:root {
  --bg: #f4f6f9; --card: #fff; --ink: #14202b; --mute: #5b6b7a; --line: #e2e8ef;
  --side: #0f2a3a; --side-ink: #cfe0ea; --accent: #0e7490; --accent-ink: #fff;
  --ok: #15803d; --warn: #b45309; --bad: #b91c1c; --info: #1d4ed8;
  --radius: 12px; --shadow: 0 1px 2px rgba(15, 42, 58, .06), 0 4px 14px rgba(15, 42, 58, .05);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d141b; --card: #151f29; --ink: #e7eef5; --mute: #93a4b4; --line: #26323f;
    --side: #0a1118; --accent: #22a6c6; --accent-ink: #04202a; --ok: #4ade80; --warn: #fbbf24; --bad: #f87171; --info: #7aa7ff;
    --shadow: none; }
}
* { box-sizing: border-box; }
html { font-size: 15px; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.5;
  font-family: system-ui, "Segoe UI", "Nirmala UI", "Noto Sans Tamil", "Noto Sans Arabic", sans-serif; }
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.25; }
main a { color: var(--accent); }
.muted, small { color: var(--mute); }
.err { color: var(--bad); min-height: 1.3em; margin: 0; font-size: .9rem; }

.logo { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--accent);
  color: var(--accent-ink); font-weight: 800; letter-spacing: .5px; }
.logo.sm { width: 38px; height: 38px; border-radius: 10px; font-size: .8rem; }

#login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); padding: 28px; display: grid; gap: 12px; }
.login-card h1 { font-size: 1.4rem; margin-top: 4px; }
.login-card p { margin: 0; }

label { display: grid; gap: 4px; font-size: .85rem; font-weight: 600; color: var(--mute); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 11px; width: 100%; }
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus, .btn:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px; }
input[type=checkbox] { width: auto; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 600; }

.btn { font: inherit; font-weight: 600; border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 4px 10px; font-size: .85rem; }
.btn[disabled] { opacity: .55; cursor: wait; }
.link { background: none; border: 0; color: var(--side-ink); text-decoration: underline; cursor: pointer; padding: 0; font: inherit; }

#shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-ink); padding: 18px 12px; display: flex; flex-direction: column;
  gap: 18px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 10px; align-items: center; padding: 0 6px; }
.brand b { display: block; color: #fff; }
.brand small { color: var(--side-ink); opacity: .75; }
nav { display: grid; gap: 2px; }
nav a { color: var(--side-ink); text-decoration: none; padding: 9px 12px; border-radius: 8px; font-weight: 500;
  display: flex; justify-content: space-between; align-items: center; }
nav a:hover { background: rgba(255, 255, 255, .07); }
nav a[aria-current=page] { background: rgba(255, 255, 255, .13); color: #fff; }
nav .count { background: var(--warn); color: #fff; border-radius: 99px; font-size: .75rem; padding: 0 7px; font-weight: 700; }
.who { margin-top: auto; padding: 10px 8px; border-top: 1px solid rgba(255, 255, 255, .12); display: grid; gap: 2px; }
.who small { color: var(--side-ink); opacity: .7; }
.who .link { justify-self: start; margin-top: 4px; }

main { padding: 28px clamp(16px, 3vw, 40px) 60px; max-width: 1180px; width: 100%; outline: none; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h2 { font-size: 1.5rem; }
.page-head p { margin: 2px 0 0; }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.kpi .label { color: var(--mute); font-size: .85rem; font-weight: 600; }
.kpi .value { font-size: 1.7rem; font-weight: 750; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--mute); font-size: .85rem; }
.two { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card h3 { font-size: 1rem; margin-bottom: 10px; }
.empty { color: var(--mute); padding: 18px 4px; text-align: center; }

.bars { display: grid; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr auto; gap: 10px; align-items: center; font-size: .9rem; }
.bar { height: 10px; border-radius: 99px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--mute); background: var(--bg); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.actions { white-space: nowrap; text-align: right; }
.tamil { white-space: pre-wrap; max-width: 520px; }

.pill { display: inline-block; padding: 1px 9px; border-radius: 99px; font-size: .78rem; font-weight: 700;
  border: 1px solid currentColor; white-space: nowrap; }
.pill.draft { color: var(--mute); } .pill.awaiting { color: var(--warn); } .pill.approved { color: var(--info); }
.pill.published, .pill.received, .pill.on { color: var(--ok); } .pill.pending { color: var(--warn); } .pill.off { color: var(--mute); }

.filters { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.filters button { font: inherit; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 5px 12px;
  border-radius: 99px; cursor: pointer; }
.filters button[aria-pressed=true] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

dialog { border: 1px solid var(--line); border-radius: 16px; background: var(--card); color: var(--ink); padding: 0;
  width: min(560px, calc(100vw - 24px)); box-shadow: 0 20px 60px rgba(0, 0, 0, .3); }
dialog::backdrop { background: rgba(8, 15, 22, .55); }
#dlgForm { padding: 22px; display: grid; gap: 12px; max-height: calc(100vh - 40px); overflow: auto; }
#dlgForm h3 { font-size: 1.15rem; }
.row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.ai-box { border: 1px dashed var(--line); border-radius: 10px; padding: 10px; display: grid; gap: 8px; }
.ai-box textarea { min-height: 70px; }

#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--ink);
  color: var(--bg); padding: 10px 18px; border-radius: 10px; opacity: 0; pointer-events: none; transition: .2s; z-index: 9; }
#toast.show { opacity: 1; transform: translateX(-50%); }
#toast.bad { background: var(--bad); color: #fff; }

.hl { display: grid; grid-template-columns: 320px 1fr; gap: 14px; align-items: start; }
.hl-list { padding: 6px; display: grid; gap: 2px; max-height: 72vh; overflow: auto; }
.hl-item { text-align: left; background: none; border: 0; padding: 10px; border-radius: 8px; cursor: pointer; color: var(--ink); font: inherit; display: grid; gap: 2px; }
.hl-item:hover, .hl-item.on { background: var(--bg); }
.hl-item .count { background: var(--warn); color: #fff; border-radius: 99px; font-size: .75rem; padding: 0 7px; font-weight: 700; margin-left: 6px; }
.hl-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.hl-msgs { display: grid; gap: 8px; max-height: 46vh; overflow: auto; padding: 6px 0; margin: 10px 0; }
.hl-msg { max-width: 80%; padding: 8px 12px; border-radius: 12px; background: var(--bg); border: 1px solid var(--line); }
.hl-msg.out { justify-self: end; background: color-mix(in srgb, var(--accent) 14%, var(--card)); }
.hl-thread textarea { min-height: 100px; }
.warnline { color: var(--warn); font-size: .9rem; }
@media (max-width: 820px) {
  .hl { grid-template-columns: 1fr; }
  #shell { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px; gap: 8px; }
  nav { display: flex; overflow-x: auto; order: 3; width: 100%; }
  nav a { white-space: nowrap; }
  .who { margin: 0 0 0 auto; border: 0; padding: 0; text-align: right; }
  .row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }