:root {
  --paper: #f7f4ec;
  --card: #fffdf8;
  --ink: #2c2c2a;
  --muted: #8a7f6b;
  --line: #e6dcc9;
  --zhu: #a32d2d;
  --zhu-dark: #7e1f1f;
  --gold: #b08a3e;
  --green: #2f7d46;
  --orange: #b2761f;
  --dark: #221e1a;
  --dark-2: #2d2722;
  --shadow: 0 10px 30px rgba(86, 63, 32, 0.07);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "PingFang SC", serif;
  font-size: 14px;
}

body {
  background:
    radial-gradient(circle at 8% 4%, rgba(163, 45, 45, 0.05), transparent 32%),
    radial-gradient(circle at 92% 6%, rgba(176, 138, 62, 0.08), transparent 34%),
    var(--paper);
}

a { color: var(--zhu); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
code, .mono { font-family: Menlo, "SFMono-Regular", monospace; }
.hidden { display: none !important; }

/* --------------------------------- login --------------------------------- */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background:
    radial-gradient(circle at 20% 10%, rgba(163, 45, 45, 0.07), transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(176, 138, 62, 0.1), transparent 40%),
    var(--paper);
}

.login-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 24px 60px rgba(86, 63, 32, 0.12);
}

.login-brand { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.login-name { font-size: 28px; letter-spacing: 8px; font-weight: 600; }
.login-sub { font-size: 11px; color: var(--muted); letter-spacing: 2px; margin-top: 2px; }

.seal {
  width: 48px;
  height: 48px;
  border: 2px solid var(--zhu);
  border-radius: 7px;
  color: var(--zhu);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  transform: rotate(-5deg);
  flex-shrink: 0;
  background: rgba(255, 253, 248, 0.9);
}
.seal.small { width: 38px; height: 38px; font-size: 13px; }

.login-card label {
  display: block;
  font-size: 12px;
  color: #5d5142;
  margin: 14px 0 6px;
  letter-spacing: 1px;
}

.login-card input {
  width: 100%;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fbf8f0;
  padding: 0 13px;
  font-family: inherit;
  font-size: 14px;
}
.login-card input:focus { outline: 1px solid rgba(163, 45, 45, 0.4); border-color: var(--zhu); }

.primary-btn {
  border: 0;
  border-radius: 9px;
  background: linear-gradient(135deg, #a93333, #8e2323);
  color: #fff8e9;
  padding: 10px 18px;
  font-size: 13px;
  letter-spacing: 1px;
  box-shadow: 0 8px 18px rgba(142, 35, 35, 0.18);
}
.primary-btn:hover { filter: brightness(1.05); }
.primary-btn:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }
.login-card .primary-btn { width: 100%; height: 46px; margin-top: 22px; }

.login-hint { margin-top: 18px; font-size: 10px; color: var(--muted); line-height: 1.8; text-align: center; }
.login-hint code { color: var(--zhu); background: #f7eee3; padding: 1px 5px; border-radius: 3px; }
.login-back { display: block; margin-top: 16px; text-align: center; font-size: 11px; color: var(--muted); }

/* ---------------------------------- shell -------------------------------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 244px;
  flex-shrink: 0;
  background: var(--dark);
  color: #e9dcc4;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.side-brand { display: flex; align-items: center; gap: 12px; padding: 0 6px 20px; border-bottom: 1px solid #3a332c; }
.side-name { font-size: 18px; letter-spacing: 6px; font-weight: 600; color: #f7efdf; }
.side-sub { font-size: 9px; letter-spacing: 2px; color: #9c8c75; margin-top: 2px; }

.side-nav { margin-top: 16px; display: flex; flex-direction: column; gap: 3px; flex: 1; overflow-y: auto; }
.side-nav button {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  color: #bfae95;
  padding: 10px 10px;
  border-radius: 8px;
  font-size: 12.5px;
  text-align: left;
}
.side-nav button:hover { background: #2d2722; color: #f1e6d3; }
.side-nav button.active { background: #3a2c26; color: #f4ddb2; box-shadow: inset 2px 0 0 var(--zhu); }
.nav-glyph {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border: 1px solid #4a4036;
  border-radius: 4px;
  font-size: 10px;
  color: #bba886;
}
.side-nav button.active .nav-glyph { border-color: #8f6b3f; color: #f2d8a4; }

.side-foot { border-top: 1px solid #3a332c; padding-top: 12px; font-size: 10px; display: flex; flex-direction: column; gap: 7px; color: #9c8c75; }
.env-line { display: flex; justify-content: space-between; gap: 6px; }
.env-line span { border: 1px solid #4a4036; padding: 2px 6px; border-radius: 4px; font-size: 9px; }
.side-foot a { color: #bfae95; font-size: 10.5px; }
.side-foot a:hover { color: #f2d8a4; }
.side-logout {
  margin-top: 6px;
  border: 1px solid #4a4036;
  background: transparent;
  color: #c9b79c;
  border-radius: 6px;
  padding: 7px;
  font-size: 10.5px;
}
.side-logout:hover { border-color: var(--zhu); color: #f0c9c2; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.main-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 32px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.6);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.main-title { font-size: 24px; letter-spacing: 4px; font-weight: 600; }
.main-sub { font-size: 11px; color: var(--muted); margin-top: 4px; letter-spacing: 1px; }
.head-actions { display: flex; align-items: center; gap: 8px; }
.ghost-btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: #6e6456;
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 11px;
}
.ghost-btn:hover { border-color: var(--zhu); color: var(--zhu); }
.ghost-btn.sm { padding: 5px 9px; font-size: 10px; }
.admin-chip { font-size: 10px; color: var(--muted); border: 1px dashed #d4c6b1; padding: 4px 9px; border-radius: 999px; }

.content { padding: 24px 32px 50px; max-width: 1280px; width: 100%; }

/* --------------------------------- cards --------------------------------- */

.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute;
  right: -20px; top: -24px;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(163, 45, 45, 0.06), transparent 70%);
}
.stat-label { font-size: 10px; color: var(--muted); letter-spacing: 1px; }
.stat-value { font-size: 30px; font-weight: 600; color: var(--ink); margin-top: 4px; line-height: 1.2; font-family: "Songti SC", serif; }
.stat-value.zhu { color: var(--zhu); }
.stat-foot { font-size: 10px; color: var(--muted); margin-top: 4px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin-top: 16px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-title { font-size: 15px; letter-spacing: 2px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-title::before { content: ""; width: 3px; height: 14px; background: var(--zhu); border-radius: 2px; display: inline-block; }
.card-sub { font-size: 10.5px; color: var(--muted); line-height: 1.7; }

.section-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: #7a6e5b;
  margin: 24px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--zhu); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 10.5px; color: #5d5142; letter-spacing: 0.5px; display: flex; gap: 5px; align-items: center; }
.field .hint { font-size: 9.5px; color: #a3967f; line-height: 1.5; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbf8f0;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 12px;
  color: var(--ink);
}
.field textarea { min-height: 92px; resize: vertical; line-height: 1.6; }
.field textarea.code { font-family: Menlo, monospace; font-size: 10px; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 1px solid rgba(163, 45, 45, 0.3); border-color: var(--zhu); }

.inline-field { display: flex; align-items: center; gap: 8px; }
.inline-field input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--zhu); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 9.5px;
  background: #f1eadb;
  color: #7a6e5b;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.badge.ok { background: #e8f2e9; color: var(--green); }
.badge.warn { background: #fbefdc; color: var(--orange); }
.badge.bad { background: #fbe8e5; color: var(--zhu); }
.badge.info { background: #e9eef4; color: #3d5a76; }
.badge.dark { background: #3a332c; color: #f0e2c8; }

.btn-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 16px; }
.btn-row .spacer { flex: 1; }

.ghost-btn.danger { color: var(--zhu); border-color: #ecc9c1; background: #fff6f4; }
.ghost-btn.ok { color: var(--green); border-color: #cfe2d3; background: #f4faf5; }

.banner {
  padding: 12px 14px;
  border-radius: 9px;
  font-size: 11px;
  line-height: 1.75;
  margin-bottom: 14px;
  border: 1px solid #ecd9b7;
  background: #fdf6e8;
  color: #7c5f24;
}
.banner.info { border-color: #d8e1ea; background: #f2f6fa; color: #3d5a76; }
.banner.danger { border-color: #ecc9c1; background: #fdf1ef; color: #8e2b2b; }
.banner.ok { border-color: #cfe2d3; background: #f2f9f3; color: #2f6b40; }

table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
th { text-align: left; font-weight: 500; color: var(--muted); font-size: 10px; letter-spacing: 1px; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px dashed #efe6d6; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: Menlo, monospace; font-size: 10.5px; }
td .mono { font-size: 10px; color: var(--muted); }
.empty-row { text-align: center; color: var(--muted); padding: 26px; font-size: 11px; }

.split-bar { display: flex; height: 10px; border-radius: 5px; overflow: hidden; background: #f0e7d8; margin-top: 8px; }
.split-bar i { display: block; height: 100%; }
.split-master { background: #a32d2d; }
.split-witness { background: #b08a3e; }
.split-platform { background: #4a4036; }
.split-legend { display: flex; gap: 14px; font-size: 9.5px; color: var(--muted); margin-top: 6px; flex-wrap: wrap; }
.split-legend span::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 2px; margin-right: 4px; vertical-align: middle; }
.lg-master::before { background: #a32d2d; }
.lg-witness::before { background: #b08a3e; }
.lg-platform::before { background: #4a4036; }

.secret-state { display: flex; gap: 6px; align-items: center; font-size: 9.5px; color: var(--muted); }
.secret-state .dot { width: 6px; height: 6px; border-radius: 50%; background: #c9b795; }
.secret-state.on .dot { background: var(--green); }
.secret-state .mono { color: #7a6e5b; }

.check-list { display: flex; flex-direction: column; gap: 6px; }
.check-item { display: flex; align-items: flex-start; gap: 8px; padding: 8px 10px; border-radius: 6px; background: #fbf8f0; border: 1px solid #efe6d6; font-size: 11px; }
.check-item .mark { width: 15px; height: 15px; border-radius: 50%; display: grid; place-items: center; font-size: 9px; flex-shrink: 0; margin-top: 1px; }
.check-item.ok .mark { background: #e8f2e9; color: var(--green); }
.check-item.bad .mark { background: #fbe8e5; color: var(--zhu); }
.check-item.warning .mark { background: #fbefdc; color: var(--orange); }
.check-item.info .mark { background: #e9eef4; color: #3d5a76; }
.check-item .msg { color: var(--muted); font-size: 10px; line-height: 1.6; }
.check-item .name { font-weight: 600; }

.overview-cols { display: grid; grid-template-columns: 1.25fr 1fr; gap: 16px; align-items: start; }
.quick-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.json-box { font-family: Menlo, monospace; font-size: 9.5px; background: #fbf8f0; border: 1px solid var(--line); border-radius: 6px; padding: 10px; max-height: 160px; overflow: auto; white-space: pre-wrap; word-break: break-all; color: #6e6456; }

.toast {
  position: fixed;
  right: 26px;
  bottom: 26px;
  background: #2c2c2a;
  color: #f7f4ec;
  padding: 11px 17px;
  border-radius: 8px;
  font-size: 12px;
  opacity: 0;
  transform: translateY(10px);
  transition: 0.2s ease;
  pointer-events: none;
  z-index: 300;
  max-width: 420px;
  line-height: 1.6;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: #7e1f1f; }
.toast.ok { background: #2f5d3b; }

.loading { padding: 60px; text-align: center; color: var(--muted); font-size: 12px; letter-spacing: 2px; }

@media (max-width: 980px) {
  .sidebar { position: static; width: 100%; height: auto; flex-direction: row; flex-wrap: wrap; gap: 10px; padding: 14px; }
  .side-brand { border-bottom: 0; padding: 0; }
  .side-nav { flex-direction: row; flex-wrap: wrap; margin-top: 0; flex: 1 0 100%; }
  .side-nav button { padding: 7px 9px; }
  .side-foot { flex: 1 0 100%; flex-direction: row; align-items: center; border-top: 1px solid #3a332c; padding-top: 8px; }
  .side-logout { margin-top: 0; margin-left: auto; padding: 5px 10px; }
  .app { flex-direction: column; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overview-cols { grid-template-columns: 1fr; }
  .content { padding: 18px; }
  .main-head { padding: 18px; position: static; }
}

@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2, .form-grid, .form-grid.three { grid-template-columns: 1fr; }
  .main-title { font-size: 20px; }
}