:root {
  --bg: #f0eeff;
  --panel: #ffffff;
  --accent1: #7c5cfc;
  --accent2: #fc5c8a;
  --accent3: #5cf0d2;
  --accent4: #fca35c;
  --text: #2d1f6e;
  --text-light: #8b7db5;
  --border: #e0d9ff;
  --shadow: 0 8px 32px rgba(124, 92, 252, 0.12);
  --radius: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  font-family: "Outfit", sans-serif;
  height: 100vh;
  overflow: hidden;
}

button,
input {
  font: inherit;
}

.topbar {
  align-items: center;
  background: var(--panel);
  border-bottom: 2px solid var(--border);
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 30px;
  padding: 10px 20px;
  z-index: 10;
}

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

.logo {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  font-family: "Space Mono", monospace;
  font-size: 18px;
  font-weight: 700;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.info-btn {
  align-items: center;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  border: 0;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(124, 92, 252, 0.28);
  color: #ffffff;
  cursor: pointer;
  display: flex;
  font-family: "Space Mono", monospace;
  font-size: 13px;
  font-weight: 700;
  height: 28px;
  justify-content: center;
  line-height: 1;
  transition:
    transform 0.15s,
    box-shadow 0.15s;
  width: 28px;
}

.info-btn:hover {
  box-shadow: 0 6px 20px rgba(124, 92, 252, 0.36);
  transform: translateY(-1px);
}

.toolbar {
  min-width: 0;
}

.topbar-center,
.topbar-right {
  align-items: center;
  display: flex;
  gap: 8px;
}

.topbar-center {
  flex-wrap: wrap;
}

.topbar-right {
  margin-top: 8px;
}

.tool-group,
.size-control,
.color-section {
  align-items: center;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  display: flex;
}

.tool-group {
  gap: 4px;
  padding: 4px;
}

.tool-btn {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 9px;
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  font-size: 16px;
  height: 36px;
  justify-content: center;
  position: relative;
  transition: all 0.15s;
  width: 36px;
}

.tool-btn:hover {
  background: var(--border);
  color: var(--accent1);
}

.tool-btn.active {
  background: var(--accent1);
  box-shadow: 0 3px 12px rgba(124, 92, 252, 0.4);
  color: #ffffff;
}

.tool-btn:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.tool-btn:disabled:hover {
  background: transparent;
  color: var(--text-light);
}

.tool-btn[title]:hover::after {
  background: var(--text);
  border-radius: 6px;
  bottom: -30px;
  color: #ffffff;
  content: attr(title);
  font-size: 11px;
  left: 50%;
  padding: 3px 8px;
  pointer-events: none;
  position: absolute;
  transform: translateX(-50%);
  white-space: nowrap;
  z-index: 100;
}

.separator {
  background: var(--border);
  border-radius: 2px;
  height: 28px;
  width: 1.5px;
}

.fill-toggle {
  align-items: center;
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  font-size: 11px;
  font-weight: 700;
  gap: 5px;
  user-select: none;
}

.fill-toggle input {
  accent-color: var(--accent1);
  cursor: pointer;
}

.size-control {
  gap: 8px;
  padding: 6px 12px;
}

.size-control span {
  color: var(--text-light);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.size-control strong,
.statusbar {
  font-family: "Space Mono", monospace;
}

.size-control strong {
  color: var(--accent1);
  font-size: 12px;
  min-width: 24px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, var(--accent1), var(--accent2));
  border-radius: 4px;
  height: 4px;
  outline: none;
  width: 90px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  background: #ffffff;
  border: 2px solid var(--accent1);
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(124, 92, 252, 0.3);
  cursor: pointer;
  height: 14px;
  width: 14px;
}

.color-section {
  gap: 6px;
  padding: 6px 10px;
}

.color-swatch {
  border: 2px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  height: 24px;
  transition: all 0.15s;
  width: 24px;
}

.color-swatch:hover,
.color-swatch.active {
  border-color: var(--accent1);
  transform: scale(1.1);
}

.color-input-wrap {
  display: block;
  height: 28px;
  position: relative;
  width: 28px;
}

.color-input-wrap input {
  border: 0;
  cursor: pointer;
  height: 100%;
  opacity: 0;
  position: absolute;
  width: 100%;
}

.color-input-icon {
  align-items: center;
  background: linear-gradient(135deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3);
  border: 2px solid var(--border);
  border-radius: 8px;
  display: flex;
  font-size: 13px;
  height: 28px;
  justify-content: center;
  pointer-events: none;
  width: 28px;
}

.action-btn {
  align-items: center;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  font-size: 13px;
  font-weight: 600;
  gap: 5px;
  padding: 7px 14px;
  transition: all 0.15s;
}

.btn-ghost {
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--text);
}

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

.action-btn:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  box-shadow: 0 4px 16px rgba(124, 92, 252, 0.3);
  color: #ffffff;
}

.mobile-tabs {
  display: none;
}

.main {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.sidebar {
  background: var(--panel);
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: 200px;
}

.sidebar-title {
  align-items: center;
  border-bottom: 1.5px solid var(--border);
  color: var(--text-light);
  display: flex;
  font-size: 11px;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0.1em;
  padding: 12px 16px;
  text-transform: uppercase;
}

.layer-add-btn {
  align-items: center;
  background: var(--accent1);
  border: 0;
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  height: 22px;
  justify-content: center;
  transition: transform 0.15s;
  width: 22px;
}

.layer-add-btn:hover {
  transform: scale(1.1);
}

.layers-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  padding: 8px;
}

.layer-item {
  align-items: center;
  background: var(--bg);
  border: 1.5px solid transparent;
  border-radius: 10px;
  color: inherit;
  cursor: pointer;
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  text-align: left;
}

.layer-item.active {
  background: linear-gradient(
    135deg,
    rgba(124, 92, 252, 0.08),
    rgba(252, 92, 138, 0.08)
  );
  border-color: var(--accent1);
}

.layer-thumb {
  background: #ffffff;
  border: 1.5px solid var(--border);
  border-radius: 5px;
  flex-shrink: 0;
  height: 24px;
  width: 32px;
}

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

.layer-name {
  display: block;
  font-size: 12px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-controls {
  display: flex;
  gap: 3px;
}

.layer-btn {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 4px;
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  font-size: 11px;
  height: 20px;
  justify-content: center;
  transition: all 0.15s;
  width: 20px;
}

.layer-btn:hover {
  background: var(--border);
  color: var(--accent2);
}

.layer-btn.vis-off {
  opacity: 0.42;
}

.layer-opacity {
  border-top: 1.5px solid var(--border);
  padding: 8px 16px;
}

.layer-opacity label {
  color: var(--text-light);
  display: flex;
  font-size: 10px;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.layer-opacity input {
  width: 100%;
}

.canvas-wrap {
  align-items: center;
  background: repeating-conic-gradient(#e8e4f7 0% 25%, #f0eeff 0% 50%) 0 0 /
    20px 20px;
  display: flex;
  flex: 1;
  justify-content: center;
  overflow: auto;
  padding: 18px;
}

.canvas-container {
  aspect-ratio: 3 / 2;
  background: transparent;
  border-radius: 4px;
  box-shadow:
    0 20px 60px rgba(124, 92, 252, 0.2),
    0 4px 16px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  position: relative;
  width: min(900px, 100%);
}

.canvas-container canvas {
  display: block;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.canvas-container canvas:last-child {
  cursor: crosshair;
  position: relative;
  touch-action: none;
}

.statusbar {
  background: var(--panel);
  border-top: 2px solid var(--border);
  color: var(--text-light);
  display: flex;
  flex-shrink: 0;
  font-size: 11px;
  gap: 20px;
  overflow-x: auto;
  padding: 6px 20px;
  white-space: nowrap;
}

.statusbar span {
  align-items: center;
  display: flex;
  gap: 4px;
}

#statusColor {
  color: var(--accent1);
  font-weight: 700;
}

/* APP INFO POPUP */
.popup-overlay {
  align-items: center;
  background-color: rgba(20, 13, 48, 0.72);
  display: none;
  height: 100%;
  justify-content: center;
  left: 0;
  overflow: hidden;
  padding: 20px;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.popup-overlay.active {
  animation: popupFadeIn 0.3s ease;
  display: flex;
}

.popup-content {
  animation: popupSlideUp 0.4s ease;
  background: linear-gradient(135deg, #ffffff 0%, #f7f4ff 100%);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(20, 13, 48, 0.32);
  display: flex;
  flex-direction: column;
  max-height: 85vh;
  max-width: 720px;
  overflow: hidden;
  width: 100%;
}

.popup-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: rgba(124, 92, 252, 0.65) rgba(124, 92, 252, 0.12);
  scrollbar-gutter: stable;
  scrollbar-width: thin;
}

.popup-body::-webkit-scrollbar {
  width: 10px;
}

.popup-body::-webkit-scrollbar-track {
  background: rgba(124, 92, 252, 0.08);
  border-radius: 999px;
  margin: 14px 8px;
}

.popup-body::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent1), var(--accent2));
  border: 2px solid #f7f4ff;
  border-radius: 999px;
}

.popup-body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #6a4df0, #ef4d80);
}

.popup-header {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  border-radius: 20px 20px 0 0;
  color: #ffffff;
  padding: 30px;
  text-align: center;
}

.popup-header h2 {
  align-items: center;
  display: flex;
  font-size: 2rem;
  gap: 12px;
  justify-content: center;
  margin-bottom: 10px;
}

.popup-subtitle {
  font-size: 1.08rem;
  font-weight: 300;
  opacity: 0.92;
}

.popup-section {
  border-bottom: 1px solid var(--border);
  padding: 24px 30px;
}

.popup-section:last-child {
  border-bottom: 0;
}

.popup-section h3 {
  align-items: center;
  color: var(--text);
  display: flex;
  font-size: 1.18rem;
  gap: 10px;
  margin-bottom: 14px;
}

.popup-section p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 10px;
}

.popup-section ul {
  list-style: disc;
  margin: 10px 0;
  padding-left: 20px;
}

.popup-section li {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.highlight-box {
  background: linear-gradient(
    135deg,
    rgba(124, 92, 252, 0.06) 0%,
    rgba(252, 92, 138, 0.1) 100%
  );
  border-left: 4px solid var(--accent1);
  border-radius: 10px;
  margin-top: 10px;
  padding: 18px;
}

.highlight-box ul {
  margin: 0;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.tech-tag {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(124, 92, 252, 0.2);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 8px 16px;
}

.close-popup-btn {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  border: 0;
  border-radius: 50px;
  box-shadow: 0 6px 20px rgba(124, 92, 252, 0.3);
  color: #ffffff;
  cursor: pointer;
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  margin: 28px auto;
  padding: 14px 30px;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.close-popup-btn:hover {
  box-shadow: 0 8px 25px rgba(124, 92, 252, 0.4);
  transform: translateY(-2px);
}

@keyframes popupFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes popupSlideUp {
  from {
    opacity: 0;
    transform: translateY(42px);
  }

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

@media (max-width: 767px) {
  body {
    min-height: 100vh;
  }

  .topbar {
    gap: 8px;
    max-height: 43vh;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 10px;
  }

  .brand-row,
  .logo,
  .toolbar,
  .topbar-center,
  .topbar-right {
    width: 100%;
  }

  .brand-row {
    justify-content: space-between;
  }

  .logo {
    font-size: 14px;
  }

  .tool-btn {
    height: 32px;
    width: 32px;
  }

  .separator {
    display: none;
  }

  .tool-btn[title]:hover::after {
    display: none;
  }

  .size-control,
  .color-section {
    flex: 1 1 100%;
  }

  .size-control input {
    flex: 1;
    min-width: 80px;
  }

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

  .action-btn {
    justify-content: center;
    min-width: 0;
    overflow: hidden;
    padding: 7px 8px;
    white-space: nowrap;
  }

  .mobile-tabs {
    background: var(--panel);
    border-bottom: 2px solid var(--border);
    display: grid;
    flex-shrink: 0;
    gap: 6px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 8px 10px;
  }

  .mobile-tab {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    color: var(--text-light);
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    padding: 9px 10px;
  }

  .mobile-tab.active {
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(124, 92, 252, 0.24);
    color: #ffffff;
  }

  .main {
    flex-direction: column;
  }

  .sidebar,
  .canvas-wrap {
    display: none;
  }

  body[data-mobile-view="layers"] .sidebar,
  body[data-mobile-view="canvas"] .canvas-wrap {
    display: flex;
  }

  .sidebar {
    border-right: 0;
    min-height: 0;
    width: 100%;
  }

  .canvas-wrap {
    align-items: flex-start;
    justify-content: flex-start;
    padding: 12px;
  }

  .canvas-container {
    flex: 0 0 auto;
    width: min(900px, calc(100vw - 24px));
    height: 52vh;
    overflow-y: auto;
  }

  .layers-list {
    max-height: 43vh;
  }

  .statusbar {
    gap: 12px;
    padding: 6px 10px;
  }

  .popup-header {
    padding: 24px 20px;
  }

  .popup-header h2 {
    font-size: 1.55rem;
  }

  .popup-subtitle {
    font-size: 0.98rem;
  }

  .popup-section {
    padding: 20px;
  }
}