:root {
  --blue: #0959c1;
  --blue-hover: #1a68cc;
  --tint: #adce60;
  --ink: #1b1b1b;
  --muted: #5d5d5d;
  --line: #e5e5e5;
  --ground: #fbfbfb;
  --panel: #ffffff;
  --notice: #f0f0f0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--blue);
  color: var(--ink);
  font: 14px/20px "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
}

h1 { margin: 0; font-size: 28px; line-height: 36px; font-weight: 600; }
h2 { margin: 0 0 8px; font-size: 15px; line-height: 20px; font-weight: 600; }
p { margin: 0 0 12px; }

button:focus-visible, a:focus-visible { outline: 2px solid var(--ink); outline-offset: 1px; }
.nav button:focus-visible, .nav a:focus-visible { outline-color: #ffffff; }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: #ffffff; }
.small { font-size: 12px; line-height: 16px; color: var(--muted); }
.card { padding: 14px 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.notice { padding: 8px 12px; background: var(--notice); border: 1px solid var(--line); border-radius: 4px; font-size: 13px; color: var(--muted); }

.primary { min-height: 44px; padding: 8px 16px; border: 0; border-radius: 4px; background: var(--blue); color: #ffffff; font: inherit; font-weight: 600; cursor: pointer; }
.primary:hover { background: var(--blue-hover); }

.signin { display: flex; flex-direction: column; justify-content: center; gap: 16px; width: min(440px, 100%); min-height: 100vh; margin: 0 auto; padding: 16px; }
.signin h1 { margin-bottom: 8px; font-size: 22px; line-height: 28px; }
.signin form { margin-bottom: 12px; }
.signin .small { margin: 0; }

.shell { display: flex; flex-wrap: wrap; min-height: 100vh; }
.nav { flex: 1 1 220px; max-width: 100%; display: flex; flex-direction: column; gap: 2px; padding: 8px 4px; color: #ffffff; }
.nav .brand { padding: 8px 12px 12px; }
.nav-group { padding: 12px 12px 4px; font-size: 12px; font-weight: 600; }
.nav-item { display: flex; align-items: center; min-height: 36px; margin: 0 4px; padding: 4px 12px 4px 16px; border: 0; border-radius: 4px; background: none; color: #ffffff; font: inherit; text-align: left; text-decoration: none; }
.nav-item.current { border-left: 3px solid var(--tint); background: rgba(255, 255, 255, .2); font-weight: 600; }
.nav-item.off { color: rgba(255, 255, 255, .8); }
.nav-button { width: calc(100% - 8px); cursor: pointer; }
.nav-button:hover { background: rgba(255, 255, 255, .12); }
.nav-space { flex: 1; min-height: 12px; }
.nav-note { margin: 0; padding: 8px 12px; font-size: 12px; line-height: 16px; }

.content { flex: 999 1 560px; min-width: 0; padding: 20px 32px 40px; background: var(--ground); border-top-left-radius: 8px; }
.signed-in { margin-bottom: 14px; font-size: 13px; color: var(--muted); }

.sites { margin: 0; padding: 0; list-style: none; }
.sites li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 16px; min-height: 44px; padding: 8px 0; border-top: 1px solid var(--line); }
.site-address { overflow-wrap: anywhere; }

@media (max-width: 800px) {
  .content { order: -1; padding: 20px 16px 40px; border-top-left-radius: 0; }
}