/* AI 自动化管理平台 — 深色科技感 UI（无外部依赖，全部本地） */
:root {
  --bg: #0a0e17;
  --bg-soft: #0e1422;
  --card: #131a2a;
  --card-border: #1f2a44;
  --text: #e6edf7;
  --text-dim: #8b98ad;
  --accent: #22d3ee;
  --accent-blue: #3b82f6;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --accent-red: #f87171;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ---------- 顶部栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: rgba(10, 14, 23, 0.92);
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  color: #06121f; font-size: 19px; font-weight: 800;
}
.brand small { color: var(--text-dim); font-weight: 400; font-size: 12px; }
.topnav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.topnav a, .topnav button.navlink {
  color: var(--text-dim); padding: 7px 12px; border-radius: 8px;
  font-size: 14px; background: none; border: none; cursor: pointer;
}
.topnav a:hover, .topnav button.navlink:hover { color: var(--text); background: var(--card); text-decoration: none; }
.topnav a.active, .topnav button.navlink.active { color: var(--accent); background: rgba(34, 211, 238, 0.12); }

/* ---------- 布局 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px; }
.hero { padding: 44px 0 8px; }
.hero h1 { font-size: 38px; line-height: 1.25; margin: 0 0 12px; }
.hero h1 .grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { color: var(--text-dim); font-size: 16px; max-width: 640px; margin: 0 0 20px; }

.btn {
  display: inline-block; padding: 11px 22px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer; font-size: 15px; font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  color: #06121f;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; border-color: var(--card-border); color: var(--text); }
.btn.danger { background: transparent; border-color: var(--accent-red); color: var(--accent-red); }
.btn.small { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ---------- 状态徽标 ---------- */
.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: rgba(52, 211, 153, 0.12); color: var(--accent-green);
  border: 1px solid rgba(52, 211, 153, 0.35);
}
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-green); }
.status-pill.down { background: rgba(248, 113, 113, 0.12); color: var(--accent-red); border-color: rgba(248, 113, 113, 0.35); }
.status-pill.down .dot { background: var(--accent-red); }
.status-pill.checking { background: rgba(251, 191, 36, 0.12); color: var(--accent-amber); border-color: rgba(251, 191, 36, 0.35); }
.status-pill.checking .dot { background: var(--accent-amber); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 28px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 20px;
}
.card h2, .card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--text-dim); font-size: 14px; }
.card .icon { font-size: 26px; margin-bottom: 10px; }
.card .big { font-size: 30px; font-weight: 800; line-height: 1.2; }
.card .label { color: var(--text-dim); font-size: 13px; }
.card .sub { color: var(--text-dim); font-size: 12px; margin-top: 6px; }
.card.accent-border { border-color: rgba(34, 211, 238, 0.45); }

/* ---------- 进度条 ---------- */
.bar { height: 8px; background: #0b1220; border-radius: 999px; overflow: hidden; margin-top: 10px; }
.bar > i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-blue)); transition: width 0.4s ease; }
.bar > i.warn { background: linear-gradient(90deg, var(--accent-amber), #f97316); }
.bar > i.bad { background: linear-gradient(90deg, var(--accent-red), #ef4444); }

/* ---------- 表单 ---------- */
.form { display: flex; flex-direction: column; gap: 12px; max-width: 420px; }
.form label { font-size: 14px; color: var(--text-dim); display: flex; flex-direction: column; gap: 6px; }
input, select, textarea {
  background: var(--bg-soft); border: 1px solid var(--card-border);
  color: var(--text); border-radius: 10px; padding: 11px 12px; font-size: 15px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 74px; }
.error { color: var(--accent-red); font-size: 14px; min-height: 20px; }
.ok-msg { color: var(--accent-green); font-size: 14px; }

/* ---------- 任务列表 ---------- */
.task { border: 1px solid var(--card-border); border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; background: var(--bg-soft); }
.task .row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.task .title { font-weight: 700; flex: 1; min-width: 140px; }
.task .desc { color: var(--text-dim); font-size: 13px; margin-top: 6px; word-break: break-word; }
.task .meta { color: var(--text-dim); font-size: 12px; margin-top: 6px; }
.task .actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.task select { width: auto; padding: 7px 9px; font-size: 13px; }
.task input.result-input { flex: 1; min-width: 160px; padding: 7px 9px; font-size: 13px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.pending { background: rgba(251, 191, 36, 0.14); color: var(--accent-amber); }
.badge.running { background: rgba(59, 130, 246, 0.16); color: #60a5fa; }
.badge.done { background: rgba(52, 211, 153, 0.14); color: var(--accent-green); }
.badge.failed { background: rgba(248, 113, 113, 0.14); color: var(--accent-red); }

/* ---------- 日志 ---------- */
.log-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.log-table th, .log-table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--card-border); vertical-align: top; }
.log-table th { color: var(--text-dim); font-weight: 600; }
.log-table td.msg { word-break: break-word; }
.log-level { font-weight: 700; }
.log-level.info { color: var(--accent); }
.log-level.warning { color: var(--accent-amber); }
.log-level.error { color: var(--accent-red); }
.table-wrap { overflow-x: auto; }

/* ---------- 登录页 ---------- */
.login-wrap { max-width: 420px; margin: 60px auto 0; }
.login-wrap .card { padding: 28px; }
.login-wrap h1 { font-size: 22px; margin: 0 0 6px; }
.login-wrap p { color: var(--text-dim); font-size: 14px; margin: 0 0 20px; }

/* ---------- 其他 ---------- */
.section { margin-top: 28px; }
.section h2 { font-size: 20px; margin: 0 0 14px; }
.muted { color: var(--text-dim); font-size: 14px; }
.footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--card-border); color: var(--text-dim); font-size: 13px; }
.hidden { display: none !important; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar select { width: auto; padding: 8px 10px; font-size: 14px; }

/* ---------- 响应式：手机单列 ---------- */
@media (max-width: 768px) {
  .topbar { padding: 12px 16px; flex-wrap: wrap; }
  .brand { font-size: 16px; }
  .topnav { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
  .topnav a, .topnav button.navlink { white-space: nowrap; }
  .container { padding: 20px 16px 48px; }
  .hero { padding: 24px 0 4px; }
  .hero h1 { font-size: 27px; }
  .hero p { font-size: 15px; }
  .grid, .grid.cols-4 { grid-template-columns: 1fr; }
  .login-wrap { margin-top: 32px; }
  .card .big { font-size: 26px; }
}