/* ==========================================================
   PLZTECH 产品资料库 - 后台样式
   风格：现代 SaaS 后台（侧边栏 + 顶栏 + 卡片式），主色蓝 / 青
   ========================================================== */

:root {
    --primary: #1677ff;
    --primary-dark: #0958d9;
    --primary-light: #e6f0ff;
    --cyan: #06b6d4;
    --sidebar-bg: #101a2e;
    --sidebar-bg2: #0a1222;
    --sidebar-active: linear-gradient(90deg, rgba(22,119,255,.28), rgba(6,182,212,.12));
    --bg: #f2f5fa;
    --card: #ffffff;
    --text: #1f2733;
    --text-2: #4a5568;
    --muted: #8a94a6;
    --border: #e6eaf2;
    --danger: #e54545;
    --danger-bg: #fff1f0;
    --success: #17b26a;
    --success-bg: #e9f9f1;
    --warn: #f5a623;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 2px 10px rgba(16, 26, 46, .06);
    --shadow-lg: 0 10px 30px rgba(16, 26, 46, .12);
    --sidebar-w: 236px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", Roboto, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------------- 布局 ---------------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w);
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg2) 100%);
    color: #c9d4e6;
    display: flex;
    flex-direction: column;
    z-index: 60;
    transition: transform .25s ease;
}
.sidebar-logo {
    height: 62px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.sidebar-logo img { height: 26px; width: auto; border-radius: 4px; }
.sidebar-logo span {
    font-size: 15px; font-weight: 600; color: #fff; letter-spacing: .3px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-menu { flex: 1; padding: 12px 10px; overflow-y: auto; }
.menu-group-title {
    font-size: 11px; color: #6b7a94; padding: 14px 12px 6px; letter-spacing: 1px;
}
.menu-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; margin-bottom: 3px;
    border-radius: var(--radius-sm);
    color: #c2cddd; font-size: 14px;
    transition: background .18s, color .18s;
}
.menu-item svg { width: 17px; height: 17px; flex: none; opacity: .85; }
.menu-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.menu-item.active {
    background: var(--sidebar-active);
    color: #fff; font-weight: 600;
    box-shadow: inset 3px 0 0 var(--primary);
}
.menu-item.sub { padding-left: 38px; font-size: 13.5px; }
.menu-item.sub.active { box-shadow: inset 3px 0 0 var(--cyan); }
.sidebar-foot { padding: 12px 14px; border-top: 1px solid rgba(255,255,255,.06); }
.sidebar-foot .user { font-size: 13px; color: #9fb0c9; margin-bottom: 8px; }
.sidebar-foot a { color: #ff9a9a; font-size: 13px; display: inline-flex; gap: 6px; align-items: center; }
.sidebar-foot a:hover { color: #ffd0d0; }

.main { flex: 1; min-width: 0; margin-left: var(--sidebar-w); display: flex; flex-direction: column; }

.topbar {
    position: sticky; top: 0; z-index: 50;
    height: 62px;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 14px;
    padding: 0 22px;
}
.topbar .hamburger { display: none; }
.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-crumb { font-size: 12.5px; color: var(--muted); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* 顶部全局汇率 */
.rate-box {
    display: flex; align-items: center; gap: 8px;
    background: var(--primary-light);
    border: 1px solid #cfe0ff;
    border-radius: 999px;
    padding: 5px 8px 5px 14px;
}
.rate-box label { font-size: 12.5px; color: var(--primary-dark); font-weight: 600; white-space: nowrap; }
.rate-box input {
    width: 74px; border: 1px solid #cfe0ff; border-radius: 999px;
    padding: 5px 10px; text-align: center; font-size: 13px; font-weight: 600;
    color: var(--primary-dark); background: #fff; outline: none;
}
.rate-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,119,255,.15); }
.rate-box .rate-save {
    background: var(--primary); color: #fff; border: none; border-radius: 999px;
    padding: 5px 12px; font-size: 12.5px; cursor: pointer; font-weight: 600;
}
.rate-box .rate-save:hover { background: var(--primary-dark); }
.commission-tag {
    font-size: 12.5px; color: var(--text-2); background: #f1f3f8;
    border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; white-space: nowrap;
}
.commission-tag b { color: var(--primary-dark); }

.content { padding: 22px; flex: 1; }

/* ---------------- 卡片 & 通用块 ---------------- */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid #eef1f7;
    overflow: hidden;
}
.card + .card { margin-top: 18px; }
.card-head {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.card-head h3 { margin: 0; font-size: 15px; font-weight: 600; }
.card-head .head-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.card-body { padding: 18px 20px; }

.page-head {
    display: flex; align-items: flex-end; gap: 12px; margin-bottom: 18px; flex-wrap: wrap;
}
.page-head h2 { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: .2px; }
.page-head .desc { color: var(--muted); font-size: 13px; }
.page-head .actions { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    height: 34px; padding: 0 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: #fff; color: var(--text-2);
    font-size: 13.5px; cursor: pointer; white-space: nowrap;
    transition: all .16s;
}
.btn:hover { color: var(--primary); border-color: #bcd6ff; background: #f7faff; }
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-danger { color: var(--danger); border-color: #ffccc7; background: #fff; }
.btn-danger:hover { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: #f2f5fa; }

/* ---------------- 表单 ---------------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
.form-grid.col-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--text-2); font-weight: 600; }
.field label .req { color: var(--danger); margin-left: 2px; }
.field .hint { font-size: 12px; color: var(--muted); }
input[type=text], input[type=number], input[type=password], input[type=file], select, textarea {
    width: 100%; padding: 8px 11px;
    border: 1px solid #dfe4ee; border-radius: var(--radius-sm);
    font-size: 14px; color: var(--text); background: #fff;
    outline: none; transition: border-color .15s, box-shadow .15s;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,119,255,.12);
}
textarea { min-height: 88px; resize: vertical; line-height: 1.7; }
.input-group { display: flex; gap: 8px; }
.input-group input, .input-group select { flex: 1; }
.input-group .btn { flex: none; }
.form-actions {
    margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
    display: flex; gap: 10px;
}

/* ---------------- 筛选栏 ---------------- */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.filter-bar .field { min-width: 170px; }
.filter-bar .field.grow { flex: 1; min-width: 220px; }
.filter-bar .btns { display: flex; gap: 8px; }

/* ---------------- 表格 / 产品列表 ---------------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.table th, table.table td {
    padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle;
}
table.table th { background: #fafbfe; font-weight: 600; color: var(--text-2); white-space: nowrap; }
table.table tbody tr:hover { background: #fafbff; }
table.table td.num, table.table th.num { text-align: right; }
.empty { padding: 46px 0; text-align: center; color: var(--muted); font-size: 14px; }

/* 产品折叠卡片 */
.prod-list { display: flex; flex-direction: column; gap: 12px; }
.prod-card {
    background: var(--card); border: 1px solid #eef1f7; border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden; transition: box-shadow .2s, border-color .2s;
}
.prod-card:hover { box-shadow: var(--shadow-lg); border-color: #dfe8f7; }
.prod-card.open { border-color: #bcd6ff; }
.prod-row {
    display: grid;
    grid-template-columns: 56px 64px minmax(160px, 1.4fr) minmax(120px, 1fr) 120px 150px;
    align-items: center; gap: 12px;
    padding: 12px 18px; cursor: pointer;
}
.prod-row:hover { background: #fafbff; }
.prod-row .idx {
    font-size: 13px; color: var(--muted); font-weight: 600;
}
.prod-row .idx b {
    display: inline-block; min-width: 26px; height: 26px; line-height: 26px; text-align: center;
    background: #f1f4fa; border-radius: 8px; color: var(--text-2); font-size: 12.5px;
}
.prod-thumb {
    width: 56px; height: 56px; border-radius: 10px; overflow: hidden;
    background: #f2f5fa; border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
}
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.prod-thumb .no-img { font-size: 11px; color: #b6bfd0; }
.prod-model { font-weight: 700; font-size: 14.5px; color: var(--text); word-break: break-all; }
.prod-model .tags { display: flex; gap: 6px; margin-top: 4px; flex-wrap: wrap; }
.tag {
    font-size: 11.5px; padding: 1px 8px; border-radius: 999px;
    background: var(--primary-light); color: var(--primary-dark); font-weight: 600;
}
.tag.cyan { background: #e0f7fb; color: #0a7c8f; }
.tag.gray { background: #f1f3f8; color: #6b7688; }
.prod-spec { font-size: 13px; color: var(--text-2); }
.prod-price { font-weight: 700; color: var(--primary-dark); font-size: 15px; }
.prod-price small { color: var(--muted); font-weight: 500; font-size: 11.5px; display: block; }
.prod-actions { display: flex; gap: 6px; justify-content: flex-end; }
.expand-btn {
    border: none; background: #f1f4fa; color: var(--text-2);
    width: 30px; height: 30px; border-radius: 8px; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: transform .2s, background .2s;
}
.expand-btn svg { width: 14px; height: 14px; }
.prod-card.open .expand-btn { transform: rotate(180deg); background: var(--primary-light); color: var(--primary-dark); }

/* 折叠详情区：用 grid-template-rows 实现平滑展开动画 */
.prod-detail {
    display: grid; grid-template-rows: 0fr;
    transition: grid-template-rows .28s ease;
}
.prod-card.open .prod-detail { grid-template-rows: 1fr; }
.prod-detail > .inner { overflow: hidden; }
.detail-body { padding: 4px 18px 18px; border-top: 1px dashed var(--border); }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; margin-top: 14px; }
.detail-item { background: #fafbfe; border: 1px solid #eef1f7; border-radius: 10px; padding: 10px 12px; }
.detail-item .k { font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.detail-item .v { font-size: 13.5px; color: var(--text); white-space: pre-wrap; word-break: break-word; }
.detail-section-title {
    margin: 18px 0 10px; font-size: 13.5px; font-weight: 700; color: var(--text-2);
    display: flex; align-items: center; gap: 8px;
}
.detail-section-title::before {
    content: ''; width: 3px; height: 14px; border-radius: 2px;
    background: linear-gradient(180deg, var(--primary), var(--cyan));
}

/* 实拍图 */
.img-gallery { display: flex; gap: 10px; flex-wrap: wrap; }
.img-gallery .gitem { position: relative; width: 92px; }
.img-gallery img {
    width: 92px; height: 92px; object-fit: cover; border-radius: 10px;
    border: 1px solid var(--border); cursor: zoom-in; transition: transform .2s;
}
.img-gallery img:hover { transform: scale(1.04); }

/* 供应商表 */
.sup-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.sup-table th, .sup-table td { padding: 9px 12px; border-bottom: 1px solid var(--border); }
.sup-table th { background: #fafbfe; color: var(--text-2); font-weight: 600; }
.sup-table input { padding: 6px 9px; font-size: 13px; }
.margin-val { font-weight: 800; color: var(--danger); font-size: 14.5px; }
.margin-val.negative { color: #c0392b; background: var(--danger-bg); padding: 2px 8px; border-radius: 6px; }
.margin-val.positive { color: var(--danger); }
.sup-best { background: var(--success-bg); }

/* ---------------- 提示 & 状态 ---------------- */
.alert { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13.5px; margin-bottom: 14px; }
.alert-error { background: var(--danger-bg); color: #a8071a; border: 1px solid #ffccc7; }
.alert-success { background: var(--success-bg); color: #0a6b40; border: 1px solid #b7ebcd; }

#toast-wrap { position: fixed; top: 74px; right: 22px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
    min-width: 220px; max-width: 340px;
    background: #fff; border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-lg); border-radius: 10px;
    padding: 11px 16px; font-size: 13.5px; color: var(--text);
    animation: toast-in .25s ease;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }

/* 图片预览弹窗 */
.lightbox {
    position: fixed; inset: 0; background: rgba(10,16,28,.82);
    display: flex; align-items: center; justify-content: center; z-index: 10000;
    animation: fade-in .18s ease;
}
.lightbox img {
    max-width: 90vw; max-height: 88vh; border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0,0,0,.5); background: #fff;
}
.lightbox .close {
    position: absolute; top: 22px; right: 26px; color: #fff;
    font-size: 34px; cursor: pointer; line-height: 1; opacity: .85;
}
.lightbox .close:hover { opacity: 1; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* 分页 */
.pager { display: flex; align-items: center; gap: 6px; padding: 16px 20px; flex-wrap: wrap; }
.pager-info { color: var(--muted); font-size: 13px; margin-right: 8px; }
.pager-btn {
    min-width: 32px; height: 32px; padding: 0 10px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border); border-radius: 8px; background: #fff;
    font-size: 13px; color: var(--text-2);
}
.pager-btn:hover { border-color: var(--primary); color: var(--primary); }
.pager-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.pager-btn.disabled { opacity: .45; pointer-events: none; }
.pager-dots { color: var(--muted); padding: 0 4px; }

/* 统计小卡 */
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card {
    background: linear-gradient(135deg, #ffffff 0%, #f7faff 100%);
    border: 1px solid #eaf0fb; border-radius: var(--radius);
    padding: 14px 16px; box-shadow: var(--shadow);
}
.stat-card .label { font-size: 12.5px; color: var(--muted); }
.stat-card .value { font-size: 22px; font-weight: 700; color: var(--text); margin-top: 2px; }
.stat-card .value.blue { color: var(--primary); }
.stat-card .value.cyan { color: #0a9db3; }
.stat-card .value.red { color: var(--danger); }

/* ---------------- 登录页 ---------------- */
.login-wrap {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: radial-gradient(1200px 600px at 15% 10%, #1d3b7a 0%, transparent 60%),
                linear-gradient(135deg, #0d1a33 0%, #123a63 45%, #0e7490 100%);
    padding: 24px;
}
.login-card {
    width: 100%; max-width: 400px; background: #fff;
    border-radius: 18px; box-shadow: 0 24px 60px rgba(0,0,0,.28);
    padding: 34px 32px 28px;
}
.login-card .brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.login-card .brand img { height: 30px; }
.login-card .brand span { font-size: 16px; font-weight: 700; color: var(--text); }
.login-card h2 { margin: 0 0 4px; font-size: 20px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.login-card .field { margin-bottom: 15px; }
.login-card .btn-primary { width: 100%; height: 40px; font-size: 15px; margin-top: 6px; }
.login-foot { margin-top: 18px; text-align: center; font-size: 12px; color: #a3adbf; }

/* ---------------- 安装向导 ---------------- */
.install-wrap { max-width: 820px; margin: 0 auto; padding: 40px 20px 60px; }
.install-head { text-align: center; margin-bottom: 26px; }
.install-head img { height: 34px; margin: 0 auto 10px; }
.install-head h1 { font-size: 22px; margin: 0 0 4px; }
.install-head p { color: var(--muted); margin: 0; font-size: 13.5px; }
.steps { display: flex; justify-content: center; margin-bottom: 26px; flex-wrap: wrap; }
.steps .step {
    display: flex; align-items: center; gap: 8px; padding: 0 14px; color: var(--muted); font-size: 13px;
}
.steps .step .dot {
    width: 26px; height: 26px; border-radius: 50%; background: #e6eaf2; color: #8a94a6;
    display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}
.steps .step.done .dot { background: var(--success); color: #fff; }
.steps .step.current .dot { background: var(--primary); color: #fff; }
.steps .step.current { color: var(--primary); font-weight: 600; }
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
    display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--border);
    font-size: 13.5px;
}
.check-list li:last-child { border-bottom: none; }
.check-list .ok { color: var(--success); font-weight: 700; }
.check-list .bad { color: var(--danger); font-weight: 700; }
.check-list .name { min-width: 150px; color: var(--text-2); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1180px) {
    .prod-row { grid-template-columns: 46px 56px minmax(130px, 1.3fr) minmax(90px, 1fr) 100px 140px; }
    .prod-row .prod-actions { justify-content: flex-end; }
    .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 992px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.4); }
    .main { margin-left: 0; }
    .topbar .hamburger {
        display: inline-flex; align-items: center; justify-content: center;
        width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--border); background: #fff; cursor: pointer;
    }
    .topbar .hamburger svg { width: 18px; height: 18px; }
    .form-grid, .form-grid.col-3, .detail-grid { grid-template-columns: 1fr; }
    .content { padding: 16px; }
}
@media (max-width: 768px) {
    .prod-row {
        grid-template-columns: 40px 1fr auto;
        gap: 10px; padding: 12px 14px;
    }
    .prod-row .prod-thumb { width: 48px; height: 48px; }
    .prod-row .prod-spec, .prod-row .prod-price { grid-column: 2; font-size: 13px; }
    .prod-row .prod-actions { grid-column: 3; grid-row: 1 / span 3; }
    .stat-row { grid-template-columns: 1fr; }
    .topbar { padding: 0 14px; gap: 8px; }
    .topbar-title { font-size: 15px; }
    .rate-box { padding-left: 10px; }
    .rate-box input { width: 62px; }
    .commission-tag { display: none; }
    .table-wrap { font-size: 13px; }
}