/* 綠色系配色方案 - 適合老人家使用的社區公告系統 */
:root {
    /* 主色調 - 綠色系 */
    --primary-green: #2E7D32;      /* 深綠色 - 主要按鈕和導航 */
    --primary-light: #4CAF50;      /* 中綠色 - 次要按鈕 */
    --primary-lighter: #66BB6A;    /* 淺綠色 - 懸停效果 */
    --accent-green: #81C784;       /* 強調綠色 - 特殊元素 */
    
    /* 背景色系 */
    --bg-primary: #F1F8E9;         /* 主背景 - 淺綠米色 */
    --bg-secondary: #E8F5E8;       /* 次要背景 - 更淺的綠色 */
    --bg-card: #FFFFFF;            /* 卡片背景 - 純白 */
    
    /* 文字色系 */
    --text-primary: #1B5E20;       /* 主要文字 - 深綠色 */
    --text-secondary: #2E7D32;     /* 次要文字 - 中綠色 */
    --text-muted: #558B2F;         /* 靜音文字 - 淺綠色 */
    --text-light: #FFFFFF;         /* 淺色文字 - 白色 */
    
    /* 邊框和陰影 */
    --border-color: #C8E6C9;       /* 邊框色 - 淺綠色 */
    --shadow-light: rgba(46, 125, 50, 0.1);  /* 淺陰影 */
    --shadow-medium: rgba(46, 125, 50, 0.2); /* 中陰影 */
    
    /* 狀態色 */
    --success-color: #4CAF50;      /* 成功色 - 綠色 */
    --warning-color: #FF9800;      /* 警告色 - 橙色 */
    --error-color: #F44336;        /* 錯誤色 - 紅色 */
    --info-color: #2196F3;         /* 資訊色 - 藍色 */
}

/* 基礎重置和字體設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft JhengHei', 'PingFang TC', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px; /* 增大基礎字體尺寸 */
}

/* 導航欄 - 手機收合版設計 */
.navbar {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-light) 100%);
    box-shadow: 0 4px 12px var(--shadow-medium);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 8px 0;
    overflow: visible;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    color: var(--text-light);
    font-size: 18px;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.15);
    padding: 12px 16px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    background: rgba(255, 255, 255, 0.25);
}

.nav-logo i {
    margin-right: 8px;
    font-size: 20px;
}

/* 漢堡菜單按鈕 */
.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: var(--text-light);
    font-size: 20px;
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
}

.nav-menu {
    display: flex;
    gap: 5px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: 12px 18px;
    border-radius: 22px;
    transition: all 0.3s ease;
    font-size: 15px;
    font-weight: 600;
    min-width: 70px;
    text-align: center;
    position: relative;
    white-space: nowrap;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.25);
    color: var(--text-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 搜尋欄 - 優化觸控體驗 */
.search-container {
    background-color: var(--bg-secondary);
    padding: 20px;
    border-bottom: 2px solid var(--border-color);
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    background-color: var(--bg-card);
    border-radius: 30px; /* 更圓潤的邊角 */
    box-shadow: 0 4px 12px var(--shadow-light);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.search-box i {
    padding: 15px 20px; /* 增大圖標區域 */
    color: var(--text-muted);
    font-size: 18px; /* 增大圖標尺寸 */
}

.search-box input {
    flex: 1;
    border: none;
    padding: 15px 20px; /* 增大輸入框高度 */
    font-size: 16px; /* 增大字體 */
    outline: none;
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box button {
    background-color: var(--primary-green);
    color: var(--text-light);
    border: none;
    padding: 15px 25px; /* 增大按鈕尺寸 */
    font-size: 16px; /* 增大字體 */
    cursor: pointer;
    transition: background-color 0.3s ease;
    min-width: 80px; /* 確保觸控區域 */
}

.search-box button:hover {
    background-color: var(--primary-light);
}

/* 輪播圖 - 優化版綠色系主題 */
.carousel-container {
    margin: 0 20px 25px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 24px var(--shadow-medium);
    position: relative;
    background: var(--bg-card);
}

.carousel {
    position: relative;
    height: 280px;
    border-radius: 20px;
    overflow: hidden;
}

.carousel-item {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(50px);
    cursor: pointer;
}

.carousel-item.active {
    opacity: 1;
    transform: translateX(0);
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85);
    transition: filter 0.3s ease;
}

.carousel-item:hover img {
    filter: brightness(1);
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(46, 125, 50, 0.9));
    color: var(--text-light);
    padding: 40px 25px 25px;
    text-align: center;
    backdrop-filter: blur(5px);
}

.carousel-caption h3 {
    font-size: 22px;
    margin-bottom: 10px;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.5px;
}

.carousel-caption p {
    font-size: 16px;
    opacity: 0.95;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
}

/* 輪播控制按鈕 - 現代化設計 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-green);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--text-light);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.carousel-btn.prev {
    left: 15px;
}

.carousel-btn.next {
    right: 15px;
}

/* 輪播指示點 - 現代化設計 */
.carousel-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.dot {
    width: 12px;
    height: 12px;
    min-width: 12px;
    min-height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    flex-shrink: 0;
    flex-grow: 0;
    display: inline-block;
    box-sizing: border-box;
}

.dot.active {
    background-color: var(--text-light);
    transform: scale(1.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

/* 分類標籤 - 綠色系設計 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px; /* 增大間距 */
    margin: 30px 20px;
    flex-wrap: wrap;
}

.tab-btn {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: 12px 24px; /* 增大按鈕尺寸 */
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px; /* 增大字體 */
    font-weight: 500;
    min-width: 100px; /* 確保觸控區域 */
    text-align: center;
}

.tab-btn:hover,
.tab-btn.active {
    background-color: var(--primary-green);
    color: var(--text-light);
    border-color: var(--primary-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

/* 公告容器 */
.announcements-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 公告卡片 - 綠色系設計 */
.announcement-card {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 25px; /* 增大內邊距 */
    margin-bottom: 20px;
    box-shadow: 0 4px 12px var(--shadow-light);
    border-left: 6px solid var(--primary-green);
    transition: all 0.3s ease;
    cursor: pointer;
}

.announcement-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.announcement-card.urgent {
    border-left-color: var(--warning-color);
    background: linear-gradient(135deg, #FFF3E0 0%, var(--bg-card) 100%);
}

.announcement-card.activity {
    border-left-color: var(--info-color);
    background: linear-gradient(135deg, #E3F2FD 0%, var(--bg-card) 100%);
}

.announcement-card.report {
    border-left-color: var(--accent-green);
    background: linear-gradient(135deg, #E8F5E8 0%, var(--bg-card) 100%);
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.announcement-title {
    font-size: 18px; /* 增大標題字體 */
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.announcement-meta {
    display: flex;
    gap: 15px;
    font-size: 14px; /* 適中的字體 */
    color: var(--text-muted);
    flex-wrap: wrap;
}

.announcement-type {
    background-color: var(--primary-light);
    color: var(--text-light);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.announcement-content {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 16px; /* 增大內容字體 */
}

.announcement-keywords {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.keyword {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    border: 1px solid var(--border-color);
}

/* 里民信箱區域 */
.report-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.report-header h2 {
    color: var(--text-primary);
    font-size: 24px; /* 增大標題字體 */
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 按鈕樣式 - 綠色系設計 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-light) 100%);
    color: var(--text-light);
    border: none;
    padding: 15px 30px; /* 增大按鈕尺寸 */
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px; /* 增大字體 */
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--shadow-light);
    min-width: 120px; /* 確保觸控區域 */
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--shadow-medium);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: 15px 30px; /* 增大按鈕尺寸 */
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px; /* 增大字體 */
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 120px; /* 確保觸控區域 */
    text-align: center;
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

/* 表單樣式 - 優化觸控體驗 */
.report-form,
.admin-form {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 30px; /* 增大內邊距 */
    margin-bottom: 30px;
    box-shadow: 0 4px 12px var(--shadow-light);
    border: 2px solid var(--border-color);
}

.report-form h3,
.admin-form h3 {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 20px; /* 增大標題字體 */
    font-weight: bold;
}

.form-group {
    margin-bottom: 25px; /* 增大間距 */
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 16px; /* 增大標籤字體 */
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px; /* 增大輸入框高度 */
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px; /* 增大字體 */
    color: var(--text-primary);
    background-color: var(--bg-card);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px; /* 增大文字區域高度 */
}

/* 照片預覽 */
.photo-preview {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.photo-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

/* 表單操作按鈕 */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* 回報列表 */
.reports-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.report-item {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 25px; /* 增大內邊距 */
    box-shadow: 0 4px 12px var(--shadow-light);
    border-left: 6px solid var(--primary-green);
    transition: all 0.3s ease;
    cursor: pointer;
}

.report-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.report-item.pending {
    border-left-color: var(--warning-color);
}

.report-item.replied {
    border-left-color: var(--success-color);
}

.report-header-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.report-title {
    font-size: 18px; /* 增大標題字體 */
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.report-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.report-status {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.report-status.pending {
    background-color: #FFF3E0;
    color: var(--warning-color);
}

.report-status.replied {
    background-color: #E8F5E8;
    color: var(--success-color);
}

.report-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 16px; /* 增大內容字體 */
}

.report-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
    border-radius: 20px;
    min-width: 80px;
}

/* 模態視窗 - 綠色系設計 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 30px; /* 增大內邊距 */
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 8px 32px var(--shadow-medium);
    border: 2px solid var(--border-color);
}

.close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 28px; /* 增大關閉按鈕 */
    color: var(--text-muted);
    cursor: pointer;
    width: 40px; /* 增大觸控區域 */
    height: 40px; /* 增大觸控區域 */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* 成功提示視窗 */
.success-modal {
    text-align: center;
    max-width: 400px;
}

.success-modal i {
    font-size: 48px; /* 增大圖標 */
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-modal h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 20px; /* 增大標題字體 */
}

/* 管理後台樣式 */
.admin-section {
    display: none;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.admin-section.active {
    display: block;
}

.admin-container {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 30px; /* 增大內邊距 */
    margin-bottom: 30px;
    box-shadow: 0 4px 12px var(--shadow-light);
    border: 2px solid var(--border-color);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-header h2 {
    color: var(--text-primary);
    font-size: 24px; /* 增大標題字體 */
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-list h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 20px; /* 增大標題字體 */
    font-weight: bold;
}

.list-filters {
    margin-bottom: 20px;
}

.list-filters select {
    padding: 12px 20px; /* 增大選擇框高度 */
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px; /* 增大字體 */
    color: var(--text-primary);
    background-color: var(--bg-card);
    min-width: 150px; /* 確保觸控區域 */
}

/* 區段切換 */
.section {
    display: none;
    padding: 20px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.section.active {
    display: block;
}

/* 跑馬燈樣式 - 優化版 */
.marquee-container {
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--accent-green) 50%, var(--primary-light) 100%);
    color: var(--text-light);
    padding: 12px 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.marquee-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 50px;
    background: linear-gradient(90deg, var(--primary-light) 0%, transparent 100%);
    z-index: 2;
    pointer-events: none;
}

.marquee-container::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 50px;
    background: linear-gradient(270deg, var(--primary-light) 0%, transparent 100%);
    z-index: 2;
    pointer-events: none;
}

.marquee {
    display: inline-block;
    animation: marquee 35s linear infinite;
}

.marquee-text {
    font-size: 15px;
    font-weight: 500;
    padding-left: 100%;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    display: inline-flex;
    align-items: center;
}

.marquee-text::before {
    content: '📢';
    margin-right: 10px;
    font-size: 16px;
}

@keyframes marquee {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* 快速選單樣式 */
.quick-menu {
    max-width: 800px;
    margin: 30px auto;
    padding: 0 20px;
}

.quick-menu h3 {
    color: var(--text-primary);
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
}

.quick-menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.quick-menu-item {
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 20px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--shadow-light);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.quick-menu-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-medium);
    border-color: var(--primary-green);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
}

.quick-menu-item i {
    font-size: 28px;
    color: var(--primary-green);
    margin-bottom: 5px;
}

.quick-menu-item span {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-primary);
}

.quick-menu-item small {
    font-size: 12px;
    color: var(--text-muted);
}

/* GO食餐廳樣式 */
.restaurants-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.restaurant-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.restaurant-header h2 {
    color: var(--text-primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.restaurant-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    min-width: 80px;
    text-align: center;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-green);
    color: var(--text-light);
    border-color: var(--primary-green);
    transform: translateY(-2px);
}

.restaurants-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 100px; /* 為底部按鈕留空間 */
}

.restaurant-card {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 12px var(--shadow-light);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.restaurant-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.restaurant-card .restaurant-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-green) 100%);
    border-radius: 10px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 48px;
}

.restaurant-name {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.restaurant-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 8px;
}

.restaurant-status {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.restaurant-status.open {
    background-color: #E8F5E8;
    color: var(--success-color);
}

.restaurant-status.closed {
    background-color: #FFEBEE;
    color: var(--error-color);
}

.restaurant-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.feature-tag {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    border: 1px solid var(--border-color);
}

.restaurant-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.favorite-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 8px;
    border-radius: 50%;
}

.favorite-btn:hover,
.favorite-btn.favorited {
    color: var(--error-color);
}

/* 底部固定按鈕 */
.fixed-bottom-buttons {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background-color: var(--bg-card);
    padding: 15px;
    border-radius: 25px;
    box-shadow: 0 4px 16px var(--shadow-medium);
    border: 2px solid var(--border-color);
    z-index: 100;
}

/* 共餐活動樣式 */
.dining-events-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.dining-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.dining-header h2 {
    color: var(--text-primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.event-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.dining-events-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.dining-event-card {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 12px var(--shadow-light);
    border-left: 6px solid var(--primary-green);
    transition: all 0.3s ease;
    cursor: pointer;
}

.dining-event-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.dining-event-card.full {
    border-left-color: var(--warning-color);
}

.dining-event-card.closed {
    border-left-color: var(--text-muted);
    opacity: 0.7;
}

.dining-event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.dining-event-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.dining-event-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.dining-event-status {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.dining-event-status.open {
    background-color: #E8F5E8;
    color: var(--success-color);
}

.dining-event-status.full {
    background-color: #FFF3E0;
    color: var(--warning-color);
}

.dining-event-status.closed {
    background-color: #F5F5F5;
    color: var(--text-muted);
}

.dining-event-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 16px;
}

.dining-event-participants {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--text-secondary);
}

.participant-count {
    font-weight: 500;
}

.dining-event-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

/* 共餐活動詳細頁面樣式 */
.dining-detail-modal .modal-content {
    max-width: 100%;
    margin: 0;
    border-radius: 0;
    height: 100vh;
    overflow-y: auto;
}

.dining-detail-content {
    padding: 20px;
}

.dining-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.dining-detail-header h2 {
    color: var(--text-primary);
    margin: 0;
    font-size: 24px;
}

.dining-status {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
}

.dining-status.open {
    background-color: var(--success-color);
    color: white;
}

.dining-status.closed {
    background-color: var(--error-color);
    color: white;
}

.dining-status.finished {
    background-color: var(--text-muted);
    color: white;
}

.dining-info-section {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding: 10px 0;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item i {
    width: 20px;
    color: var(--primary-green);
    font-size: 18px;
}

.info-item span {
    color: var(--text-muted);
    min-width: 80px;
}

.info-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.dining-description {
    margin-bottom: 25px;
}

.dining-description h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 18px;
}

.dining-description p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.vote-results {
    margin-bottom: 25px;
}

.vote-results h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 18px;
}

.vote-chart {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    padding: 20px;
}

.vote-option-result {
    margin-bottom: 15px;
}

.vote-option-result:last-child {
    margin-bottom: 0;
}

.option-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.vote-bar {
    position: relative;
    background-color: var(--bg-card);
    border-radius: 20px;
    height: 30px;
    overflow: hidden;
}

.vote-fill {
    background: linear-gradient(90deg, var(--primary-green) 0%, var(--primary-light) 100%);
    height: 100%;
    border-radius: 20px;
    transition: width 0.5s ease;
}

.vote-count {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
}

.participants-section {
    margin-bottom: 25px;
}

.participants-section h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 18px;
}

.participants-list {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    padding: 20px;
}

.participant-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding: 8px 0;
}

.participant-item:last-child {
    margin-bottom: 0;
}

.participant-item i {
    color: var(--primary-green);
    font-size: 18px;
}

.participant-item span {
    color: var(--text-primary);
    font-weight: 500;
}

.organizer-badge {
    background-color: var(--warning-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    margin-left: auto;
}

.dining-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.dining-action-btn {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
}

/* 投票模態框樣式 */
.vote-modal .modal-content {
    max-width: 500px;
    margin: 50px auto;
}

.vote-content {
    padding: 20px;
}

.vote-event-info {
    text-align: center;
    margin-bottom: 25px;
    padding: 20px;
    background-color: var(--bg-secondary);
    border-radius: 15px;
}

.vote-event-info h4 {
    color: var(--text-primary);
    margin: 0 0 10px 0;
    font-size: 20px;
}

.vote-event-info p {
    color: var(--text-secondary);
    margin: 0;
}

.vote-actions {
    text-align: center;
}

/* 餐廳選擇器樣式 */
.restaurant-picker-modal .modal-content {
    max-width: 600px;
    margin: 20px auto;
    height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

.restaurant-picker-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.picker-search {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.picker-search input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s ease;
}

.picker-search input:focus {
    border-color: var(--primary-green);
}

.restaurant-picker-list {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.restaurant-picker-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    margin-bottom: 10px;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.restaurant-picker-item:hover {
    border-color: var(--primary-green);
    transform: translateY(-1px);
}

.restaurant-picker-item.selected {
    border-color: var(--primary-green);
    background-color: var(--bg-secondary);
}

.restaurant-info {
    flex: 1;
}

.restaurant-info .restaurant-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.restaurant-details {
    color: var(--text-muted);
    font-size: 14px;
}

.selection-checkbox {
    color: var(--primary-green);
    font-size: 20px;
}

/* 選中的餐廳標籤 */
.selected-restaurants {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.selected-restaurant-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-green);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 14px;
}

.selected-restaurant-tag button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    font-size: 14px;
}

.selected-restaurant-tag button:hover {
    opacity: 0.7;
}

/* 發起人管理面板樣式 */
.organizer-panel-modal .modal-content {
    max-width: 900px;
    margin: 20px auto;
    height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

.organizer-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.event-info-card {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-green);
}

.event-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.event-info-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-size: 20px;
}

.event-status {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.event-status.open {
    background-color: var(--success-color);
    color: white;
}

.event-status.closed {
    background-color: var(--error-color);
    color: white;
}

.event-status.confirmed {
    background-color: var(--primary-green);
    color: white;
}

.event-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.detail-item i {
    color: var(--primary-green);
    width: 16px;
}

.management-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.management-card {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.management-card h4 {
    color: var(--text-primary);
    margin: 0 0 15px 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.management-card h4 i {
    color: var(--primary-green);
}

.share-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.share-link-container {
    display: flex;
    gap: 10px;
}

.share-link-container input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.share-qr {
    display: flex;
    justify-content: center;
}

.vote-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.vote-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.open {
    background-color: var(--success-color);
    color: white;
}

.status-badge.closed {
    background-color: var(--error-color);
    color: white;
}

.vote-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.live-vote-results h5 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.live-vote-chart {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.live-vote-item {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 15px;
}

.vote-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.vote-info .restaurant-name {
    font-weight: 600;
    color: var(--text-primary);
}

.vote-stats {
    color: var(--text-muted);
    font-size: 14px;
}

.vote-progress {
    background-color: var(--bg-card);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
}

.vote-progress .vote-fill {
    background: linear-gradient(90deg, var(--primary-green) 0%, var(--primary-light) 100%);
    height: 100%;
    transition: width 0.5s ease;
}

.participants-management {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.participants-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.stat-item {
    text-align: center;
    background-color: var(--bg-secondary);
    padding: 15px;
    border-radius: 10px;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.participants-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.participant-management-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background-color: var(--bg-secondary);
    border-radius: 10px;
}

.participant-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.participant-info i {
    color: var(--primary-green);
}

.organizer-tag {
    background-color: var(--warning-color);
    color: white;
    padding: 2px 6px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 600;
    margin-left: 8px;
}

.waiting-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.waiting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border-left: 3px solid var(--warning-color);
}

.event-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.btn-sm {
    padding: 6px 10px;
    font-size: 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-sm.btn-danger {
    background-color: var(--error-color);
    color: white;
}

.btn-sm.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-sm:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}

/* QR碼模態框樣式 */
.qr-modal .modal-content {
    max-width: 400px;
    margin: 50px auto;
    text-align: center;
}

.qr-content {
    padding: 20px;
}

.qr-display {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 20px;
}

.qr-placeholder {
    color: var(--text-muted);
}

.qr-placeholder i {
    font-size: 80px;
    margin-bottom: 15px;
    color: var(--primary-green);
}

.qr-placeholder p {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.qr-placeholder small {
    font-size: 12px;
    word-break: break-all;
}

.qr-instruction {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.qr-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* 投票頁面樣式 */
.vote-container {
    max-width: 600px;
    margin: 0 auto;
}

.vote-container h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 20px;
    text-align: center;
}

.vote-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.vote-option {
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.vote-option:hover {
    border-color: var(--primary-green);
    background-color: var(--bg-secondary);
}

.vote-option.selected {
    border-color: var(--primary-green);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
}

.vote-option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.vote-option-name {
    font-weight: bold;
    color: var(--text-primary);
}

.vote-count {
    background-color: var(--primary-green);
    color: var(--text-light);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
}

/* 隱藏類別 */
.hidden {
    display: none !important;
}

/* 無障礙功能 - 焦點指示器 */
.nav-link:focus,
.tab-btn:focus,
.btn-primary:focus,
.btn-secondary:focus,
.carousel-btn:focus,
.dot:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.3);
}

/* 改善鍵盤導航的視覺回饋 */
.nav-link:focus-visible,
.tab-btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

/* 高對比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #1a1a1a;
        --border-color: #000000;
        --shadow-medium: rgba(0, 0, 0, 0.5);
    }
    
    .btn-primary,
    .btn-secondary {
        border: 2px solid var(--text-primary);
    }
}

/* 減少動畫模式支持 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 針對9:16 (1080x1920)屏幕優化 */
@media (max-width: 1080px) and (min-height: 1920px) {
    :root {
        --content-padding: 20px;
        --nav-height: 70px;
        --search-height: 80px;
        --bottom-nav-height: 80px;
    }
    
    body {
        font-size: 18px;
        line-height: 1.7;
    }
    
    /* 導航欄9:16優化 */
    .navbar {
        padding: 12px 0;
    }
    
    .nav-logo {
        font-size: 20px;
        padding: 14px 18px;
    }
    
    .nav-menu {
        padding: 10px;
    }
    
    .nav-link {
        padding: 14px 20px;
        font-size: 16px;
        min-width: 75px;
    }
    
    /* 跑馬燈9:16優化 */
    .marquee-container {
        padding: 14px 0;
    }
    
    .marquee-text {
        font-size: 16px;
    }
    
    /* 輪播圖9:16優化 */
    .carousel-container {
        margin: 0 25px 30px;
    }
    
    .carousel {
        height: 320px;
    }
    
    .carousel-caption {
        padding: 45px 30px 30px;
    }
    
    .carousel-caption h3 {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .carousel-caption p {
        font-size: 17px;
    }
    
    .carousel-btn {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .carousel-dots {
        bottom: 20px;
        padding: 10px 15px;
    }
    
    .dot {
        width: 14px;
        height: 14px;
        min-width: 14px;
        min-height: 14px;
    }
    
    /* 快速選單優化 */
    .quick-menu-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        max-width: 100%;
    }
    
    .quick-menu-item {
        min-height: 120px;
        padding: 20px 15px;
    }
    
    .quick-menu-item i {
        font-size: 32px;
    }
    
    .quick-menu-item span {
        font-size: 16px;
    }
    
    /* 公告卡片優化 */
    .announcement-card {
        min-height: 180px;
        padding: 25px;
        margin-bottom: 20px;
    }
    
    .announcement-title {
        font-size: 20px;
    }
    
    .announcement-content {
        font-size: 17px;
    }
    
    /* 搜尋欄優化 */
    .search-box input,
    .search-box button {
        padding: 20px 25px;
        font-size: 18px;
    }
    
    /* 按鈕優化 */
    .btn-primary,
    .btn-secondary {
        min-height: 50px;
        padding: 18px 30px;
        font-size: 17px;
    }
    
    /* 分類標籤優化 */
    .tab-btn {
        min-height: 48px;
        padding: 15px 25px;
        font-size: 16px;
    }
}

/* 響應式設計 - 手機優先 */
@media (max-width: 768px) {
    body {
        font-size: 18px; /* 手機上進一步增大字體 */
    }
    
    /* 手機版導航收合設計 */
    .nav-container {
        padding: 0 15px;
        position: relative;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-light) 100%);
        padding: 20px;
        border-radius: 0 0 20px 20px;
        backdrop-filter: none;
        flex-direction: column;
        gap: 15px;
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 8px 24px var(--shadow-strong);
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        z-index: 1001;
        pointer-events: none;
    }
    
    .nav-menu.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
    
    .nav-link {
        width: 100%;
        min-width: auto;
        padding: 16px 20px;
        font-size: 16px;
        border-radius: 15px;
        background: rgba(255, 255, 255, 0.1);
        text-align: left;
        display: flex;
        align-items: center;
        gap: 12px;
        min-height: 44px;
    }
    
    .nav-link::before {
        content: '';
        width: 20px;
        height: 20px;
        display: inline-block;
        font-size: 16px;
    }
    
    .nav-link[onclick*="home"]::before {
        content: '🏠';
    }
    
    .nav-link[onclick*="announcements"]::before {
        content: '📢';
    }
    
    .nav-link[onclick*="restaurants"]::before {
        content: '🍽️';
    }
    
    .nav-link[onclick*="dining-events"]::before {
        content: '👥';
    }
    
    .nav-link[href*="admin"]::before {
        content: '⚙️';
    }
    
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateX(5px);
    }
    
    .nav-link.active {
        background: rgba(255, 255, 255, 0.25);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    /* Logo點擊功能 */
    .nav-logo {
        font-size: 16px;
        padding: 10px 14px;
    }
    
    /* 增大觸控目標尺寸，適合老人家使用 */
    .tab-btn,
    .btn-primary,
    .btn-secondary,
    .carousel-btn,
    .dot {
        min-height: 44px; /* 符合無障礙標準的最小觸控目標 */
    }
    
    /* 改善表單元素的觸控體驗 */
    .form-group input,
    .form-group select,
    .form-group textarea {
        min-height: 44px;
        font-size: 18px; /* 防止iOS縮放 */
    }
    
    /* 增大間距，避免誤觸 */
    .nav-menu,
    .category-tabs,
    .form-actions {
        gap: 15px;
    }
    
    /* 輪播圖手機優化 */
    .carousel-container {
        margin: 0 15px 20px;
        z-index: 1;
        position: relative;
    }
    
    .carousel {
        height: 240px;
    }
    
    .carousel-caption {
        padding: 30px 20px 20px;
    }
    
    .carousel-caption h3 {
        font-size: 18px;
    }
    
    .carousel-caption p {
        font-size: 14px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
        z-index: 10;
    }
    
    .carousel-btn.prev {
        left: 10px;
    }
    
    .carousel-btn.next {
        right: 10px;
    }
    
    .carousel-dots {
        z-index: 10;
        padding: 6px 10px;
    }
    
    .dot {
        width: 10px;
        height: 10px;
        min-width: 10px;
        min-height: 10px;
    }
    
    /* 快速選單手機版調整 */
    .quick-menu {
        margin: 25px auto;
        padding: 0 15px;
    }
    
    .quick-menu h3 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .quick-menu-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        max-width: 100%;
    }
    
    .quick-menu-item {
        padding: 16px 10px;
        min-height: 90px;
        border-radius: 12px;
    }
    
    .quick-menu-item i {
        font-size: 24px;
        margin-bottom: 8px;
    }
    
    .quick-menu-item span {
        font-size: 14px;
        font-weight: 600;
    }
    
    .quick-menu-item small {
        font-size: 11px;
        margin-top: 4px;
    }
    
    /* 共餐活動手機版調整 */
    .dining-events-container {
        padding: 15px;
    }
    
    .dining-header {
        margin-bottom: 20px;
    }
    
    .dining-header h2 {
        font-size: 20px;
    }
    
    .event-filters {
        gap: 10px;
        margin-bottom: 20px;
    }
    
    .filter-btn {
        padding: 10px 15px;
        font-size: 14px;
        min-width: 70px;
    }
    
    .dining-event-card {
        margin-bottom: 15px;
        padding: 18px;
    }
    
    .dining-event-card h3 {
        font-size: 17px;
    }
    
    .event-meta {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .join-btn {
        min-width: 100px;
        padding: 10px 16px;
        font-size: 14px;
    }
    
    /* 共餐詳細頁面手機版 */
    .dining-detail-content {
        padding: 15px;
    }
    
    .dining-detail-header h2 {
        font-size: 20px;
    }
    
    .dining-info-section {
        padding: 15px;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        margin-bottom: 12px;
    }
    
    .info-item span {
        min-width: auto;
        font-size: 14px;
    }
    
    .dining-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .dining-action-btn {
        min-width: auto;
        padding: 14px 20px;
        font-size: 15px;
    }
    
    /* 投票模態框手機版 */
    .vote-modal .modal-content {
        margin: 10px;
        max-width: calc(100% - 20px);
        height: calc(100vh - 20px);
    }
    
    .vote-event-info {
        padding: 15px;
    }
    
    .vote-option {
        padding: 15px;
        margin-bottom: 12px;
    }
    
    .restaurant-name {
        font-size: 16px;
    }
    
    /* 餐廳選擇器手機版 */
    .restaurant-picker-modal .modal-content {
        margin: 10px;
        max-width: calc(100% - 20px);
        height: calc(100vh - 20px);
    }
    
    .picker-search {
        padding: 15px;
    }
    
    .restaurant-picker-list {
        padding: 15px;
    }
    
    .restaurant-picker-item {
        padding: 12px;
        margin-bottom: 8px;
    }
    
    /* 餐廳列表手機版調整 */
    .restaurants-list {
        grid-template-columns: 1fr;
    }
    
    .restaurant-filters {
        justify-content: center;
    }
    
    /* 共餐活動手機版調整 */
    .event-filters {
        justify-content: center;
    }
    
    /* 底部按鈕手機版調整 */
    .fixed-bottom-buttons {
        flex-wrap: wrap;
        max-width: 90%;
    }
    
    .fixed-bottom-buttons .btn-primary,
    .fixed-bottom-buttons .btn-secondary {
        flex: 1;
        min-width: 100px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-menu {
        gap: 10px;
    }
    
    .nav-link {
        padding: 10px 15px;
        font-size: 16px;
        min-width: 70px;
    }
    
    .search-container {
        padding: 15px;
    }
    
    .search-box {
        border-radius: 25px;
    }
    
    .search-box input,
    .search-box button {
        padding: 18px 20px; /* 進一步增大觸控區域 */
        font-size: 18px;
    }
    
    .carousel {
        height: 250px;
    }
    
    .carousel-caption {
        padding: 25px 15px 15px;
    }
    
    .carousel-caption h3 {
        font-size: 18px;
    }
    
    .carousel-caption p {
        font-size: 16px;
    }
    
    .carousel-btn {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .category-tabs {
        gap: 10px;
        margin: 20px 15px;
    }
    
    .tab-btn {
        padding: 15px 20px;
        font-size: 16px;
        min-width: 90px;
    }
    
    .announcements-container,
    .report-container {
        padding: 0 15px;
    }
    
    .announcement-card,
    .report-item {
        padding: 20px;
        margin-bottom: 15px;
    }
    
    .announcement-title,
    .report-title {
        font-size: 18px;
    }
    
    .announcement-content,
    .report-description {
        font-size: 16px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 18px 25px;
        font-size: 16px;
        min-width: 100px;
    }
    
    .report-form,
    .admin-form,
    .admin-container {
        padding: 20px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 18px 20px;
        font-size: 18px;
    }
    
    .form-group label {
        font-size: 16px;
    }
    
    .modal-content {
        padding: 20px;
        margin: 10px;
    }
    
    .close {
        top: 15px;
        right: 15px;
        font-size: 24px;
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    /* 進一步優化小螢幕的觸控體驗 */
    .nav-logo {
        font-size: 18px;
    }
    
    .nav-logo i {
        font-size: 20px;
    }
    
    .nav-menu {
        gap: 8px; /* 保持適當間距避免誤觸 */
    }
    
    .nav-link {
        padding: 12px 16px; /* 增大觸控區域 */
        font-size: 16px; /* 保持字體清晰 */
        min-width: 70px;
        min-height: 44px; /* 確保觸控目標足夠大 */
    }
    
    /* 改善小螢幕的按鈕佈局 */
    .btn-primary,
    .btn-secondary {
        padding: 16px 24px;
        font-size: 16px;
        min-width: 100px;
        min-height: 48px; /* 更大的觸控目標 */
    }
    
    /* 優化表單在小螢幕上的顯示 */
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 16px 20px;
        font-size: 16px;
        min-height: 48px;
    }
    
    .search-box input,
    .search-box button {
        padding: 15px 15px;
        font-size: 16px;
    }
    
    .carousel {
        height: 200px;
    }
    
    .carousel-caption h3 {
        font-size: 16px;
    }
    
    .carousel-caption p {
        font-size: 14px;
    }
    
    .category-tabs {
        gap: 8px;
        margin: 15px 10px;
    }
    
    .tab-btn {
        padding: 12px 16px;
        font-size: 14px;
        min-width: 80px;
    }
    
    .announcement-card,
    .report-item {
        padding: 15px;
    }
    
    .announcement-title,
    .report-title {
        font-size: 16px;
    }
    
    .announcement-content,
    .report-description {
        font-size: 14px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 15px 20px;
        font-size: 14px;
        min-width: 90px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-actions .btn-primary,
    .form-actions .btn-secondary {
        width: 100%;
    }
}