/* ============================================
   Room 4: Green Tech & Sustainability Core
   Emerald green, nature-tech fusion
   ============================================ */

.room-green .bg-grid {
    background-image:
        linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.room-green #game-container::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 70%, rgba(16, 185, 129, 0.06), transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(16, 185, 129, 0.04), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.room-green .puzzle-container {
    border: 1px solid rgba(16, 185, 129, 0.2);
    background: rgba(10, 26, 14, 0.9);
}

/* Simulation outputs */
.room-green .sim-output {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.room-green .sim-metric {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.room-green .sim-metric-label {
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.room-green .sim-metric-value {
    font-family: var(--font-mono);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    transition: color var(--transition-normal);
}

.room-green .sim-metric-value.good {
    color: var(--color-success);
}

.room-green .sim-metric-value.bad {
    color: var(--color-error);
}

/* Cause-effect matching */
.room-green .match-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.room-green .match-item {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: var(--font-size-sm);
}

.room-green .match-item:hover {
    border-color: rgba(16, 185, 129, 0.5);
    background: rgba(16, 185, 129, 0.12);
}

.room-green .match-item.selected {
    border-color: var(--room-accent);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.room-green .match-item.matched {
    border-color: var(--color-success);
    opacity: 0.7;
}

/* Resource allocation */
.room-green .resource-card {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.room-green .budget-display {
    font-family: var(--font-mono);
    font-size: var(--font-size-2xl);
    color: var(--room-accent);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .room-green .match-columns {
        grid-template-columns: 1fr;
    }
}