/* ==========================================================================
   XPay 设计系统
   —— 深色侧边栏 + 亮色内容区,卡片化、无 iframe、无多标签。
   全部手写,不依赖 Bootstrap / layui。
   ========================================================================== */

:root {
  /* 品牌色 */
  --brand:        #4f46e5;
  --brand-600:    #4338ca;
  --brand-50:     #eef2ff;
  --brand-grad:   linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

  /* 语义色 */
  --ok:           #10b981;
  --ok-bg:        #ecfdf5;
  --warn:         #f59e0b;
  --warn-bg:      #fffbeb;
  --danger:       #ef4444;
  --danger-bg:    #fef2f2;
  --info:         #0ea5e9;
  --info-bg:      #f0f9ff;

  /* 中性色 */
  --bg:           #f4f6fb;
  --panel:        #ffffff;
  --line:         #e6e9f0;
  --line-soft:    #f0f2f7;
  --text:         #1f2430;
  --text-2:       #5b6478;
  --text-3:       #98a1b3;

  /* 侧边栏 */
  --side-bg:      #171c2c;
  --side-bg-2:    #1f2537;
  --side-text:    #a8b0c4;
  --side-active:  #ffffff;

  --radius:       12px;
  --radius-sm:    8px;
  --shadow:       0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.06);
  --shadow-lg:    0 12px 40px rgba(16,24,40,.16);
  --side-w:       232px;
  --header-h:     60px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-600); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #cbd2e0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #aeb7c9; }
::-webkit-scrollbar-track { background: transparent; }

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

.sidebar {
  width: var(--side-w);
  flex: 0 0 var(--side-w);
  background: var(--side-bg);
  color: var(--side-text);
  display: flex; flex-direction: column;
  position: fixed; top: 0; bottom: 0; left: 0;
  z-index: 40;
  transition: transform .25s ease;
}
.sidebar .brand {
  height: var(--header-h);
  display: flex; align-items: center; gap: 10px;
  padding: 0 18px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  flex: 0 0 auto;
}
.sidebar .brand .mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--brand-grad);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 15px;
  box-shadow: 0 4px 12px rgba(99,102,241,.4);
}
.sidebar .brand .name { color: #fff; font-weight: 700; font-size: 16px; letter-spacing: .3px; }
.sidebar .brand .tag {
  font-size: 10px; color: #7d879e; margin-left: auto;
  border: 1px solid rgba(255,255,255,.12); padding: 1px 6px; border-radius: 20px;
}

.nav { flex: 1; overflow-y: auto; padding: 12px 10px 24px; }
.nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); }
.nav .group {
  font-size: 11px; color: #6b7489; letter-spacing: 1px;
  padding: 16px 12px 6px; text-transform: uppercase; font-weight: 600;
}
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 2px 0;
  border-radius: var(--radius-sm);
  color: var(--side-text); font-size: 13.5px;
  transition: background .15s, color .15s;
}
.nav a:hover { background: rgba(255,255,255,.06); color: #e6e9f2; }
.nav a.active { background: var(--brand-grad); color: var(--side-active); font-weight: 600; box-shadow: 0 4px 14px rgba(99,102,241,.35); }
.nav a .ico { width: 18px; text-align: center; font-size: 15px; opacity: .9; }
.nav a .badge-dot {
  margin-left: auto; min-width: 18px; height: 18px; padding: 0 5px;
  background: var(--danger); color: #fff; border-radius: 9px;
  font-size: 11px; line-height: 18px; text-align: center; font-weight: 600;
}

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

.header {
  height: var(--header-h);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px;
  padding: 0 20px;
  position: sticky; top: 0; z-index: 30;
}
.header .title { font-size: 16px; font-weight: 650; }
.header .spacer { flex: 1; }
.header .who { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--text-2); }
.header .avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
}
.header .menu-btn { display: none; background: none; border: 0; font-size: 20px; cursor: pointer; color: var(--text-2); }

.content { padding: 20px; flex: 1; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head h2 { margin: 0; font-size: 19px; font-weight: 680; }
.page-head .sub { color: var(--text-3); font-size: 13px; }
.page-head .spacer { flex: 1; }

/* ============================ 卡片 ============================ */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}
.card > .card-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  display: flex; align-items: center; gap: 10px;
  font-weight: 640; font-size: 14.5px;
}
.card > .card-head .spacer { flex: 1; }
.card > .card-body { padding: 18px; }
.card > .card-body.tight { padding: 0; }

/* ============================ 统计卡 ============================ */
.stat-grid {
  display: grid; gap: 14px; margin-bottom: 16px;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.stat::after {
  content: ''; position: absolute; right: -18px; top: -18px;
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--brand-50); opacity: .7;
}
.stat .label { color: var(--text-3); font-size: 12.5px; position: relative; z-index: 1; }
.stat .value { font-size: 25px; font-weight: 700; margin-top: 6px; letter-spacing: -.5px; position: relative; z-index: 1; }
.stat .value.sm { font-size: 20px; }
.stat .foot { margin-top: 6px; font-size: 12px; color: var(--text-3); position: relative; z-index: 1; }
.stat.ok::after     { background: var(--ok-bg); }
.stat.warn::after   { background: var(--warn-bg); }
.stat.danger::after { background: var(--danger-bg); }
.stat.ok     .value { color: var(--ok); }
.stat.warn   .value { color: var(--warn); }
.stat.danger .value { color: var(--danger); }

/* ============================ 表单 ============================ */
.filters {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
  padding: 14px 18px; border-bottom: 1px solid var(--line-soft);
}
.field { display: flex; flex-direction: column; gap: 5px; }
.field > label { font-size: 12.5px; color: var(--text-2); font-weight: 500; }
.field.grow { flex: 1; min-width: 160px; }

input[type=text], input[type=password], input[type=number], input[type=date],
input[type=datetime-local], input[type=email], select, textarea {
  height: 36px; padding: 0 11px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; color: var(--text); font-size: 13.5px;
  outline: none; transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
  min-width: 0;
}
textarea { height: auto; padding: 9px 11px; resize: vertical; line-height: 1.6; }
input:focus, select:focus, textarea:focus {
  border-color: var(--brand); box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
input:disabled, select:disabled, textarea:disabled { background: #f7f8fb; color: var(--text-3); cursor: not-allowed; }
input::placeholder, textarea::placeholder { color: #b5bccb; }
select { appearance: none; padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2398a1b3' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}

.form-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
.hint { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.hint.warn { color: var(--warn); }
.hint.danger { color: var(--danger); }

/* ============================ 按钮 ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 15px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; color: var(--text);
  font-size: 13.5px; font-weight: 500; font-family: inherit;
  cursor: pointer; white-space: nowrap;
  transition: all .15s;
}
.btn:hover { border-color: #cfd5e2; background: #fbfcfe; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-600); border-color: var(--brand-600); }
.btn.ok      { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.ok:hover{ filter: brightness(.94); }
.btn.danger  { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:hover { filter: brightness(.94); }
.btn.ghost   { background: transparent; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--line-soft); }
.btn.sm { height: 28px; padding: 0 10px; font-size: 12.5px; border-radius: 6px; }
.btn.block { width: 100%; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============================ 表格 ============================ */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left; font-weight: 600; color: var(--text-2);
  background: #fafbfd; padding: 11px 14px; white-space: nowrap;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 1;
}
table.data td {
  padding: 11px 14px; border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}
table.data tbody tr:hover { background: #fafbff; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data td.mono, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
table.data td.nowrap { white-space: nowrap; }
.empty { text-align: center; padding: 48px 16px; color: var(--text-3); }
.empty .big { font-size: 34px; opacity: .35; margin-bottom: 8px; }

/* 表内操作按钮组 */
.ops { display: flex; gap: 6px; flex-wrap: wrap; }

/* ============================ 徽标 ============================ */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  height: 22px; padding: 0 8px; border-radius: 20px;
  font-size: 12px; font-weight: 500; white-space: nowrap;
  background: var(--line-soft); color: var(--text-2);
}
.tag.ok     { background: var(--ok-bg);     color: #047857; }
.tag.warn   { background: var(--warn-bg);   color: #b45309; }
.tag.danger { background: var(--danger-bg); color: #b91c1c; }
.tag.info   { background: var(--info-bg);   color: #0369a1; }
.tag.brand  { background: var(--brand-50);  color: var(--brand-600); }
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ============================ 分页 ============================ */
.pager {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 12px 18px; border-top: 1px solid var(--line-soft);
  font-size: 13px; color: var(--text-2);
}
.pager .spacer { flex: 1; }
.pager button {
  min-width: 32px; height: 32px; padding: 0 9px;
  border: 1px solid var(--line); background: #fff; border-radius: 7px;
  cursor: pointer; font-size: 13px; color: var(--text);
}
.pager button:hover:not(:disabled) { border-color: var(--brand); color: var(--brand); }
.pager button:disabled { opacity: .45; cursor: not-allowed; }
.pager button.cur { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

/* ============================ 弹层 ============================ */
.mask {
  position: fixed; inset: 0; background: rgba(17,22,35,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 20px; backdrop-filter: blur(2px);
  animation: fade .15s ease;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.modal {
  background: var(--panel); border-radius: 14px;
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 560px; max-height: 88vh;
  display: flex; flex-direction: column;
  animation: pop .18s cubic-bezier(.2,.8,.3,1);
}
.modal.wide { max-width: 860px; }
.modal.narrow { max-width: 420px; }
.modal > header {
  padding: 16px 20px; border-bottom: 1px solid var(--line-soft);
  display: flex; align-items: center; font-weight: 650; font-size: 15.5px;
}
.modal > header .x {
  margin-left: auto; background: none; border: 0; cursor: pointer;
  font-size: 20px; color: var(--text-3); line-height: 1; padding: 0 2px;
}
.modal > header .x:hover { color: var(--text); }
.modal > .body { padding: 20px; overflow-y: auto; flex: 1; }
.modal > footer {
  padding: 14px 20px; border-top: 1px solid var(--line-soft);
  display: flex; gap: 9px; justify-content: flex-end;
}

/* ============================ 提示条 ============================ */
#toasts {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  background: #1f2937; color: #fff;
  padding: 10px 18px; border-radius: 22px; font-size: 13.5px;
  box-shadow: var(--shadow-lg);
  animation: pop .18s ease;
  max-width: 80vw;
}
.toast.ok     { background: var(--ok); }
.toast.danger { background: var(--danger); }
.toast.warn   { background: var(--warn); }

/* 内联提示块 */
.alert {
  padding: 11px 14px; border-radius: var(--radius-sm);
  font-size: 13px; margin-bottom: 14px;
  border: 1px solid transparent; line-height: 1.65;
}
.alert.info   { background: var(--info-bg);   border-color: #bae6fd; color: #075985; }
.alert.warn   { background: var(--warn-bg);   border-color: #fde68a; color: #92400e; }
.alert.danger { background: var(--danger-bg); border-color: #fecaca; color: #991b1b; }
.alert.ok     { background: var(--ok-bg);     border-color: #a7f3d0; color: #065f46; }

/* ============================ 描述列表 ============================ */
.desc { display: grid; grid-template-columns: 110px 1fr; gap: 10px 14px; font-size: 13.5px; }
.desc dt { color: var(--text-3); }
.desc dd { margin: 0; word-break: break-all; }

/* ============================ 登录页 ============================ */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: #12172a;
  background-image:
    radial-gradient(900px 500px at 12% 10%, rgba(99,102,241,.34), transparent 60%),
    radial-gradient(800px 500px at 88% 88%, rgba(139,92,246,.28), transparent 60%);
}
.login-box {
  width: 100%; max-width: 400px;
  background: rgba(255,255,255,.97);
  border-radius: 18px; padding: 34px 32px;
  box-shadow: 0 24px 70px rgba(0,0,0,.42);
}
.login-box .logo {
  display: flex; align-items: center; gap: 11px; margin-bottom: 4px;
}
.login-box .logo .mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  box-shadow: 0 6px 18px rgba(99,102,241,.42);
}
.login-box .logo .t1 { font-size: 20px; font-weight: 750; letter-spacing: .3px; }
.login-box .logo .t2 { font-size: 12px; color: var(--text-3); }
.login-box h1 { font-size: 17px; margin: 22px 0 18px; font-weight: 640; }
.login-box .field { margin-bottom: 14px; }
.login-box input { width: 100%; height: 42px; font-size: 14px; }
.login-box .btn { height: 42px; font-size: 15px; margin-top: 6px; }
.login-box .err {
  background: var(--danger-bg); color: #b91c1c; border: 1px solid #fecaca;
  padding: 9px 12px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 14px;
}
.login-box .foot { margin-top: 18px; text-align: center; font-size: 12px; color: var(--text-3); }

/* ============================ 工具类 ============================ */
.flex { display: flex; }
.items-center { align-items: center; }
.gap-6 { gap: 6px; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; }
.spacer { flex: 1; }
.muted { color: var(--text-3); }
.small { font-size: 12.5px; }
.strong { font-weight: 650; }
.right { text-align: right; }
.center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; } .mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; }
.money { font-variant-numeric: tabular-nums; font-weight: 600; }
.money.in  { color: var(--ok); }
.money.out { color: var(--danger); }
.nowrap { white-space: nowrap; }
.break { word-break: break-all; }
.hidden { display: none !important; }
.copyable { cursor: pointer; border-bottom: 1px dashed var(--text-3); }
.copyable:hover { color: var(--brand); border-color: var(--brand); }
.spin { display: inline-block; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-line {
  height: 2px; background: var(--brand-grad); border-radius: 2px;
  animation: load 1.1s ease-in-out infinite;
}
@keyframes load { 0% { opacity:.25; } 50% { opacity:1; } 100% { opacity:.25; } }

/* ============================ 响应式 ============================ */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: none; box-shadow: var(--shadow-lg); }
  .main { margin-left: 0; }
  .header .menu-btn { display: block; }
  .content { padding: 14px; }
  .desc { grid-template-columns: 88px 1fr; }
  .modal { max-width: 100%; }
}