:root {
  --navy: #102b4d;
  --blue: #1769aa;
  --light-blue: #e9f3fa;
  --ink: #1b2734;
  --muted: #64748b;
  --line: #d9e1e8;
  --surface: #ffffff;
  --background: #f3f6f8;
  --danger: #b42318;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--background); }
.site-header { min-height: 84px; padding: 16px max(5vw, 32px); background: var(--surface); border-bottom: 4px solid var(--blue); display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 18px; color: var(--navy); font-size: 18px; font-weight: 600; }
.brand img { width: 150px; max-height: 52px; object-fit: contain; }
.brand-rule { width: 1px; height: 34px; background: var(--line); }
.beta { border: 1px solid #bdd3e5; border-radius: 999px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .08em; padding: 6px 10px; }
.header-link { color: var(--blue); font-size: 14px; font-weight: 650; text-decoration: none; }
.header-link:hover { text-decoration: underline; }
main { max-width: 1050px; margin: 0 auto; padding: 64px 32px; }
.hero { margin-bottom: 32px; }
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
h1, h2, p { margin-top: 0; }
h1 { color: var(--navy); font-size: clamp(32px, 5vw, 46px); letter-spacing: -.035em; margin-bottom: 12px; }
.hero > p:last-child, .panel-header p, .how-it-works p { color: var(--muted); margin-bottom: 0; }
.panel, .how-it-works { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 22px rgba(16, 43, 77, .05); }
.panel { overflow: hidden; }
.panel-header, .panel-footer { align-items: center; display: flex; justify-content: space-between; padding: 24px 28px; }
.panel-header { border-bottom: 1px solid var(--line); }
h2 { color: var(--navy); font-size: 19px; margin-bottom: 6px; }
button { border: 0; border-radius: 6px; cursor: pointer; font: inherit; font-weight: 650; padding: 10px 15px; }
button:disabled { cursor: not-allowed; opacity: .5; }
.primary { background: var(--blue); color: white; }
.primary:hover:not(:disabled) { background: #10598f; }
.secondary { background: #f0f5f8; color: var(--navy); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: 16px 28px; text-align: left; }
th { background: #f8fafb; color: var(--muted); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
td { font-size: 15px; }
.actions { text-align: right; white-space: nowrap; }
.text-button { background: none; color: var(--blue); padding: 4px 8px; }
.text-button.danger { color: var(--danger); }
.empty { color: var(--muted); padding: 38px; text-align: center; }
.host-form { align-items: end; border-bottom: 1px solid var(--line); display: grid; gap: 16px; grid-template-columns: minmax(180px, 1fr) minmax(250px, 2fr) auto auto; padding: 24px 28px; }
label { color: var(--navy); display: block; font-size: 13px; font-weight: 650; margin-bottom: 7px; }
input { border: 1px solid #b8c6d1; border-radius: 6px; font: inherit; padding: 10px 11px; width: 100%; }
input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px #ddebF7; outline: 0; }
.panel-footer { background: #fafcfd; }
.panel-footer span { color: var(--muted); font-size: 14px; }
.notice { margin: 20px 28px 0; border-radius: 6px; padding: 12px 14px; }
.notice.success { background: #e9f7ef; color: #146c3a; }
.notice.error { background: #fff0ef; color: #a61b13; }
.how-it-works { margin-top: 28px; padding: 24px 28px; }
.how-it-works h2 { font-size: 16px; }
.timeline-panel { margin-top: 28px; }
.timeline { color: var(--muted); margin: 0; padding: 20px 48px 28px; }
.timeline li + li { margin-top: 10px; }
.sr-only { height: 1px; margin: -1px; overflow: hidden; position: absolute; width: 1px; }
@media (max-width: 700px) {
  .site-header { padding: 14px 20px; }
  .brand img { width: 110px; }
  .brand { font-size: 14px; gap: 10px; }
  main { padding: 38px 16px; }
  .panel-header, .panel-footer { padding: 20px; }
  .host-form { grid-template-columns: 1fr; padding: 20px; }
  th, td { padding: 14px 20px; }
}