/* ============================================================
   PSP 管理后台 — Stripe 风格设计系统
   配色：#635BFF（Stripe 蓝紫），浅色侧栏 + 软阴影面板
   ============================================================ */

:root {
  --brand: #635bff;
  --brand-hover: #5851ea;
  --brand-subtle: #f1f0ff;   /* 选中态浅底 */
  --brand-ring: #dcd9ff;

  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --border: #e3e8ee;
  --border-strong: #d6dce4;

  --text: #1a1f36;
  --muted: #697386;
  --muted-2: #9aa0ac;

  --green: #0e6245;
  --green-bg: #e8f5ee;
  --red: #cd3d64;
  --red-bg: #fce8ef;
  --amber: #b45404;
  --amber-bg: #fbf0d8;
  --blue: #2a4a9e;
  --blue-bg: #eaf0fb;

  --radius: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.05);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-hover); }

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

.sidebar {
  width: 236px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-text { line-height: 1.15; }
.brand-name { font-weight: 700; font-size: 15px; color: var(--text); }
.brand-sub { font-size: 11px; color: var(--muted-2); }

.sidebar nav { flex: 1; overflow-y: auto; padding: 12px 12px; }

.nav-group { margin-bottom: 18px; }
.nav-group-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding: 0 10px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 2px;
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active {
  background: var(--brand-subtle);
  color: var(--brand);
  font-weight: 600;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.user-chip {
  display: flex; align-items: center; gap: 8px;
  min-width: 0;
}
.avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--brand-subtle); color: var(--brand);
  font-weight: 600; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-name { font-size: 13px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logout { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.logout:hover { color: var(--red); }

/* ============================================================
   内容区
   ============================================================ */
.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-title { font-size: 14px; color: var(--muted); }
.topbar-right { display: flex; align-items: center; gap: 16px; }

.env-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
}
.env-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; }
.env-badge.test { background: var(--amber-bg); color: var(--amber); }
.env-badge.test::before { background: var(--amber); }
.env-badge.prod { background: var(--red-bg); color: var(--red); }
.env-badge.prod::before { background: var(--red); }

.content-body { padding: 28px 32px; flex: 1; }

.page-head { margin-bottom: 20px; }
.page-head h1 { margin: 0 0 4px; font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.page-head .muted { margin: 0; }
.content h1 { margin: 0 0 20px; font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }

/* ============================================================
   卡片
   ============================================================ */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.card-label { color: var(--muted); font-size: 13px; font-weight: 500; }
.card-num {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.card-sub { color: var(--muted-2); font-size: 12px; margin-top: 4px; }
.card.highlight { border-color: var(--brand-ring); background: linear-gradient(180deg, #faf9ff 0%, #ffffff 60%); }
.card.highlight .card-label { color: var(--brand); }

/* ============================================================
   面板 & 表单
   ============================================================ */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.panel h2 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.panel-head h2 { margin: 0; }
.panel-head .muted { margin: 0; font-size: 13px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; align-items: end; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); font-weight: 500; }
.form-grid input, .form-grid select, .filter-bar select, .filter-bar input, .inline input, .inline select {
  padding: 8px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  color: var(--text);
  background: var(--surface);
  font-family: inherit;
}
.form-grid input:focus, .form-grid select:focus, .filter-bar select:focus, .inline input:focus, .inline select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-subtle);
}

.filter-bar { display: flex; gap: 14px; align-items: end; flex-wrap: wrap; }
.filter-bar label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); font-weight: 500; }

/* ============================================================
   按钮
   ============================================================ */
.btn, button[type="submit"], .form-grid button, .filter-bar button {
  padding: 8px 14px;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  white-space: nowrap;
}
.btn:hover, button[type="submit"]:hover, .form-grid button:hover, .filter-bar button:hover {
  background: var(--brand-hover);
}
.form-grid button, .filter-bar button { height: 36px; }

.btn-sm {
  padding: 6px 11px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  font-family: inherit;
  white-space: nowrap;
}
.btn-sm:hover { background: var(--surface-2); }
.btn-sm.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-sm.primary:hover { background: var(--brand-hover); }
.btn-sm.danger { color: var(--red); border-color: #f3c4d2; }
.btn-sm.danger:hover { background: var(--red-bg); }

/* ============================================================
   表格
   ============================================================ */
.table-scroll { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 13px;
}
th {
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface-2); }

/* 金额右对齐 + 等宽数字 */
.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
th.num { text-align: right; }
.mono { font-family: "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace; font-size: 12px; }

code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 12px;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
  color: var(--text);
}

/* ============================================================
   状态 pill
   ============================================================ */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; margin-right: 6px; }
.pill.blue { background: var(--blue-bg); color: var(--blue); }
.pill.blue::before { background: var(--blue); }
.pill.green { background: var(--green-bg); color: var(--green); }
.pill.green::before { background: var(--green); }
.pill.amber { background: var(--amber-bg); color: var(--amber); }
.pill.amber::before { background: var(--amber); }
.pill.red { background: var(--red-bg); color: var(--red); }
.pill.red::before { background: var(--red); }
.pill.gray { background: var(--surface-2); color: var(--muted); }
.pill.gray::before { background: var(--muted-2); }

.pos { color: var(--green); font-weight: 600; font-variant-numeric: tabular-nums; }
.neg { color: var(--red); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ============================================================
   空状态
   ============================================================ */
.empty {
  padding: 32px 20px;
  text-align: center;
  color: var(--muted-2);
  font-size: 13px;
}
.empty strong { display: block; color: var(--muted); font-size: 14px; margin-bottom: 4px; }

/* ============================================================
   行内操作 / 分页
   ============================================================ */
.inline { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.w6 { width: 64px; }

.pager { margin-top: 14px; display: flex; gap: 10px; }
.pager a {
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text);
}
.pager a:hover { background: var(--surface-2); color: var(--text); }

/* ============================================================
   结算配置折叠
   ============================================================ */
.settlement-row > td { background: var(--surface-2); padding-top: 0; padding-bottom: 12px; }
.settlement-row details { margin: 0; }
.settlement-row summary { cursor: pointer; color: var(--brand); font-size: 13px; user-select: none; padding: 4px 0; font-weight: 500; }
.settlement-form { padding: 12px 0 4px; }

/* ============================================================
   登录页
   ============================================================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(180deg, #faf9ff 0%, var(--bg) 40%);
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow);
}
.login-brand { display: flex; align-items: center; gap: 10px; padding-bottom: 18px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.login-box label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 500; }
.login-box input {
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
}
.login-box input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-subtle); }
.login-box button {
  margin-top: 6px;
  padding: 11px;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.login-box button:hover { background: var(--brand-hover); }
.error { color: var(--red); font-size: 13px; margin: 0; }

.muted { color: var(--muted); font-size: 13px; }

/* ============================================================
   一次性提示（flash）
   ============================================================ */
.flash {
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 16px;
  border: 1px solid;
}
.flash-success { background: var(--green-bg); color: var(--green); border-color: #cbe5d8; }
.flash-error { background: var(--red-bg); color: var(--red); border-color: #f5c6d2; }