/* CSS Variables */
html,
body {
  margin: 0px;
}

/* Mobile touch optimization */
* {
  -webkit-tap-highlight-color: rgba(167, 139, 250, 0.2);
  -webkit-touch-callout: none;
}

button, a, input, select {
  -webkit-tap-highlight-color: rgba(167, 139, 250, 0.3);
}

/* Smooth scrolling for all devices */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body:not(.dark) {
  --background-primary: #ffffff;
  --font-color-primary: #1a1a1a;
  --elevation-background: #f5f5f5;
  --link-color: #7c3aed;
  --font-family-primary: 'Inter', 'Segoe UI', sans-serif;
  --handwriting-font: 'Homemade Apple', cursive;
  --primary-color: #7c3aed;
  --ink-color: #000f55;
  --label-color: #4a4a4a;
  --field-borders: #d1d5db;
  --primary-button-bg: #7c3aed;
  --primary-button-color: #ffffff;
  --font-color-delete: #dc2626;
  --delete-button-borders: #dc2626;

  width: 100%;
  overflow-x: hidden;
}

body,
body.dark {
  --background-primary: #000000;
  --font-color-primary: #e0e0e0;
  --elevation-background: #0a0a0a;
  --link-color: #a78bfa;
  --font-family-primary: 'Inter', 'Segoe UI', sans-serif;
  --handwriting-font: 'Homemade Apple', cursive;
  --primary-color: #a78bfa;
  --ink-color: #000f55;
  --label-color: #b0b0b0;
  --field-borders: #1a1a1a;
  --primary-button-bg: #a78bfa;
  --primary-button-color: #000000;
  --font-color-delete: #ef4444;
  --delete-button-borders: #ef4444;

  width: 100%;
  overflow-x: hidden;
}
@font-face {
  font-family: 'Hindi_Font';
  src: url(../fonts/Hindi_Type.ttf);
}

/* Default CSS Changes */
* {
  box-sizing: border-box;
}
body {
  background-color: var(--background-primary);
  color: var(--font-color-primary);
  padding: 80px 100px 40px 100px;
  font-size: 1.05rem;
  font-family: var(--font-family-primary);
  min-height: 100vh;
}
a {
  text-decoration: none;
  color: var(--link-color);
}
main {
  max-width: 100%;
  margin: 0 auto;
}
section {
  padding: 20px 0px;
}
button {
  border: none;
  background-color: var(--elevation-background);
  color: var(--font-color-primary);
  border-radius: 6px;
  cursor: pointer;
  padding: 10px 20px;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

button:hover {
  opacity: 0.8;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--font-color-primary);
}

h2 {
  font-weight: 600;
  color: var(--font-color-primary);
  margin-bottom: 20px;
}

label {
  color: var(--label-color);
  font-size: 0.8rem;
  font-weight: 500;
}

label .status {
  color: var(--primary-color);
  font-weight: 600;
}

label.block {
  display: block;
  padding-bottom: 8px;
}

select {
  background: url('../images/dropdown.svg') no-repeat;
  background-position: calc(100% - 14px) center;
  border: none;
  color: #333;
  border-radius: 4px;
  font-size: 0.9rem;
  display: block;
  -moz-appearance: none;
  -webkit-appearance: none;
}

option {
  color: #333;
}

body.dark select {
  background: url('../images/dropdown-white.svg') no-repeat;
  background-position: calc(100% - 14px) center;
}

input {
  padding: 8px 13px;
  border-radius: 4px;
  border: 1px solid var(--elevation-background);
  color: var(--font-color-primary);
  background-color: transparent;
  display: block;
}
input[type='number']::-webkit-outer-spin-button,
input[type='number']::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type='number'] {
  -moz-appearance: textfield !important;
  -webkit-appearance: none;
  width: 100%;
}

/* global classes */
ul.info-ul {
  padding-left: 20px;
}

ul.info-ul > li {
  padding: 5px 5px;
}

.shadow {
  box-shadow: 12px 12px 24px 0 rgba(0, 0, 0, 0.2);
}
.display-flex {
  display: flex;
}
.display-flex.padded-flex > div {
  padding: 0px 10px;
}
.display-flex.padded-flex > div:first-child {
  padding-left: unset;
}
.flex-1 {
  flex: 1;
}
.padding-around {
  padding-right: 30px;
  padding-left: 30px;
}
.padding-up-down {
  padding-top: 6px;
  padding-bottom: 7px;
}

/* Other Styles */
.output-grid {
  align-items: flex-start;
}
.generate-image-section {
  padding: 10px 10px;
  font-size: 1.2rem;
}
.generate-image-button {
  background-color: var(--primary-button-bg);
  color: var(--primary-button-color);
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 28px;
}

.generate-image-button:hover {
  opacity: 0.9;
}
.github-corner {
  position: absolute;
  top: 0;
  z-index: 99999;
  right: 0px;
}
body.dark .github-corner {
  filter: invert(100%);
}
.imp-button {
  color: var(--font-color-primary);
  border: 1px solid var(--primary-color);
  background-color: transparent;
  font-weight: 500;
}

.imp-button:hover {
  background-color: var(--primary-color);
  color: var(--primary-button-color);
}
.delete-button {
  color: var(--font-color-delete);
  border: 1px solid var(--delete-button-borders);
  background-color: transparent;
  font-weight: 500;
}

.delete-button:hover {
  background-color: var(--font-color-delete);
  color: var(--background-primary);
}
.customization-col {
  padding: 0px 50px !important;
}

.left-margin-and-content {
  min-height: calc(100% - 50px);
}

.sponsor-name-section {
  padding: 50px 0px;
}
.sponsor-container {
  display: inline-block;
  color: var(--font-color-primary);
}
.sponsor-title {
  display: block;
  text-align: center;
  font-size: 1.6rem;
  font-weight: bold;
}

.page-a {
  width: 400px;
  height: calc(11.7 * 400px / 8.3); /* A4 Ratio: 210x297mm */
  background: #fff;
  border: 1px solid var(--elevation-background);
  font-size: 10pt;
  position: relative;
  top: 0px;
  font-family: var(--handwriting-font);
  color: var(--ink-color);
  line-height: 1.5em;
  overflow-y: auto;
  scrollbar-color: transparent;
  scrollbar-width: thin;
  transition: all 0.4s ease;
}

/* Page Size Variations - Official Standard Dimensions */
/* Base: A4 = 210x297mm = 8.27x11.69" (400px width reference) */

.page-a.small-book {
  /* 5x8 inches = 127x203.2mm - Fiction Novel Size */
  width: 241px !important;  /* (127/210) * 400 */
  height: 387px !important; /* (203.2/297) * 565 */
  font-size: 8pt !important;
  line-height: 1.45em !important;
}

.page-a.digest {
  /* 5.5x8.5 inches = 139.7x215.9mm - Digest/Magazine Size */
  width: 266px !important;  /* (139.7/210) * 400 */
  height: 411px !important; /* (215.9/297) * 565 */
  font-size: 8.5pt !important;
  line-height: 1.45em !important;
}

.page-a.trade {
  /* 6x9 inches = 152.4x228.6mm - Trade Paperback */
  width: 290px !important;  /* (152.4/210) * 400 */
  height: 435px !important; /* (228.6/297) * 565 */
  font-size: 9pt !important;
  line-height: 1.5em !important;
}

.page-a.letter {
  /* 8.5x11 inches = 215.9x279.4mm - US Letter Standard */
  width: 411px !important;  /* (215.9/210) * 400 */
  height: 532px !important; /* (279.4/297) * 565 */
  font-size: 10.5pt !important;
  line-height: 1.5em !important;
}

.page-a.legal {
  /* 8.5x14 inches = 215.9x355.6mm - US Legal */
  width: 411px !important;  /* (215.9/210) * 400 */
  height: 677px !important; /* (355.6/297) * 565 */
  font-size: 10.5pt !important;
  line-height: 1.5em !important;
}

.page-a.tabloid {
  /* 11x17 inches = 279.4x431.8mm - Tabloid/Ledger */
  width: 532px !important;  /* (279.4/210) * 400 */
  height: 822px !important; /* (431.8/297) * 565 */
  font-size: 12pt !important;
  line-height: 1.6em !important;
}

/* Adjust line spacing for lined paper background */
.page-a.small-book.lines .paper-content {
  background-size: 100% 1.45em !important;
}

.page-a.digest.lines .paper-content {
  background-size: 100% 1.45em !important;
}

.page-a.trade.lines .paper-content {
  background-size: 100% 1.5em !important;
}

.page-a.letter.lines .paper-content {
  background-size: 100% 1.5em !important;
}

.page-a.legal.lines .paper-content {
  background-size: 100% 1.5em !important;
}

.page-a.tabloid.lines .paper-content {
  background-size: 100% 1.6em !important;
}
.paper-content {
  margin: 10px;
  width: 100%;
}

.paper-content {
  margin: 10px;
  width: 100%;
  /* Don't set font properties here - let spans control everything */
}
.page-a.lines .paper-content {
  background-image: linear-gradient(#999 0.05em, transparent 0.1em);
  background-color: unset !important;
  background-size: 100% 1.5em;
}

.margined .paper-content {
  padding: 5px;
  margin: 0px;
  padding-left: 55px;
}

.left-margin,
.top-margin {
  display: none;
}

.margined .top-margin {
  height: 50px;
  border-bottom: 2px solid pink;
  width: 100%;
  display: block;
  overflow-y: auto;
}

.margined .left-margin {
  width: 50px;
  height: calc(100%);
  display: inline-block;
  border-right: 2px solid pink;
  top: 0px;
  padding-top: 50px;
  overflow-x: hidden;
  position: absolute;
  left: 0;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  display: none;
}

.overlay.shadows {
  display: block;
  /* background-image: linear-gradient(10deg, #000a, #0001); */
}

/* OUTPUT */
.output {
  width: 100%;
  padding: 30px;
  white-space: normal;
  overflow-x: auto;
  border: 1px solid var(--elevation-background);
  text-align: center;
}
.output .close-button {
  position: absolute;
  right: -3px;
  top: -11px;
  border-radius: 100%;
  padding: 4px 10px;
  background-color: #333;
  color: #fff;
  font-size: 15pt;
  font-weight: bold;
}
.download-image-button {
  display: inline-block;
  text-align: center;
  margin-top: 10px;
  background-color: var(--primary-button-bg);
  color: var(--primary-button-color);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: 6px;
}

.download-image-button:hover {
  opacity: 0.9;
}
#download-as-pdf-button {
  display: none;
}
#download-as-pdf-button.show {
  display: inline-block;
}
#delete-all-button {
  display: none;
}
#delete-all-button.show {
  display: inline-block;
}
.output img {
  width: 300px;
  margin: 0px auto;
  display: block;
  margin-bottom: 20px;
}

#faq p {
  overflow-wrap: break-word;
  overflow: hidden;
  width: 100%;
}

#covid-donations ul li {
  padding: 5px 0px;
}

.donations-list {
  padding: 58px 0px;
  text-align: center;
}

@media (max-width: 768px) {
  body {
    padding: 60px 15px 40px 15px;
  }
  
  h1 {
    margin-top: 20px;
    font-size: 2.2rem !important;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .padding-around {
    padding-left: 5px;
    padding-right: 5px;
  }
  
  .display-flex.responsive-flex {
    flex-direction: column;
  }
  
  .customization-col {
    padding: 20px 5px !important;
    margin-top: 30px;
  }
  
  .page-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-container-super {
    display: flex;
    flex-direction: column;
  }

  .output img {
    width: 100%;
    max-width: 300px;
    margin: 0px auto 20px auto;
  }

  .project-contributors {
    width: 100%;
    overflow-x: scroll;
    overflow-y: hidden;
    white-space: nowrap;
  }

  .contributor-profile {
    width: 7.5em;
    height: 150px;
  }

  .contributor-username {
    font-size: 9pt;
  }
  
  /* Mobile-specific adjustments */
  .page-a {
    width: 100%;
    max-width: 350px;
    height: auto;
    min-height: 400px;
  }
  
  fieldset {
    padding: 16px 18px;
    margin-top: 20px;
  }
  
  legend {
    font-size: 0.9rem;
    padding: 3px 10px;
  }
  
  .category-grid {
    grid-gap: 14px;
  }
  
  select, input {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 10px 12px;
  }
  
  button {
    padding: 12px 20px;
    font-size: 1rem;
  }
  
  .generate-image-button {
    width: 100%;
    padding: 14px 28px;
    font-size: 1.1rem;
  }
  
  .imp-button, .delete-button {
    width: 100%;
    margin-bottom: 10px;
    padding: 12px 20px;
  }
  
  .github-corner {
    display: none; /* Hide on mobile for better UX */
  }
  
  /* Drawing tool mobile adjustments */
  .draw-container .display-flex.responsive-flex {
    flex-direction: column;
  }
  
  .draw-container h2 {
    margin: 15px 15px 15px 15px;
    font-size: 1.3rem;
  }
  
  .draw-container .display-flex.responsive-flex {
    padding: 0 15px 15px 15px;
  }
  
  #diagram-canvas {
    width: 100% !important;
    height: auto !important;
    max-width: 100%;
    aspect-ratio: 850 / 550;
  }
  
  .drawing-tools-panel {
    width: 100% !important;
    min-width: unset !important;
    margin-top: 20px;
  }
  
  .tool-btn {
    padding: 10px 6px;
    font-size: 0.8rem;
  }
  
  .popup-container .close-button {
    padding: 15px 20px;
    font-size: 35pt;
  }
  
  /* Section styling for mobile */
  section {
    padding: 15px 0px;
  }
  
  #how-to-add-handwriting,
  #contribute,
  #faq {
    padding: 20px !important;
    margin: 15px 0 !important;
  }
  
  footer {
    padding: 30px 0px 10px 0px;
    font-size: 0.95rem;
  }
}

/* Tablet landscape and small desktop */
@media (min-width: 769px) and (max-width: 1024px) {
  body {
    padding: 70px 40px 40px 40px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  .customization-col {
    padding: 0px 30px !important;
  }
  
  .page-a {
    width: 350px;
  }
  
  fieldset {
    padding: 20px 24px;
  }
  
  .category-grid {
    grid-gap: 16px;
  }
}

/* Small phones (portrait) */
@media (max-width: 480px) {
  body {
    padding: 50px 10px 30px 10px;
  }
  
  h1 {
    font-size: 1.8rem !important;
  }
  
  h2 {
    font-size: 1.3rem;
  }
  
  .page-a {
    max-width: 100%;
    font-size: 9pt;
  }
  
  fieldset {
    padding: 14px 16px;
  }
  
  .category-grid {
    grid-auto-flow: row;
    grid-auto-rows: 1fr;
    grid-gap: 12px;
  }
  
  .tool-btn {
    padding: 8px 4px;
    font-size: 0.75rem;
  }
  
  .drawing-tools-panel h3 {
    font-size: 1rem;
  }
  
  .output {
    padding: 15px;
  }
  
  .dark-mode-toggle {
    width: 45px;
    height: 45px;
    top: 80px;
    right: 10px;
  }
  
  .dark-mode-toggle img {
    width: 28px !important;
  }
}

/* Landscape mode for phones */
@media (max-height: 500px) and (orientation: landscape) {
  body {
    padding: 40px 20px 30px 20px;
  }
  
  h1 {
    font-size: 1.8rem !important;
    margin-top: 10px;
  }
  
  .dark-mode-toggle {
    top: 50px;
    width: 40px;
    height: 40px;
  }
  
  .popup-container {
    padding: 10px;
  }
  
  .draw-container h2 {
    margin: 10px;
    font-size: 1.2rem;
  }
  
  #diagram-canvas {
    max-height: 300px;
  }
}

/* Large tablets and iPad Pro */
@media (min-width: 1025px) and (max-width: 1366px) {
  body {
    padding: 80px 60px 40px 60px;
  }
  
  .customization-col {
    padding: 0px 40px !important;
  }
}

fieldset {
  padding: 24px 28px;
  border-radius: 10px;
  border: 2px solid var(--primary-color);
  margin-top: 28px;
  background-color: var(--elevation-background);
  transition: all 0.3s ease;
}

fieldset:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(167, 139, 250, 0.15);
}

legend {
  font-size: 1rem;
  font-weight: 700;
  padding: 4px 14px;
  color: var(--primary-color);
  background-color: var(--background-primary);
  border-radius: 6px;
  letter-spacing: 0.3px;
}

select,
input {
  width: 100%;
  border: 1.5px solid var(--field-borders);
  padding: 11px 13px;
  padding-right: 30px;
  color: var(--font-color-primary);
  border-radius: 6px;
  transition: all 0.2s ease;
}

select:focus,
input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

input[type='file']::-webkit-file-upload-button {
  display: none;
}
input[type='file']::before {
  content: 'Choose File';
  display: inline-block;
  background-color: var(--background-primary);
  white-space: nowrap;
  -webkit-user-select: none;
  cursor: pointer;
}

.postfix-input {
  position: relative;
}
.postfix-input label {
  display: block;
  margin-bottom: 5px;
}

.postfix-input::after {
  content: attr(data-postfix);
  position: absolute;
  right: 25px;
  bottom: 12px;
  font-size: 12px;
}

.upload-handwriting-container {
  margin-top: -10px;
}

.experimental {
  opacity: 0.8;
  cursor: not-allowed;
}

.category-grid {
  display: grid;
  grid-gap: 18px;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
}

.fade-in-dark,
.fade-in-light {
  transition: 0.3s ease;
}

@media (max-width: 768px) {
  .category-grid {
    grid-auto-flow: row;
    grid-auto-rows: 1fr;
  }
}

/*To generate margin between download as pdf and delete button in small screens*/
@media (max-width: 430px) {
  .delete-button {
    margin-top: 10px;
  }
}

/* Hindi Font Aligned - Shirorekha aligned with ruled lines */
body[style*="Hindi_Font_Aligned"] .page-a .paper-content,
.page-a .paper-content[style*="Hindi_Font_Aligned"] {
  font-family: 'Hindi_Font' !important;
  position: relative;
  top: -8px; /* Shift text up so shirorekha aligns with line */
}

/* Alternative: Use transform for better control */
body:has([value="Hindi_Font_Aligned"]:checked) .page-a .paper-content {
  font-family: 'Hindi_Font';
  transform: translateY(-8px);
}