/* ============================================
   Creatory — Custom Coloring Books
   ============================================ */

:root {
  --color-bg: #FAFAF9;
  --color-surface: #FFFFFF;
  --color-primary: #0D9488;
  --color-primary-dark: #0F766E;
  --color-primary-light: #2DD4BF;
  --color-primary-subtle: #CCFBF1;
  --color-secondary: #F59E0B;
  --color-accent: #F97316;
  --color-success: #16A34A;
  --color-success-light: #DCFCE7;
  --color-text: #1C1917;
  --color-text-secondary: #57534E;
  --color-text-muted: #A8A29E;
  --color-border: #E7E5E4;
  --color-border-light: #F5F5F4;
  --font: 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.container { max-width: 920px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 600px; }

main { flex: 1; }

/* ---- HEADER ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--color-primary);
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.header-cta {
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  background: none;
  border: 1.5px solid var(--color-primary);
  border-radius: 999px;
  padding: 0.35rem 1rem;
  cursor: pointer;
  transition: all var(--transition);
}

.header-cta:hover {
  background: var(--color-primary);
  color: white;
}

/* ---- PROGRESS BAR ---- */
.progress-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding: 0.75rem 0;
}

.progress-bar.hidden { display: none; }

.progress-track {
  height: 3px;
  background: var(--color-border-light);
  border-radius: 999px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 999px;
  width: 25%;
  transition: width 0.4s ease;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
}

.progress-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.progress-label.active { color: var(--color-primary); }
.progress-label.completed { color: var(--color-success); }

/* ---- STEPS ---- */
.step {
  display: none;
  animation: fadeIn 0.3s ease;
  padding: 2.5rem 0 4rem;
}

.step.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-title {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.step-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

/* ---- HERO ---- */
.hero {
  text-align: center;
  padding: 3.5rem 0 2.5rem;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 1.2rem;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}

.hero-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.hero-pill {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
}

/* ---- HOW IT WORKS ---- */
.how-section {
  padding: 2rem 0 1rem;
  max-width: 560px;
  margin: 0 auto;
}

.how-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.how-list {
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.how-list li {
  counter-increment: steps;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.how-list li::before {
  content: counter(steps);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 0.1rem;
}

.how-list li strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.how-list li span {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

/* ---- FUTURE NOTE ---- */
.future-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 1.25rem 0;
  border-top: 1px dashed var(--color-border);
  margin-top: 2rem;
}

/* ---- BACK BUTTON ---- */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem 0;
  margin-bottom: 1rem;
  transition: color var(--transition);
}

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

/* ---- FORMS ---- */
.form { display: flex; flex-direction: column; gap: 1.5rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
}

.label-hint {
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-group input[type="text"] {
  font-family: var(--font);
  font-size: 1rem;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input[type="text"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-group input[type="text"]::placeholder {
  color: var(--color-text-muted);
}

/* Age selector */
.age-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.age-btn {
  font-family: var(--font);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.age-btn:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-subtle);
}

.age-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

/* Suggested tags */
.suggested-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.4rem;
}

.tag-suggestion {
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.tag-suggestion:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.tag-suggestion.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

/* Tag input */
.tag-input-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.7rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  min-height: 44px;
  cursor: text;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.tag-input-wrap:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.tags-display {
  display: contents;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.2rem 0.4rem 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary-subtle);
  color: var(--color-primary-dark);
}

.tag-pill-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition);
}

.tag-pill-remove:hover {
  background: var(--color-primary);
  color: white;
}

.tag-input {
  flex: 1;
  min-width: 120px;
  font-family: var(--font);
  font-size: 0.9rem;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-text);
  padding: 0.2rem 0;
}

.tag-input::placeholder { color: var(--color-text-muted); }

/* ---- PAGE COUNT CARDS ---- */
.page-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-card {
  position: relative;
  font-family: var(--font);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.page-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.page-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.page-card-badge {
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--color-secondary);
  color: white;
  white-space: nowrap;
}

.page-card-count {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.15rem;
}

.page-card.selected .page-card-count { color: var(--color-primary-dark); }

.page-card-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.3rem;
}

.page-card-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ---- GENERATING ---- */
.generating-container {
  text-align: center;
  padding-top: 4rem;
}

.generating-animation {
  margin-bottom: 2rem;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin: 0 auto;
}

.spinner-sm {
  width: 28px;
  height: 28px;
  border-width: 2.5px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.generating-message {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.75rem;
  min-height: 1.5em;
}

.generating-progress {
  width: 100%;
  max-width: 280px;
  height: 4px;
  background: var(--color-border-light);
  border-radius: 999px;
  margin: 0 auto 0.6rem;
  overflow: hidden;
}

.generating-progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 999px;
  width: 0%;
  transition: width 0.5s ease;
}

.generating-count {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

/* ---- PREVIEW ---- */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.preview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.preview-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.preview-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: white;
}

.preview-card-label {
  padding: 0.5rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---- CHECKOUT AREA ---- */
.checkout-area {
  text-align: center;
  padding: 1.5rem 0;
}

.checkout-note {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

/* ---- SUCCESS ---- */
.success-container {
  text-align: center;
  padding-top: 3rem;
}

.success-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.success-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 0;
}

.success-loading p {
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
}

.success-ready { padding: 1rem 0; }

.success-hint {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 0.65rem;
}

/* ---- BUTTONS ---- */
.btn {
  font-family: var(--font);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 1px 4px rgba(13, 148, 136, 0.2);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 3px 12px rgba(13, 148, 136, 0.3);
}

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

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

.btn-lg {
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
}

.btn-full { width: 100%; }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
  font-size: 0.85rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
}

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

/* ---- TOAST ---- */
.toast {
  position: fixed;
  top: 72px;
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  background: var(--color-text);
  color: white;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  max-width: 90%;
  text-align: center;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.toast.toast-error { background: #DC2626; }
.toast.toast-success { background: var(--color-success); }

.toast.hidden { display: none; }

/* ---- FOOTER ---- */
.footer {
  border-top: 1px solid var(--color-border-light);
  padding: 1.25rem 0;
  text-align: center;
}

.footer p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---- UTILITIES ---- */
.hidden { display: none !important; }

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .hero { padding: 2rem 0 1.5rem; }
  .hero h1 { font-size: 1.65rem; }
  .hero-desc { font-size: 0.95rem; }
  .hero-pills { gap: 0.4rem; }
  .hero-pill { font-size: 0.72rem; padding: 0.3rem 0.6rem; }

  .step-title { font-size: 1.35rem; }

  .how-section h2 { font-size: 1.15rem; }

  .page-options {
    grid-template-columns: 1fr;
    max-width: 260px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-card { padding: 1.25rem 0.75rem; }
  .page-card-count { font-size: 1.8rem; }

  .preview-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.65rem; }

  .btn-lg {
    font-size: 0.9rem;
    padding: 0.8rem 1.5rem;
  }

  .header-cta { display: none; }
}