/* 現代化導航列樣式 */
.modern-navbar {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.modern-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #ffffff !important;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.modern-navbar .navbar-brand:hover {
    color: #f8f9fa !important;
    transform: translateY(-1px);
}

.navbar-logo {
    height: 40px;
    width: 40px;
    object-fit: contain;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-logo:hover {
    transform: scale(1.05) rotate(2deg);
}

/* 社工管理按鈕樣式 - 強化保護 */
.modern-navbar .social-worker-btn,
nav.navbar .social-worker-btn {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
    border: none !important;
    color: white !important;
    font-weight: 500 !important;
    border-radius: 10px !important;
    padding: 8px 16px !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2) !important;
    position: relative !important;
    display: inline-flex !important;
    align-items: center !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    text-decoration: none !important;
}

.modern-navbar .social-worker-btn i,
nav.navbar .social-worker-btn i {
    margin-right: 8px !important;
    width: 16px !important;
    text-align: center !important;
    font-size: 14px !important;
}

.modern-navbar .social-worker-btn:hover,
nav.navbar .social-worker-btn:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%) !important;
    transform: translateY(-2px) scale(1.02) !important;
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4), 0 0 20px rgba(139, 92, 246, 0.2) !important;
    color: white !important;
}

/* 漢堡按鈕現代化 */
.modern-navbar .navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 6px 8px;
    transition: all 0.3s ease;
}

.modern-navbar .navbar-toggler:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.modern-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* 導航連結現代化 */
.modern-navbar .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 8px 16px !important;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    margin: 0 4px;
    background: linear-gradient(135deg, transparent, transparent);
}

.modern-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.5));
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 2px;
}

.modern-navbar .nav-link:hover::after {
    width: 80%;
}

.modern-navbar .nav-link:hover {
    color: #ffffff !important;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.15));
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.modern-navbar .nav-link.active {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.25));
    color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
}

.modern-navbar .nav-link i {
    margin-right: 6px;
    width: 16px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-navbar .nav-link:hover i {
    transform: scale(1.05);
}

/* 右側按鈕組現代化 - 強化保護 */
.modern-navbar .btn-outline-light-modern,
nav.navbar .btn-outline-light-modern {
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    color: rgba(255, 255, 255, 0.9) !important;
    border-radius: 6px !important;
    padding: 8px 16px !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    background: transparent !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    display: inline-flex !important;
    align-items: center !important;
    text-decoration: none !important;
}

.modern-navbar .btn-outline-light-modern:hover,
nav.navbar .btn-outline-light-modern:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
    color: #ffffff !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1) !important;
}

/* 註冊按鈕特殊樣式 - 與登入按鈕統一邊框樣式，保留綠色配色 */
.modern-navbar .register-btn,
nav.navbar .register-btn {
    border: 1px solid rgba(34, 197, 94, 0.4) !important;
    color: #22c55e !important;
    border-radius: 6px !important;
    padding: 8px 16px !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    background: transparent !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    display: inline-flex !important;
    align-items: center !important;
    text-decoration: none !important;
}

.modern-navbar .register-btn:hover,
nav.navbar .register-btn:hover {
    background: rgba(34, 197, 94, 0.1) !important;
    border-color: rgba(34, 197, 94, 0.6) !important;
    color: #16a34a !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.2) !important;
}

/* 下拉菜單現代化 */
.modern-navbar .dropdown-menu {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 8px;
    margin-top: 8px;
}

.modern-navbar .dropdown-item {
    border-radius: 8px;
    padding: 10px 16px;
    transition: all 0.3s ease;
    color: #2d3748;
    font-weight: 500;
}

.modern-navbar .dropdown-item:hover {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    transform: translateX(4px);
}

.modern-navbar .dropdown-item i {
    width: 20px;
    text-align: center;
}

.modern-navbar .dropdown-divider {
    margin: 8px 0;
    border-color: rgba(0, 0, 0, 0.1);
}

/* 用戶歡迎按鈕 - 強化樣式保護 */
.modern-navbar .user-welcome-btn,
nav.navbar .user-welcome-btn {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: #ffffff !important;
    border-radius: 6px !important;
    padding: 8px 16px !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1) !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    display: inline-flex !important;
    align-items: center !important;
    text-decoration: none !important;
}

.modern-navbar .user-welcome-btn:hover,
nav.navbar .user-welcome-btn:hover {
    transform: translateY(-1px) !important;
    background: rgba(255, 255, 255, 0.15) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
}

/* 手機版專用樣式 */
@media (max-width: 991.98px) {
    .modern-navbar .navbar-collapse {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        border-radius: 12px;
        margin-top: 16px;
        padding: 16px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }
    
    .modern-navbar .nav-link {
        color: #2d3748 !important;
        margin: 4px 0;
        display: flex !important;
        align-items: center !important;
        padding: 12px 16px !important;
    }
    
    .modern-navbar .nav-link i {
        width: 18px !important;
        margin-right: 10px !important;
        font-size: 14px !important;
        vertical-align: middle !important;
    }
    
    .modern-navbar .nav-link .ms-1 {
        margin-left: 0 !important;
    }
    
    .modern-navbar .nav-link:hover {
        background: linear-gradient(135deg, #4b5563, #6b7280);
        color: white !important;
    }
    
    .modern-navbar .nav-link.active {
        background: linear-gradient(135deg, #4b5563, #6b7280);
        color: white !important;
    }
    
    /* 修復右側按鈕區域的垂直排版問題 */
    .modern-navbar .d-flex.align-items-center.ms-lg-3 {
        flex-direction: row !important;
        gap: 8px;
        margin-top: 16px;
        justify-content: center;
    }
    
    .modern-navbar .btn-outline-light-modern,
    nav.navbar .btn-outline-light-modern {
        background: linear-gradient(135deg, #f8f9fa, #e9ecef) !important;
        color: #2d3748 !important;
        border: 1px solid rgba(45, 55, 72, 0.3) !important;
        flex: 1;
    }
    
    .modern-navbar .btn-outline-light-modern,
    .modern-navbar .btn-outline-light-modern *,
    nav.navbar .btn-outline-light-modern,
    nav.navbar .btn-outline-light-modern * {
        color: #2d3748 !important;
    }
    
    .modern-navbar .btn-outline-light-modern:hover,
    nav.navbar .btn-outline-light-modern:hover {
        background: linear-gradient(135deg, #2d3748, #4a5568) !important;
        color: white !important;
        border-color: transparent !important;
    }
    
    .modern-navbar .btn-outline-light-modern:hover,
    .modern-navbar .btn-outline-light-modern:hover *,
    nav.navbar .btn-outline-light-modern:hover,
    nav.navbar .btn-outline-light-modern:hover * {
        color: white !important;
    }
    
    .social-worker-btn {
        width: 100%;
        margin-bottom: 8px;
    }
    
    .modern-navbar .register-btn,
    nav.navbar .register-btn {
        flex: 1;
        background: linear-gradient(135deg, #f0fdf4, #dcfce7) !important;
        color: #22c55e !important;
        border: 1px solid rgba(34, 197, 94, 0.4) !important;
    }
    
    .modern-navbar .register-btn,
    .modern-navbar .register-btn *,
    nav.navbar .register-btn,
    nav.navbar .register-btn * {
        color: #22c55e !important;
    }
    
    .modern-navbar .register-btn:hover,
    nav.navbar .register-btn:hover {
        background: linear-gradient(135deg, #22c55e, #16a34a) !important;
        color: white !important;
        border-color: transparent !important;
    }
    
    .modern-navbar .register-btn:hover,
    .modern-navbar .register-btn:hover *,
    nav.navbar .register-btn:hover,
    nav.navbar .register-btn:hover * {
        color: white !important;
    }
    
    .modern-navbar .user-welcome-btn,
    nav.navbar .user-welcome-btn {
        flex: 1 !important;
        background: linear-gradient(135deg, #4b5563, #6b7280) !important;
        color: white !important;
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
        border-radius: 6px !important;
        padding: 8px 16px !important;
        font-weight: 500 !important;
        transition: all 0.3s ease !important;
    }
    
    .modern-navbar .user-welcome-btn:hover,
    nav.navbar .user-welcome-btn:hover,
    .modern-navbar .user-welcome-btn:focus,
    nav.navbar .user-welcome-btn:focus {
        background: linear-gradient(135deg, #6b7280, #9ca3af) !important;
        color: white !important;
        border-color: rgba(255, 255, 255, 0.3) !important;
        transform: none !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    }
}

/* 動畫效果 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modern-navbar .dropdown-menu.show {
    animation: slideDown 0.3s ease;
}

/* 響應式字體大小 */
@media (max-width: 575.98px) {
    .modern-navbar .navbar-brand {
        font-size: 1.3rem;
    }
}

/* 滾動時導航列效果 */
.modern-navbar.scrolled {
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.95) 0%, rgba(55, 65, 81, 0.95) 100%);
    backdrop-filter: blur(20px);
}