:root {
  --ink: #142033;
  --muted: #65758a;
  --line: #d8e2ed;
  --blue: #17365d;
  --blue-soft: #e3eef8;
  --gold: #9a5b08;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(211, 230, 247, 0.9), transparent 34rem),
    linear-gradient(140deg, #eef5fb, #f8fbfe 55%, #e9f1f9);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  line-height: 1.55;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.login-card {
  width: min(430px, 100%);
  padding: 1.5rem;
  border: 1px solid rgba(216, 226, 237, 0.9);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 24px 70px rgba(23, 54, 93, 0.16);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.mark {
  display: grid;
  place-items: center;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 14px;
  color: #fff;
  background: var(--blue);
  font-weight: 900;
}

.brand strong { display: block; }
.brand small { display: block; color: var(--muted); font-size: 0.7rem; }

.eyebrow {
  margin: 1.6rem 0 0.25rem;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.15;
}

.hint {
  margin: 0.45rem 0 1.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

form { display: grid; gap: 0.9rem; }

label > span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
}

select, input {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

select:focus, input:focus {
  outline: 3px solid rgba(36, 91, 145, 0.18);
  border-color: var(--blue);
}

.password-wrap { position: relative; }
.password-wrap input { padding-right: 4rem; }

.password-wrap button {
  position: absolute;
  top: 50%;
  right: 0.35rem;
  transform: translateY(-50%);
  padding: 0.35rem 0.55rem;
  border: 0;
  border-radius: 8px;
  color: var(--blue);
  background: var(--blue-soft);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
}

.primary, .secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.primary {
  border: 1px solid var(--blue);
  color: #fff;
  background: var(--blue);
}

.secondary {
  border: 1px solid var(--line);
  color: var(--blue);
  background: #fff;
}

.error {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border-radius: 9px;
  color: #8b2f2f;
  background: #fdecec;
  font-size: 0.78rem;
}

.hidden { display: none !important; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.footnote {
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 0.68rem;
  text-align: center;
}