:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --danger: #f85149;
  --ok: #3fb950;
  --warn: #d29922;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.hidden { display: none !important; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 20px; margin: 16px 4px; }
h2 { font-size: 15px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.btn {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
  display: inline-block;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: #1f6feb; border-color: #1f6feb; color: #fff; }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: rgba(248, 81, 73, 0.12); }

/* 登录页 */
#login-view {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px 36px;
  width: 320px;
  text-align: center;
}
.login-card h1 { margin: 0 0 4px; }
.login-card input {
  width: 100%;
  margin: 8px 0;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
}
.login-card button {
  width: 100%;
  margin-top: 12px;
  padding: 10px;
  background: #1f6feb;
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}
#login-msg { margin-top: 10px; min-height: 18px; font-size: 13px; }

/* 顶栏 */
#main-view { display: flex; flex-direction: column; height: 100%; }
.topbar {
  display: flex;
  align-items: center;
  padding: 0 20px;
  height: 48px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  gap: 24px;
}
.topbar .brand { font-weight: 700; font-size: 16px; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--text); opacity: 0.8; }
.topbar nav a:hover { opacity: 1; }
.topbar .user { display: flex; align-items: center; gap: 10px; }
#page { flex: 1; overflow: auto; padding: 0 20px 24px; }

/* 卡片与网格 */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin: 8px 0;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
  margin: 8px 0;
}
.grid .card { margin: 0; }
.grid canvas { width: 100%; height: 160px; display: block; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
th { color: var(--muted); font-weight: 600; }
td .btn { margin-right: 6px; padding: 4px 10px; }

/* 远程控制 */
.remote-head { display: flex; align-items: center; gap: 16px; }
.remote-head h1 { margin: 16px 0; }
.toolbar {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  margin: 8px 0;
  flex-wrap: wrap;
}
.toolbar label { display: flex; align-items: center; gap: 6px; }
.toolbar input[type="checkbox"] { accent-color: var(--accent); width: auto; cursor: pointer; }
.toolbar input[type="range"] { width: 120px; }
.toolbar select, .toolbar input[type="text"], .toolbar input[type="search"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 8px;
  font-size: 13px;
}
.toolbar select:focus, .toolbar input[type="text"]:focus {
  border-color: var(--accent);
  outline: none;
}
.remote-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 8px;
  height: 50vh;
  min-height: 260px;
}
#remote-canvas { max-width: 100%; max-height: 100%; cursor: crosshair; }
#remote-canvas.view-only { cursor: default; opacity: 0.92; }

/* 操控 / 仅查看 分段切换按钮 */
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg .seg-btn {
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  padding: 6px 14px;
}
.seg .seg-btn.active { background: #1f6feb; border-color: #1f6feb; color: #fff; }

/* Windows 日志分页 */
.pager {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0;
}
.pager .btn:disabled { opacity: 0.45; cursor: default; }
.pager-info { color: var(--muted); font-size: 13px; }
.search-box input { width: 240px; }

/* 键盘记录 */
.kl-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.kl-head h2 { margin: 0; }

/* 屏幕录像 */
.rec-layout { display: grid; grid-template-columns: 1fr 300px; gap: 14px; }
@media (max-width: 900px) { .rec-layout { grid-template-columns: 1fr; } }
.rec-stage {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 8px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.rec-stage img { max-width: 100%; max-height: 60vh; }
.rec-progress { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.rec-progress input[type="range"] { flex: 1; accent-color: var(--accent); cursor: pointer; }
.rec-times {
  color: var(--muted);
  font-size: 12px;
  font-family: Consolas, "Courier New", monospace;
  white-space: nowrap;
}
.rec-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.rec-controls select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 4px 6px;
  font-size: 13px;
}
.rec-side h2 { margin-bottom: 8px; }
.rec-events { max-height: 420px; overflow: auto; }
.rec-event {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 6px;
  border-bottom: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
.rec-event:hover { background: rgba(255, 255, 255, 0.05); }
.rec-event.active { background: rgba(88, 166, 255, 0.12); outline: 1px solid var(--accent); }
.rec-event img {
  width: 72px;
  height: 44px;
  object-fit: cover;
  border-radius: 4px;
  background: #000;
  flex: none;
}
.rec-event .ev-info { font-size: 12px; line-height: 1.5; overflow: hidden; }
.rec-event .ev-time { color: var(--muted); }
.keylog {
  background: #0a0e14;
  border: 1px solid var(--border);
  border-radius: 6px;
  height: 200px;
  overflow: auto;
  padding: 8px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  line-height: 1.6;
}
.kl-row { display: flex; gap: 10px; white-space: pre-wrap; word-break: break-all; }
.kl-time { color: var(--muted); flex: none; }
.kl-text { color: var(--text); }

/* 远程页双栏面板 */
.remote-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 12px 0;
}
@media (max-width: 900px) { .remote-panels { grid-template-columns: 1fr; } }
.remote-panels .card { margin: 0; }
#proc-table2 td .btn { padding: 3px 8px; }
.console {
  background: #0a0e14;
  border: 1px solid var(--border);
  border-radius: 6px;
  height: 180px;
  overflow: auto;
  padding: 8px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.5;
}
.exec-bar { display: flex; gap: 8px; margin-top: 8px; }
.exec-bar input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px;
  font-family: Consolas, "Courier New", monospace;
}
.clip-bar { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; align-items: center; }

/* 屏幕墙 */
.wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}
.wall-tile {
  position: relative;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
}
.wall-tile:hover { border-color: var(--accent); }
.wall-tile canvas { display: block; width: 100%; height: 160px; }
.wall-label {
  position: absolute;
  top: 6px;
  left: 8px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  z-index: 2;
}

/* 仪表盘：磁盘与网卡 */
.disk-row { display: flex; align-items: center; gap: 10px; margin: 6px 0; }
.disk-name { width: 150px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar { flex: 1; height: 10px; background: rgba(255, 255, 255, 0.08); border-radius: 5px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); }
.bar-fill.warn { background: var(--warn); }
.disk-pct { width: 190px; text-align: right; color: var(--muted); font-size: 12px; }
.net-row { display: flex; gap: 12px; padding: 4px 0; font-size: 13px; }
.net-row span:first-child { width: 220px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 文件管理 */
#f-crumb { padding: 6px 2px 10px; font-size: 13px; word-break: break-all; }
#f-crumb a { color: var(--accent); }
.f-open { color: var(--text); }
#f-table td .btn { margin-right: 6px; padding: 3px 8px; }

/* Tab 切换 */
.tab-btn.active { border-color: var(--accent); color: var(--accent); }

/* 用户管理 */
.user-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.user-form input[type="text"], .user-form input[type="password"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px;
  width: 150px;
}
.user-form label { display: flex; align-items: center; gap: 4px; }
#user-table2 td .btn { margin-right: 4px; padding: 3px 8px; }