/* Standalone employee login page, based on docs/ui-reference/.../17-employee-login.png. */
:root {
  --login-blue: #1768e9;
  --login-blue-strong: #075de8;
  --login-text: #10213b;
  --login-muted: #4f5f74;
  --login-border: #cfd8e6;
  --login-bg-left: #f2f6fb;
  --login-bg-right: #f8fbff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body.caihe-login-page {
  min-height: 100vh;
  overflow: hidden;
  color: var(--login-text);
  background: linear-gradient(90deg, var(--login-bg-left) 0 48.2%, var(--login-bg-right) 48.2% 100%);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body.caihe-login-page::before,
body.caihe-login-page::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body.caihe-login-page::before {
  background:
    radial-gradient(circle at 28% 32%, rgba(255, 255, 255, .78), transparent 31%),
    radial-gradient(circle at 78% 16%, rgba(226, 234, 246, .5), transparent 34%),
    linear-gradient(135deg, rgba(21, 99, 225, .04), transparent 42%);
}

body.caihe-login-page::after {
  opacity: .28;
  background:
    linear-gradient(120deg, transparent 0 62%, rgba(210, 221, 237, .34) 62% 63%, transparent 63% 100%),
    linear-gradient(180deg, transparent 0 70%, rgba(217, 226, 239, .42) 70% 70.2%, transparent 70.2% 100%);
}

.caihe-login-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 48.2% 51.8%;
  width: 100vw;
  min-height: 100vh;
}

.caihe-login-intro {
  position: relative;
  min-width: 0;
  min-height: 100vh;
  padding: clamp(190px, 25vh, 270px) clamp(72px, 9.4vw, 180px) 72px;
  overflow: hidden;
}

.caihe-login-brand {
  display: inline-grid;
  grid-template-columns: 82px max-content;
  align-items: center;
  gap: 26px;
  color: var(--login-text);
  text-decoration: none;
}

.caihe-login-logo {
  position: relative;
  display: block;
  width: 74px;
  height: 74px;
  filter: drop-shadow(0 12px 20px rgba(23, 104, 233, .18));
}

.caihe-login-logo::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, #0c58d9 0%, #1b7bff 100%);
  clip-path: polygon(50% 0, 92% 24%, 92% 72%, 50% 100%, 8% 76%, 8% 26%);
}

.caihe-login-logo::after {
  content: "";
  position: absolute;
  inset: 18px 16px 16px 23px;
  border-radius: 9px 9px 5px 5px;
  background: linear-gradient(90deg, transparent 0 42%, #fff 42% 100%);
  transform: skewY(-8deg);
}

.caihe-login-brand strong {
  display: block;
  max-width: min(560px, 32vw);
  color: #10213b;
  font-size: clamp(40px, 3.35vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  white-space: nowrap;
}

.caihe-login-rule {
  display: block;
  width: 72px;
  height: 6px;
  margin: 60px 0 40px;
  border-radius: 999px;
  background: var(--login-blue);
}

.caihe-login-copy {
  display: grid;
  gap: 19px;
  color: var(--login-muted);
  font-size: clamp(20px, 1.35vw, 24px);
  font-weight: 650;
  line-height: 1.25;
}

.caihe-login-copy p {
  margin: 0;
  white-space: nowrap;
}

.caihe-login-illustration {
  position: absolute;
  left: 7.5%;
  right: -4%;
  bottom: 0;
  height: 430px;
  opacity: .38;
  pointer-events: none;
}

.caihe-login-illustration::before {
  content: "";
  position: absolute;
  left: 7%;
  bottom: 20px;
  width: 330px;
  height: 195px;
  border: 2px solid rgba(191, 207, 229, .42);
  border-top: 0;
  transform: skewX(-28deg);
}

.caihe-login-illustration::after {
  content: "";
  position: absolute;
  left: -11%;
  bottom: -130px;
  width: 112%;
  height: 310px;
  background:
    linear-gradient(145deg, rgba(203, 215, 234, .2), rgba(203, 215, 234, .04) 64%),
    linear-gradient(35deg, rgba(203, 215, 234, .18), transparent 45%);
  clip-path: polygon(0 22%, 17% 0, 39% 34%, 73% 0, 100% 24%, 100% 100%, 0 100%);
}

.caihe-login-illustration span {
  position: absolute;
  display: block;
  border: 2px solid rgba(182, 201, 225, .56);
  background: rgba(255, 255, 255, .24);
}

.scene-warehouse {
  left: 14%;
  bottom: 148px;
  width: 150px;
  height: 76px;
}

.scene-warehouse::before {
  content: "";
  position: absolute;
  left: 20px;
  top: -66px;
  width: 120px;
  height: 80px;
  border: 2px solid rgba(182, 201, 225, .56);
  border-bottom: 0;
  transform: skewX(-28deg);
}

.scene-truck {
  left: 36%;
  bottom: 92px;
  width: 118px;
  height: 54px;
  border-radius: 4px;
}

.scene-truck::after {
  content: "";
  position: absolute;
  right: -45px;
  bottom: -2px;
  width: 46px;
  height: 38px;
  border: 2px solid rgba(182, 201, 225, .56);
  border-left: 0;
  border-radius: 0 8px 4px 0;
}

.scene-chart {
  left: 55%;
  top: 88px;
  width: 96px;
  height: 82px;
  border-radius: 8px;
}

.scene-chart::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  height: 42px;
  background:
    linear-gradient(180deg, transparent 0 18px, rgba(182, 201, 225, .72) 18px 100%) 0 0 / 13px 100%,
    linear-gradient(180deg, transparent 0 8px, rgba(182, 201, 225, .72) 8px 100%) 25px 0 / 13px 100%,
    linear-gradient(180deg, transparent 0 24px, rgba(182, 201, 225, .72) 24px 100%) 50px 0 / 13px 100%;
  background-repeat: no-repeat;
}

.scene-board {
  left: 76%;
  top: 116px;
  width: 72px;
  height: 90px;
  border-radius: 9px;
}

.scene-board::before {
  content: "";
  position: absolute;
  left: 17px;
  right: 17px;
  top: 19px;
  height: 48px;
  background: repeating-linear-gradient(180deg, rgba(182, 201, 225, .7) 0 3px, transparent 3px 15px);
}

.caihe-login-card {
  align-self: center;
  justify-self: center;
  width: min(700px, calc(100% - 148px));
  min-height: 700px;
  padding: 82px 64px 70px;
  border: 1px solid rgba(211, 221, 235, .92);
  border-radius: 13px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 26px 66px rgba(21, 43, 80, .15);
}

.caihe-login-card h1 {
  margin: 0 0 54px;
  color: #10213b;
  font-size: 34px;
  font-weight: 900;
  line-height: 1.1;
}

.caihe-login-card form {
  display: grid;
  gap: 0;
}

.caihe-login-field {
  display: grid;
  gap: 15px;
  margin: 0 0 30px;
  color: #10213b;
  font-size: 18px;
  font-weight: 800;
}

.caihe-login-input {
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr) 34px;
  align-items: center;
  min-height: 73px;
  padding: 0 22px;
  border: 1px solid var(--login-border);
  border-radius: 6px;
  background: rgba(255, 255, 255, .9);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.caihe-login-field:first-of-type .caihe-login-input {
  grid-template-columns: 31px minmax(0, 1fr) 0;
}

.caihe-login-input:focus-within {
  border-color: var(--login-blue);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(23, 104, 233, .1);
}

.caihe-login-input svg {
  width: 24px;
  height: 24px;
  color: #9aa7b8;
  stroke-width: 1.9;
}

.caihe-login-input input {
  min-width: 0;
  min-height: 71px;
  border: 0;
  outline: 0;
  padding: 0 12px;
  color: #10213b;
  background: transparent;
  font: inherit;
  font-weight: 650;
}

.caihe-login-input input::placeholder {
  color: #9ba7b7;
  font-weight: 650;
}

.caihe-password-toggle {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 0;
  padding: 0;
  color: #50627a;
  background: transparent;
  cursor: pointer;
}

.caihe-login-remember {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 11px;
  margin: 6px 0 34px;
  color: #24344b;
  font-size: 18px;
  font-weight: 760;
  cursor: pointer;
}

.caihe-login-remember input {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--login-blue);
}

.caihe-login-message {
  min-height: 22px;
  margin: -16px 0 18px;
  color: transparent;
  font-size: 14px;
  font-weight: 750;
}

.caihe-login-message[data-tone="success"] {
  color: #16a34a;
}

.caihe-login-message[data-tone="error"] {
  color: #dc2626;
}

.caihe-login-submit {
  min-height: 73px;
  width: 100%;
  border: 0;
  border-radius: 6px;
  color: #fff;
  background: var(--login-blue-strong);
  box-shadow: 0 13px 30px rgba(23, 104, 233, .24);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0;
  cursor: pointer;
}

.caihe-login-submit:hover,
.caihe-login-submit:focus-visible {
  background: #0355d8;
}

@media (max-width: 1100px) {
  body.caihe-login-page {
    overflow: auto;
  }

  .caihe-login-shell {
    grid-template-columns: 1fr;
    width: auto;
    padding: 34px 20px;
  }

  .caihe-login-intro {
    min-height: 0;
    padding: 10px 0 30px;
    text-align: center;
  }

  .caihe-login-brand {
    grid-template-columns: 60px max-content;
    gap: 16px;
    margin: 0 auto;
  }

  .caihe-login-logo {
    width: 58px;
    height: 58px;
  }

  .caihe-login-logo::after {
    inset: 14px 13px 13px 18px;
  }

  .caihe-login-brand strong {
    max-width: 72vw;
    font-size: 34px;
  }

  .caihe-login-rule {
    width: 54px;
    height: 4px;
    margin: 26px auto 18px;
  }

  .caihe-login-copy {
    gap: 8px;
    font-size: 16px;
  }

  .caihe-login-illustration {
    display: none;
  }

  .caihe-login-card {
    width: min(100%, 560px);
    min-height: 0;
    padding: 40px 26px 32px;
  }

  .caihe-login-card h1 {
    margin-bottom: 32px;
  }
}

@media (max-width: 560px) {
  .caihe-login-shell {
    padding: 26px 14px;
  }

  .caihe-login-brand {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .caihe-login-logo {
    width: 48px;
    height: 48px;
  }

  .caihe-login-brand strong {
    font-size: 28px;
  }

  .caihe-login-copy p {
    white-space: normal;
  }

  .caihe-login-card {
    padding: 30px 18px 24px;
  }

  .caihe-login-input,
  .caihe-login-submit {
    min-height: 56px;
  }

  .caihe-login-input input {
    min-height: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .caihe-login-input,
  .caihe-login-submit {
    transition: none;
  }
}

/* UI goal pass 2026-07-11: make the staff entry feel like an operational login, not a generic oversized splash. */
@media (min-width: 1101px) {
  body.caihe-login-page {
    background:
      linear-gradient(90deg, #eef4fb 0 45%, #f8fbff 45% 100%);
  }

  .caihe-login-shell {
    grid-template-columns: 45% 55%;
  }

  .caihe-login-intro {
    padding: clamp(150px, 20vh, 210px) clamp(64px, 8vw, 142px) 64px;
  }

  .caihe-login-brand {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 22px;
  }

  .caihe-login-logo {
    width: 64px;
    height: 64px;
  }

  .caihe-login-logo::after {
    inset: 16px 14px 14px 20px;
  }

  .caihe-login-brand strong {
    max-width: 420px;
    font-size: clamp(36px, 2.75vw, 46px);
  }

  .caihe-login-rule {
    width: 64px;
    height: 5px;
    margin: 44px 0 30px;
  }

  .caihe-login-copy {
    gap: 14px;
    max-width: 430px;
    font-size: clamp(17px, 1.08vw, 20px);
    line-height: 1.45;
  }

  .caihe-login-card {
    width: min(560px, calc(100% - 112px));
    min-height: 0;
    padding: 56px 54px 52px;
    border-radius: 10px;
    box-shadow: 0 24px 58px rgba(21, 43, 80, .12);
  }

  .caihe-login-card h1 {
    margin-bottom: 36px;
    font-size: 32px;
  }

  .caihe-login-field {
    gap: 10px;
    margin-bottom: 22px;
    font-size: 16px;
  }

  .caihe-login-input {
    min-height: 60px;
    padding: 0 18px;
  }

  .caihe-login-input input {
    min-height: 58px;
  }

  .caihe-login-remember {
    margin: 2px 0 26px;
    font-size: 16px;
  }

  .caihe-login-message {
    margin: -8px 0 14px;
  }

  .caihe-login-submit {
    min-height: 60px;
    border-radius: 7px;
    font-size: 21px;
  }

  .caihe-login-illustration {
    height: 340px;
    opacity: .28;
  }
}