:root {
  --login-graphite: #0b0d10;
  --login-panel: rgba(12, 15, 19, 0.965);
  --login-ivory: #f3f0e8;
  --login-muted: #a7adb4;
  --login-gold: #c8a66a;
  --login-gold-high: #e4c892;
  --login-red: #aa1f34;
  --login-ease: cubic-bezier(.22, .82, .22, 1);
}

.login-scene {
  display: block;
  overflow: hidden;
  isolation: isolate;
  background: var(--login-graphite);
}

.login-scene .login-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--login-graphite);
  background-image: url("assets/huimai-digital-twin.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
  transform-origin: center;
  transition: transform 1.05s var(--login-ease), filter .8s ease;
  will-change: transform;
}

.login-scene .login-visual::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background:
    linear-gradient(180deg, rgba(5, 7, 9, .34), rgba(5, 7, 9, .04) 36%, rgba(5, 7, 9, .84)),
    radial-gradient(circle at 50% 52%, transparent 24%, rgba(6, 8, 10, .28) 72%, rgba(6, 8, 10, .7));
  pointer-events: none;
}

.login-scene .login-visual::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  opacity: .34;
  background: linear-gradient(90deg, rgba(6, 8, 10, .04), rgba(6, 8, 10, .12) 58%, rgba(6, 8, 10, .54));
  transition: opacity .72s ease, background .72s ease;
  pointer-events: none;
}

.login-scene .network-lines {
  z-index: 3;
  opacity: .3;
  background-image:
    linear-gradient(rgba(200, 166, 106, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 166, 106, .055) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to top, #000, transparent 78%);
  animation: loginGridDrift 12s linear infinite;
  pointer-events: none;
}

.login-scene .ambient {
  z-index: 1;
  opacity: .12;
  pointer-events: none;
}

.login-scene .ambient-a {
  width: 420px;
  height: 420px;
  left: 28%;
  bottom: -8%;
  background: var(--login-gold);
  animation: loginAmbientGold 9s ease-in-out infinite;
}

.login-scene .ambient-b {
  width: 260px;
  height: 260px;
  top: 8%;
  right: 10%;
  background: var(--login-red);
  animation: loginAmbientRed 11s ease-in-out infinite;
}

.login-topbar {
  position: absolute;
  top: 42px;
  right: 60px;
  left: 60px;
  z-index: 5;
  display: flex;
  align-items: center;
  min-height: 72px;
  pointer-events: none;
}

.login-brand-lockup {
  width: 220px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 26px rgba(0, 0, 0, .32));
  animation: loginBrandEnter .72s .22s both var(--login-ease);
}

.login-scene .login-caption {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 10.6%;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(900px, calc(100% - 120px));
  max-width: 900px;
  text-align: center;
  transform: translateX(-50%);
  transition: left .76s var(--login-ease), transform .76s var(--login-ease), opacity .5s ease;
  will-change: left, transform;
}

.login-caption > .eyebrow {
  color: var(--login-gold-high);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .22em;
  animation: loginCaptionEnter .62s .4s both var(--login-ease);
}

.login-caption-rule {
  width: 116px;
  height: 1px;
  margin: 24px 0 28px;
  background: linear-gradient(90deg, transparent, var(--login-gold), transparent);
  animation: loginRuleEnter .74s .52s both ease-in-out;
}

.login-scene .login-caption h1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
  color: var(--login-ivory);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: clamp(52px, 3.75vw, 72px);
  font-weight: 500;
  letter-spacing: .025em;
  line-height: 1.18;
  text-wrap: balance;
}

.login-caption h1 span {
  display: block;
  animation: loginHeadlineEnter .82s both var(--login-ease);
}

.login-caption h1 span:first-child { animation-delay: .56s; }
.login-caption h1 span:last-child { animation-delay: .72s; }

.login-scene .login-caption p {
  max-width: 760px;
  margin: 28px 0 0;
  color: #c2c6ca;
  font-size: 20px;
  font-weight: 350;
  letter-spacing: .015em;
  line-height: 1.75;
  animation: loginCaptionEnter .72s .92s both var(--login-ease);
}

.login-entry-button,
.login-panel .primary-button {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid rgba(228, 200, 146, .76);
  background: linear-gradient(110deg, #9e773e, #d7b66f 52%, #e1c789);
  box-shadow: 0 18px 48px rgba(0, 0, 0, .25), inset 0 1px rgba(255, 255, 255, .32);
  color: #111318;
}

.login-entry-button::before,
.login-panel .primary-button::before {
  position: absolute;
  inset: -20px auto -20px -82px;
  z-index: 0;
  width: 62px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .58), transparent);
  transform: skewX(-18deg);
  transition: transform .72s ease-in-out;
  pointer-events: none;
}

.login-entry-button > span,
.login-panel .primary-button > span {
  position: relative;
  z-index: 1;
}

.login-entry-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 258px;
  height: 62px;
  margin-top: 38px;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  animation: loginButtonEnter .68s 1.12s both var(--login-ease);
  transition: transform .2s var(--login-ease), box-shadow .25s ease, filter .2s ease;
}

.login-entry-button[hidden] { display: none; }

.login-entry-button:hover,
.login-entry-button:focus-visible {
  filter: brightness(1.055);
  transform: translateY(-2px);
  box-shadow: 0 22px 64px rgba(200, 166, 106, .24), inset 0 1px rgba(255, 255, 255, .34);
}

.login-entry-button:hover::before,
.login-entry-button:focus-visible::before,
.login-panel .primary-button:hover::before,
.login-panel .primary-button:focus-visible::before {
  transform: translateX(410px) skewX(-18deg);
}

.login-entry-button:active { transform: translateY(0) scale(.975); }

.login-entry-button:focus-visible,
.login-panel :where(button, input):focus-visible {
  outline: 2px solid rgba(228, 200, 146, .88);
  outline-offset: 4px;
}

.login-entry-button .button-arrow { font-size: 27px; font-weight: 400; }

.login-scene .login-panel-wrap {
  position: absolute;
  z-index: 8;
  top: 32px;
  right: 32px;
  bottom: 32px;
  display: block;
  width: min(600px, calc(100% - 64px));
  padding: 0;
  overflow: visible;
  visibility: hidden;
  opacity: 0;
  background: transparent;
  transform: translateX(calc(100% + 64px));
  transition: transform .82s cubic-bezier(.16, 1, .3, 1), opacity .44s ease, visibility 0s linear .82s;
  pointer-events: none;
  will-change: transform, opacity;
}

.login-scene.is-login-panel-open .login-panel-wrap {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0s;
  pointer-events: auto;
}

.login-scene.is-login-panel-open .login-visual { transform: translateX(-34px) scale(1.018); }

.login-scene.is-login-panel-open .login-visual::after {
  opacity: 1;
  background: linear-gradient(90deg, rgba(6, 8, 10, .06), rgba(6, 8, 10, .22) 60%, rgba(6, 8, 10, .82));
}

.login-scene.is-login-panel-open .login-caption {
  left: calc((100% - 664px) / 2);
  width: min(900px, calc(100% - 760px));
}

.login-scene .login-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 54px 52px 42px;
  overflow-y: auto;
  border: 1px solid rgba(228, 200, 146, .2);
  border-radius: 24px;
  background:
    radial-gradient(circle at 52% 18%, rgba(200, 166, 106, .095), transparent 33%),
    linear-gradient(145deg, rgba(22, 26, 32, .97), rgba(11, 14, 18, .965));
  box-shadow: -34px 30px 110px rgba(0, 0, 0, .58), inset 0 1px rgba(255, 255, 255, .035);
  backdrop-filter: blur(18px) saturate(1.04);
  animation: none;
  scrollbar-width: thin;
  scrollbar-color: rgba(200, 166, 106, .34) transparent;
}

.login-scene .login-panel::before {
  position: absolute;
  top: 10%;
  bottom: 10%;
  left: -1px;
  width: 1px;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(228, 200, 146, .78), transparent);
  box-shadow: 0 0 22px rgba(200, 166, 106, .28);
  pointer-events: none;
}

.login-panel .brand-logo {
  width: 220px;
  height: auto;
  margin: 0;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, .26));
}

.login-panel .login-heading { margin-top: 42px; }

.login-panel .login-heading > .eyebrow {
  color: var(--login-gold-high);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .2em;
}

.login-panel .login-heading h2 {
  margin: 15px 0 0;
  color: var(--login-ivory);
  font-size: 40px;
  font-weight: 500;
  letter-spacing: .01em;
}

.login-panel .login-heading p {
  margin: 10px 0 0;
  color: var(--login-muted);
  font-size: 18px;
  font-weight: 350;
}

.login-panel .field {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin: 22px 0 0;
}

.login-panel .field:first-of-type { margin-top: 34px; }

.login-panel .field > span:first-child {
  margin: 0 0 10px;
  color: #d6d8da;
  font-size: 16px;
  font-weight: 400;
}

.login-panel .field input {
  width: 100%;
  height: 62px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 11px;
  outline: 0;
  background: rgba(255, 255, 255, .035);
  box-shadow: inset 0 1px rgba(255, 255, 255, .025);
  color: #f0eee8;
  font-size: 18px;
  font-weight: 400;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.login-panel .field input:hover { background: rgba(255, 255, 255, .045); }

.login-panel .field input:focus {
  border-color: rgba(200, 166, 106, .72);
  box-shadow: 0 0 0 4px rgba(200, 166, 106, .08), inset 0 1px rgba(255, 255, 255, .025);
}

.login-panel .field input:-webkit-autofill,
.login-panel .field input:-webkit-autofill:hover,
.login-panel .field input:-webkit-autofill:focus {
  box-shadow: 0 0 0 1000px #171b21 inset !important;
  -webkit-text-fill-color: var(--login-ivory) !important;
  caret-color: var(--login-ivory);
}

.login-panel .password-box { position: relative; display: flex; width: 100%; }
.login-panel .password-box input { padding-right: 82px; }

.login-panel .password-box .text-button {
  position: absolute;
  top: 50%;
  right: 3px;
  height: 44px;
  padding: 0 16px;
  border: 0;
  background: transparent;
  color: var(--login-gold-high);
  font-size: 15px;
  transform: translateY(-50%);
}

.login-panel .form-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0 0;
  color: var(--login-muted);
  font-size: 14px;
}

.login-panel .remember { display: flex; align-items: center; gap: 8px; }
.login-panel .remember input { width: 17px; height: 17px; accent-color: var(--login-gold); }

.login-panel .environment-chip {
  border-color: rgba(200, 166, 106, .3);
  background: rgba(200, 166, 106, .075);
  color: var(--login-gold-high);
  padding: 7px 12px;
  font-size: 12px;
}

.login-panel .login-error {
  min-height: 28px;
  height: auto;
  margin: 12px 0 4px;
  color: #e88795;
  font-size: 13px;
  line-height: 1.6;
}

.login-panel .login-error.is-success { color: #6fd0ba; }
.login-panel .login-error.is-warning { color: #d8b16a; }

.login-panel .primary-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 64px;
  padding: 0 22px;
  border-radius: 11px;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  transition: transform .2s var(--login-ease), box-shadow .22s ease, filter .2s ease;
}

.login-panel .primary-button:hover,
.login-panel .primary-button:focus-visible {
  filter: brightness(1.055);
  transform: translateY(-1px);
  box-shadow: 0 20px 52px rgba(200, 166, 106, .2), inset 0 1px rgba(255, 255, 255, .34);
}

.login-panel .primary-button:active { transform: translateY(0) scale(.985); }
.login-panel .primary-button.is-loading { opacity: .76; pointer-events: none; }
.login-panel .primary-button .button-arrow { font-size: 27px; font-weight: 400; }

.login-panel .login-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 24px;
  color: #818891;
  font-size: 12px;
  letter-spacing: .04em;
}

.login-panel.shake { animation: loginPanelShake .28s; }

@keyframes loginBrandEnter {
  from { opacity: 0; transform: translateY(-22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes loginCaptionEnter {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes loginRuleEnter {
  from { opacity: 0; transform: scaleX(0); }
  to { opacity: 1; transform: scaleX(1); }
}

@keyframes loginHeadlineEnter {
  from { opacity: 0; transform: translateY(48px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes loginButtonEnter {
  from { opacity: 0; transform: translateY(24px) scale(.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes loginGridDrift {
  to { background-position: -12px -20px, -12px -20px; }
}

@keyframes loginAmbientGold {
  50% { transform: translate(18px, -12px) scale(1.06); }
}

@keyframes loginAmbientRed {
  50% { transform: translate(-14px, 10px) scale(1.04); }
}

@keyframes loginPanelShake {
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@media (max-width: 1280px) {
  .login-topbar { top: 30px; right: 42px; left: 42px; }
  .login-brand-lockup { width: 205px; }
  .login-scene .login-caption { bottom: 8.5%; }
  .login-scene .login-caption h1 { font-size: clamp(48px, 4.2vw, 60px); }
  .login-scene.is-login-panel-open .login-caption { left: calc((100% - 584px) / 2); width: min(760px, calc(100% - 620px)); }
  .login-scene .login-panel-wrap { width: min(520px, calc(100% - 48px)); top: 24px; right: 24px; bottom: 24px; }
  .login-scene .login-panel { padding: 42px 40px 34px; }
  .login-panel .login-heading { margin-top: 34px; }
  .login-panel .login-heading h2 { font-size: 36px; }
}

@media (max-width: 900px) {
  html:not(.dashboard-active),
  html:not(.dashboard-active) body { overflow: hidden; }

  .login-scene {
    width: 100%;
    height: 100%;
    min-height: 100%;
  }

  .login-scene .login-visual { width: 100%; height: 100%; }
  .login-topbar { top: 22px; right: 24px; left: 24px; min-height: 58px; }
  .login-brand-lockup { width: 185px; }

  .login-scene .login-caption {
    left: 50%;
    bottom: 8vh;
    width: calc(100% - 40px);
    max-width: 680px;
  }

  .login-scene.is-login-panel-open .login-caption {
    left: 50%;
    opacity: .12;
    transform: translate(-50%, -12px) scale(.98);
  }

  .login-scene .login-caption h1 { font-size: clamp(40px, 8vw, 58px); }
  .login-scene .login-caption p { max-width: 620px; font-size: 17px; }

  .login-scene .login-panel-wrap {
    top: 16px;
    right: 16px;
    bottom: 16px;
    left: 16px;
    width: auto;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateY(calc(100% + 32px));
  }

  .login-scene.is-login-panel-open .login-panel-wrap { transform: translateY(0); }
  .login-scene.is-login-panel-open .login-visual { transform: scale(1.025); filter: brightness(.68); }

  .login-scene .login-panel {
    height: auto;
    min-height: 100%;
    max-width: 620px;
    margin: 0 auto;
    padding: 42px 40px 34px;
  }
}

@media (max-width: 600px) {
  .login-topbar { top: 16px; right: 18px; left: 18px; }
  .login-brand-lockup { width: 164px; }
  .login-caption > .eyebrow { font-size: 11px; letter-spacing: .16em; }
  .login-caption-rule { margin: 18px 0 22px; }
  .login-scene .login-caption h1 { font-size: clamp(36px, 11vw, 48px); line-height: 1.22; }
  .login-scene .login-caption p { margin-top: 20px; font-size: 15px; line-height: 1.7; }
  .login-entry-button { width: 232px; height: 58px; margin-top: 30px; font-size: 16px; }
  .login-scene .login-panel-wrap { top: 8px; right: 8px; bottom: 8px; left: 8px; }
  .login-scene .login-panel { padding: 30px 24px 24px; border-radius: 20px; }
  .login-panel .brand-logo { width: 190px; }
  .login-panel .login-heading { margin-top: 26px; }
  .login-panel .login-heading h2 { font-size: 30px; }
  .login-panel .login-heading p { font-size: 16px; }
  .login-panel .field:first-of-type { margin-top: 24px; }
  .login-panel .field { margin-top: 17px; }
  .login-panel .field input { height: 56px; font-size: 16px; }
  .login-panel .form-meta { font-size: 12px; }
  .login-panel .environment-chip { padding: 6px 9px; font-size: 10px; }
  .login-panel .primary-button { height: 58px; font-size: 16px; }
}

@media (max-height: 820px) and (min-width: 901px) {
  .login-scene .login-panel-wrap { top: 18px; right: 18px; bottom: 18px; }
  .login-scene .login-panel { padding: 30px 40px 26px; }
  .login-panel .brand-logo { width: 190px; }
  .login-panel .login-heading { margin-top: 24px; }
  .login-panel .login-heading h2 { font-size: 32px; }
  .login-panel .login-heading p { font-size: 16px; }
  .login-panel .field:first-of-type { margin-top: 22px; }
  .login-panel .field { margin-top: 14px; }
  .login-panel .field input { height: 52px; }
  .login-panel .form-meta { margin-top: 14px; }
  .login-panel .login-error { min-height: 22px; margin-top: 7px; }
  .login-panel .primary-button { height: 56px; }
  .login-panel .login-footer { padding-top: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .login-scene .network-lines,
  .login-scene .ambient,
  .login-brand-lockup,
  .login-caption > .eyebrow,
  .login-caption-rule,
  .login-caption h1 span,
  .login-caption p,
  .login-entry-button {
    animation: none !important;
  }

  .login-scene .login-visual,
  .login-scene .login-visual::after,
  .login-scene .login-caption,
  .login-scene .login-panel-wrap {
    transition-duration: .01ms !important;
  }
}