:root {
  --bg: #f6f6f3;
  --surface: #ffffff;
  --surface-2: #fafaf8;
  --text: #1b1b19;
  --muted: #6d6d67;
  --faint: #9a9a94;
  --line: #e3e2dd;
  --line-strong: #cfcec8;
  --accent: #26694a;
  --accent-hover: #1e5539;
  --accent-soft: #eaf3ee;
  --danger: #a8322a;
  --danger-soft: #fbeeec;
  --ok: #2f8a4e;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; }
p { margin: 0; }
a { color: var(--accent); text-decoration: none; }

.mono {
  font-family: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  font-size: 12.5px;
}

/* ── 登录页 ── */

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 348px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 28px 28px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.logo-dot {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.login-card h1 { font-size: 19px; margin-bottom: 4px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 22px; }

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  padding: 9px 11px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
}

input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 13.5px;
  font-family: inherit;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background .12s, border-color .12s;
  white-space: nowrap;
}

.btn:hover { background: var(--surface-2); border-color: var(--faint); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-block { width: 100%; }
.btn-sm { padding: 5px 11px; font-size: 12.5px; }
.btn-danger { color: var(--danger); border-color: #e4c4c0; }
.btn-danger:hover { background: var(--danger-soft); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.err {
  min-height: 20px;
  color: var(--danger);
  font-size: 12.5px;
  margin-top: 10px;
}

/* ── 控制台 ── */

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-title { font-size: 14.5px; font-weight: 600; }

.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-right .who { color: var(--muted); font-size: 12.5px; }

.link-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
}
.link-btn:hover { color: var(--text); }

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.section { margin-bottom: 24px; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-title { font-size: 13.5px; font-weight: 600; }
.section-hint { font-size: 12.5px; color: var(--faint); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card-pad { padding: 18px 20px; }

/* 概览数字 */

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
}

.stat-label { font-size: 12px; color: var(--muted); }
.stat-value { font-size: 24px; font-weight: 600; line-height: 1.25; margin-top: 2px; }
.stat-value small { font-size: 13px; font-weight: 400; color: var(--faint); margin-left: 4px; }

/* 设备 */

.agent-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.agent-tab {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-size: 13px;
  font-family: inherit;
  color: var(--muted);
  cursor: pointer;
}

.agent-tab.active {
  background: var(--accent-soft);
  border-color: #b9d5c6;
  color: var(--accent);
  font-weight: 500;
}

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: 1px;
}
.dot-on { background: var(--ok); }
.dot-off { background: var(--line-strong); }

/* 命令块 */

.cmd-block {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: #1f2320;
  border-radius: 8px;
  overflow: hidden;
}

.cmd-block code {
  flex: 1;
  padding: 12px 14px;
  color: #d7e8dc;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 12.5px;
  white-space: nowrap;
  overflow-x: auto;
  line-height: 1.5;
}

.cmd-block button {
  border: none;
  background: #2c332e;
  color: #cfe3d6;
  padding: 0 16px;
  font-family: inherit;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
}
.cmd-block button:hover { background: #39423b; }

/* 表格 */

.table { width: 100%; border-collapse: collapse; }

.table th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--faint);
  text-transform: none;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  white-space: nowrap;
}

.table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface-2); }

.t-name { font-weight: 500; }
.t-sub { font-size: 12px; color: var(--faint); margin-top: 1px; }

.addr {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 12.5px;
  color: var(--text);
}

.addr button {
  border: none;
  background: none;
  padding: 2px 6px;
  font-size: 11.5px;
  color: var(--faint);
  cursor: pointer;
  border-radius: 4px;
  font-family: inherit;
}
.addr button:hover { background: var(--accent-soft); color: var(--accent); }

.tag {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 4px;
  font-size: 11.5px;
  font-family: "SF Mono", Consolas, monospace;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--muted);
}

.status { font-size: 12.5px; white-space: nowrap; }
.status-on { color: var(--ok); }
.status-off { color: var(--faint); }
.status-warn { color: #b06f10; }

.row-actions { display: flex; gap: 4px; justify-content: flex-end; }

.icon-btn {
  border: 1px solid transparent;
  background: none;
  padding: 4px 8px;
  font-size: 12.5px;
  font-family: inherit;
  color: var(--muted);
  border-radius: 6px;
  cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--line); color: var(--text); }
.icon-btn.danger:hover { color: var(--danger); border-color: #e4c4c0; background: var(--danger-soft); }

/* 空状态 */

.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
}
.empty p + p { margin-top: 6px; font-size: 12.5px; color: var(--faint); }

/* 服务器信息 */

.kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px 16px;
  font-size: 13px;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* 弹窗 */

.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(20, 22, 20, .38);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border-radius: 14px;
  overflow: hidden;
}

.modal-head {
  padding: 18px 22px 0;
  font-size: 15px;
  font-weight: 600;
}

.modal-body { padding: 18px 22px; }

.modal-foot {
  padding: 0 22px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.form-error {
  color: var(--danger);
  font-size: 12.5px;
  min-height: 18px;
  margin-top: 4px;
}

.help {
  font-size: 12px;
  color: var(--faint);
  margin-top: 5px;
  line-height: 1.5;
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

/* 提示条 */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: #23281f;
  color: #e8f0e9;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s;
  z-index: 200;
}
.toast.show { opacity: 1; }

@media (max-width: 720px) {
  .page { padding: 16px; }
  .topbar-inner { padding: 0 16px; }
  .stats { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
  .table th, .table td { padding: 10px 8px; }
}