:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --border: #e5e8ef;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --ok: #15803d;
  --ok-bg: #e9f7ef;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 1px 3px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

/* ---------------------------------------------------------------- 登录页 */

.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: linear-gradient(160deg, #eef3ff 0%, #f5f7fb 55%, #eef7f2 100%);
}

.login-card {
  width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  padding: 32px 28px 26px;
}

.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 15px;
}
.brand-name { font-size: 16px; font-weight: 700; }
.login-card h1 { font-size: 20px; margin: 14px 0 4px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin: 0 0 20px; }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 14px; background: #fff; color: var(--text); outline: none;
}
.field input:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 9px 14px; border-radius: 10px; font-size: 13.5px; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #f8fafc; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.form-error {
  margin: 12px 0 0; padding: 9px 12px; border-radius: 9px; font-size: 13px;
  background: var(--danger-bg); color: var(--danger);
}
.form-error:empty { display: none; }
.hint { color: var(--muted); font-size: 12.5px; margin-top: 14px; }

/* ---------------------------------------------------------------- 主框架 */

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.topbar .brand-name { font-size: 15px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.user-chip { color: var(--muted); font-size: 13px; }

.container { max-width: 1080px; margin: 0 auto; padding: 24px 28px 64px; }

.banner {
  padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: 13.5px;
  border: 1px solid var(--warn-bg); background: var(--warn-bg); color: var(--warn);
}
.banner.danger { background: var(--danger-bg); border-color: var(--danger-bg); color: var(--danger); }
.hidden { display: none !important; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); margin-bottom: 20px; overflow: hidden;
}
.card-head {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.card-head h2 { margin: 0; font-size: 16px; }
.card-body { padding: 18px 20px; }
.card-sub { color: var(--muted); font-size: 12.5px; }

.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-off { background: #eef1f6; color: var(--muted); }

/* 订阅概览 */

.sub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.sub-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.sub-card h3 { margin: 0 0 4px; font-size: 15.5px; display: flex; align-items: center; gap: 8px; }
.sub-meta { color: var(--muted); font-size: 12.5px; margin-bottom: 12px; }
.kv { margin: 0; }
.kv > div { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-top: 1px dashed var(--border); }
.kv dt { color: var(--muted); font-size: 12.5px; flex: none; }
.kv dd { margin: 0; font-size: 13px; text-align: right; word-break: break-all; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.key-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.key-box {
  display: inline-block; padding: 5px 9px; border-radius: 8px; background: #f1f5f9;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px;
  word-break: break-all;
}
.curl {
  margin: 14px 0 0; padding: 12px 14px; border-radius: 10px; background: #0f172a; color: #e2e8f0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px;
  overflow-x: auto; white-space: pre;
}

.countdown { font-weight: 600; }
.countdown.warn { color: var(--warn); }
.countdown.danger { color: var(--danger); }

/* 接口清单 */

.ep-group-head {
  padding: 10px 20px; background: #f8fafc; border-top: 1px solid var(--border);
  font-size: 13px; font-weight: 600; color: #334155;
}
.ep-table { width: 100%; border-collapse: collapse; }
.ep-table td { padding: 9px 20px; border-top: 1px solid var(--border); vertical-align: top; font-size: 13px; }
.ep-name { width: 130px; font-weight: 600; }
.ep-path { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; color: #334155; word-break: break-all; }
.ep-note { margin-top: 2px; font-family: inherit; font-size: 11.5px; color: var(--muted); }
.ep-req { width: 220px; color: var(--muted); font-size: 12px; }
.ep-state { width: 96px; text-align: right; white-space: nowrap; }

/* 文档 / 表格 */

.doc-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.doc-table th, .doc-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.doc-table th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
.doc-table code, .inline-code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; background: #f1f5f9; padding: 1px 5px; border-radius: 5px; }
.doc-list { margin: 0; padding-left: 18px; color: #334155; font-size: 13.5px; }
.doc-list li { margin: 6px 0; }

/* 账号 */

.form-inline { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; align-items: end; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: #0f172a; color: #fff; padding: 9px 16px; border-radius: 10px; font-size: 13px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s; z-index: 20;
}
.toast.show { opacity: 1; }
.toast.error { background: var(--danger); }

@media (max-width: 640px) {
  .container { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .kv > div { flex-direction: column; gap: 2px; }
  .kv dd { text-align: left; }
  .ep-req { display: none; }
}