:root {
  --primary: #8e44ad;
  --secondary: #ff6ec7;
  --accent: #00c9ff;
  --bg1: #f8f1ff;
  --bg2: #eef8ff;
  --text: #2b1f37;
  --panel: rgba(255, 255, 255, 0.68);
  --border: rgba(255, 255, 255, 0.4);
}

.aoct-app,
.aoct-app * {
  box-sizing: border-box;
}

.aoct-app {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg1), var(--bg2));
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 20px 35px rgba(90, 30, 120, 0.12);
}

.glass {
  background: var(--panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(36, 22, 53, 0.08);
}

.aoct-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 16px;
  background: linear-gradient(120deg, #ffffffbf, #f7eeffcf);
  border: 1px solid #ffffff99;
}

.aoct-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.aoct-brand h2 {
  margin: 0;
  font-size: 1.1rem;
}

.aoct-brand p {
  margin: 1px 0 0;
  opacity: 0.75;
  font-size: 0.82rem;
}

.aoct-logo {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-size: 1.3rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.aoct-tools,
.aoct-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

button,
.btn-like {
  border: 0;
  border-radius: 12px;
  padding: 8px 11px;
  cursor: pointer;
  font-weight: 600;
  background: white;
  color: var(--text);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.2s ease;
}

button:hover,
.btn-like:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 15px rgba(80, 38, 111, 0.14);
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tool-btn.active {
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  color: #fff;
}

.aoct-main {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 12px;
}

.aoct-sidebar {
  background: #ffffff9e;
  border: 1px solid #ffffffb8;
  border-radius: 16px;
  padding: 12px;
  min-height: 640px;
}

.sidebar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.icon-only {
  padding: 6px 9px;
}

#paletteSearch {
  width: 100%;
  margin-top: 8px;
}

.palette-list {
  margin-top: 10px;
  max-height: 560px;
  overflow: auto;
  padding-right: 4px;
}

.palette-card {
  margin-bottom: 10px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #f0e6fb;
  overflow: hidden;
}

.palette-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
}

.palette-actions {
  display: flex;
  gap: 5px;
}

.swatches {
  padding: 8px 10px 10px;
  display: grid;
  grid-template-columns: repeat(6, minmax(20px, 1fr));
  gap: 8px;
}

.swatch {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 2px solid #ffffff;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.16);
}

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

.aoct-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 10px;
  padding: 10px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-group input,
.control-group select,
#paletteSearch {
  border: 1px solid #e4d9f2;
  background: #fff;
  border-radius: 10px;
  padding: 8px;
}

.control-row {
  display: flex;
  gap: 10px;
  align-items: center;
  grid-column: span 2;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.86rem;
}

.recent-colors {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.recent-color {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #fff;
  cursor: pointer;
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.16);
}

.canvas-toolbar {
  margin-top: 10px;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  padding: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.canvas-toolbar button,
.canvas-toolbar .btn-like {
  flex: 0 0 auto;
  white-space: nowrap;
}

.canvas-toolbar select {
  flex: 0 0 auto;
  border: 1px solid #e4d9f2;
  background: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  min-width: 92px;
}

.danger-btn {
  background: #ffe8ee;
  color: #b4234f;
}

.danger-btn:hover {
  box-shadow: 0 8px 15px rgba(180, 35, 79, 0.22);
}

.canvas-shell {
  margin-top: 10px;
  border-radius: 20px;
  overflow: auto;
  background: #fffdfecf;
  border: 1px solid #f2e7ff;
}

.canvas-wrap {
  position: relative;
  width: 1000px;
  max-width: 100%;
  aspect-ratio: 1000 / 700;
  height: auto;
  margin: 30px auto;
  transform-origin: center center;
  touch-action: none;
}

#outlineCanvas,
#paintCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 14px;
}

.canvas-wrap img {
  display: block;
  max-width: 100%;
  height: auto;
}

#outlineCanvas {
  z-index: 1;
  background: #fff;
}

#paintCanvas {
  z-index: 2;
}

.save-message {
  margin: 9px 2px 0;
  opacity: 0;
  transition: opacity 0.25s ease;
  color: var(--primary);
  font-weight: 600;
}

.save-message.show {
  opacity: 1;
}

.aoct-modal {
  position: fixed;
  inset: 0;
  background: rgba(36, 17, 51, 0.35);
  display: grid;
  place-items: center;
  z-index: 10000;
}

.aoct-modal-card {
  max-width: 500px;
  width: calc(100% - 30px);
  padding: 16px;
}

.hidden {
  display: none !important;
}

.aoct-app.dark {
  --text: #f3eaff;
  --panel: rgba(23, 22, 31, 0.6);
  --border: rgba(255, 255, 255, 0.08);
  --bg1: #181428;
  --bg2: #23263b;
}

.aoct-app.dark .aoct-sidebar,
.aoct-app.dark .palette-card,
.aoct-app.dark button,
.aoct-app.dark .btn-like {
  background: #2d2538;
  color: #f6efff;
}

@media (max-width: 1024px) {
  .aoct-main {
    grid-template-columns: 1fr;
  }

  .aoct-sidebar {
    min-height: 0;
  }

  .aoct-controls {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .aoct-sidebar.collapsed .palette-list,
  .aoct-sidebar.collapsed #paletteSearch {
    display: none;
  }
}

@media (max-width: 640px) {
  .aoct-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .aoct-controls {
    grid-template-columns: 1fr;
  }

  .canvas-wrap {
    width: min(100%, 900px);
  }

  .canvas-toolbar {
    padding-bottom: 10px;
  }
}