/*
 * ============================================
 * 動物森友會購買記錄網站 - 主要樣式表
 * ============================================
 * 
 * 設計風格：動物森友會 (Animal Crossing)
 * - 柔和的粉彩色調
 * - 圓角邊框
 * - 可愛的陰影效果
 * - 清新自然的配色
 * 
 * ============================================
 */

/* ============================================
   CSS 變數定義
   ============================================ */
:root {
    /* 主要色彩 - 動物森友會風格 */
    --primary-green: #7FBC8C;
    --primary-green-dark: #5A9A68;
    --primary-green-light: #A8D5B0;

    --secondary-blue: #8CC5DB;
    --secondary-blue-dark: #5EAAC8;
    --secondary-blue-light: #B5DBE9;

    --accent-yellow: #F9E784;
    --accent-yellow-dark: #E8D15D;
    --accent-orange: #FFB366;
    --accent-pink: #FFB5C5;

    /* 背景色 */
    --bg-cream: #FFF8E7;
    --bg-mint: #E8F5E9;
    --bg-sky: #E3F2FD;
    --bg-card: #FFFFFF;

    /* 文字色 */
    --text-primary: #4A5568;
    --text-secondary: #718096;
    --text-light: #A0AEC0;
    --text-dark: #2D3748;

    /* 邊框和陰影 */
    --border-color: #E2E8F0;
    --shadow-soft: 0 4px 12px rgba(127, 188, 140, 0.15);
    --shadow-hover: 0 8px 24px rgba(127, 188, 140, 0.25);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);

    /* 圓角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* 字體 */
    --font-primary: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
    --font-cute: 'Comic Neue', 'Noto Sans TC', cursive;

    /* 間距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* ============================================
   全域設定
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-mint) 50%, var(--bg-sky) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* ============================================
   容器
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-sm {
    max-width: 480px;
}

.container-md {
    max-width: 768px;
}

/* ============================================
   標題樣式
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-cute);
    color: var(--text-dark);
    font-weight: 700;
}

.page-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-green-dark);
    text-shadow: 2px 2px 0 var(--accent-yellow);
}

.page-title .icon {
    display: inline-block;
    margin-right: var(--spacing-sm);
}

/* ============================================
   卡片元件
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 3px solid var(--primary-green-light);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px dashed var(--primary-green-light);
}

.card-title {
    font-size: 1.25rem;
    color: var(--primary-green-dark);
}

/* ============================================
   按鈕樣式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-cute);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

/* 主要按鈕 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: white;
    box-shadow: 0 4px 0 var(--primary-green-dark), var(--shadow-soft);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
    box-shadow: 0 6px 0 var(--primary-green-dark), var(--shadow-hover);
}

.btn-primary:active {
    box-shadow: 0 2px 0 var(--primary-green-dark);
}

/* 次要按鈕 */
.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--secondary-blue-dark) 100%);
    color: white;
    box-shadow: 0 4px 0 var(--secondary-blue-dark), var(--shadow-soft);
}

.btn-secondary:hover {
    box-shadow: 0 6px 0 var(--secondary-blue-dark), var(--shadow-hover);
}

/* 警告按鈕 */
.btn-warning {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #FF9933 100%);
    color: white;
    box-shadow: 0 4px 0 #E68A00;
}

/* 危險按鈕 */
.btn-danger {
    background: linear-gradient(135deg, #FF6B6B 0%, #EE5A5A 100%);
    color: white;
    box-shadow: 0 4px 0 #CC4949;
}

/* 輪廓按鈕 */
.btn-outline {
    background: transparent;
    border: 3px solid var(--primary-green);
    color: var(--primary-green-dark);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary-green);
    color: white;
}

/* 小按鈕 */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

/* 大按鈕 */
.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* 全寬按鈕 */
.btn-block {
    width: 100%;
}

/* ============================================
   表單樣式
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9375rem;
}

.form-label .icon {
    margin-right: var(--spacing-xs);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    border: 3px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 4px rgba(127, 188, 140, 0.2);
}

.form-control::placeholder {
    color: var(--text-light);
}

/* 文字區域 */
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* 日期選擇器 */
input[type="date"].form-control,
input[type="datetime-local"].form-control {
    cursor: pointer;
}

/* 檔案上傳 */
.file-upload {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    border: 3px dashed var(--primary-green-light);
    border-radius: var(--radius-lg);
    background: var(--bg-mint);
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-upload:hover {
    border-color: var(--primary-green);
    background: rgba(127, 188, 140, 0.1);
}

.file-upload input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload .upload-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.file-upload .upload-text {
    color: var(--text-secondary);
    text-align: center;
}

/* ============================================
   表格樣式
   ============================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 3px solid var(--primary-green-light);
    background: var(--bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
}

th {
    background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--bg-mint) 100%);
    font-weight: 700;
    color: var(--primary-green-dark);
    white-space: nowrap;
}

tr:hover {
    background: rgba(127, 188, 140, 0.05);
}

tr:last-child td {
    border-bottom: none;
}

/* ============================================
   分頁樣式
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 3px solid var(--primary-green-light);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--primary-green-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-btn:hover:not(.active):not(:disabled) {
    background: var(--primary-green-light);
    color: white;
}

.page-btn.active {
    background: var(--primary-green);
    border-color: var(--primary-green);
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    color: var(--text-secondary);
    margin: 0 var(--spacing-md);
}

/* ============================================
   統計區塊
   ============================================ */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-blue) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    color: white;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-cute);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

/* ============================================
   搜尋欄
   ============================================ */
.search-bar {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 3px solid var(--primary-green-light);
    box-shadow: var(--shadow-card);
}

.search-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-end;
}

.search-row .form-group {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
}

.search-row .btn {
    height: 54px;
    padding: var(--spacing-md) var(--spacing-lg);
}

/* ============================================
   購買記錄列表 - 方格式顯示
   ============================================ */
.record-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.record-item {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 0;
    border: 3px solid var(--primary-green-light);
    transition: all 0.3s ease;
    overflow: hidden;
}

.record-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-hover);
}

.record-image {
    width: 100%;
    height: 180px;
    border-radius: 0;
    object-fit: contain;
    border: none;
    border-bottom: 3px solid var(--accent-yellow);
    background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-mint) 100%);
}

.record-image.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-mint) 0%, var(--primary-green-light) 100%);
    font-size: 4rem;
}

.record-info {
    padding: var(--spacing-md);
    flex: 1;
}

.record-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal;
}

.record-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.record-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.record-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-top: 2px dashed var(--primary-green-light);
    background: var(--bg-mint);
}

.record-amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-orange);
    white-space: nowrap;
}

.record-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   導航列
   ============================================ */
.navbar {
    background: var(--bg-card);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-cute);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-green-dark);
    text-decoration: none;
}

.navbar-brand .icon {
    font-size: 1.5rem;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-md);
}

.navbar-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.navbar-link:hover {
    color: var(--primary-green);
}

/* ============================================
   登入頁面
   ============================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 4px solid var(--primary-green);
    box-shadow: var(--shadow-hover);
    text-align: center;
}

.login-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.login-title {
    font-size: 1.5rem;
    color: var(--primary-green-dark);
    margin-bottom: var(--spacing-sm);
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   自訂對話框
   ============================================ */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.dialog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.dialog-box {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 90%;
    border: 4px solid var(--primary-green);
    box-shadow: var(--shadow-hover);
    text-align: center;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.dialog-overlay.active .dialog-box {
    transform: scale(1);
}

.dialog-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.dialog-icon.success {
    color: var(--primary-green);
}

.dialog-icon.warning {
    color: var(--accent-orange);
}

.dialog-icon.error {
    color: #FF6B6B;
}

.dialog-icon.info {
    color: var(--secondary-blue);
}

.dialog-title {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.dialog-message {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.dialog-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ============================================
   載入動畫
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--primary-green-light);
    border-top-color: var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-family: var(--font-cute);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   圖片燈箱 (Lightbox)
   ============================================ */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    cursor: zoom-out;
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-image {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: var(--primary-green);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.lightbox-close:hover {
    background: var(--primary-green-dark);
    transform: scale(1.1);
}

/* 可點擊的圖片 */
.clickable-image {
    cursor: zoom-in;
    transition: transform 0.2s ease;
}

.clickable-image:hover {
    transform: scale(1.02);
}

/* ============================================
   空狀態
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   工具類別
   ============================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.hidden {
    display: none !important;
}

/* ============================================
   響應式設計 - 手機版
   ============================================ */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .page-title {
        font-size: 1.5rem;
    }

    /* 導航列 */
    .navbar-menu {
        display: none;
    }

    .navbar-menu.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-card);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-card);
    }

    /* 搜尋欄 */
    .search-row {
        flex-direction: column;
    }

    .search-row .form-group {
        width: 100%;
    }

    .search-row .btn {
        width: 100%;
    }

    /* 購買記錄列表 */
    .record-item {
        flex-wrap: wrap;
    }

    .record-info {
        order: 2;
        width: 100%;
    }

    .record-image {
        order: 1;
    }

    .record-amount {
        order: 3;
        width: auto;
    }

    .record-actions {
        order: 4;
    }

    /* 表格 */
    .table-container {
        font-size: 0.875rem;
    }

    th,
    td {
        padding: var(--spacing-sm);
    }

    /* 統計 */
    .stats-container {
        grid-template-columns: 1fr 1fr;
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-value {
        font-size: 1.5rem;
    }

    /* 對話框 */
    .dialog-box {
        width: 95%;
        padding: var(--spacing-lg);
    }

    .dialog-buttons {
        flex-direction: column;
    }

    .dialog-buttons .btn {
        width: 100%;
    }
}

/* ============================================
   平板適配
   ============================================ */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 960px;
    }

    .stats-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   動畫效果
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease;
}

.animate-slide-in {
    animation: slideIn 0.3s ease;
}

.animate-bounce {
    animation: bounce 0.5s ease infinite;
}

/* ============================================
   圖片預覽
   ============================================ */
.image-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.image-preview {
    position: relative;
    width: 100px;
    height: 100px;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 3px solid var(--primary-green-light);
}

.image-preview .remove-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #FF6B6B;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

/* ============================================
   頁面主體內容
   ============================================ */
.main-content {
    padding: var(--spacing-lg) 0;
    min-height: calc(100vh - 80px);
}

/* ============================================
   浮動操作按鈕 (FAB)
   ============================================ */
.fab {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: white;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(127, 188, 140, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 50;
    border: none;
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(127, 188, 140, 0.6);
}

@media (max-width: 768px) {
    .fab {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 56px;
        height: 56px;
    }
}