/* ==================== Header导航下拉菜单组件 ==================== */
/* 引入 header-nav.js 时自动加载此样式 */
/* 使用方法：在header-left中添加 <div id="headerNavContainer"></div> */

.header-nav-dropdown {
    position: relative;
}
.header-nav-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 20px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.header-nav-btn:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.4);
}
.header-nav-btn .nav-arrow {
    font-size: 10px;
    transition: transform 0.25s ease;
}
.header-nav-dropdown.open .nav-arrow {
    transform: rotate(180deg);
}
.header-nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: white;
    border-radius: 16px;
    padding: 8px;
    min-width: 200px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.18), 0 0 0 1px rgba(0,0,0,0.04);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 200;
}
.header-nav-dropdown.open .header-nav-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
}
.nav-menu-item:hover {
    background: #f5f7ff;
    color: #667eea;
}
.nav-menu-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
}
.nav-menu-item:hover .nav-menu-icon {
    transform: scale(1.08);
}
.nav-menu-icon.clients { background: linear-gradient(135deg, #667eea20, #764ba220); }
.nav-menu-icon.home { background: linear-gradient(135deg, #667eea20, #764ba220); }
.nav-menu-icon.capture { background: linear-gradient(135deg, #fa709a20, #fee14020); }
.nav-menu-icon.photos { background: linear-gradient(135deg, #4facfe20, #00f2fe20); }
.nav-menu-icon.assessments { background: linear-gradient(135deg, #f093fb20, #f5576c20); }
.nav-menu-icon.checks { background: linear-gradient(135deg, #e8439320, #d6338420); }
.nav-menu-icon.services { background: linear-gradient(135deg, #11998e20, #38ef7d20); }
.nav-menu-icon.ai { background: linear-gradient(135deg, #667eea20, #764ba220); }
.nav-menu-icon.settings { background: linear-gradient(135deg, #8e8e8e20, #b0b0b020); }
.nav-menu-icon.guide { background: linear-gradient(135deg, #fa709a20, #fee14020); }
.nav-menu-label {
    flex: 1;
    font-weight: 500;
}
.nav-menu-divider {
    height: 1px;
    background: #f0f0f0;
    margin: 4px 8px;
}