/* 牛牛 · ZTNA 控制中心 — Karing 深色卡片视觉标准（方案第 4 章） */
:root {
  --bg: #121212;
  --card: #1E1E1E;
  --card2: #242424;
  --border: #2E2E2E;
  --text: #E8E8E8;
  --text-dim: #9E9E9E;
  --accent: #FF4D6D;
  --accent2: #5B8CFF;
  --ok: #34C759;
  --warn: #FF9F0A;
  --danger: #FF453A;
  --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
}
#app { display: flex; min-height: 100vh; }

/* 侧栏 */
#sidebar {
  width: 232px; background: #161616; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; inset: 0 auto 0 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 22px 18px 18px; }
.brand-logo { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; border: 2px solid var(--accent); }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: 1px; }
.brand-sub { font-size: 11px; color: var(--text-dim); }
#nav { flex: 1; padding: 8px 12px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 12px;
  color: var(--text-dim); text-decoration: none; margin-bottom: 4px; transition: all .15s;
}
.nav-item svg { width: 18px; height: 18px; fill: currentColor; flex: none; }
.nav-item:hover { background: var(--card); color: var(--text); }
.nav-item.active { background: linear-gradient(90deg, rgba(255,77,109,.16), rgba(91,140,255,.10)); color: var(--accent); font-weight: 600; }
.sidebar-foot { padding: 16px; border-top: 1px solid var(--border); }
#me-box { font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }

/* 主区 */
#main { margin-left: 232px; flex: 1; padding: 28px 32px; max-width: 1280px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; flex-wrap: wrap; gap: 12px; }
.page-title { font-size: 22px; font-weight: 700; }
.page-sub { color: var(--text-dim); font-size: 12px; margin-top: 2px; }

/* 卡片 */
.card { background: var(--card); border-radius: var(--radius); padding: 20px; border: 1px solid var(--border); margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; }

/* 统计卡 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--card); border-radius: var(--radius); padding: 18px; border: 1px solid var(--border); }
.stat .num { font-size: 26px; font-weight: 800; margin-top: 4px; }
.stat .label { color: var(--text-dim); font-size: 12px; }
.stat.ok .num { color: var(--ok); }
.stat.accent .num { color: var(--accent); }
.stat.blue .num { color: var(--accent2); }
.stat.warn .num { color: var(--warn); }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; color: var(--text-dim); font-weight: 600; font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid #262626; vertical-align: middle; }
tr:hover td { background: rgba(255,255,255,.02); }
.mono { font-family: "SF Mono", Consolas, monospace; font-size: 12px; }
.tbl-wrap { overflow-x: auto; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.ok { background: rgba(52,199,89,.15); color: var(--ok); }
.badge.warn { background: rgba(255,159,10,.15); color: var(--warn); }
.badge.danger { background: rgba(255,69,58,.15); color: var(--danger); }
.badge.blue { background: rgba(91,140,255,.15); color: var(--accent2); }
.badge.dim { background: #2A2A2A; color: var(--text-dim); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--card2); color: var(--text);
  cursor: pointer; font-size: 13px; transition: all .15s; text-decoration: none;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.1); color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 5px 10px; font-size: 12px; border-radius: 8px; }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* 表单 */
input, select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 13px; outline: none; transition: border .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
label { display: block; font-size: 12px; color: var(--text-dim); margin: 12px 0 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.muted { color: var(--text-dim); font-size: 12px; }

/* 模态 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: var(--card); border-radius: var(--radius); padding: 24px; width: 520px; max-width: 92vw; max-height: 86vh; overflow-y: auto; border: 1px solid var(--border); }
.modal h3 { margin-bottom: 6px; font-size: 17px; }

/* Toast */
#toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast-item { background: var(--card2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 18px; font-size: 13px; animation: fadeIn .2s; box-shadow: 0 6px 24px rgba(0,0,0,.4); }
.toast-item.err { border-color: var(--danger); color: var(--danger); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(1200px 500px at 70% -10%, rgba(255,77,109,.10), transparent), var(--bg); }
.login-card { width: 380px; background: var(--card); border-radius: 20px; padding: 36px; border: 1px solid var(--border); }
.login-logo { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; border: 3px solid var(--accent); display: block; margin: 0 auto 16px; }
.login-title { text-align: center; font-size: 22px; font-weight: 800; }
.login-sub { text-align: center; color: var(--text-dim); font-size: 12px; margin: 4px 0 22px; }

/* 空态/加载 */
.empty { text-align: center; color: var(--text-dim); padding: 40px 0; font-size: 13px; }
.loading { text-align: center; color: var(--text-dim); padding: 40px 0; }

/* 状态点 */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot.off { background: #555; }
.dot.warn { background: var(--warn); }

.kv { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed #262626; font-size: 13px; }
.kv .k { color: var(--text-dim); }
.copy-btn { cursor: pointer; color: var(--accent2); margin-left: 6px; font-size: 12px; }

@media (max-width: 900px) {
  #sidebar { transform: translateX(-100%); }
  #main { margin-left: 0; padding: 16px; }
}