/* ==========================================================================
   Paint Studio — components
   ========================================================================== */

/* -------------------------------- buttons -------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  font-size: 12.5px;
  font-weight: 550;
  white-space: nowrap;
  border-radius: var(--r-sm);
  background: var(--bg-2);
  border: 1px solid var(--stroke-2);
  box-shadow: var(--sh-inset);
  transition: background var(--t-fast), border-color var(--t-fast),
    transform var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}

.btn .icon {
  width: 16px;
  height: 16px;
}

.btn:hover {
  background: var(--bg-3);
  border-color: var(--stroke-3);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  color: var(--accent-text);
  background: linear-gradient(180deg, var(--accent), color-mix(in oklab, var(--accent) 82%, #000));
  border-color: transparent;
  box-shadow: 0 1px 8px var(--accent-glow), var(--sh-inset);
}

.btn-primary:hover {
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 90%, #fff), var(--accent));
  border-color: transparent;
  box-shadow: 0 2px 14px var(--accent-glow), var(--sh-inset);
}

.btn-ghost {
  background: transparent;
  border-color: var(--stroke-2);
}

.btn-ghost:hover {
  background: var(--bg-2);
}

.btn-danger {
  color: #fff;
  background: var(--danger);
  border-color: transparent;
}

.btn:disabled,
.icon-btn:disabled {
  opacity: 0.38;
  pointer-events: none;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--text-2);
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: background var(--t-fast), color var(--t-fast),
    border-color var(--t-fast), transform var(--t-fast);
}

.icon-btn:hover {
  color: var(--text);
  background: var(--bg-3);
}

.icon-btn:active {
  transform: scale(0.94);
}

.icon-btn.sm {
  width: 26px;
  height: 26px;
}

.icon-btn.sm .icon {
  width: 16px;
  height: 16px;
}

.icon-btn.xs {
  width: 22px;
  height: 22px;
  border-radius: var(--r-xs);
}

.icon-btn.xs .icon {
  width: 13px;
  height: 13px;
}

.icon-btn.is-active {
  color: var(--accent-text);
  background: var(--accent);
}

.icon-btn.danger:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

/* menu bar buttons */
.menu-btn {
  height: 26px;
  padding: 0 9px;
  font-size: 12.5px;
  color: var(--text-2);
  border-radius: var(--r-sm);
  transition: background var(--t-fast), color var(--t-fast);
}

.menu-btn:hover,
.menu-btn.is-open {
  color: var(--text);
  background: var(--bg-3);
}

/* -------------------------------- tools ---------------------------------- */

.tool-btn {
  position: relative;
  display: grid;
  place-items: center;
  height: 34px;
  color: var(--text-2);
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: background var(--t-fast), color var(--t-fast),
    border-color var(--t-fast), box-shadow var(--t-fast);
}

.tool-btn .icon {
  width: 19px;
  height: 19px;
}

.tool-btn:hover {
  color: var(--text);
  background: var(--bg-3);
}

.tool-btn.is-active {
  color: var(--accent-text);
  background: linear-gradient(150deg, var(--accent), color-mix(in oklab, var(--accent) 70%, var(--accent-2)));
  box-shadow: 0 2px 10px var(--accent-glow), var(--sh-inset);
}

.tool-btn kbd {
  position: absolute;
  right: 2px;
  bottom: 1px;
  font-family: var(--font);
  font-size: 8px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.5;
}

/* ------------------------- inputs, sliders, selects ---------------------- */

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.field > span {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-3);
}

input[type="text"],
input[type="number"],
textarea,
.select {
  height: 28px;
  min-width: 0;
  padding: 0 8px;
  font-size: 12.5px;
  background: var(--bg-2);
  border: 1px solid var(--stroke-2);
  border-radius: var(--r-sm);
  transition: border-color var(--t-fast), background var(--t-fast);
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
.select:focus {
  border-color: var(--accent);
  background: var(--bg-1);
}

.select {
  appearance: none;
  padding-right: 24px;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%),
    linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 13px) 12px, calc(100% - 9px) 12px;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}

.select option {
  background: var(--bg-1);
  color: var(--text);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 18px;
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: var(--r-full);
  background: var(--bg-4);
}

input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: var(--r-full);
  background: var(--bg-4);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  margin-top: -4.5px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

input[type="range"]:hover::-webkit-slider-thumb {
  transform: scale(1.15);
}

input[type="range"]:active::-webkit-slider-thumb {
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.check,
.radio-row label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  cursor: pointer;
  user-select: none;
}

input[type="checkbox"],
input[type="radio"] {
  appearance: none;
  width: 15px;
  height: 15px;
  flex: none;
  background: var(--bg-2);
  border: 1px solid var(--stroke-3);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: background var(--t-fast), border-color var(--t-fast);
}

input[type="radio"] {
  border-radius: 50%;
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  inset: 0;
  background: no-repeat center/10px 10px
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E");
}

input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: #fff;
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* segmented control */
.seg {
  display: inline-flex;
  padding: 2px;
  gap: 2px;
  background: var(--bg-2);
  border: 1px solid var(--stroke);
  border-radius: var(--r-sm);
}

.seg-btn {
  padding: 0 10px;
  height: 24px;
  font-size: 12px;
  font-weight: 550;
  color: var(--text-2);
  border-radius: 5px;
  transition: background var(--t-fast), color var(--t-fast);
}

.seg-btn:hover {
  color: var(--text);
}

.seg-btn.is-active {
  color: var(--text);
  background: var(--bg-4);
  box-shadow: var(--sh-1);
}

.seg-btn .icon {
  width: 15px;
  height: 15px;
}

/* -------------------------- options bar controls ------------------------- */

.opt {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 2px;
  flex: none;
}

.opt > label {
  font-size: 11.5px;
  color: var(--text-2);
  white-space: nowrap;
}

.opt-range {
  display: flex;
  align-items: center;
  gap: 6px;
}

.opt-range input[type="range"] {
  width: 88px;
}

.opt-num {
  width: 46px;
  min-width: 46px;
  flex: none;
  height: 22px;
  padding: 0 4px;
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  text-align: center;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--stroke);
  border-radius: var(--r-xs);
}

.opt-num:focus {
  border-color: var(--accent);
  background: var(--bg-1);
}

.opt-swatch {
  width: 26px;
  height: 22px;
  border-radius: var(--r-xs);
  border: 1px solid var(--stroke-3);
  box-shadow: var(--sh-1);
  background-image: var(--check-bg);
  background-size: 8px 8px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.opt-swatch i {
  position: absolute;
  inset: 0;
}

.opt-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  height: 26px;
  padding: 0 9px;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-2);
  background: var(--bg-2);
  border: 1px solid var(--stroke-2);
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
}

.opt-toggle:hover {
  color: var(--text);
  background: var(--bg-3);
}

.opt-toggle.is-on {
  color: var(--accent-text);
  background: var(--accent);
  border-color: transparent;
}

.opt-toggle .icon {
  width: 15px;
  height: 15px;
}

/* ------------------------------ color panel ------------------------------ */

.color-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 0 12px 12px;
}

.color-chips {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chip {
  position: relative;
  width: 40px;
  height: 28px;
  border-radius: var(--r-sm);
  border: 1px solid var(--stroke-3);
  box-shadow: var(--sh-1);
  overflow: hidden;
  background-image: var(--check-bg);
  background-size: 8px 8px;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.chip-fill {
  position: absolute;
  inset: 0;
}

.chip:hover {
  transform: translateY(-1px);
}

.chip.is-active {
  box-shadow: 0 0 0 2px var(--accent), var(--sh-1);
}

.chip-actions {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.sv-field {
  position: relative;
  height: 128px;
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: crosshair;
  border: 1px solid var(--stroke-2);
  touch-action: none;
}

.sv-field canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.sv-thumb {
  position: absolute;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.slider-stack {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.hue-track,
.alpha-track {
  position: relative;
  height: 14px;
  border-radius: var(--r-full);
  border: 1px solid var(--stroke-2);
}

.hue-track {
  background: linear-gradient(
    90deg,
    #f00 0%,
    #ff0 17%,
    #0f0 33%,
    #0ff 50%,
    #00f 67%,
    #f0f 83%,
    #f00 100%
  );
}

.alpha-track {
  background-image: var(--check-bg);
  background-size: 8px 8px;
}

.alpha-track::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, var(--alpha-color, #000));
  pointer-events: none;
}

.hue-track input,
.alpha-track input {
  position: absolute;
  inset: -2px;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  z-index: 2;
}

.hue-track input::-webkit-slider-runnable-track,
.alpha-track input::-webkit-slider-runnable-track {
  background: transparent;
  height: 100%;
}

.hue-track input::-moz-range-track,
.alpha-track input::-moz-range-track {
  background: transparent;
}

.hue-track input::-webkit-slider-thumb,
.alpha-track input::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  margin-top: 0;
  border: 2px solid #fff;
  background: transparent;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.55);
}

.hue-track input::-moz-range-thumb,
.alpha-track input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 2px solid #fff;
  background: transparent;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.55);
}

.color-fields {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.hex-field {
  flex: 1 1 auto;
}

.hex-field input {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
}

.rgb-readout {
  height: 28px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  background: var(--bg-2);
  border: 1px solid var(--stroke);
  border-radius: var(--r-sm);
  white-space: nowrap;
}

.swatches {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
}

.swatch {
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--stroke-2);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.swatch:hover {
  transform: scale(1.18);
  box-shadow: var(--sh-2);
  z-index: 2;
}

.recents {
  display: flex;
  align-items: center;
  gap: 8px;
}

.recents-label {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-3);
  flex: none;
}

.recents-row {
  display: flex;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
}

.recents-row .swatch {
  width: 18px;
  aspect-ratio: 1;
  flex: none;
}

.recents-row:empty::after {
  content: "—";
  color: var(--text-3);
  font-size: 11px;
}

/* ------------------------------- layers ---------------------------------- */

.layer-props {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--stroke);
  flex: none;
}

.prop-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.prop-row > label {
  width: 54px;
  flex: none;
  font-size: 11.5px;
  color: var(--text-2);
}

.prop-row .select {
  flex: 1 1 auto;
  height: 26px;
}

.range-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
}

.range-cell output {
  min-width: 40px;
  text-align: right;
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  color: var(--text-2);
  flex: none;
}

.layer-list {
  flex: 1 1 auto;
  min-height: 60px;
  overflow-y: auto;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  background: var(--bg-2);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast),
    opacity var(--t-fast);
}

.layer-item:hover {
  background: var(--bg-3);
}

.layer-item.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.layer-item.is-hidden {
  opacity: 0.45;
}

.layer-item.is-dragging {
  opacity: 0.4;
}

.layer-item.drop-above {
  box-shadow: inset 0 2px 0 var(--accent);
}

.layer-item.drop-below {
  box-shadow: inset 0 -2px 0 var(--accent);
}

.layer-thumb {
  width: 38px;
  height: 30px;
  flex: none;
  border-radius: var(--r-xs);
  border: 1px solid var(--stroke-2);
  background-image: var(--check-bg);
  background-size: 8px 8px;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.layer-thumb canvas {
  max-width: 100%;
  max-height: 100%;
  display: block;
  image-rendering: auto;
}

.layer-info {
  flex: 1 1 auto;
  min-width: 0;
}

.layer-name {
  font-size: 12px;
  font-weight: 550;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-name-input {
  width: 100%;
  height: 20px;
  padding: 0 4px;
  font-size: 12px;
}

.layer-sub {
  font-size: 10px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.layer-actions {
  display: flex;
  gap: 1px;
  flex: none;
}

.layer-toolbar {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 6px 8px;
  border-top: 1px solid var(--stroke);
  flex: none;
}

/* ------------------------------ adjustments ------------------------------ */

.adjust-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.adjust-row {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 4px 0;
}

.adjust-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.adjust-head label {
  font-size: 11.5px;
  color: var(--text-2);
  flex: 1 1 auto;
  cursor: pointer;
}

.adjust-row.is-changed .adjust-head label {
  color: var(--text);
  font-weight: 600;
}

.adjust-val {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
}

.adjust-row.is-changed .adjust-val {
  color: var(--accent);
  font-weight: 650;
}

.adjust-group-label {
  margin-top: 8px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: var(--text-3);
}

.adjust-group-label:first-child {
  margin-top: 0;
}

/* -------------------------------- filters -------------------------------- */

.filter-grid {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  align-content: start;
}

.filter-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  text-align: left;
  border-radius: var(--r-md);
  background: var(--bg-2);
  border: 1px solid var(--stroke);
  transition: border-color var(--t-fast), transform var(--t-fast),
    background var(--t-fast);
}

.filter-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  background: var(--bg-3);
}

.filter-preview {
  aspect-ratio: 16 / 10;
  border-radius: var(--r-xs);
  overflow: hidden;
  background: var(--bg-4);
}

.filter-preview canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.filter-name {
  font-size: 11.5px;
  font-weight: 550;
  line-height: 1.2;
}

/* ------------------------------- dialogs --------------------------------- */

.dialog {
  width: min(440px, calc(100vw - 32px));
  max-height: min(88dvh, 900px);
  /* the global margin reset would otherwise pin dialogs to the top-left */
  margin: auto;
  padding: 0;
  color: var(--text);
  background: var(--bg-1);
  border: 1px solid var(--stroke-2);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
  overflow: hidden;
}

.dialog.wide {
  width: min(880px, calc(100vw - 32px));
}

.dialog::backdrop {
  background: rgba(6, 7, 11, 0.62);
  backdrop-filter: blur(6px);
}

/* scoped to [open] so the UA's `dialog:not([open]) { display: none }` still wins
   when the dialog is closed; the column lets .dialog-body shrink and scroll */
.dialog[open] {
  display: flex;
  flex-direction: column;
  animation: dialog-in var(--t-slow) both;
}

/* the welcome screen has no head/body/foot, so it scrolls as a whole */
.dialog.welcome[open] {
  display: block;
  overflow-y: auto;
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.97);
  }
}

.dialog-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 12px 12px 12px 18px;
  border-bottom: 1px solid var(--stroke);
}

.dialog-head h2 {
  font-size: 14px;
  flex: 1 1 auto;
}

.dialog-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1 1 auto;
  min-height: 0;
  padding: 18px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.dialog-foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex: none;
  padding: 12px 18px;
  border-top: 1px solid var(--stroke);
  background: var(--bg-2);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.preset-chip {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 6px 10px;
  text-align: left;
  border-radius: var(--r-sm);
  background: var(--bg-2);
  border: 1px solid var(--stroke-2);
  transition: all var(--t-fast);
}

.preset-chip:hover {
  border-color: var(--accent);
  background: var(--bg-3);
  transform: translateY(-1px);
}

.preset-chip strong {
  font-size: 11.5px;
  font-weight: 600;
}

.preset-chip span {
  font-size: 10px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.anchor-grid {
  display: grid;
  grid-template-columns: repeat(3, 26px);
  gap: 3px;
}

.anchor-cell {
  height: 26px;
  border-radius: var(--r-xs);
  background: var(--bg-2);
  border: 1px solid var(--stroke-2);
  transition: all var(--t-fast);
}

.anchor-cell:hover {
  background: var(--bg-3);
}

.anchor-cell.is-active {
  background: var(--accent);
  border-color: transparent;
}

.anchor-picker {
  display: flex;
  align-items: center;
  gap: 12px;
}

.anchor-label {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-3);
}

.export-preview {
  display: grid;
  place-items: center;
  flex: none;
  height: 170px;
  border-radius: var(--r-md);
  background-image: var(--check-bg);
  background-size: 14px 14px;
  border: 1px solid var(--stroke-2);
  overflow: hidden;
}

.export-preview canvas {
  max-width: 100%;
  max-height: 100%;
  display: block;
  box-shadow: var(--sh-2);
}

/* welcome */
.welcome {
  width: min(620px, calc(100vw - 24px));
  text-align: center;
}

.welcome-hero {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 34px 30px 22px;
  background: radial-gradient(
      120% 90% at 50% -10%,
      var(--accent-soft),
      transparent 70%
    ),
    var(--bg-1);
  border-bottom: 1px solid var(--stroke);
}

.welcome-hero h2 {
  font-size: 25px;
  font-weight: 680;
  letter-spacing: -0.6px;
}

.welcome-hero h2 em {
  font-style: normal;
  font-weight: 400;
  color: var(--text-2);
}

.welcome-hero p {
  max-width: 46ch;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-2);
}

.welcome-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 18px;
}

.start-card {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 16px 10px;
  border-radius: var(--r-md);
  background: var(--bg-2);
  border: 1px solid var(--stroke-2);
  transition: all var(--t-med);
}

.start-card:hover {
  border-color: var(--accent);
  background: var(--bg-3);
  transform: translateY(-2px);
  box-shadow: var(--sh-2);
}

.start-card .icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  margin-bottom: 2px;
}

.start-card strong {
  font-size: 12.5px;
}

.start-card span {
  font-size: 10.5px;
  line-height: 1.35;
  color: var(--text-3);
}

.welcome .preset-row {
  justify-content: center;
  padding: 0 18px 22px;
}

/* shortcuts */
/* flow the groups through columns so they pack tightly instead of leaving
   the ragged gaps a row-major grid produces */
.shortcut-columns {
  columns: 232px;
  column-gap: 26px;
}

.shortcut-group {
  break-inside: avoid;
}

.shortcut-group h3 {
  margin: 0 0 5px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-3);
}

.shortcut-group + .shortcut-group {
  margin-top: 14px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 3px 0;
  font-size: 12px;
  color: var(--text-2);
}

.shortcut-row span {
  flex: 1 1 auto;
}

kbd {
  padding: 2px 6px;
  font-family: var(--font);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--stroke-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  white-space: nowrap;
}

/* ------------------------------- popovers -------------------------------- */

.menu-popover {
  position: fixed;
  z-index: 200;
  min-width: 220px;
  padding: 5px;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(170%);
  border: 1px solid var(--stroke-2);
  border-radius: var(--r-md);
  box-shadow: var(--sh-3);
  animation: menu-in var(--t-fast) both;
}

@keyframes menu-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 6px 9px;
  font-size: 12.5px;
  text-align: left;
  color: var(--text);
  border-radius: var(--r-xs);
  transition: background var(--t-fast);
}

.menu-item:hover:not(:disabled) {
  background: var(--accent);
  color: var(--accent-text);
}

.menu-item:disabled {
  opacity: 0.35;
  cursor: default;
}

.menu-item .icon {
  width: 16px;
  height: 16px;
  opacity: 0.85;
}

.menu-item .keys {
  margin-left: auto;
  font-size: 11px;
  opacity: 0.6;
  font-variant-numeric: tabular-nums;
}

.menu-divider {
  height: 1px;
  margin: 4px 6px;
  background: var(--stroke-2);
}

.tooltip {
  position: fixed;
  z-index: 300;
  padding: 4px 8px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text);
  background: var(--glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--stroke-2);
  border-radius: var(--r-xs);
  box-shadow: var(--sh-2);
  pointer-events: none;
  white-space: nowrap;
  animation: tip-in var(--t-fast) both;
}

@keyframes tip-in {
  from {
    opacity: 0;
    transform: translateY(2px);
  }
}

/* -------------------------------- toasts --------------------------------- */

.toasts {
  position: fixed;
  left: 50%;
  bottom: 46px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 250;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(170%);
  border: 1px solid var(--stroke-2);
  border-radius: var(--r-full);
  box-shadow: var(--sh-3);
  animation: toast-in var(--t-slow) both;
  pointer-events: auto;
}

.toast.is-out {
  animation: toast-out var(--t-med) both;
}

.toast .icon {
  width: 16px;
  height: 16px;
}

.toast.ok .icon {
  color: var(--ok);
}

.toast.err .icon {
  color: var(--danger);
}

.toast button {
  margin-left: 4px;
  padding: 2px 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent);
  border-radius: var(--r-full);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.96);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(6px) scale(0.97);
  }
}

/* busy indicator */
.busy {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text);
  background: rgba(6, 7, 11, 0.5);
  backdrop-filter: blur(4px);
}

.spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2.5px solid var(--stroke-3);
  border-top-color: var(--accent);
  animation: spin 700ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* --------------------------- canvas text editor -------------------------- */

.text-editor {
  position: absolute;
  min-width: 24px;
  padding: 0;
  margin: 0;
  color: inherit;
  background: transparent;
  border: 1px dashed var(--accent);
  outline: none;
  overflow: hidden;
  white-space: pre;
  pointer-events: auto;
  transform-origin: 0 0;
  caret-color: currentColor;
  resize: none;
}

/* transform / crop handles */
.handle {
  position: absolute;
  width: 11px;
  height: 11px;
  margin: -6px 0 0 -6px;
  background: #fff;
  border: 1px solid var(--accent);
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
}

.panel-toggle {
  display: none;
}

@media (max-width: 760px) {
  .panel-toggle {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: var(--r-full);
    background: var(--glass);
    backdrop-filter: blur(14px);
    border: 1px solid var(--stroke-2);
    box-shadow: var(--sh-2);
    color: var(--text);
    pointer-events: auto;
  }

  .welcome-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================== about ================================= */
/* Landing copy. Present and visible in the served HTML — it is what a crawler
   or a JavaScript-less visitor gets — then stepped aside once the app boots and
   reachable again from the welcome screen and the Help menu. */

.about {
  position: fixed;
  inset: 0;
  z-index: 60;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--stage);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.7;
}

.about[hidden] {
  display: none;
}

.about-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}

.about-head {
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--stroke);
}

.about-head h1 {
  max-width: 20ch;
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 680;
  line-height: 1.2;
  letter-spacing: -0.8px;
}

.about-lead {
  max-width: 62ch;
  color: var(--text-2);
}

.about-cta {
  height: 42px;
  padding: 0 22px;
  font-size: 14px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px 40px;
  padding: 44px 0;
}

.about-grid h2,
.about-faq h2 {
  font-size: 17px;
  font-weight: 640;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.about-grid p,
.about-faq p {
  color: var(--text-2);
}

.about-faq {
  padding-top: 40px;
  border-top: 1px solid var(--stroke);
}

.about-faq h2 {
  font-size: 22px;
  letter-spacing: -0.5px;
  margin-bottom: 22px;
}

.about-faq h3 {
  font-size: 15px;
  font-weight: 620;
  margin-bottom: 4px;
}

.about-faq h3 + p {
  margin-bottom: 22px;
}

.about code,
.about kbd {
  font-family: var(--mono);
  font-size: 0.88em;
  padding: 1px 5px;
  border-radius: var(--r-xs);
  background: var(--bg-2);
  border: 1px solid var(--stroke);
}

.about-foot {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--stroke);
  color: var(--text-3);
  font-size: 13px;
}

.about a {
  color: var(--accent);
}

/* link back into the copy from the welcome screen */
.welcome-more {
  padding: 0 18px 20px;
}

.link-btn {
  border: 0;
  background: none;
  font: inherit;
  color: var(--text-2);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--stroke-3);
}

.link-btn:hover {
  color: var(--text);
}

@media (max-width: 760px) {
  .about-inner {
    padding: 36px 18px 56px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 34px 0;
  }
}