.shop-backdrop {
    position: absolute;
    inset: 0;
    z-index: 64;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(2, 6, 23, 0.58);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.shop-backdrop.open {
    display: flex;
}

.shop-panel {
    width: min(860px, calc(100% - 30px));
    max-height: calc(100% - 38px);
    overflow: hidden;
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: 14px;
    background: linear-gradient(170deg, rgba(15, 23, 42, 0.95), rgba(2, 6, 23, 0.92));
    box-shadow: 0 24px 50px rgba(2, 6, 23, 0.82), 0 0 22px rgba(56, 189, 248, 0.24);
}

.shop-header {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

.shop-title {
    font-family: monospace;
    font-size: 18px;
    font-weight: 800;
    color: #f8fafc;
}

.shop-subtitle {
    margin-left: 10px;
    font-family: monospace;
    font-size: 11px;
    color: #94a3b8;
}

.shop-close-btn {
    margin-left: auto;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.78);
    color: #e2e8f0;
    cursor: pointer;
}

.shop-close-btn:hover {
    border-color: rgba(56, 189, 248, 0.72);
    color: #7dd3fc;
}

.shop-body {
    padding: 12px;
    overflow: auto;
    max-height: calc(100% - 58px);
}

.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}

.shop-item {
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 10px;
    padding: 10px;
    background: rgba(2, 6, 23, 0.65);
}

.shop-item-name {
    font-size: 13px;
    font-weight: 800;
    color: #e2e8f0;
    font-family: monospace;
}

.shop-item-meta {
    margin-top: 4px;
    font-size: 11px;
    color: #94a3b8;
    font-family: monospace;
}

.shop-item-desc {
    margin-top: 7px;
    min-height: 34px;
    font-size: 11px;
    color: #cbd5e1;
}

.shop-item-footer {
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.shop-item-price {
    font-size: 11px;
    font-family: monospace;
    color: #facc15;
}

.shop-item-btn {
    border: 1px solid rgba(56, 189, 248, 0.45);
    border-radius: 8px;
    background: rgba(56, 189, 248, 0.18);
    color: #e2e8f0;
    padding: 6px 9px;
    font-size: 11px;
    font-family: monospace;
    cursor: pointer;
}

.shop-item-btn:hover {
    border-color: rgba(56, 189, 248, 0.78);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}

.shop-item-btn[disabled] {
    opacity: 0.6;
    cursor: default;
}

.shop-empty {
    color: #94a3b8;
    font-family: monospace;
    font-size: 12px;
}