/* 自定义样式 */
html {
    scroll-behavior: smooth;
}

/* 路线时间轴 */
.route-timeline {
    position: relative;
    padding-left: 2rem;
}

.route-node {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
}

.route-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 4px;
    box-shadow: 0 0 0 4px rgba(0,0,0,0.05);
    position: relative;
    z-index: 2;
}

.route-content {
    flex: 1;
    padding-bottom: 0.5rem;
}

.route-line {
    display: flex;
    align-items: center;
    padding: 0.75rem 0 0.75rem 0;
    position: relative;
}

.route-line::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #e5e7eb, #d1d5db);
    z-index: 1;
}

.route-distance {
    margin-left: 2rem;
    font-size: 0.8rem;
    color: #6b7280;
    background: #f3f4f6;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    position: relative;
    z-index: 2;
}

/* 导航栏激活状态 */
.nav-link.active {
    background-color: #eef2ff;
    color: #4f46e5;
    font-weight: 600;
}

/* 行程卡片 */
.day-card {
    background: white;
    border-radius: 1rem;
    border: 1px solid #f3f4f6;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.day-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.day-header {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.day-header:hover {
    background-color: #fafafa;
}

.day-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    color: white;
}

.day-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.day-body.open {
    max-height: 3000px;
}

.day-body-inner {
    padding: 0 1.5rem 1.5rem;
}

/* 景点卡片 */
.spot-card {
    background: #f9fafb;
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 3px solid;
    transition: transform 0.2s ease;
}

.spot-card:hover {
    transform: translateX(4px);
}

/* 预算表格 */
table tbody tr {
    border-bottom: 1px solid #f3f4f6;
    transition: background 0.2s;
}

table tbody tr:hover {
    background-color: #f9fafb;
}

/* 贴士卡片 */
.tip-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid #f3f4f6;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.tip-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c4c4c4;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a0a0a0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .route-timeline {
        padding-left: 1rem;
    }
    
    .route-distance {
        margin-left: 1.5rem;
        font-size: 0.75rem;
    }
}

/* 复选框样式 */
input[type="checkbox"]:checked + span {
    text-decoration: line-through;
    color: #9ca3af;
}