:root {
  --bg: #f1f5f9;
  --bg-soft: #e8edf5;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --border: #d8e0ea;
  --border-light: #e6ecf4;
  --text: #1e293b;
  --text-dim: #475569;
  --text-faint: #64748b;
  --accent: #2563eb;
  --accent-2: #0891b2;
  --accent-3: #7c3aed;
  --green: #059669;
  --amber: #d97706;
  --red: #dc2626;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 4px 18px rgba(15, 23, 42, .08);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: none; color: var(--accent); opacity: .8; }

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

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 10px 20px;
}
.brand-logo {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  display: grid; place-items: center;
  font-weight: 800; font-size: 20px; color: #fff;
  box-shadow: 0 6px 18px rgba(59, 130, 246, .4);
}
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: .5px; }
.brand-sub { font-size: 11px; color: var(--text-faint); letter-spacing: 1.5px; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-weight: 500;
  transition: all .15s ease;
  border: 1px solid transparent;
}
.nav-item:hover { color: var(--text); background: rgba(37, 99, 235, .08); }
.nav-item.active {
  color: var(--accent);
  background: linear-gradient(90deg, rgba(37, 99, 235, .12), rgba(124, 58, 237, .08));
  border-color: rgba(37, 99, 235, .35);
  box-shadow: inset 0 0 0 1px rgba(37,99,235,.15);
  font-weight: 600;
}
.nav-item .ico { width: 20px; text-align: center; opacity: .9; }

.sidebar-footer { border-top: 1px solid var(--border); padding-top: 14px; }

.main { flex: 1; padding: 26px 32px 60px; max-width: 1600px; }

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 22px; gap: 16px; flex-wrap: wrap;
}
.page-title { font-size: 24px; font-weight: 700; letter-spacing: .3px; }
.page-sub { color: var(--text-dim); margin-top: 5px; font-size: 13px; }

/* ---------- Cards ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card-title {
  font-size: 13px; font-weight: 600; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1.2px;
  margin-bottom: 16px;
  display: flex; align-items: center; justify-content: space-between;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  background: var(--panel);
  transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease;
}
.stat-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--sc1, var(--accent)) 45%, transparent);
  box-shadow: 0 6px 24px -8px color-mix(in srgb, var(--sc1, var(--accent)) 30%, transparent);
}
.stat-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--sc1, var(--accent)), var(--sc2, var(--accent-2)));
}
.stat-card::after {
  content: "";
  position: absolute; inset: -40% -20% auto -20%; height: 60%;
  background: radial-gradient(ellipse at top, color-mix(in srgb, var(--sc1, var(--accent)) 18%, transparent), transparent 70%);
  pointer-events: none;
}
.stat-num {
  font-size: 30px; font-weight: 800; margin-top: 10px; letter-spacing: .5px;
  background: linear-gradient(135deg, var(--sc1, var(--accent)), var(--sc2, var(--accent-2)));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--text-dim); font-size: 12.5px; }
.stat-ico {
  position: absolute; right: 14px; top: 14px;
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; font-size: 18px;
  background: rgba(37,99,235,.08);
}

.map-card { padding: 12px; }
#world-map { width: 100%; height: 540px; border-radius: 8px; }

.dash-grid { display: grid; grid-template-columns: 1fr 340px; gap: 20px; }

/* 模态框 */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(30, 41, 59, .5); backdrop-filter: blur(3px);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  width: 520px; max-width: 100%; max-height: 90vh; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 24px 60px -12px rgba(15,23,42,.3);
}
.modal-title { font-size: 17px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; }
.modal-close { cursor: pointer; color: var(--text-dim); font-size: 18px; line-height: 1; }
.modal-close:hover { color: #f87171; }

/* 按钮选择组（替代下拉，少点一下） */
.pick-group { display: flex; gap: 6px; flex-wrap: wrap; }
/* 采购产品类目 chip：可选中、可删除 */
.pick-btn.cat-chip { position: relative; padding-right: 20px; }
.pick-btn .cat-del {
  position: absolute; top: -5px; right: -3px;
  width: 15px; height: 15px; border-radius: 50%;
  background: #e2e8f0; color: #64748b; font-size: 9px;
  display: none; align-items: center; justify-content: center;
  cursor: pointer; text-decoration: none; line-height: 1;
}
.pick-btn.cat-chip:hover .cat-del { display: flex; }
.pick-btn .cat-del:hover { background: #fee2e2; color: #dc2626; }
.pick-btn.cat-add { border-style: dashed; border-color: #94a3b8; color: #64748b; font-weight: 600; }
.pick-btn.cat-add:hover { border-color: var(--accent); color: var(--accent); background: #eff6ff; }
.pick-btn {
  padding: 5px 14px; border-radius: 14px; cursor: pointer; font-size: 12.5px;
  border: 1px solid #cbd5e1; color: #475569; background: transparent;
  transition: all .15s; user-select: none;
}
.pick-btn:hover { border-color: var(--accent); color: var(--accent); }
.pick-btn.active { background: rgba(37,99,235,.1); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.pick-btn.danger.active { background: rgba(220,38,38,.1); border-color: var(--red); color: var(--red); }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left; padding: 11px 12px;
  color: var(--text-faint); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.tbl td {
  padding: 12px;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: middle;
}
.tbl tr:last-child td { border-bottom: none; }
.tbl tbody tr { transition: background .12s; }
.tbl tbody tr:hover { background: rgba(37,99,235,.05); }
.tbl .strong { font-weight: 600; color: #0f172a; }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  font-size: 12px; font-weight: 600;
  padding: 3px 10px; line-height: 1.4;
  white-space: nowrap;
  flex-shrink: 0; align-self: center;
  height: auto; max-height: 28px;
}
.badge-A { background: #ecfdf5; color: #047857; border: 1px solid rgba(5,150,105,.35); }
.badge-B { background: #eff6ff; color: #1d4ed8; border: 1px solid rgba(37,99,235,.35); }
.badge-C { background: #fffbeb; color: #b45309; border: 1px solid rgba(217,119,6,.35); }
.badge-D { background: #f5f3ff; color: #6d28d9; border: 1px solid rgba(124,58,237,.35); }
.badge-gray { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--panel-2); color: var(--text);
  font-size: 13.5px; font-weight: 500; cursor: pointer;
  transition: all .15s ease;
  font-family: var(--font);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  border: none; color: #fff;
  box-shadow: 0 6px 20px rgba(37,99,235,.25);
}
.btn-primary:hover { filter: brightness(1.12); color: #fff; }
.btn-danger { border-color: rgba(220,38,38,.4); color: #dc2626; }
.btn-danger:hover { background: rgba(220,38,38,.08); border-color: var(--red); color: var(--red); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; border-radius: 7px; }

/* ---------- Forms ---------- */
.input, .select, .textarea {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 9px 13px;
  font-size: 13.5px;
  font-family: var(--font);
  outline: none;
  transition: border .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.18);
}
.select { cursor: pointer; }
.select option { background: #fff; color: #1e293b; }
.textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
label.fld { display: block; margin-bottom: 6px; color: var(--text-dim); font-size: 12.5px; font-weight: 500; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 20px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 12px; margin-top: 22px; }

/* ---------- Filters ---------- */
.filters {
  display: flex; gap: 12px; align-items: flex-end;
  flex-wrap: wrap; margin-bottom: 18px;
}
.filters .fld-group { display: flex; flex-direction: column; gap: 6px; }
.filters .input, .filters .select { width: 190px; }

/* ---------- Misc ---------- */
.pagination { display: flex; gap: 6px; align-items: center; margin-top: 18px; }
.pagination a, .pagination span {
  padding: 6px 12px; border-radius: 7px;
  border: 1px solid var(--border); color: var(--text-dim);
  font-size: 13px;
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .cur { background: var(--accent); color: #fff; border-color: var(--accent); }

.muted { color: var(--text-faint); }
.dim { color: var(--text-dim); }
.empty {
  text-align: center; padding: 60px 20px;
  color: var(--text-faint); font-size: 14px;
}
.mt-20 { margin-top: 20px; }

/* recent list */
.recent-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 2px; border-bottom: 1px solid #e2e8f0;
  gap: 10px;
}
.recent-item:last-child { border-bottom: none; }
.recent-item .name { font-weight: 600; }
.recent-item .meta { font-size: 12px; color: var(--text-faint); }

/* grade legend on dashboard */
.legend-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 2px;
}
.legend-row .cnt { font-weight: 700; font-size: 16px; }

/* toast */
#toast {
  position: fixed; top: 22px; right: 22px; z-index: 999;
  display: flex; flex-direction: column; gap: 10px;
}
.toast-item {
  padding: 12px 18px; border-radius: 10px;
  background: var(--panel-2); border: 1px solid var(--border-light);
  box-shadow: var(--shadow); color: var(--text);
  font-size: 13.5px; animation: slideIn .25s ease;
  max-width: 380px;
}
.toast-item.ok { border-color: rgba(16,185,129,.5); }
.toast-item.err { border-color: rgba(220,38,38,.5); color: #b91c1c; }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }

/* login */
.login-body {
  min-height: 100vh; display: grid; place-items: center;
  background:
    radial-gradient(1000px 600px at 20% 10%, rgba(37,99,235,.08), transparent 60%),
    radial-gradient(800px 500px at 85% 85%, rgba(124,58,237,.06), transparent 60%),
    var(--bg);
}
.login-card {
  width: 400px; padding: 42px 38px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(15,23,42,.15);
}
.login-card h1 { font-size: 22px; margin-bottom: 6px; color: var(--text); }
.login-card .sub { color: var(--text-dim); margin-bottom: 26px; }
.login-card .btn { width: 100%; justify-content: center; padding: 12px; font-size: 14.5px; margin-top: 8px; }
.login-err {
  background: #fef2f2; border: 1px solid rgba(220,38,38,.4);
  color: #b91c1c; padding: 10px 14px; border-radius: 9px;
  margin-bottom: 16px; font-size: 13px;
}

/* mail page */
.mail-grid { display: grid; grid-template-columns: 320px 1fr; gap: 20px; align-items: start; }
.customer-pick {
  max-height: 62vh; overflow-y: auto;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 6px;
}
.customer-pick label {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 7px; cursor: pointer;
  font-size: 13px;
}
.customer-pick label:hover { background: rgba(59,130,246,.07); }
.customer-pick input[type=checkbox] { accent-color: var(--accent); width: 15px; height: 15px; }
.customer-pick .cname { font-weight: 600; }
.customer-pick .cemail { color: var(--text-faint); font-size: 12px; margin-left: auto; }
.pick-tools { display: flex; justify-content: space-between; margin-bottom: 10px; }
.pick-tools a { font-size: 12.5px; cursor: pointer; }

.ql-toolbar { background: #f1f5f9; border: 1px solid #d8e0ea; border-radius: 9px 9px 0 0; }
.ql-container { background: #fff; border: 1px solid #d8e0ea; border-radius: 0 0 9px 9px; font-size: 14px; min-height: 300px; color: var(--text); }
.ql-container.ql-snow { border-top: 1px solid #d8e0ea; }
.ql-editor { min-height: 300px; }
.ql-snow .ql-stroke { stroke: #475569; }
.ql-snow .ql-fill { fill: #475569; }
.ql-snow .ql-picker { color: #475569; }
.ql-editor.ql-blank::before { color: #94a3b8 !important; font-style: normal !important; left: 14px !important; }

/* settings */
.setting-block { margin-bottom: 26px; }
.acc-row { display: flex; gap: 10px; margin-bottom: 10px; align-items: center; }
.acc-row .input { width: auto; }
.acc-row .input.email { width: 250px; }
.acc-row .input.pwd { width: 200px; }
.acc-row .input.srv { flex: 1; }

/* check row */
.checkrow { display: flex; gap: 14px; align-items: center; }
.checkrow label { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; }

@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
  .mail-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .sidebar { width: 64px; padding: 14px 8px; }
  .brand-name, .brand-sub, .nav-item span.txt { display: none; }
  .nav-item { justify-content: center; }
  .sidebar-footer { display: none; }
  .main { padding: 20px; }
}

/* 邮件正文容器：浅色底 + 深色文字，让第三方邮件可读 */
.email-body-prose {
  background: #ffffff;
  color: #1a1a1a;
  border: 1px solid rgba(0, 0, 0, .08);
  border-radius: 10px;
  padding: 18px 22px;
  font-size: 14px;
  line-height: 1.75;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
}
.email-body-prose * { color: inherit; background: transparent; max-width: 100%; }
.email-body-prose img { max-width: 100%; height: auto; }
.email-body-prose a { color: #1d6fd8; text-decoration: underline; }
.email-body-prose table { border-collapse: collapse; }
.email-body-prose blockquote {
  margin: .8em 0; padding: 6px 14px;
  border-left: 3px solid #c8c8c8; color: #555; background: #f7f7f7;
}
.email-body-prose pre,
.email-body-prose code {
  background: #f3f3f3; color: #222; border-radius: 4px;
  padding: 1px 4px; font-family: Consolas, monospace;
}