/* =========================================================
   登录页 · 黑白极简版（覆盖层）
   只作用于 #login-view，不碰后台任何样式。
   设计：纯白纸面 / 1px 黑线 / 反白黑条 / 下划线输入 / 0 圆角
   ========================================================= */

/* ---------- 底色与背景层 ---------- */
body:not(.mono-mode) { background: #fff; }

.ambient-bg,
.aurora,
.aurora-orb,
.aurora-ribbon,
.aurora-specks,
.aurora-grid { display: none !important; }

.login-wrap {
  background: #fff !important;
  padding: 40px 20px 76px;
  overflow: hidden;
}

/* 左侧超大描边水印 */
.login-wrap::before {
  content: "RHINE LAB";
  position: absolute;
  left: max(20px, 4.5vw);
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(40px, 6vw, 86px);
  font-weight: 800;
  letter-spacing: .1em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px #e2e2e2;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* ---------- 卡片 = 版面 ---------- */
.login-card {
  width: 432px;
  max-width: 100%;
  padding: 0 !important;
  border: 1px solid #0b0b0b !important;
  border-radius: 0 !important;
  background: #fff !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  transform: none !important;
  overflow: hidden;
  z-index: 1;
}

/* 顶部反白黑条 */
.login-card::before {
  content: "AUTHENTICATION / 身份验证";
  display: block;
  background: #0b0b0b;
  color: #fff;
  font-family: "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 9.5px;
  letter-spacing: .24em;
  padding: 10px 26px;
}

/* ---------- 品牌 ---------- */
.login-logo {
  width: 46px !important;
  height: 46px !important;
  margin: 26px 26px 20px !important;
  padding: 5px !important;
  border: 1px solid #0b0b0b !important;
  border-radius: 0 !important;
  background: #fff !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}
.login-logo img { width: 100% !important; height: 100% !important; object-fit: contain !important; }

.login-heading { text-align: left !important; padding: 0 26px; }

.login-kicker {
  display: block;
  margin: 0 0 10px !important;
  font-family: "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 9px !important;
  font-weight: 400 !important;
  letter-spacing: .24em !important;
  text-transform: uppercase;
  color: #8a8a8a !important;
}
.login-kicker::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background: #0b0b0b;
  vertical-align: 3px;
  margin-right: 9px;
}

.login-card h1 {
  margin: 0 !important;
  font-size: 27px !important;
  font-weight: 700 !important;
  letter-spacing: .02em;
  line-height: 1.15;
  color: #0b0b0b !important;
  text-align: left !important;
}

/* ---------- 字段：只留下划线 ---------- */
.login-field {
  margin: 0 !important;
  padding: 22px 26px 0;
}

.login-card label {
  display: block;
  margin: 0 0 5px !important;
  font-family: "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 11px !important;
  font-weight: 400 !important;
  letter-spacing: .08em;
  color: #4a4a4a !important;
}

.login-input-wrap {
  border-radius: 0 !important;
  background: none !important;
}
/* 原来的聚焦下划线动画、左侧图标都不要 */
.login-input-wrap::after { display: none !important; }
.login-input-wrap svg { display: none !important; }

.login-card input {
  width: 100%;
  padding: 8px 0 !important;
  border: 0 !important;
  border-bottom: 1px solid #0b0b0b !important;
  border-radius: 0 !important;
  background: #fff !important;
  color: #0b0b0b !important;
  font-size: 14px !important;
  letter-spacing: .01em;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  transition: border-color .15s;
}
.login-card input::placeholder { color: #c4c4c4 !important; }
.login-card input:hover { background: #fff !important; }
.login-card input:focus {
  border-bottom: 2px solid #0b0b0b !important;
  padding-bottom: 7px !important;
  background: #fff !important;
  box-shadow: none !important;
  transform: none !important;
}

/* ---------- 错误提示 ---------- */
#login-error {
  padding: 0 26px;
  margin: 12px 0 0 !important;
  min-height: 0;
  font-size: 11.5px !important;
  letter-spacing: .02em;
  color: #b3261e !important;
}

/* ---------- 提交按钮 ---------- */
.login-submit {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  width: calc(100% - 52px) !important;
  margin: 20px 26px 26px !important;
  height: 46px !important;
  padding: 0 18px !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: #0b0b0b !important;
  color: #fff !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  letter-spacing: .18em;
  text-transform: uppercase;
  box-shadow: none !important;
  transform: none !important;
  filter: none !important;
  transition: background .15s;
}
.login-submit::before { display: none !important; }
.login-submit:hover {
  background: #2a2a2a !important;
  box-shadow: none !important;
  transform: none !important;
  filter: none !important;
}
.login-submit:active { transform: none !important; }
.login-arrow {
  font-size: 15px !important;
  transition: transform .15s;
}
.login-submit:hover .login-arrow { transform: translateX(4px); }
.login-submit.is-loading .login-arrow {
  width: 14px; height: 14px;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: login-mono-spin .7s linear infinite;
}
@keyframes login-mono-spin { to { transform: rotate(360deg); } }

/* ---------- 底部备案 ---------- */
.site-filing {
  position: absolute !important;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 13px 20px 15px !important;
  border-top: 1px solid #ececec;
  background: #fff;
  font-size: 10.5px !important;
  letter-spacing: .02em;
  color: #9b9b9b !important;
}
.site-filing a {
  color: #6b6b6b !important;
  text-decoration: none !important;
}
.site-filing a:hover {
  color: #0b0b0b !important;
  text-decoration: underline !important;
}
.site-filing-police img { height: 13px !important; opacity: .75; }

/* ---------- 窄屏 ---------- */
@media (max-width: 900px) {
  .login-wrap::before { display: none; }
  .login-wrap { padding: 28px 16px 88px; }
}
@media (max-width: 520px) {
  .login-card { width: 100%; }
  .login-card h1 { font-size: 23px !important; }
  .login-logo { width: 40px !important; height: 40px !important; margin: 22px 22px 16px !important; }
  .login-card::before { padding: 9px 22px; }
  .login-heading, .login-field, #login-error { padding-left: 22px; padding-right: 22px; }
  .login-submit { width: calc(100% - 44px) !important; margin: 18px 22px 22px !important; }
  .site-filing { font-size: 10px !important; padding: 10px 14px 12px !important; }
}

@media (prefers-reduced-motion: reduce) {
  .login-submit.is-loading .login-arrow { animation-duration: 1.4s; }
}

/* ---- 记住账号（2026-11-07，与手机端一致） ---- */
/* 注意：.login-card label / .login-card input 的特异性更高（0,1,1），
   这里必须用 .login-card label.login-remember / .login-card .login-remember input 才能压住 */
.login-card label.login-remember {
  display: flex !important;
  align-items: center;
  gap: 8px;
  margin: 18px 26px 6px !important;
  padding: 0 !important;
  font-family: inherit;
  font-size: 12px !important;
  letter-spacing: .02em;
  color: #4a4a4a !important;
  cursor: pointer;
  user-select: none;
}
.login-card .login-remember input[type="checkbox"] {
  width: 14px !important;
  height: 14px !important;
  margin: 0 !important;
  padding: 0 !important;
  flex: none;
  border: 1px solid #0b0b0b !important;
  border-radius: 0 !important;
  background: #fff !important;
  accent-color: #0b0b0b;
  cursor: pointer;
}