/* ===================== 主题变量 ===================== */
:root[data-theme="dark"] {
  --bg: #131722;
  --panel: #1e222d;
  --panel-2: #2a2e39;
  --panel-3: #363a45;
  --text: #d1d4dc;
  --text-dim: #787b86;
  --border: #2a2e39;
  --grid: #2a2e39;
  --accent: #2962ff;
  --accent-soft: rgba(41, 98, 255, .18);
  --hover: #2a2e39;
  --input-bg: #2a2e39;
  --shadow: 0 6px 24px rgba(0, 0, 0, .45);
  --scroll: #4a4e5a;
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f8f9fa;
  --panel-2: #eceff3;
  --panel-3: #e0e3eb;
  --text: #191919;
  --text-dim: #6a6d78;
  --border: #e0e3eb;
  --grid: #e6e9f0;
  --accent: #2962ff;
  --accent-soft: rgba(41, 98, 255, .12);
  --hover: #e9ecf2;
  --input-bg: #ffffff;
  --shadow: 0 6px 24px rgba(0, 0, 0, .12);
  --scroll: #c3c7cf;
}

/* 涨跌配色（可切换） */
body[data-up-color="red"] { --up: #ef5350; --down: #26a69a; }
body[data-up-color="green"] { --up: #26a69a; --down: #ef5350; }

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  font: 13px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

/* ===================== 总体布局 ===================== */
.app {
  display: grid;
  grid-template-columns: 296px 1fr;
  grid-template-rows: 44px 1fr auto;
  height: 100vh;
  width: 100vw;
}
.app.sidebar-collapsed { grid-template-columns: 0 1fr; }
.app.sidebar-collapsed .sidebar { display: none; }

/* ===================== 工具栏 ===================== */
.toolbar {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 10px;
  padding: 0 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  z-index: 30;
}
.brand {
  font-weight: 700; font-size: 14px; letter-spacing: .3px;
  color: var(--text); white-space: nowrap;
  padding-right: 8px; border-right: 1px solid var(--border);
}
.tb-group { display: flex; align-items: center; gap: 6px; }
.tb-spacer { flex: 1; }

.btn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 5px 10px; font-size: 12px; cursor: pointer;
  white-space: nowrap; transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--hover); border-color: var(--panel-3); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.12); }
.btn.icon { padding: 5px 8px; }
.btn.tiny { padding: 2px 6px; font-size: 11px; }
.btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--down); }

/* 品种搜索 */
.symbol-picker { position: relative; }
.symbol-input {
  width: 168px; padding: 5px 10px; font-size: 12px;
  background: var(--input-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px; outline: none;
}
.symbol-input:focus { border-color: var(--accent); }
.symbol-list {
  position: absolute; top: 30px; left: 0; width: 260px; max-height: 320px; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: 4px;
  box-shadow: var(--shadow); z-index: 60; padding: 4px;
}
.symbol-item {
  padding: 5px 8px; border-radius: 3px; cursor: pointer;
  display: flex; justify-content: space-between; gap: 8px; font-size: 12px;
}
.symbol-item:hover, .symbol-item.cursor { background: var(--hover); }
.symbol-item .sym { font-weight: 600; }
.symbol-item .base { color: var(--text-dim); font-size: 11px; }

/* 周期 */
.intervals { display: flex; gap: 2px; background: var(--panel-2); border-radius: 4px; padding: 2px; }
.intervals button {
  background: transparent; border: 0; color: var(--text-dim);
  padding: 3px 9px; font-size: 12px; cursor: pointer; border-radius: 3px;
}
.intervals button:hover { color: var(--text); background: var(--hover); }
.intervals button.active { background: var(--accent); color: #fff; }

.feed-status { font-size: 12px; color: var(--text-dim); }
.feed-status.on { color: var(--up); }
.feed-status.off { color: var(--down); }
.feed-status.wait { color: #f0b90b; }

/* ===================== 侧栏 ===================== */
.sidebar {
  grid-row: 2; grid-column: 1;
  background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
}
.side-tabs { display: flex; border-bottom: 1px solid var(--border); flex: none; }
.side-tabs .tab {
  flex: 1; background: transparent; border: 0; border-bottom: 2px solid transparent;
  color: var(--text-dim); padding: 8px 0; font-size: 12px; cursor: pointer;
}
.side-tabs .tab:hover { color: var(--text); background: var(--hover); }
.side-tabs .tab.active { color: var(--text); border-bottom-color: var(--accent); }

.side-body { flex: 1; overflow-y: auto; padding: 8px; }

.ind-card {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 5px;
  padding: 8px; margin-bottom: 8px;
}
.ind-card.disabled { opacity: .5; }
.ind-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-soft); }
.ind-row { display: flex; align-items: center; gap: 6px; }
.ind-name { flex: 1; font-size: 12px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ind-meta { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.ind-actions { display: flex; gap: 4px; margin-top: 6px; flex-wrap: wrap; }
.ind-err { font-size: 11px; color: var(--down); margin-top: 4px; word-break: break-all; }

.param-group-title { font-size: 11px; color: var(--text-dim); margin: 10px 0 4px; text-transform: uppercase; letter-spacing: .5px; }
.param {
  display: grid; grid-template-columns: 92px 1fr; align-items: center;
  gap: 8px; margin-bottom: 7px; font-size: 12px;
}
.param label { color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.param input[type="number"], .param input[type="text"], .param select {
  width: 100%; background: var(--input-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 3px; padding: 3px 6px; font-size: 12px; outline: none;
}
.param input[type="range"] { width: 100%; accent-color: var(--accent); }
.param input[type="color"] { width: 100%; height: 24px; padding: 0; border: 1px solid var(--border); background: none; border-radius: 3px; }
.param input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }
.param .v { font-size: 11px; color: var(--text-dim); min-width: 34px; text-align: right; }
.param-line { display: flex; align-items: center; gap: 6px; }

.empty-tip { color: var(--text-dim); font-size: 12px; text-align: center; padding: 24px 8px; line-height: 1.8; }

/* ===================== 图表区 ===================== */
.chart-area { grid-row: 2; grid-column: 2; position: relative; overflow: hidden; background: var(--bg); }
.panes { display: flex; flex-direction: column; height: 100%; width: 100%; }

.pane {
  position: relative; min-height: 56px; overflow: hidden;
  border-top: 1px solid var(--border);
}
.pane:first-child { border-top: 0; }
.pane-chart { position: absolute; inset: 0; }
.pane-legend {
  position: absolute; top: 3px; left: 8px; z-index: 6;
  font-size: 11px; line-height: 1.6; pointer-events: none;
  display: flex; flex-wrap: wrap; gap: 10px; max-width: calc(100% - 80px);
  text-shadow: 0 0 3px var(--bg);
}
.pane-legend .lg-item { white-space: nowrap; }
.pane-legend .lg-title { font-weight: 700; margin-right: 10px; }
.pane-legend .lg-val { font-variant-numeric: tabular-nums; }
.pane-tools {
  position: absolute; top: 2px; right: 62px; z-index: 7; display: flex; gap: 3px; opacity: 0; transition: opacity .15s;
}
.pane:hover .pane-tools { opacity: 1; }
.pane-tools button {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text-dim);
  border-radius: 3px; font-size: 11px; padding: 0 5px; cursor: pointer; line-height: 16px;
}
.pane-tools button:hover { color: var(--text); background: var(--hover); }

.pane-splitter {
  height: 5px; flex: none; cursor: row-resize; background: var(--border);
  position: relative; z-index: 8;
}
.pane-splitter:hover, .pane-splitter.dragging { background: var(--accent); }

.chart-overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  pointer-events: none; z-index: 9;
}
.loading { color: var(--text-dim); font-size: 13px; }
.hidden { display: none !important; }

/* ===================== 编辑器抽屉 ===================== */
.drawer {
  grid-column: 1 / -1; grid-row: 3;
  display: flex; flex-direction: column;
  background: var(--panel); border-top: 1px solid var(--border);
  height: var(--drawer-h, 340px); position: relative;
}
.drawer.collapsed { height: 0; overflow: hidden; border-top: 0; }
.drawer-resizer { position: absolute; top: -3px; left: 0; right: 0; height: 6px; cursor: row-resize; z-index: 20; }

.drawer-head {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px;
  border-bottom: 1px solid var(--border); flex: none;
}
.drawer-title { font-size: 12px; font-weight: 600; color: var(--text-dim); }
.script-name {
  background: var(--input-bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 4px; padding: 4px 8px; font-size: 12px; width: 200px; outline: none;
}
.script-name:focus { border-color: var(--accent); }
.mini-select {
  background: var(--input-bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 4px; padding: 4px 6px; font-size: 12px; outline: none;
}
.drawer-actions { display: flex; gap: 6px; margin-left: auto; }

.drawer-body { flex: 1; display: flex; min-height: 0; }
.editor-wrap { flex: 1; position: relative; min-width: 0; border-right: 1px solid var(--border); }
.editor-host, .editor-fallback { position: absolute; inset: 0; }
.editor-host .cm-editor { height: 100%; }
.editor-host .cm-scroller { overflow: auto; }
.editor-fallback {
  width: 100%; height: 100%; resize: none; padding: 8px 10px;
  background: var(--bg); color: var(--text); border: 0; outline: none;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 12.5px; line-height: 1.55;
}
.editor-hint {
  position: absolute; left: 10px; bottom: 6px; font-size: 11px; color: var(--text-dim);
  pointer-events: none; z-index: 3;
}

.drawer-side { width: 300px; flex: none; display: flex; flex-direction: column; min-height: 0; }
.console-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 4px 8px; font-size: 11px; color: var(--text-dim);
  border-bottom: 1px solid var(--border); flex: none;
}
.console {
  flex: 1; overflow-y: auto; padding: 6px 8px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace; font-size: 11.5px; line-height: 1.6;
  white-space: pre-wrap; word-break: break-all;
}
.log-line { margin-bottom: 2px; }
.log-error { color: var(--down); }
.log-warn { color: #f0b90b; }
.log-info { color: var(--text-dim); }
.log-ok { color: var(--up); }

/* ===================== 弹窗 & Toast ===================== */
.modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .5); z-index: 200;
  display: flex; align-items: center; justify-content: center;
}
.modal-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
  width: min(560px, 92vw); max-height: 80vh; display: flex; flex-direction: column; box-shadow: var(--shadow);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 13px;
}
.modal-body { padding: 12px; overflow-y: auto; font-size: 12.5px; line-height: 1.7; }
.modal-foot { padding: 10px 12px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.modal-body pre {
  background: var(--bg); padding: 10px; border-radius: 4px; overflow: auto;
  font-size: 11.5px; max-height: 46vh; margin: 6px 0;
}
.modal-body input[type="text"] {
  width: 100%; background: var(--input-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px; padding: 6px 8px; outline: none; font-size: 13px;
}
.modal-body input[type="text"]:focus { border-color: var(--accent); }

.toasts { position: fixed; right: 14px; bottom: 14px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 4px; padding: 8px 12px; font-size: 12px; box-shadow: var(--shadow);
  max-width: 340px; animation: slideIn .18s ease-out;
}
.toast.err { border-left-color: var(--down); }
.toast.ok { border-left-color: var(--up); }
@keyframes slideIn { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: none; } }

/* CodeMirror 主题适配 */
.cm-editor { background: var(--bg); color: var(--text); height: 100%; }
.cm-editor .cm-gutters { background: var(--panel); color: var(--text-dim); border-right: 1px solid var(--border); }
.cm-editor .cm-activeLine { background: var(--panel-2); }
.cm-editor .cm-activeLineGutter { background: var(--panel-2); }
.cm-editor.cm-focused { outline: none !important; }
.cm-editor .cm-content { caret-color: var(--accent); }
.cm-editor .cm-selectionBackground, .cm-editor.cm-focused .cm-selectionBackground,
.cm-editor ::selection { background: var(--accent-soft) !important; }
.cm-editor .cm-cursor { border-left-color: var(--accent); }
.cm-error-line { background: rgba(239, 83, 80, .18); }