/* Game Layout */
.game-wrapper {
    width: 100%;
    height: calc(100vh - 4rem);
    margin-top: 4rem;
    position: relative;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    overflow: hidden;
}

#gameCanvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* UI Overlay */
.game-ui {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
}

/* Stats Panel */
.stats-panel {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: auto;
}

.resource-bar {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 120px;
}

.resource-bar i {
    color: var(--primary);
}

/* Stage Info */
.stage-info {
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    pointer-events: auto;
}

.zone-name {
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 0.5rem;
}

.stage-number {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Upgrades Panel */
.upgrades-panel {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    width: 300px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 1rem;
    pointer-events: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.upgrade-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.upgrade-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    padding: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.upgrade-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.upgrade-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.upgrade-name {
    font-weight: 600;
    color: white;
    margin-bottom: 0.25rem;
}

.upgrade-cost {
    font-size: 0.875rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Combat Text */
.combat-text {
    position: absolute;
    pointer-events: none;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    animation: floatUp 1s ease-out forwards;
}

.damage-text {
    color: var(--danger);
}

.crit-text {
    color: var(--warning);
    font-size: 1.2em;
}

.heal-text {
    color: var(--success);
}

.coin-text {
    color: var(--warning);
}

@keyframes floatUp {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(-50px) scale(1.2);
        opacity: 0;
    }
}

/* Settings Modal */
.modal-content {
    background: var(--gray-800);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.modal-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .stats-panel {
        flex-direction: row;
        top: auto;
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
        justify-content: center;
    }

    .upgrades-panel {
        display: none;
    }
}