* {
  box-sizing: border-box;
  scrollbar-width: thin;
  /* scrollbar-color: rebeccapurple green; */
}

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:ital,wght@0,200..900;1,200..900&display=swap');

:root{
  --spacing-base: 6px;
  --spacing-lg: 16px;
  --br: 4px;
  /* palette */
  --ink: #0f172a;
  --bg: #f7faf9;
  --panel: #ffffff;
  --border: #cbd5e1;
  --muted: #334155;
  --teal: #009689;      /* teal-600 */
  --teal-700: #00786f;  /* action hover */
  --rose: rgb(236, 0, 63);
  --rose-700: #c70036;
}

body {
  font-family: 'Open Sans', sans-serif;
  font-optical-sizing: auto;
  margin: 0;
  color: var(--ink);
  background: radial-gradient(1200px 600px at -10% -10%, rgba(20,184,166,0.06), transparent 60%),
              radial-gradient(900px 500px at 110% 10%, rgba(20,184,166,0.04), transparent 60%),
              var(--bg);
}

body, button, input, textarea{
  font-family: 'Open Sans', sans-serif;
}

input, textarea, code{
 padding: var(--spacing-base);
 font-size: 14px;
}

code{
  font-family: 'Source Code Pro', monospace;
}

button{
  font-weight: bold;
  /* font-size: 14px; */
  padding: var(--spacing-base) 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  line-height: 1;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  box-shadow: 0 1px 2px rgba(2, 6, 23, 0.06);
  transition: border-color .15s ease, box-shadow .15s ease, transform .04s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
button:hover{
  border-color: rgba(20,184,166,0.5);
  box-shadow: 0 2px 8px rgba(20,184,166,0.18);
}
button:active{
  transform: translateY(1px);
}

button svg{
  pointer-events: none;
}

.del_tag:hover, #clear_all:hover{
  border-color: rgba(236, 0, 63,0.5);
  box-shadow: 0 2px 8px rgba(236, 0, 63,0.18);
  color: var(--rose-700);
}

.button_group{
    padding: var(--spacing-lg);
    display: flex;
    height: 77px;
    min-height: 77px;
    gap: var(--spacing-lg);
    z-index: 3;
    background: linear-gradient(180deg, rgba(20,184,166,0.06), rgba(20,184,166,0.03));
    border-top: 1px solid var(--border);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.6), 0 -2px 12px rgba(20,184,166,0.08);
    align-items: center;
}

.credits{
  text-align: right;
  flex-grow: 1;
  font-size: 12px;
}

.preview_toggle_group span, .credits{
  color: color-mix(in srgb, var(--muted) 70%, transparent 30%);
}

.layout {
    display: flex;
    /* gap: 16px; */
    min-height: 100vh;
}

#input_wrapper {
	width: -webkit-fill-available;
	width: -moz-available;
  display: flex;
  flex-direction: column;
  max-height: 100vh;
}

.input_group{
  flex-grow: 1;
  overflow-y: scroll;
  margin-left: var(--spacing-lg); 
}

#import_XML{
  margin-top: var(--spacing-lg);
}

@media screen and (min-width: 1000px) {
  .out_group{
    min-width: 580px;
  width: 580px;
}
}

@media screen and (max-width: 1000px) {
  .out_group{
  width: 100%;
}
  .layout{
    flex-wrap: wrap;
  }
  #input_wrapper, .out_group{
    max-height: unset !important;
  }
  .input_group, #output{
    overflow: hidden !important;
  }
}

.out_group{
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  background: var(--panel);
  border-left: 1px solid var(--border);
}

#output{
  white-space: pre-wrap; /* preserve newlines/spaces but allow wrapping */
  overflow-wrap: anywhere; /* break long uninterrupted strings */
  background-color: hsl(0, 0%, 8%);
  color: hsl(0, 0%, 90%);
  width: 100%;
  display: block;
  flex-grow: 1;
  overflow-y: scroll;
  letter-spacing: .02em;
  padding: var(--spacing-lg);
}

#output .xml-bracket {
  color: hsl(170, 70%, 78%); /* light blue for < and > */
}
#output .xml-tag-inner {
  color: hsl(170, 70%, 60%); /* cyan for content between brackets */
}

/* HTML preview container mirrors size/scroll of #output but uses normal flow */
#html_output{
  display: none;
  width: 100%;
  flex-grow: 1;
  overflow-y: scroll;
  padding: var(--spacing-lg);
  color: #1f2937;
  background: #f7faf9; /* softer contrast for HTML preview */
  border-top: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}

/* Toggle group inside button bar */
.preview_toggle_group{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  
  text-align: right;
    font-size: 14px;
}

/* iOS-style switch */
.switch{
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.switch input{ display: none; }
.switch .slider{
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #cbd5e1;
  transition: 0.2s;
  border-radius: 999px;
}
.switch .slider:before{
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 3px; top: 3px;
  background-color: white;
  transition: 0.2s;
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.switch input:checked + .slider{
  background-color: var(--teal);
}
.switch input:checked + .slider:before{
  transform: translateX(20px);
}


/* .input_wrapper {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  max-width: 980px;
  margin-bottom: 16px;
} */

/* #output {
  white-space: pre;
  background: #0b1020;
  color: #e2e8f0;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid #1e293b;
  max-width: 980px;
  min-height: 120px;
  overflow: auto;
} */


/* button {
  background: #111827;
  color: #fff;
  border: none;
  padding: 8px 12px;
  margin: 6px 6px 6px 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
} */



button.secondary {
  background: #334155;
}
button.warn {
  background: #b91c1c;
}
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.prompt-tag {
  border: 1px solid rgba(20,184,166,0.35);
  background: linear-gradient(180deg, rgba(20,184,166,0.08), rgba(20,184,166,0.04));
  border-radius: var(--br);
  padding: var(--spacing-base);
  margin: var(--spacing-lg) 0;
  position: relative;
  margin-right: var(--spacing-lg);
  box-shadow: 0 4px 14px rgba(20,184,166,0.12), 0 1px 0 rgba(255,255,255,0.6) inset, 0 0 0 1px rgba(20,184,166,0.12) inset;
  transition: box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.prompt-tag .toggle-collapse,
.prompt-tag .duplicate-tag {
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: var(--br);
  cursor: pointer;
  font-size: 24px;
  height: 33px;
  aspect-ratio: 1;
  box-shadow: none;
  transition: .2s;
}
.prompt-tag .toggle-collapse:hover,
.prompt-tag .duplicate-tag:hover {
  background-image: radial-gradient(#fffc 0%, transparent 80%);
  background-position: 2px 2px;
  background-repeat: no-repeat;
}
/* .prompt-tag .reorder-handle {
  position: absolute;
  left: 8px;
  top: 8px;
  font-weight: bold;
  cursor: grab;
  user-select: none;
} */

.prompt-tag .reorder-handle {
  font-weight: bold;
  cursor: grab;
  user-select: none;
  margin-right: var(--spacing-base);
  color: var(--teal);
}
.tag-header{
  display: flex;
}

.prompt-tag input.tag_name {
  display: block;
  width: 100%;
  border-radius: var(--br);
  border: 1px solid var(--border);
  margin-bottom: var(--spacing-base);
  background: #ffffffaa;
}

/* Invalid tag name state */
.prompt-tag input.tag_name.invalid,
.prompt-tag input.tag_name.invalid:focus {
  outline: none;
  border-color: var(--rose-700);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--rose-700) 25%, transparent);
}

/* Small hint below the tag name input */
.tag-name-hint{
  font-size: 12px;
  color: var(--rose-700);
  margin: -4px 0 var(--spacing-base) 0;
}

textarea{
  transition: height .3s ease;
}

.prompt-tag textarea.tag_contents {
  display: block;
  width: 100%;
  min-height: 0;
  border-radius: var(--br);
  border: 1px solid var(--border);
  resize: none;
  margin-bottom: var(--spacing-base);
  background: #ffffffaa;
  height: 31px;
}
.prompt-tag input.tag_name:focus,
.prompt-tag textarea.tag_contents:focus{
  outline: none;
  border-color: rgba(20,184,166,0.6);
  box-shadow: 0 0 0 2px rgba(20,184,166,0.25);
}
.prompt-tag .children {
  margin-left: 18px;
  padding-left: 8px;
  border-left: 2px dashed rgba(20,184,166,0.35);
  /* box-shadow: inset 0 0 12px rgba(20,184,166,0.08); */
}

/* Collapsed state: hide textarea and action buttons on the collapsed tag (keep tag_name visible) */
.prompt-tag.collapsed textarea.tag_contents,
.prompt-tag.collapsed .add_nested_tag,
.prompt-tag.collapsed .del_tag {
  display: none;
}

/* In collapsed state, keep children container visible but only show child tag names (and toggles) */
.prompt-tag.collapsed .children {
  display: block;
}
.prompt-tag.collapsed .children .prompt-tag > textarea.tag_contents,
.prompt-tag.collapsed .children .prompt-tag > .children,
.prompt-tag.collapsed .children .prompt-tag > .add_nested_tag,
.prompt-tag.collapsed .children .prompt-tag > .del_tag {
  display: none;
}
/* When a tag is collapsed, deactivate child toggles to avoid confusing interactions */
.prompt-tag.collapsed .children .prompt-tag > .tag-header > .toggle-collapse{
  opacity: 0.35;
  pointer-events: none;
}

.add_nested_tag, .del_tag{
  margin-right: var(--spacing-base);
}

.controls {
  margin-top: 8px;
}
.controls button {
  margin-right: 8px;
}

.footer-actions {
  margin-top: var(--spacing-base);
}