/* 顶部精简日期栏 */
.date-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0;
    margin: 0;
}

/* 隐藏箭头按钮 */
.date-bar .icon-btn {
    display: none !important;
}

.date-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--muted); /* 弱化颜色 */
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.date-title:hover {
    background: rgba(0,0,0,0.04);
    color: var(--text); /* 悬停加深 */
}

/* 增加日历图标伪元素，增强可点击感 */
.date-title::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.7;
}

.date-title:hover::before {
    opacity: 1;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
}

/* 浮动操作按钮 (FAB) */
[hidden] {
    display: none !important;
}

.fab-container {
    position: fixed;
    right: 32px;
    bottom: 32px;
    z-index: 900;
    display: flex;
    flex-direction: column-reverse; /* 容器仍用 column-reverse：按钮在最下方，菜单向上展开 */
    align-items: flex-end;
    gap: 12px;
}

.fab-btn {
    width: 56px;
    height: 56px;
    border-radius: 28px;
    background: var(--primary);
    color: white;
    border: none;
    box-shadow: 0 6px 18px rgba(193, 95, 60, 0.28);
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

.fab-btn:focus,
.fab-btn:focus-visible {
    outline: none;
}

.fab-btn:hover {
    transform: scale(1.05);
    background: var(--primary-600);
}

.fab-btn.is-open {
    transform: rotate(45deg);
    background: #666;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.fab-menu {
    display: flex;
    flex-direction: column; /* 让 DOM 顺序=视觉顺序，便于控制按钮排列 */
    gap: 12px;
    align-items: flex-end;
    margin-bottom: 8px;
    transition: all 0.2s;
}

.fab-item {
    background: white;
    color: #666;
    border: none;
    padding: 10px 20px;
    border-radius: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(10px);
    animation: slideUpFade 0.2s forwards;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

.fab-item:focus,
.fab-item:focus-visible {
    outline: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.fab-item:hover {
    color: var(--primary);
    transform: translateX(-4px);
}

.fab-item:nth-child(1) { animation-delay: 0.05s; }
.fab-item:nth-child(2) { animation-delay: 0.1s; }
.fab-item:nth-child(3) { animation-delay: 0.15s; }

@keyframes slideUpFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .fab-container {
        right: 20px;
        bottom: 24px;
    }
    
    .fab-btn {
        width: 48px;
        height: 48px;
        border-radius: 24px;
        font-size: 24px;
    }

    .date-title {
        font-size: 15px;
        padding: 4px 8px;
    }
    
    /* 移动端也不显示箭头 */
    .date-bar .icon-btn {
        display: none !important;
    }
}