:root {
  color-scheme: light;
  --page: #f9f9f7; --surface: #fcfcfb; --raised: #ffffff;
  --ink: #0b0b0b; --ink2: #52514e; --muted: #898781;
  --grid: #e1e0d9; --axis: #c3c2b7; --ring: rgba(11,11,11,.10); --wash: rgba(11,11,11,.045);
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --good: #0ca30c; --good-text: #006300; --warn: #fab219; --warn-text: #7a5200; --serious: #ec835a; --crit: #d03b3b;
  --accent: #2a78d6; --accent-ink: #ffffff;
  --q100: #cde2fb; --q250: #86b6ef; --q400: #3987e5; --q550: #1c5cab; --q700: #0d366b;
  --font: system-ui, -apple-system, "Segoe UI", "Noto Sans Myanmar", "Padauk", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --raised: #222221;
    --ink: #f0efec; --ink2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --ring: rgba(255,255,255,.10); --wash: rgba(255,255,255,.06);
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --good-text: #0ca30c; --warn-text: #fab219; --accent: #3987e5;
    --q100: #0d366b; --q250: #104281; --q400: #256abf; --q550: #3987e5; --q700: #6da7ec;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --raised: #222221;
  --ink: #f0efec; --ink2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --ring: rgba(255,255,255,.10); --wash: rgba(255,255,255,.06);
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --good-text: #0ca30c; --warn-text: #fab219; --accent: #3987e5;
  --q100: #0d366b; --q250: #104281; --q400: #256abf; --q550: #3987e5; --q700: #6da7ec;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); } .ink2 { color: var(--ink2); }

/* shell */
.shell { display: grid; grid-template-columns: 224px 1fr; min-height: 100vh; }
.rail { position: sticky; top: 0; height: 100vh; padding: 20px 12px; border-right: 1px solid var(--grid); display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; font-weight: 650; font-size: 15px; }
.brand i { width: 26px; height: 26px; border-radius: 7px; background: var(--accent); display: grid; place-items: center; color: #fff; font-style: normal; font-size: 13px; font-weight: 700; }
.rail .grp { margin: 14px 10px 4px; color: var(--muted); font-size: 12px; }
.rail a.nav { display: flex; align-items: center; justify-content: space-between; padding: 7px 10px; border-radius: 8px; color: var(--ink2); text-decoration: none; }
.rail a.nav:hover { background: var(--wash); }
.rail a.nav[aria-current="page"] { background: var(--wash); color: var(--ink); font-weight: 600; }
.badge-n { background: var(--crit); color: #fff; border-radius: 99px; font-size: 11px; padding: 0 7px; font-weight: 600; }
.rail .foot { margin-top: auto; display: flex; flex-direction: column; gap: 4px; padding-top: 12px; }
main { padding: 22px 28px 60px; min-width: 0; max-width: 1280px; width: 100%; }
.topbar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.topbar h1 { font-size: 22px; }
.topbar .sub { color: var(--ink2); margin-top: 2px; }
.tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--grid); border-radius: 9px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; padding: 6px 12px; cursor: pointer; color: var(--ink2); }
.seg button + button { border-left: 1px solid var(--grid); }
.seg button[aria-pressed="true"] { background: var(--wash); color: var(--ink); font-weight: 600; }
.seg button:hover { background: var(--wash); }

/* controls */
.btn { border: 1px solid var(--grid); background: var(--surface); border-radius: 9px; padding: 6px 13px; cursor: pointer; color: var(--ink); }
.btn:hover { background: var(--wash); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--crit); }
.btn.sm { padding: 3px 9px; font-size: 13px; border-radius: 7px; }
.btn:disabled { opacity: .5; cursor: default; }
input, select, textarea { background: var(--surface); border: 1px solid var(--grid); border-radius: 8px; padding: 7px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
label.f { display: block; margin-bottom: 12px; color: var(--ink2); font-size: 13px; }
label.f > input, label.f > select, label.f > textarea { margin-top: 4px; color: var(--ink); font-size: 14px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* layout blocks */
.grid { display: grid; gap: 16px; margin-bottom: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .g21 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.card { background: var(--surface); border: 1px solid var(--ring); border-radius: 14px; padding: 16px 18px; min-width: 0; }
.card > header { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.card h2 { font-size: 14px; } .card .hint { color: var(--muted); font-size: 12.5px; margin-top: 1px; }
.card.plain { background: none; border: 0; padding: 0; }
.tbtn { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 12.5px; padding: 2px 6px; border-radius: 6px; }
.tbtn:hover { background: var(--wash); color: var(--ink); }
.loading { opacity: .55; transition: opacity .15s; }

/* hero + tiles */
.hero { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 40px; padding: 4px 2px 22px; }
.hero .lbl { color: var(--ink2); }
.hero .big { font-size: clamp(44px, 6vw, 68px); font-weight: 650; letter-spacing: -.03em; line-height: 1.02; margin-top: 4px; }
.hero .big small { font-size: .38em; font-weight: 500; color: var(--ink2); letter-spacing: 0; margin-left: 6px; }
.tile .lbl { color: var(--ink2); font-size: 13px; }
.tile .val { font-size: 28px; font-weight: 600; letter-spacing: -.02em; margin-top: 2px; line-height: 1.15; }
.tile .val small { font-size: 14px; font-weight: 500; color: var(--ink2); margin-left: 3px; }
.tile .sub { margin-top: 3px; font-size: 12.5px; color: var(--muted); }
.delta { font-size: 13px; font-weight: 600; white-space: nowrap; }
.delta.up { color: var(--good-text); } .delta.down { color: var(--crit); } .delta.flat { color: var(--muted); }
.tile.action { cursor: pointer; } .tile.action:hover { background: var(--raised); }

/* tables */
.tblwrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12.5px; padding: 6px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; } .nowrap { white-space: nowrap; }
tbody tr.click { cursor: pointer; } tbody tr.click:hover { background: var(--wash); }
.key { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; }
.empty { padding: 28px 10px; text-align: center; color: var(--muted); }
.st { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; font-weight: 500; white-space: nowrap; }
.st::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.st.active, .st.approved, .st.ok { color: var(--good-text); }
.st.expired, .st.pending { color: var(--warn-text); }
.st.pending::before, .st.expired::before { border-radius: 2px; transform: rotate(45deg); }
.st.revoked, .st.rejected, .st.fail { color: var(--crit); }
.st.revoked::before, .st.rejected::before, .st.fail::before { border-radius: 0; clip-path: polygon(0 0,100% 0,100% 100%,0 100%); background: none; border: 2px solid currentColor; width: 9px; height: 9px; }
.st.unused { color: var(--muted); }
.st.unused::before { background: none; border: 1.5px solid currentColor; }

/* charts */
.chart { width: 100%; position: relative; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart text { fill: var(--muted); font-size: 11.5px; font-family: var(--font); }
.chart .grid line { stroke: var(--grid); } .chart .axis { stroke: var(--axis); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0 0 8px; color: var(--ink2); font-size: 12.5px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.legend i.ln { height: 2px; width: 14px; border-radius: 2px; vertical-align: 3px; }
#tip { position: fixed; z-index: 50; pointer-events: none; opacity: 0; transition: opacity .08s; background: var(--raised); border: 1px solid var(--ring); box-shadow: 0 6px 24px rgba(0,0,0,.14); border-radius: 10px; padding: 8px 11px; font-size: 12.5px; max-width: 260px; }
#tip .t { color: var(--ink2); margin-bottom: 3px; }
#tip .r { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
#tip .r b { font-weight: 650; margin-left: 12px; }
#tip .r span { display: inline-flex; align-items: center; gap: 6px; color: var(--ink2); }
#tip .r i { display: inline-block; width: 10px; height: 2px; border-radius: 2px; }
.hb { display: grid; grid-template-columns: minmax(80px, 34%) 1fr; gap: 8px 12px; align-items: center; }
.hb .n { color: var(--ink2); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hb .tr { display: flex; align-items: center; gap: 8px; height: 22px; cursor: default; }
.hb .bar { height: 14px; border-radius: 0 4px 4px 0; min-width: 2px; }
.hb .v { font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.hb .v em { font-style: normal; color: var(--muted); font-weight: 400; margin-left: 5px; }
.heat { display: grid; grid-template-columns: 34px repeat(24, 1fr); gap: 2px; font-size: 11px; color: var(--muted); }
.heat .c { aspect-ratio: 1 / 0.8; border-radius: 3px; background: var(--wash); }
.heat .h { text-align: center; } .heat .d { align-self: center; }
.cohort td, .cohort th { padding: 4px 6px; text-align: center; border: 0; }
.cohort td.l, .cohort th.l { text-align: left; white-space: nowrap; }
.cohort .cell { border-radius: 5px; padding: 6px 4px; min-width: 44px; font-size: 12.5px; font-weight: 500; }
.strip { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 2px; height: 34px; }
.strip i { border-radius: 2px; background: var(--good); opacity: .85; } .strip i.f { background: var(--crit); opacity: 1; } .strip i.n { background: var(--wash); }
.donutwrap { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.dl { display: grid; gap: 7px; font-size: 13px; flex: 1; min-width: 150px; }
.dl div { display: flex; justify-content: space-between; gap: 12px; color: var(--ink2); }
.dl i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 8px; }
.dl b { color: var(--ink); font-weight: 600; }

/* modal / toast */
dialog { border: 1px solid var(--ring); border-radius: 16px; background: var(--surface); color: var(--ink); padding: 0; width: min(560px, calc(100vw - 24px)); max-height: 90vh; box-shadow: 0 20px 60px rgba(0,0,0,.28); }
dialog::backdrop { background: rgba(0,0,0,.42); }
dialog .mh { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px 6px; }
dialog .mb { padding: 8px 20px 4px; overflow-y: auto; max-height: calc(90vh - 130px); }
dialog .mf { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px 18px; }
dialog.wide { width: min(780px, calc(100vw - 24px)); }
#toast { position: fixed; left: 50%; bottom: 22px; transform: translate(-50%, 20px); opacity: 0; background: var(--ink); color: var(--page); padding: 9px 16px; border-radius: 10px; transition: .2s; z-index: 60; pointer-events: none; }
#toast.on { opacity: 1; transform: translate(-50%, 0); }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; margin-bottom: 14px; } .kv dt { color: var(--muted); } .kv dd { margin: 0; }
.keylist { background: var(--wash); border-radius: 10px; padding: 12px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; white-space: pre; overflow: auto; max-height: 260px; user-select: all; }
.callout { border-radius: 10px; padding: 11px 14px; background: var(--wash); color: var(--ink2); margin-bottom: 14px; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login form { width: min(360px, 100%); }
.login h1 { font-size: 24px; margin-bottom: 4px; }
.err { color: var(--crit); margin: 4px 0 10px; min-height: 1.4em; }

@media (max-width: 1000px) { .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); } .g21, .g3 { grid-template-columns: minmax(0,1fr); } }
@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; flex-direction: row; flex-wrap: nowrap; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--grid); padding: 8px 12px; align-items: center; }
  .rail .brand, .rail .grp { display: none; } .rail .foot { margin: 0 0 0 auto; flex-direction: row; padding: 0; }
  .rail a.nav { white-space: nowrap; }
  main { padding: 16px 16px 60px; } .g2, .g4 { grid-template-columns: minmax(0,1fr); } .g4.tiles { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .row2 { grid-template-columns: 1fr; } .heat { grid-template-columns: 26px repeat(24, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }