:root {
  --login-mono: ui-monospace, SFMono-Regular, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --login-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --login-radius-card: 16px;
  --login-radius-control: 9px;
}

html[data-theme="dark"] {
  --login-bg: #08071a;
  --login-hero-a: #08071a;
  --login-hero-b: #221b60;
  --login-panel: rgba(255, 255, 255, .045);
  --login-panel-2: rgba(255, 255, 255, .028);
  --login-line: rgba(178, 172, 255, .16);
  --login-line-2: rgba(178, 172, 255, .10);
  --login-ink: #efedfb;
  --login-ink-2: #c6c1e8;
  --login-ink-3: #9891c4;
  --login-ink-4: #726ca0;
  --login-accent: #8b7dff;
  --login-accent-soft: rgba(139, 125, 255, .15);
  --login-button: #4f46e5;
  --login-button-hover: #5b54f0;
  --login-field: rgba(255, 255, 255, .04);
  --login-shadow: 0 30px 80px -30px rgba(0, 0, 0, .85);
  --login-alert-danger: rgba(255, 122, 145, .12);
  --login-alert-danger-line: rgba(255, 122, 145, .34);
  --login-alert-danger-ink: #ffdce3;
  --login-alert-warning: rgba(255, 205, 112, .12);
  --login-alert-warning-line: rgba(255, 205, 112, .34);
  --login-alert-warning-ink: #ffe7b1;
}

html[data-theme="light"] {
  --login-bg: #f4f5f7;
  --login-hero-a: #1a1554;
  --login-hero-b: #4b41c4;
  --login-panel: #fff;
  --login-panel-2: #fafafc;
  --login-line: #e5e5ec;
  --login-line-2: #eeeef3;
  --login-ink: #14131f;
  --login-ink-2: #3f3d52;
  --login-ink-3: #5f5c77;
  --login-ink-4: #8e8ba3;
  --login-accent: #4f46e5;
  --login-accent-soft: #e8e6fd;
  --login-button: #4f46e5;
  --login-button-hover: #4338ca;
  --login-field: #fff;
  --login-shadow: 0 20px 50px -28px rgba(30, 26, 80, .32);
  --login-alert-danger: #fff0f2;
  --login-alert-danger-line: #f3b4bf;
  --login-alert-danger-ink: #8f2437;
  --login-alert-warning: #fff8e8;
  --login-alert-warning-line: #e9c979;
  --login-alert-warning-ink: #765810;
}

* { box-sizing: border-box; }

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

body {
  background: var(--login-bg);
  color: var(--login-ink);
  font-family: var(--login-sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button,
input,
select { font: inherit; }

button,
select { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 2px solid var(--login-accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.login-stage {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  min-height: 100vh;
}

.login-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 56px 60px;
  overflow: hidden;
  background: radial-gradient(120% 90% at 14% 6%, var(--login-hero-b) 0%, var(--login-hero-a) 60%);
  color: #efedfb;
}

#login-flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.login-hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background-image: linear-gradient(rgba(178, 172, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(178, 172, 255, .06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 80% at 22% 22%, #000 18%, transparent 76%);
  -webkit-mask-image: radial-gradient(120% 80% at 22% 22%, #000 18%, transparent 76%);
}

.login-hero > * { position: relative; z-index: 2; }

.login-lockup { display: flex; align-items: center; gap: 11px; }

.login-glyph { width: 22px; height: 22px; flex: none; color: var(--login-accent); }

.login-mark {
  font-family: var(--login-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .26em;
  color: #efedfb;
}

.login-hero-copy {
  max-width: 560px;
  margin-top: auto;
  margin-bottom: auto;
  padding: 48px 0;
}

.login-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--login-accent);
  font-family: var(--login-mono);
  font-size: 11.5px;
  letter-spacing: .24em;
}

.login-eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--login-accent); opacity: .7; }

.login-hero h1 {
  margin: 0;
  font-size: clamp(38px, 4.2vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.login-hero h1 em { color: var(--login-accent); font-style: normal; }

.login-lede {
  max-width: 470px;
  margin: 20px 0 0;
  color: rgba(239, 237, 251, .55);
  font-size: 15.5px;
  line-height: 1.8;
  letter-spacing: .06em;
}

.login-hero-foot {
  color: rgba(239, 237, 251, .35);
  font-family: var(--login-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
}

.login-auth {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 48px 56px;
  background: var(--login-bg);
}

.login-auth::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(80% 60% at 100% 0%, rgba(139, 125, 255, .09), transparent 60%);
}

.login-utils {
  position: absolute;
  top: 26px;
  right: 28px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-pill,
.login-segmented {
  border: 1px solid var(--login-line);
  background: var(--login-panel-2);
}

.login-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  color: var(--login-ink-3);
  font-size: 12.5px;
}

.login-pill:focus-within,
.login-pill:hover { border-color: var(--login-accent); color: var(--login-ink-2); }

.login-pill select {
  max-width: 130px;
  border: 0;
  outline: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 12.5px;
}

.login-pill option { color: #14131f; }

.login-segmented {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
}

.login-segmented button {
  padding: 4px 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--login-ink-4);
  cursor: pointer;
  font-family: var(--login-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.login-segmented button[aria-pressed="true"] { background: var(--login-accent-soft); color: var(--login-accent); }

.login-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 424px;
  padding: 34px 34px 30px;
  border: 1px solid var(--login-line);
  border-radius: var(--login-radius-card);
  background: var(--login-panel);
  box-shadow: var(--login-shadow);
  backdrop-filter: blur(14px);
}

html[data-theme="dark"] .login-card { background-image: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .012)); }

.login-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: 26px;
  left: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--login-accent), transparent);
  opacity: .6;
}

.login-card-heading h2 { margin: 0 0 8px; font-size: 24px; font-weight: 700; letter-spacing: -.01em; }

.login-card-heading p { margin: 0 0 24px; color: var(--login-ink-3); font-size: 13px; }

.login-alerts { display: grid; gap: 10px; margin-bottom: 15px; }

.login-alert {
  position: relative;
  display: flex;
  gap: 7px;
  align-items: flex-start;
  padding: 10px 34px 10px 12px;
  border: 1px solid var(--login-line);
  border-radius: var(--login-radius-control);
  color: var(--login-ink-2);
  font-size: 12px;
  line-height: 1.55;
}

.login-alert strong { color: inherit; }

.login-alert--danger { border-color: var(--login-alert-danger-line); background: var(--login-alert-danger); color: var(--login-alert-danger-ink); }

.login-alert--warning { border-color: var(--login-alert-warning-line); background: var(--login-alert-warning); color: var(--login-alert-warning-ink); }

.login-alert-close {
  position: absolute;
  top: 5px;
  right: 6px;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: currentColor;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  opacity: .7;
}

.login-alert-close:hover { background: rgba(127, 125, 255, .12); opacity: 1; }

.login-field { margin-bottom: 15px; }

.login-field > label { display: block; margin-bottom: 6px; color: var(--login-ink-3); font-size: 12.5px; }

.login-input-wrap { position: relative; display: flex; align-items: center; }

.login-input-wrap input {
  width: 100%;
  height: 44px;
  padding: 0 13px;
  border: 1px solid var(--login-line);
  border-radius: var(--login-radius-control);
  outline: 0;
  background: var(--login-field);
  color: var(--login-ink);
  transition: border-color .18s, box-shadow .18s;
}

.login-input-wrap input::placeholder { color: var(--login-ink-4); }

.login-input-wrap input:focus { border-color: var(--login-accent); box-shadow: 0 0 0 3px var(--login-accent-soft); }

.login-eye {
  position: absolute;
  right: 6px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--login-ink-4);
  cursor: pointer;
}

.login-eye:hover { background: var(--login-accent-soft); color: var(--login-ink-2); }

.login-row { display: flex; align-items: center; justify-content: space-between; margin: 16px 0 20px; color: var(--login-ink-3); font-size: 12.5px; }

.login-row a { color: var(--login-accent); font-weight: 600; text-decoration: none; }

.login-row a:hover { text-decoration: underline; }

.login-check { display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }

.login-check input { width: 15px; height: 15px; margin: 0; accent-color: var(--login-button); cursor: pointer; }

.login-validation-summary,
.login-validation-message { color: #ff9eae; font-size: 12px; }

.login-validation-summary:empty,
.login-validation-message:empty { display: none; }

.login-validation-summary { margin: -5px 0 12px; }

.login-validation-summary ul { margin: 0; padding-left: 18px; }

.login-input-wrap input.input-validation-error { border-color: #e86a80; }

.login-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  min-height: 46px;
  border: 0;
  border-radius: var(--login-radius-control);
  background: var(--login-button);
  color: #fff;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 600;
  transition: background .18s, transform .12s, border-color .18s, color .18s;
}

.login-button:hover { background: var(--login-button-hover); }

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

.login-button--ghost { border: 1px solid var(--login-line); background: transparent; color: var(--login-ink-2); font-weight: 500; }

.login-button--ghost:hover { border-color: var(--login-accent); background: var(--login-accent-soft); color: var(--login-ink); }

.login-button-arrow { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }

.login-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0 14px; color: var(--login-ink-4); font-family: var(--login-mono); font-size: 11.5px; letter-spacing: .1em; white-space: nowrap; }

.login-divider::before,
.login-divider::after { content: ""; flex: 1; height: 1px; background: var(--login-line-2); }

.login-external-form + .login-external-form { margin-top: 10px; }

.login-provider-mark { display: grid; grid-template-columns: repeat(2, 7px); gap: 2px; width: 16px; height: 16px; flex: none; }

.login-provider-mark--image { display: block; width: 19px; height: 19px; object-fit: contain; }

.login-provider-mark span:nth-child(1) { background: #f25022; }
.login-provider-mark span:nth-child(2) { background: #7fba00; }
.login-provider-mark span:nth-child(3) { background: #00a4ef; }
.login-provider-mark span:nth-child(4) { background: #ffb900; }

.login-note { margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--login-line-2); color: var(--login-ink-4); font-size: 12px; line-height: 1.75; }

.login-legal { margin: 16px 0 0; color: var(--login-ink-4); font-family: var(--login-mono); font-size: 11px; letter-spacing: .06em; text-align: center; }

.login-icon { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }

@media (max-width: 1080px) {
  .login-stage { grid-template-columns: 1fr; }
  .login-hero { min-height: 380px; padding: 40px 32px; }
  .login-hero-copy { padding: 34px 0; }
  .login-auth { min-height: auto; padding: 72px 24px 56px; }
}

@media (max-width: 520px) {
  .login-hero { min-height: 330px; padding: 32px 22px; }
  .login-hero-copy { padding: 26px 0 18px; }
  .login-eyebrow { margin-bottom: 16px; font-size: 10px; letter-spacing: .16em; }
  .login-lede { margin-top: 14px; font-size: 14px; letter-spacing: .02em; }
  .login-auth { align-items: flex-start; padding: 88px 16px 36px; }
  .login-card { padding: 26px 22px 24px; }
  .login-utils { top: 16px; right: 18px; }
  .login-pill select { max-width: 94px; }
}

@media (max-width: 380px) {
  .login-utils { right: 12px; left: 12px; justify-content: space-between; }
  .login-pill { max-width: calc(100% - 92px); }
  .login-pill select { max-width: 82px; }
  .login-card-heading h2 { font-size: 22px; }
  .login-row { align-items: flex-start; gap: 12px; }
  .login-row a { text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}