:root {
  --ink: #f8fafc;
  --muted: rgba(248, 250, 252, 0.66);
  --line: rgba(255, 255, 255, 0.08);
  --panel: linear-gradient(180deg, rgba(23, 31, 43, 0.98), rgba(15, 23, 34, 0.98));
  --panel-strong: linear-gradient(180deg, rgba(23, 31, 43, 0.98), rgba(15, 23, 34, 0.98));
  --accent: #ff7a45;
  --accent-strong: #f04d23;
  --danger: #c2410c;
  --shadow: 0 24px 80px rgba(2, 6, 23, 0.44);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100vh;
}

body {
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 122, 69, 0.16), transparent 30%),
    radial-gradient(circle at bottom right, rgba(91, 192, 190, 0.14), transparent 28%),
    linear-gradient(145deg, #0b1119 0%, #111827 48%, #17202c 100%);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  display: block;
  min-height: 100vh;
}

.stage-column {
  min-width: 0;
  padding: 18px 18px 18px 92px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.workspace-grid {
  min-height: 0;
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 16px;
}

.workspace-grid.layers-collapsed {
  grid-template-columns: minmax(0, 1fr);
}

.panel-heading,
.toolbar-actions,
.popup-header,
.toolbar-top,
.toolbar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.toolbar-actions {
  justify-content: flex-start;
  flex-wrap: wrap;
}

.toolbar-top {
  align-items: flex-start;
}

.toolbar-brand {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.toolbar-brand h1,
.panel-heading h2,
.popup-header h2 {
  margin: 0;
  font-family: Georgia, serif;
  letter-spacing: 0.01em;
}

.toolbar-brand h1 {
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  line-height: 0.94;
}

.eyebrow,
.subtle-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.lede,
.panel-note {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.panel-heading {
  margin-bottom: 12px;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

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

.stack {
  display: grid;
  gap: 14px;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 0.92rem;
  color: var(--muted);
}

input,
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}

input[type="color"] {
  padding: 6px;
  min-height: 44px;
}

input[type="range"] {
  padding: 0;
}

textarea {
  resize: vertical;
}

.primary-button,
.secondary-button,
.danger-button,
.ghost-button,
.upload-button span,
.icon-button,
.hud-button {
  min-height: 42px;
  border-radius: 16px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-button {
  padding: 0 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 16px 28px rgba(240, 77, 35, 0.26);
}

.secondary-button,
.upload-button span,
.icon-button,
.hud-button {
  padding: 0 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.danger-button,
.hud-button.danger {
  padding: 0 14px;
  color: #fff;
  background: linear-gradient(135deg, #ea580c 0%, var(--danger) 100%);
}

.ghost-button {
  padding: 0 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.primary-button:hover,
.secondary-button:hover,
.danger-button:hover,
.ghost-button:hover,
.upload-button:hover span,
.icon-button:hover,
.hud-button:hover {
  transform: translateY(-1px);
}

.upload-button {
  display: block;
}

.upload-button input {
  display: none;
}

.upload-button span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.icon-button {
  font-size: 1.2rem;
}

.selection-pill {
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #ffb185;
  background: rgba(255, 122, 69, 0.14);
}

.layer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.project-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.project-card.active {
  border-color: rgba(255, 177, 133, 0.42);
  background: rgba(255, 122, 69, 0.12);
}

.project-preview {
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.04) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-main {
  display: grid;
  gap: 4px;
}

.project-meta {
  display: grid;
  gap: 2px;
}

.project-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.project-time {
  font-size: 0.78rem;
  color: var(--muted);
}

.project-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.project-action {
  min-height: 36px;
  padding: 0 10px;
  border-radius: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-action.danger {
  color: #fff;
  background: linear-gradient(135deg, #ea580c 0%, var(--danger) 100%);
}

.about-copy {
  gap: 14px;
}

.about-copy p {
  margin: 0;
  line-height: 1.6;
  color: #d8e0ea;
}

.about-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.guide-layout {
  display: grid;
  gap: 14px;
}

.guide-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.guide-copy {
  display: grid;
  gap: 10px;
}

.guide-copy p {
  margin: 0;
  line-height: 1.6;
  color: #d8e0ea;
}

.guide-shortcuts-card {
  gap: 14px;
}

.shortcut-list {
  display: grid;
  gap: 8px;
}

.shortcut-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.shortcut-row span {
  color: #d8e0ea;
  line-height: 1.45;
}

.shortcut-keys {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 23, 34, 0.82);
  color: #ffcfb8;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: inset 0 -2px 0 rgba(255, 255, 255, 0.04);
}

.site-link {
  color: #ffb185;
  font-weight: 700;
  text-decoration: none;
}

.site-link:hover {
  text-decoration: underline;
}

.layers-sidebar {
  padding: 18px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(23, 31, 43, 0.98), rgba(15, 23, 34, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 42px rgba(20, 32, 44, 0.2);
  overflow: auto;
  color: #f8fafc;
}

.layers-sidebar.is-collapsed {
  display: none;
}

.compact-button {
  min-width: 40px;
  min-height: 40px;
  padding: 0;
}

.layers-restore-button {
  position: fixed;
  top: 118px;
  right: 18px;
  z-index: 31;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 48px rgba(2, 6, 23, 0.38);
}

.layers-sidebar .subtle-label {
  color: #ffb185;
}

.layers-sidebar .panel-heading h2,
.layers-sidebar .panel-note,
.layers-sidebar .layer-name,
.layers-sidebar .layer-type,
.layers-sidebar .layer-order {
  color: #f8fafc;
}

.layers-sidebar .panel-note,
.layers-sidebar .layer-type,
.layers-sidebar .layer-order {
  color: rgba(248, 250, 252, 0.66);
}

.layer-item {
  display: grid;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
  user-select: none;
  -webkit-user-select: none;
}

.layer-item.active {
  border-color: rgba(255, 177, 133, 0.42);
  background: rgba(255, 122, 69, 0.14);
}

.layer-item.is-child {
  margin-left: 14px;
}

.layer-item.is-group {
  border-style: dashed;
  background: rgba(255, 177, 133, 0.08);
}

.layer-item.dragging {
  opacity: 0.5;
}

.layer-item.drop-before {
  box-shadow: inset 0 3px 0 #ff7a45;
}

.layer-item.drop-after {
  box-shadow: inset 0 -3px 0 #ff7a45;
}

.layer-main {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.layer-type {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  width: fit-content;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.layer-name {
  font-size: 0.84rem;
  font-weight: 700;
  cursor: text;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-meta {
  display: grid;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.layer-main-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.layer-action {
  width: 28px;
  min-width: 28px;
  height: 28px;
  min-height: 28px;
  padding: 0;
  border-radius: 9px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.layer-action i {
  pointer-events: none;
}

.layer-title-input {
  width: 100%;
  min-width: 0;
  min-height: 28px;
  padding: 5px 8px;
  border-radius: 9px;
  border: 1px solid rgba(255, 177, 133, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: #f8fafc;
  font-size: 0.82rem;
  font-weight: 700;
}

.layer-grip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 26px;
  border-radius: 8px;
  color: rgba(248, 250, 252, 0.54);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: element;
  padding: 0;
  appearance: none;
}

.layer-grip:active {
  cursor: grabbing;
}

.layer-order {
  padding: 4px 6px;
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.06);
}

.layer-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.layer-controls label {
  gap: 4px;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.62);
}

.layer-controls select {
  min-height: 30px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
  color: #f8fafc;
  font-size: 0.76rem;
}

.layer-empty {
  text-align: center;
  color: rgba(248, 250, 252, 0.62);
}

.stage-toolbar {
  display: grid;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 24px;
  background: var(--panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 42px rgba(20, 32, 44, 0.2);
}

#status-line {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.stage-wrap {
  position: relative;
  min-height: 0;
  flex: 1;
  padding: 24px;
  border-radius: 32px;
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.04) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 26px 26px;
  background-position: 0 0, 0 13px, 13px -13px, -13px 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  overflow: auto;
}

.stage-content {
  position: relative;
  display: inline-block;
  min-width: max-content;
  min-height: max-content;
}

.stage-wrap.drop-active {
  box-shadow:
    inset 0 0 0 2px rgba(255, 177, 133, 0.42),
    inset 0 0 60px rgba(255, 122, 69, 0.08);
}

.canvas-frame {
  display: inline-block;
  padding: 14px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  transform-origin: top left;
  will-change: transform;
}

#editor-canvas {
  display: block;
  max-width: none;
  border-radius: 20px;
  cursor: default;
  touch-action: none;
}

.selection-hud,
.selection-popup,
.floating-add-toolbar,
.workspace-modal {
  position: fixed;
  z-index: 30;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 48px rgba(2, 6, 23, 0.38);
}

.selection-hud {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-radius: 18px;
}

.selection-hud.is-collapsed {
  padding: 8px;
  border-radius: 16px;
}

.hud-quick-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.selection-hud.is-collapsed .hud-quick-actions {
  display: none;
}

.hud-toggle {
  min-width: 38px;
  width: 38px;
  min-height: 38px;
  padding: 0;
  border-radius: 12px;
}

.hud-toggle i {
  pointer-events: none;
}

.hud-title {
  padding: 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
}

.hud-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.hud-chip input[type="color"] {
  width: 34px;
  min-height: 34px;
  padding: 3px;
  border-radius: 10px;
}

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

.selection-popup {
  width: min(420px, calc(100vw - 24px));
  max-height: min(78vh, 760px);
  overflow: auto;
  padding: 18px;
  border-radius: 24px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 24;
  background: rgba(2, 6, 23, 0.58);
  backdrop-filter: blur(8px);
}

.workspace-modal {
  z-index: 32;
  top: 88px;
  left: 50%;
  transform: translateX(-50%);
  width: min(880px, calc(100vw - 32px));
  max-height: min(80vh, 820px);
  overflow: auto;
  padding: 20px;
  border-radius: 28px;
}

.floating-add-toolbar {
  top: 20px;
  left: 18px;
  display: grid;
  gap: 8px;
  padding: 10px;
  border-radius: 22px;
}

.floating-tool-group {
  position: relative;
  padding-right: 12px;
  margin-right: -12px;
}

.floating-submenu {
  position: absolute;
  left: calc(100% + 10px);
  top: 0;
  display: grid;
  gap: 8px;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--panel);
  box-shadow: 0 20px 48px rgba(2, 6, 23, 0.38);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-width: 184px;
}

.floating-submenu::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -14px;
  width: 14px;
}

.floating-tool {
  width: 48px;
  min-width: 48px;
  height: 48px;
  min-height: 48px;
  padding: 0;
  border-radius: 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  position: relative;
}

.floating-tool-label {
  width: 58px;
  min-width: 58px;
  height: auto;
  min-height: 62px;
  padding: 8px 6px;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
}

.floating-tool-label span {
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.floating-upload {
  display: block;
  cursor: pointer;
}

.floating-upload input {
  display: none;
}

.floating-upload span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
}

.floating-tool i,
.floating-upload i {
  pointer-events: none;
}

.floating-tool[data-tip]::after,
.floating-upload[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(-6px);
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(15, 23, 34, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #f8fafc;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
  white-space: nowrap;
}

.floating-tool[data-tip]:hover::after,
.floating-upload[data-tip]:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.floating-tool.is-active {
  border-color: rgba(255, 177, 133, 0.42);
  background: rgba(255, 122, 69, 0.16);
  color: #ffb185;
}

.popup-header {
  margin-bottom: 16px;
  align-items: flex-start;
}

.popup-header h2 {
  margin-top: 4px;
}

.hidden {
  display: none !important;
}

.checkbox-label {
  align-items: center;
  grid-template-columns: 1fr auto;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  padding: 0;
  accent-color: var(--accent);
}

button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 1080px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .stage-column {
    padding: 84px 16px 16px 16px;
  }

  .stage-toolbar,
  .layers-sidebar,
  .selection-popup {
    border-radius: 22px;
  }

  .input-grid,
  .button-row {
    grid-template-columns: 1fr;
  }

  .project-gallery {
    grid-template-columns: 1fr;
  }

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

  .selection-hud {
    flex-wrap: wrap;
    max-width: calc(100vw - 20px);
  }

  .floating-add-toolbar {
    top: auto;
    bottom: 16px;
    left: 16px;
    right: 16px;
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .floating-tool {
    min-width: 0;
  }

  .floating-submenu {
    left: 0;
    right: 0;
    top: auto;
    bottom: calc(100% + 10px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}