/**
 * 0/1背包问题可视化样式
 * @author changyadai
 */

.container {
    max-width: 950px;
    padding: 25px;
}

.nav-link {
    position: absolute;
    top: 25px;
    left: 25px;
}

.section-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
}

/* 物品列表 */
.items-section {
    margin-bottom: 20px;
}

.items-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

.item-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.item-card.considering {
    background: rgba(251, 191, 36, 0.2);
    border-color: #fbbf24;
    transform: scale(1.05);
}

.item-card.selected {
    background: rgba(34, 197, 94, 0.3);
    border-color: #22c55e;
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.4);
}

.item-icon {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.item-name {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.item-stats {
    display: flex;
    gap: 10px;
    font-size: 0.75rem;
}

.item-weight, .item-value {
    padding: 3px 8px;
    border-radius: 4px;
}

.item-weight {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.item-value {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

/* DP表格 */
.dp-section {
    margin-bottom: 20px;
}

.dp-table-container {
    overflow-x: auto;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

.dp-table {
    border-collapse: separate;
    border-spacing: 3px;
    margin: 0 auto;
}

.dp-table th, .dp-table td {
    width: 38px;
    height: 38px;
    text-align: center;
    font-size: 0.8rem;
    border-radius: 5px;
    transition: all 0.2s ease;
}

.dp-table th {
    background: rgba(20, 184, 166, 0.2);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.dp-table th.row-header {
    background: rgba(168, 85, 247, 0.2);
}

.dp-table th.corner {
    background: transparent;
}

.dp-table td {
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.5);
}

.dp-table td.filled {
    background: rgba(20, 184, 166, 0.15);
    color: #fff;
}

.dp-table td.current {
    background: rgba(251, 191, 36, 0.4);
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.5);
    z-index: 10;
}

.dp-table td.from {
    background: rgba(168, 85, 247, 0.3);
    border: 1px solid #a855f7;
}

.dp-table td.path {
    background: rgba(34, 197, 94, 0.4);
    color: #fff;
    border: 2px solid #22c55e;
}

/* 结果区域 */
.result-section {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

.result-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

.result-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #22c55e;
}

.selected-items {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.selected-list {
    display: flex;
    gap: 8px;
    min-height: 40px;
    align-items: center;
}

.selected-item {
    padding: 8px 12px;
    background: rgba(34, 197, 94, 0.3);
    border: 1px solid #22c55e;
    border-radius: 8px;
    font-size: 1.2rem;
    animation: itemPop 0.3s ease-out;
}

@keyframes itemPop {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}