/* =====================================================
   陶瓷网站后台管理样式
   ===================================================== */

:root {
    --bg-color: #f5f3ee;
    --card-bg: #ffffff;
    --text-dark: #2c2c2c;
    --text-light: #7a7a7a;
    --border-color: #e8e3db;
    --green-btn: #4a5d4e;
    --green-hover: #3b4b3e;
    --red-btn: #dc3545;
    --red-hover: #c82333;
    --blue-btn: #4a7ec9;
    --blue-hover: #3b6bb0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Nunito', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    font-size: 14px;
    line-height: 1.6;
}

/* =====================================================
   后台布局：侧边栏 + 主内容
   ===================================================== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 220px;
    background: #ffffff;
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-sidebar .brand {
    padding: 0 24px 20px;
    font-family: 'Caveat', cursive;
    font-size: 1.6rem;
    color: var(--green-btn);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.admin-sidebar .menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.admin-sidebar .menu li a {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.admin-sidebar .menu li a:hover {
    background: #f9f7f2;
    border-left-color: var(--green-btn);
}

.admin-sidebar .menu li a.active {
    background: #f0ede6;
    border-left-color: var(--green-btn);
    color: var(--green-btn);
    font-weight: 600;
}

.admin-sidebar .menu li a .icon {
    margin-right: 10px;
    font-size: 16px;
}

.admin-main {
    flex: 1;
    margin-left: 220px;
    padding: 30px 40px;
}

/* =====================================================
   顶部标题栏
   ===================================================== */
.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.admin-topbar h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-dark);
}

.admin-topbar .user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
    color: var(--text-light);
}

.admin-topbar .user-info .logout {
    color: var(--red-btn);
    text-decoration: none;
}

.admin-topbar .user-info .logout:hover {
    text-decoration: underline;
}

/* =====================================================
   卡片
   ===================================================== */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.stat-card .label {
    color: var(--text-light);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--green-btn);
}

/* =====================================================
   按钮
   ===================================================== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: inherit;
    line-height: 1.4;
}

.btn-primary {
    background: var(--green-btn);
    color: #fff;
}

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

.btn-edit {
    background: var(--blue-btn);
    color: #fff;
}

.btn-edit:hover {
    background: var(--blue-hover);
}

.btn-delete {
    background: var(--red-btn);
    color: #fff;
}

.btn-delete:hover {
    background: var(--red-hover);
}

.btn-secondary {
    background: #f0ede6;
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: #e5e0d6;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* =====================================================
   表格
   ===================================================== */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
}

.admin-table thead {
    background: #faf8f4;
}

.admin-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    vertical-align: middle;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr:hover {
    background: #fbfaf7;
}

.admin-table img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* =====================================================
   表单
   ===================================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    transition: all 0.2s;
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--green-btn);
    box-shadow: 0 0 0 3px rgba(74, 93, 78, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input[type="file"] {
    padding: 8px;
    background: #faf8f4;
    border: 1px dashed var(--border-color);
    cursor: pointer;
}

.form-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
}

/* =====================================================
   登录页
   ===================================================== */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f3ee 0%, #e8e3db 100%);
}

.login-box {
    background: #fff;
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-box .logo {
    font-family: 'Caveat', cursive;
    font-size: 2.5rem;
    color: var(--green-btn);
    margin-bottom: 10px;
}

.login-box h2 {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
    margin: 0 0 30px;
}

.login-box input {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s;
}

.login-box input:focus {
    outline: none;
    border-color: var(--green-btn);
    box-shadow: 0 0 0 3px rgba(74, 93, 78, 0.1);
}

.login-box button {
    width: 100%;
    padding: 12px;
    background: var(--green-btn);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s;
    font-family: inherit;
}

.login-box button:hover {
    background: var(--green-hover);
}

.login-box .error {
    color: var(--red-btn);
    background: #fdf0f0;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 13px;
}

/* =====================================================
   徽章 / 标签
   ===================================================== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-new {
    background: #e8f3e9;
    color: #2d6a3a;
}

.badge-sale {
    background: #fce8e4;
    color: #b64a35;
}

.badge-category {
    background: #f0ede6;
    color: var(--text-light);
}

/* =====================================================
   响应式
   ===================================================== */
@media (max-width: 768px) {
    .admin-sidebar {
        width: 60px;
    }
    .admin-sidebar .brand,
    .admin-sidebar .menu li a span:not(.icon) {
        display: none;
    }
    .admin-sidebar .menu li a {
        justify-content: center;
        padding: 15px 0;
    }
    .admin-main {
        margin-left: 60px;
        padding: 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}
/* 侧边栏 badge */
.admin-sidebar .menu li a .badge,
.admin-sidebar .menu li a span[style*="background"] {
    margin-left: auto;
}

/* 侧边栏菜单项支持右对齐 badge */
.admin-sidebar .menu li a {
    display: flex;
    align-items: center;
}

/* 表单提示 */
.admin-main .alert-success {
    background: #e8f3e9;
    color: #2d6a3a;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c8e0ca;
}

/* 留言详情卡片 */
.admin-main .message-detail {
    background: #faf8f4;
    padding: 20px;
    border-radius: 10px;
    line-height: 1.8;
}