:root {
  --bg0: #0b0e17;
  --bg1: #121627;
  --panel: rgba(22, 28, 50, 0.82);
  --border: rgba(120, 140, 200, 0.18);
  --text: #e8ecf8;
  --dim: #8b93b5;
  --accent: #6c8cff;
  --accent2: #39d98a;
  --danger: #ff6b6b;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(108, 140, 255, 0.18), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(57, 217, 138, 0.10), transparent 55%),
    var(--bg0);
  color: var(--text);
  overflow: hidden;
}

#desktop { height: 100%; display: flex; flex-direction: column; }

/* ---------- 顶栏 ---------- */
#topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; border-bottom: 1px solid var(--border);
  background: rgba(10, 13, 24, 0.7); backdrop-filter: blur(8px);
  flex: 0 0 auto;
}
.brand { font-size: 15px; font-weight: 600; letter-spacing: 0.3px; }
.brand .logo { color: var(--accent); }
.brand .tag { font-size: 12px; color: var(--dim); font-weight: 400; margin-left: 8px; }
#status { font-size: 12px; color: var(--dim); display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--accent2); box-shadow: 0 0 8px var(--accent2); }
#clock { color: var(--text); }

/* ---------- 工作区 ---------- */
#workspace { flex: 1; position: relative; overflow: hidden; }

.window {
  position: absolute; min-width: 360px; min-height: 220px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); backdrop-filter: blur(12px);
  display: flex; flex-direction: column;
  resize: both; overflow: hidden;
}
.win-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; cursor: move; user-select: none;
  background: rgba(255, 255, 255, 0.04); border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.win-title { font-size: 13px; color: var(--dim); }
.win-close {
  border: none; background: transparent; color: var(--dim); font-size: 16px;
  cursor: pointer; padding: 0 6px; border-radius: 6px;
}
.win-close:hover { color: var(--danger); background: rgba(255, 107, 107, 0.12); }
.win-body { padding: 16px; overflow: auto; flex: 1; }

.win-body h2 { font-size: 18px; margin-bottom: 10px; }
.win-body p { font-size: 13px; color: var(--dim); line-height: 1.7; margin-bottom: 10px; }
.win-body ul { font-size: 13px; color: var(--dim); line-height: 1.9; margin: 0 0 14px 18px; }
.win-body code { background: rgba(108, 140, 255, 0.12); padding: 1px 5px; border-radius: 4px; color: var(--accent); }

button {
  border: 1px solid var(--border); background: rgba(255, 255, 255, 0.05);
  color: var(--text); padding: 7px 14px; border-radius: 8px; cursor: pointer;
  font-size: 13px; transition: all 0.15s;
}
button:hover { border-color: var(--accent); background: rgba(108, 140, 255, 0.12); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover { filter: brightness(1.1); }
button.danger { color: var(--danger); }
button.danger:hover { border-color: var(--danger); background: rgba(255, 107, 107, 0.12); }

/* ---------- 市场 ---------- */
#market-window { width: 680px; height: 460px; left: 60px; top: 60px; }
.market-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.plugin-card {
  border: 1px solid var(--border); border-radius: 10px; padding: 14px;
  background: rgba(255, 255, 255, 0.03); display: flex; flex-direction: column; gap: 8px;
}
.plugin-card .p-name { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.plugin-card .p-desc { font-size: 12px; color: var(--dim); line-height: 1.6; flex: 1; }
.plugin-card .p-meta { font-size: 11px; color: var(--dim); display: flex; gap: 8px; flex-wrap: wrap; }
.trust { padding: 1px 7px; border-radius: 20px; font-size: 10px; }
.trust.L1 { background: rgba(57, 217, 138, 0.15); color: var(--accent2); }
.trust.L2 { background: rgba(108, 140, 255, 0.15); color: var(--accent); }
.trust.L3 { background: rgba(255, 190, 90, 0.15); color: #ffbe5a; }

/* ---------- 插件窗口 ---------- */
#plugin-window { width: 520px; height: 380px; left: 90px; top: 80px; }
.plugin-frame { width: 100%; height: 100%; border: none; background: #fff; flex: 1; }

/* ---------- AI 面板 ---------- */
#agent-window { width: 460px; height: 520px; right: 50px; top: 60px; }
.agent-chat { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 4px; }
.msg { max-width: 88%; padding: 9px 12px; border-radius: 10px; font-size: 13px; line-height: 1.6; }
.msg.user { align-self: flex-end; background: var(--accent); color: #fff; }
.msg.assistant { align-self: flex-start; background: rgba(255, 255, 255, 0.06); }
.msg.trace { align-self: stretch; font-size: 11.5px; font-family: Consolas, monospace; }
.trace-step { padding: 5px 9px; border-left: 2px solid var(--border); margin-bottom: 4px; color: var(--dim); }
.trace-step .k { color: var(--accent2); }
.trace-step .i { color: var(--accent); }
.agent-input-row { display: flex; gap: 8px; padding-top: 10px; border-top: 1px solid var(--border); }
.agent-input-row input {
  flex: 1; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border);
  color: var(--text); padding: 9px 12px; border-radius: 8px; font-size: 13px; outline: none;
}
.agent-input-row input:focus { border-color: var(--accent); }
.hint { font-size: 11px; color: var(--dim); margin-top: 8px; }

/* ---------- Dock ---------- */
#dock {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 10px; flex: 0 0 auto;
  background: rgba(10, 13, 24, 0.75); border-top: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.dock-item {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; border-radius: 12px; cursor: pointer;
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border); transition: all 0.15s;
}
.dock-item:hover { transform: translateY(-3px); border-color: var(--accent); background: rgba(108, 140, 255, 0.15); }
.dock-item .mini-name { font-size: 8px; color: var(--dim); }
.dock-sep { width: 1px; height: 30px; background: var(--border); }
#dock-apps { display: flex; gap: 10px; }

/* ---------- Toast ---------- */
#toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  background: rgba(10, 13, 24, 0.95); border: 1px solid var(--border);
  padding: 9px 18px; border-radius: 8px; font-size: 13px; color: var(--text);
  opacity: 0; transition: opacity 0.25s; pointer-events: none; z-index: 99;
}
#toast.show { opacity: 1; }