:root {
  --collage-topbar-height: 74px;
  --collage-panel-width: 320px;
}

.collage-editor {
  position: fixed;
  z-index: 90;
  inset: 0;
  width: 100dvw;
  height: 100dvh;
  display: grid;
  grid-template-rows: var(--collage-topbar-height) minmax(0, 1fr);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(49, 95, 100, 0.96), rgba(66, 38, 50, 0.96)),
    #101719;
  color: var(--white);
}

.collage-editor[hidden] {
  display: none;
}

.collage-editor.light {
  background:
    linear-gradient(135deg, rgba(238, 245, 242, 0.98), rgba(234, 221, 224, 0.98)),
    #eef5f2;
  color: var(--ink);
}

.collage-editor * {
  min-width: 0;
}

.collage-editor-topbar {
  min-height: var(--collage-topbar-height);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid rgba(243, 238, 231, 0.16);
  background: rgba(8, 12, 13, 0.66);
  backdrop-filter: blur(14px);
  padding: 10px 14px;
}

.collage-editor.light .collage-editor-topbar {
  border-bottom-color: rgba(18, 28, 30, 0.12);
  background: rgba(238, 245, 242, 0.76);
}

.collage-topbar-title {
  display: grid;
  grid-template-columns: minmax(150px, 300px) minmax(120px, 240px);
  gap: 8px;
}

.collage-toolbar-actions,
.collage-toolbar-left {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.collage-tool-button,
.collage-icon-button,
.collage-editor input,
.collage-editor select,
.collage-editor textarea {
  border: 1px solid rgba(243, 238, 231, 0.24);
  border-radius: 8px;
  background: rgba(243, 238, 231, 0.92);
  color: var(--ink);
  font-family: inherit;
  font-size: 12px;
  font-weight: 900;
}

.collage-tool-button,
.collage-icon-button {
  min-height: 38px;
  cursor: pointer;
  padding: 10px 12px;
}

.collage-icon-button {
  width: 38px;
  display: grid;
  place-items: center;
  padding: 0;
}

.collage-tool-button.primary {
  background: var(--aqua);
  color: var(--ink);
}

.collage-tool-button.danger {
  background: #9e214d;
  color: #ffffff;
}

.collage-tool-button:disabled,
.collage-icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.collage-editor input,
.collage-editor select,
.collage-editor textarea {
  width: 100%;
  min-height: 38px;
  padding: 9px 10px;
}

.collage-editor textarea {
  min-height: 72px;
  resize: vertical;
}

.collage-editor-main {
  height: calc(100dvh - var(--collage-topbar-height));
  display: grid;
  grid-template-columns: var(--collage-panel-width) minmax(0, 1fr) var(--collage-panel-width);
  overflow: hidden;
}

.collage-panel {
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  border-color: rgba(243, 238, 231, 0.14);
  background: rgba(8, 12, 13, 0.48);
  padding: 14px;
}

.collage-panel.left {
  border-right: 1px solid rgba(243, 238, 231, 0.14);
}

.collage-panel.right {
  border-left: 1px solid rgba(243, 238, 231, 0.14);
}

.collage-editor.light .collage-panel {
  background: rgba(255, 255, 255, 0.48);
  border-color: rgba(18, 28, 30, 0.12);
}

.collage-panel-section {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
  border: 1px solid rgba(243, 238, 231, 0.14);
  border-radius: 8px;
  background: rgba(243, 238, 231, 0.07);
  padding: 12px;
}

.collage-editor.light .collage-panel-section {
  border-color: rgba(18, 28, 30, 0.1);
  background: rgba(255, 255, 255, 0.55);
}

.collage-panel-section h3,
.collage-panel-section p {
  margin: 0;
}

.collage-panel-section h3 {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.collage-panel-section p {
  color: rgba(243, 238, 231, 0.7);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.collage-editor.light .collage-panel-section p {
  color: rgba(18, 28, 30, 0.62);
}

.collage-field {
  display: grid;
  gap: 6px;
}

.collage-field span {
  color: rgba(243, 238, 231, 0.72);
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.collage-editor.light .collage-field span {
  color: rgba(18, 28, 30, 0.58);
}

.collage-two-col,
.collage-three-col {
  display: grid;
  gap: 8px;
}

.collage-two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.collage-three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.collage-stage-shell {
  min-width: 0;
  min-height: 0;
  height: calc(100dvh - var(--collage-topbar-height));
  overflow-y: auto;
  overflow-x: hidden;
  padding: 18px;
}

.collage-stage-scroll {
  width: 100%;
  min-height: 100%;
  display: grid;
  place-items: start center;
}

.collage-stage {
  position: relative;
  width: min(100%, calc((100dvh - var(--collage-topbar-height) - 36px) * var(--canvas-ratio, 1)));
  max-width: 100%;
  aspect-ratio: var(--canvas-width, 1080) / var(--canvas-height, 1080);
  overflow: hidden;
  border: 1px solid rgba(243, 238, 231, 0.2);
  border-radius: 10px;
  background: #101719;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.36);
}

.collage-stage-inner {
  position: absolute;
  inset: 0;
  display: grid;
  gap: var(--collage-gap, 14px);
  padding: var(--collage-gap, 14px);
}

.collage-stage.layout-grid .collage-stage-inner {
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
  grid-auto-rows: minmax(148px, 1fr);
  overflow-y: auto;
  overflow-x: hidden;
}

.collage-stage:not(.layout-grid) .collage-stage-inner {
  display: block;
}

.collage-title-layer {
  position: absolute;
  z-index: 4;
  top: 18px;
  left: 18px;
  right: 18px;
  pointer-events: none;
  text-align: center;
}

.collage-title-layer h2,
.collage-title-layer p {
  margin: 0;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.36);
}

.collage-title-layer h2 {
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(24px, 4vw, 52px);
  line-height: 1.08;
}

.collage-title-layer p {
  margin-top: 6px;
  font-size: clamp(12px, 1.6vw, 18px);
  font-weight: 900;
}

.collage-sticker-layer {
  position: absolute;
  z-index: 4;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  pointer-events: none;
}

.collage-sticker {
  border: 1px solid rgba(243, 238, 231, 0.24);
  border-radius: 999px;
  background: rgba(243, 238, 231, 0.86);
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  padding: 7px 10px;
}

.collage-watermark,
.collage-date-stamp {
  position: absolute;
  z-index: 4;
  color: rgba(243, 238, 231, 0.72);
  font-size: 12px;
  font-weight: 900;
  pointer-events: none;
  text-shadow: 0 4px 14px rgba(0, 0, 0, 0.42);
}

.collage-watermark {
  left: 18px;
  bottom: 18px;
}

.collage-date-stamp {
  top: 18px;
  right: 18px;
}

.collage-box {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: var(--box-border, 2px) solid var(--box-border-color, #eadde0);
  border-radius: var(--box-radius, 16px);
  background:
    linear-gradient(135deg, rgba(243, 238, 231, 0.24), rgba(174, 124, 134, 0.16)),
    rgba(11, 16, 18, 0.72);
  box-shadow: var(--box-shadow, 0 16px 42px rgba(0, 0, 0, 0.32));
}

.collage-stage.layout-grid .collage-box {
  grid-column: span var(--span-x, 1);
  grid-row: span var(--span-y, 1);
}

.collage-stage:not(.layout-grid) .collage-box {
  position: absolute;
  left: var(--box-x);
  top: var(--box-y);
  width: var(--box-w);
  height: var(--box-h);
}

.collage-box.selected {
  outline: 3px solid var(--aqua);
  outline-offset: -3px;
}

.collage-box.locked::after {
  content: "Locked";
  position: absolute;
  z-index: 5;
  right: 8px;
  bottom: 8px;
  border-radius: 999px;
  background: rgba(8, 6, 4, 0.68);
  color: #ffffff;
  font-size: 10px;
  font-weight: 900;
  padding: 5px 8px;
}

.collage-box-drop {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 0;
}

.collage-box.drag-over {
  outline: 3px solid #ffffff;
  outline-offset: -6px;
}

.collage-photo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: var(--photo-fit, cover);
  object-position: var(--photo-position, center center);
  transform: var(--photo-transform, none);
  filter: var(--photo-filter, none);
  transform-origin: center center;
}

.collage-empty-box {
  width: min(180px, calc(100% - 24px));
  min-height: 88px;
  display: grid;
  place-items: center;
  gap: 7px;
  border: 1px dashed rgba(243, 238, 231, 0.42);
  border-radius: 8px;
  background: rgba(243, 238, 231, 0.12);
  color: rgba(243, 238, 231, 0.9);
  padding: 12px;
  text-align: center;
}

.collage-empty-box strong,
.collage-empty-box span {
  display: block;
}

.collage-empty-box strong {
  font-size: 13px;
}

.collage-empty-box span {
  font-size: 11px;
  font-weight: 900;
}

.collage-box-name {
  position: absolute;
  z-index: 6;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid rgba(243, 238, 231, 0.2);
  border-radius: 8px;
  background: rgba(243, 238, 231, 0.88);
  color: var(--ink);
  padding: 7px 8px;
}

.collage-box-name input {
  min-height: 28px;
  border: 0;
  background: transparent;
  padding: 0;
}

.collage-box-caption {
  margin-top: 3px;
  overflow: hidden;
  color: rgba(18, 28, 30, 0.72);
  font-size: 10px;
  font-weight: 900;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.collage-box-emoji {
  position: absolute;
  z-index: 6;
  top: 48px;
  left: 8px;
  border-radius: 999px;
  background: rgba(243, 238, 231, 0.88);
  color: var(--ink);
  font-size: 18px;
  padding: 4px 7px;
}

.collage-box-controls {
  position: absolute;
  z-index: 7;
  top: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: start;
  pointer-events: none;
}

.collage-box-controls button {
  min-height: 28px;
  border: 1px solid rgba(243, 238, 231, 0.24);
  border-radius: 8px;
  background: rgba(8, 6, 4, 0.72);
  color: #ffffff;
  cursor: pointer;
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  padding: 6px 8px;
  pointer-events: auto;
}

.collage-resize-handle {
  position: absolute;
  z-index: 8;
  right: 0;
  bottom: 0;
  width: 24px;
  height: 24px;
  border: 0;
  background:
    linear-gradient(135deg, transparent 0 48%, rgba(243, 238, 231, 0.75) 50% 58%, transparent 60%),
    transparent;
  cursor: nwse-resize;
}

.collage-status {
  min-height: 20px;
  color: rgba(243, 238, 231, 0.72);
  font-size: 12px;
  font-weight: 900;
}

.collage-status.error {
  color: #ffc2cf;
}

.collage-preview {
  position: fixed;
  z-index: 110;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(5, 7, 8, 0.82);
  backdrop-filter: blur(8px);
  padding: 20px;
}

.collage-preview[hidden] {
  display: none;
}

.collage-preview-card {
  width: min(880px, calc(100dvw - 32px));
  max-height: calc(100dvh - 32px);
  display: grid;
  gap: 12px;
  overflow: auto;
  border: 1px solid rgba(243, 238, 231, 0.18);
  border-radius: 10px;
  background: rgba(16, 23, 25, 0.96);
  padding: 16px;
}

.collage-preview-card img {
  width: 100%;
  display: block;
  border-radius: 8px;
}

.collage-preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: end;
}

.collage-hidden-input {
  position: fixed;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 1100px) {
  :root {
    --collage-panel-width: 270px;
  }
}

@media (max-width: 860px) {
  :root {
    --collage-topbar-height: 132px;
  }

  .collage-editor-topbar {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .collage-topbar-title {
    grid-template-columns: 1fr;
  }

  .collage-editor-main {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .collage-panel,
  .collage-stage-shell {
    height: auto;
    overflow: visible;
  }

  .collage-panel.left,
  .collage-panel.right {
    border: 0;
    border-bottom: 1px solid rgba(243, 238, 231, 0.14);
  }

  .collage-stage-shell {
    order: -1;
    min-height: calc(100dvh - var(--collage-topbar-height));
    padding: 10px;
  }

  .collage-stage {
    width: 100%;
  }

  .collage-stage.layout-grid .collage-stage-inner {
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
    grid-auto-rows: minmax(132px, 1fr);
  }
}

@media (max-width: 520px) {
  :root {
    --collage-topbar-height: 172px;
  }

  .collage-editor-topbar,
  .collage-panel {
    padding: 10px;
  }

  .collage-toolbar-actions,
  .collage-toolbar-left {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .collage-tool-button,
  .collage-icon-button {
    width: 100%;
  }

  .collage-stage.layout-grid .collage-stage-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .collage-two-col,
  .collage-three-col {
    grid-template-columns: 1fr;
  }

  .collage-box-controls button {
    min-height: 26px;
    font-size: 9px;
    padding: 5px 6px;
  }
}