/**
 * 正美佛堂內部福利社購物系統 - 專屬樣式表
 * 設計定位：莊嚴沉穩、溫暖和諧、友善中高齡道親（大字體、高對比、大點擊區）
 */

:root {
    --zm-primary: #8e5828;
    --zm-primary-dark: #6e4019;
    --zm-primary-light: #f7ede2;
    --zm-gold: #c59b27;
    --zm-gold-light: #fcf6e8;
    --zm-tea-green: #3f684c;
    --zm-body-bg: #f9f7f2;
    --zm-card-bg: #ffffff;
    --zm-text-dark: #2a2521;
    --zm-text-muted: #6e6761;
    --zm-border-color: #e8e2d8;
    --zm-radius: 12px;
}

body {
    background-color: var(--zm-body-bg);
    color: var(--zm-text-dark);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* 標題與字體美化 */
h1, h2, h3, h4, h5, h6 {
    color: var(--zm-text-dark);
    font-weight: 600;
}

/* 導覽列 */
.zm-navbar {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(70, 50, 30, 0.06);
    border-bottom: 2px solid var(--zm-primary-light);
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
}

.zm-brand-title {
    font-family: "Noto Serif TC", "Songti TC", serif;
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--zm-primary);
    letter-spacing: 0.5px;
}

.zm-brand-sub {
    font-size: 0.75rem;
    color: var(--zm-text-muted);
    display: block;
    letter-spacing: 1px;
}

.nav-link {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--zm-text-dark) !important;
    padding: 0.6rem 1rem !important;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--zm-primary) !important;
    background-color: var(--zm-primary-light);
}

/* 按鈕美化 - 針對中高齡道親強化點擊面積與字體大小 */
.btn {
    font-weight: 600;
    border-radius: 8px;
    padding: 0.55rem 1.25rem;
    font-size: 1.05rem;
    transition: all 0.2s ease-in-out;
}

.btn-zm-primary {
    background-color: var(--zm-primary);
    border-color: var(--zm-primary);
    color: #ffffff;
}
.btn-zm-primary:hover, .btn-zm-primary:focus {
    background-color: var(--zm-primary-dark);
    border-color: var(--zm-primary-dark);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(142, 88, 40, 0.25);
}

.btn-zm-gold {
    background-color: var(--zm-gold);
    border-color: var(--zm-gold);
    color: #ffffff;
}
.btn-zm-gold:hover {
    background-color: #b0871d;
    border-color: #b0871d;
    color: #ffffff;
}

/* 卡片與元件 */
.zm-card {
    background-color: var(--zm-card-bg);
    border: 1px solid var(--zm-border-color);
    border-radius: var(--zm-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s, box-shadow 0.2s;
}

.zm-card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(110, 70, 30, 0.1);
    border-color: #d6cbbe;
}

/* 商品圖片容器 */
.product-img-wrapper {
    position: relative;
    padding-top: 80%; /* 4:3 比例 */
    overflow: hidden;
    background: #fdfcf9;
    border-top-left-radius: var(--zm-radius);
    border-top-right-radius: var(--zm-radius);
}

.product-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
    transition: transform 0.3s ease;
}

.zm-card-hover:hover .product-img-wrapper img {
    transform: scale(1.04);
}

.product-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: #b8431e;
}

/* 首頁橫幅 */
.zm-hero {
    background: linear-gradient(135deg, #f7efe4 0%, #faebd7 100%);
    border-radius: var(--zm-radius);
    padding: 2.5rem 2rem;
    border: 1px solid #ebd9c8;
    margin-bottom: 2rem;
}

/* 公告框 */
.announcement-box {
    background: #fffdfa;
    border-left: 5px solid var(--zm-gold);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border-top: 1px solid #f3ece1;
    border-right: 1px solid #f3ece1;
    border-bottom: 1px solid #f3ece1;
}

/* 商品詳情圖集 */
.detail-main-img {
    width: 100%;
    height: 380px;
    object-fit: contain;
    background: #ffffff;
    border-radius: var(--zm-radius);
    border: 1px solid var(--zm-border-color);
    padding: 15px;
    cursor: zoom-in;
}

.detail-thumb {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.2s;
    background: #fff;
    padding: 2px;
}

.detail-thumb.active, .detail-thumb:hover {
    border-color: var(--zm-primary);
}

/* 購物車數量輸入區 */
.quantity-control {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--zm-border-color);
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}

.quantity-control button {
    background: #f4ede4;
    border: none;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--zm-text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.quantity-control button:hover {
    background: #e7dac9;
}

.quantity-control input {
    width: 60px;
    height: 44px;
    border: none;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    background: transparent;
}

/* 手機底部固定購物車按鈕 */
@media (max-width: 768px) {
    .floating-cart-btn {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 1050;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        border-radius: 50px;
        padding: 12px 22px;
    }
}

/* 後台專用側邊欄與版面 */
.admin-sidebar {
    background: #2d2621;
    color: #f1ede8;
    min-height: calc(100vh - 60px);
}

.admin-sidebar .nav-link {
    color: #d1c8c0 !important;
    border-radius: 6px;
    margin-bottom: 4px;
    font-size: 1rem;
}

.admin-sidebar .nav-link:hover, .admin-sidebar .nav-link.active {
    color: #ffffff !important;
    background-color: #453b34;
}

.admin-content {
    background: #f9f7f2;
    min-height: calc(100vh - 60px);
    padding: 2rem;
}

.stat-widget {
    background: #ffffff;
    border-radius: var(--zm-radius);
    padding: 1.5rem;
    border-left: 5px solid var(--zm-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

/* 狀態徽章樣式 */
.badge {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 表單控制元件優化 */
.form-control, .form-select {
    font-size: 1.05rem;
    padding: 0.55rem 0.85rem;
    border-color: #d8cfc4;
    border-radius: 8px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--zm-primary);
    box-shadow: 0 0 0 0.25rem rgba(142, 88, 40, 0.15);
}

/* 頁尾 */
.zm-footer {
    background: #2e2621;
    color: #c9c1b9;
    padding: 2.5rem 0 1.5rem 0;
    margin-top: 4rem;
    border-top: 3px solid var(--zm-gold);
}

.zm-footer a {
    color: #e5ded7;
    text-decoration: none;
}

.zm-footer a:hover {
    color: var(--zm-gold);
}