:root {
  --ca-brand: #0284c7;
  --ca-header: #0284c7;
  --ca-accent: #0ea5e9;
  --ca-bg: #f5f5f7;
  --ca-panel: #ffffff;
  --ca-panel-soft: #fafafa;
  --ca-border: #e5e5ea;
  --ca-muted: #6e6e73;
  --ca-fg: #1d1d1f;
  --ca-faint: #8e8e93;
  --ca-hover: #f2f2f7;
  --ca-input: #ffffff;
  --ca-accent-soft: rgba(2, 132, 199, 0.1);
  --ca-font: "Segoe UI", system-ui, sans-serif;
  --up: #137333;
  --down: #b3261e;
}
html.dark {
  --ca-brand: #f5f5f7;
  --ca-header: #ffffff;
  --ca-accent: #8e8e93;
  --ca-bg: #000000;
  --ca-panel: #1c1c1e;
  --ca-panel-soft: #2c2c2e;
  --ca-border: #38383a;
  --ca-muted: #98989d;
  --ca-fg: #f5f5f7;
  --ca-faint: #636366;
  --ca-hover: #2c2c2e;
  --ca-input: #1c1c1e;
  --ca-accent-soft: rgba(142, 142, 147, 0.18);
  --up: #8fd19e;
  --down: #ff8a80;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--ca-bg); color: var(--ca-fg); font: 15px/1.45 var(--ca-font); }
html.dark body { background: radial-gradient(900px 400px at 50% -5%, rgba(255,255,255,0.05), transparent 55%), #000; }
a { color: var(--ca-brand); }
html.dark a { color: #f5f5f7; }
.ca-topbar { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 0.55rem 1rem; border-bottom: 1px solid var(--ca-border); position: sticky; top: 0; background: color-mix(in srgb, var(--ca-panel) 92%, transparent); z-index: 20; }
.ca-topbar-left, .ca-main-nav, .ca-header-right { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.brand-lockup, .login-brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: inherit; }
.brand-cor { font-weight: 650; color: #0284c7; }
.brand-suffix { font-weight: 500; }
html.dark .brand-cor, html.dark .brand-suffix { color: #fff; }
.ca-main-nav a { color: var(--ca-muted); text-decoration: none; font-size: 0.86rem; }
.ca-main-nav a.active { color: var(--ca-fg); }
.ca-main { padding: 1rem 1.1rem 2rem; }
h1, h2 { font-weight: 600; letter-spacing: -0.02em; }
html.dark h1, html.dark h2 { color: #fff; }
.strip, .meters { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 0.8rem; }
.strip > div, .meters > div { background: var(--ca-panel); border: 1px solid var(--ca-border); border-radius: 12px; padding: 0.55rem 0.75rem; min-width: 8rem; }
.strip span, .meters span, .fine { color: var(--ca-muted); font-size: 0.78rem; }
.strip strong, .meters strong { display: block; font-size: 1.05rem; }
.up { color: var(--up); } .down { color: var(--down); }
.badge { display: inline-block; border: 1px solid var(--ca-border); border-radius: 999px; padding: 0.1rem 0.45rem; font-size: 0.75rem; margin-right: 0.25rem; }
.badge.danger { border-color: var(--down); color: var(--down); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0.8rem; }
.panel, table, .stack { background: var(--ca-panel); border: 1px solid var(--ca-border); border-radius: 14px; }
.panel { padding: 0.8rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.35rem 0.45rem; border-bottom: 1px solid var(--ca-border); font-size: 0.86rem; }
.btn { border: 1px solid var(--ca-border); background: var(--ca-panel-soft); color: var(--ca-fg); border-radius: 10px; padding: 0.4rem 0.7rem; cursor: pointer; }
.btn-primary { background: #0284c7; color: white; border-color: transparent; }
html.dark .btn-primary { background: #3a3a3c; color: #f5f5f7; }
.btn.danger { border-color: var(--down); color: var(--down); }
.stack label { display: grid; gap: 0.25rem; font-size: 0.85rem; }
input, select, textarea { background: var(--ca-input); color: var(--ca-fg); border: 1px solid var(--ca-border); border-radius: 10px; padding: 0.45rem 0.55rem; font: inherit; }
.login-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 1.5rem; background: var(--ca-bg); position: relative;
}
html.dark .login-shell { background: #000; }
.login-theme-toggle { position: absolute; top: 1rem; right: 1rem; z-index: 2; }
.login-card {
  width: 100%; max-width: 28rem;
  background-color: color-mix(in srgb, var(--ca-panel) 95%, transparent);
  background-image: linear-gradient(to bottom right, var(--ca-panel), color-mix(in srgb, var(--ca-accent) 12%, transparent));
  border: 1px solid var(--ca-border); border-radius: 1rem;
  padding: 2.25rem 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.18);
}
html.dark .login-card {
  background-image: linear-gradient(to bottom right, #1c1c1e, #1c1c1e);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.65);
}
.login-card .brand-row { display: flex; justify-content: center; margin-bottom: 1.75rem; }
.login-card .login-brand { display: flex; align-items: center; justify-content: center; gap: 0.7rem; }
.login-card .login-mark { width: 4.25rem; height: 4.25rem; border-radius: 0.85rem; display: block; }
.login-card .brand-word-login { font-size: 2.75rem; line-height: 1; letter-spacing: -0.03em; }
html.dark .login-card .brand-word-login { color: #fff; }
.login-card .form-field { margin-bottom: 1rem; }
.login-card .form-field label {
  display: block; text-transform: uppercase; letter-spacing: 0.06em;
  font-size: 0.7rem; font-weight: 500; color: var(--ca-muted); margin-bottom: 0.35rem;
}
.login-card .form-field input { width: 100%; font-size: 1rem; padding: 0.6rem 0.75rem; border-radius: 0.5rem; }
.login-card .btn-primary.btn-block {
  margin-top: 0.35rem; width: 100%; min-height: 2.5rem; border: none; border-radius: 0.5rem;
  font: inherit; font-weight: 600; cursor: pointer;
}
.login-card .btn-primary.btn-block:disabled { opacity: 0.65; cursor: wait; }
.login-help { margin: 1.15rem 0 0; text-align: center; font-size: 0.75rem; color: var(--ca-faint); }
.alert-error {
  background: #fff1f2; color: #9f1239; border: 1px solid #fecdd3;
  border-radius: 0.5rem; padding: 0.55rem 0.75rem; margin: 0 0 0.85rem; font-size: 0.9rem;
}
html.dark .alert-error { background: rgba(255, 69, 58, 0.12); color: #ff453a; border-color: rgba(255, 69, 58, 0.35); }
.corauth-panel { display: none; margin-bottom: 0.85rem; }
.corauth-panel.show { display: block; }
.login-info {
  background: var(--ca-accent-soft);
  border: 1px solid var(--ca-border);
  border-radius: 0.5rem; padding: 0.7rem 0.8rem; font-size: 0.9rem; color: var(--ca-fg);
}
.bypass-row { display: none; margin-top: 0.75rem; }
.bypass-row.show { display: block; }
@media (min-width: 640px) {
  .login-card .login-mark { width: 4.75rem; height: 4.75rem; }
  .login-card .brand-word-login { font-size: 3.25rem; }
}
@media (max-width: 640px) {
  .login-card { padding: 1.6rem 1.25rem; }
  .login-card .login-brand { flex-direction: column; }
  .ca-main-nav { display: none; }
}
.stack { padding: 0.9rem; display: grid; gap: 0.6rem; max-width: 520px; }
.tape { list-style: none; padding: 0; display: grid; gap: 0.4rem; }
canvas { width: 100%; background: var(--ca-panel-soft); border-radius: 12px; }