/* =========================================================
   推拿会员管理系统 —— 全局样式
   视觉语言：墨青（主）× 朱砂印（点缀）× 竹纸（底）× 宋体（标题）
   ========================================================= */

:root {
    /* —— 色板 —— */
    --ink:        #1B2A26;   /* 墨：侧栏与深色底 */
    --ink-soft:   #24382F;   /* 墨（浅）：侧栏悬浮 */
    --celadon:    #2E6B57;   /* 青瓷：主色，按钮/选中/链接 */
    --celadon-d:  #245546;   /* 青瓷（深）：按下 */
    --jade:       #EAF1EC;   /* 青雾：浅底/悬浮 */
    --paper:      #F4F6F2;   /* 竹纸：页面底色 */
    --card:       #FFFFFF;
    --cinnabar:   #B6402F;   /* 朱砂：危险/金额强调 */
    --mugwort:    #A9762B;   /* 艾草：提示/待处理 */
    --success:    #35785E;   /* 松：成功/收入 */

    --text-1:     #243029;
    --text-2:     #5C6B62;
    --text-3:     #94A09A;
    --border:     #DFE5DE;
    --border-2:   #C7D0C8;

    --radius:     10px;
    --radius-sm:  6px;
    --shadow-1:   0 1px 2px rgba(27, 42, 38, .05);
    --shadow-2:   0 8px 24px rgba(27, 42, 38, .12);

    /* —— 字体 —— */
    --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --font-body:  -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    --font-mono:  ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--text-1);
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

/* 金额、编号统一用等宽数字，账目更好对齐 */
.table, .amount, .balance, .price, .total-row, .qty-input,
.search-input, input[type="number"], .card, .empty-tip {
    font-variant-numeric: tabular-nums;
}

/* 键盘可达：统一可见焦点环 */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
    outline: 2px solid var(--celadon);
    outline-offset: 2px;
}

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #C3CCC4; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #A4B0A8; }

/* =========================================================
   左侧导航
   ========================================================= */
.sidebar {
    width: 212px;
    height: 100%;
    background: var(--ink);
    color: #E8EDE9;
    position: fixed;
    left: 0; top: 0;
    overflow-y: auto;
    z-index: 99;
    padding-bottom: 54px;
}
.sidebar .logo {
    padding: 18px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.logo-seal {
    width: 34px; height: 34px;
    flex-shrink: 0;
    background: var(--cinnabar);
    border-radius: 5px;
    color: #fff;
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: 0;
    display: flex; align-items: center; justify-content: center;
    writing-mode: vertical-rl;
    box-shadow: 0 2px 6px rgba(182, 64, 47, .3);
}
.logo-text {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #F2F5F2;
    line-height: 1.3;
}
.logo-sub {
    display: block;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: .08em;
    color: rgba(232, 237, 233, .45);
}

.menu-item { cursor: pointer; border-bottom: 1px solid rgba(255, 255, 255, .05); }
.menu-item > span {
    display: block;
    padding: 13px 18px;
    font-size: 14.5px;
    border-left: 3px solid transparent;
    transition: background .16s, color .16s, border-color .16s;
}
.menu-item:hover { background: rgba(255, 255, 255, .04); }
.menu-item:hover > span { border-left-color: var(--celadon); }
.submenu { display: none; background: rgba(0, 0, 0, .18); }
.submenu div {
    padding: 10px 18px 10px 38px;
    cursor: pointer;
    font-size: 13px;
    color: rgba(232, 237, 233, .62);
    border-left: 3px solid transparent;
    transition: background .16s, color .16s, padding .16s, border-color .16s;
}
.submenu div:hover {
    color: #fff;
    background: rgba(46, 107, 87, .28);
    border-left-color: var(--celadon);
    padding-left: 42px;
}
.submenu div.active {
    color: #fff;
    background: rgba(46, 107, 87, .38);
    border-left: 3px solid var(--celadon);
    font-weight: 500;
}

.footer-info {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 12px 16px;
    font-size: 12px;
    color: rgba(232, 237, 233, .5);
    border-top: 1px solid rgba(255, 255, 255, .07);
    background: rgba(0, 0, 0, .22);
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.footer-info a { color: #7FB79F; text-decoration: none; }
.footer-info a:hover { text-decoration: underline; }

/* =========================================================
   主内容区
   ========================================================= */
.main-content {
    margin-left: 212px;
    width: calc(100% - 212px);
    height: 100%;
    overflow: hidden;
    background: var(--paper);
}
.main-content iframe { width: 100%; height: 100%; border: none; background: var(--paper); }

/* =========================================================
   按钮
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 18px;
    border: 1px solid var(--celadon);
    border-radius: var(--radius-sm);
    background: var(--celadon);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    transition: background .16s, border-color .16s, box-shadow .16s, transform .16s;
}
.btn:hover { background: var(--celadon-d); border-color: var(--celadon-d); box-shadow: 0 3px 10px rgba(46, 107, 87, .22); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.btn-danger {
    background: var(--cinnabar);
    border-color: var(--cinnabar);
}
.btn-danger:hover { background: #9C3627; border-color: #9C3627; box-shadow: 0 3px 10px rgba(182, 64, 47, .24); }

.btn-default {
    background: var(--card);
    color: var(--text-2);
    border: 1px solid var(--border);
}
.btn-default:hover {
    color: var(--celadon);
    border-color: var(--celadon);
    background: var(--jade);
    box-shadow: none;
}

/* =========================================================
   表单
   ========================================================= */
.form-item { margin-bottom: 14px; display: flex; align-items: center; }
.form-item label {
    width: 84px;
    text-align: right;
    margin-right: 12px;
    color: var(--text-2);
    font-size: 13px;
    flex-shrink: 0;
}
.form-item input, .form-item select,
input[type="text"], input[type="password"], input[type="number"], select, textarea {
    height: 36px;
    padding: 0 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
    background: var(--card);
    color: var(--text-1);
    font-family: inherit;
    font-size: 14px;
    transition: border-color .16s, box-shadow .16s;
}
textarea { height: auto; padding: 8px 11px; }
.form-item input { flex: 1; }
.form-item input:focus, .form-item select:focus,
input[type="text"]:focus, input[type="password"]:focus,
input[type="number"]:focus, select:focus, textarea:focus {
    border-color: var(--celadon);
    box-shadow: 0 0 0 3px rgba(46, 107, 87, .14);
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
input[type="checkbox"] { accent-color: var(--celadon); }

/* =========================================================
   表格：账本式，细线 + 表头下双线
   ========================================================= */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-1);
}
.table th, .table td {
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid #EDF0EC;
    font-size: 13px;
    vertical-align: middle;
}
.table th {
    background: #F7F9F7;
    font-weight: 600;
    color: var(--text-2);
    white-space: nowrap;
    font-size: 12.5px;
    letter-spacing: .03em;
    border-bottom: 2px solid var(--celadon);
}
.table tbody tr { transition: background .14s; }
.table tbody tr:nth-child(even) { background: #FBFCFA; }
.table tbody tr:hover { background: var(--jade); }
.table tbody tr:last-child td { border-bottom: none; }
.table a { color: var(--celadon); text-decoration: none; }
.table a:hover { text-decoration: underline; }

/* =========================================================
   页面标题：朱砂印章 + 宋体
   ========================================================= */
.page-title {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--text-1);
    letter-spacing: .04em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.page-title::before {
    content: '';
    width: 10px; height: 10px;
    flex-shrink: 0;
    background: var(--cinnabar);
    border-radius: 2px;
    box-shadow: 0 0 0 3px rgba(182, 64, 47, .12);
}

.toolbar {
    margin-bottom: 16px;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.search-input {
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    width: 220px;
    outline: none;
    background: var(--card);
    transition: border-color .16s, box-shadow .16s;
}
.search-input:focus { border-color: var(--celadon); box-shadow: 0 0 0 3px rgba(46, 107, 87, .14); }

/* =========================================================
   标签页
   ========================================================= */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
    gap: 22px;
}
.tabs .tab-item {
    padding: 9px 2px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text-2);
    transition: color .16s, border-color .16s;
}
.tabs .tab-item:hover { color: var(--celadon); }
.tabs .tab-item.active {
    color: var(--celadon);
    border-bottom-color: var(--celadon);
    font-weight: 600;
}

/* =========================================================
   弹窗
   ========================================================= */
.modal-mask {
    position: fixed;
    left: 0; top: 0; width: 100%; height: 100%;
    background: rgba(27, 42, 38, .5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
    padding: 16px;
}
.modal {
    background: var(--card);
    border-radius: 12px;
    width: 500px;
    max-width: 100%;
    padding: 22px;
    box-shadow: var(--shadow-2);
    animation: modalIn .18s ease-out;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}
.modal-title {
    font-family: var(--font-serif);
    font-size: 17px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #EDF0EC;
    font-weight: 700;
    color: var(--text-1);
}

/* =========================================================
   卡片 / 空状态 / 标签
   ========================================================= */
.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 18px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
}
.empty-tip {
    text-align: center;
    color: var(--text-3);
    padding: 44px 20px;
    font-size: 13px;
}
.tag {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 18px;
}
.tag-service { background: var(--jade); color: var(--celadon); border: 1px solid rgba(46, 107, 87, .25); }
.tag-goods  { background: #FBF3E6; color: var(--mugwort); border: 1px solid rgba(169, 118, 43, .28); }
.tag-on     { background: var(--jade); color: var(--celadon); border: 1px solid rgba(46, 107, 87, .25); }
.tag-off    { background: #F2F3F1; color: var(--text-3); border: 1px solid var(--border); }
.tag-low    { background: #FBECEA; color: var(--cinnabar); border: 1px solid rgba(182, 64, 47, .28); }

/* =========================================================
   产品分类页
   ========================================================= */
.category-container { display: flex; gap: 18px; align-items: flex-start; }
.category-tree {
    flex: 1;
    background: var(--card);
    padding: 16px;
    border-radius: var(--radius);
    min-height: 260px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
}
.category-form {
    width: 320px;
    flex-shrink: 0;
    background: var(--card);
    padding: 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
}
.tree-item {
    padding: 9px 12px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--text-2);
    margin-bottom: 2px;
    transition: background .14s, color .14s;
}
.tree-item:hover { background: #F2F5F2; }
.tree-item.active {
    background: var(--celadon);
    color: #fff;
}
.tree-child {
    margin-left: 18px;
    border-left: 1px dashed var(--border-2);
    padding-left: 8px;
}
.tree-ops { float: right; font-size: 12px; color: var(--celadon); }
.tree-ops .danger { color: var(--cinnabar); }

/* =========================================================
   收银台
   ========================================================= */
.cashier-container { gap: 14px; }
.left-panel, .right-panel {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
    padding: 16px;
}
.product-tabs { border-bottom: 1px solid var(--border); }
.product-tabs div {
    padding: 9px 16px;
    font-size: 14px;
    color: var(--text-2);
    transition: color .16s, border-color .16s;
}
.product-tabs div:hover { color: var(--celadon); }
.product-tabs .active { color: var(--celadon); font-weight: 600; }
.product-item {
    border: 1px solid var(--border);
    padding: 13px 9px;
    transition: border-color .16s, background .16s, transform .16s;
    background: var(--card);
}
.product-item:hover { border-color: var(--celadon); background: var(--jade); }
.product-item:active { transform: translateY(1px); }
.product-item .name { font-size: 13.5px; }
.product-item .price { color: var(--cinnabar); font-family: var(--font-mono); }
.product-item.deduct { border-color: var(--celadon); background: var(--jade); }
.product-item .times-badge { background: var(--celadon); border-radius: 4px; }
.member-info-bar {
    background: var(--jade);
    border: 1px solid rgba(46, 107, 87, .2);
    padding: 11px 16px;
    margin-bottom: 14px;
}
.member-info-bar .balance { font-family: var(--font-mono); }
.total-box { border-top: 1px solid var(--border); }
.total-row .amount { font-family: var(--font-serif); color: var(--cinnabar); }
.total-row .real-pay { font-family: var(--font-serif); color: var(--success); }
.pay-tip {
    background: #FBFCFA;
    border: 1px dashed var(--border-2);
    color: var(--text-2);
}
.pay-tip b { color: var(--mugwort); }
.lock-mask { background: rgba(244, 246, 242, .92); backdrop-filter: blur(1px); }
.remark-row { border-top: 1px dashed var(--border); }

/* =========================================================
   库存页（左侧页内菜单 + 右侧内容）
   ========================================================= */
.stock-container { display: flex; gap: 18px; align-items: flex-start; }
.stock-menu {
    width: 150px;
    flex-shrink: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    overflow: hidden;
}
.stock-menu .menu-item {
    padding: 11px 15px;
    font-size: 14px;
    color: var(--text-2);
    border-bottom: 1px solid #F0F2EF;
    border-left: 3px solid transparent;
    transition: background .14s, color .14s, border-color .14s;
}
.stock-menu .menu-item:last-child { border-bottom: none; }
.stock-menu .menu-item:hover {
    background: #F2F5F2;
    color: var(--celadon);
    border-left-color: var(--celadon);
}
.stock-menu .menu-item.active {
    background: var(--jade);
    color: var(--celadon);
    border-left-color: var(--celadon);
    font-weight: 600;
}
.stock-content { flex: 1; min-width: 0; }

/* =========================================================
   表单分节（会员资料等长表单）
   ========================================================= */
.form-container { max-width: 760px; }
.form-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px 8px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-1);
}
.section-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 15px;
    color: var(--text-1);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid #EDF0EC;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-title::before {
    content: '';
    width: 7px; height: 7px;
    background: var(--celadon);
    border-radius: 2px;
}
.form-row { display: flex; gap: 14px; }
.form-row .form-item { flex: 1; }
.btn-bar { margin-top: 18px; display: flex; gap: 10px; }

/* 复选行（权限勾选、筛选项） */
.check-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-2);
    transition: border-color .14s, background .14s;
}
.check-item:hover { border-color: var(--celadon); background: var(--jade); }
.check-item input { accent-color: var(--celadon); }

/* =========================================================
   降低动效偏好
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* =========================================================
   窄屏（手机）
   ========================================================= */
@media (max-width: 768px) {
    .sidebar { width: 168px; padding-bottom: 52px; }
    .main-content { margin-left: 168px; width: calc(100% - 168px); }
    .category-container { flex-direction: column; }
    .category-form { width: 100%; }
    .form-item label { width: 72px; }
}