* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body { font-family: var(--font-sans-jp); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }

.btn { appearance: none; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-family: inherit; font-size: 15px; font-weight: 500; padding: 10px 16px; border-radius: var(--radius); cursor: pointer; transition: background .15s, filter .15s; }
.btn:hover { background: var(--surface-alt); }
.btn-primary { background: var(--primary); color: var(--primary-contrast); border-color: var(--primary); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.btn-danger { color: var(--hbq-urgent); border-color: #e4c4bf; background: #fbf1ef; }

.auth-screen { height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; padding: 24px; text-align: center; background: radial-gradient(1200px 600px at 50% -10%, #fbf6ec 0%, var(--bg) 60%); }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow-soft); padding: 32px 28px; max-width: 360px; width: 100%; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.lock { width: 64px; height: 64px; border-radius: 18px; background: linear-gradient(135deg,#d8b85e,#9a7b2f); display: grid; place-items: center; box-shadow: var(--shadow-soft); }
.lock svg { width: 34px; height: 34px; color: #fff; }
.brand-title { font-family: var(--font-serif-en); font-size: 26px; margin: 8px 0 0; letter-spacing: .5px; }
.brand-sub { margin: 0 0 8px; color: var(--text-muted); font-size: 14px; }
.auth-status { font-size: 13px; color: var(--text-muted); min-height: 18px; margin: 4px 0 0; }
.auth-status.error { color: var(--hbq-urgent); }
.auth-note { font-size: 12px; color: var(--text-muted); margin: 8px 0 0; line-height: 1.6; }
.auth-footer { font-size: 11px; color: var(--text-muted); letter-spacing: .5px; }
.badge-reason { font-size: 12px; background: var(--primary-soft); color: var(--hbq-gold-deep); padding: 6px 12px; border-radius: 14px; }

input[type=text], input[type=email] { font-family: inherit; font-size: 15px; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 9px 11px; width: 100%; }
input:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }