:root {
  --bg: #0e1116;
  --bg2: #161b22;
  --bg3: #1c232c;
  --border: #2a313c;
  --text: #e6edf3;
  --text2: #9aa6b2;
  --primary: #2f81f7;
  --primary-h: #4a93f9;
  --danger: #f85149;
  --ok: #3fb950;
  --warn: #d29922;
  --radius: 10px;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
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;
  overflow: hidden;
}
.hidden { display: none !important; }

/* ---- 登录 ---- */
.view { height: 100%; }
#loginView { display: flex; align-items: center; justify-content: center; }
.login-card {
  width: 380px; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 36px 32px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.logo { text-align: center; margin-bottom: 24px; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #7b5cff);
  color: #fff; font-weight: 800; font-size: 18px; letter-spacing: 1px;
  box-shadow: 0 8px 24px rgba(47,129,247,.4);
}
.logo-mark.sm { width: 30px; height: 30px; border-radius: 8px; font-size: 11px; }
.logo h1 { font-size: 22px; margin-top: 12px; }
.logo .sub { color: var(--text2); margin-top: 4px; font-size: 13px; }
.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 6px; color: var(--text2); font-size: 12px; }
.field input, .field select {
  width: 100%; background: var(--bg3); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 8px; font-size: 14px; outline: none;
}
.field input:focus, .field select:focus { border-color: var(--primary); }
.field.row { display: flex; gap: 8px; }
.hint { color: var(--text2); font-size: 12px; margin-top: 14px; line-height: 1.6; }

/* ---- 按钮 ---- */
.btn {
  background: var(--bg3); color: var(--text); border: 1px solid var(--border);
  padding: 9px 16px; border-radius: 8px; cursor: pointer; font-size: 14px; transition: .15s;
}
.btn:hover { border-color: var(--text2); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-h); }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 10px; font-size: 12px; }
.btn.block { width: 100%; }

/* ---- 顶栏 ---- */
.topbar {
  height: 52px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; background: var(--bg2); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.top-right { display: flex; align-items: center; gap: 16px; }
.account { color: var(--text2); }
.status-line { color: var(--text2); display: inline-flex; align-items: center; gap: 6px; }
.status { font-weight: 600; }
.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }
.status.err { color: var(--danger); }

/* ---- 布局 ---- */
.layout { display: flex; height: calc(100% - 52px); }
.sidebar {
  width: 340px; flex-shrink: 0; padding: 16px; overflow-y: auto;
  background: var(--bg); border-right: 1px solid var(--border);
}
.panel { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.panel-head h3 { font-size: 13px; font-weight: 600; }
.panel { padding: 0; }
.panel > .field, .panel > .btn, .panel > .code, .panel > .device-list { margin: 0; }
.panel .device-list { padding: 10px; }
.panel .field, .panel .btn, .panel .code { padding: 10px 14px; }

/* ---- 设备卡片 ---- */
.device-list { display: flex; flex-direction: column; gap: 8px; }
.device-card {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
}
.device-card:hover { border-color: var(--primary); }
.dc-name { font-weight: 600; }
.dc-meta { color: var(--text2); font-size: 12px; margin-top: 2px; }
.dc-right { display: flex; align-items: center; gap: 8px; }
.dc-state { font-size: 12px; color: var(--text2); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text2); }
.dot.on { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot.off { background: var(--danger); }
.empty { color: var(--text2); font-size: 13px; text-align: center; padding: 20px 8px; line-height: 1.6; }

/* ---- 远程面板 ---- */
.remote-panel { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.toolbar {
  height: 48px; display: flex; align-items: center; gap: 12px; padding: 0 16px;
  background: var(--bg2); border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.meta { color: var(--text2); font-size: 12px; }
.meta b { color: var(--text); }
.sep { width: 1px; height: 20px; background: var(--border); }
.spacer { flex: 1; }
.file-group { display: flex; align-items: center; gap: 6px; }
.file-group input { width: 160px; background: var(--bg3); border: 1px solid var(--border); color: var(--text); padding: 6px 8px; border-radius: 6px; font-size: 12px; }
.progress { color: var(--warn); font-size: 12px; min-width: 80px; }

.screen-wrap {
  flex: 1; position: relative; background: #000; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
#screenCanvas {
  max-width: 100%; max-height: 100%; width: auto; height: auto;
  background: #000; outline: none; display: none;
}
.remote-panel.active #screenCanvas { display: block; }
.remote-panel.active .screen-placeholder { display: none; }
.screen-placeholder {
  position: absolute; color: var(--text2); font-size: 15px; text-align: center; padding: 20px;
}

/* ---- 代码块 ---- */
.code {
  background: #000; color: #b3e5a0; border-radius: 8px; padding: 12px;
  font-family: var(--mono); font-size: 11px; line-height: 1.6; white-space: pre-wrap; word-break: break-all;
  max-height: 160px; overflow: auto;
}

/* ---- toast ---- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg3); border: 1px solid var(--border); color: var(--text);
  padding: 12px 20px; border-radius: 10px; font-size: 14px; opacity: 0; pointer-events: none;
  transition: .25s; z-index: 1000; box-shadow: 0 8px 30px rgba(0,0,0,.5);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.info { border-color: var(--primary); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }