/* =====================================================================
   PINPRESS — styles
   ---------------------------------------------------------------------
   Design tokens live at the top as CSS variables. Colors and type sizes
   can be tweaked here without touching layout rules further down.
   ===================================================================== */

:root {
  /* Color */
  --color-bg:           #F8F4FD;
  --color-surface:      #FFFFFF;
  --color-primary:      #7C4DCB;
  --color-primary-dark: #5A35A0;
  --color-accent-light: #D8C2F5;
  --color-ink:          #2E1F47;
  --color-muted:        #8C7AA8;
  --color-warn:         #B5740E;
  --color-warn-bg:      #FBEDD7;
  --color-success:      #3D8F68;
  --color-border:       #E6DAF7;

  /* Type */
  --font-display: 'Baloo 2', system-ui, sans-serif;
  --font-body:    'Work Sans', system-ui, sans-serif;

  /* Layout */
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 2px 0 rgba(46, 31, 71, 0.04), 0 10px 30px rgba(124, 77, 203, 0.10);
  --shadow-pop:  0 2px 0 rgba(46, 31, 71, 0.25), 0 6px 16px rgba(124, 77, 203, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--color-bg);
  background-image:
    radial-gradient(circle at 8% 0%, rgba(124, 77, 203, 0.08), transparent 40%),
    radial-gradient(circle at 100% 20%, rgba(216, 194, 245, 0.35), transparent 45%);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.5;
  padding-bottom: 4rem;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ---------------------------------------------------------------------
   Header & brand mark
   --------------------------------------------------------------------- */
.site-header {
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 1.5rem 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.brand-mark circle { fill: var(--color-primary); }
.brand-mark .brand-shine { fill: none; stroke: var(--color-accent-light); stroke-width: 5; stroke-linecap: round; }

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-primary-dark);
}
.tagline {
  margin: 0.15rem 0 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.test-print-banner {
  max-width: 880px;
  margin: 0 auto 1.5rem;
  padding: 0.9rem 1.5rem;
  background: var(--color-warn-bg);
  color: var(--color-warn);
  border: 1px solid #F0D9A8;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-left: 1.5rem;
  margin-right: 1.5rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}
.test-print-banner[hidden] { display: none; }
@media (min-width: 944px) {
  .test-print-banner { margin-left: auto; margin-right: auto; }
}

.banner-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-warn);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
  opacity: 0.7;
}
.banner-close:hover { opacity: 1; }

.lib-error-banner {
  max-width: 880px;
  margin: 0 1.5rem 1.5rem;
  padding: 0.9rem 1.5rem;
  background: #FBE0E0;
  color: #9A2E2E;
  border: 1px solid #F0B8B8;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
}
@media (min-width: 944px) {
  .lib-error-banner { margin-left: auto; margin-right: auto; }
}

/* ---------------------------------------------------------------------
   Cards / steps
   --------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
}

.step-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.step-card-header h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 0.2rem;
  color: var(--color-ink);
}
.step-desc {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* The step-badge is the page's signature motif: it reads as a tiny
   pinback button (a round metal shell with a highlight, plus a small
   clasp nub) rather than a generic numbered circle — fitting, since the
   whole app exists to lay out exactly that physical object. */
.step-badge {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
  background: radial-gradient(circle at 32% 28%, #B98AE8, var(--color-primary) 55%, var(--color-primary-dark) 100%);
  box-shadow: var(--shadow-pop);
  opacity: 0.45;
}
.step-badge.active { opacity: 1; }
.step-badge::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 6px;
  border-radius: 0 0 3px 3px;
  background: var(--color-primary-dark);
}

/* ---------------------------------------------------------------------
   Step 1 — quantities
   --------------------------------------------------------------------- */
.quantity-rows {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

.quantity-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.qty-icon { flex-shrink: 0; }

.qty-info { flex: 1; min-width: 0; }
.qty-label { font-weight: 600; color: var(--color-ink); }
.qty-sub { font-size: 0.82rem; color: var(--color-muted); }

.qty-stepper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}
.qty-step-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent-light);
  color: var(--color-primary-dark);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.qty-step-btn:hover { background: var(--color-primary); color: #fff; }
.qty-input {
  width: 3.2rem;
  text-align: center;
  padding: 0.4rem 0.2rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  /* Hide the browser's own up/down spinner — the round plus/minus
     buttons next to this field are the only steppers we want shown. */
  -moz-appearance: textfield;
  appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.toggle-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin: 0.5rem 0 1.5rem;
  cursor: pointer;
}
.toggle-row input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-track {
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: var(--color-border);
  position: relative;
  flex-shrink: 0;
  margin-top: 0.15rem;
  transition: background 0.15s ease;
}
.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(46,31,71,0.3);
  transition: transform 0.15s ease;
}
.toggle-row input:checked + .toggle-track { background: var(--color-primary); }
.toggle-row input:checked + .toggle-track .toggle-thumb { transform: translateX(16px); }
.toggle-label { font-size: 0.9rem; color: var(--color-ink); }
.toggle-hint { display: block; font-size: 0.8rem; color: var(--color-muted); }

/* ---------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------- */
.btn-primary, .btn-secondary {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  padding: 0.7rem 1.5rem;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-pop);
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }
.btn-large { padding: 0.9rem 2rem; font-size: 1.05rem; }

.btn-secondary {
  background: var(--color-accent-light);
  color: var(--color-primary-dark);
}
.btn-secondary:hover { background: #c7aaef; }

.step-actions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

button:focus-visible, input:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   Step 2 — slots grid
   --------------------------------------------------------------------- */
.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.25rem;
}

.slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  transition: background 0.12s ease;
}
.slot:hover, .slot.drag-over { background: var(--color-bg); }

.slot-canvas-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slot-canvas-wrap canvas { display: block; }

.slot-upload-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  pointer-events: none;
}
.slot-upload-hint[hidden] { display: none; }

.slot-lowres-badge {
  position: absolute;
  bottom: -2px;
  right: -2px;
  background: var(--color-warn-bg);
  color: var(--color-warn);
  border: 1px solid #F0D9A8;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
}

.slot-label {
  font-size: 0.85rem;
  color: var(--color-ink);
  text-align: center;
}
.slot-number { color: var(--color-muted); }

/* ---------------------------------------------------------------------
   Step 3 — generate
   --------------------------------------------------------------------- */
.summary-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--color-ink);
}
.summary-pages { color: var(--color-primary-dark); margin-top: 0.4rem; }

.generate-warning {
  background: var(--color-warn-bg);
  color: var(--color-warn);
  border: 1px solid #F0D9A8;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}

.generate-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ---------------------------------------------------------------------
   Editor modal
   --------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(46, 31, 71, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}
/* The [hidden] attribute and the class above both set `display`, and
   they have equal CSS specificity — without this rule, the class's
   `display: flex` would always win and the modal would never hide. */
.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(46, 31, 71, 0.35);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}
.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0;
}
.icon-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-muted);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
}
.icon-btn:hover { color: var(--color-ink); }

.modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.stage-container {
  display: inline-block;
  border-radius: 12px;
  overflow: hidden;
  background:
    linear-gradient(45deg, #f0eaf9 25%, transparent 25%, transparent 75%, #f0eaf9 75%),
    linear-gradient(45deg, #f0eaf9 25%, #fff 25%, #fff 75%, #f0eaf9 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
}

.editor-controls {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}
.slider-row span:first-child { width: 4rem; flex-shrink: 0; }
.slider-row input[type="range"] { flex: 1; accent-color: var(--color-primary); }

.editor-duplicate {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-muted);
}
.editor-duplicate .qty-stepper { flex-shrink: 0; }
.editor-duplicate-label { line-height: 1.3; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

/* ---------------------------------------------------------------------
   Small screens
   --------------------------------------------------------------------- */
@media (max-width: 480px) {
  .card { padding: 1.25rem; }
  .quantity-row { flex-wrap: wrap; }
  .step-actions { flex-direction: column-reverse; }
  .step-actions .btn-primary, .step-actions .btn-secondary { width: 100%; }
}