/* The splitter page: stage, control rail and results. */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
}

.btn-stack .btn {
  width: 100%;
}

/* Nested block of controls inside a group. */
.subgroup {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

footer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 336px;
  gap: 20px;
  align-items: start;
}

.stage-col {
  min-width: 0;
}

.stage {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 340px;
}

.stage.is-width {
  display: block;
  max-height: 74vh;
  overflow: auto;
  overscroll-behavior: contain;
}

/* Also reads when an image is already loaded and the drop zone is gone. */
.stage.drag {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

/* Empty state — the one place the type gets to be loud. */
.drop {
  width: 100%;
  min-height: 312px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r);
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 6px;
  padding: 40px 24px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition:
    border-color var(--d) ease,
    background var(--d) ease,
    transform var(--d) var(--e-out);
}

.drop:active {
  transform: scale(0.995);
}

.drop.drag {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  transform: scale(1.006);
}

@media (hover: hover) and (pointer: fine) {
  .drop:hover {
    border-color: var(--line-strong);
    background: var(--panel-2);
  }
}

.drop h1 {
  font-size: clamp(30px, 5.2vw, 42px);
  font-weight: 660;
  letter-spacing: -0.035em;
  line-height: 1.04;
  margin: 6px 0 0;
  max-width: 15ch;
}

.drop p {
  margin: 0;
  color: var(--dim);
  max-width: 40ch;
}

.drop .hint {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--faint);
  margin-top: 10px;
}

.drop .mark-lg {
  width: 40px;
  height: 40px;
  color: var(--dim);
  opacity: 0.85;
}

/* Loaded image + cut guides */
.imgbox {
  position: relative;
  display: inline-block;
  line-height: 0;
  overflow: hidden;
  border-radius: var(--r-sm);
  max-width: 100%;
}

.imgbox img {
  display: block;
  max-width: 100%;
  max-height: 66vh;
  width: auto;
  height: auto;
}

.stage.is-width .imgbox {
  display: block;
  border-radius: var(--r-sm);
}

.stage.is-width .imgbox img {
  width: 100%;
  max-height: none;
}

.guides {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.guide {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: transform var(--d-slow) var(--e-out);
}

.guide-v {
  border-left: 1.5px solid var(--accent);
  box-shadow: -1px 0 0 rgba(0, 0, 0, 0.42);
}

.guide-h {
  border-top: 1.5px solid var(--accent);
  box-shadow: 0 -1px 0 rgba(0, 0, 0, 0.42);
}

.guides[data-dense="true"] .guide-v {
  border-left-width: 1px;
  opacity: 0.62;
}

.guides[data-dense="true"] .guide-h {
  border-top-width: 1px;
  opacity: 0.62;
}

.cropshade {
  position: absolute;
  pointer-events: none;
  box-shadow: 0 0 0 9999px var(--shade);
  outline: 1.5px solid var(--accent);
  transition:
    left var(--d-slow) var(--e-out),
    top var(--d-slow) var(--e-out),
    width var(--d-slow) var(--e-out),
    height var(--d-slow) var(--e-out);
}

.stage-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 2px 0;
  min-height: 34px;
}

.file-meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  flex: 1 1 auto;
}

.file-name {
  font-size: 12.5px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 30ch;
}

.file-dims {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--faint);
  white-space: nowrap;
}

.rail {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: calc(92px + var(--safe-t));
}

.group {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.group-head {
  font-size: 12px;
  font-weight: 600;
  color: var(--dim);
  letter-spacing: -0.005em;
  margin: 0;
}

.group-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.chips {
  display: flex;
  gap: 6px;
}

.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 13px;
  min-width: 38px;
  padding: 7px 0;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition:
    color var(--d-fast) ease,
    border-color var(--d-fast) ease,
    background var(--d-fast) ease,
    transform var(--d-fast) var(--e-out);
}

.chip:active {
  transform: scale(var(--press));
}

.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

@media (hover: hover) and (pointer: fine) {
  .chip:not([aria-pressed="true"]):hover {
    color: var(--text);
    border-color: var(--line-strong);
  }
}

.stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  flex: none;
}

.stepper button {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--text);
  width: 32px;
  height: 32px;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--d-fast) ease;
}

.stepper button:disabled {
  color: var(--faint);
  cursor: not-allowed;
}

@media (hover: hover) and (pointer: fine) {
  .stepper button:not(:disabled):hover {
    background: var(--panel-2);
  }
}

.stepper .val {
  min-width: 40px;
  text-align: center;
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--accent-dim);
  font-weight: 600;
}

.stepper .val.bump {
  animation: bump var(--d-fast) var(--e-out);
}

@keyframes bump {
  from {
    transform: scale(1.09);
  }
  to {
    transform: scale(1);
  }
}

.switch-row {
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.switch-row span {
  font-size: 12.5px;
  color: var(--dim);
}

.switch {
  position: relative;
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: var(--panel-2);
  box-shadow: inset 0 0 0 1px var(--line);
  flex: none;
  transition: background var(--d) ease;
}

.switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--faint);
  transition:
    transform var(--d) var(--e-out),
    background var(--d) ease;
}

input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

input:checked + .switch {
  background: color-mix(in srgb, var(--accent) 26%, transparent);
}

input:checked + .switch::after {
  transform: translateX(16px);
  background: var(--accent);
}

input:focus-visible + .switch {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 7px 9px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}

/* Readout */
.readout {
  border-top: 1px solid var(--line);
  padding-top: 15px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.readout .count {
  font-family: var(--mono);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.1;
}

.readout .count.bump {
  animation: bump var(--d) var(--e-out);
}

.readout .spec {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--faint);
}

.readout .flag {
  font-size: 12px;
  color: var(--dim);
  margin-top: 6px;
  line-height: 1.45;
}

.readout .flag.warn {
  color: var(--danger);
}

.btn-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress {
  height: 3px;
  background: var(--panel-2);
  border-radius: 999px;
  overflow: hidden;
}

.progress i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 120ms linear;
}

.progress-text {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--faint);
  text-align: center;
}

.results {
  margin-top: 26px;
}

.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.results-title {
  font-size: 15px;
  font-weight: 620;
  letter-spacing: -0.015em;
  margin: 0;
}

.results-title span {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--faint);
  margin-left: 8px;
  letter-spacing: 0;
}

.tilegrid {
  display: grid;
  gap: var(--tile-gap, 4px);
}

.tile {
  position: relative;
  min-width: 0;
  opacity: 0;
  transform: translateY(var(--lift));
  animation: rise 320ms var(--e-out) forwards;
  animation-delay: var(--delay, 0ms);
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tile img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3px;
  background: var(--panel-2);
}

.tile-no {
  position: absolute;
  top: 5px;
  left: 5px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  padding: 3px 5px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  pointer-events: none;
  opacity: 0.92;
}

.tile-acts {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  gap: 4px;
  justify-content: center;
  padding: 6px 4px;
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity var(--d-fast) ease,
    transform var(--d-fast) var(--e-out);
}

.tile:focus-within .tile-acts {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .tile:hover .tile-acts {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (hover: none) {
  .tile-acts {
    position: static;
    opacity: 1;
    transform: none;
    padding: 5px 0 0;
  }
}

.tile-acts button {
  appearance: none;
  border: 0;
  border-radius: 4px;
  background: var(--panel);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  color: var(--text);
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 560;
  padding: 4px 7px;
  cursor: pointer;
  transition: transform var(--d-fast) var(--e-out);
}

.tile-acts button:active {
  transform: scale(var(--press));
}

.note {
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--faint);
  line-height: 1.6;
  max-width: 68ch;
}

.note strong {
  color: var(--dim);
  font-weight: 600;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .rail {
    position: static;
  }
  .stage {
    min-height: 260px;
    padding: 10px;
  }
  .drop {
    min-height: 240px;
    padding: 32px 18px;
  }
  .imgbox img {
    max-height: 46vh;
  }
}