body.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: var(--color-bg); margin: 0; }
.auth-theme-toggle { position: fixed; top: 20px; right: 20px; z-index: 100; }
.auth-card { background: var(--color-surface); border-radius: 20px; box-shadow: 0 25px 60px rgba(0,0,0,.15); max-width: 1000px; width: 100%; display: flex; overflow: hidden; border: 1px solid var(--color-border); }
.auth-illustration { flex: 1; position: relative; min-height: 520px; background: url('/assets/images/fond-piscine.png') center/cover no-repeat; background-color: #2a2f3d; }
.auth-illustration::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.45)); }
.auth-badge { position: absolute; top: 24px; left: 24px; background: rgba(20,20,20,.35); backdrop-filter: blur(14px); border: 1px solid rgba(255,152,0,.45); border-radius: 12px; padding: 16px 20px; color: #fff; z-index: 2; max-width: 280px; }
.auth-badge h1 { margin: 0 0 4px; font-size: 1.6rem; font-weight: 700; font-family: 'Playfair Display', serif; }
.auth-badge p { margin: 0; font-size: .85rem; opacity: .95; }
.auth-form { flex: 1; padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.auth-form h2 { text-align: center; margin: 0 0 4px; font-size: 1.6rem; font-weight: 800; }
.auth-form .subtitle { text-align: center; margin: 0 0 24px; font-size: .9rem; color: var(--color-text-muted); }
.auth-field { position: relative; margin-bottom: 16px; }
.auth-field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.auth-input { width: 100%; padding: 12px 44px; border: 1.5px solid var(--color-border); border-radius: 12px; background: var(--color-surface); color: var(--color-text); font-size: .95rem; }
.auth-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(255,152,0,.18); }
.auth-input-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; }
.auth-btn { width: 100%; padding: 14px; border: none; border-radius: 12px; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; font-weight: 700; font-size: 1rem; cursor: pointer; box-shadow: 0 6px 20px rgba(255,152,0,.28); display: flex; align-items: center; justify-content: center; gap: 8px; }
.auth-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,152,0,.4); }
.auth-links { text-align: center; margin-top: 20px; font-size: .85rem; }
.auth-links a { color: var(--color-primary); font-weight: 600; text-decoration: none; }
.alert { padding: 12px 16px; border-radius: 12px; margin-bottom: 16px; font-size: .9rem; }
.alert-danger { background: #fde8e8; color: #dc2626; border-left: 4px solid #dc2626; }

@media (max-width: 768px) {
    body.auth-page { padding: 0; align-items: stretch; }
    .auth-card { flex-direction: column; max-width: 100%; border-radius: 0; min-height: 100vh; box-shadow: none; border: none; }
    .auth-illustration { min-height: 200px; }
    .auth-badge { top: 16px; left: 16px; right: 16px; max-width: none; }
    .auth-form { padding: 28px 22px; }
}