/* Dark theme — translated from style.py QSS */

:root {
  --bg: #1e1e2e;
  --surface: #282838;
  --border: #3a3a4a;
  --text: #cdd6f4;
  --text-dim: #7f849c;
  --accent: #89b4fa;
  --accent-hover: #74c7ec;
  --red: #f38ba8;
  --green: #a6e3a1;
  --yellow: #f9e2af;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "SF Pro Text", "Segoe UI", "Roboto", sans-serif;
  font-size: 13px;
}

/* --- Top bar (branding) --- */
.top-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 4px 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand img { width: 28px; height: 28px; }
.brand-title { font-size: 13px; font-weight: 700; color: var(--text); }
.brand-subtitle { font-size: 10px; font-weight: 400; color: var(--text-dim); }

/* --- Main area --- */
.main-area {
  display: grid;
  grid-template-columns: 220px 3px 1fr;
  overflow: hidden;
  min-height: 0;
}

/* --- Sidebar --- */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

/* --- Splitter handle --- */
.splitter-handle {
  background: var(--border);
  cursor: col-resize;
  transition: background 0.15s;
}
.splitter-handle:hover { background: var(--accent); }

/* --- Content area (tabs) --- */
.content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* --- Tabs --- */
.tab-bar {
  display: flex;
  gap: 2px;
  background: var(--bg);
}
.tab-bar button {
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  padding: 8px 20px;
  cursor: pointer;
  font: inherit;
  transition: color 0.15s, border-color 0.15s;
}
.tab-bar button:hover { color: var(--text); }
.tab-bar button.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-top: -1px;
}
.tab-panel.active {
  display: flex;
}

/* Charts fill available space equally */
.chart { flex: 1; min-height: 0; }

/* TEC tab layout */
.tec-layout { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.chart-tec { flex: 1; min-height: 0; }
.temp-indicators {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
}
.temp-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 16px 12px 16px;
}

/* --- Buttons --- */
button {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 12px;
  min-height: 24px;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
button:hover {
  background: var(--border);
  border-color: var(--accent);
}
button:active {
  background: var(--accent);
  color: var(--bg);
}

/* Connect button — connected state */
button#connect-btn[data-connected="true"] {
  border-color: var(--green);
  color: var(--green);
}

/* Save button — logging state */
button#save-btn[data-logging="true"] {
  border-color: var(--red);
  color: var(--red);
}

/* Raw Data button — active state */
button#raw-btn.active {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* --- Inputs --- */
select, input[type="number"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 10px;
  font: inherit;
}
select:focus, input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

/* --- Labels --- */
.section-label {
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 8px 0 2px 0;
}
.measurement-title {
  color: var(--text-dim);
  font-size: 11px;
  padding: 4px 0 0 0;
}
.measurement-value {
  color: var(--accent);
  font-size: 16px;
  font-weight: 600;
  padding: 0 0 4px 0;
}
.value-label {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

/* --- Status bar --- */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
}

/* --- Separator --- */
.separator {
  border: none;
  border-top: 1px solid var(--border);
  margin: 6px 0;
}

/* --- Button row --- */
.btn-row {
  display: flex;
  gap: 4px;
}
.btn-row button { flex: 1; }

/* --- Warning banner --- */
.warning {
  color: var(--yellow);
  font-size: 11px;
  padding: 8px;
  border: 1px solid var(--yellow);
  border-radius: 4px;
  margin-top: 12px;
  text-align: center;
}

/* --- Context menu --- */
.context-menu {
  position: fixed;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 0;
  z-index: 1000;
  min-width: 140px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.context-menu-item {
  padding: 6px 16px;
  cursor: pointer;
  font-size: 13px;
}
.context-menu-item:hover {
  background: var(--accent);
  color: var(--bg);
}
.context-menu-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 8px;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }