/* ============================================================
   登录页 · 简洁居中卡片
   ============================================================ */

.login-body {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: var(--bg);
}

.login-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background-image:
    radial-gradient(900px 520px at 78% -10%, var(--glow-a), transparent 68%),
    radial-gradient(760px 480px at 10% 108%, var(--glow-b), transparent 68%);
}
.login-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: .55;
}
.login-orb-a {
  width: 460px;
  height: 460px;
  top: -240px;
  right: -110px;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
}
.login-orb-b {
  width: 380px;
  height: 380px;
  bottom: -200px;
  left: -100px;
  background: radial-gradient(circle, var(--gold-soft), transparent 68%);
}
.login-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .24;
  mask-image: radial-gradient(70% 60% at 50% 42%, #000 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 42%, #000 0%, transparent 100%);
}

/* ---------------- top bar ---------------- */
.login-topbar {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  height: 84px;
  padding: 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.login-brand { color: var(--text); }
.login-brand .brand-text strong { font-size: 17px; }
.login-brand .brand-text small { font-size: 14px; letter-spacing: .14em; }
.login-topbar-right { display: flex; align-items: center; gap: 10px; }
.login-theme-label { font-size: 14px; color: var(--text-3); }

/* ---------------- main ---------------- */
.login-main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 20px 26px;
}

.login-card {
  width: min(448px, 100%);
  padding: 36px 36px 24px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  animation: fade-up .45s var(--ease-out) both;
}
.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.login-card-head { margin-bottom: 26px; }
.login-eyebrow {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: 10px;
}
.login-card-head h1 { font-size: 31px; line-height: 1.2; letter-spacing: -.035em; }
.login-card-head p { margin-top: 8px; font-size: 14px; color: var(--text-2); line-height: 1.6; }

/* ---------------- form ---------------- */
.login-form { display: flex; flex-direction: column; gap: 18px; }
.login-form .field { gap: 8px; }
.login-form .field > label { font-size: 14px; font-weight: 650; color: var(--text); }
.login-form .input-shell .input {
  height: 50px;
  border-radius: 11px;
  font-size: 15.5px;
  padding-left: 44px;
  background: var(--input-bg);
}
.login-form .input-shell .input::placeholder { font-size: 14.5px; }
.login-form .input-shell .input-icon { left: 15px; }
.login-form .input-shell .input-icon .icon { width: 18px; height: 18px; }
.login-form .input-shell .input-action { width: 38px; height: 38px; right: 6px; }
.login-form .input-shell .input-action .icon { width: 18px; height: 18px; }
.login-form .field-hint { font-size: 14px; }
.login-form .form-between { margin-top: 0; }
.login-form .checkbox { font-size: 14px; }
.login-form .link-btn { font-size: 14px; }
.login-form .form-alert { font-size: 14px; padding: 11px 13px; }
.login-form .btn-lg { height: 50px; font-size: 15.5px; border-radius: 11px; margin-top: 2px; }
.login-form .btn-lg .icon { width: 18px; height: 18px; }

/* ---------------- demo ---------------- */
.demo-box {
  margin-top: 22px;
  padding: 10px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
  background: var(--surface-2);
}
.demo-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 2px;
  border: 0;
  background: transparent;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 550;
  text-align: left;
}
.demo-toggle .icon { width: 15px; height: 15px; margin-left: auto; transition: transform .2s var(--ease); }
.demo-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }
.demo-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.demo-list { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.demo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  text-align: left;
  transition: background .15s var(--ease);
}
.demo-item:hover { background: var(--surface); }
.demo-item > span:nth-child(2) { flex: 1; min-width: 0; }
.demo-item strong { display: block; font-size: 14px; font-weight: 600; }
.demo-item small { display: block; font-size: 14px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.demo-item .icon { width: 14px; height: 14px; color: var(--text-3); }
.demo-avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  flex: none;
}
.demo-avatar.admin { background: var(--accent-soft); color: var(--accent); }
.demo-avatar.manager { background: var(--gold-soft); color: var(--gold); }
.demo-avatar.staff { background: var(--surface-3); color: var(--text-2); }

/* ---------------- notes ---------------- */
.login-security-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-3);
  text-align: center;
}
.login-security-line .icon { width: 14px; height: 14px; color: var(--success); flex: none; }
.login-legal { margin-top: 10px; text-align: center; font-size: 14px; color: var(--text-3); line-height: 1.6; }

.login-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--text-3);
  font-size: 14px;
  flex-wrap: wrap;
}
.login-trust i { width: 3px; height: 3px; border-radius: 50%; background: var(--text-3); opacity: .6; }

.login-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-3);
  text-align: center;
  flex-wrap: wrap;
}

/* ---------------- responsive ---------------- */
@media (max-width: 640px) {
  .login-topbar { height: 70px; padding: 0 18px; }
  .login-brand .brand-text strong { font-size: 15.5px; }
  .login-brand .brand-text small { font-size: 14px; }
  .login-theme-label { display: none; }
  .login-main { padding: 8px 16px 22px; justify-content: flex-start; }
  .login-card { padding: 28px 22px 20px; border-radius: 18px; margin-top: 18px; }
  .login-card-head { margin-bottom: 22px; }
  .login-card-head h1 { font-size: 27px; }
  .login-card-head p { font-size: 14px; }
  .login-form { gap: 16px; }
  .login-form .input-shell .input { height: 48px; font-size: 15px; }
  .login-form .btn-lg { height: 48px; font-size: 15px; }
  .login-trust { margin-top: 18px; font-size: 14px; gap: 8px; }
  .login-footer { margin-top: 12px; font-size: 14px; }
}

@media (max-width: 380px) {
  .login-card { padding: 24px 16px 18px; }
  .login-card-head h1 { font-size: 25px; }
  .login-brand .brand-text small { display: none; }
}

@media (max-height: 760px) and (min-width: 641px) {
  .login-topbar { height: 64px; }
  .login-main { padding-top: 6px; }
  .login-card { padding-top: 26px; padding-bottom: 18px; }
  .login-card-head { margin-bottom: 18px; }
  .login-trust { margin-top: 14px; }
  .login-footer { margin-top: 8px; }
}

/* Chrome autofill in dark themes */
[data-theme="blue"] .login-form input:-webkit-autofill,
[data-theme="black"] .login-form input:-webkit-autofill {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 0 1000px var(--surface) inset;
  caret-color: var(--text);
  transition: background-color 9999s ease-in-out 0s;
}