/* ========== 深色终端风 · chamber sim ========== */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #1c2128;
  --border: #30363d;
  --fg: #c9d1d9;
  --fg-dim: #8b949e;
  --green: #7ee787;
  --cyan: #79c0ff;
  --yellow: #ffa657;
  --red: #ff7b72;
  --purple: #d2a8ff;
  --mono: ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
html,body { height: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ========== 顶栏 ========== */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot.r { background: #ff5f57; }
.dot.y { background: #febc2e; }
.dot.g { background: #28c840; }
.title {
  margin-left: 10px;
  color: var(--fg-dim);
  font-size: 13px;
  letter-spacing: 0.3px;
}
.toolbar { display: flex; gap: 6px; flex-wrap: wrap; }
.btn {
  background: var(--bg3);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 5px 12px;
  font-family: var(--mono);
  font-size: 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all .15s;
}
.btn:hover { background: #2d333b; border-color: #484f58; color: var(--green); }
.btn.admin { color: var(--yellow); }
.btn.admin.active { background: var(--yellow); color: var(--bg); }
.btn.primary { background: var(--green); color: var(--bg); border-color: var(--green); }

/* ========== 主布局 ========== */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 300px 1fr 340px;
  gap: 1px;
  background: var(--border);
  overflow: hidden;
  min-height: 0;
}
.panel {
  background: var(--bg);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.panel::-webkit-scrollbar { width: 8px; }
.panel::-webkit-scrollbar-track { background: var(--bg); }
.panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.panel::-webkit-scrollbar-thumb:hover { background: #484f58; }

.panel-title {
  color: var(--green);
  font-size: 12px;
  font-weight: bold;
  padding: 4px 0;
  border-bottom: 1px dashed var(--border);
  margin-top: 4px;
}
.panel-title:first-child { margin-top: 0; }

/* ========== 输入面板 ========== */
.form-group { margin: 8px 0; }
.form-group label {
  display: block;
  color: var(--cyan);
  font-size: 11px;
  margin-bottom: 4px;
}
.form-group input, .form-group select {
  width: 100%;
  background: var(--bg3);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: 12px;
  border-radius: 3px;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(126,231,135,0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.form-section {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  background: var(--bg2);
}
.form-section-title {
  color: var(--yellow);
  font-size: 11px;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.form-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

/* ========== 3D 视图 & 图表 ========== */
.viewer {
  width: 100%;
  height: 320px;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 4px;
  position: relative;
}
.chart-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  height: 200px;
}
.chart-wrap canvas { max-height: 180px; }

/* ========== 终端结果框 ========== */
.terminal {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green);
  line-height: 1.6;
  min-height: 60px;
  white-space: pre-wrap;
  word-break: break-all;
}
.terminal.small { min-height: 40px; font-size: 11px; }
.terminal .line { display: block; }
.terminal .prompt::before { content: "» "; color: var(--fg-dim); }
.terminal .k { color: var(--cyan); }
.terminal .v { color: var(--yellow); }
.terminal .ok { color: var(--green); }
.terminal .warn { color: var(--yellow); }
.terminal .err { color: var(--red); }
.terminal .hi { color: var(--purple); font-weight: bold; }

/* ========== 底栏 ========== */
.statusbar {
  display: flex;
  gap: 20px;
  padding: 4px 14px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--fg-dim);
  flex-shrink: 0;
}
.statusbar b { color: var(--fg); }
.statusbar .right { margin-left: auto; }
.mode-user { color: var(--cyan) !important; }
.mode-admin { color: var(--yellow) !important; }

/* ========== 模态框 ========== */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
}
.modal.hidden { display: none; }
.modal-body {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 400px;
  max-width: 90vw;
  max-height: 85vh;
  overflow: auto;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--green);
}
.modal-body > div:last-child { padding: 14px; }
.mtable { width: 100%; border-collapse: collapse; font-size: 12px; }
.mtable th, .mtable td {
  padding: 6px 8px;
  border: 1px solid var(--border);
  text-align: left;
}
.mtable th { background: var(--bg3); color: var(--yellow); }
.mtable input {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); padding: 3px 5px;
  font-family: var(--mono); font-size: 12px;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 260px 1fr 300px; }
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; overflow-y: auto; }
  body { overflow: auto; }
  .toolbar .btn { padding: 4px 8px; font-size: 11px; }
}