:root {
  --accent: #009EE0;
  --content: #FAFAF5;
  --surface: #FFFFFF;
  --text: #1E2126;
  --muted: #6b7280;
  --border: rgba(0,0,0,0.08);
  --pass-bg: #d6f3e6; --pass-fg: #00794f;
  --fail-bg: #fbe0e3; --fail-fg: #b02636;
  --neutral-bg: #ececec; --neutral-fg: #6b7280;
  --sidebar: #f4f4ef;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #2CC4FF; --content: #1E2126; --surface: #262A30; --text: #f3f3f0;
    --muted: #9aa0a8; --border: rgba(255,255,255,0.10); --sidebar: #191c20;
    --pass-bg: #10312a; --pass-fg: #26CD97; --fail-bg: #3a1f24; --fail-fg: #EE7585;
    --neutral-bg: #2c3037; --neutral-fg: #9aa0a8;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--content); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }

/* Shell */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex-shrink: 0; background: var(--sidebar);
  border-right: 1px solid var(--border); padding: 16px 10px; overflow-y: auto;
}
.brand { font-weight: 700; font-size: 16px; padding: 6px 10px 14px; }
.nav-group { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); padding: 14px 10px 4px; }
.nav-item { display: block; padding: 7px 10px; border-radius: 8px; color: var(--text); }
.nav-item:hover { background: var(--border); }
.nav-item.active { background: var(--accent); color: #fff; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 12px; padding: 10px 20px;
  border-bottom: 1px solid var(--border); background: var(--content);
}
.spacer { flex: 1; }
.env-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.env-chip.prod { color: var(--fail-fg); font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.ok { background: #00CA88; } .dot.bad { background: #D9384B; }
.user { font-size: 13px; color: var(--muted); }
.logout { font-size: 13px; }
.client-switch select { padding: 4px 8px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.client-switch button, button { cursor: pointer; }
.env-switch { display: inline-flex; align-items: center; gap: 6px; }
.env-switch select { padding: 4px 8px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 13px; }
.env-switch.prod select { border-color: var(--fail-fg); color: var(--fail-fg); font-weight: 600; }
.login-env-label { display: flex; flex-direction: column; gap: 6px; text-align: left; font-size: 13px; color: var(--muted); margin-bottom: 4px; }

.content { padding: 20px 24px; max-width: 1100px; }
.page-title { font-size: 26px; font-weight: 800; margin: 0 0 16px; }

/* Cards & data */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.card-head { padding: 10px 14px; font-weight: 600; border-bottom: 1px solid var(--border); }
.card-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; }
.kv { display: flex; justify-content: space-between; gap: 12px; }
.kv-label { color: var(--muted); } .kv-value { font-weight: 600; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.pass { background: var(--pass-bg); color: var(--pass-fg); }
.pill.fail { background: var(--fail-bg); color: var(--fail-fg); }
.pill.neutral { background: var(--neutral-bg); color: var(--neutral-fg); }
.pill-wrap { display: flex; flex-wrap: wrap; gap: 8px; }

.stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.tile-value { font-size: 22px; font-weight: 800; }
.tile-label { font-size: 12px; color: var(--muted); }

.data-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.data-table th { text-align: left; font-size: 12px; color: var(--accent); padding: 10px 14px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.data-table tr:last-child td { border-bottom: none; }
.list-foot { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.placeholder { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }

/* Login */
.login-bg {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at top, #DEF2FF, var(--content));
}
@media (prefers-color-scheme: dark) { .login-bg { background: radial-gradient(circle at top, #1E2B46, #14171C); } }
.login-card {
  width: 340px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px; display: flex; flex-direction: column; gap: 10px; align-items: stretch;
  box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}
.login-icon { font-size: 42px; text-align: center; }
.login-title { text-align: center; margin: 0; font-size: 20px; }
.login-env { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.login-warn { text-align: center; color: var(--fail-fg); font-weight: 600; font-size: 13px; }
.login-error { text-align: center; color: var(--fail-fg); font-size: 13px; }
.field { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--content); color: var(--text); font-size: 14px; }
.btn-primary { padding: 11px; border: none; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; font-size: 15px; }

/* Mobile nav toggle — pure CSS (checkbox hack), no JS (CSP-safe). */
.nav-toggle { display: none; }
.nav-burger { display: none; }
.nav-scrim { display: none; }

/* Compact */
@media (max-width: 800px) {
  .content { padding: 16px; }
  .nav-burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; flex-shrink: 0; cursor: pointer;
    font-size: 18px; line-height: 1; color: var(--text);
    background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  }
  /* Slide-in drawer instead of the always-hidden sidebar. */
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; width: 250px; max-width: 82vw;
    display: block; transform: translateX(-100%); transition: transform .2s ease;
    z-index: 50; overflow-y: auto; box-shadow: 2px 0 24px rgba(0,0,0,.35);
  }
  .nav-toggle:checked ~ .sidebar { transform: translateX(0); }
  .nav-toggle:checked ~ .nav-scrim {
    display: block; position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.45);
  }
}

/* Download landing (/download) */
.dl-bg {
  min-height: 100vh; display: flex; align-items: flex-start; justify-content: center;
  background: radial-gradient(circle at top, #DEF2FF, var(--content)); padding: 48px 16px;
}
@media (prefers-color-scheme: dark) { .dl-bg { background: radial-gradient(circle at top, #1E2B46, #14171C); } }
.dl-wrap { width: 100%; max-width: 760px; }
.dl-header { text-align: center; margin-bottom: 28px; }
.dl-app-icon { font-size: 48px; }
.dl-title { margin: 6px 0 2px; font-size: 24px; }
.dl-sub { color: var(--muted); font-size: 14px; }
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.dl-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}
.dl-card-icon { font-size: 40px; }
.dl-card-title { margin: 0; font-size: 18px; }
.dl-version { font-weight: 700; }
.dl-date { color: var(--muted); font-size: 12px; }
.dl-btn { display: inline-block; text-align: center; margin: 8px 0; padding: 12px 20px; text-decoration: none; }
.dl-notes { color: var(--muted); font-size: 13px; }
.dl-hint { color: var(--muted); font-size: 12px; line-height: 1.4; margin-top: 4px; }
.dl-empty { color: var(--muted); padding: 20px 0; }
.dl-qr { width: 180px; height: 180px; background: #fff; border-radius: 12px; padding: 10px; margin: 6px auto 2px; }
.dl-qr svg { width: 100%; height: 100%; display: block; }
.dl-qr-cap { color: var(--muted); font-size: 12px; }
.dl-foot { text-align: center; margin-top: 24px; }