/* M4. Agenda Detalhada */

/* ============================================================
   M4. AGENDA DETALHADA (tab-based)
   ============================================================ */
.agenda { padding: clamp(80px, 12vw, 140px) clamp(24px, 6vw, 80px); background: var(--brn-dark); }
.agenda-header { text-align: center; margin-bottom: 48px; }
.agenda-eyebrow { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brn-blue-accent); margin-bottom: 16px; }
.agenda-title { font-family: 'Instrument Sans', sans-serif; font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; letter-spacing: -0.03em; }

/* Tabs */
.agenda-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.agenda-tab { padding: 12px 28px; border-radius: var(--radius); background: rgba(255,255,255,0.03); border: 1px solid var(--border-color); color: var(--text-secondary); font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: all 0.3s var(--ease-smooth); display: flex; align-items: center; gap: 8px; }
.agenda-tab:hover { border-color: var(--border-hover); background: rgba(255,255,255,0.05); color: var(--text-primary); }
.agenda-tab.active { background: rgba(91,155,255,0.08); border-color: rgba(91,155,255,0.25); color: var(--brn-blue-accent); }
.agenda-tab.vip { border-color: rgba(201,168,76,0.2); }
.agenda-tab.vip.active { background: rgba(201,168,76,0.08); border-color: rgba(201,168,76,0.3); color: var(--brn-gold); }
.agenda-tab-badge { font-size: 0.55rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; padding: 2px 8px; border-radius: 100px; background: var(--brn-gold); color: #0a0a0a; }

/* Panels */
.agenda-panel { display: none; max-width: 800px; margin: 0 auto; }
.agenda-panel.active { display: block; animation: fadeInUp 0.4s var(--ease-out); }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* Day header inside panel */
.agenda-day-header { text-align: center; margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--border-color); }
.agenda-day-date { font-family: 'Instrument Sans', sans-serif; font-size: 1.6rem; font-weight: 700; margin-bottom: 4px; }
.agenda-day-theme { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 8px; }
.agenda-day-location { font-size: 0.78rem; color: var(--text-muted); display: flex; align-items: center; justify-content: center; gap: 6px; }
.agenda-day-location svg { width: 14px; height: 14px; }

/* Timeline items */
.agenda-timeline { display: flex; flex-direction: column; gap: 1px; }
.agenda-item { display: grid; grid-template-columns: 80px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border-color); transition: background 0.2s; }
.agenda-item:hover { background: rgba(255,255,255,0.01); }
.agenda-item-time { font-family: 'Instrument Sans', sans-serif; font-size: 0.82rem; font-weight: 700; color: var(--brn-blue-accent); padding-top: 2px; text-align: right; }
.agenda-item-content { }
.agenda-item-title { font-size: 0.92rem; font-weight: 700; margin-bottom: 4px; }
.agenda-item-speaker { font-size: 0.78rem; color: var(--brn-blue-accent); font-weight: 500; margin-bottom: 6px; }
.agenda-item-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; }
.agenda-item-tag { display: inline-block; font-size: 0.6rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 10px; border-radius: 100px; margin-top: 8px; }
.agenda-item-tag.keynote { background: rgba(91,155,255,0.1); color: var(--brn-blue-accent); }
.agenda-item-tag.panel { background: rgba(255,255,255,0.05); color: var(--text-secondary); }
.agenda-item-tag.experience { background: rgba(201,168,76,0.1); color: var(--brn-gold); }
.agenda-item-tag.network { background: rgba(100,200,100,0.08); color: #6cc070; }

/* VIP day special */
.agenda-panel.vip-panel .agenda-day-header { border-bottom-color: rgba(201,168,76,0.15); }
.agenda-panel.vip-panel .agenda-item-time { color: var(--brn-gold); }
.agenda-panel.vip-panel .agenda-day-date { color: var(--brn-gold); }
.vip-teaser { text-align: center; padding: 40px 20px; background: linear-gradient(135deg, rgba(201,168,76,0.04) 0%, transparent 60%); border: 1px solid rgba(201,168,76,0.15); border-radius: var(--radius); margin-top: 32px; }
.vip-teaser-icon { font-size: 2rem; margin-bottom: 12px; }
.vip-teaser-title { font-family: 'Instrument Sans', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--brn-gold); margin-bottom: 8px; }
.vip-teaser-text { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; max-width: 400px; margin: 0 auto 20px; }
.vip-teaser-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; background: var(--brn-gold); color: #0a0a0a; font-size: 0.78rem; font-weight: 700; border-radius: var(--radius); text-decoration: none; transition: all 0.3s; }
.vip-teaser-btn:hover { background: #d4b55c; transform: translateY(-2px); box-shadow: 0 0 30px rgba(201,168,76,0.15); }
.agenda-item.blurred { filter: blur(4px); pointer-events: none; user-select: none; opacity: 0.5; }

@media (max-width: 768px) {
  .agenda-item { grid-template-columns: 60px 1fr; gap: 12px; }
  .agenda-tab { padding: 10px 18px; font-size: 0.75rem; }
}