:root {
  color-scheme: light dark;
  --bg: #f3f4f7;
  --surface: #fff;
  --surface-2: #f8f9fb;
  --surface-3: #eef0f4;
  --ink: #141821;
  --ink-2: #394050;
  --muted: #5e6676;
  --faint: #8b92a1;
  --line: #e2e5eb;
  --line-strong: #cdd2db;
  --accent: #3446d4;
  --accent-solid: #3446d4;
  --accent-solid-hover: #2a39b6;
  --accent-tint: #eef0fe;
  --on-accent: #fff;
  --focus-ring: rgb(52 70 212 / 22%);
  --ok: #17784a;
  --ok-tint: #e7f5ed;
  --ok-line: #b9e2cb;
  --danger: #b4291d;
  --danger-tint: #fdf2f1;
  --danger-line: #f1c9c4;
  --shadow-2: 0 18px 48px rgb(16 22 36 / 10%);
  --radius-small: 7px;
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI",
    "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Noto Sans CJK KR",
    system-ui, sans-serif;
  --font-mono:
    ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1117;
    --surface: #151922;
    --surface-2: #191e28;
    --surface-3: #212734;
    --ink: #e9ebf1;
    --ink-2: #c4c9d4;
    --muted: #979fae;
    --faint: #6f7787;
    --line: #262c38;
    --line-strong: #353c4b;
    --accent: #95a2ff;
    --accent-solid: #4c5de6;
    --accent-solid-hover: #5d6df0;
    --accent-tint: #1d2342;
    --focus-ring: rgb(149 162 255 / 30%);
    --ok: #6fd3a0;
    --ok-tint: #13291f;
    --ok-line: #24513a;
    --danger: #ff9a8f;
    --danger-tint: #2e1716;
    --danger-line: #5a2a26;
    --shadow-2: 0 18px 48px rgb(0 0 0 / 45%);
  }
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover {
  text-decoration: underline;
}
button,
input,
select {
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
svg {
  flex-shrink: 0;
}
h1,
p {
  margin-top: 0;
}
code {
  font-family: var(--font-mono);
}
button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.12s,
    border-color 0.12s;
}
button:hover,
.button:hover {
  border-color: var(--faint);
  background: var(--surface-2);
  text-decoration: none;
}
.primary,
.button.primary {
  border-color: var(--accent-solid);
  background: var(--accent-solid);
  color: var(--on-accent);
}
.primary:hover,
.button.primary:hover {
  border-color: var(--accent-solid-hover);
  background: var(--accent-solid-hover);
  color: var(--on-accent);
}
.google-button {
  display: flex;
  gap: 12px;
  width: 100%;
  min-height: 46px;
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
}
.google-mark {
  font-family: Arial, sans-serif;
  font-size: 20px;
  font-weight: 700;
}

/* Page frame */
.login-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 100vh;
  padding: 40px 24px;
  background:
    radial-gradient(
      60% 50% at 50% 0%,
      color-mix(in srgb, var(--accent-solid) 12%, transparent),
      transparent 70%
    ),
    var(--bg);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand:hover {
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(140deg, #5a6cf5, #2d3bb4);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 22%),
    0 2px 6px rgb(45 59 180 / 30%);
  color: #fff;
}
.brand svg {
  width: 20px;
  height: 20px;
}
.login-card {
  width: min(480px, 100%);
  padding: 36px 36px 32px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-2);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
}
.eyebrow::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}
.login-card h1 {
  margin: 12px 0 12px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.35;
}
.login-card > p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.login-note {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
}
.login-page > footer {
  color: var(--faint);
  font-size: 12px;
}
.field-hint {
  margin: 8px 0 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.help {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

/* Forms */
label {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
}
input[type="password"],
input[type="text"],
select {
  display: block;
  width: 100%;
  min-height: 44px;
  margin-bottom: 16px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}
input:focus-visible,
select:focus-visible {
  border-color: var(--accent);
  outline: 2px solid transparent;
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.settings-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 20px 0;
}
.settings-actions:last-child {
  margin-bottom: 0;
}
.scope {
  min-width: 0;
  margin: 8px 0 20px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
}
.scope legend {
  padding: 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}
.scope ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.scope li {
  position: relative;
  padding-left: 18px;
}
.scope li::before {
  position: absolute;
  top: 8px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}
.scope strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
}
.scope li span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.endpoint {
  display: block;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.error-banner,
.notice {
  margin: 0 0 18px;
  padding: 11px 14px;
  border: 1px solid;
  border-radius: var(--radius-small);
  font-size: 13px;
  line-height: 1.7;
}
.error-banner {
  border-color: var(--danger-line);
  background: var(--danger-tint);
  color: var(--danger);
}
.notice {
  border-color: var(--ok-line);
  background: var(--ok-tint);
  color: var(--ok);
}
.error-banner code,
.notice code {
  overflow-wrap: anywhere;
}

/* Local onboarding */
.onboarding-form {
  margin-top: 20px;
}
.onboarding-step {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.onboarding-step h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 650;
}
.step-number {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}
.choice-list {
  display: grid;
  gap: 8px;
}
.choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  font-weight: 400;
  cursor: pointer;
}
.choice input {
  margin-top: 3px;
  accent-color: var(--accent);
}
.choice strong {
  display: block;
  color: var(--ink);
  font-size: 13px;
  overflow-wrap: anywhere;
}
.choice small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
@media (max-width: 600px) {
  .login-page {
    justify-content: flex-start;
    gap: 22px;
    padding: 28px 16px;
  }
  .login-card {
    padding: 26px 20px 24px;
    border-radius: 14px;
  }
  .login-card h1 {
    font-size: 24px;
  }
  .settings-actions > .button,
  .settings-actions > button {
    flex: 1 1 auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}