/* ========== Fonts ========== */
@font-face {
  font-family: "Vazirmatn";
  src: url("fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Shabnam";
  src: url("fonts/Shabnam.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "BNazanin";
  src: url("fonts/BNAZANB.woff2") format("woff2");
  font-weight: bold;
  font-style: normal;
}

/* ========== Variables & Base ========== */
body {
  font-family: "Vazirmatn", sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  transition: font-family 0.2s ease;
}

/* ========== Buttons & Inputs ========== */
.bi {
  display: inline-block;
  position: relative;
  bottom: -0.125em;
}

input,
.btn {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-sizing: border-box;
  font-size: 1rem;
  transition: var(--transition);
}
input:focus {
  border-color: var(--primary);
  outline: none;
}
.btn {
  background: var(--primary-gradient);
  color: var(--text-inverse);
  border: none;
  cursor: pointer;
  padding: 0.5rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  box-shadow: var(--shadow);
}
.btn-secondary {
  background: var(--secondary-gradient);
}
.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--text-inverse);
  border-color: var(--primary-light);
}
.btn:active {
  transform: scale(0.98);
}
/* ========== Layout (sticky) ========== */
.sticky-box.is-sticky {
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 6px 20px rgba(155, 152, 152, 0.25);
}

/* ========== Items Preview ========== */
.items-preview {
  max-height: 2000px;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    opacity 0.3s ease,
    margin 0.3s ease,
    padding 0.3s ease;
  opacity: 1;
  margin-top: 0.25rem;
  padding: 0;
}

.items-preview.collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  margin-bottom: 0;
  padding-top: 0;
  padding-bottom: 0;
  pointer-events: none;
}

/* ========== Items thumbnail with animations ========== */
.item-thumbnail {
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.25rem;
  transition: var(--transition);
  cursor: pointer;
}
.item-thumbnail:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.item-thumbnail img {
  max-width: 100%;
  max-height: 75px;
  object-fit: contain;
  display: block;
  margin-top: 4px;
}

.item-thumbnail-exit {
  opacity: 0;
  transform: scale(0.8);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}
.range-item-enter {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}
.item-thumbnail-enter {
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

/* ========== Modals ========== */
.modal {
  display: flex;
  visibility: hidden;
  opacity: 0;
  transition:
    visibility 0.3s ease,
    opacity 0.3s ease;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.modal--visible {
  visibility: visible;
  opacity: 1;
}

.modal-content {
  transform: scale(0.9);
  transition: transform 0.3s ease-out;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}
.modal--visible .modal-content {
  transform: scale(1);
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--overlay);
  backdrop-filter: blur(8px);
}

/* edit modal */
.modal-preview-cell img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Crop modal */
.crop-modal.visible {
  visibility: visible;
  opacity: 1;
}
.crop-modal.visible .crop-panel {
  transform: scale(1);
}
.crop-panel {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1rem;
}

/* AI Modal */
.mode-extract.hidden,
.mode-generate.hidden {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

/* ========== Rich Text Editor ========== */
.rich-editor-content[contenteditable="true"]:empty:before {
  content: attr(data-placeholder);
  color: var(--text-muted);
  font-style: italic;
  pointer-events: none;
  display: block;
}

input[type="range"] {
  -webkit-appearance: none;
  background: transparent;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 1rem;
  width: 1rem;
  border-radius: var(--radius-circle);
  background: var(--primary);
  cursor: pointer;
  margin-top: -4px;
}
input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.5rem;
  background: var(--border-light);
  border-radius: 0.5rem;
}
input[type="range"]::-moz-range-thumb {
  height: 1rem;
  width: 1rem;
  border-radius: var(--radius-circle);
  background: var(--primary);
  cursor: pointer;
  border: none;
}
input[type="range"]::-moz-range-track {
  width: 100%;
  height: 0.5rem;
  background: var(--border-light);
  border-radius: 0.5rem;
}

/* ========== Preview Image Toolbar ========== */
[data-align] {
  min-width: 2.5rem;
}
/* ========== Print Styles ========== */
@media print {
  body *:not(#printable):not(#printable *) {
    visibility: hidden;
  }

  #printable,
  #printable * {
    visibility: visible;
    overflow: visible !important;
    max-height: none !important;
  }
  #printable {
    background-color: white;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
  }
  #toTop {
    visibility: hidden;
  }
  #printable table {
    page-break-inside: avoid;
  }
  #printable tr {
    page-break-inside: avoid;
  }
  #printable td.questions {
    page-break-inside: avoid;
  }
}

#printable td,
#printable td.questions td,
#printable th {
  border: 1px solid var(--text-primary);
}
#printable td.questions img {
  display: block;
}

/* ========== Mobile range item ========== */
.toggle-items-btn.collapsed > .toggle-arrow {
  transform: rotate(-180deg);
  transition: transform 0.3s;
}

.action-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-circle);
  background-color: var(--surface-dark);
  color: var(--text-secondary);
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.action-circle:hover {
  background-color: var(--surface-darker);
}
.action-circle:active {
  transform: scale(0.95);
}

/* ========== Utilities ========== */
.backdrop-blur {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.katex {
  direction: ltr;
  unicode-bidi: isolate;
  font-family: inherit !important;
}
.katex-display {
  text-align: center;
}
.placeholder {
  height: 80px;
  border: 2px dashed var(--primary);
  border-radius: var(--radius);
}
.hidden {
  display: none !important;
}

/* ========== Mobile Overrides ========== */
@media screen and (max-width: 768px) {
  body {
    font-size: 14px;
    padding: 0;
    -webkit-overflow-scrolling: touch;
  }
  .item-thumbnail {
    touch-action: pan-y;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }
  .item-thumbnail img {
    max-height: 100px;
  }

  /* Modal*/
  .modal {
    align-items: flex-end;
  }
  .modal-content {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0;
    border-radius: var(--radius) var(--radius) 0 0;
    transform: translateY(100%);
    transition:
      transform 0.3s ease-out,
      opacity 0.3s ease-out;
    padding: 16px !important;
  }
  .modal--visible .modal-content {
    transform: translateY(0);
  }

  /* محتوای داخلی مودال ویرایش */
  .toolbar-btn {
    min-width: 44px;
    min-height: 44px;
    font-size: 1.2rem;
    padding: 8px;
  }

  .toolbar-btn.active {
    background-color: var(--primary-light);
    color: white;
  }

  .modal-preview-cell img {
    max-width: 100%;
    height: auto;
    max-height: 250px;
  }

  #printable {
    font-size: 14px;
  }
  #printable table td {
    padding: 4px !important;
  }
  #printable img {
    max-width: 100%;
    height: auto;
  }
  #addRange {
    min-height: 56px;
    font-size: 1.1rem;
    gap: 0.5rem;
  }
  .range-item-enter {
    transition:
      opacity 0.4s var(--spring),
      transform 0.4s var(--spring);
  }
  .item-thumbnail-enter {
    transition:
      opacity 0.3s var(--spring),
      transform 0.3s var(--spring);
  }
  .btn,
  .item-thumbnail,
  .range-header button {
    position: relative;
    overflow: hidden;
    transform: translate3d(0, 0, 0);
  }
  .btn::after,
  .item-thumbnail::after,
  .range-header button::after {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, #000 10%, transparent 10%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10);
    opacity: 0;
    transition:
      transform 0.3s,
      opacity 0.5s;
  }
  .btn:active::after,
  .item-thumbnail:active::after,
  .range-header button:active::after {
    transform: scale(0);
    opacity: 0.3;
    transition: 0s;
  }
  button,
  .btn,
  .file-input label,
  .range-header button,
  .item-thumbnail .remove-item,
  .toggle-items-btn,
  .move-up,
  .move-down,
  .paste-range {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .range-header input,
  .range-header select {
    height: 44px;
  }

  input,
  textarea,
  [contenteditable="true"] {
    scroll-margin: 20px;
  }
}

/* ========== Responsive Utilities for md breakpoint ========== */
@media screen and (min-width: 769px) {
  .md\:flex {
    display: flex !important;
  }
  .md\:hidden {
    display: none !important;
  }
}