:root {
  --bg: #FAF6EC;
  --white: #FFF;
  --cream: #FFFDF0;
  --text: #4A3728;
  --text-muted: #8B7A40;
  --yellow: #FFD026;
  --yellow-dark: #E6B800;
  --yellow-light: #FFE880;
  --yellow-pale: #FFF5CC;
  --lemon: #D4A917;
  --leaf: #7A8B5A;
  --success: #6DAF6D;
  --success-dark: #5A9A5A;
  --error: #D45B5B;
  --yellow-glow: rgba(255, 208, 38, 0.3);
  --shadow: rgba(0, 0, 0, 0.08);
  --shadow-light: rgba(0, 0, 0, 0.06);
  --shadow-thumb: rgba(0, 0, 0, 0.15);
  --radius: 12px;

  /* Lemon pattern */
  --lemon-fruit: ellipse 12px 15px;
  --lemon-fruit-lg: ellipse 14px 17px;
  --lemon-fruit-sm: ellipse 11px 14px;
  --lemon-leaf: ellipse 7px 4px;
  --lemon-tile: 620px 440px;
  --lemon-opacity: 0.35;
}

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

body {
  font-family: 'Josefin Sans', 'Segoe UI', system-ui, sans-serif;
  background-color: var(--bg);
  /* Ribbed fabric texture: fine vertical lines */
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(220, 210, 185, 0.18) 2px,
      rgba(220, 210, 185, 0.18) 3px
    );
  background-size: 4px 4px;
  color: var(--text);
  min-height: 100vh;
  position: relative;
}

/* Lemon pattern overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    /* Row 1 */
    radial-gradient(var(--lemon-fruit) at 80px 65px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 86px 51px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    radial-gradient(var(--lemon-fruit-lg) at 290px 50px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 296px 35px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    radial-gradient(var(--lemon-fruit-sm) at 510px 72px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 516px 59px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    /* Row 2 */
    radial-gradient(var(--lemon-fruit) at 180px 200px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 186px 186px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    radial-gradient(var(--lemon-fruit) at 410px 185px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 415px 171px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    radial-gradient(var(--lemon-fruit-sm) at 45px 210px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 50px 197px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    /* Row 3 */
    radial-gradient(var(--lemon-fruit) at 120px 340px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 126px 326px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    radial-gradient(var(--lemon-fruit-lg) at 350px 320px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 356px 305px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%),
    radial-gradient(var(--lemon-fruit-sm) at 550px 345px, var(--lemon) 0%, var(--lemon) 60%, transparent 61%),
    radial-gradient(var(--lemon-leaf) at 555px 332px, var(--leaf) 0%, var(--leaf) 70%, transparent 71%);
  background-size: var(--lemon-tile);
  opacity: var(--lemon-opacity);
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* === Progress bar === */
.progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 20px 40px 8px;
}

.progress-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--yellow-light);
  border: 2px solid var(--yellow);
  transition: background 0.3s, transform 0.3s;
  flex-shrink: 0;
}

.progress-dot.active {
  background: var(--yellow);
  transform: scale(1.2);
}

.progress-dot.done {
  background: var(--success);
  border-color: var(--success-dark);
}

.progress-line {
  height: 3px;
  flex: 1;
  max-width: 60px;
  background: var(--yellow-light);
  transition: background 0.3s;
}

.progress-line.done {
  background: var(--success);
}

/* === Steps === */
.step {
  display: none;
}

.step.active {
  display: block;
}

.step-title {
  font-family: 'Amatic SC', cursive;
  font-weight: 700;
  font-size: 2rem;
  color: var(--yellow-dark);
  text-align: center;
  padding: 12px 16px 8px;
}

/* === Step 1: Welcome === */
.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 40px 16px;
  text-align: center;
}

.welcome-title {
  font-family: 'Amatic SC', cursive;
  font-weight: 700;
  font-size: 4.5rem;
  color: var(--yellow);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.welcome-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.6;
}

/* === Buttons === */
.btn-primary {
  padding: 14px 32px;
  border: none;
  border-radius: 12px;
  background: var(--yellow);
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--yellow-dark);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  padding: 14px 24px;
  border: 2px solid var(--yellow);
  border-radius: 12px;
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: var(--yellow-pale);
}

.btn-start {
  font-size: 1.2rem;
  padding: 16px 48px;
}

/* === Step navigation === */
.step-nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 16px 24px;
  gap: 12px;
}

.step-nav .btn-next {
  margin-left: auto;
}

/* === Preview === */
.preview-section {
  display: flex;
  justify-content: center;
  padding: 16px;
}

#preview {
  width: 320px;
  height: 310px;
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 4px 20px var(--shadow);
  image-rendering: -webkit-optimize-contrast;
}

/* Mini preview for steps 3 & 4 */
.preview-mini {
  padding: 8px;
}

.preview-mini canvas {
  width: 160px;
  height: 155px;
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 2px 12px var(--shadow-light);
  image-rendering: -webkit-optimize-contrast;
}

/* Category tabs */
.category-tabs {
  display: flex;
  gap: 4px;
  padding: 0 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  flex: 1;
  min-width: 0;
  padding: 10px 8px;
  border: none;
  background: var(--yellow-pale);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 12px 12px 0 0;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.tab.active {
  background: var(--yellow);
  color: var(--text);
}

/* Color picker */
.color-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--white);
  border-bottom: 1px solid var(--yellow-light);
}

.color-picker.hidden {
  display: none;
}

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

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}

.color-swatch:hover {
  transform: scale(1.1);
}

.color-swatch.active {
  border-color: var(--yellow);
}

/* Options grid */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
  padding: 16px;
  background: var(--white);
  min-height: 120px;
}

.option-item {
  aspect-ratio: 1;
  border-radius: 12px;
  border: 3px solid var(--yellow-light);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
}

.option-item:hover {
  transform: scale(1.05);
  border-color: var(--yellow);
}

.option-item.active {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px var(--yellow-glow);
}

.option-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.option-item .placeholder-thumb {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  padding: 4px;
}

/* === Forms === */
.form-section {
  padding: 8px 16px;
  max-width: 500px;
  margin: 0 auto;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.field-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-left: 4px;
}

.form-row {
  display: flex;
  gap: 10px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

input[type="text"],
input[type="email"],
input[type="date"],
input[type="time"] {
  padding: 12px 16px;
  border: 2px solid var(--yellow-light);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="date"]:focus,
input[type="time"]:focus {
  border-color: var(--yellow);
}

/* Sliders */
.sliders-section {
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.slider-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--yellow-light);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--yellow);
  cursor: pointer;
  box-shadow: 0 2px 6px var(--shadow-thumb);
}

/* Submit button */
.btn-submit {
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--yellow);
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.2s, transform 0.15s;
}

.btn-submit:hover {
  background: var(--yellow-dark);
}

.btn-submit:active {
  transform: scale(0.98);
}

/* Footer */
footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (min-width: 600px) {
  .options-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  main {
    max-width: 600px;
    margin: 0 auto;
  }
}