/* Aiden ブランド - 共通スタイル
   ゴールド + 黒、Playfair セリフ + Noto Sans JP */

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-2: #1a1a1a;
  --fg: #f5f3ee;
  --fg-muted: #b9b3a3;
  --fg-dim: #6b6759;
  --gold: #c9a961;
  --gold-dark: #a8893f;
  --gold-light: #e0c884;
  --line: rgba(245, 243, 238, 0.12);
  --serif: "Playfair Display", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100dvh;
}

.gold { color: var(--gold); }

/* ─── ログイン画面 ─── */
.login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
}

.login-card {
  max-width: 440px;
  width: 100%;
  text-align: center;
}

.eyebrow {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.5em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1.2;
  margin-bottom: 24px;
}

.lead {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

form {
  text-align: left;
  margin-bottom: 24px;
}

label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}

input[type="email"],
input[type="text"] {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--fg);
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  margin-bottom: 16px;
  transition: border-color 200ms;
}

input[type="email"]:focus,
input[type="text"]:focus {
  outline: none;
  border-color: var(--gold);
}

.btn {
  display: block;
  width: 100%;
  min-height: 56px;
  padding: 0 24px;
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background 200ms, color 200ms, border-color 200ms;
  text-decoration: none;
  text-align: center;
  line-height: 56px;
}

.btn-primary {
  background: var(--gold);
  color: var(--bg);
  border-color: var(--gold);
}
.btn-primary:hover { background: var(--gold-light); border-color: var(--gold-light); }
.btn-primary:active { background: var(--gold-dark); }
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

.status {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 16px;
  padding: 12px;
  border-radius: 4px;
  background: var(--bg-card);
}
.status.success { color: var(--gold); }
.status.error { color: #ff7676; }
.status.status-hint {
  font-size: 12px;
  line-height: 1.65;
  color: var(--fg-muted);
  border-left: 3px solid var(--gold);
}

.security-badge {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
  margin-top: 24px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 99px;
  display: inline-block;
}