; --series-7:#9085e9; --series-8:#e66767;
  --seq-250:#084f48; --seq-350:#0b6b62; --seq-450:#0f8a7f; --seq-550:#2dab9f; --seq-650:#6fc9c0;
  --viz-grid:#2c2c2a; --viz-axis:#383835; --viz-ink:#fff; --viz-ink-2:#c3c2b7; --viz-muted:#898781;
  --viz-estimate:#0b6b62;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-display);letter-spacing:-.025em;line-height:1.1}
.tnum{font-variant-numeric:tabular-nums}

/* A11y */
.skip-link{position:absolute;left:12px;top:-48px;z-index:2000;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 10px;font-weight:600;transition:top .18s}
.skip-link:focus{top:0}
:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}
::selection{background:rgba(15,118,110,.22)}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}

/* ---- App shell ---- */
.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px;z-index:100;overflow-y:auto}
.sb-brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;font-family:var(--font-display);font-weight:700;font-size:1.05rem}
.sb-brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;flex-shrink:0}
.sb-section{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-subtle);font-weight:600;padding:14px 12px 6px}
.sb-link{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:10px;color:var(--text-muted);font-weight:500;font-size:.9rem;transition:background .15s,color .15s}
.sb-link svg{width:18px;height:18px;flex-shrink:0}
.sb-link:hover{background:var(--surface-2);color:var(--text)}
.sb-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.sb-foot{margin-top:auto;padding:12px 10px 4px;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-subtle);display:flex;align-items:center;gap:10px;justify-content:space-between}
.main{grid-column:2;display:flex;flex-direction:column;min-width:0}

/* ---- Topbar ---- */
.topbar{position:sticky;top:0;height:var(--topbar-h);z-index:90;display:flex;align-items:center;gap:16px;padding:0 28px;background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}
.topbar h1{font-size:1.25rem;font-weight:700;margin-right:auto}
.tb-control{display:flex;align-items:center;gap:8px}
.select,.btn{font-family:var(--font);font-size:.85rem;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:8px 12px;cursor:pointer;transition:border-color .15s,background .15s}
.select:hover,.btn:hover{border-color:var(--border-strong)}
.btn-primary{background:var(--primary);color:#fff;border-color:transparent;font-weight:600;box-shadow:0 4px 12px rgba(15,118,110,.22)}
.btn-primary:hover{background:var(--primary-hover)}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--border);background:var(--surface);cursor:pointer}
.icon-btn svg{width:18px;height:18px}

/* ---- Content ---- */
.content{padding:28px;max-width:1320px;width:100%}
.page-intro{color:var(--text-muted);font-size:.92rem;margin-bottom:24px;max-width:70ch}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:34px 0 14px}
.sec-eyebrow{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--primary);font-weight:600}
.sec-head h2{font-size:1.4rem;font-weight:700}
.sec-head a{font-size:.82rem;color:var(--primary);font-weight:600}

/* ---- Cards ---- */
.card{background:var(--surface);border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);padding:22px}
.grid{display:grid;gap:18px}
.cols-2{grid-template-columns:repeat(2,1fr)} .cols-3{grid-template-columns:repeat(3,1fr)}
/* 200px rather than 220px so a five-KPI row fits across at 1440px instead of
   wrapping one card onto a line of its own. */
.cols-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
@media(max-width:1000px){.cols-2,.cols-3{grid-template-columns:1fr}}

/* ---- KPI ---- */
.kpi{position:relative;display:flex;flex-direction:column;gap:8px;background:var(--surface);border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);padding:20px 22px;overflow:hidden;transition:transform .18s var(--ease-out),box-shadow .18s var(--ease-out)}
.kpi:hover{transform:translateY(-3px);box-shadow:var(--ring),var(--sh)}
.kpi::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--accent-bar,var(--g300))}
.kpi.good::before{background:var(--good)} .kpi.warn::before{background:var(--warn)} .kpi.bad::before{background:var(--bad)} .kpi.brand::before{background:linear-gradient(90deg,var(--primary),var(--accent))}
.kpi .k-label{font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-subtle);font-weight:600}
.kpi .k-value{font-family:var(--font-mono);font-size:clamp(1.45rem,2.1vw,2rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.kpi .k-sub{font-size:.78rem;color:var(--text-subtle)}
.delta{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:var(--r-pill);font-size:.76rem;font-weight:700;width:fit-content}
.delta.up{background:var(--bad-bg);color:var(--bad)} .delta.down{background:var(--good-bg);color:var(--good)} .delta.flat{background:var(--g100);color:var(--text-subtle)}
.delta.good{background:var(--good-bg);color:var(--good)} .delta.bad{background:var(--bad-bg);color:var(--bad)}

/* ---- Insight & alert cards ---- */
.insight{display:flex;gap:14px;padding:16px 18px;background:var(--surface);border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);border-left:4px solid var(--info)}
.insight.good{border-left-color:var(--good)} .insight.warn{border-left-color:var(--warn)} .insight.bad{border-left-color:var(--bad)} .insight.brand{border-left-color:var(--primary)}
.insight .i-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;background:var(--info-bg);color:var(--info)}
.insight.good .i-icon{background:var(--good-bg);color:var(--good)} .insight.warn .i-icon{background:var(--warn-bg);color:var(--warn)} .insight.bad .i-icon{background:var(--bad-bg);color:var(--bad)} .insight.brand .i-icon{background:var(--primary-soft);color:var(--primary)}
.insight h3{font-family:var(--font);font-size:.95rem;font-weight:700;margin-bottom:3px}
.insight p{font-size:.85rem;color:var(--text-muted);line-height:1.5}
.insight .i-action{font-size:.82rem;color:var(--primary);font-weight:600;margin-top:6px;display:inline-block}
.insight .i-body{min-width:0}
.i-foot{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}

/* ---- Opportunity band ---- */
.opp{background:radial-gradient(circle at 0% 0%,rgba(15,118,110,.22),transparent 45%),radial-gradient(circle at 100% 0%,rgba(245,158,11,.16),transparent 50%),linear-gradient(135deg,#0f766e,#0e7490 55%,#f59e0b 145%);color:#fff;border-radius:var(--r-lg);padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:0 10px 28px rgba(15,118,110,.28)}
.opp .o-fig{font-family:var(--font-mono);font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.03em;line-height:1}
.opp .o-label{font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;opacity:.85;margin-bottom:6px}
.opp .o-note{font-size:.82rem;opacity:.92;max-width:440px;line-height:1.45}

/* ---- Badges, chart cards, tables ---- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--r-pill);font-size:.74rem;font-weight:600}
.badge.good{background:var(--good-bg);color:var(--good)} .badge.warn{background:var(--warn-bg);color:var(--warn)} .badge.bad{background:var(--bad-bg);color:var(--bad)} .badge.neutral{background:var(--g100);color:var(--text-muted)}
[data-theme="dark"] .badge.neutral{background:var(--surface-2)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .badge.neutral{background:var(--surface-2)}}
.chart-card h2{font-family:var(--font);font-size:1rem;font-weight:700;margin-bottom:2px}
.chart-card .c-note{font-size:.76rem;color:var(--text-subtle);margin-bottom:12px}
.chart-card figcaption{margin-bottom:14px}
.plot{width:100%;height:300px}
.chart-note{font-size:.78rem;color:var(--text-subtle);margin-top:10px}
table.tbl{width:100%;border-collapse:collapse;font-size:.86rem}
table.tbl th{text-align:left;padding:11px 14px;background:var(--surface-2);border-bottom:1px solid var(--border);color:var(--text-muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
table.tbl td{padding:11px 14px;border-bottom:1px solid var(--border)}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr:hover{background:var(--surface-2)}
.muted{color:var(--text-subtle)} .mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---- Sidebar nav list ---- */
.sb-nav ul{list-style:none}
.sb-nav + .sb-nav{margin-top:2px}
.sb-user{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn-sm{padding:5px 11px;font-size:.78rem}

/* ---- Provenance strip ----
   Where the numbers come from, kept adjacent to them rather than footnoted. */
.prov{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.79rem;color:var(--text-subtle);
      background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);
      padding:9px 14px;margin-bottom:20px}
.prov strong{color:var(--text-muted);font-weight:600}
.prov-sep{opacity:.5}
.prov-flag{color:var(--warn);font-weight:600}

/* ---- The answer block ----
   Each section leads with its conclusion, not its charts. */
.answer{border-radius:var(--r-lg);padding:24px 28px;margin-bottom:24px;background:var(--surface);
        box-shadow:var(--ring),var(--sh-sm);border-left:5px solid var(--info)}
.answer-good{border-left-color:var(--good)} .answer-warn{border-left-color:var(--warn)}
.answer-bad{border-left-color:var(--bad)} .answer-info{border-left-color:var(--info)}
/* An opportunity, not a fault — brand rather than a status colour, so it is
   never mistaken for something going wrong. */
.answer-brand{border-left-color:var(--primary)}
.answer .a-text{font-family:var(--font-display);font-size:clamp(1.35rem,2.6vw,1.9rem);
                font-weight:700;letter-spacing:-.025em;line-height:1.2;color:var(--text)}
.answer .a-detail{margin-top:8px;font-size:.94rem;color:var(--text-muted);max-width:74ch}

/* ---- KPI extras ---- */
.k-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;min-height:22px}
/* The confidence sentence under a duration KPI. Small on purpose — it is the
   qualifier on the headline number, not a competing headline. */
.kpi .k-ci{font-size:.74rem;color:var(--text-subtle);line-height:1.45;
           border-top:1px solid var(--border);padding-top:7px;margin-top:3px}

/* ---- Recommended actions ---- */
.actions{list-style:none;display:flex;flex-direction:column;gap:12px;counter-reset:act}
.act{display:flex;gap:18px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;
     background:var(--surface);border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);padding:18px 22px}
.act::before{counter-increment:act;content:counter(act);flex-shrink:0;width:28px;height:28px;
             border-radius:50%;background:var(--primary-soft);color:var(--primary);
             display:grid;place-items:center;font-size:.82rem;font-weight:700;font-family:var(--font-mono)}
.act-body{flex:1;min-width:min(100%,320px)}
.act-body h3{font-family:var(--font);font-size:.95rem;font-weight:700;margin-bottom:3px}
.act-body p{font-size:.86rem;color:var(--text-muted);line-height:1.5}
.act-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* Table view — the accessibility fallback under every chart, and the relief
   for palette slots that sit under 3:1 on the light surface. */
.tbl-view{margin-top:14px;border-top:1px solid var(--border);padding-top:10px}
.tbl-view summary{font-size:.8rem;color:var(--primary);font-weight:600;cursor:pointer;
                  padding:4px 2px;border-radius:6px;width:fit-content}
.tbl-view summary:hover{text-decoration:underline}
.tbl-view[open] summary{margin-bottom:8px}
.tbl-scroll{overflow-x:auto;max-height:340px;overflow-y:auto}
table.tbl td.num,table.tbl th.num{text-align:right;font-variant-numeric:tabular-nums}
table.tbl th:first-child,table.tbl td:first-child{text-align:left}

/* ---- Savings levers ----
   Each lever shows its own arithmetic, because a savings total nobody can
   take apart is a savings total nobody believes. */
.levers{display:flex;flex-direction:column;gap:14px}
.lever{background:var(--surface);border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);
       padding:18px 22px;display:grid;grid-template-columns:1fr auto;gap:8px 24px;align-items:start}
.lever h3{font-family:var(--font);font-size:.98rem;font-weight:700}
.lever .l-basis{font-size:.84rem;color:var(--text-muted);line-height:1.5;grid-column:1}
.lever .l-assume{font-size:.78rem;color:var(--text-subtle);grid-column:1;margin-top:2px}
.lever .l-figs{grid-row:1 / span 3;text-align:right;display:flex;flex-direction:column;gap:2px}
.lever .l-annual{font-family:var(--font-mono);font-size:1.35rem;font-weight:800;
                 letter-spacing:-.02em;color:var(--primary)}
.lever .l-measured{font-size:.76rem;color:var(--text-subtle)}
.lever-total{display:flex;justify-content:space-between;align-items:center;gap:18px;
             padding:18px 22px;background:var(--surface);border-radius:var(--r);
             box-shadow:var(--ring),var(--sh-sm);border-top:3px solid var(--primary);
             font-size:.9rem;color:var(--text-muted);flex-wrap:wrap}
.lever-total strong{font-family:var(--font-mono);font-size:clamp(1.4rem,2.6vw,1.9rem);
                    color:var(--primary);letter-spacing:-.02em}
@media(max-width:760px){
  .lever{grid-template-columns:1fr}
  .lever .l-figs{grid-row:auto;text-align:left}
}

/* ---- State cards (Overview) ----
   One per section, each showing that section's own headline so the roll-up
   and the detail page can never disagree. */
.state-card{display:flex;flex-direction:column;gap:6px;padding:20px 22px;background:var(--surface);
            border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);
            border-left:5px solid var(--info);transition:transform .18s var(--ease-out),box-shadow .18s var(--ease-out)}
.state-card:hover{transform:translateY(-3px);box-shadow:var(--ring),var(--sh)}
.state-good{border-left-color:var(--good)} .state-warn{border-left-color:var(--warn)}
.state-bad{border-left-color:var(--bad)} .state-info{border-left-color:var(--info)}
.state-brand{border-left-color:var(--primary)}
.state-card .s-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;
                     color:var(--text-subtle);font-weight:600}
.state-card .s-answer{font-family:var(--font-display);font-size:1.05rem;font-weight:700;
                      line-height:1.25;letter-spacing:-.015em}
.state-card .s-detail{font-size:.84rem;color:var(--text-muted);line-height:1.5}
.state-card .s-go{font-size:.8rem;color:var(--primary);font-weight:600;margin-top:4px}

/* ---- Export cards (Executive) ---- */
.exports{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.export-card{display:flex;flex-direction:column;gap:8px;padding:20px 22px;background:var(--surface);
             border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm)}
.export-card h3{font-family:var(--font);font-size:.98rem;font-weight:700}
.export-card p{font-size:.84rem;color:var(--text-muted);line-height:1.5;flex:1}
.export-card .btn{width:fit-content;margin-top:4px}
.cost-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.cost-item{padding:16px 18px;background:var(--surface-2);border-radius:var(--r-sm)}
.cost-item dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;
              color:var(--text-subtle);font-weight:600;margin-bottom:4px}
.cost-item dd{font-family:var(--font-mono);font-size:1.3rem;font-weight:700;letter-spacing:-.02em}
.cost-item .src{font-size:.74rem;color:var(--text-subtle);font-family:var(--font);
                font-weight:400;letter-spacing:0;display:block;margin-top:4px;line-height:1.45}

/* ---- Explorer filters ----
   One block above the results, not a sidebar: filters are read left-to-right
   before the data, and a form post keeps every selection shareable as a URL. */
.filters{background:var(--surface);border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);
         padding:18px 20px;margin-bottom:20px;display:flex;flex-direction:column;gap:14px}
.filter-row{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:5px;min-width:160px;flex:1}
.field-wide{flex:2.4;min-width:260px}
.field label{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;
             color:var(--text-subtle);font-weight:600}
.field input,.field select{font-family:var(--font);font-size:.86rem;padding:9px 11px;
                           border-radius:var(--r-sm);border:1px solid var(--border);
                           background:var(--surface);color:var(--text);width:100%}
.field input:hover,.field select:hover{border-color:var(--border-strong)}
.field-actions{flex-direction:row;gap:8px;align-items:center;flex:0 0 auto;min-width:0}

.results-head{display:flex;justify-content:space-between;align-items:flex-end;
              gap:16px;flex-wrap:wrap;margin-bottom:16px}
.results-count{font-size:.95rem}
.results-count strong{font-family:var(--font-mono);font-size:1.25rem;color:var(--text)}

.pager{display:flex;justify-content:space-between;align-items:center;gap:16px;
       flex-wrap:wrap;padding-top:14px;margin-top:4px;border-top:1px solid var(--border);
       font-size:.82rem}
.pager-controls{display:flex;align-items:center;gap:12px}

.empty{text-align:center;padding:48px 20px;display:flex;flex-direction:column;
       align-items:center;gap:10px}
.empty h3{font-size:1.05rem}

/* ---- Auth screens ----
   No app shell: there is nothing to navigate to until you are signed in. */
.auth-body{display:grid;place-items:center;min-height:100vh;padding:24px;
           background:radial-gradient(circle at 15% 0%,rgba(15,118,110,.16),transparent 45%),
                      radial-gradient(circle at 85% 100%,rgba(245,158,11,.12),transparent 45%),
                      var(--bg)}
.auth-shell{width:100%;max-width:420px;display:flex;flex-direction:column;gap:16px}
.auth-card{background:var(--surface);border-radius:var(--r-lg);padding:32px;
           box-shadow:var(--ring),var(--sh-lg);display:flex;flex-direction:column;gap:6px}
.auth-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);
            font-weight:700;font-size:1.05rem;margin-bottom:14px}
.auth-brand .logo{width:34px;height:34px;border-radius:10px;
                  background:linear-gradient(135deg,var(--primary),var(--accent));
                  display:grid;place-items:center;color:#fff;flex-shrink:0}
.auth-card h1{font-size:1.5rem}
.auth-sub{font-size:.88rem;color:var(--text-muted);margin-bottom:18px;line-height:1.5}
.auth-form{display:flex;flex-direction:column;gap:14px;margin-bottom:10px}
.auth-flash{padding:11px 14px;border-radius:var(--r-sm);font-size:.85rem;margin-bottom:14px}
.auth-flash.bad{background:var(--bad-bg);color:var(--bad)}
.auth-flash.good{background:var(--good-bg);color:var(--good)}
.auth-foot{text-align:center;font-size:.85rem;color:var(--text-muted)}
.auth-foot a{color:var(--primary);font-weight:600}
.field-hint{font-size:.76rem;color:var(--text-subtle)}
.field-inline{font-family:var(--font);font-size:.82rem;padding:5px 9px;border-radius:8px;
              border:1px solid var(--border);background:var(--surface);color:var(--text)}
.btn-block{width:100%;justify-content:center;text-align:center;padding:11px 16px;font-size:.92rem}
.btn-quiet{margin-top:2px;background:transparent;border-style:dashed}

/* ---- Upload ---- */
.dropzone{border:2px dashed var(--border-strong);border-radius:var(--r);padding:34px 20px;
          text-align:center;cursor:pointer;display:flex;flex-direction:column;align-items:center;
          gap:10px;color:var(--text-muted);transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.over{border-color:var(--primary);background:var(--primary-soft)}
.dropzone p{font-size:.9rem;line-height:1.5}
.upload-progress{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.upload-progress .bar{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.upload-progress .bar-fill{height:100%;width:0;border-radius:999px;
                           background:linear-gradient(90deg,var(--primary),var(--accent));
                           transition:width .4s var(--ease)}
#upload-result{margin-top:14px}

/* ---- Target attainment ----
   Replaces single-month RAG. The tick strip is the point: it shows how many of
   the last twelve months hit the target, which a colour dot cannot. */
.attain{background:var(--surface);border-radius:var(--r);box-shadow:var(--ring),var(--sh-sm);
        padding:18px 20px;border-left:5px solid var(--info);display:flex;
        flex-direction:column;gap:6px}
.attain-good{border-left-color:var(--good)} .attain-warn{border-left-color:var(--warn)}
.attain-bad{border-left-color:var(--bad)}
.attain .a-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.attain .a-label{font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;
                 color:var(--text-subtle);font-weight:600}
.attain .a-level{font-family:var(--font-display);font-size:1.05rem;font-weight:700;
                 letter-spacing:-.015em}
.attain .a-bar{display:flex;gap:3px;margin:6px 0 2px}
.attain .a-tick{flex:1;height:8px;border-radius:3px;background:var(--g200);min-width:6px}
.attain .a-tick.met{background:var(--good)}
[data-theme="dark"] .attain .a-tick{background:var(--border-strong)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .attain .a-tick{background:var(--border-strong)}}
.attain .a-summary{font-size:.86rem;color:var(--text-muted);line-height:1.5}
.attain .a-meta{font-size:.8rem;color:var(--text-subtle)}
.attain .a-std{font-size:.74rem;color:var(--text-subtle);opacity:.85;line-height:1.45}

/* ---- Screen-reader only ---- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
         clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---- Responsive ---- */
@media(max-width:860px){
  .shell{grid-template-columns:1fr}
  .sidebar{transform:translateX(-100%);transition:transform .2s;box-shadow:var(--sh-lg)}
  .sidebar.open{transform:none}
  .main{grid-column:1}
  .menu-btn{display:grid!important}
  .content{padding:20px 16px}
  .answer{padding:20px}
}
.menu-btn{display:none}