:root {
  --bg-dark: #121214;
  --card-bg: #1e1e22;
  --border-color: #2e2e34;
  --text-primary: #f4f4f6;
  --text-secondary: #a1a1aa;
  --accent-yellow: #ffd700;
  --btn-bg: #2e2e34;
  --btn-hover: #3e3e46;
  --btn-text: #ffffff;
  --highlight-bg: #ffe600;
  --highlight-text: #000000;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 30px;
  background-color: var(--bg-dark);
  color: var(--text-primary);
}

.container {
  max-width: 100%;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  overflow-x: auto;
  padding: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  gap: 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.title-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

h1 { 
  font-size: 22px; 
  margin: 0; 
  font-weight: 600; 
  color: var(--text-primary);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.info-container {
  position: relative;
  display: inline-block;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--btn-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-size: 11px;
  font-weight: bold;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  color: var(--accent-yellow);
  border-color: var(--accent-yellow);
}

.info-tooltip {
  visibility: hidden;
  width: 290px;
  background-color: #2a2a30;
  color: var(--text-primary);
  text-align: left;
  border-radius: 8px;
  padding: 12px 14px;
  position: absolute;
  z-index: 100;
  top: 130%;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 8px 24px rgba(0,0,0,0.6);
  border: 1px solid var(--border-color);
  font-size: 12px;
  line-height: 1.4;
  opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  white-space: normal;
}

.info-tooltip kbd {
  background-color: #121214;
  border: 1px solid #4e4e56;
  border-radius: 4px;
  padding: 2px 5px;
  font-size: 11px;
  color: var(--accent-yellow);
  font-family: inherit;
}

.info-container:hover .info-tooltip {
  visibility: visible;
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  display: flex;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: var(--btn-bg);
  color: var(--accent-yellow);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.meta-info {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 4px;
}

.search-box {
  padding: 10px 16px;
  font-size: 14px;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 280px;
  outline: none;
  transition: all 0.2s ease;
}

.search-box:focus {
  border-color: var(--accent-yellow);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
}

table { 
  width: 100%; 
  border-collapse: collapse; 
  font-size: 13px; 
  white-space: nowrap;
  table-layout: auto;
}

th {
  background-color: #161618;
  color: var(--text-secondary);
  font-weight: 600;
  padding: 14px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

th#th-lvl1, td.lvl1-cell {
  min-width: 280px;
  width: 30%;
}

td { 
  padding: 12px 14px; 
  border-bottom: 1px solid var(--border-color); 
  vertical-align: middle; 
  white-space: nowrap;
}

tr.lvl1-row {
  background-color: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
}

tr.lvl1-row:hover {
  background-color: rgba(255, 255, 255, 0.06);
}

tr.lvl2-row {
  background-color: transparent;
}

tr.lvl2-row:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

tr.lvl2-row.hidden {
  display: none;
}

.arrow-toggle {
  display: inline-block;
  width: 16px;
  font-size: 11px;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
  margin-right: 6px;
}

.arrow-toggle.open {
  transform: rotate(90deg);
  color: var(--accent-yellow);
}

.tag {
  background: #2a2a30;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent-yellow);
  border: 1px solid rgba(255, 215, 0, 0.25);
  font-weight: 600;
  display: inline-block;
  white-space: nowrap;
}

.lvl2-text {
  color: var(--text-primary);
  font-size: 13px;
  padding-left: 24px;
  display: inline-block;
  white-space: nowrap;
}

.action-btn {
  padding: 6px 14px;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  white-space: nowrap;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.action-btn:hover { 
  background-color: var(--btn-hover);
  border-color: #4e4e56;
}

.action-btn:active {
  transform: scale(0.98);
}

.expand-btn {
  margin-left: 8px;
  padding: 3px 8px;
  font-size: 10px;
  text-transform: none;
  letter-spacing: normal;
}

.save-btn {
  background-color: var(--btn-bg);
  color: var(--accent-yellow);
  border: 1px solid rgba(255, 215, 0, 0.4);
  font-weight: 600;
}

.save-btn:hover {
  background-color: var(--btn-hover);
  border-color: var(--accent-yellow);
}

.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.chk-col {
  text-align: center;
  width: 1%;
  white-space: nowrap;
}

.col-fit {
  width: 1%;
  white-space: nowrap;
}

.action-col {
  text-align: center;
  width: 1%;
  white-space: nowrap;
}

.row-check {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent-yellow);
}

mark.highlight {
  background-color: var(--highlight-bg);
  color: var(--highlight-text);
  padding: 1px 3px;
  border-radius: 2px;
  font-weight: 600;
}