:root {
  --paper: #faf6ef;
  --ink: #20302f;
  --muted: #68716d;
  --gold: #b8935f;
  --line: #d8c3a2;
  --navy: #22405c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(145deg, #faf6ef 0%, #f0e6d6 50%, #e8dcc8 100%);
  color: var(--ink);
}
.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card {
  width: min(420px, 100%);
  background: #fffcf6;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.6rem 1.5rem 1.75rem;
  box-shadow: 0 10px 28px rgba(32, 48, 47, 0.08);
}
.kicker {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 0.5rem;
}
h1 {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 1.55rem;
  margin: 0 0 0.5rem;
  font-weight: 650;
}
.lead {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 1.2rem;
}
label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.75rem 0 0.3rem;
}
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  font-size: 1rem;
  background: #fff;
  color: var(--ink);
}
input:focus {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.85rem 0 0.5rem;
}
.error {
  color: #8f304d;
  background: #fbf0f3;
  border: 1px solid #e8c5d0;
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
  margin: 0.5rem 0;
}
.primary {
  width: 100%;
  margin-top: 0.75rem;
  min-height: 44px;
  border: none;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}
.primary:disabled {
  opacity: 0.6;
  cursor: wait;
}
.primary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.role-picks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0 0 1rem;
}
.role-pick {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 0.95rem;
  cursor: pointer;
}
.role-pick:hover,
.role-pick:focus-visible {
  border-color: var(--gold);
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  background: rgba(250, 246, 239, 0.98);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}
.login-overlay[hidden] {
  display: none !important;
}