/* ===================================================================
   天成医疗 · 内镜洗消溯源演示桌面  —  Windows 11 风格外壳
   =================================================================== */
:root{
  --brand:#2d8cf0;          /* 主程序蓝（RGB 45,140,240） */
  --brand-dark:#1769c9;
  --ok:#34c759;             /* 完成绿 */
  --ok-dark:#28a745;
  --warn:#ffb02e;           /* 进行中黄 */
  --danger:#ff4d4f;         /* 超时红 */
  --idle:#c8ced8;           /* 空闲灰 */
  --ink:#1f2733;
  --ink-2:#5a6675;
  --line:#e6eaf0;
  --panel:#ffffff;
  --bg-soft:#f4f7fb;
  --tb-h:48px;
  --radius:9px;
  --shadow-win:0 24px 70px rgba(13,38,76,.34), 0 6px 18px rgba(13,38,76,.22);
  font-synthesis:none;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;width:100%;overflow:hidden}
body{
  font-family:"Microsoft YaHei","微软雅黑","Segoe UI",system-ui,sans-serif;
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  user-select:none;
}

/* ---------- 桌面 / 壁纸 ---------- */
#desktop{
  position:fixed;inset:0;
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(86,166,255,.55), transparent 60%),
    radial-gradient(1000px 720px at 12% 108%, rgba(30,120,210,.55), transparent 62%),
    linear-gradient(135deg,#0a3a72 0%,#14538f 42%,#0c6ca8 100%);
  overflow:hidden;
}
#desktop::before{ /* 细网点纹理 */
  content:"";position:absolute;inset:0;opacity:.10;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.85) 1px, transparent 1.4px);
  background-size:26px 26px;
}

.wallpaper-brand{
  position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);
  text-align:center;color:#fff;pointer-events:none;
  text-shadow:0 4px 26px rgba(0,0,0,.32);opacity:.96;
}
.wb-logo{font-size:58px;font-weight:800;letter-spacing:10px;margin-bottom:8px}
.wb-sub{font-size:23px;font-weight:600;letter-spacing:6px;opacity:.96}
.wb-eng{font-size:11px;letter-spacing:3px;margin-top:14px;opacity:.6;font-family:"Segoe UI",sans-serif}

/* ---------- 桌面图标 ---------- */
#desktop-icons{position:absolute;top:24px;left:22px;display:flex;flex-direction:column;gap:6px;z-index:5}
.desk-icon{
  width:108px;padding:12px 6px 10px;border-radius:8px;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  cursor:pointer;text-align:center;border:1px solid transparent;
  transition:background .12s,border-color .12s;
}
.desk-icon:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.28)}
.desk-icon.active{background:rgba(45,140,240,.32);border-color:rgba(255,255,255,.5)}
.desk-icon .di-img{width:50px;height:50px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.4))}
.desk-icon .di-label{
  font-size:12.5px;color:#fff;line-height:1.32;font-weight:500;white-space:pre-line;
  text-shadow:0 1px 4px rgba(0,0,0,.65);word-break:break-word;
}

/* ---------- 窗口 ---------- */
/* 窗口层铺满桌面但默认事件穿透，否则空层会盖住桌面图标导致点不动 */
#window-layer{position:absolute;inset:0 0 var(--tb-h) 0;z-index:10;pointer-events:none}
.win{
  pointer-events:auto;
  position:absolute;display:flex;flex-direction:column;
  background:var(--panel);border-radius:var(--radius);
  box-shadow:var(--shadow-win);overflow:hidden;
  border:1px solid rgba(255,255,255,.5);
  animation:winpop .18s cubic-bezier(.2,.9,.3,1.1);
}
@keyframes winpop{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
.win.minimizing{animation:winmin .16s ease forwards}
@keyframes winmin{to{opacity:0;transform:scale(.9) translateY(40px)}}
.win.maximized{border-radius:0;border-color:transparent}

.win-titlebar{
  height:38px;flex:0 0 38px;display:flex;align-items:center;gap:9px;
  padding:0 4px 0 12px;cursor:default;
  background:linear-gradient(180deg,#ffffff,#f1f5fa);
  border-bottom:1px solid var(--line);
}
.win-titlebar .wt-ico{width:18px;height:18px;flex:0 0 18px}
.win-titlebar .wt-title{font-size:13px;font-weight:600;color:var(--ink);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.win-titlebar .wt-tag{font-size:11px;font-weight:600;padding:1px 8px;border-radius:10px;color:#fff}
.wt-tag.standard{background:var(--brand)}
.wt-tag.national{background:#7a4dd6}
.wt-tag.tool{background:var(--ok-dark)}
.win-ctrls{display:flex;gap:1px}
.win-ctrls button{
  width:42px;height:34px;border:none;background:transparent;cursor:pointer;
  font-size:15px;color:var(--ink-2);border-radius:6px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.win-ctrls button:hover{background:#e7edf5}
.win-ctrls .wc-close:hover{background:#ff4d4f;color:#fff}
.win-body{flex:1;overflow:hidden;position:relative;background:var(--bg-soft)}

/* ---------- 任务栏 ---------- */
#taskbar{
  position:absolute;left:0;right:0;bottom:0;height:var(--tb-h);z-index:100;
  display:flex;align-items:center;padding:0 10px;
  background:rgba(232,240,250,.78);backdrop-filter:blur(22px);
  border-top:1px solid rgba(255,255,255,.6);
  box-shadow:0 -2px 18px rgba(5,30,60,.18);
}
.tb-left{flex:0 0 auto}
.tb-start{width:44px;height:38px;border:none;background:transparent;border-radius:7px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.tb-start:hover{background:rgba(45,140,240,.16)}
.tb-apps{flex:1;display:flex;gap:5px;justify-content:center;align-items:center}
.tb-app{
  height:38px;min-width:46px;padding:0 12px;border:none;border-radius:7px;cursor:pointer;
  background:rgba(255,255,255,.55);display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--ink);position:relative;transition:background .12s;
  max-width:200px;
}
.tb-app:hover{background:#fff}
.tb-app.active{background:#fff;box-shadow:inset 0 0 0 1px rgba(45,140,240,.35)}
.tb-app img{width:20px;height:20px}
.tb-app span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-app::after{content:"";position:absolute;bottom:3px;left:50%;transform:translateX(-50%);width:16px;height:3px;border-radius:2px;background:var(--brand);opacity:.65}
.tb-app.active::after{width:22px;opacity:1}
.tb-right{flex:0 0 auto;display:flex;align-items:center;gap:6px}
.tb-tray{display:flex;gap:10px;padding:0 8px;color:var(--ink-2);font-size:13px}
.tb-tray .tray-ico{cursor:default}
.tb-clock{padding:4px 10px;border-radius:7px;cursor:default;text-align:right;line-height:1.25}
.tb-clock:hover{background:rgba(255,255,255,.6)}
.tb-time{font-size:13px;font-weight:600}
.tb-date{font-size:11px;color:var(--ink-2)}

/* ---------- 开始菜单 ---------- */
#start-menu{
  position:absolute;left:50%;bottom:calc(var(--tb-h) + 10px);transform:translateX(-50%);
  width:560px;max-width:92vw;z-index:120;padding:22px 26px 14px;
  background:rgba(244,248,253,.92);backdrop-filter:blur(28px);
  border:1px solid rgba(255,255,255,.7);border-radius:14px;
  box-shadow:0 30px 80px rgba(5,25,55,.45);
  transition:opacity .14s,transform .14s;
}
#start-menu.hidden{opacity:0;transform:translateX(-50%) translateY(14px);pointer-events:none}
.sm-header{margin-bottom:16px}
.sm-title{font-size:16px;font-weight:700;color:var(--ink)}
.sm-sub{font-size:12px;color:var(--ink-2);margin-top:3px}
.sm-section-label{font-size:12px;font-weight:600;color:var(--ink-2);margin-bottom:10px}
.sm-apps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.sm-app{
  display:flex;flex-direction:column;align-items:center;gap:9px;padding:16px 8px;
  border-radius:10px;cursor:pointer;text-align:center;border:1px solid transparent;
}
.sm-app:hover{background:#fff;border-color:var(--line)}
.sm-app img{width:42px;height:42px}
.sm-app span{font-size:12px;color:var(--ink);line-height:1.3}
.sm-footer{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.sm-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink)}
.sm-avatar{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.sm-power{width:34px;height:34px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:17px;color:var(--ink-2);cursor:pointer}
.sm-power:hover{background:#fff}

.hidden{display:none !important}

/* 提示气泡（托盘通知风格） */
.toast-wrap{position:absolute;right:14px;bottom:calc(var(--tb-h) + 14px);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.toast{
  background:#1f2733;color:#fff;padding:11px 16px;border-radius:8px;font-size:13px;
  box-shadow:0 10px 30px rgba(0,0,0,.3);animation:toastin .25s ease;max-width:320px;
  border-left:3px solid var(--brand);
}
.toast.ok{border-left-color:var(--ok)}
.toast.warn{border-left-color:var(--warn)}
@keyframes toastin{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}