/* ── 暗色科技风 ─────────────────────────────────────────────── */
:root {
  --bg: #0a0e17;
  --bg-panel: #0f1626;
  --bg-panel-2: #131c30;
  --bg-hover: #182338;
  --border: rgba(0, 229, 255, 0.14);
  --border-strong: rgba(0, 229, 255, 0.35);
  --accent: #00e5ff;
  --accent-dim: rgba(0, 229, 255, 0.55);
  --accent-2: #7c4dff;
  --text: #d5e4f0;
  --text-dim: #7d93a8;
  --ok: #00e676;
  --warn: #ffab00;
  --danger: #ff5252;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

body {
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 229, 255, 0.06), transparent),
    radial-gradient(ellipse 60% 40% at 90% 110%, rgba(124, 77, 255, 0.05), transparent);
  color: var(--text);
  font: 14px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ── 登录页 ─────────────────────────────────────────────────── */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-card {
  width: 360px; padding: 40px 36px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 0 60px rgba(0, 229, 255, 0.07), 0 20px 60px rgba(0, 0, 0, 0.5);
}
.login-card h1 {
  font-size: 20px; letter-spacing: 2px; text-align: center; margin-bottom: 6px;
  color: var(--accent); text-shadow: 0 0 20px rgba(0, 229, 255, 0.5);
}
.login-card .sub { text-align: center; color: var(--text-dim); font-size: 12px; margin-bottom: 28px; letter-spacing: 4px; }

/* ── 布局 ───────────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 200px; flex-shrink: 0; padding: 20px 12px;
  background: var(--bg-panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}
.sidebar .logo {
  font-size: 15px; font-weight: 700; color: var(--accent); letter-spacing: 1px;
  padding: 6px 12px 18px; text-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
}
.sidebar a {
  display: block; padding: 10px 14px; border-radius: 8px;
  color: var(--text-dim); text-decoration: none; font-size: 13.5px;
  border: 1px solid transparent; transition: all 0.15s;
}
.sidebar a:hover { color: var(--text); background: var(--bg-hover); }
.sidebar a.active {
  color: var(--accent); background: rgba(0, 229, 255, 0.07);
  border-color: var(--border); box-shadow: inset 0 0 12px rgba(0, 229, 255, 0.05);
}
.sidebar .spacer { flex: 1; }
.sidebar .who { padding: 8px 14px; color: var(--text-dim); font-size: 12px; }

.main { flex: 1; padding: 24px 28px; min-width: 0; }
.page-title { font-size: 17px; font-weight: 600; margin-bottom: 18px; letter-spacing: 1px; }
.page-title .dim { color: var(--text-dim); font-weight: 400; font-size: 12px; margin-left: 10px; }

/* ── 卡片/面板 ──────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-bottom: 20px; }
.card {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
}
.card .label { color: var(--text-dim); font-size: 12px; margin-bottom: 6px; }
.card .value { font-family: var(--mono); font-size: 24px; color: var(--accent); text-shadow: 0 0 14px rgba(0, 229, 255, 0.3); }
.card .value.warn { color: var(--warn); text-shadow: none; }
.card .value.ok { color: var(--ok); text-shadow: none; }

.panel {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px; margin-bottom: 18px;
}
.panel h3 { font-size: 14px; margin-bottom: 12px; color: var(--text); letter-spacing: 1px; }
.panel h3 .dim { color: var(--text-dim); font-weight: 400; font-size: 12px; margin-left: 8px; }

/* ── 表格 ───────────────────────────────────────────────────── */
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; padding: 8px 10px; color: var(--text-dim); font-weight: 500;
  border-bottom: 1px solid var(--border); font-size: 12px; white-space: nowrap;
}
.tbl td { padding: 8px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.04); vertical-align: middle; }
.tbl tr:hover td { background: var(--bg-hover); }
.tbl .r { text-align: right; }
.tbl td.num, .tbl th.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ── 徽标 ───────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11.5px;
  border: 1px solid var(--border); color: var(--text-dim); white-space: nowrap;
}
.badge.prepaid { color: var(--accent); border-color: var(--border-strong); background: rgba(0, 229, 255, 0.06); }
.badge.postpaid { color: var(--accent-2); border-color: rgba(124, 77, 255, 0.4); background: rgba(124, 77, 255, 0.08); }
.badge.money { color: var(--ok); border-color: rgba(0, 230, 118, 0.3); }
.badge.low { color: var(--danger); border-color: rgba(255, 82, 82, 0.4); }

/* ── 表单 ───────────────────────────────────────────────────── */
.field { margin-bottom: 14px; }
.field label { display: block; color: var(--text-dim); font-size: 12px; margin-bottom: 5px; }
input[type="text"], input[type="password"], input[type="number"], input[type="date"], select, textarea {
  width: 100%; padding: 9px 12px; font-size: 13.5px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px; outline: none;
  transition: border 0.15s, box-shadow 0.15s; font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent-dim); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.08);
}
input.num-input { font-family: var(--mono); }
/* 表格内嵌输入(产品管理 operation 元数据行内编辑):更紧凑 */
.tbl td input { padding: 6px 9px; font-size: 12.5px; background: rgba(255, 255, 255, 0.02); }
select option { background: var(--bg-panel); }

.btn {
  display: inline-block; padding: 8px 18px; font-size: 13px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border-strong); background: rgba(0, 229, 255, 0.08); color: var(--accent);
  transition: all 0.15s; font-family: inherit; letter-spacing: 1px;
}
.btn:hover { background: rgba(0, 229, 255, 0.16); box-shadow: 0 0 14px rgba(0, 229, 255, 0.2); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.btn.plain { border-color: var(--border); color: var(--text-dim); background: transparent; }
.btn.plain:hover { color: var(--text); border-color: var(--border-strong); box-shadow: none; }
.btn.danger { border-color: rgba(255, 82, 82, 0.4); color: var(--danger); background: rgba(255, 82, 82, 0.06); }
.btn.sm { padding: 4px 12px; font-size: 12px; border-radius: 6px; }
.btn.block { display: block; width: 100%; text-align: center; }

.form-row { display: flex; gap: 12px; }
.form-row .field { flex: 1; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.checkbox-item {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 13px;
}
.checkbox-item:hover { border-color: var(--border-strong); }
.checkbox-item input { accent-color: var(--accent); }
.checkbox-item .pid { color: var(--text-dim); font-size: 11.5px; font-family: var(--mono); }

/* ── 模态框 ─────────────────────────────────────────────────── */
.modal-mask {
  position: fixed; inset: 0; background: rgba(4, 8, 15, 0.75); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  width: 520px; max-width: calc(100vw - 40px); max-height: 86vh; overflow-y: auto;
  background: var(--bg-panel-2); border: 1px solid var(--border-strong); border-radius: 12px;
  padding: 22px 24px; box-shadow: 0 0 50px rgba(0, 229, 255, 0.1), 0 24px 70px rgba(0, 0, 0, 0.6);
}
.modal h3 { font-size: 15px; margin-bottom: 16px; color: var(--accent); letter-spacing: 1px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.secret-box {
  background: var(--bg); border: 1px dashed var(--border-strong); border-radius: 8px;
  padding: 12px; font-family: var(--mono); font-size: 12.5px; word-break: break-all;
  color: var(--ok); margin: 8px 0;
}

/* ── toast ──────────────────────────────────────────────────── */
.toasts { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 10px 16px; border-radius: 8px; font-size: 13px; max-width: 380px;
  background: var(--bg-panel-2); border: 1px solid var(--border-strong); color: var(--text);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5); animation: slidein 0.2s ease;
}
.toast.err { border-color: rgba(255, 82, 82, 0.5); color: var(--danger); }
.toast.ok { border-color: rgba(0, 230, 118, 0.4); color: var(--ok); }
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ── 其他 ───────────────────────────────────────────────────── */
.muted { color: var(--text-dim); }
.mono { font-family: var(--mono); }
.error-text { color: var(--danger); font-size: 12.5px; margin-top: 8px; }
.hint { color: var(--text-dim); font-size: 12px; margin-top: 4px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .grow { flex: 1; }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs button {
  padding: 7px 16px; font-size: 13px; border-radius: 8px 8px 0 0; cursor: pointer;
  background: transparent; border: 1px solid var(--border); border-bottom: none; color: var(--text-dim);
  font-family: inherit;
}
.tabs button.active { color: var(--accent); background: rgba(0, 229, 255, 0.07); border-color: var(--border-strong); }
.empty { text-align: center; color: var(--text-dim); padding: 30px 0; font-size: 13px; }
a.link { color: var(--accent); text-decoration: none; cursor: pointer; }
a.link:hover { text-decoration: underline; }
.desc-cell { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }