/**
 * components.css — 可复用组件样式
 * 茶文化主题
 *
 * 包含：按钮 / 卡片 / 表单 / 导航 / 弹窗与 Toast / 标签徽章 /
 *       加载与骨架屏 / 分页 / 面包屑 / 空状态
 *
 * 依赖 common.css 中的 CSS 变量。
 */

/* ========================================================================
   1. 按钮 .btn
   ======================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 40px;
    padding: 0.55rem 1.2rem;
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    line-height: 1.2;
    border-radius: var(--r-pill);
    border: 1px solid transparent;
    background: transparent;
    color: var(--color-tea-dark);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--t-base) var(--ease-out);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* 涟漪光效（hover 时从左到右扫过） */
.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left var(--t-slow) ease;
}

.btn:hover:not(:disabled)::before {
    left: 100%;
}

/* 主要按钮：金色渐变 */
.btn-primary {
    background: var(--grad-gold);
    color: #fff;
    border-color: var(--color-gold);
    font-weight: var(--fw-semibold);
    box-shadow: var(--sh-gold);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #b8934c, #d4a55e);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(212, 165, 94, 0.45);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* 次要按钮：茶绿轮廓 */
.btn-secondary {
    background: rgba(67, 101, 70, 0.08);
    color: var(--color-tea-dark);
    border-color: rgba(67, 101, 70, 0.4);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--grad-tea);
    color: var(--color-ivory);
    border-color: var(--color-tea-mid);
    transform: translateY(-2px);
    box-shadow: var(--sh-md);
}

/* 镂空按钮 */
.btn-outline {
    border-color: var(--color-gold);
    color: var(--color-gold-dark);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-gold);
    color: #fff;
}

/* 危险按钮 */
.btn-danger {
    background: linear-gradient(135deg, var(--color-danger), var(--color-danger-dark));
    color: #fff;
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(211, 47, 47, 0.4);
}

/* 文字按钮（无背景） */
.btn-ghost {
    padding: 0.4rem 0.8rem;
    color: var(--color-tea-mid);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-tea-soft);
    color: var(--color-tea-dark);
}

/* 禁用 */
.btn:disabled,
.btn-disabled {
    background: #ccc !important;
    color: #fff !important;
    border-color: #ccc !important;
    cursor: not-allowed !important;
    opacity: 0.7;
    box-shadow: none !important;
    transform: none !important;
}

.btn:disabled::before,
.btn-disabled::before {
    display: none !important;
}

/* 尺寸 */
.btn-sm {
    min-height: 32px;
    padding: 0.35rem 0.9rem;
    font-size: var(--fs-sm);
}

.btn-lg {
    min-height: 50px;
    padding: 0.85rem 1.8rem;
    font-size: var(--fs-lg);
    letter-spacing: 1px;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    padding: 0;
    width: 40px;
    min-height: 40px;
    border-radius: var(--r-circle);
}

/* 按钮组 */
.btn-group {
    display: inline-flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ========================================================================
   2. 卡片 .card
   ======================================================================== */
.card {
    background: var(--bg-card);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--sh-sm);
    border: var(--bd-gold);
    transition: all 0.4s var(--ease-out);
    position: relative;
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-lg);
    border-color: var(--color-gold);
}

.card-header {
    padding: var(--sp-4) var(--sp-5);
    border-bottom: var(--bd-line);
    background: var(--bg-soft);
}

.card-body {
    padding: var(--sp-5);
}

.card-footer {
    padding: var(--sp-4) var(--sp-5);
    border-top: var(--bd-line);
    background: var(--bg-soft);
}

/* 装饰角标（hover 显示，与现有 .product-card 一致） */
.card-corners {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.card-corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border: 2px solid var(--color-gold);
    opacity: 0;
    transition: opacity var(--t-base);
}

.card-corner.tl { top: -2px; left: -2px;   border-right: none; border-bottom: none; }
.card-corner.tr { top: -2px; right: -2px;  border-left: none;  border-bottom: none; }
.card-corner.bl { bottom: -2px; left: -2px; border-right: none; border-top: none; }
.card-corner.br { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.card:hover .card-corner { opacity: 1; }

/* 产品卡片：图片 + 信息 + 操作 */
.product-card {
    display: flex;
    flex-direction: column;
}

.product-card .product-image-container {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.product-card .product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.product-card:hover .product-image {
    transform: scale(1.08);
}

.product-card .image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(45, 62, 46, 0.4));
    opacity: 0;
    transition: opacity var(--t-base);
}

.product-card:hover .image-overlay { opacity: 1; }

.product-card .product-info {
    padding: 1.2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .product-name {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: var(--color-tea-dark);
    margin-bottom: var(--sp-2);
    line-height: 1.3;
    height: 2.6em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-card .product-price {
    font-size: var(--fs-xl);
    color: var(--color-gold-dark);
    font-weight: var(--fw-bold);
    margin-bottom: var(--sp-3);
}

.product-card .product-price .price-symbol {
    font-size: 0.7em;
    margin-right: 2px;
}

/* 订单/列表卡片 */
.order-card {
    background: var(--bg-card);
    border: var(--bd-gold);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
    margin-bottom: var(--sp-4);
    box-shadow: var(--sh-sm);
    transition: all var(--t-base) var(--ease-out);
}

.order-card:hover {
    box-shadow: var(--sh-md);
    border-color: var(--color-gold);
}

.order-card .order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--sp-3);
    border-bottom: 1px dashed var(--color-line);
    margin-bottom: var(--sp-3);
}

.order-card .order-no {
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
}

/* ========================================================================
   3. 表单 .form
   ======================================================================== */
.form-group {
    margin-bottom: var(--sp-5);
}

.form-label {
    display: inline-block;
    margin-bottom: var(--sp-2);
    font-size: var(--fs-sm);
    color: var(--color-tea-dark);
    font-weight: var(--fw-medium);
}

.form-label.required::after {
    content: "*";
    color: var(--color-danger);
    margin-left: 4px;
}

.form-control,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    min-height: 42px;
    padding: 0.6rem 0.95rem;
    font-size: var(--fs-base);
    color: var(--color-tea-dark);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--color-line);
    border-radius: var(--r-md);
    transition: all var(--t-base) ease;
    appearance: none;
    -webkit-appearance: none;
}

.form-control::placeholder,
.form-textarea::placeholder {
    color: #b8aa92;
}

.form-control:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-gold);
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px var(--color-gold-glow);
    background: #fff;
}

.form-control:disabled,
.form-select:disabled {
    background: var(--color-paper-2);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.6;
}

.form-select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3e%3cpath fill='none' stroke='%23436546' stroke-width='1.6' d='M1 1l5 5 5-5'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 12px;
    padding-right: 2.4rem;
    cursor: pointer;
}

/* 输入框前缀图标 */
.form-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input-group .form-icon {
    position: absolute;
    left: 0.95rem;
    color: var(--color-text-muted);
    pointer-events: none;
}

.form-input-group .form-control {
    padding-left: 2.5rem;
}

/* 复选框 / 单选 */
.form-check {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    font-size: var(--fs-base);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--color-line);
    background: #fff;
    cursor: pointer;
    transition: all var(--t-fast) ease;
    flex-shrink: 0;
    position: relative;
}

.form-check input[type="checkbox"] { border-radius: var(--r-xs); }
.form-check input[type="radio"]    { border-radius: 50%; }

.form-check input[type="checkbox"]:checked,
.form-check input[type="radio"]:checked {
    background: var(--color-gold);
    border-color: var(--color-gold);
}

.form-check input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 1px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-check input[type="radio"]:checked::after {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: #fff;
}

.form-error {
    display: block;
    margin-top: 0.4rem;
    font-size: var(--fs-xs);
    color: var(--color-danger);
}

.form-help {
    display: block;
    margin-top: 0.4rem;
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.12);
}

/* 数量步进器 */
.qty-stepper {
    display: inline-flex;
    align-items: stretch;
    border: 1px solid var(--color-line);
    border-radius: var(--r-md);
    overflow: hidden;
    background: #fff;
}

.qty-stepper button {
    width: 34px;
    background: var(--color-paper);
    color: var(--color-tea-dark);
    font-size: 1.1rem;
    font-weight: var(--fw-bold);
    transition: background var(--t-fast);
}

.qty-stepper button:hover { background: var(--color-gold-soft); }
.qty-stepper button:disabled { color: #ccc; cursor: not-allowed; }

.qty-stepper input {
    width: 50px;
    border: none;
    border-left: 1px solid var(--color-line);
    border-right: 1px solid var(--color-line);
    text-align: center;
    font-size: var(--fs-base);
    color: var(--color-tea-dark);
    background: #fff;
    outline: none;
    /* 隐藏原生数字步进 */
    -moz-appearance: textfield;
}

.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ========================================================================
   4. 导航 .nav
   ======================================================================== */
.top-nav {
    background: var(--grad-tea-95);
    padding: 0.8rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: var(--z-nav);
    border-bottom: 2px solid var(--color-gold);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(45, 62, 46, 0.15);
}

.top-nav-container {
    max-width: var(--w-xl);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-6);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: var(--fw-bold);
    color: var(--color-ivory);
    font-family: var(--font-display);
    letter-spacing: 2px;
}

.site-logo .logo-icon {
    color: var(--color-gold);
    font-size: 1.6rem;
}

/* 顶部菜单 */
.top-menu {
    display: flex;
    gap: 1.8rem;
    align-items: center;
}

.top-menu a {
    color: var(--color-ivory);
    font-size: var(--fs-base);
    padding: 0.45rem 0.8rem;
    border-radius: var(--r-xs);
    position: relative;
    transition: all var(--t-base);
}

.top-menu a:hover {
    background: var(--color-gold-glow);
    color: var(--color-gold-soft);
}

.top-menu a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: all var(--t-base);
    transform: translateX(-50%);
}

.top-menu a:hover::after { width: 80%; }

/* 用户区域按钮 */
.user-nav {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.user-nav-btn {
    color: var(--color-ivory);
    font-size: var(--fs-sm);
    padding: 0.4rem 1rem;
    border-radius: var(--r-pill);
    border: 1px solid rgba(212, 165, 94, 0.4);
    background: rgba(212, 165, 94, 0.15);
    transition: all var(--t-base);
}

.user-nav-btn:hover {
    background: rgba(212, 165, 94, 0.35);
    color: var(--color-gold-soft);
}

.user-nav-btn.btn-primary {
    background: var(--grad-gold);
    border-color: var(--color-gold);
    color: #fff;
    font-weight: var(--fw-semibold);
}

.user-nav-nickname {
    color: var(--color-gold-soft);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
}

/* 移动端汉堡菜单按钮 */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    color: var(--color-ivory);
    font-size: 1.4rem;
    border-radius: var(--r-md);
}

/* 侧边浮动导航（与 index.php 现有样式同源） */
.sidebar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sidebar-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--r-circle);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(45, 62, 46, 0.15);
    transition: all var(--t-base) var(--ease-out);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.sidebar-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--grad-tea);
    opacity: 0;
    transition: opacity var(--t-base);
    z-index: -1;
}

.sidebar-item:hover {
    transform: translateY(-5px) scale(1.08);
    box-shadow: 0 8px 25px rgba(45, 62, 46, 0.25);
    border-color: var(--color-gold);
}

.sidebar-item:hover::before { opacity: 1; }

.sidebar-icon {
    font-size: 1.4rem;
    color: var(--color-tea-dark);
    transition: all var(--t-base);
}

.sidebar-item:hover .sidebar-icon {
    color: var(--color-ivory);
    transform: scale(1.15);
}

.sidebar-tooltip {
    position: absolute;
    right: 70px;
    background: rgba(45, 62, 46, 0.95);
    color: var(--color-ivory);
    padding: 8px 14px;
    border-radius: var(--r-md);
    font-size: var(--fs-sm);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--t-base);
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--color-gold);
}

.sidebar-tooltip::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    border-left: 6px solid rgba(45, 62, 46, 0.95);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.sidebar-item:hover .sidebar-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* 返回顶部默认隐藏，添加 .active 后显示 */
.back-to-top {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    padding: var(--sp-3) 0;
    font-size: var(--fs-sm);
    color: var(--color-text-warm);
}

.breadcrumb a { color: var(--color-tea-mid); }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb-separator { color: var(--color-text-muted); }

/* ========================================================================
   5. 弹窗 / Toast
   ======================================================================== */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(45, 62, 46, 0.55);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--sp-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-base), visibility var(--t-base);
}

.modal-mask.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--r-xl);
    padding: var(--sp-8);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--sh-xl);
    border: var(--bd-gold);
    position: relative;
    transform: translateY(20px) scale(0.96);
    transition: transform var(--t-base) var(--ease-spring);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-mask.active .modal {
    transform: translateY(0) scale(1);
}

.modal::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-line);
    border-radius: var(--r-xl) var(--r-xl) 0 0;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--sp-4);
    border-bottom: var(--bd-line);
    margin-bottom: var(--sp-4);
}

.modal-title {
    font-size: var(--fs-xl);
    color: var(--color-tea-dark);
    font-weight: var(--fw-semibold);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    transition: all var(--t-base);
}

.modal-close:hover {
    background: var(--color-tea-soft);
    color: var(--color-tea-dark);
}

.modal-body { color: var(--color-text-warm); line-height: 1.7; }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--sp-3);
    padding-top: var(--sp-5);
    margin-top: var(--sp-5);
    border-top: var(--bd-line);
}

/* Toast 容器（由 common.js 动态创建/使用） */
.toast-container {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    width: max-content;
    max-width: 90vw;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.75rem 1.2rem;
    background: rgba(45, 62, 46, 0.95);
    color: var(--color-ivory);
    border-radius: var(--r-pill);
    box-shadow: var(--sh-lg);
    font-size: var(--fs-base);
    border-left: 3px solid var(--color-gold);
    backdrop-filter: blur(10px);
    animation: toastIn 0.3s var(--ease-spring) both;
    max-width: 100%;
}

.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-error   { border-left-color: var(--color-danger); }
.toast.toast-warning { border-left-color: var(--color-warning); }
.toast.toast-info    { border-left-color: var(--color-info); }

.toast.toast-out {
    animation: toastOut 0.25s ease both;
}

.toast-icon { font-size: 1.1rem; flex-shrink: 0; }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-12px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    to { opacity: 0; transform: translateY(-12px) scale(0.96); }
}

/* ========================================================================
   6. 标签 / 徽章
   ======================================================================== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: var(--color-tea-soft);
    color: var(--color-tea-dark);
    font-size: var(--fs-xs);
    border-radius: var(--r-xs);
    border: 1px solid rgba(67, 101, 70, 0.2);
    font-weight: var(--fw-medium);
    line-height: 1.5;
}

.tag-gold {
    background: rgba(212, 165, 94, 0.15);
    color: var(--color-gold-dark);
    border-color: rgba(212, 165, 94, 0.4);
}

.tag-danger {
    background: rgba(211, 47, 47, 0.1);
    color: var(--color-danger);
    border-color: rgba(211, 47, 47, 0.3);
}

.tag-success {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-success);
    border-color: rgba(46, 125, 50, 0.3);
}

/* 徽章（带数字的圆形点） */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-danger);
    color: #fff;
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    border-radius: var(--r-pill);
    line-height: 1;
}

.badge-gold { background: var(--color-gold); color: #fff; }
.badge-tea  { background: var(--color-tea-mid); color: #fff; }

/* 角标定位（购物车数量等） */
.has-badge {
    position: relative;
    display: inline-block;
}

.has-badge .badge {
    position: absolute;
    top: -4px;
    right: -8px;
    border: 2px solid #fff;
    transition: transform 0.3s var(--ease-spring);
}

.has-badge .badge.bump {
    animation: badgeBump 0.5s var(--ease-spring);
}

@keyframes badgeBump {
    0%   { transform: scale(1); }
    35%  { transform: scale(1.45); }
    70%  { transform: scale(0.9); }
    100% { transform: scale(1); }
}

/* 售罄遮罩 */
.soldout-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, var(--color-danger), var(--color-danger-dark));
    color: #fff;
    padding: 4px 12px;
    border-radius: var(--r-pill);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    z-index: 2;
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
}

/* ========================================================================
   7. 加载 / 骨架屏
   ======================================================================== */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gold-glow);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.spinner-lg {
    width: 36px;
    height: 36px;
    border-width: 3px;
}

.loading-mask {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: inherit;
    backdrop-filter: blur(2px);
}

/* 骨架屏 */
.skeleton {
    display: block;
    background: linear-gradient(90deg,
        rgba(232, 224, 213, 0.6) 0%,
        rgba(232, 224, 213, 0.9) 50%,
        rgba(232, 224, 213, 0.6) 100%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
    border-radius: var(--r-sm);
}

.skeleton-text   { height: 14px; margin: 6px 0; }
.skeleton-title  { height: 22px; width: 60%; }
.skeleton-avatar { width: 48px; height: 48px; border-radius: 50%; }
.skeleton-image  { width: 100%; height: 180px; border-radius: var(--r-md); }

@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========================================================================
   8. 分页
   ======================================================================== */
.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: var(--sp-6) 0;
}

.pagination a,
.pagination span {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--color-line);
    border-radius: var(--r-sm);
    color: var(--color-tea-dark);
    font-size: var(--fs-sm);
    transition: all var(--t-base);
}

.pagination a:hover {
    background: var(--color-gold-glow);
    border-color: var(--color-gold);
    color: var(--color-gold-dark);
}

.pagination .current {
    background: var(--grad-gold);
    border-color: var(--color-gold);
    color: #fff;
    font-weight: var(--fw-semibold);
}

.pagination .disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ========================================================================
   9. 空状态
   ======================================================================== */
.empty-state {
    text-align: center;
    padding: var(--sp-12) var(--sp-6);
    color: var(--color-text-warm);
}

.empty-state .empty-icon {
    font-size: 3.5rem;
    color: var(--color-line);
    margin-bottom: var(--sp-4);
    display: inline-block;
}

.empty-state .empty-title {
    font-size: var(--fs-xl);
    color: var(--color-tea-dark);
    margin-bottom: var(--sp-2);
}

.empty-state .empty-tip {
    color: var(--color-text-muted);
    margin-bottom: var(--sp-5);
}

/* ========================================================================
   10. 提示框（inline alert）
   ======================================================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    font-size: var(--fs-sm);
    margin-bottom: var(--sp-4);
}

.alert-info {
    background: rgba(74, 144, 164, 0.08);
    border-color: rgba(74, 144, 164, 0.3);
    color: var(--color-info);
}

.alert-warning {
    background: rgba(232, 163, 61, 0.1);
    border-color: rgba(232, 163, 61, 0.35);
    color: #b8761e;
}

.alert-danger {
    background: rgba(211, 47, 47, 0.08);
    border-color: rgba(211, 47, 47, 0.3);
    color: var(--color-danger);
}

.alert-success {
    background: rgba(46, 125, 50, 0.08);
    border-color: rgba(46, 125, 50, 0.3);
    color: var(--color-success);
}