:root {
  color-scheme: light dark;
  --page: #f2f4f7;
  --surface: #ffffff;
  --text: #17191d;
  --muted: #667085;
  --line: #d7dce4;
  --accent: #1769e0;
  --accent-hover: #0f57bd;
  --danger: #b42318;
  --danger-soft: #fff1f0;
  --success: #067647;
  --success-soft: #ecfdf3;
  --focus: #0a84ff;
  --shadow: 0 14px 36px rgba(24, 34, 52, 0.12);
}

* { box-sizing: border-box; }

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--page);
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  background: var(--page);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  letter-spacing: 0;
}

button,
input { font: inherit; letter-spacing: 0; }

.login-shell {
  width: min(100% - 32px, 420px);
  margin: auto;
  padding: 48px 0 24px;
}

.login-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.login-brand img {
  display: block;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 8px;
  object-fit: cover;
}

.login-brand div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.login-brand strong {
  font-size: 17px;
  line-height: 1.3;
}

.login-brand span {
  color: var(--muted);
  font-size: 12px;
}

.login-copy {
  display: grid;
  gap: 7px;
  padding: 24px 22px 8px;
}

.login-copy h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
}

.login-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.login-alert {
  margin: 12px 22px 0;
  padding: 11px 12px;
  border: 1px solid color-mix(in srgb, var(--danger) 30%, var(--line));
  border-radius: 6px;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 13px;
  line-height: 1.5;
}

.login-notice {
  margin: 12px 22px 0;
  padding: 11px 12px;
  border: 1px solid color-mix(in srgb, var(--success) 30%, var(--line));
  border-radius: 6px;
  background: var(--success-soft);
  color: var(--success);
  font-size: 13px;
  line-height: 1.5;
}

.login-account {
  max-width: 100%;
  margin-top: 3px;
  overflow: hidden;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.login-form {
  display: grid;
  gap: 16px;
  padding: 20px 22px 24px;
}

.login-form label {
  display: grid;
  gap: 7px;
}

.login-form label span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.login-form label small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.login-form input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: 0;
  background: var(--surface);
  color: var(--text);
}

.login-form input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 20%, transparent);
}

.login-form button {
  min-height: 44px;
  margin-top: 2px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 750;
  cursor: pointer;
}

.login-form button:hover { background: var(--accent-hover); }
.login-form button:focus-visible { outline: 3px solid color-mix(in srgb, var(--focus) 35%, transparent); outline-offset: 2px; }

.login-secondary-action {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.login-secondary-action:hover { color: var(--text); text-decoration: underline; }
.login-secondary-action:focus-visible { outline: 3px solid color-mix(in srgb, var(--focus) 30%, transparent); outline-offset: 2px; }
.login-secondary-action[hidden] { display: none; }

.login-footer {
  padding: 12px 16px max(24px, env(safe-area-inset-bottom));
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

.login-footer a {
  color: inherit;
  text-decoration: none;
}

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

@media (max-width: 480px) {
  .login-shell {
    width: min(100% - 24px, 420px);
    padding-top: 24px;
  }

  .login-brand,
  .login-copy,
  .login-form {
    padding-inline: 18px;
  }

  .login-alert,
  .login-notice { margin-inline: 18px; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #111316;
    --surface: #1b1e23;
    --text: #f2f3f5;
    --muted: #a4acb9;
    --line: #363c46;
    --accent: #4f91ed;
    --accent-hover: #6aa5f4;
    --danger: #ff8b82;
    --danger-soft: #3a2021;
    --success: #6ce9a6;
    --success-soft: #16372a;
    --shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
  }
}