:root {
  --bg: #1e1f22;
  --panel: #26282c;
  --border: #3a3d42;
  --border-strong: #4b4f56;
  --accent: #4da3ff;
  --accent-bg: rgba(77,163,255,0.12);
  --text: #e6e6e6;
  --text-muted: #9a9da3;
  --cell-w: 9px;
  --cell-h: 18px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}
body {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  padding-top: env(safe-area-inset-top);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
}
#toolbar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 0.5px solid var(--border);
  background: var(--panel);
  z-index: 10;
  flex-shrink: 0;
  -webkit-overflow-scrolling: touch;
}
button, select, input[type="color"], input[type="file"] {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 6px;
  border: 0.5px solid var(--border-strong);
  background: #2c2f34;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
}
button:hover { background: #34383e; }
button:disabled { opacity: 0.4; cursor: default; }
button.active { border-color: var(--accent); background: var(--accent-bg); color: var(--accent); }
button.accent { border-color: var(--accent); color: var(--accent); }
.spacer { flex: 1; }
label.inline {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 4px;
}
#canvas-wrap {
  position: relative;
  flex: 1;
  overflow: auto;
  background: var(--bg);
  min-height: 0;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
#canvas-inner { position: relative; }
#grid-svg-bg { position: absolute; top: 0; left: 0; pointer-events: none; opacity: 0.07; }
#char-layer {
  position: absolute;
  top: 0; left: 0;
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
  font-size: 13px;
  white-space: pre;
  padding: 0; margin: 0; border: 0;
  pointer-events: none;
  line-height: 18px;
  color: #ffffff;
}
#color-layer {
  position: absolute;
  top: 0; left: 0;
  pointer-events: none;
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
  font-size: 13px;
  white-space: pre;
  padding: 0; margin: 0; border: 0;
  line-height: 18px;
  color: #ffffff;
}
#hit-layer { position: absolute; top: 0; left: 0; cursor: crosshair; touch-action: none; }
#hit-layer.text-tool { cursor: text; }
#hit-layer.select-tool { cursor: default; }
#hit-layer.freehand-tool { cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><circle cx="4" cy="4" r="3" fill="white" stroke="black"/></svg>') 4 4, crosshair; }
#hit-layer.paint-tool { cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><circle cx="4" cy="4" r="3" fill="white" stroke="black"/></svg>') 4 4, crosshair; }
.row { height: var(--cell-h); }
#selection-box {
  position: absolute;
  pointer-events: none;
  border: 1.5px dashed var(--accent);
  background: rgba(77,163,255,0.08);
  display: none;
}
.handle {
  position: absolute;
  width: 9px;
  height: 9px;
  margin-left: -4px;
  margin-top: -4px;
  background: var(--accent);
  border: 1px solid #12233a;
  border-radius: 2px;
  pointer-events: auto;
  display: none;
  touch-action: none;
}
/* enlarge the tappable area without changing the visible handle size */
.handle::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 28px;
  height: 28px;
}
.handle.nw, .handle.se { cursor: nwse-resize; }
.handle.ne, .handle.sw { cursor: nesw-resize; }
.handle.n, .handle.s { cursor: ns-resize; }
.handle.e, .handle.w { cursor: ew-resize; }
.handle.move { cursor: move; background: #6bd08a; }
#text-input {
  position: absolute;
  display: none;
  height: var(--cell-h);
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
  font-size: 13px;
  border: 1px solid var(--accent);
  padding: 0 2px;
  background: var(--panel);
  color: var(--text);
  min-width: 80px;
  z-index: 20;
}
#status { font-size: 12px; color: var(--text-muted); padding: 0 4px; white-space: nowrap; }
#fillchar-select { width: 70px; }

#app-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 12px;
  border-top: 0.5px solid var(--border);
  background: var(--panel);
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
}
#app-footer .footer-title {
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.2px;
}
#app-footer .footer-sep { color: var(--border-strong); }
#app-footer .footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
#app-footer a {
  color: var(--text-muted);
  text-decoration: none;
}
#app-footer a:hover { color: var(--accent); text-decoration: underline; }
#app-footer .footer-spacer { flex: 1; }

#help-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  align-items: center;
  justify-content: center;
  z-index: 100;
}
#help-modal {
  background: var(--panel);
  border: 0.5px solid var(--border-strong);
  border-radius: 10px;
  padding: 20px;
  width: 460px;
  max-width: 94vw;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 84vh;
}
#help-modal h3 { margin: 0; font-weight: 600; font-size: 16px; }
#help-modal-body { overflow-y: auto; font-size: 13px; line-height: 1.5; color: var(--text); }
#help-modal-body p { margin: 0 0 10px; color: var(--text-muted); }
#help-modal-body h4 {
  margin: 14px 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}
#help-modal-body h4:first-child { margin-top: 0; }
.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0;
  border-bottom: 0.5px solid var(--border);
}
.shortcut-row:last-child { border-bottom: none; }
.shortcut-row span.desc { color: var(--text-muted); }
.kbd {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
kbd {
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
  font-size: 11px;
  background: #1e1f22;
  border: 0.5px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--text);
  white-space: nowrap;
}
.modal-actions-right {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.color-group { display: flex; align-items: center; gap: 4px; }
input[type="color"] { width: 28px; height: 28px; padding: 0; border-radius: 4px; background: transparent; cursor: pointer; }

#figlet-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  align-items: center;
  justify-content: center;
  z-index: 100;
}
#figlet-modal {
  background: var(--panel);
  border: 0.5px solid var(--border-strong);
  border-radius: 10px;
  padding: 20px;
  width: 500px;
  max-width: 94vw;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 92vh;
}
.modal-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}
#figlet-text-input {
  padding: 8px 10px;
  font-size: 14px;
  border-radius: 6px;
  border: 0.5px solid var(--border-strong);
  background: #202226;
  color: var(--text);
  font-family: inherit;
}
#figlet-preview {
  margin: 6px 0 0;
  padding: 10px;
  background: #16171a;
  border-radius: 6px;
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
  font-size: 11px;
  line-height: 1.2;
  color: var(--accent);
  min-height: 50px;
  max-height: 180px;
  overflow: auto;
  white-space: pre;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}
.font-status {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}
.font-status.error { color: #ff6b6b; }
.font-status.success { color: #51cf66; }

#font-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
  max-height: 320px;
  overflow-y: auto;
  background: #1a1b1e;
  padding: 8px;
  border-radius: 6px;
  border: 0.5px solid var(--border);
  margin-top: 4px;
}
.font-preview-item {
  background: #26282c;
  border: 1.5px solid transparent;
  border-radius: 4px;
  padding: 6px 4px;
  text-align: center;
  cursor: pointer;
  transition: 0.1s;
  font-family: "SF Mono", "Consolas", "Menlo", monospace;
  font-size: 10px;
  line-height: 1.1;
  white-space: pre;
  color: var(--text-muted);
  overflow: hidden;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  word-break: break-all;
}
.font-preview-item:hover {
  background: #34383e;
  border-color: var(--border-strong);
}
.font-preview-item.selected {
  border-color: var(--accent);
  background: var(--accent-bg);
  color: var(--accent);
}
.font-preview-item .font-name {
  display: block;
  font-size: 8px;
  opacity: 0.5;
  margin-top: 3px;
}
#font-preview-grid:empty::after {
  content: "Loading fonts, this might take a minute while we download 147 files from GitHub…";
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 20px 0;
  grid-column: 1 / -1;
}
#font-preview-grid.loading::after {
  content: "Loading fonts, this might take a minute while we download 147 files from GitHub…";
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 20px 0;
  grid-column: 1 / -1;
}
#font-preview-grid .no-fonts {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: 20px 0;
}
#font-preview-grid:empty::after,
#font-preview-grid.loading::after {
  content: none;
}
.font-load-progress {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 12px;
}
.font-load-progress .progress-label {
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
}
.font-load-progress-track {
  width: 100%;
  max-width: 280px;
  height: 6px;
  background: #26282c;
  border: 0.5px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.font-load-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.12s linear;
}

/* --- new: image import modal --- */
#image-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  align-items: center;
  justify-content: center;
  z-index: 200;
}
#image-modal {
  background: var(--panel);
  border: 0.5px solid var(--border-strong);
  border-radius: 12px;
  padding: 24px;
  width: 520px;
  max-width: 96vw;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#image-modal input[type="file"] {
  background: #1e1f22;
  padding: 8px;
}
#image-modal .preview-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
#image-modal .preview-row canvas {
  background: #0a0a0c;
  border: 0.5px solid var(--border-strong);
  border-radius: 6px;
  max-width: 180px;
  max-height: 120px;
}
#image-modal .slider-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
#image-modal .slider-group label {
  font-size: 12px;
  color: var(--text-muted);
}
#image-modal .slider-group input[type="range"] {
  width: 120px;
  background: #2c2f34;
  height: 4px;
  border-radius: 4px;
}
#image-modal .slider-group span {
  font-size: 13px;
  min-width: 32px;
  text-align: center;
}
#image-modal .actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}
.char-set-select {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.char-set-select label {
  font-size: 12px;
  color: var(--text-muted);
}
.char-set-select select {
  background: #1e1f22;
  color: var(--text);
  border: 0.5px solid var(--border-strong);
  border-radius: 4px;
  padding: 4px 8px;
}

.brush-size-group {
  display: flex;
  align-items: center;
  gap: 4px;
}
.brush-size-group select {
  padding: 3px 6px;
  font-size: 11px;
  background: #2c2f34;
  border: 0.5px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text);
  cursor: pointer;
  min-width: 60px;
}

/* --- font category tabs (FIGlet modal) --- */
.font-category-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.font-category-tab {
  background: #1e1f22;
  border: 0.5px solid var(--border-strong);
  border-radius: 14px;
  padding: 4px 11px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: 0.1s;
}
.font-category-tab:hover { background: #26282c; color: var(--text); }
.font-category-tab.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}
.font-category-heading {
  grid-column: 1 / -1;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  padding: 8px 2px 2px;
  border-top: 0.5px solid var(--border);
  margin-top: 2px;
}
.font-category-heading:first-child {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

/* --- new: canvas size modal --- */
#size-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  align-items: center;
  justify-content: center;
  z-index: 300;
}
#size-modal {
  background: var(--panel);
  border: 0.5px solid var(--border-strong);
  border-radius: 12px;
  padding: 24px;
  width: 420px;
  max-width: 94vw;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.size-modal-warning {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  background: #26221a;
  border: 0.5px solid #5c4a1f;
  border-radius: 6px;
  padding: 8px 10px;
}
.size-mode-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.size-mode-option {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}
.size-custom-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
  background: #1a1b1e;
  border-radius: 6px;
  border: 0.5px solid var(--border);
}
.size-custom-fields .slider-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
.size-custom-fields .slider-group label {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 56px;
}
.size-custom-fields .slider-group input[type="range"] {
  flex: 1;
  background: #2c2f34;
  height: 4px;
  border-radius: 4px;
}
.size-custom-fields .slider-group span {
  font-size: 13px;
  min-width: 32px;
  text-align: center;
}

/* --- utility classes replacing former inline styles --- */
.hidden { display: none; }
.flex-row-center {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.flex-row-gap8 {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.flex-row-gap10 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.flex-row-gap10-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.flex-col-gap6 {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.cursor-pointer { cursor: pointer; }
.modal-plain-title {
  margin: 0;
  font-weight: 400;
  font-size: 16px;
}
#image-ascii-preview {
  background: #16171a;
  border-radius: 6px;
  padding: 8px;
  max-height: 330px;
  overflow: auto;
  white-space: pre;
  font-family: monospace;
  font-size: 11px;
  line-height: 1.3;
  color: var(--text-muted);
}

#polygon-style-wrap {
  display: none;
  align-items: center;
  gap: 4px;
}

#polygon-style-select {
  padding: 3px 6px;
  font-size: 11px;
  background: #2c2f34;
  border: 0.5px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text);
  cursor: pointer;
  min-width: 120px;
}

#polygon-style-select option {
  background: #1e1f22;
}
/* Generous tap targets on touch devices, larger color swatch, coarse-pointer tuning */
@media (pointer: coarse) {
  button, select, input[type="color"], input[type="file"] {
    padding: 8px 12px;
    font-size: 13px;
    min-height: 36px;
  }
  input[type="color"] { width: 36px; height: 36px; }
  .handle { width: 14px; height: 14px; margin-left: -7px; margin-top: -7px; }
  #help-modal-body, #image-modal, #figlet-modal { -webkit-overflow-scrolling: touch; }
}

@media (max-width: 720px) {
  #toolbar {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 6px;
    padding: 8px;
  }
  #toolbar button,
  #toolbar select,
  #toolbar .color-group,
  #toolbar label.inline {
    flex-shrink: 0;
  }
  #toolbar .spacer { flex: 0 0 8px; min-width: 8px; }
  #status {
    display: none; /* reclaim space on narrow toolbars; still available via footer/help */
  }

  #app-footer {
    flex-wrap: wrap;
    row-gap: 4px;
    padding: 6px 10px;
    font-size: 10.5px;
  }
  #app-footer .footer-spacer { display: none; }
  #app-footer .footer-links { gap: 10px; }

  #help-modal,
  #figlet-modal,
  #image-modal,
  #size-modal {
    width: 100%;
    max-width: 100vw;
    max-height: 92dvh;
    border-radius: 12px 12px 0 0;
    margin: 0;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
  }
  #help-modal-overlay,
  #figlet-modal-overlay,
  #image-modal-overlay,
  #size-modal-overlay {
    align-items: flex-end;
  }

  #image-modal .preview-row { flex-direction: column; align-items: stretch; }
  #image-modal .preview-row canvas { max-width: 100%; width: 100%; height: auto; }
  #image-modal .slider-group input[type="range"] { flex: 1; width: auto; }

  #font-preview-grid { max-height: 44dvh; }
  #figlet-preview { max-height: 22dvh; }
  #image-ascii-preview { max-height: 30dvh; }

  #text-input { font-size: 16px; } /* prevents iOS auto-zoom on focus */
}

@media (max-width: 480px) {
  #app-footer .footer-title { display: none; }
  #app-footer .footer-sep { display: none; }
}