/* 
 * 全新的手機版選單樣式 
 * 使用mobile-menu-前綴避免與原有選單樣式衝突
 */

/* 手機版選單只在小屏幕顯示 */
.mobile-menu {
  display: none;
}

@media (max-width: 768px) {
  /* 隱藏原本的menu按鈕和顯示手機版menu按鈕 */
  .nav-bar .menu-button {
    display: none;
  }
  
  .mobile-menu {
    display: block;
  }
  
  /* 手機版選單按鈕 */
  .mobile-menu-button {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2500;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
  }
  
  .mobile-menu-button:hover {
    transform: scale(1.05);
  }
  
  .mobile-menu-button svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: white;
    stroke-width: 2;
    stroke-linecap: round;
  }
  
  /* 選單按鈕打開時的樣式 */
  .mobile-menu-button.active {
    background: #fff;
  }
  
  .mobile-menu-button.active svg {
    stroke: var(--primary);
  }
  
  .mobile-menu-button.active .menu-icon {
    display: none;
  }
  
  .mobile-menu-button.active .close-icon {
    display: block !important;
  }
  
  /* 手機版選單容器 */
  .mobile-menu-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--dark-bg);
    z-index: 2400;
    display: flex;
    flex-direction: column;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.5, 0, 0.3, 1);
    overflow-y: auto;
  }
  
  .mobile-menu-container.active {
    transform: translateY(0);
  }
  
  /* 手機版選單頂部 */
  .mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(0, 0, 0, 0.2);
  }
  
  .mobile-menu-header .logo {
    font-size: 1.5rem;
    color: var(--primary);
  }
  
  .mobile-menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
  }
  
  .mobile-menu-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
  
  .mobile-menu-close svg {
    width: 20px;
    height: 20px;
  }
  
  /* 手機版主選單 */
  .mobile-menu-main {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  
  .mobile-menu-main-screen {
    display: block;
    animation: fadeIn 0.3s ease;
  }
  
  .mobile-menu-sub-screen {
    display: none;
    animation: fadeIn 0.3s ease;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  .mobile-menu-main-screen.hidden,
  .mobile-menu-sub-screen.hidden {
    display: none;
  }
  
  .mobile-menu-main-screen.active,
  .mobile-menu-sub-screen.active {
    display: block;
  }
  
  /* 主選單列表樣式 */
  .mobile-menu-items {
    list-style-type: none;
    padding: 0;
    margin: 0;
  }
  
  .mobile-menu-item {
    margin-bottom: 15px;
    transition: transform 0.2s ease;
  }
  
  .mobile-menu-item:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
  }
  
  .mobile-menu-item:hover {
    transform: translateX(5px);
  }
  
  .mobile-menu-item a,
  .mobile-menu-item button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 10px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: color 0.2s ease;
  }
  
  .mobile-menu-item a:hover,
  .mobile-menu-item button:hover {
    color: var(--primary);
  }
  
  .mobile-menu-item a span,
  .mobile-menu-item button span {
    display: flex;
    align-items: center;
    gap: 15px;
  }
  
  .mobile-menu-item .number {
    color: var(--primary);
    font-size: 1rem;
    font-weight: 500;
    min-width: 25px;
    text-align: center;
  }
  
  .mobile-menu-item button svg {
    transition: transform 0.2s ease;
  }
  
  .mobile-menu-item button:hover svg {
    transform: translateX(5px);
  }
  
  /* 手機版子選單 */
  .mobile-menu-sub-screen {
    padding: 20px 0;
  }
  
  .mobile-menu-sub-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .mobile-menu-back-btn {
    background: none;
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.9rem;
    border-radius: 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  .mobile-menu-back-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary);
  }
  
  .mobile-menu-back-btn svg {
    transition: transform 0.2s ease;
  }
  
  .mobile-menu-back-btn:hover svg {
    transform: translateX(-3px);
  }
  
  .mobile-menu-sub-title {
    font-size: 1.3rem;
    color: var(--primary);
    margin: 0;
    font-weight: 500;
  }
  
  .mobile-menu-subitems-container {
    padding: 0 5px;
  }
  
  .mobile-menu-subitems {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 10px;
  }
  
  .mobile-menu-subitem {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: transform 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }
  
  .mobile-menu-subitem:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
  }
  
  .mobile-menu-subitem a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    text-decoration: none;
    padding: 15px;
    font-size: 1rem;
    transition: color 0.2s ease;
    border-left: 3px solid transparent;
  }
  
  .mobile-menu-subitem a:hover {
    color: var(--primary);
    border-left: 3px solid var(--primary);
  }
  
  .subitem-title {
    flex: 1;
  }
  
  .subitem-arrow {
    opacity: 0.5;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  
  .mobile-menu-subitem a:hover .subitem-arrow {
    opacity: 1;
    transform: translateX(3px);
  }
  
  /* 聯絡資訊 */
  .mobile-menu-contact {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-top: auto;
  }
  
  .mobile-menu-contact p {
    margin-bottom: 8px;
  }
  
  .mobile-menu-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    margin-bottom: 15px;
  }
  
  .mobile-menu-social a {
    color: #fff;
    text-decoration: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  .mobile-menu-social a:hover {
    background-color: var(--primary);
    color: #000;
  }
  
  /* Mobile Menu 中的語言切換器 */
  .mobile-menu-language-switcher {
    margin-top: 15px;
  }
  
  .mobile-menu-language-switcher .lang-btn {
    font-size: 0.85rem;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
  }
  
  .mobile-menu-language-switcher .lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
  }
  
  .mobile-menu-language-switcher .lang-btn.active {
    background: var(--primary, #00f5d4);
    color: var(--dark-bg, #0a0f18);
    border-color: var(--primary, #00f5d4);
  }
  
  /* 防止滾動 */
  body.mobile-menu-open {
    overflow: hidden;
  }
}