/* 暗金书卷：配色与字体来自设计参考文档；字体只用本机自带，不从公网加载 */
:root {
  --bg: #0c0e12;
  --surface: #14171e;
  --surface2: #1a1e28;
  --border: #252a35;
  --border-light: #333a48;
  --text: #d4d8e0;
  --dim: #6b7280;
  --accent: #c9a55a;
  --accent-dim: #9e7c34;
  --danger: #e05252;
  --ok: #6fb07f;
  --radius: 6px;
  --serif: "Noto Serif SC", "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.7;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 600px 400px at 20% 30%, rgba(201, 165, 90, .06), transparent),
    radial-gradient(ellipse 500px 500px at 80% 70%, rgba(100, 120, 180, .05), transparent);
  background-attachment: fixed;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dim); text-decoration: underline; }

code, .mono, pre { font-family: var(--mono); font-size: 13px; }
code { background: var(--surface2); padding: 1px 6px; border-radius: 4px; border: 1px solid var(--border); }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }

/* 顶栏：毛玻璃 */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(12, 14, 18, .85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { color: var(--accent); font-size: 17px; letter-spacing: .02em; }
.brand:hover { text-decoration: none; color: var(--accent); }

main.wrap { padding-top: 28px; padding-bottom: 64px; }

/* 卡片 */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}
.card-head h1, .card-head h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: .01em; }
.card-body { padding: 20px; }
.card-body.no-pad { padding: 0; }
.card-body h3 { font-size: 15px; margin: 24px 0 10px; }
.card-body p { margin: 0 0 12px; }
.push-right { margin-left: auto; }

/* 标签、状态点 */
.tag {
  font-size: 12px; line-height: 1;
  padding: 4px 8px; border-radius: 999px;
  border: 1px solid var(--border-light); color: var(--dim);
}
.tag-ok { color: var(--ok); border-color: rgba(111, 176, 127, .45); }
.tag-warn { color: var(--accent); border-color: rgba(201, 165, 90, .5); }
.dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--border-light); margin-right: 8px; vertical-align: 1px;
}
.dot.on { background: var(--ok); box-shadow: 0 0 6px rgba(111, 176, 127, .6); }

.dim { color: var(--dim); }
.small { font-size: 12px; }
.hint { color: var(--dim); font-size: 13px; }
.hint.pad { padding: 12px 20px; margin: 0; }
.error-text { color: var(--danger); }
.empty { padding: 28px 20px; color: var(--dim); margin: 0; }
.back { margin: 0 0 16px; }

/* 键值表 */
.kv { display: grid; grid-template-columns: 96px 1fr; gap: 10px 16px; margin: 0; }
.kv dt { color: var(--dim); }
.kv dd { margin: 0; word-break: break-all; }
.kv dd .btn-sm { margin-left: 8px; vertical-align: 1px; }
.kv dd small { display: block; color: var(--dim); font-size: 12px; margin-top: 4px; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 13px; color: var(--dim); }
.field small { color: var(--dim); font-size: 12px; }
.span-2 { grid-column: 1 / -1; }
.form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; }
.inline { display: inline; }
.inline-form { display: inline-flex; gap: 8px; align-items: center; max-width: 100%; }
.inline-form input { width: 260px; max-width: 100%; }

input[type=text], input[type=number] {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-family: inherit; font-size: 14px;
  transition: border-color .15s;
}
input.mono { font-family: var(--mono); font-size: 13px; }
input:focus { outline: none; border-color: var(--accent); }
input::placeholder { color: var(--dim); }

/* 按钮 */
.btn {
  display: inline-block;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 8px 16px;
  font-family: inherit; font-size: 14px; line-height: 1.3;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color .15s, background-color .15s, color .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #1a1408; border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); color: #1a1408; }
.btn-danger { color: var(--danger); border-color: rgba(224, 82, 82, .5); }
.btn-danger:hover { color: var(--danger); border-color: var(--danger); background: rgba(224, 82, 82, .08); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 8px; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table.hosts { width: 100%; border-collapse: collapse; }
table.hosts th, table.hosts td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
table.hosts th { color: var(--dim); font-weight: normal; font-size: 13px; background: var(--surface2); }
table.hosts tbody tr:last-child td { border-bottom: none; }
table.hosts tr.disabled td { color: var(--dim); }
table.hosts td.actions { white-space: nowrap; text-align: right; }
table.hosts td.actions .btn { margin-left: 4px; }

/* 代码块 */
.code-block { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin: 12px 0; }
.code-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: var(--surface2); border-bottom: 1px solid var(--border); }
.code-block pre { margin: 0; padding: 14px 16px; background: var(--bg); overflow-x: auto; white-space: pre; line-height: 1.6; }

/* 提示条 */
.flashes { margin-bottom: 20px; }
.flash { padding: 10px 14px; border-radius: var(--radius); border: 1px solid var(--border-light); margin-bottom: 8px; font-size: 14px; }
.flash-ok { border-color: rgba(111, 176, 127, .45); color: var(--ok); }
.flash-error { border-color: rgba(224, 82, 82, .5); color: var(--danger); }
.notice { padding: 12px 14px; border-radius: var(--radius); border: 1px solid var(--border-light); margin-bottom: 14px; font-size: 14px; }
.notice-warn { border-color: rgba(201, 165, 90, .5); background: rgba(201, 165, 90, .06); }

/* 登录 */
.login-wrap { display: flex; justify-content: center; padding-top: 8vh; }
.login-card { width: 100%; max-width: 380px; }
.login-card .card-body { padding: 24px; }
.code-input { font-size: 22px; letter-spacing: .28em; text-align: center; padding: 12px; }

/* 复制反馈 */
.btn[data-copied] { color: var(--ok); border-color: rgba(111, 176, 127, .45); }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: 4px; }
  .kv dt { margin-top: 8px; }
  .inline-form { flex-wrap: wrap; }
  table.hosts td.actions { white-space: normal; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}