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

body {
  font-family: monospace;
  background: #111;
  color: #eee;
  min-height: 100vh;
  overflow: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 1rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

h1 { font-size: 1.5rem; letter-spacing: 0.05em; }

.subtitle {
  color: #888;
  margin-top: 0.2rem;
  font-size: 0.85rem;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 900px;
}

#uploadArea {
  border: 2px dashed #444;
  border-radius: 8px;
  padding: 3rem 2rem;
  text-align: center;
  width: 100%;
  cursor: pointer;
  transition: border-color 0.2s;
}

#uploadArea:hover { border-color: #888; }

#fileInput {
  display: none;
}

#uploadBtn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1.5rem;
  background: #222;
  color: #eee;
  border: 1px solid #555;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s;
}

#uploadBtn:hover { background: #333; }

#fileInput:disabled + label,
#uploadArea:has(#fileInput:disabled) #uploadBtn {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

#scaleRow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: #aaa;
}

#scaleRow input[type="checkbox"] {
  accent-color: #7af;
  width: 14px;
  height: 14px;
}

.orText {
  color: #eee;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

#statusText {
  margin-top: 0.75rem;
  color: #888;
  font-size: 0.85rem;
}

#viewer {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
}

#leftCol {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-shrink: 0;
}

#plotPanel {
  border: 1px solid #333;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

#plot {
  flex: 1;
  min-height: 0;
  width: 300px;
}

.panelTitle {
  font-size: 0.75rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
  border-bottom: 1px solid #333;
  text-align: center;
}

#controlPanel {
  border: 1px solid #333;
  width: 300px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
}

#rightCol {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-shrink: 0;
  align-self: flex-start;
}

#infoPanel {
  border: 1px solid #333;
  width: 300px;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
}

#infoTabs {
  display: flex;
  flex-direction: row;
  border-bottom: 1px solid #333;
  flex-shrink: 0;
}

.infoInner {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0.6rem 0.75rem;
  color: #aaa;
  line-height: 1.5;
  scrollbar-width: thin;
  scrollbar-color: #444 #1a1a1a;
}

.infoInner::-webkit-scrollbar { width: 5px; }
.infoInner::-webkit-scrollbar-track { background: #1a1a1a; }
.infoInner::-webkit-scrollbar-thumb { background: #444; border-radius: 2px; }

.infoInner h3 {
  font-size: 0.75rem;
  color: #7af;
  margin: 0.75rem 0 0.25rem;
}

.infoInner h3:first-child {
  margin-top: 0;
}

.infoInner h4 {
  font-size: 0.78rem;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: #ccc;
  margin: 0.6rem 0 0.2rem;
}

.infoInner p {
  font-size: 0.78rem;
  margin-bottom: 0.5rem;
}

.infoInner a, .infoInner a em {
  color: #7af !important;
  text-decoration: none;
  font-variant: normal;
  font-feature-settings: "liga" 0, "smcp" 0;
  font-style: normal;
}

.infoInner a:hover { text-decoration: underline; }

.infoInner dl {
  margin: 0 0 0.25rem;
}

.infoInner dt {
  font-size: 0.78rem;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: #ccc;
  margin-top: 0.5rem;
}

.infoInner dd {
  font-size: 0.75rem;
  color: #888;
  margin: 0.1rem 0 0 0.75rem;
}

.infoInner dd em {
  color: #666;
  font-style: italic;
}

#controlPanel .panelTitle {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#resetParamsBtn {
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  background: none;
  border: 1px solid #333;
  color: #555;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s, border-color 0.15s;
}

#resetParamsBtn:hover { color: #aaa; border-color: #555; background: none; }

#controlRows {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  flex: 1;
}

.cpRow {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cpRow label {
  flex: 0 0 90px;
  color: #aaa;
}

.cpRow input[type="range"] {
  flex: 1;
  min-width: 0;
  accent-color: #7af;
  margin-right: 0.75rem;
}

.cpRow input[type="number"] {
  width: 36px;
  background: #222;
  border: 1px solid #555;
  color: #eee;
  border-radius: 3px;
  text-align: center;
  font-family: monospace;
  font-size: 0.8rem;
}

.cpRow input[type="checkbox"] {
  accent-color: #7af;
  width: 14px;
  height: 14px;
}

.cpRow select {
  flex: 1;
  background: #222;
  border: 1px solid #555;
  color: #eee;
  border-radius: 3px;
  font-family: monospace;
  font-size: 0.8rem;
  padding: 0.15rem 0.25rem;
  cursor: pointer;
}

.cpRow span {
  flex: 0 0 52px;
  text-align: left;
  color: #eee;
}

#canvasCol {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex: 1;
}

#outputPanel {
  border: 1px solid #333;
  display: flex;
  flex-direction: column;
  flex: 1;
}

#outputTabs {
  display: flex;
  flex-direction: row;
  border-bottom: 1px solid #333;
}

.tabBtn {
  background: none !important;
  border: none;
  border-left: 1px solid #333;
  border-bottom: 1px solid #333;
  border-radius: 0;
  color: #666;
  font-size: 0.75rem;
  font-family: monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem !important;
  cursor: pointer;
  transition: color 0.15s;
  margin-bottom: -1px;
}

.tabBtn:last-child {
  border-right: 1px solid #333;
}

.tabBtn:hover:not(:disabled) {
  background: none !important;
  color: #aaa;
}

.tabBtn.active {
  color: #eee;
  border-bottom: 1px solid #111; /* open bottom — connects to content */
}

#panelCanvas {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.6rem 0.75rem 0;
  flex: 1;
  min-height: 500px;
}

#canvas {
  image-rendering: pixelated;
  /* sized dynamically by JS */
}

#loupeCanvas {
  position: fixed;
  pointer-events: none;
  image-rendering: pixelated;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.6);
  z-index: 1000;
}

#outputInner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem 0.6rem;
  height: 80px;
  box-sizing: border-box;
}

#historyInner {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem 0.6rem;
  height: 80px;
  box-sizing: border-box;
}

#historyControls {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

#historySliders {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.historyRow {
  width: 100%;
}

.historyRow label {
  flex: 0 0 80px;
  color: #aaa;
}

.historyRow input[type="range"] {
  flex: 1;
  min-width: 0;
  accent-color: #7af;
  margin-right: 0.75rem;
}

.historyRow span {
  flex: 0 0 40px;
  text-align: left;
  color: #eee;
}

#historyBtnRow {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-shrink: 0;
}

#historyBtnRow button {
  padding: 0.25rem 1rem;
}

#controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

#btnRow {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
}

#progress {
  color: #aaa;
  font-size: 0.9rem;
  min-height: 1.2em;
}

button {
  background: #222;
  color: #eee;
  border: 1px solid #555;
  padding: 0.5rem 1.5rem;
  font-family: monospace;
  font-size: 0.95rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}

button:hover:not(:disabled) { background: #333; }
button:disabled { opacity: 0.35; cursor: default; }

/* ------------------------------------------------------------
   Run log
   ------------------------------------------------------------ */

#logHeader {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid #333;
  position: sticky;
  top: 0;
  background: #111;
  z-index: 1;
  flex-shrink: 0;
}

#logHeader span {
  font-size: 0.7rem;
  color: #555;
  font-variant: small-caps;
  letter-spacing: 0.06em;
}

#clearLogBtn {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  background: #1a1a1a;
  border: 1px solid #333;
  color: #666;
  border-radius: 3px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

#clearLogBtn:hover { color: #aaa; border-color: #555; background: #1a1a1a; }

.logEntry {
  border-bottom: 1px solid #1e1e1e;
  display: flex;
  flex-direction: row;
  font-size: 0.75rem;
}

.logEntry:hover { background: #161616; }

.logDeleteBtn {
  flex-shrink: 0;
  width: 18px;
  background: none;
  border: none;
  border-right: 1px solid #222;
  color: #444;
  font-size: 0.8rem;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  transition: color 0.15s, background 0.15s;
}

.logDeleteBtn:hover { color: #aaa; background: #1e1e1e; }

.logEntryBody {
  flex: 1;
  min-width: 0;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
}

.logSummary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.logSummaryText { flex: 1; min-width: 0; }

.logSummaryLine1 { color: #eee; margin-bottom: 0.15rem; }
.logSummaryLine2 { color: #888; }
.logDate { color: #666; }

.logSummaryRight {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.15rem;
  flex-shrink: 0;
}

.logFilename { color: #eee; }
.logStatusRow { display: flex; align-items: center; gap: 0.3rem; }
.logStatus { font-size: 0.7rem; }
.logDate { color: #555; font-size: 0.7rem; }
.logChevron { color: #555; font-size: 0.65rem; }

.logDetails {
  display: none;
  margin-top: 0.4rem;
  grid-template-columns: auto auto auto auto;
  gap: 0.15rem 0.4rem;
  font-size: 0.72rem;
}

.logEntry.expanded .logDetails { display: grid; }

.logKey {
  color: #555;
}

.logVal { color: #aaa; }