/* os-web.css —— MBBM OS 云真机在线体验页外壳样式
 * 颜色令牌来自 theme.css(由 ui/tokens.json 生成, 跟随内核默认主题) —— 禁止硬编码颜色。
 */
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--os-font, -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif);
  background: var(--os-bg);
  color: var(--os-text);
  display: flex; flex-direction: column; min-height: 100vh;
}

/* ---------- 顶栏 ---------- */
.os-top {
  display: flex; align-items: center; gap: 14px; padding: 11px 20px;
  background: var(--os-bar);
  border-bottom: 1px solid var(--os-border-default);
  position: sticky; top: 0; z-index: 10;
}
.os-brand { display: flex; align-items: center; gap: 10px; }
.os-brand img { border-radius: 7px; display: block; }
.os-brand b { font-size: 16px; letter-spacing: .4px; }
.os-brand b span { color: var(--os-accent); }
.os-brand em {
  font-style: normal; font-size: 12px; color: var(--os-text-secondary);
  border-left: 1px solid var(--os-border-default); padding-left: 10px; margin-left: 2px;
}
.os-top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.os-chip {
  font-family: var(--os-mono, ui-monospace, Menlo, monospace); font-size: 11.5px;
  color: var(--os-text-secondary); border: 1px solid var(--os-border-default);
  border-radius: 999px; padding: 3px 10px;
}
.os-status {
  display: inline-flex; align-items: center; gap: 7px; font-size: 12px;
  color: var(--os-text-secondary); border: 1px solid var(--os-border-default);
  border-radius: 999px; padding: 4px 12px;
}
.os-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--os-muted); }
.os-status.ok .dot { background: #3ddc84; box-shadow: 0 0 8px rgba(61, 220, 132, .7); }
.os-status.err .dot { background: #ff5a5f; box-shadow: 0 0 8px rgba(255, 90, 95, .6); }
.os-status.ok { color: var(--os-text); }
.os-btn {
  font-size: 12px; padding: 5px 12px; border-radius: 999px; text-decoration: none;
  border: 1px solid var(--os-border-default); color: var(--os-text-secondary);
  transition: all .15s; cursor: pointer;
}
.os-btn.ghost:hover { border-color: var(--os-accent); color: var(--os-accent); }

/* ---------- 主体 ---------- */
.os-main {
  flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px; padding: 18px 20px; align-items: start;
}
@media (max-width: 1080px) { .os-main { grid-template-columns: minmax(0, 1fr); } }

/* ---------- 真机画面 ---------- */
.os-stage {
  background: var(--os-bg-elevated); border: 1px solid var(--os-border-default);
  border-radius: 14px; overflow: hidden; box-shadow: var(--os-shadow);
}
.os-screen {
  position: relative; width: 100%; aspect-ratio: 4 / 3; background: #000;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.os-screen canvas { display: block; width: 100%; height: 100%; object-fit: contain; }
.os-boot { position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px; background: var(--os-bg); z-index: 2; }
.os-boot .ring {
  width: 54px; height: 54px; border-radius: 50%;
  border: 3px solid var(--os-border-default); border-top-color: var(--os-accent);
  animation: osSpin 1.1s linear infinite;
}
@keyframes osSpin { to { transform: rotate(360deg); } }
.boot-word { font-size: 26px; font-weight: 800; letter-spacing: .6px; }
.boot-word b { color: var(--os-accent); }
.boot-sub { font-size: 12.5px; color: var(--os-text-secondary); font-family: var(--os-mono, ui-monospace, Menlo, monospace); }
.os-boot.hide { display: none; }
.os-stage-foot {
  display: flex; align-items: center; gap: 14px; padding: 9px 14px;
  font-size: 11.5px; color: var(--os-muted);
  border-top: 1px solid var(--os-border-default); font-family: var(--os-mono, ui-monospace, Menlo, monospace);
}
.os-stage-foot .os-hint { margin-left: auto; font-family: inherit; }
.os-stage-foot strong { color: var(--os-accent); font-weight: 600; }

/* ---------- 侧栏 ---------- */
.os-side { display: flex; flex-direction: column; gap: 14px; }
.os-card {
  background: var(--os-bg-elevated); border: 1px solid var(--os-border-default);
  border-radius: 12px; padding: 15px 16px;
}
.os-card h3 { margin: 0 0 8px; font-size: 13.5px; letter-spacing: .3px; }
.os-lead { margin: 0 0 11px; font-size: 12px; line-height: 1.75; color: var(--os-text-secondary); }
.os-lead strong { color: var(--os-accent); font-weight: 600; }
.os-lead code, .os-map code, .os-kv code, .os-keys code {
  font-family: var(--os-mono, ui-monospace, Menlo, monospace); font-size: 11px;
  background: var(--os-bg-hover); border-radius: 4px; padding: 1px 5px; color: var(--os-accent);
}
.os-keys { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.os-keys li { display: flex; align-items: flex-start; gap: 9px; font-size: 12px; color: var(--os-text-secondary); }
kbd {
  font-family: var(--os-mono, ui-monospace, Menlo, monospace); font-size: 10.5px;
  min-width: 30px; text-align: center; padding: 2px 6px; flex: 0 0 auto;
  border: 1px solid var(--os-border-default); border-bottom-width: 2px; border-radius: 5px;
  background: var(--os-bg-hover); color: var(--os-text);
}
.os-map { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.os-map th, .os-map td { text-align: left; padding: 6px 7px; border-bottom: 1px solid var(--os-border-default); vertical-align: top; }
.os-map th { color: var(--os-muted); font-weight: 600; font-size: 11px; }
.os-map td:first-child { color: var(--os-text); white-space: nowrap; }
.os-map td:last-child { color: var(--os-text-secondary); }
.os-foot { margin: 10px 0 0; font-size: 11px; color: var(--os-muted); line-height: 1.7; }
.os-kv { display: grid; grid-template-columns: 72px 1fr; gap: 6px 10px; margin: 0; font-size: 12px; }
.os-kv dt { color: var(--os-muted); }
.os-kv dd { margin: 0; color: var(--os-text-secondary); }

/* ---------- 页脚 ---------- */
.os-foot-bar {
  padding: 12px 20px; font-size: 11.5px; color: var(--os-muted);
  border-top: 1px solid var(--os-border-default); background: var(--os-bar);
}
.os-foot-bar a { color: var(--os-text-secondary); text-decoration: none; }
.os-foot-bar a:hover { color: var(--os-accent); }
.os-foot-bar .sep { margin: 0 8px; opacity: .5; }