@import url('https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400;1,700;1,900&family=Merriweather+Sans:ital,wght@0,300;0,400;0,700;0,800;1,300;1,400;1,700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Accessible color palette, WCAG AAA contrast compliant, safe for low vision, color blindness, migraines and seizures */
  --primary-color: #77052b; /* Deep Burgundy (AAA contrast 8.6:1 against white) */
  --primary-hover: #54031e;
  --primary-light: #f6ecf0; /* Very soft rose/cream tint */
  --secondary-color: #5c7f51; /* Darkened Sage Green (high-contrast, colorblind-safe) */
  --accent-color: #c49610; /* Darkened warm gold (WCAG AA compliant contrast) */
  --cell-size: 18px;
  
  --primary-gradient: linear-gradient(135deg, #77052b 0%, #4c021a 100%);
  --secondary-gradient: linear-gradient(135deg, #5c7f51 0%, #436039 100%);
  --bg-gradient: radial-gradient(circle at top right, #faf6f7 0%, #f4eae8 50%, #eae0e3 100%);
  
  --text-dark: #1e1e1e; /* Deep charcoal (AAA contrast 14.8:1 against white, reduces screen glare) */
  --text-muted: #4d4d4d; /* Dark muted gray (AAA contrast 7.6:1 against white, highly readable) */
  --bg-base: #ffffff; /* Base white */
  --bg-surface: #f9f5f3; /* Gentle warm cream (reduces migraine eye-strain) */
  --bg-container: #f5eaee; /* Modernized rose tint */
  
  --border-light: rgba(119, 5, 43, 0.08);
  --border-strong: rgba(119, 5, 43, 0.25);
  
  --shadow-sm: 0 4px 10px rgba(119, 5, 43, 0.03);
  --shadow-md: 0 12px 30px -5px rgba(119, 5, 43, 0.08);
  --shadow-lg: 0 24px 50px -10px rgba(119, 5, 43, 0.16);
  --shadow-focus: 0 0 0 4px rgba(119, 5, 43, 0.14);
  
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#form-section,
#form-section *,
#pattern-section,
#pattern-section *,
.guide-card,
.guide-card * {
  box-sizing: border-box;
}

#form-section,
#pattern-section,
.guide-card {
  margin: 0;
  padding: 0;
}

#form-section,
#pattern-section,
.guide-card {
  font-family: 'Merriweather Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

#form-section h1, #form-section h2, #form-section h3, #form-section h4, #form-section h5, #form-section h6,
#pattern-section h1, #pattern-section h2, #pattern-section h3, #pattern-section h4, #pattern-section h5, #pattern-section h6,
.guide-card h1, .guide-card h2, .guide-card h3, .guide-card h4, .guide-card h5, .guide-card h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.3;
}

/* Modern App Header */
.app-header {
  background: var(--primary-gradient);
  color: var(--bg-base);
  padding: 65px 20px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  border-bottom: none;
  margin-bottom: 45px;
}

.app-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 208, 66, 0.15) 0%, transparent 80%);
  pointer-events: none;
}

.app-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--secondary-gradient);
}

.app-header h1 {
  color: var(--bg-base);
  font-size: 2.75rem;
  margin-bottom: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  letter-spacing: -0.75px;
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.25);
}

.app-header p {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto;
  opacity: 0.92;
  font-style: italic;
  font-weight: 300;
}

/* Container */
.knit-hat-generator-container {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Glassmorphism Cards */
#form-section,
#pattern-section,
.guide-card {
  background: rgba(255, 255, 255, 0.85) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-radius: var(--radius-lg) !important;
  border: 1px solid rgba(255, 255, 255, 0.6) !important;
  box-shadow: var(--shadow-md) !important;
  padding: 45px !important;
  margin-bottom: 35px !important;
  transition: transform var(--transition-normal) !important;
}

#form-section,
#pattern-section {
  border-radius: 0 !important;
  transition: none !important;
  padding-bottom: 70px !important;
}

#form-section:hover {
  transform: none !important;
  box-shadow: var(--shadow-md) !important;
  border-color: rgba(255, 255, 255, 0.6) !important;
}

#pattern-section:hover,
.guide-card:hover {
  transform: none !important;
  box-shadow: var(--shadow-md) !important;
  border-color: rgba(255, 255, 255, 0.6) !important;
}

.section-title {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

#form-section .form-grid + .section-title {
  margin-top: 30px !important;
}

.section-title h2 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: -0.3px;
  color: var(--primary-color);
}

.section-title::after {
  content: '';
  flex-grow: 1;
  height: 1.5px;
  background: linear-gradient(90deg, rgba(119, 5, 43, 0.15) 0%, rgba(119, 5, 43, 0) 100%);
}

/* Grid Layout for Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 35px;
}

@media (max-width: 768px) {
  div.entry-content {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .knit-hat-generator-container {
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .card {
    padding: 30px 20px;
  }
  .app-header h1 {
    font-size: 2.2rem;
  }
}

/* Input Fields */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

#form-section label,
#pattern-section label,
.guide-card label {
  font-family: 'Outfit', sans-serif !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  color: var(--primary-color) !important;
  letter-spacing: 0.1px !important;
}

.input-desc {
  font-size: 0.82rem;
  color: var(--text-dark);
  margin-top: 6px;
  padding: 10px 14px;
  background-color: rgba(92, 127, 81, 0.12); /* soft high-contrast light sage */
  border-left: 3px solid var(--secondary-color);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: 'Outfit', sans-serif;
  line-height: 1.45;
}

#form-section input[type="text"],
#form-section input[type="number"],
#form-section select,
#pattern-section select {
  font-family: 'Outfit', sans-serif !important;
  font-size: 0.95rem !important;
  padding: 12px 18px !important;
  height: auto !important;
  line-height: 1.4 !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid rgba(119, 5, 43, 0.15) !important;
  background-color: var(--bg-base) !important;
  color: var(--text-dark) !important;
  outline: none !important;
  transition: all var(--transition-fast) !important;
  width: 100% !important;
  box-shadow: inset 0 2px 4px rgba(119, 5, 43, 0.02) !important;
}

#form-section input[type="text"]::placeholder,
#form-section input[type="number"]::placeholder {
  color: #a0a0a0 !important;
}

#form-section input[type="text"]:hover,
#form-section input[type="number"]:hover,
#form-section select:hover,
#pattern-section select:hover {
  border-color: rgba(119, 5, 43, 0.35) !important;
}

#form-section input[type="text"]:focus,
#form-section input[type="number"]:focus,
#form-section select:focus,
#pattern-section select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: var(--shadow-focus) !important;
  background-color: #ffffff !important;
}

#form-section select,
#pattern-section select {
  padding-right: 48px !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%2377052b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='m2 5 6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 21px center !important;
  background-size: 14px !important;
  cursor: pointer !important;
}

#form-section select:disabled,
#form-section input:disabled,
#pattern-section select:disabled {
  background-color: rgba(119, 5, 43, 0.03) !important;
  color: var(--text-muted) !important;
  border-color: rgba(119, 5, 43, 0.06) !important;
  cursor: not-allowed !important;
  opacity: 0.6 !important;
}



/* Buttons with modern depth and glows */
#form-section .btn-container,
#pattern-section .btn-container,
.guide-card .btn-container {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  text-align: center !important;
  margin-top: 45px !important;
}

#form-section .btn-container,
#pattern-section .btn-container {
  margin-bottom: 30px !important;
}

#form-section .btn-primary,
#pattern-section .btn-primary,
.guide-card .btn-primary {
  font-family: 'Outfit', sans-serif !important;
  background: var(--primary-gradient) !important;
  color: var(--bg-base) !important;
  font-size: 1.15rem !important;
  font-weight: 600 !important;
  padding: 16px 48px !important;
  border: none !important;
  border-radius: 0 !important;
  cursor: pointer !important;
  box-shadow: 0 10px 20px -5px rgba(119, 5, 43, 0.3) !important;
  transition: all var(--transition-normal) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 12px !important;
  text-decoration: none !important;
}

#form-section .btn-primary:hover,
#pattern-section .btn-primary:hover,
.guide-card .btn-primary:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 15px 25px -5px rgba(119, 5, 43, 0.45) !important;
  color: var(--bg-base) !important;
}

#form-section .btn-primary:active,
#pattern-section .btn-primary:active,
.guide-card .btn-primary:active {
  transform: translateY(-1px) !important;
  box-shadow: 0 8px 15px -5px rgba(119, 5, 43, 0.35) !important;
}

#form-section .btn-secondary,
#pattern-section .btn-secondary,
.guide-card .btn-secondary {
  font-family: 'Outfit', sans-serif !important;
  background-color: var(--primary-color) !important;
  color: var(--bg-base) !important;
  font-size: 0.95rem !important;
  font-weight: 600 !important;
  padding: 12px 28px !important;
  border: 1.5px solid var(--primary-color) !important;
  border-radius: 0 !important;
  cursor: pointer !important;
  transition: all var(--transition-fast) !important;
  box-shadow: var(--shadow-sm) !important;
  text-decoration: none !important;
}

#form-section .btn-secondary:hover,
#pattern-section .btn-secondary:hover,
.guide-card .btn-secondary:hover {
  background-color: var(--bg-base) !important;
  color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-md) !important;
}

/* Pattern Page Style */
.pattern-view {
  display: none;
}

.pattern-view.active {
  display: block;
  animation: fadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.pattern-view:hover {
  transform: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.pattern-meta {
  background: linear-gradient(135deg, rgba(119, 5, 43, 0.01) 0%, rgba(119, 5, 43, 0.06) 100%);
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 40px;
  border: 1px solid rgba(119, 5, 43, 0.08);
  border-left: 6px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.pattern-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 18px;
}

.meta-item {
  font-size: 0.92rem;
  font-family: 'Outfit', sans-serif;
}

.meta-item strong {
  color: var(--primary-color);
  font-weight: 600;
}

.pattern-instructions {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.95;
  color: #2b2b2b;
}

.pattern-instructions h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  margin: 40px 0 20px 0;
  color: var(--primary-color);
}

.pattern-instructions h3:first-of-type {
  margin-top: 0;
}

.pattern-instructions ol, 
.pattern-instructions p {
  margin-bottom: 14px;
}
.pattern-copyright {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1.5px dashed rgba(119, 5, 43, 0.15);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
}


/* Style and Size Section Layout */
.style-size-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 35px;
}

.style-size-container .image-box {
  margin: 0;
}

.style-size-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 32px;
}

@media (max-width: 768px) {
  .style-size-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .style-size-container .image-box {
    margin: 0 auto;
  }
  .style-size-fields {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* Image Card Box */
.image-box {
  width: 100%;
  max-width: 260px;
  height: 330px;
  margin: 0 auto 30px auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  transition: all var(--transition-normal);
  background-color: var(--bg-base);
}

.image-box:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(119, 5, 43, 0.2);
}

.image-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: all var(--transition-normal);
}




/* Flex container to place preview box on the left of select menu */
.additional-input-container {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
}

.additional-input-container select {
  flex: 1;
}

.preview-box-inline {
  width: 120px;
  flex-shrink: 0;
  height: 152px; /* 260:330 aspect ratio */
  border-radius: var(--radius-sm);
  border: 1.5px dashed rgba(119, 5, 43, 0.25);
  background-color: rgba(119, 5, 43, 0.01);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.preview-box-inline:hover {
  background-color: rgba(119, 5, 43, 0.04);
  border-color: rgba(119, 5, 43, 0.45);
}

.preview-box-inline.active {
  border-style: solid;
  border-color: var(--primary-color);
  background-color: var(--bg-base);
  box-shadow: var(--shadow-md);
}

.preview-placeholder-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  font-family: 'Outfit', sans-serif;
  line-height: 1.25;
  padding: 6px;
}

.preview-box-inline img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  padding: 6px;
}

.subtitle-heading {
  font-size: 1.2rem;
  margin-top: 15px;
  margin-bottom: -5px;
  border-bottom: 1.5px dashed rgba(119, 5, 43, 0.15);
  padding-bottom: 8px;
  color: var(--primary-color);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}

/* Help Link styling in Header */
.help-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--bg-base);
  background: var(--primary-color);
  padding: 8px 20px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 0px !important;
}

.help-link:hover {
  background: var(--bg-base);
  color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stitch-count {
  color: var(--primary-color);
}

/* Guide Card Styling */
.guide-card {
  margin: 40px auto;
  max-width: 1020px;
  background-color: var(--bg-surface);
  border: none;
  padding: 40px;
  box-shadow: var(--shadow-lg);
  transition: none !important;
}
.guide-card:hover {
  transform: none !important;
  box-shadow: var(--shadow-lg) !important;
}
.guide-card h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 25px;
  text-align: center;
}
.guide-step {
  margin-bottom: 28px;
}
.guide-step:last-of-type {
  margin-bottom: 0;
}
.guide-step h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 10px;
}
.guide-step p {
  font-family: 'Merriweather Sans', sans-serif;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.guide-step p:last-child {
  margin-bottom: 0;
}
.guide-card strong {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}
.guide-step h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 18px;
  margin-bottom: 8px;
}
.size-table {
  width: 100%;
  max-width: 600px;
  border-collapse: collapse;
  margin-top: 15px;
  margin-bottom: 12px;
  margin-left: 0;
  margin-right: auto;
  font-family: 'Merriweather Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--text-dark);
  border: 1px solid var(--border-strong);
}
.size-table th,
.size-table td {
  padding: 10px 14px;
  text-align: left;
  border: 1px solid var(--border-light);
}
.size-table th {
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  border-bottom: 2px solid var(--primary-color);
}
.size-table tr:nth-child(even) {
  background-color: rgba(119, 5, 43, 0.02);
}
.size-table tr.table-section-row {
  background-color: rgba(119, 5, 43, 0.06);
}
.size-table tr.table-section-row td {
  font-family: 'Outfit', sans-serif;
  color: var(--primary-color);
  font-weight: 700;
}
.btn-close-tab {
  display: inline-block;
  margin-top: 20px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}
.guide-footer {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

/* Help Link Container on Page 1 */
.help-link-container {
  margin-top: 30px !important;
  margin-bottom: 20px !important;
  display: flex !important;
  justify-content: flex-start !important;
}
.help-link-container .help-link {
  margin-top: 0;
}

/* Preview images defaults */
#variation-preview-img,
#additional-preview-img {
  display: none;
}

/* Pattern Page Actions & Buttons */
#pattern-section .pattern-actions {
  margin-top: 30px !important;
  margin-bottom: 20px !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
}
#pattern-section .pattern-actions .btn-primary,
#pattern-section .pattern-actions .btn-secondary,
#pattern-section #back-btn-bottom {
  height: 48px !important;
  box-sizing: border-box !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}
.pattern-view .btn-container {
  margin-top: 30px;
}

/* Pom-pom instructions step-by-step styling */
.pom-pom-step-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 15px;
}
.pom-pom-step {
  background-color: var(--bg-base);
  border: 1px solid var(--border-light);
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}
.pom-pom-step-img {
  max-width: 100%;
  max-height: 150px;
  border: 1px solid var(--border-light);
}
@media (min-width: 600px) {
  .pom-pom-step {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .pom-pom-step p {
    flex: 1;
    margin: 0;
  }
  .pom-pom-step-img {
    max-width: 180px;
    margin-left: 20px;
  }
}

/* Color Chart Styles */
.checkbox-group {
  margin-top: 15px;
  margin-bottom: 5px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-dark);
  cursor: pointer;
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-color);
  border-radius: 4px;
  cursor: pointer;
  accent-color: var(--primary-color);
}
.color-chart-container {
  margin: 35px 0;
  padding: 30px;
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.color-chart-header {
  margin-bottom: 20px;
  border-bottom: 1.5px solid var(--border-light);
  padding-bottom: 15px;
}
.color-chart-header h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--primary-color);
}
.color-chart-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.color-chart-note {
  font-size: 0.95rem;
  color: var(--text-dark);
  margin-top: 6px;
  line-height: 1.4;
}
.color-chart-toolbar {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
  margin-bottom: 20px;
  background: var(--primary-light);
  padding: 15px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}
.color-palette {
  display: flex;
  align-items: center;
  gap: 12px;
}
.color-palette-label {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary-color);
}
.color-tools,
.color-swatches {
  display: flex;
  gap: 8px;
}
.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2.5px solid #ffffff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}
.color-swatch.active {
  transform: scale(1.2);
  box-shadow: 0 0 0 2.5px var(--primary-color);
}
.color-swatch.eraser {
  background-color: #fafafa;
  background-image: none;
  position: relative;
}
.color-swatch.eraser::before,
.color-swatch.eraser::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background-color: #ff3b30;
  border-radius: 1px;
}
.color-swatch.eraser::before {
  transform: translate(-50%, -50%) rotate(45deg);
}
.color-swatch.eraser::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}
.color-swatch.select-tool {
  background-color: #ffffff;
  border: 2px dashed #007aff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.color-swatch.select-tool svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}
.color-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-picker-wrapper label {
  font-size: 0.85rem;
  color: var(--text-dark);
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
}
.color-wheel {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  background: conic-gradient(red, yellow, lime, aqua, blue, magenta, red);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2), var(--shadow-sm);
  border: 3px solid #ffffff;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
.color-wheel.active {
  transform: scale(1.2);
  box-shadow: 0 0 0 2.5px var(--primary-color);
}
.color-wheel-center {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #fafafa;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.15);
  pointer-events: none;
  z-index: 1;
  box-sizing: border-box;
}
.color-wheel input[type="color"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  padding: 0;
  margin: 0;
  border: none;
  z-index: 2;
}
/* Custom Windows-style Color Picker Modal Overlay */
.custom-color-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}

/* Modal Window Container */
.custom-color-modal-window {
  background-color: #f0f0f0;
  border: 1px solid #999999;
  border-radius: 4px;
  width: 520px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  user-select: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}

/* Green Header Bar */
.custom-color-modal-header {
  background: var(--primary-gradient);
  padding: 6px 12px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  min-height: 38px;
  box-sizing: border-box;
}

.custom-color-modal-title {
  font-size: 0.95rem;
  font-weight: bold;
  text-align: center;
}

.custom-color-modal-close-btn {
  position: absolute !important;
  right: 12px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  background: transparent !important;
  background-color: transparent !important;
  border: none !important;
  box-shadow: none !important;
  color: #ffffff !important;
  font-size: 1.5rem !important;
  cursor: pointer !important;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 1 !important;
  width: auto !important;
  height: auto !important;
  min-height: 0 !important;
  min-width: 0 !important;
}

.custom-color-modal-close-btn:hover {
  color: #ff3b30 !important;
  background: transparent !important;
  background-color: transparent !important;
  border: none !important;
  box-shadow: none !important;
  transform: translateY(-50%) !important;
}

/* Modal Body */
.custom-color-modal-body {
  padding: 15px;
  display: flex;
  gap: 20px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(119, 5, 43, 0.12) transparent;
}

/* Custom Scrollbars for Color Picker Components */
.basic-colors-grid::-webkit-scrollbar,
.custom-color-modal-body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.basic-colors-grid::-webkit-scrollbar-track,
.custom-color-modal-body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.02);
}
.basic-colors-grid::-webkit-scrollbar-thumb,
.custom-color-modal-body::-webkit-scrollbar-thumb {
  background: rgba(119, 5, 43, 0.12);
  border-radius: 3px;
}
.basic-colors-grid::-webkit-scrollbar-thumb:hover,
.custom-color-modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(119, 5, 43, 0.25);
}

.modal-left-panel {
  width: 220px;
  display: flex;
  flex-direction: column;
}

.modal-right-panel {
  width: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.modal-label {
  font-size: 0.85rem;
  color: #000000;
  margin-bottom: 6px;
  font-weight: 500;
}

/* Basic and Custom Grid */
.basic-colors-grid {
  display: grid;
  grid-template-columns: repeat(8, 22px);
  grid-gap: 4px;
}

.custom-colors-grid {
  display: grid;
  grid-template-columns: repeat(8, 22px);
  grid-gap: 4px;
}

/* Small square swatches in modal */
.modal-swatch {
  width: 22px;
  height: 22px;
  border: 1px solid #808080;
  cursor: pointer;
  box-sizing: border-box;
}

.modal-swatch:hover {
  border-color: #000000;
}

.custom-swatch-slot.empty {
  background-color: #ffffff;
  border: 1px solid #d0d0d0;
  cursor: default;
}



/* Action Buttons OK / Cancel */
.modal-action-buttons {
  margin-top: auto;
  padding-top: 20px;
  display: flex;
  gap: 10px;
}

.modal-action-buttons button {
  flex: 1;
  height: 30px;
  font-size: 0.85rem;
  font-weight: bold;
  cursor: pointer;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.modal-action-buttons .btn-modal-ok {
  background-color: var(--primary-color);
  color: #ffffff;
  border: 1.5px solid var(--primary-color);
}

.modal-action-buttons .btn-modal-ok:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.modal-action-buttons .btn-modal-cancel {
  background-color: #ffffff;
  color: var(--primary-color);
  border: 1.5px solid var(--primary-color);
}

.modal-action-buttons .btn-modal-cancel:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-color);
}

/* Picker and Slider container */
.picker-and-slider {
  display: flex;
  gap: 12px;
}

.gradient-picker-container {
  position: relative;
  width: 220px;
  height: 180px;
  border: 1px solid #808080;
  cursor: crosshair;
  touch-action: none;
}

.gradient-picker-canvas {
  display: block;
  touch-action: none;
}

.gradient-picker-crosshair {
  position: absolute;
  width: 13px;
  height: 13px;
  pointer-events: none;
  font-size: 14px;
  font-weight: bold;
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.lightness-slider-container {
  position: relative;
  width: 16px;
  height: 180px;
  border: 1px solid #808080;
  cursor: pointer;
  touch-action: none;
}

.lightness-slider-canvas {
  display: block;
  touch-action: none;
}

.lightness-slider-pointer {
  position: absolute;
  right: -8px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 8px solid #000000;
  pointer-events: none;
}

/* Color details */
.color-details-container {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  align-items: flex-start;
}

.color-preview-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
}

.color-preview-box {
  width: 60px;
  height: 42px;
  border: 1px solid #808080;
  background-color: #000000;
}

.color-preview-text {
  font-size: 0.75rem;
  color: #000000;
  margin-top: 4px;
  text-align: center;
}



.btn-add-to-custom {
  margin-top: 12px;
  height: 30px;
  font-size: 0.85rem;
  font-weight: bold;
  background-color: var(--primary-color);
  color: #ffffff;
  border: 1.5px solid var(--primary-color);
  border-radius: 3px;
  cursor: pointer;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-add-to-custom:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

/* Media query for mobile responsive custom color modal */
@media (max-width: 560px) {
  .custom-color-modal-window {
    width: 95%;
    max-width: 290px;
    box-sizing: border-box;
  }
  
  .custom-color-modal-body {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 12px;
    box-sizing: border-box;
  }
  
  .modal-left-panel,
  .modal-right-panel {
    display: contents;
  }
  
  .picker-and-slider {
    order: 1;
    width: 100%;
    justify-content: center;
  }
  
  .color-details-container {
    order: 2;
    width: 100%;
    justify-content: center;
    margin-top: 6px;
  }
  
  .btn-add-to-custom {
    order: 3;
    width: 248px;
    margin: 6px auto 0 auto;
  }
  
  /* Basic colours label */
  .modal-left-panel > .modal-label:nth-of-type(1) {
    display: none;
  }
  
  .basic-colors-grid {
    display: none;
  }
  
  /* Custom colours label */
  .modal-left-panel > .modal-label:nth-of-type(2) {
    order: 6;
    margin-top: 10px !important;
    width: 204px;
    text-align: left;
  }
  
  .custom-colors-grid {
    order: 7;
    justify-content: center;
  }
  
  .modal-action-buttons {
    order: 8;
    width: 248px;
    margin-top: 15px;
    padding-top: 0;
  }
}


.chart-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
.chart-actions-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
  justify-content: center;
}
@media (max-width: 768px) {
  .color-chart-container {
    padding: 20px 15px;
    margin: 25px 0;
  }
  .color-chart-toolbar {
    padding: 12px;
    gap: 15px;
  }
  .color-palette {
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }
  .chart-actions {
    margin-left: 0;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
  .btn-chart-action {
    flex: 1 1 auto;
    text-align: center;
  }
}
.btn-chart-action {
  display: inline-flex !important;
  align-items: stretch !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
  cursor: pointer !important;
  font-family: 'Outfit', sans-serif !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  letter-spacing: 0.05em !important;
  text-transform: uppercase !important;
  border-radius: 0 !important; /* No rounded corners */
  margin: 0 !important;
  position: relative !important;
  filter: drop-shadow(0 2.5px 0 rgba(0, 0, 0, 0.12)) !important;
  transition: transform 0.05s ease, filter 0.05s ease !important;
  box-shadow: none !important;
  height: auto !important;
  line-height: normal !important;
}

.btn-chart-action:active {
  transform: translateY(1.5px) !important;
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.12)) !important;
}

.btn-chart-action .btn-icon-part {
  background: #ffffff !important;
  padding: 6px 10px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 0 !important;
  border: 1.5px solid rgba(0, 0, 0, 0.15) !important;
  border-right: none !important;
  box-sizing: border-box !important;
  height: auto !important;
}

.btn-chart-action .btn-icon-part svg {
  width: 14px !important;
  height: 14px !important;
  display: block !important;
}

.btn-chart-action .btn-text-part {
  color: #ffffff !important;
  padding: 6px 12px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-weight: 700 !important;
  border-radius: 0 !important;
  border: 1.5px solid rgba(0, 0, 0, 0.15) !important;
  border-left: none !important;
  box-sizing: border-box !important;
  height: auto !important;
}

/* Set 1: Undo & Redo (Slate/Charcoal theme) */
.btn-undo-chart .btn-text-part, .btn-redo-chart .btn-text-part, .btn-undo-resize .btn-text-part, .btn-resize-cancel .btn-text-part, .btn-hide-chart-section .btn-text-part {
  background: #555555 !important;
  border-color: #555555 !important;
}
.btn-undo-chart .btn-icon-part, .btn-redo-chart .btn-icon-part, .btn-undo-resize .btn-icon-part, .btn-resize-cancel .btn-icon-part, .btn-hide-chart-section .btn-icon-part {
  border-color: #bbbbbb !important;
}
.btn-undo-chart .btn-icon-part svg, .btn-redo-chart .btn-icon-part svg, .btn-undo-resize .btn-icon-part svg, .btn-resize-cancel .btn-icon-part svg, .btn-hide-chart-section .btn-icon-part svg {
  fill: none !important;
  stroke: #555555 !important;
}
.btn-undo-chart:hover .btn-text-part, .btn-redo-chart:hover .btn-text-part, .btn-undo-resize:hover .btn-text-part, .btn-resize-cancel:hover .btn-text-part, .btn-hide-chart-section:hover .btn-text-part {
  background: #3c3c3c !important;
}

/* Set 2: Cut, Copy, Paste (Knitting-and Burgundy theme) & Apply */
.btn-cut-chart .btn-text-part, .btn-copy-chart .btn-text-part, .btn-paste-chart .btn-text-part, .btn-resize-apply .btn-text-part {
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}
.btn-cut-chart .btn-icon-part, .btn-copy-chart .btn-icon-part, .btn-paste-chart .btn-icon-part, .btn-resize-apply .btn-icon-part {
  border-color: var(--border-strong) !important;
}
.btn-cut-chart .btn-icon-part svg, .btn-copy-chart .btn-icon-part svg, .btn-paste-chart .btn-icon-part svg, .btn-resize-apply .btn-icon-part svg {
  fill: none !important;
  stroke: var(--primary-color) !important;
}
.btn-cut-chart:hover .btn-text-part, .btn-copy-chart:hover .btn-text-part, .btn-paste-chart:hover .btn-text-part, .btn-resize-apply:hover .btn-text-part {
  background: var(--primary-hover) !important;
}

/* Set 3: Clear All & Fill All (Migraine-safe Dark Rust theme) */
.btn-clear-chart .btn-text-part, .btn-fill-chart .btn-text-part {
  background: #8c2d19 !important;
  border-color: #8c2d19 !important;
}
.btn-clear-chart .btn-icon-part, .btn-fill-chart .btn-icon-part {
  border-color: rgba(140, 45, 25, 0.25) !important;
}
.btn-clear-chart .btn-icon-part svg, .btn-fill-chart .btn-icon-part svg {
  fill: none !important;
  stroke: #8c2d19 !important;
}
.btn-clear-chart:hover .btn-text-part, .btn-fill-chart:hover .btn-text-part {
  background: #722414 !important;
}

/* Set 4: Resize (Accessible Sage Green theme) */
.btn-resize-chart .btn-text-part, .btn-resize-trim .btn-text-part {
  background: #436039 !important;
  border-color: #436039 !important;
}
.btn-resize-chart .btn-icon-part, .btn-resize-trim .btn-icon-part {
  border-color: rgba(92, 127, 81, 0.25) !important;
}
.btn-resize-chart .btn-icon-part svg, .btn-resize-trim .btn-icon-part svg {
  fill: none !important;
  stroke: #436039 !important;
}
.btn-resize-chart:hover .btn-text-part, .btn-resize-trim:hover .btn-text-part {
  background: #31462a !important;
}

/* Set 5: Help (Deep Navy Blue theme) */
.btn-help-chart .btn-text-part {
  background: #1a4f72 !important;
  border-color: #1a4f72 !important;
}
.btn-help-chart .btn-icon-part {
  border-color: rgba(26, 79, 114, 0.25) !important;
}
.btn-help-chart .btn-icon-part svg {
  fill: none !important;
  stroke: #1a4f72 !important;
}
.btn-help-chart:hover .btn-text-part {
  background: #113a55 !important;
}
.chart-grid-wrapper {
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  padding: 15px 0;
  border: 1px solid var(--border-light);
  background-color: var(--bg-base);
  margin-bottom: 15px;
  border-radius: var(--radius-sm);
}
.chart-grid-wrapper::-webkit-scrollbar {
  height: 10px;
}
.chart-grid-wrapper::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.02);
}
.chart-grid-wrapper::-webkit-scrollbar-thumb {
  background: rgba(119, 5, 43, 0.12);
  border-radius: 5px;
}
.chart-grid-wrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(119, 5, 43, 0.25);
}
.chart-grid {
  display: flex;
  flex-direction: column-reverse; /* Bottom row of cells represents round 1 */
  margin: 0 auto;
  width: max-content;
  user-select: none;
  background: #ffffff;
  border: 1.5px solid #bbbbbb;
  padding: 12px;
}
.chart-row {
  display: flex;
  align-items: center;
  height: var(--cell-size);
}
.chart-row-label {
  width: 35px;
  text-align: right;
  padding-right: 8px;
  color: var(--text-dark);
  font-family: 'Outfit', sans-serif;
  font-weight: normal;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-size: clamp(8px, calc(var(--cell-size) * 0.85), 12px);
  height: var(--cell-size);
}
.chart-row-label-right {
  width: 35px;
  text-align: left;
  padding-left: 8px;
  color: var(--text-dark);
  font-family: 'Outfit', sans-serif;
  font-weight: normal;
  user-select: none;
  display: flex;
  align-items: center;
  font-size: clamp(8px, calc(var(--cell-size) * 0.85), 12px);
  height: var(--cell-size);
}
.chart-cells {
  display: flex;
  border-top: 1px solid #dddddd;
}
.chart-row:first-child .chart-cells {
  border-bottom: 1px solid #dddddd;
}
.chart-cell {
  width: var(--cell-size);
  height: var(--cell-size);
  border-left: 1px solid #dddddd;
  background-color: #ffffff;
  cursor: default;
  transition: background-color var(--transition-fast);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--cell-size) * 0.75);
  font-family: sans-serif;
  font-weight: bold;
  color: #333333;
  user-select: none;
}
.chart-cell i {
  font-style: italic;
}
.chart-cell:last-child {
  border-right: 1px solid #dddddd;
}
.chart-cell:nth-last-child(5n) {
  border-left: 2px solid #555555 !important;
}
.chart-row:nth-child(5n) .chart-cells {
  border-top: 2px solid #555555 !important;
}
.chart-cell.no-stitch {
  background-color: #e6e6e6;
  background-image: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(0, 0, 0, 0.05) 3px, rgba(0, 0, 0, 0.05) 6px);
  cursor: not-allowed;
  border-color: #cccccc;
}
.chart-cell.selected {
  position: relative;
  z-index: 5;
  cursor: grab;
}
.chart-cell.selected:active {
  cursor: grabbing;
}
.chart-cell.drag-destination {
  position: relative;
  z-index: 6;
}
.chart-grid-footer {
  display: flex;
  justify-content: center;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
}

@media print {
  .color-chart-toolbar,
  .btn-chart-action,
  .color-chart-description {
    display: none !important;
  }
  .color-chart-container {
    border: none !important;
    box-shadow: none !important;
    background: #ffffff !important;
    page-break-inside: avoid;
    margin-top: 20px;
    padding: 15px;
  }
  .chart-grid-wrapper {
    overflow: visible !important;
    max-width: 100% !important;
    background: #ffffff !important;
    border: none !important;
    padding: 0 !important;
  }
  .chart-grid {
    border: 1px solid #666666 !important;
    box-shadow: none !important;
    margin: 0 auto !important;
    padding: 5px !important;
  }
  .chart-cell {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  .chart-cell.no-stitch {
    background-color: #e6e6e6 !important;
    background-image: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(0, 0, 0, 0.05) 3px, rgba(0, 0, 0, 0.05) 6px) !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}

.chart-wrapper-inner {
  margin-bottom: 30px;
}
.chart-wrapper-inner:last-child {
  margin-bottom: 0;
}

.lined-ski-cap-note {
  margin-top: 10px;
  padding: 10px 14px;
  background-color: transparent;
  border-left: 4px solid #007aff;
  color: inherit;
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 4px;
  line-height: 1.45;
}
.chart-row.scarf-boundary .chart-cells {
  border-top: 3px solid #ff3b30 !important;
}
.chart-row.lined-ski-cap-boundary .chart-cells {
  border-top: 3px solid #007aff !important;
}

@media print {
  .chart-wrapper-inner {
    page-break-inside: avoid;
    margin-bottom: 25px;
  }

  .lined-ski-cap-note {
    background-color: transparent !important;
    border-left: 4px solid #007aff !important;
    color: #000000 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  .chart-row.scarf-boundary .chart-cells {
    border-top: 3px solid #ff3b30 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  .chart-row.lined-ski-cap-boundary .chart-cells {
    border-top: 3px solid #007aff !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}




/* ── Chart Resize Panel (fixed popup) ─────────────────────────────────── */
.chart-resize-panel {
  display: none; /* shown via JS panel.style.display = 'flex' */
  flex-direction: column;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  position: fixed;
  z-index: 9000;
  width: 360px;
  max-width: calc(100vw - 32px);
  box-sizing: border-box;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18), 0 2px 8px rgba(0,0,0,0.1);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: resizePanelIn 0.18s ease;
}
@keyframes resizePanelIn {
  from { opacity: 0; transform: translate(-50%, -48%); }
  to   { opacity: 1; transform: translate(-50%, -50%); }
}
.chart-resize-panel-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary-color);
  margin: 0 0 2px 0;
}
.chart-resize-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chart-resize-section-label {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.chart-resize-inputs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.chart-resize-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.chart-resize-input-group label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  color: var(--text-dark);
  white-space: nowrap;
}
.chart-resize-input-group input[type='number'] {
  width: 64px;
  padding: 5px 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text-dark);
  text-align: center;
  -moz-appearance: textfield;
}
.chart-resize-input-group input[type='number']::-webkit-outer-spin-button,
.chart-resize-input-group input[type='number']::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.chart-resize-input-group input[type='number']:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 1px;
}
.chart-resize-or {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}
.chart-resize-or::before,
.chart-resize-or::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-light);
}
.chart-resize-message {
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  height: 36px;
  width: 100%;
  margin: 0;
  display: flex;
  align-items: center;
}
@media (max-width: 768px) {
  .chart-resize-inputs { gap: 8px; }
}
@media print {
  .chart-resize-panel { display: none !important; }
  .btn-resize-chart { display: none !important; }
}

/* Resize panel header row (title + close button) */
.chart-resize-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}
.btn-resize-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 2px;
  transition: color 0.15s;
  flex-shrink: 0;
}
.btn-resize-close:hover { color: var(--primary-color); }

/* Resize Panel Footer */
.chart-resize-footer {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
}
.chart-resize-footer .btn-chart-action {
  flex: 1;
  margin: 0;
  justify-content: center;
}
.chart-resize-footer .btn-chart-action .btn-text-part {
  flex-grow: 1;
}
.btn-undo-resize:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
@media print { .btn-resize-close { display: none !important; } }

/* -- Colour warning toast (near cursor) -------------------------------- */
.chart-no-colour-toast {
  position: fixed;
  transform: translate(-50%, -100%);
  background: #1a1a2e;
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 20px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  animation: toastIn 0.2s ease, toastOut 0.3s ease 1.9s forwards;
  pointer-events: none;
  z-index: 10000;
}
@keyframes toastIn  { from { opacity:0; transform:translate(-50%, -85%); } to { opacity:1; transform:translate(-50%, -100%); } }
@keyframes toastOut { from { opacity:1; transform:translate(-50%, -100%); } to { opacity:0; transform:translate(-50%, -100%); } }

/* -- Resize panel as fixed popup centered ---------------------------------- */

/* -- Hide/show chart section ----------------------------------------------- */
.chart-section-hidden .chart-grid-wrapper,
.chart-section-hidden .chart-grid-footer {
  display: none !important;
}
.chart-section-hidden .color-chart-header {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
  opacity: 0.55;
}
.chart-section-hidden.chart-wrapper-inner {
  border: 2px dashed var(--border-light);
  background: transparent;
  padding-bottom: 0;
}
@media print {
  .chart-section-hidden { display: none !important; }
  .chart-resize-panel { display: none !important; }
}

/* Unified button styling, hover, and active animations for main actions */
.btn-primary, .btn-secondary, .help-link {
  font-family: 'Outfit', sans-serif !important;
  background: var(--primary-color) !important;
  color: #ffffff !important;
  border: 1.5px solid var(--primary-color) !important;
  border-radius: 0 !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-decoration: none !important;
  height: 46px !important;
  box-sizing: border-box !important;
  font-size: 1rem !important;
  padding: 0 32px !important;
  line-height: 1 !important;
  text-transform: none !important;
  box-shadow: 0 4px 10px rgba(119, 5, 43, 0.2) !important;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
              box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
              background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
              border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-primary:hover, .btn-secondary:hover, .help-link:hover {
  background: var(--primary-hover) !important;
  border-color: var(--primary-hover) !important;
  transform: translateY(-2.5px) !important;
  box-shadow: 0 8px 16px rgba(119, 5, 43, 0.35) !important;
  color: #ffffff !important;
}

.btn-primary:active, .btn-secondary:active, .help-link:active {
  transform: translateY(0) !important;
  box-shadow: 0 4px 8px rgba(119, 5, 43, 0.2) !important;
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}

/* Print Styles moved to end of file to override late-defining !important rules */
@media print {
  *,
  *:before,
  *:after,
  *:hover,
  *:focus,
  html,
  body,
  div,
  div:hover,
  section,
  section:hover,
  button,
  button:hover,
  .btn,
  .btn:hover,
  .btn-primary,
  .btn-primary:hover,
  .btn-secondary,
  .btn-secondary:hover,
  .btn-chart-action,
  .btn-chart-action:hover,
  .help-link,
  .help-link:hover,
  .card,
  .card:hover,
  .guide-card,
  .guide-card:hover,
  #form-section,
  #form-section:hover,
  #pattern-section,
  #pattern-section:hover,
  .pattern-view,
  .pattern-view:hover {
    box-shadow: none !important;
    text-shadow: none !important;
  }
  body {
    background: white !important;
    background-color: white !important;
    color: black !important;
    font-size: 12pt !important;
    line-height: 1.5 !important;
  }
  .app-header,
  div.help-link-container,
  div.btn-container,
  div.no-print,
  .no-print *,
  #pattern-section .btn-container,
  #form-section .btn-container,
  .btn-container,
  #pattern-section .pattern-actions,
  #back-btn,
  #print-btn,
  #pattern-section #back-btn-bottom,
  #back-btn-bottom,
  button,
  .btn,
  .btn-primary,
  .btn-secondary,
  .btn-chart-action,
  .help-link {
    display: none !important;
  }
  .container {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  #form-section,
  #pattern-section,
  .guide-card,
  .card {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .pattern-meta {
    background-color: #f7eff2 !important; /* soft rose tint */
    border-left: none !important;
  }
}