/* =========================================
   BASE & TOASTS (Shared across all tools)
   ========================================= */
body { 
  background: linear-gradient(135deg, #f5f7ff 0%, #eef2ff 100%); 
  font-family: 'Inter', sans-serif; 
  margin: 0; padding: 0; font-size: 14px;
}
#customToast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #1e293b; color: white; padding: 12px 24px; border-radius: 40px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2); font-weight: 500; z-index: 9999;
  opacity: 0; transition: opacity 0.3s ease; pointer-events: none; 
  display: flex; align-items: center; gap: 8px; font-size: 14px;
}
#customToast.show, .toast.show { opacity: 1; }
#customToast i { font-size: 18px; }
.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: #1e293b; color: white; padding: 8px 16px; border-radius: 32px;
  font-weight: 500; font-size: 13px; z-index: 1000; opacity: 0;
  transition: opacity 0.2s; pointer-events: none; 
  display: flex; align-items: center; gap: 6px;
}

/* =========================================
   COMMON UI COMPONENTS
   ========================================= */
textarea { resize: vertical; font-size: 14px; }
.convert-btn, .action-btn { transition: all 0.2s; }
.convert-btn:active, .action-btn:active { transform: scale(0.97); }
.file-drop-zone { 
  transition: all 0.3s; border: 2px dashed #8b5cf6; background: #fff; 
  border-radius: 12px; padding: 24px; text-align: center; cursor: pointer; 
}
.file-drop-zone.drag-over { background: #f3e8ff; border-color: #6d28d9; }
.progress-bar { transition: width 0.3s ease; }
.preview-box { 
  max-height: 240px; overflow-y: auto; background: #f9fafb; 
  border-radius: 10px; padding: 12px; font-size: 14px; 
  line-height: 1.5; white-space: pre-wrap; word-break: break-word; 
}
select { 
  cursor: pointer; appearance: none; 
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E"); 
  background-position: right 0.5rem center; background-repeat: no-repeat; 
  background-size: 1.2em 1.2em; font-size: 14px; 
}
.compact-container { max-width: 1200px; margin: 0 auto; }
.section-margin { margin-bottom: 1.25rem; }
h1 { font-size: 1.8rem; }
h2 { font-size: 1.2rem; }
.result-card { background: #f8fafc; border-radius: 16px; padding: 16px; border: 1px solid #e2e8f0; }
.mode-btn.active { background-color: #2563eb; color: white; }
.case-btn { transition: all 0.15s; }
.case-btn.active { background-color: #4f46e5; color: white; }

/* =========================================
   TEXT REPEATER FONT STYLES
   ========================================= */
.font-default { font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; }
.font-arial { font-family: Arial, Helvetica, sans-serif; }
.font-times { font-family: 'Times New Roman', Times, serif; }
.font-courier { font-family: 'Courier New', Courier, monospace; }
.font-georgia { font-family: Georgia, 'Times New Roman', serif; }
.font-comic { font-family: 'Comic Sans MS', 'Chalkboard SE', cursive; }
.font-verdana { font-family: Verdana, Geneva, sans-serif; }
.font-impact { font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif; }
.font-trebuchet { font-family: 'Trebuchet MS', 'Lucida Sans Unicode', sans-serif; }
.font-palatino { font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, serif; }
.font-brush { font-family: 'Brush Script MT', 'Lucida Handwriting', cursive; }

/* =========================================
   TEXT NOTES STYLES
   ========================================= */
* { box-sizing: border-box; }
.page-a4 { width: 210mm; height: 297mm; background: white; box-shadow: 0 12px 30px rgba(0,0,0,0.15); margin: 0 auto 1.5rem auto; border-radius: 4px; overflow: hidden; position: relative; }
.page-a5 { width: 148mm; height: 210mm; background: white; box-shadow: 0 12px 30px rgba(0,0,0,0.15); margin: 0 auto 1.5rem auto; border-radius: 4px; position: relative; }
.page-letter { width: 8.5in; height: 11in; background: white; box-shadow: 0 12px 30px rgba(0,0,0,0.15); margin: 0 auto 1.5rem auto; border-radius: 4px; position: relative; }
.page-wide { width: 100%; min-height: 500px; background: white; box-shadow: 0 8px 20px rgba(0,0,0,0.1); margin: 0 auto 1.5rem auto; border-radius: 1rem; position: relative; }
.page-card { width: 100%; min-height: 400px; background: white; border-radius: 1.5rem; box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1); margin: 0 auto 1.5rem auto; position: relative; }
.page-infinite { width: 100%; min-height: 600px; background: white; box-shadow: 0 8px 20px rgba(0,0,0,0.1); margin: 0 auto 1.5rem auto; border-radius: 1rem; position: relative; }
.page-textarea { position: absolute; top: 5mm; left: 5mm; right: 5mm; bottom: 5mm; width: auto; height: auto; margin: 0; border: none; outline: none; background: transparent; font-size: 14pt; line-height: 1.5; padding: 0.5rem; resize: none; font-family: 'Inter', sans-serif; color: #1e293b; box-shadow: none; border-radius: 0; overflow-y: auto; user-select: text; -webkit-user-select: text; }
.paper-notebook { background-image: repeating-linear-gradient(transparent, transparent 28px, rgba(100,116,139,0.2) 28px, rgba(100,116,139,0.2) 29px); background-attachment: local; }
.paper-ruled { background-image: repeating-linear-gradient(transparent, transparent 26px, #cbd5e1 26px, #cbd5e1 27px); background-attachment: local; }
.paper-english { background-image: repeating-linear-gradient(transparent, transparent 22px, #cbd5e1 22px, #cbd5e1 23px), linear-gradient(to right, #fca5a5 0px, #fca5a5 52px, transparent 52px); background-attachment: local; }
.paper-grid { background-image: linear-gradient(to right, #e2e8f0 1px, transparent 1px), linear-gradient(to bottom, #e2e8f0 1px, transparent 1px); background-size: 24px 24px; }
.paper-dotted { background-image: radial-gradient(circle, #94a3b8 1.2px, transparent 1.2px); background-size: 20px 20px; }
.paper-vintage { background-color: #fdf8ed; background-image: repeating-linear-gradient(transparent, transparent 30px, rgba(160,120,60,0.12) 30px, rgba(160,120,60,0.12) 31px); }
.paper-legal { background-color: #fff9e8; background-image: repeating-linear-gradient(transparent, transparent 32px, #e5d5b0 32px, #e5d5b0 33px); }
.paper-music { background-image: repeating-linear-gradient(transparent, transparent 18px, #000 18px, #000 19px, transparent 19px, transparent 36px, #000 36px, #000 37px); background-size: 100% 37px; }
.paper-isometric { background-image: linear-gradient(30deg, #cbd5e1 1px, transparent 1px), linear-gradient(-30deg, #cbd5e1 1px, transparent 1px); background-size: 30px 30px; }
.paper-cornell { background-image: linear-gradient(to right, #e2e8f0 1px, transparent 1px), repeating-linear-gradient(transparent, transparent 26px, #cbd5e1 26px, #cbd5e1 27px); background-size: 80px 100%, 100% 27px; background-attachment: local; }
.paper-handwriting { background-image: repeating-linear-gradient(transparent, transparent 28px, #a0c4ff 28px, #a0c4ff 29px); background-attachment: local; }
.paper-plain { background-image: none; }
.delete-page-btn { position: absolute; top: 8px; right: 8px; background: rgba(255,255,255,0.9); border-radius: 999px; padding: 4px 8px; font-size: 12px; cursor: pointer; opacity: 0; transition: opacity 0.2s; color: #ef4444; border: 1px solid #e5e7eb; z-index: 20; }
.paper-page:hover .delete-page-btn { opacity: 1; }
.paper-page { position: relative; }
#pagesContainer { max-height: 50vh; overflow-y: auto; padding: 0.5rem; }
#customConfirmOverlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.3); backdrop-filter: blur(3px); z-index: 10000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: 0.2s; }
#customConfirmOverlay.show { opacity: 1; visibility: visible; }
.confirm-box { background: white; border-radius: 20px; padding: 24px; max-width: 360px; width: 90%; box-shadow: 0 20px 40px rgba(0,0,0,0.2); text-align: center; }
.confirm-box i { font-size: 40px; color: #ef4444; margin-bottom: 12px; }
.confirm-box h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.confirm-box p { color: #64748b; margin-bottom: 24px; }
.confirm-actions { display: flex; gap: 12px; justify-content: center; }
.confirm-actions button { padding: 8px 20px; border-radius: 40px; font-weight: 500; border: none; cursor: pointer; transition: 0.2s; }
.btn-cancel { background: #f1f5f9; color: #334155; }
.btn-confirm { background: #ef4444; color: white; }
@media (max-width: 768px) {
  .page-a4, .page-a5, .page-letter { width: 100%; height: auto; min-height: 80vh; }
  .page-textarea { top: 5mm; left: 5mm; right: 5mm; bottom: 5mm; }
}
@media print {
  .no-print { display: none; }
  .paper-page { box-shadow: none; margin: 0; page-break-after: always; }
}

/* =========================================
   WORD CLOUD & WORD COUNTER STYLES
   ========================================= */
canvas { display: block; margin: 0 auto; border-radius: 16px; box-shadow: 0 8px 20px rgba(0,0,0,0.08); background: white; }
.stat-card { transition: transform 0.2s, box-shadow 0.2s; }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }





/* ============================================
   TEXT NOTES - PAGE SIZES & PAPER STYLES
   ============================================ */

/* Base Paper Page */
.paper-page {
  position: relative;
  margin: 0 auto 20px;
  background: white;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.paper-page:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

/* Delete Button */
.paper-page .delete-page-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  background: rgba(239, 68, 68, 0.9);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.2s;
  z-index: 10;
  font-size: 14px;
}

.paper-page:hover .delete-page-btn {
  opacity: 1;
}

.paper-page .delete-page-btn:hover {
  background: #dc2626;
  transform: scale(1.1);
}

/* Page Textarea */
.page-textarea {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border: none;
  outline: none;
  resize: vertical;
  background: transparent;
  padding: 40px 50px;
  line-height: 1.8;
  box-sizing: border-box;
}

.page-textarea::placeholder {
  color: rgba(0,0,0,0.2);
  font-style: italic;
}

/* ============================================
   PAGE SIZES
   ============================================ */
.page-a4 {
  width: 210mm;
  min-height: 297mm;
  max-width: 100%;
}

.page-a5 {
  width: 148mm;
  min-height: 210mm;
  max-width: 100%;
}

.page-letter {
  width: 8.5in;
  min-height: 11in;
  max-width: 100%;
}

.page-wide {
  width: 100%;
  min-height: 500px;
}

.page-card {
  width: 400px;
  min-height: 300px;
  max-width: 100%;
}

.page-infinite {
  width: 100%;
  min-height: 800px;
}

/* ============================================
   PAPER STYLES (Backgrounds)
   ============================================ */

/* Plain - No lines */
.paper-plain {
  background-image: none;
}

/* Notebook - Horizontal lines */
.paper-notebook {
  background-image: repeating-linear-gradient(
    transparent,
    transparent 27px,
    #e5e7eb 27px,
    #e5e7eb 28px
  );
  background-position: 0 40px;
}

/* Ruled - Standard ruled lines */
.paper-ruled {
  background-image: repeating-linear-gradient(
    transparent,
    transparent 25px,
    #cbd5e1 25px,
    #cbd5e1 26px
  );
  background-position: 0 40px;
}

/* English Rule - Lines with red margin */
.paper-english {
  background-image: 
    repeating-linear-gradient(
      transparent,
      transparent 24px,
      #cbd5e1 24px,
      #cbd5e1 25px
    ),
    linear-gradient(to right, transparent 50px, #fca5a5 50px, #fca5a5 52px, transparent 52px);
  background-position: 0 40px, 0 0;
  background-size: 100% 100%, 100% 100%;
}

/* Grid - Graph paper */
.paper-grid {
  background-image: 
    linear-gradient(#e5e7eb 1px, transparent 1px),
    linear-gradient(90deg, #e5e7eb 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: 0 40px;
}

/* Dotted - Bullet journal dots */
.paper-dotted {
  background-image: radial-gradient(circle, #9ca3af 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: 10px 50px;
}

/* Vintage - Old paper look */
.paper-vintage {
  background-color: #fef3c7 !important;
  background-image: 
    repeating-linear-gradient(
      transparent,
      transparent 29px,
      #d97706 29px,
      #d97706 30px
    ),
    radial-gradient(ellipse at top left, rgba(217, 119, 6, 0.1), transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(217, 119, 6, 0.1), transparent 50%);
  background-position: 0 40px, 0 0, 0 0;
}

/* Legal Pad - Yellow paper */
.paper-legal {
  background-color: #fef9c3 !important;
  background-image: repeating-linear-gradient(
    transparent,
    transparent 31px,
    #84cc16 31px,
    #84cc16 32px
  );
  background-position: 0 40px;
}

/* Music Staff - Musical notation */
.paper-music {
  background-image: repeating-linear-gradient(
    transparent,
    transparent 36px,
    transparent 37px,
    #1f2937 37px,
    #1f2937 38px,
    transparent 38px,
    transparent 42px,
    #1f2937 42px,
    #1f2937 43px,
    transparent 43px,
    transparent 47px,
    #1f2937 47px,
    #1f2937 48px,
    transparent 48px,
    transparent 52px,
    #1f2937 52px,
    #1f2937 53px,
    transparent 53px,
    transparent 57px,
    #1f2937 57px,
    #1f2937 58px,
    transparent 58px
  );
  background-position: 0 40px;
}

/* Isometric - Technical drawing */
.paper-isometric {
  background-image: 
    linear-gradient(30deg, #e5e7eb 12%, transparent 12.5%, transparent 87%, #e5e7eb 87.5%, #e5e7eb),
    linear-gradient(150deg, #e5e7eb 12%, transparent 12.5%, transparent 87%, #e5e7eb 87.5%, #e5e7eb),
    linear-gradient(30deg, #e5e7eb 12%, transparent 12.5%, transparent 87%, #e5e7eb 87.5%, #e5e7eb),
    linear-gradient(150deg, #e5e7eb 12%, transparent 12.5%, transparent 87%, #e5e7eb 87.5%, #e5e7eb),
    linear-gradient(60deg, #f3f4f6 25%, transparent 25.5%, transparent 75%, #f3f4f6 75%, #f3f4f6),
    linear-gradient(60deg, #f3f4f6 25%, transparent 25.5%, transparent 75%, #f3f4f6 75%, #f3f4f6);
  background-size: 40px 70px;
  background-position: 0 0, 0 0, 20px 35px, 20px 35px, 0 0, 20px 35px;
}

/* Cornell - Note-taking system */
.paper-cornell {
  background-image: 
    repeating-linear-gradient(
      transparent,
      transparent 25px,
      #cbd5e1 25px,
      #cbd5e1 26px
    ),
    linear-gradient(to right, transparent 80px, #94a3b8 80px, #94a3b8 82px, transparent 82px);
  background-position: 0 40px, 0 0;
  background-size: 100% 100%, 100% 100%;
}

/* Handwriting - Practice lines */
.paper-handwriting {
  background-image: 
    repeating-linear-gradient(
      transparent,
      transparent 13px,
      #fbbf24 13px,
      #fbbf24 14px,
      transparent 14px,
      transparent 27px,
      #ef4444 27px,
      #ef4444 28px
    );
  background-position: 0 40px;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
  .page-a4, .page-a5, .page-letter {
    width: 100%;
  }
  
  .page-textarea {
    padding: 30px 20px;
    min-height: 300px;
  }
  
  .paper-page .delete-page-btn {
    opacity: 1;
  }
}

@media print {
  .no-print {
    display: none !important;
  }
  
  .paper-page {
    box-shadow: none;
    page-break-after: always;
  }
  
  .paper-page .delete-page-btn {
    display: none;
  }
}





/* ========== FAQ ACCORDION STYLES ========== */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 800px;
  opacity: 1;
}

.faq-icon {
  transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: #4F46E5;
}

.faq-item.active {
  border-color: #818cf8;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.2);
  background: linear-gradient(to bottom, #eef2ff, #ffffff);
}

.faq-item.active .faq-question {
  background: #eef2ff;
}

.faq-question {
  cursor: pointer;
  outline: none;
  border: none;
  background: transparent;
}

.faq-question:focus {
  outline: 2px solid #818cf8;
  outline-offset: -2px;
}

.faq-question:hover {
  background: #f8fafc;
}