:root {
  --bg: #f5f7fb;
  --panel: #fff;
  --line: #e6ebf2;
  --line-strong: #d7dfeb;
  --text: #1d2433;
  --muted: #667085;
  --accent: #2f70ed;
  --accent-dark: #1f5fd6;
  --success: #169b62;
  --danger: #d14343;
  --warning: #b7791f;
  --shadow: 0 18px 45px rgba(18, 32, 56, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; height: 100%; overflow: hidden; }
body { color: var(--text); background: var(--bg); font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

.admin-shell { display: grid; grid-template-rows: 58px minmax(0, 1fr); height: 100vh; }
.admin-topbar { z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: 0 20px 0 24px; background: #fff; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--accent); font-size: 18px; }
.brand img { width: auto; height: 30px; max-width: 142px; object-fit: contain; }
.admin-user { position: relative; }
.avatar-btn { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(47, 112, 237, 0.18); border-radius: 999px; background: #fff; cursor: pointer; box-shadow: 0 8px 18px rgba(15, 23, 42, 0.1); }
.avatar-btn span { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 999px; background: linear-gradient(135deg, #38bdf8, #2563eb); color: #fff; font-size: 12px; font-weight: 800; }
.user-menu-panel { position: absolute; top: calc(100% + 8px); right: 0; z-index: 30; width: 178px; padding: 6px; border: 1px solid rgba(148, 163, 184, 0.18); border-radius: 10px; background: rgba(255, 255, 255, 0.98); box-shadow: 0 18px 44px rgba(15, 23, 42, 0.16); }
.user-menu-info { display: grid; gap: 3px; padding: 8px 10px 10px; border-bottom: 1px solid rgba(148, 163, 184, 0.16); }
.user-menu-info strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.user-menu-info span { color: var(--muted); font-size: 12px; }
.user-menu-item { display: flex; align-items: center; width: 100%; min-height: 34px; padding: 0 10px; border: 0; border-radius: 6px; background: transparent; color: var(--text); cursor: pointer; font-size: 13px; text-align: left; }
.user-menu-item:hover { background: rgba(47, 112, 237, 0.08); color: var(--accent-dark); }

.admin-layout { display: grid; grid-template-columns: 238px minmax(0, 1fr); min-height: 0; overflow: hidden; }
.admin-sidebar { overflow-y: auto; padding: 18px 12px 16px; background: #fff; border-right: 1px solid var(--line); }
.nav-item { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 46px; margin: 0 0 8px; padding: 0 16px; border: 0; border-radius: 8px; background: transparent; color: #202735; cursor: pointer; text-align: left; font-weight: 700; }
.nav-item span { width: 22px; color: currentColor; font-size: 20px; text-align: center; }
.nav-item:hover { background: #f6f9ff; }
.nav-item.active { background: var(--accent); color: #fff; box-shadow: 0 12px 24px rgba(47, 112, 237, 0.22); }

.admin-main { min-height: 0; overflow: auto; padding: 20px 24px 30px; }
.workspace-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 82px; margin-bottom: 14px; padding: 16px 20px; border-radius: 8px; background: var(--panel); box-shadow: var(--shadow); }
.workspace-head h1 { margin: 0 0 4px; font-size: 22px; line-height: 1.2; }
.workspace-head p { margin: 0; color: var(--muted); font-size: 13px; }
.head-actions { display: flex; align-items: center; gap: 8px; }
.search-box { display: inline-flex; align-items: center; gap: 8px; width: 290px; height: 38px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; color: #9aa4b2; }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--text); }
.icon-btn { display: inline-grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; color: var(--accent); cursor: pointer; font-size: 18px; }

.content-panel, .table-panel { border-radius: 8px; background: var(--panel); box-shadow: var(--shadow); }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
.settings-panel { padding: 22px; }
.section-title { margin-bottom: 16px; }
.section-title span { display: block; margin-bottom: 6px; color: var(--accent); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.section-title h2 { margin: 0 0 4px; font-size: 19px; }
.section-title p { margin: 0; color: var(--muted); font-size: 13px; }
.form-field { display: grid; gap: 6px; margin-bottom: 12px; }
.form-field span { font-size: 13px; font-weight: 700; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 38px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; color: var(--text); }
.form-field input[readonly] { background: #f8fafc; color: var(--muted); cursor: default; }
.form-actions { display: flex; align-items: center; gap: 10px; }
.full-row { grid-column: 1 / -1; }
.primary-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 0 14px; border-radius: 4px; cursor: pointer; font-weight: 800; }
.primary-btn { border: 0; background: var(--accent); color: #fff; }
.primary-btn:hover { background: var(--accent-dark); }
.secondary-btn { border: 1px solid var(--line-strong); background: #fff; color: var(--accent); }
.text-btn, .danger-btn { min-height: 28px; padding: 0 8px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; cursor: pointer; font-weight: 800; font-size: 12px; }
.text-btn { color: var(--accent); }
.danger-btn { border-color: rgba(209, 67, 67, 0.28); color: var(--danger); }
.feedback { padding: 10px 12px; border: 1px solid #dbe7ff; border-radius: 4px; background: #f4f8ff; color: #43536b; font-size: 13px; }
.feedback.success { border-color: rgba(22, 155, 98, 0.25); background: rgba(22, 155, 98, 0.08); color: var(--success); }
.feedback.error { border-color: rgba(209, 67, 67, 0.25); background: rgba(209, 67, 67, 0.08); color: var(--danger); }
.selected-user-card { display: grid; gap: 4px; padding: 9px 11px; border: 1px solid rgba(47, 112, 237, 0.18); border-radius: 6px; background: rgba(47, 112, 237, 0.06); }
.selected-user-card span { color: var(--muted); font-size: 13px; font-weight: 500; }
.credit-user-options { display: grid; gap: 6px; max-height: 174px; overflow-y: auto; padding: 6px; border: 1px solid var(--line-strong); border-radius: 6px; background: #fff; }
.credit-user-option { display: grid; gap: 3px; width: 100%; min-height: 38px; padding: 6px 9px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.credit-user-option:hover, .credit-user-option.active { border-color: rgba(47, 112, 237, 0.25); background: rgba(47, 112, 237, 0.08); }
.credit-user-option small, .credit-user-empty { color: var(--muted); font-size: 12px; }
.credit-user-empty { padding: 10px; }

.table-panel { overflow: hidden; }
.table-summary { display: flex; align-items: baseline; gap: 8px; padding: 13px 18px; border-bottom: 1px solid var(--line); }
.table-summary strong { color: var(--accent); font-size: 22px; }
.table-summary span { color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 860px; border-collapse: collapse; }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f8fafc; color: #4b586b; font-size: 12px; font-weight: 800; }
td { color: #2f3848; font-size: 13px; }
.cell-main { display: grid; gap: 4px; }
.cell-main strong { font-size: 14px; }
.cell-main small, .muted { color: var(--muted); }
.status-pill { display: inline-flex; align-items: center; min-height: 22px; padding: 0 8px; border-radius: 4px; background: #edf2ff; color: var(--accent); font-size: 12px; font-weight: 800; }
.status-pill.success { background: rgba(22, 155, 98, 0.1); color: var(--success); }
.status-pill.failed { background: rgba(209, 67, 67, 0.1); color: var(--danger); }
.status-pill.running { background: rgba(183, 121, 31, 0.12); color: var(--warning); }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.dialog-backdrop { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 18px; background: rgba(20, 30, 46, 0.28); }
.dialog-panel { width: min(430px, 100%); max-height: calc(100vh - 36px); overflow-y: auto; padding: 18px; border-radius: 8px; background: #fff; box-shadow: 0 24px 60px rgba(18, 32, 56, 0.22); }
.credit-rules-panel { width: min(720px, 100%); }
.rule-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 13px; }
.dialog-head h2 { margin: 0; font-size: 18px; }
.check-field { display: inline-flex; align-items: center; gap: 8px; margin: 2px 0 12px; color: var(--text); font-weight: 700; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 13px; }
.hidden { display: none !important; }

@media (max-width: 980px) {
  .admin-layout { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
  .admin-sidebar { display: flex; gap: 8px; overflow-x: auto; padding: 12px; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav-item { flex: 0 0 auto; width: auto; margin: 0; }
  .workspace-head { align-items: stretch; flex-direction: column; }
  .head-actions { flex-wrap: wrap; }
  .search-box { width: 100%; }
  .settings-grid { grid-template-columns: 1fr; }
  .rule-grid { grid-template-columns: 1fr; }
}