:root {
  --bg: #0f1419; --panel: #171e26; --panel2: #1e2731; --line: #2a3542;
  --ink: #e8edf2; --muted: #9aa7b4; --acc: #4da3ff; --acc2: #7cc4ff;
  --ok: #3ecf8e; --warn: #ffb020; --bad: #ff6b6b; --chip: #232e3a;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: Tahoma, "Segoe UI", system-ui, -apple-system, sans-serif; font-size: 15px; line-height: 1.65; }
[dir="rtl"] body, [dir="rtl"] { letter-spacing: 0 !important; }
a { color: var(--acc2); }
.muted { color: var(--muted); }
.err { color: var(--bad); }

/* login */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 24px; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 32px; width: 100%; max-width: 420px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 12px; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--acc); display: inline-block; }
.login-card label { display: block; margin: 12px 0; }
.login-card input { width: 100%; margin-top: 6px; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel2); color: var(--ink); font-size: 15px; font-family: inherit; }
button.primary { background: var(--acc); border: 0; color: #06121f; font-weight: 700;
  padding: 10px 18px; border-radius: 8px; cursor: pointer; font-size: 15px; font-family: inherit; width: 100%; margin-top: 8px; }
button.primary:hover { filter: brightness(1.1); }
.lang-row { display: flex; gap: 8px; margin: 8px 0 4px; }
.chip { background: var(--chip); border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px; padding: 5px 14px; cursor: pointer; font-family: inherit; font-size: 13px; }
.chip.on { border-color: var(--acc); color: var(--acc2); }

/* app shell */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 14px;
  background: var(--panel); border-bottom: 1px solid var(--line); padding: 10px 18px; flex-wrap: wrap; }
.topbar .spacer { flex: 1; }
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 57px); }
[dir="rtl"] .layout { direction: rtl; }
.sidenav { border-inline-end: 1px solid var(--line); background: var(--panel); padding: 14px 10px; }
.sidenav button { display: block; width: 100%; text-align: start; background: none; border: 0; color: var(--ink);
  padding: 9px 12px; border-radius: 8px; cursor: pointer; font-family: inherit; font-size: 14px; }
.sidenav button:hover { background: var(--panel2); }
.sidenav button.on { background: var(--panel2); color: var(--acc2); font-weight: 700; }
.content { padding: 22px 26px; max-width: 1180px; }
section.page { display: none; }
section.page.on { display: block; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin: 14px 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.card .big { font-size: 26px; font-weight: 800; }
table.grid { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
table.grid th, table.grid td { border: 1px solid var(--line); padding: 8px 10px; text-align: start; vertical-align: top; }
table.grid th { background: var(--panel2); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; align-items: center; }
.toolbar input, .toolbar select { background: var(--panel2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 8px 10px; font-family: inherit; font-size: 14px; }
.badge { display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: 12px; background: var(--chip); border: 1px solid var(--line); }
.b-high { color: var(--ok); border-color: var(--ok); } .b-med { color: var(--warn); border-color: var(--warn); }
.b-low, .b-unv { color: var(--bad); border-color: var(--bad); }
.bar { height: 10px; border-radius: 6px; background: var(--chip); overflow: hidden; margin-top: 6px; }
.bar > div { height: 100%; background: var(--acc); }
.detail { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin: 12px 0; }
.btn { background: var(--chip); border: 1px solid var(--line); color: var(--ink); border-radius: 8px;
  padding: 7px 14px; cursor: pointer; font-family: inherit; font-size: 14px; }
.btn:hover { border-color: var(--acc); }
.empty { border: 1px dashed var(--line); border-radius: 10px; padding: 22px; color: var(--muted); text-align: center; margin: 12px 0; }
.kv { display: grid; grid-template-columns: 200px 1fr; gap: 6px 14px; margin: 10px 0; font-size: 14px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidenav { display: flex; overflow-x: auto; gap: 4px; }
  .sidenav button { white-space: nowrap; }
  .content { padding: 16px; }
}