:root {
  --bg: #0b1020;
  --surface: rgba(20, 27, 45, 0.84);
  --surface-2: #1b2336;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --ink: #f8fafc;
  --ink-2: #cbd5e1;
  --muted: #94a3b8;
  --brand: #1b3cff;
  --brand-hover: #3d5bff;
  --accent: #ffcd00;
  --ok: #22c55e;
  --warn: #f59e0b;
  --error: #ef4444;
  --info: #4fd0ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }

/* the hidden attribute must win over display:grid/flex rules (login vs dashboard) */
[hidden] { display: none !important; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background: radial-gradient(circle at 8% 0, #1b3cff2e, transparent 32rem),
    radial-gradient(circle at 92% 100%, #da251d1a, transparent 30rem), var(--bg);
  font: 15px/1.55 "Fira Sans", sans-serif;
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button, input, textarea, select { min-height: 40px; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--info);
  outline-offset: 2px;
}

.login-card {
  width: min(440px, calc(100% - 32px));
  margin: 12vh auto 0;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(12px);
  animation: enter 260ms cubic-bezier(.2, .8, .2, 1) both;
}

.mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #da251d, var(--accent));
  border-radius: 12px;
  box-shadow: 0 8px 22px #da251d33;
  font-weight: 700;
  font-size: 20px;
}

.mark.small { width: 34px; height: 34px; border-radius: 8px; font-size: 14px; }
.eyebrow { color: var(--muted); font-size: 12px; letter-spacing: 1.5px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: 28px; }
h2 { margin-bottom: 14px; font-size: 16px; }
.muted { color: var(--muted); }
.mono { font-family: "Fira Code", monospace; font-variant-numeric: tabular-nums; }

label { display: block; margin: 14px 0 6px; color: var(--ink-2); }
input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  color: var(--ink);
  background: #11182a;
  border: 1px solid var(--line-2);
  border-radius: 8px;
}
textarea { resize: vertical; }
.password-field, .toolbar, .actions, .check { display: flex; align-items: center; gap: 8px; }
.password-field input { flex: 1; }
.check { gap: 8px; margin: 0; }
.check input { width: auto; min-height: auto; }
.button, .actions button, td button {
  padding: 9px 13px;
  color: var(--ink-2);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
}
.button.primary { color: #fff; background: var(--brand); border-color: transparent; font-weight: 600; }
.button.primary:hover { background: var(--brand-hover); }
.button.quiet { background: transparent; }
.button.wide { width: 100%; margin-top: 20px; }
.error-summary { margin: 16px 0; padding: 10px; color: #fecaca; background: #451a1a; border: 1px solid #7f1d1d; border-radius: 8px; }

.shell { display: grid; min-height: 100vh; grid-template-columns: 240px 1fr; }
.sidebar { padding: 20px 14px; background: #0b1020cc; border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; margin-bottom: 26px; }
.sidebar nav { display: grid; gap: 5px; }
.sidebar nav button { padding: 11px 12px; font-size: 15px; color: var(--ink-2); text-align: left; background: transparent; border: 0; border-radius: 8px; }
.sidebar nav button:hover, .sidebar nav button.active { color: #fff; background: #1b3cff33; }
.logout { width: 100%; margin-top: 28px; text-align: left; }
.nav-toggle { display: none; }
.main-content { min-width: 0; padding: 28px clamp(16px, 4vw, 48px); }
.page-header { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 24px; }
.content { display: grid; gap: 16px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.stat-card, .panel { padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; backdrop-filter: blur(12px); }
.stat-card { display: grid; gap: 4px; }
.label { color: var(--muted); font-size: 12px; }
.stat-value { font: 700 28px "Fira Code", monospace; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.badge {
  display: inline-block;
  padding: 3px 8px;
  color: var(--ink-2);
  border: 1px solid var(--line-2);
  border-radius: 99px;
  font: 12px "Fira Code", monospace;
}
.badge.ok, .status.ok { color: var(--ok); }
.status.off { color: var(--muted); }
.bars { display: grid; gap: 12px; }
.bar-row { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 8px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.bar-row i { position: absolute; bottom: 0; left: 0; height: 3px; background: linear-gradient(90deg, var(--brand), var(--info)); }
.audit-list, .plain-list { display: grid; gap: 8px; padding: 0; margin: 0; list-style: none; }
.plain-list li { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--line); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 650px; }
th, td { padding: 11px 8px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { position: sticky; top: 0; color: var(--muted); background: var(--surface-2); font-size: 11px; letter-spacing: .7px; text-transform: uppercase; }
.grow { flex: 1; }
.drop-zone {
  display: grid;
  min-height: 112px;
  place-items: center;
  padding: 24px;
  color: var(--ink-2);
  text-align: center;
  border: 1px dashed var(--line-2);
  border-radius: 12px;
}
.drop-zone input { display: none; }
.upload-list { display: grid; gap: 8px; margin-top: 12px; }
.upload-item {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 12px;
  align-items: center;
  padding: 8px;
  background: #11182a;
  border-radius: 8px;
}
progress { width: 100%; accent-color: var(--brand); }
.form-panel { max-width: 760px; }
.result-box { margin-top: 18px; padding: 18px; background: #11182a; border: 1px solid var(--line); border-radius: 10px; font-size: 18px; }
.result-meta { display: flex; gap: 8px; margin-top: 12px; font-size: 13px; }
.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  padding: 12px 16px;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.visible { opacity: 1; transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }

@keyframes enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (max-width: 900px) {
  .shell { display: block; }
  .sidebar { position: fixed; z-index: 2; width: 260px; height: 100vh; transform: translateX(-100%); transition: transform 180ms ease; }
  .sidebar.open { transform: none; }
  .nav-toggle { position: fixed; top: 16px; left: 16px; z-index: 3; display: block; }
  .main-content { padding-top: 72px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .login-card { padding: 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .page-header, .toolbar { align-items: stretch; flex-direction: column; }
  .toolbar .button, .toolbar input, .toolbar select { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}

/* PSVH logo (white variant for dark UI) */
.logo { display: block; height: 82px; width: auto; margin: 0 auto 18px; filter: drop-shadow(0 6px 18px rgba(27, 60, 255, .35)); }
.logo.small { height: 34px; margin: 0; filter: none; }