:root {
  --gold-0: #fff4dc;
  --gold-1: #f4deaf;
  --gold-2: #ddbd7d;
  --gold-3: #b18b53;
  --gold-4: #6b5332;
  --ink-0: #1f1811;
  --ink-1: rgba(38, 28, 18, 0.78);
  --ink-2: rgba(61, 46, 27, 0.54);
  --panel-line: rgba(255, 234, 191, 0.56);
  --panel-sheen: rgba(255, 251, 242, 0.34);
  --text-main: #fff6e4;
  --text-soft: rgba(255, 244, 224, 0.8);
  --text-muted: rgba(255, 240, 212, 0.54);
  --font-ui: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-title: "STSong", "Songti SC", "Noto Serif SC", serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at 38% 48%, rgba(255, 246, 224, 0.34), transparent 18%),
    radial-gradient(circle at 85% 18%, rgba(250, 221, 167, 0.28), transparent 20%),
    linear-gradient(135deg, #725839 0%, #9e7f54 24%, #907150 44%, #7e6141 67%, #685136 100%);
  color: var(--text-main);
  overflow: hidden;
}

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

body::before {
  background:
    radial-gradient(circle at 50% 100%, rgba(255, 239, 212, 0.18), transparent 36%),
    linear-gradient(transparent 95%, rgba(255, 255, 255, 0.05) 100%);
  mix-blend-mode: screen;
}

body::after {
  background:
    radial-gradient(circle at 16% 86%, rgba(255, 231, 183, 0.22), transparent 18%),
    radial-gradient(circle at 66% 8%, rgba(255, 247, 230, 0.08), transparent 25%);
}

.login-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(480px, 620px);
  gap: clamp(36px, 5vw, 88px);
  align-items: center;
  min-height: 100vh;
  padding: clamp(40px, 4vw, 80px) clamp(44px, 5vw, 96px);
  isolation: isolate;
}

.login-shell__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(255, 236, 198, 0.08), transparent 35%),
    radial-gradient(circle at 34% 54%, rgba(255, 251, 243, 0.22), transparent 18%),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.015) 0,
      rgba(255, 255, 255, 0.015) 2px,
      transparent 2px,
      transparent 10px
    );
  opacity: 0.9;
}

.brand-stage {
  position: relative;
  min-height: 80vh;
  padding: clamp(42px, 5vw, 96px);
  border-radius: 48px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 247, 228, 0.05), rgba(60, 46, 27, 0.06)),
    radial-gradient(circle at 48% 48%, rgba(255, 249, 239, 0.26), transparent 28%),
    linear-gradient(145deg, rgba(255, 247, 228, 0.08) 0%, rgba(88, 64, 38, 0.08) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 239, 212, 0.1),
    0 18px 60px rgba(55, 35, 18, 0.24);
}

.brand-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 53% 48%, rgba(255, 251, 242, 0.86), rgba(255, 251, 242, 0.08) 22%, transparent 38%),
    linear-gradient(160deg, rgba(255, 239, 212, 0.18), transparent 32%),
    radial-gradient(circle at 12% 92%, rgba(89, 116, 46, 0.24), transparent 14%);
  filter: blur(2px);
  opacity: 0.9;
}

.brand-stage::after {
  content: "";
  position: absolute;
  inset: 4% 0 0 0;
  background:
    radial-gradient(circle at 18% 84%, rgba(61, 86, 36, 0.48), transparent 10%),
    radial-gradient(circle at 70% 76%, rgba(81, 97, 42, 0.4), transparent 8%),
    linear-gradient(180deg, transparent 56%, rgba(63, 45, 24, 0.14) 100%);
  opacity: 0.82;
}

.brand-stage__aurora {
  position: absolute;
  inset: 18% 12% auto;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 250, 241, 0.72), rgba(255, 250, 241, 0.08) 48%, transparent 70%);
  filter: blur(6px);
  animation: auroraShift 8s ease-in-out infinite;
}

.brand-stage__copy {
  position: relative;
  z-index: 1;
  max-width: min(100%, 900px);
  padding-top: 64px;
}

.brand-stage__eyebrow {
  font-size: clamp(14px, 1.1vw, 18px);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255, 244, 224, 0.78);
}

.brand-stage__title {
  margin: 24px 0 18px;
  font-family: var(--font-title);
  font-size: clamp(52px, 4.4vw, 88px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--gold-0);
  text-shadow: 0 0 26px rgba(255, 246, 224, 0.26);
}

.brand-stage__subtitle {
  font-family: var(--font-title);
  font-size: clamp(22px, 2.1vw, 42px);
  letter-spacing: 0.08em;
  color: rgba(255, 243, 219, 0.9);
}

.brand-stage__description {
  max-width: 560px;
  margin: 26px 0 0;
  font-size: clamp(15px, 1.25vw, 20px);
  line-height: 1.8;
  color: var(--text-soft);
}

.brand-stage__pond {
  position: absolute;
  inset: auto 8% 8% 9%;
  height: 180px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 250, 243, 0.18), transparent 38%),
    linear-gradient(180deg, rgba(61, 47, 31, 0.08), rgba(61, 47, 31, 0.2));
  filter: blur(0.2px);
}

.brand-stage__pond::before {
  content: "";
  position: absolute;
  inset: 20% 3% 18%;
  border-radius: 999px;
  border: 1px solid rgba(255, 242, 213, 0.22);
}

.brand-stage__stone {
  position: absolute;
  bottom: 34px;
  width: 72px;
  height: 20px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 246, 230, 0.95), rgba(188, 170, 146, 0.56));
  box-shadow: 0 0 18px rgba(255, 242, 214, 0.16);
}

.brand-stage__stone--one {
  left: 44%;
}

.brand-stage__stone--two {
  left: 54%;
  width: 84px;
}

.brand-stage__stone--three {
  left: 64%;
  width: 68px;
}

.login-panel {
  position: relative;
  align-self: center;
  min-height: 640px;
  padding: 86px 46px 48px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.26), rgba(223, 201, 162, 0.12)),
    linear-gradient(140deg, rgba(255, 246, 226, 0.18), rgba(104, 80, 49, 0.16));
  border: 1px solid rgba(255, 237, 204, 0.4);
  box-shadow:
    inset 0 0 0 1px rgba(255, 250, 240, 0.18),
    inset 0 24px 48px rgba(255, 249, 238, 0.08),
    0 24px 64px rgba(48, 31, 16, 0.22);
  backdrop-filter: blur(22px);
}

.login-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255, 251, 242, 0.22), transparent 14%, transparent 88%, rgba(255, 251, 242, 0.08)),
    linear-gradient(90deg, rgba(255, 247, 228, 0.08), transparent 30%, transparent 70%, rgba(255, 247, 228, 0.08));
  pointer-events: none;
}

.login-tabs {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.login-tab {
  height: 84px;
  border: 0;
  font-size: 22px;
  font-weight: 600;
  color: rgba(81, 53, 23, 0.88);
  background:
    linear-gradient(180deg, rgba(252, 239, 201, 0.92), rgba(224, 196, 141, 0.76)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.42), rgba(160, 122, 71, 0.2));
}

.login-tab:first-child {
  border-radius: 34px 34px 28px 0;
}

.login-tab:last-child {
  border-radius: 28px 34px 0 28px;
}

.login-tab--disabled {
  color: rgba(255, 242, 213, 0.7);
  background:
    linear-gradient(180deg, rgba(89, 66, 40, 0.86), rgba(73, 54, 34, 0.92)),
    linear-gradient(135deg, rgba(255, 245, 224, 0.1), rgba(255, 245, 224, 0));
  cursor: not-allowed;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 26px;
  margin-top: 18px;
}

.field {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 74px;
  padding: 0 24px 0 74px;
  border-radius: 999px;
  border: 1px solid rgba(255, 239, 210, 0.34);
  background: rgba(255, 251, 242, 0.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 232, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.03);
}

.field:focus-within {
  border-color: rgba(255, 244, 219, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 232, 0.22),
    0 0 0 4px rgba(255, 236, 196, 0.08),
    0 0 24px rgba(255, 236, 196, 0.14);
}

.field input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 18px;
  color: var(--text-main);
}

.field input::placeholder {
  color: rgba(255, 241, 214, 0.64);
}

.field__icon {
  position: absolute;
  left: 28px;
  width: 28px;
  height: 28px;
  opacity: 0.92;
}

.field__icon::before,
.field__icon::after {
  content: "";
  position: absolute;
}

.field__icon--user::before {
  top: 0;
  left: 7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255, 249, 237, 0.98), rgba(229, 202, 151, 0.95));
}

.field__icon--user::after {
  left: 2px;
  bottom: 0;
  width: 24px;
  height: 14px;
  border-radius: 14px 14px 8px 8px;
  background: linear-gradient(180deg, rgba(255, 249, 237, 0.98), rgba(229, 202, 151, 0.95));
}

.field__icon--lock::before {
  top: 0;
  left: 6px;
  width: 16px;
  height: 14px;
  border: 3px solid rgba(255, 246, 225, 0.96);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

.field__icon--lock::after {
  left: 3px;
  bottom: 0;
  width: 22px;
  height: 16px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255, 249, 237, 0.98), rgba(229, 202, 151, 0.95));
}

.login-form__hint-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  margin-top: -4px;
}

.login-form__hint,
.login-form__forgot {
  font-size: 15px;
  color: var(--text-muted);
}

.login-form__forgot {
  cursor: default;
}

.login-submit {
  min-height: 76px;
  margin-top: 10px;
  border: 0;
  border-radius: 999px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #5a3f1d;
  background:
    linear-gradient(180deg, rgba(255, 247, 226, 1) 0%, rgba(245, 223, 178, 0.98) 44%, rgba(226, 190, 123, 0.98) 100%);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.76),
    0 0 0 2px rgba(255, 233, 192, 0.3),
    0 0 36px rgba(255, 226, 170, 0.32);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.login-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.login-submit:active {
  transform: translateY(1px);
}

.login-submit[disabled] {
  cursor: wait;
  opacity: 0.9;
}

.login-message {
  min-height: 24px;
  margin: 0;
  padding-left: 6px;
  font-size: 15px;
  color: var(--text-soft);
}

.login-message[data-state="error"] {
  color: #fff0d1;
}

.login-message[data-state="success"] {
  color: #fff6dd;
}

@keyframes auroraShift {
  0%,
  100% {
    transform: translateX(-2%) scale(0.98);
    opacity: 0.68;
  }
  50% {
    transform: translateX(2%) scale(1.04);
    opacity: 0.98;
  }
}

@media (max-width: 1240px) {
  .login-shell {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .brand-stage {
    min-height: 46vh;
  }

  .login-panel {
    min-height: auto;
  }
}