:root {
  --bg-dark: #fbfaf7;          /* Warm book-paper cream canvas */
  --panel-dark: #ffffff;       /* Pure white crisp sheets */
  --border-color: #2b2b2b;     /* Fine charcoal ink border lines */
  --text-main: #1a1a1a;        /* High-contrast deep carbon text */
  --text-muted: #6b6b6b;       /* Soft pencil gray for metadata */
  --accent-color: #3b3b3b;     /* Deep charcoal solid emphasis elements */
  --color-pass: #e2f0d9;       /* Extremely subtle muted green pass tint */
  --color-fail: #fce4d6;       /* Extremely subtle muted salmon red fail tint */
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  /* Premium literary-editorial clean typography stack */
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Georgia, Serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  padding: 3rem;
  line-height: 1.6;
}

header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

header h1 {
  font-size: 2.2rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  font-family: Georgia, serif;
}

header p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 0.25rem;
  font-style: italic;
}

.dashboard-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
}

.panel {
  background-color: var(--panel-dark);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2rem;
}

.panel h2 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px dashed #d1d1d1;
  padding-bottom: 0.5rem;
}

.scene-row {
  border: 1px dashed var(--border-color);
  background-color: var(--bg-dark);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 2px;
}

.scene-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  font-family: Georgia, serif;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group-output {
  margin-top: 2rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

textarea, input, select {
  width: 100%;
  background-color: var(--panel-dark);
  border: 1px solid var(--border-color);
  border-radius: 2px;
  color: var(--text-main);
  padding: 0.75rem;
  font-size: 0.95rem;
  transition: background-color 0.2s ease;
}

textarea {
  resize: vertical;
  min-height: 90px;
  font-family: inherit;
}

textarea:focus, input:focus, select:focus {
  outline: none;
  background-color: #f7f5f0; /* Subtle tactile field focus warm-up */
}

button {
  background-color: var(--accent-color);
  color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.9rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 2px;
  cursor: pointer;
  width: 100%;
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease, color 0.2s ease;
}

button:hover {
  background-color: var(--text-main);
}

.secondary-btn {
  background-color: transparent;
  color: var(--text-main);
  border: 1px dashed var(--border-color);
  margin-bottom: 1rem;
}

.secondary-btn:hover {
  background-color: #f1eee7;
  color: var(--text-main);
}

#results-placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.status-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-color);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  border-radius: 2px;
}

.status-pass { 
  background-color: var(--color-pass); 
  color: #2e4d22;
}

.status-fail { 
  background-color: var(--color-fail); 
  color: #662211;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.metric-card {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 2px;
}

.metric-card span {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.metric-card strong {
  font-size: 1.8rem;
  font-weight: 400;
  font-family: Georgia, serif;
}

.translation-output-box {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  font-size: 1rem;
  line-height: 1.6;
  white-space: pre-line;
  border-radius: 2px;
}

.progress-bar-container {
  background: #eae6df; 
  border: 1px solid var(--border-color); 
  height: 14px; 
  width: 100%; 
  overflow: hidden;
  border-radius: 1px;
}

#percentage-label {
  font-weight: 600;
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.char-counter-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-family: inherit;
  letter-spacing: 0.02em;
}

/* =========================================================
   INDIVIDUAL SCENE CARD LAYOUT ELEMENTS
   ========================================================= */
.individual-scene-card {
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  background-color: var(--bg-dark);
  border-radius: 2px;
}

.scene-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.scene-card-header h4 {
  font-family: Georgia, serif;
  font-size: 1rem;
}

.scene-translation-text {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  white-space: pre-line;
}

.progress-bar-label {
  color: var(--text-muted);
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.progress-bar-fill {
  height: 100%;
  width: 0%; /* Default layout start position */
  transition: width 0.6s cubic-bezier(0.1, 0.8, 0.2, 1);
}

.bar-fill-pass {
  background-color: var(--accent-color); /* E-Ink standard pass keeps it crisp charcoal */
}

.bar-fill-fail {
  background-color: #c94c4c; /* Distinct dark charcoal-red tint specifically for errors */
}

/* Make the dashboard responsive on smaller screens */
@media (max-width: 900px) {
  .dashboard-container {
    grid-template-columns: 1fr; /* Switch from 2 columns to a single stack */
    gap: 2rem;
  }
  
  body {
    padding: 1.5rem; /* Reduce heavy outer padding on mobile/smaller windows */
  }
}