:root {
  --bg: #fef9ef;
  --surface: #ffffff;
  --surface-alt: #f5f0e8;
  --primary: #ff7043;
  --primary-light: #ffab91;
  --primary-dim: rgba(255, 112, 67, 0.12);
  --accent-purple: #7c4dff;
  --accent-pink: #ff4081;
  --accent-green: #44cc44;
  --accent-blue: #2d2dff;
  --text: #2d2424;
  --text-2: #6b5e5e;
  --text-3: #a09090;
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 8px 32px rgba(45, 36, 36, 0.1);
  --shadow-sm: 0 2px 8px rgba(45, 36, 36, 0.06);
  --font-display: "Fredoka", "Nunito", sans-serif;
  --font-body: "Nunito", sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

/* === Language Bar === */
.lang-bar {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  padding: 0.75rem 1.5rem;
}

.lang-btn {
  background: var(--surface);
  border: 2px solid var(--text-3);
  color: var(--text-2);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
}

.lang-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

.lang-btn:hover {
  border-color: var(--primary);
}

/* === Header === */
.app-header {
  text-align: center;
  padding: 0.5rem 1.5rem 1rem;
}

.header-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 1rem;
  border: 2px solid var(--text-3);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  text-decoration: none;
  transition: all 0.2s;
}

.header-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.contact-btn.copied {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(68, 204, 68, 0.1);
}

.app-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  background: linear-gradient(135deg, var(--primary), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-subtitle {
  color: var(--text-2);
  font-size: 1.1rem;
}

/* === Canvas Section === */
.canvas-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem 1.5rem;
}

.canvas-area {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.5rem;
  margin-bottom: 1rem;
  overflow: hidden;
  touch-action: none;
}

#draw-canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  cursor: none;
  background: #fff;
}

.brush-cursor {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border: 2px solid var(--primary);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.15s, width 0.1s, height 0.1s, border-color 0.1s;
}

.brush-cursor.visible {
  opacity: 1;
}

/* === Toolbar === */
.toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.color-picker {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--text-3);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  background: none;
}

.color-picker::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.color-picker::-webkit-color-swatch {
  border-radius: 50%;
  border: none;
}

.preset-colors {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.color-dot {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.color-dot:hover {
  transform: scale(1.2);
}

.color-dot.active {
  border-color: var(--text);
  transform: scale(1.15);
}

.size-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
}

.size-slider {
  width: 80px;
  accent-color: var(--primary);
}

.tool-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--text-3);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
}

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

.tool-btn.active {
  border-color: var(--accent-pink);
  color: var(--accent-pink);
  background: rgba(255, 64, 129, 0.1);
}

.tool-btn-danger:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* === Upload === */
.upload-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.upload-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-2);
}

/* === Description === */
.description-wrap {
  margin: 1rem 0;
}

.description-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-2);
  margin-bottom: 0.5rem;
}

#description-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--text-3);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--surface);
  resize: none;
  transition: border-color 0.2s;
}

#description-input:focus {
  outline: none;
  border-color: var(--primary);
}

#description-input::placeholder {
  color: var(--text-3);
}

/* === Buttons === */
.btn-primary {
  display: inline-block;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent-pink));
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-display);
  transition: all 0.2s;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(255, 112, 67, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 112, 67, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-big {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 1.3rem;
  padding: 1.2rem;
}

/* === Gallery Section === */
.gallery-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.gallery-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--text);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.gallery-empty {
  text-align: center;
  color: var(--text-3);
  font-size: 1rem;
  padding: 2rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 2px dashed var(--text-3);
}

/* === Comparison Viewer === */
.compare-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 36, 36, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1rem;
  touch-action: pan-y;
}

.compare-card {
  width: 100%;
  max-width: 900px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.compare-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--surface-alt);
  border: none;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.4rem;
  color: var(--text-2);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-images {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--surface-alt);
}

.compare-img-wrap {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-img-wrap.active {
  opacity: 1;
}

.compare-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.compare-label {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(45, 36, 36, 0.7);
  color: #fff;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  pointer-events: none;
}

.compare-controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--surface);
  border-top: 1px solid var(--surface-alt);
}

.compare-btn {
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--text-3);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.2s;
}

.compare-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

.compare-download-wrap {
  display: flex;
  justify-content: center;
  padding: 0.75rem 1rem 0;
  background: var(--surface);
}

.compare-download {
  border-color: var(--primary) !important;
  color: var(--primary) !important;
}

.compare-download:hover {
  background: var(--primary-dim) !important;
}

.compare-hint {
  text-align: center;
  color: var(--text-3);
  font-size: 0.8rem;
  padding-bottom: 1rem;
  margin: 0;
}

/* === Gallery Card === */
.gallery-card {
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.gallery-card .card-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.75rem;
}

.gallery-card .card-images.single {
  grid-template-columns: 1fr;
}

.gallery-card .img-wrap {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface-alt);
  aspect-ratio: 4 / 3;
}

.gallery-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-card .img-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.35rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  background: rgba(45, 36, 36, 0.6);
  text-align: center;
}

.gallery-card .card-info {
  padding: 0 0.75rem 0.75rem;
}

.gallery-card .card-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.gallery-card .card-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.gallery-card .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
}

.gallery-card .status-dot.loading {
  background: var(--accent-purple);
  animation: pulse 1.2s infinite;
}

.gallery-card .status-dot.error {
  background: var(--accent-pink);
}

.gallery-card .status-text {
  color: var(--text-2);
}

.gallery-card .card-actions {
  display: flex;
  gap: 0.5rem;
  padding: 0 0.75rem 0.75rem;
}

.btn-small {
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--text-3);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.2s;
}

.btn-small:hover {
  border-color: var(--primary);
  color: var(--primary);
}


/* === Loading Animation === */
.loading-animation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  height: 100%;
}

.loading-animation .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  animation: bounce-dot 0.6s infinite alternate;
}

.loading-animation .dot:nth-child(2) {
  animation-delay: 0.2s;
  background: var(--accent-pink);
}

.loading-animation .dot:nth-child(3) {
  animation-delay: 0.4s;
  background: var(--accent-purple);
}

@keyframes bounce-dot {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-12px);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* === Error Banner === */
.error-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--accent-pink);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 9999;
  max-width: 90vw;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.error-dismiss {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

/* === Responsive === */
@media (max-width: 640px) {
  .app-title {
    font-size: 1.6rem;
  }

  .toolbar {
    gap: 0.5rem;
  }

  .size-slider {
    width: 60px;
  }

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

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