/* --- CSS Variables (Theme Colors) --- */
:root {
  --bg-color: #f4f5f7;
  --card-bg: #ffffff;
  --text-color: #172b4d;
  --text-muted: #6b778c;
  --border-color: #ebecf0;
  --accent-color: #60a5fa;
  --btn-ghost-hover: #f1f2f4;

  --sidebar-width: 380px; 
}

body.dark-mode {
  --bg-color: #1d2125;
  --card-bg: #282c34;
  --text-color: #d1d5db;
  --text-muted: #9ca3af;
  --border-color: #374151;
  --accent-color: #60a5fa;
  --btn-ghost-hover: #374151;
}

/* --- Base Styles --- */
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  background: var(--bg-color);
  color: var(--text-color);
  transition: background 0.2s, color 0.2s;
  font-size: 14px;
}
body.resizing {
  user-select: none;
  -webkit-user-select: none;
}

/* --- Layout (Sidebar + Main) --- */
#mainContent {
  padding-left: 20px; 
  transition: margin-left 0.3s ease;
}

#detailSidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: var(--sidebar-width); 
  background: var(--card-bg);
  border-left: 1px solid var(--border-color);
  z-index: 100;
  display: flex; 
  flex-direction: column; 
  overflow-y: hidden; 
  transform: translateX(100%);
  transition: transform 0.3s ease, width 0s; 
}
#detailSidebar.visible { transform: translateX(0); }
body.sidebar-visible #mainContent { 
  margin-right: var(--sidebar-width); 
}

/* === ที่จับ (Handle) สำหรับลาก === */
.resize-handle {
  position: absolute;
  top: 0;
  left: -5px; 
  width: 10px; 
  height: 100%;
  background: transparent;
  cursor: col-resize; 
  z-index: 101;
}
.resize-handle:hover,
body.resizing .resize-handle {
  background: var(--accent-color);
  opacity: 0.3;
  width: 3px;
  left: -2px;
}
/* ============================= */


.sidebar-header {
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.sidebar-header h3 { margin: 0; }
.sidebar-header .close-btn { font-size: 24px; padding: 0 8px; }

#detailSidebarContent {
  padding: 20px;
  overflow-y: auto; 
  flex-grow: 1;
}
#detailSidebarContent .detail-item { margin-bottom: 12px; }
#detailSidebarContent .detail-item label { font-weight: 600; color: var(--text-muted); display: block; margin-bottom: 4px; }
#detailSidebarContent .detail-item p { margin: 0; white-space: pre-wrap; word-wrap: break-word; }

/* --- Header --- */
header {
  padding: 15px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  margin-left: -20px; 
}
header h1 { margin: 0 0 10px 0; }
.controls { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 15px; 
  align-items: flex-end; 
  position: relative; /* สำหรับให้ control บางอัน float ขวา */
}
.control { display: flex; flex-direction: column; }
.control label { font-weight: 600; margin-bottom: 5px; color: var(--text-muted); }
.control.grow { flex-grow: 1; }
.control.flex-end { /* <<< ใหม่: จัดให้ไปอยู่ขวาสุด */
  margin-left: auto; 
  margin-right: 0;
}
.hidden-label { /* <<< ใหม่: ซ่อน label สำหรับปุ่มที่ไม่มี */
  visibility: hidden;
  height: 0;
  margin: 0;
  padding: 0;
}

.range { display: flex; align-items: center; gap: 5px; }
.loaders { display: flex; gap: 5px; }
.view-buttons { display: flex; gap: 5px; }
.muted { color: var(--text-muted); }

/* --- Forms (Buttons, Inputs) --- */
input[type="text"], input[type="date"], input[type="file"], select, input[id="csvUrl"] {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
  padding: 8px 10px;
  font-size: 14px;
}
input[id="csvUrl"] { width: 100%; }
.btn {
  background: var(--accent-color);
  color: white;
  border: 0;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}
.btn:disabled { background: #ccc; }
.btn.ghost {
  background: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}
.btn.ghost:hover { background: var(--btn-ghost-hover); }
.btn.small-btn { padding: 4px 8px; font-size: 16px; }
.btn-icon { font-size: 16px; padding: 4px 8px; }
.btn.full-width { /* <<< ใหม่: ปุ่มเต็มความกว้างใน dropdown */
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  margin-bottom: 8px;
}
.btn.full-width:last-child { margin-bottom: 0; }


/* --- Cards & Charts --- */
.card {
  background: var(--card-bg);
  border-radius: 5px;
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
}
.charts { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 20px; 
  margin-top: 20px; 
  align-items: stretch; 
}
.charts .card { 
  padding: 15px; 
  display: flex; 
  flex-direction: column; 
}
.charts .card h3 { flex-shrink: 0; }
.chart-container {
  flex-grow: 1;
  position: relative;
  min-height: 250px; 
}
.charts .card canvas { position: relative; }
.w4 { width: calc(33.333% - 14px); }
.inline-filter { margin-bottom: 10px; }

/* --- Table --- */
.table { padding: 0; }
.table-head {
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.table-title { display: flex; align-items: center; gap: 10px; }
.table-title h3 { margin: 0; }
.table-head .right { display: flex; gap: 10px; }
.table-wrap { overflow-x: auto; max-height: 600px; }
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}
th {
  background: var(--bg-color);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-muted);
}
tbody tr:hover {
  background: var(--btn-ghost-hover);
  cursor: pointer;
}

/* --- Modal (Column Picker) --- */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal-content {
  width: 90%;
  max-width: 500px;
  padding: 20px;
}
.modal-content.small-modal { /* <<< ใหม่: สำหรับ dropdown setting */
  max-width: 300px; 
  padding: 15px;
}
.modal-content.small-modal h3 {
  margin-top: 0;
  margin-bottom: 15px;
  text-align: center;
}
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin: 20px 0;
}
.checkbox-grid label { display: flex; align-items: center; gap: 5px; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}
.settings-options { /* <<< ใหม่: สำหรับปุ่มใน dropdown */
  display: flex;
  flex-direction: column;
}

footer { padding: 20px 0; }