/* Shared styles for /login (Sign In) and /setup (Passkey registration).
   Page-specific overrides are scoped with body[data-page="..."]. */

/* v3.0 design tokens — match the dashboard's :root[data-theme="dark"]
   palette so the auth → dashboard transition feels seamless. The
   light theme is also defined for parity with /v3-preview, although
   the auth pages don't ship a toggle; they pick up whatever theme
   the OS / user-agent prefers via the data-theme attribute on
   <html> (default dark). */
:root[data-theme="dark"], :root {
  --bg: #161618; --bg-card: #1C1C1E; --bg-input: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.10); --border-soft: rgba(255,255,255,0.07);
  --text: #F5F5F7; --text-2: #C7C7CC; --muted: #8E8E93;
  --accent: #2997FF; --accent-hi: #5BAEFF; --accent-soft: rgba(41,151,255,0.10);
  --danger: #FF6B6B; --success: #32D74B;
}
:root[data-theme="light"] {
  --bg: #F5F5F7; --bg-card: #FFFFFF; --bg-input: rgba(0,0,0,0.05);
  --border: rgba(0,0,0,0.09); --border-soft: rgba(0,0,0,0.06);
  --text: #1D1D1F; --text-2: #3A3A3C; --muted: #6E6E73;
  --accent: #0071E3; --accent-hi: #0084FF; --accent-soft: rgba(0,113,227,0.10);
  --danger: #D70015; --success: #34C759;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  min-height: 100vh; display: grid; place-items: center;
  background: var(--bg); color: var(--text);
  font-family: 'Noto Sans JP', system-ui, -apple-system, sans-serif;
  font-feature-settings: "palt"; -webkit-font-smoothing: antialiased;
}

.container {
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}

.btn {
  background: var(--accent); color: #fff; border: none;
  padding: 12px 28px; font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit; border-radius: 8px;
  transition: background 120ms;
}
.btn:hover { background: var(--accent-hi); }
.btn:disabled { background: var(--border); color: var(--muted); cursor: not-allowed; }

.hidden { display: none; }

/* --- Login page --- */
body[data-page="login"] .container { padding: 36px 32px; gap: 22px; }
/* v4.13.0: ブランドはロゴ画像 (横長ワードマーク) に戻す。login/setup は
   ダーク固定なので白ワードマークがそのまま映える。アスペクト比維持で
   表示 (正方形前提の固定寸だと潰れるため width:auto)。 */
body[data-page="login"] .brand img { width: auto; height: 34px; max-width: 240px; border-radius: 0; display: block; }
body[data-page="login"] .error { color: var(--danger); font-size: 12px; min-height: 1em; }

/* --- Setup page --- */
body[data-page="setup"] .container { max-width: 320px; padding: 36px 24px; gap: 14px; }
body[data-page="setup"] .brand img { width: auto; height: 30px; max-width: 220px; border-radius: 0; display: block; margin-bottom: 8px; }
body[data-page="setup"] input {
  display: block; width: 100%; padding: 10px 12px;
  border: 1px solid var(--border-soft); background: var(--bg-input); color: var(--text);
  font-size: 14px; font-family: inherit; border-radius: 7px;
}
body[data-page="setup"] input::placeholder { color: var(--muted); }
body[data-page="setup"] input:focus { outline: none; border-color: var(--accent); }
body[data-page="setup"] .btn { width: 100%; }
body[data-page="setup"] .msg { font-size: 12px; min-height: 1em; }
body[data-page="setup"] .error { color: var(--danger); }
body[data-page="setup"] .success { color: var(--success); }
