.panels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.panel-card {
    background: var(--white);
    border-radius: var(--card-radius);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.panel-number {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(139, 26, 26, 0.12);
    line-height: 1;
    margin-bottom: 12px;
}

.panel-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.panel-card > p {
    font-size: 0.92rem;
    margin-bottom: 18px;
    line-height: 1.65;
}

.panel-topics {
    list-style: none;
    padding: 0;
    margin: 0;
}

.panel-topics li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 10px;
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.panel-topics li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.program-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.program-timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--primary));
    opacity: 0.2;
}

.program-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 30px;
    padding: 22px 0;
    position: relative;
}

.program-time {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent);
    text-align: right;
    padding-right: 10px;
    padding-top: 4px;
}

.program-content {
    background: var(--white);
    border-radius: var(--card-radius);
    padding: 22px 26px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
}

.program-item-panel .program-content {
    border-left-color: var(--accent);
}

.program-item-break .program-content {
    border-left-color: rgba(27, 42, 74, 0.2);
    background: var(--light-gray);
}

.program-item-keynote .program-content,
.program-item-speaker .program-content {
    border-left-color: var(--primary);
}

.program-item-closing .program-content {
    border-left-color: var(--accent);
    background: rgba(139, 26, 26, 0.04);
}

.program-content h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.program-content p {
    font-size: 0.9rem;
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .panels-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .program-timeline::before {
        left: 0;
    }

    .program-item {
        grid-template-columns: 1fr;
        gap: 10px;
        padding-left: 20px;
    }

    .program-time {
        text-align: left;
        padding-right: 0;
    }
}