:root {
  --page-bg: #1a1d24;
  --surface-bg: #242935;
  --surface-strong: #2c3141;
  --border-color: #3b4254;
  --text-color: #edf2ff;
  --muted-color: #9da8c5;
  --accent-color: #2f7bdc;
  --accent-soft: #203f66;
  --chip-bg: #1e3556;
  --chip-border: #4f7cb9;
  --error-color: #ffb4b4;
  --success-color: #9ef0b3;
}

body.vscode-light.login-gate-page {
  --page-bg: #eef2fb;
  --surface-bg: #ffffff;
  --surface-strong: #f5f8ff;
  --border-color: #c7d3ea;
  --text-color: #1f2d45;
  --muted-color: #607089;
  --accent-color: #1f6fd7;
  --accent-soft: #dfeeff;
  --chip-bg: #e5f1ff;
  --chip-border: #8bb4ee;
  --error-color: #b7372a;
  --success-color: #1e7a32;
}

body.vscode-high-contrast.login-gate-page,
body.vscode-high-contrast-light.login-gate-page {
  --page-bg: #000000;
  --surface-bg: #000000;
  --surface-strong: #000000;
  --border-color: #ffffff;
  --text-color: #ffffff;
  --muted-color: #ffffff;
  --accent-color: #ffe761;
  --accent-soft: #363300;
  --chip-bg: #000000;
  --chip-border: #ffe761;
  --error-color: #ff9f9f;
  --success-color: #9fff9f;
}

* {
  box-sizing: border-box;
}

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

body.login-gate-page {
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 14% -10%, color-mix(in oklab, var(--accent-color) 28%, transparent) 0, transparent 55%),
    linear-gradient(180deg, color-mix(in oklab, var(--surface-bg) 70%, var(--page-bg)) 0%, var(--page-bg) 65%);
  color: var(--text-color);
}

.login-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr;
}

.layout-head {
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--border-color);
  background: color-mix(in oklab, var(--surface-bg) 88%, var(--page-bg));
}

.layout-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.layout-head h1 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.layout-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--text-color);
  padding: 3px 9px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.layout-subline {
  margin: 7px 0 0;
  font-size: 0.73rem;
  color: var(--muted-color);
  line-height: 1.35;
}

.login-card {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 12px 10px 10px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.login-head {
  display: grid;
  gap: 6px;
}

.login-head h2 {
  margin: 0;
  font-size: 0.95rem;
}

.login-head p {
  margin: 0;
  font-size: 0.73rem;
  color: var(--muted-color);
  line-height: 1.35;
}

.login-head code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.69rem;
}

.login-form {
  display: grid;
  gap: 11px;
}

.field-row {
  display: grid;
  gap: 6px;
}

.field-row label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.field-row input {
  min-height: 37px;
  border: 1px solid var(--border-color);
  border-radius: 9px;
  background: color-mix(in oklab, var(--surface-bg) 88%, var(--page-bg));
  color: var(--text-color);
  font: inherit;
  font-size: 0.75rem;
  padding: 0 10px;
  transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.field-row input::placeholder {
  color: color-mix(in oklab, var(--muted-color) 92%, transparent);
}

.field-row input:hover {
  border-color: color-mix(in oklab, var(--accent-color) 55%, var(--border-color));
}

.field-row input:focus-visible {
  border-color: color-mix(in oklab, var(--accent-color) 72%, var(--border-color));
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent-color) 36%, transparent);
  outline: none;
}

.form-status {
  min-height: 17px;
  margin: 0;
  font-size: 0.7rem;
  color: var(--muted-color);
}

.form-status.is-error {
  color: var(--error-color);
}

.form-status.is-success {
  color: var(--success-color);
}

#submit-login-gate {
  width: 100%;
  min-height: 37px;
  border: 1px solid color-mix(in oklab, var(--accent-color) 60%, var(--border-color));
  border-radius: 10px;
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--accent-color) 88%, #ffffff) 0%, var(--accent-color) 100%);
  color: #ffffff;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: filter 150ms ease, transform 150ms ease;
}

#submit-login-gate:hover {
  filter: brightness(1.07);
  transform: translateY(-1px);
}

#submit-login-gate:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--accent-color) 75%, #ffffff);
  outline-offset: 1px;
}

@media (max-width: 560px) {
  .layout-head {
    padding: 12px 10px 10px;
  }

  .login-card {
    margin: 0;
    padding: 10px 8px 8px;
  }

  .layout-head h1 {
    font-size: 0.95rem;
  }
}