/* 導覽列主體 */
.glass-nav {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 52px !important;
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
    z-index: 2147483646 !important; 
    display: flex !important;
    align-items: center !important;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif !important;
}

.nav-content {
    width: 100% !important;
    max-width: 1100px !important;
    margin: 0 auto !important;
    display: flex !important;
    justify-content: space-between !important; /* 讓內容左右分開 */
    align-items: center !important;
    padding: 0 24px !important;
    height: 100% !important;
}

/* 標誌與連結 */
.brand {
    font-weight: 700 !important;
    color: #1d1d1f !important;
    text-decoration: none !important;
    display: flex !important;
    align-items: center !important;
}

.nav-links {
    list-style: none !important;
    display: flex !important;
    gap: 10px !important;
    margin: 0 !important;
    padding: 0 !important;
    margin-left: 20px !important;
}

.nav-item {
    text-decoration: none !important;
    color: #3b3b3b !important;
    font-size: 0.85rem !important;
    padding: 8px 12px !important;
    border-radius: 6px !important;
    transition: 0.2s !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
}

.nav-item:hover {
    background: rgba(0, 0, 0, 0.05) !important;
    color: #0066cc !important;
}

/* 下拉選單修復 */
.dropdown { position: relative !important; }

.dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(15px) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    border-radius: 8px !important;
    list-style: none !important;
    padding: 6px !important;
    margin: 0 !important;
    min-width: 180px !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(8px) !important;
    transition: all 0.2s ease !important;
}

.dropdown:hover .dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.dropdown-menu li { width: 100% !important; }

.dropdown-menu li a {
    text-decoration: none !important;
    color: #333 !important;
    display: flex !important;
    padding: 10px 12px !important;
    border-radius: 5px !important;
    font-size: 0.82rem !important;
}

.dropdown-menu li a:hover {
    background: #0066cc !important;
    color: #fff !important;
}

/* 登入按鈕與頭像樣式 */
.login-btn {
    background: #4285F4 !important;
    color: #fff !important;
    border: none !important;
    padding: 6px 14px !important;
    border-radius: 20px !important;
    font-size: 0.8rem !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
}

.user-pfp {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    border: 1px solid rgba(128, 128, 128, 0.3) !important;
}

/* 全域主體留白 */
body {
    padding-top: 52px !important;
}