/* /login/ — 一键魔法链接登录 */
body.login-page {
  background: var(--bg-page);
  color: var(--ink-2);
  font-family: var(--f-serif-cn);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.login-top {
  text-align: center;
  padding: 36px 5vw 14px;
  border-bottom: var(--hairline);
  position: relative;
}
.login-back {
  position: absolute;
  left: 5vw;
  top: 36px;
  font-family: var(--f-serif-cn);
  font-size: 13px;
  color: var(--ink-3);
  text-decoration: none;
  letter-spacing: .2em;
  transition: color var(--d1) var(--ease);
}
.login-back:hover { color: var(--accent-tea); }
.login-brand {
  font-family: var(--f-serif-cn);
  font-size: 26px;
  letter-spacing: .35em;
  color: var(--ink-1);
  font-weight: 500;
  margin-bottom: 6px;
}
.login-sub {
  font-family: var(--f-serif-cn);
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: .25em;
}

.login-main {
  flex: 1;
  max-width: 520px;
  width: 100%;
  margin: 0 auto;
  padding: 56px 5vw 36px;
}
.step { animation: fadein .35s var(--ease); }
.step.hidden { display: none !important; }
@keyframes fadein {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.step-title {
  font-family: var(--f-serif-cn);
  font-size: 28px;
  letter-spacing: .15em;
  color: var(--ink-1);
  font-weight: 500;
  margin: 0 0 16px;
  line-height: 1.5;
}
.step-hint {
  font-family: var(--f-serif-cn);
  font-size: 14px;
  line-height: 2;
  letter-spacing: .08em;
  color: var(--ink-3);
  margin: 0 0 32px;
}
.step-hint b {
  color: var(--ink-1);
  font-weight: 500;
}

.row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 26px;
}
.row .lab {
  font-family: var(--f-serif-cn);
  font-size: 11.5px;
  letter-spacing: .35em;
  color: var(--ink-4);
}
.row input[type=email],
.row input[type=text] {
  font-family: var(--f-sans-en);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ink-5);
  border-radius: 0;
  padding: 12px 2px;
  font-size: 15px;
  color: var(--ink-1);
  letter-spacing: .02em;
  width: 100%;
  transition: border-color var(--d1) var(--ease);
}
.row input:focus {
  outline: none;
  border-bottom-color: var(--accent-tea);
}
.row input::placeholder {
  color: var(--ink-4);
  opacity: .7;
}

.primary, .ghost {
  font-family: var(--f-serif-cn);
  width: 100%;
  padding: 14px 24px;
  border-radius: 2px;
  font-size: 14px;
  letter-spacing: .35em;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--ink-5);
  transition: all var(--d1) var(--ease);
  margin-bottom: 12px;
}
.primary {
  background: var(--accent-tea);
  color: var(--bg-page);
  border-color: var(--accent-tea);
}
.primary:hover { background: var(--ink-1); border-color: var(--ink-1); }
.primary:disabled {
  opacity: .55;
  cursor: not-allowed;
  background: var(--ink-5);
  border-color: var(--ink-5);
}
.ghost {
  background: transparent;
  color: var(--ink-3);
}
.ghost:hover { color: var(--accent-tea); border-color: var(--accent-tea); }

.tiny {
  font-family: var(--f-serif-cn);
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: .25em;
  text-align: center;
  margin: 8px 0 0;
}
.alt {
  font-family: var(--f-serif-cn);
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: .15em;
  text-align: center;
  margin: 36px 0 0;
}
.alt a {
  color: var(--accent-tea);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent-tea);
}

.paper {
  background: var(--bg-soft);
  border: var(--hairline);
  border-radius: 2px;
  padding: 18px 20px;
  margin: 22px 0 28px;
  position: relative;
}
.paper::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='p'><feTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.4 0 0 0 0 0.35 0 0 0 0 0.28 0 0 0 0.018 0'/></filter><rect width='100%25' height='100%25' filter='url(%23p)'/></svg>");
  pointer-events: none;
}
.paper-row {
  font-family: var(--f-serif-cn);
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: .08em;
  color: var(--ink-3);
  position: relative;
}
.paper-row b {
  color: var(--ink-1);
  font-weight: 500;
}

.login-foot {
  text-align: center;
  padding: 28px 5vw 36px;
  border-top: var(--hairline);
  font-family: var(--f-serif-cn);
  font-size: 11.5px;
  color: var(--ink-4);
  letter-spacing: .25em;
}
.login-foot-cn {
  color: var(--ink-3);
  font-size: 13px;
  letter-spacing: .42em;
  margin-top: 8px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  background: var(--ink-1);
  color: var(--bg-page);
  padding: 12px 22px;
  border-radius: 2px;
  font-family: var(--f-serif-cn);
  font-size: 13.5px;
  letter-spacing: .15em;
  z-index: 999;
}
.toast.error { background: var(--accent-dark); }
.toast.hidden { display: none; }

@media (max-width: 720px) {
  .login-top { padding: 28px 5vw 12px; }
  .login-back { top: 30px; font-size: 12px; }
  .login-brand { font-size: 22px; letter-spacing: .3em; }
  .login-main { padding: 38px 5vw 24px; }
  .step-title { font-size: 22px; letter-spacing: .12em; }
  .step-hint { font-size: 13.5px; line-height: 1.95; }
}