.mode-banner { padding: var(--space-3) 0; font-size: var(--text-sm); border-bottom: 1px solid; animation: slideDownBanner 400ms cubic-bezier(0.4, 0, 0.2, 1); }
.mode-banner .container { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.mode-banner-icon { flex-shrink: 0; display: grid; place-items: center; }
.mode-banner-content { flex: 1; min-width: 200px; }
.mode-banner-content strong { font-weight: 700; }
.mode-banner-actions { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; }

.mode-banner.mode-sessao { background: linear-gradient(90deg, #fbefd4, var(--color-warning-bg)); border-color: var(--color-warning); color: var(--color-warning); }
.mode-banner.mode-sessao .mode-banner-icon { color: var(--color-warning); }
.mode-banner.mode-sessao a.mode-link { color: var(--color-primary); font-weight: 600; text-decoration: underline; }
.mode-banner.mode-sessao a.mode-link:hover { color: var(--color-primary-light); }

.mode-banner.mode-persistente { background: var(--color-info-bg); border-color: var(--color-info); color: var(--color-info); }
.mode-banner.mode-persistente .mode-banner-icon { color: var(--color-info); }
.mode-banner.mode-persistente a.mode-link { color: var(--color-info); font-weight: 600; text-decoration: underline; }

.mode-options { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-top: var(--space-4); }
@media (max-width: 640px) { .mode-options { grid-template-columns: 1fr; } }

.mode-option { padding: var(--space-5); border: 2px solid var(--color-mist); border-radius: var(--radius-lg); text-align: left; cursor: pointer; transition: all var(--transition-fast); display: flex; flex-direction: column; gap: var(--space-3); position: relative; background: var(--color-white); }
.mode-option:hover { border-color: var(--color-accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.mode-option.recommended { border-color: var(--color-primary); background: linear-gradient(180deg, var(--color-white), var(--color-snow)); }

.mode-option-icon { width: 48px; height: 48px; border-radius: var(--radius-md); display: grid; place-items: center; color: var(--color-white); }
.mode-option.persistente .mode-option-icon { background: var(--color-primary); }
.mode-option.sessao .mode-option-icon { background: var(--color-warning); }

.mode-option h4 { font-family: var(--font-serif); font-size: var(--text-lg); color: var(--color-primary); }
.mode-option p { font-size: var(--text-sm); color: var(--color-graphite); line-height: var(--leading-relaxed); }
.mode-option ul { font-size: var(--text-xs); color: var(--color-slate); padding-left: var(--space-4); margin-top: auto; }
.mode-option ul li { list-style: '✓  '; margin-bottom: 4px; }

.mode-option .recommended-tag { position: absolute; top: -10px; right: var(--space-4); background: var(--color-accent); color: var(--color-primary-dark); padding: 2px var(--space-3); font-size: var(--text-xs); font-weight: 700; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.06em; }

@keyframes slideDownBanner { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 640px) { .mode-banner-content .hide-mobile { display: none; } }