/**
 * GrQR - standalone QR generator component
 * Prefix: .gr-qr / .gr-qr__*
 * Theme via CSS variables --gr-qr-*
 * Optional dark theme: add class .gr-qr--dark on the root element
 */

/* -------------------------------------------------------------------------- */
/* Variables (neutral defaults - override freely)                             */
/* -------------------------------------------------------------------------- */
.gr-qr {
  --gr-qr-bg: #ffffff;
  --gr-qr-surface: #f7f7f8;
  --gr-qr-border: #e2e2e6;
  --gr-qr-border-strong: #c5c5ce;
  --gr-qr-text: #1a1a1e;
  --gr-qr-muted: #5c5c66;
  --gr-qr-primary: #2563eb;
  --gr-qr-primary-hover: #1d4ed8;
  --gr-qr-primary-text: #ffffff;
  --gr-qr-primary-soft: #eff6ff;
  --gr-qr-danger: #b91c1c;
  --gr-qr-danger-bg: #fef2f2;
  --gr-qr-focus: #2563eb;
  --gr-qr-radius: 8px;
  --gr-qr-radius-sm: 6px;
  --gr-qr-gap: 1rem;
  --gr-qr-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --gr-qr-font-size: 0.9375rem;
  --gr-qr-line: 1.5;
  --gr-qr-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  --gr-qr-max-width: 72rem;
  --gr-qr-checker: #eeeeee;

  box-sizing: border-box;
  color: var(--gr-qr-text);
  font-family: var(--gr-qr-font);
  font-size: var(--gr-qr-font-size);
  line-height: var(--gr-qr-line);
  max-width: var(--gr-qr-max-width);
  margin: 0 auto;
  background: transparent;
  padding: 0;
}

/* Optional dark variant (no host-site coupling) */
.gr-qr.gr-qr--dark {
  --gr-qr-bg: #0a0c0d;
  --gr-qr-surface: #16181f;
  --gr-qr-border: rgba(232, 230, 225, 0.12);
  --gr-qr-border-strong: rgba(232, 230, 225, 0.2);
  --gr-qr-text: #f8f7f4;
  --gr-qr-muted: #8b8a95;
  --gr-qr-primary: #ff9e00;
  --gr-qr-primary-hover: #e08a00;
  --gr-qr-primary-text: #0a0c0d;
  --gr-qr-primary-soft: rgba(255, 158, 0, 0.14);
  --gr-qr-danger: #c23b22;
  --gr-qr-danger-bg: rgba(194, 59, 34, 0.15);
  --gr-qr-focus: #ff9e00;
  --gr-qr-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --gr-qr-checker: rgba(232, 230, 225, 0.08);
}

.gr-qr *,
.gr-qr *::before,
.gr-qr *::after {
  box-sizing: border-box;
}

/* -------------------------------------------------------------------------- */
/* Layout                                                                     */
/* -------------------------------------------------------------------------- */
.gr-qr__title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gr-qr-text);
}

.gr-qr__subtitle {
  margin: 0 0 1.5rem;
  color: var(--gr-qr-muted);
  font-size: 0.975rem;
  line-height: 1.55;
  max-width: 40rem;
}

.gr-qr__layout {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .gr-qr__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.gr-qr__panel {
  background: var(--gr-qr-surface);
  border: 1px solid var(--gr-qr-border);
  border-radius: var(--gr-qr-radius);
  padding: 1.15rem 1.1rem;
  box-shadow: var(--gr-qr-shadow);
}

.gr-qr__panel-title {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gr-qr-primary);
}

/* -------------------------------------------------------------------------- */
/* Form controls                                                              */
/* -------------------------------------------------------------------------- */
.gr-qr__field {
  margin-bottom: 0.85rem;
}

.gr-qr__field:last-child {
  margin-bottom: 0;
}

.gr-qr__label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.gr-qr__label-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
}

.gr-qr__label-row .gr-qr__label {
  margin-bottom: 0;
}

.gr-qr__hint {
  display: block;
  margin-top: 0.3rem;
  color: var(--gr-qr-muted);
  font-size: 0.8rem;
}

.gr-qr__hint--block {
  margin: 0 0 0.85rem;
  padding: 0.65rem 0.75rem;
  background: var(--gr-qr-bg);
  border: 1px solid var(--gr-qr-border);
  border-radius: var(--gr-qr-radius-sm);
  line-height: 1.45;
}

/* Infobulles d’aide (Wi‑Fi, etc.) */
.gr-qr__tip-btn {
  appearance: none;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  margin: 0;
  padding: 0;
  border: 1px solid var(--gr-qr-border);
  border-radius: 50%;
  background: var(--gr-qr-bg);
  color: var(--gr-qr-muted);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.gr-qr__tip-btn:hover {
  border-color: var(--gr-qr-primary);
  color: var(--gr-qr-primary);
  background: var(--gr-qr-primary-soft);
}

.gr-qr__tip-btn:focus-visible {
  outline: 2px solid var(--gr-qr-focus);
  outline-offset: 2px;
}

.gr-qr__tip-btn[aria-expanded="true"] {
  border-color: var(--gr-qr-primary);
  background: var(--gr-qr-primary);
  color: var(--gr-qr-primary-text);
}

.gr-qr__tip-bubble {
  position: relative;
  z-index: 2;
  margin: 0 0 0.5rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(255, 158, 0, 0.35);
  border-radius: var(--gr-qr-radius-sm);
  background: var(--gr-qr-primary-soft);
  color: var(--gr-qr-text);
  font-size: 0.8125rem;
  line-height: 1.45;
  box-shadow: var(--gr-qr-shadow);
  pointer-events: auto;
}

.gr-qr__tip-bubble[hidden] {
  display: none !important;
}

.gr-qr__tip-bubble::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0.85rem;
  width: 10px;
  height: 10px;
  background: var(--gr-qr-primary-soft);
  border-left: 1px solid rgba(255, 158, 0, 0.35);
  border-top: 1px solid rgba(255, 158, 0, 0.35);
  transform: rotate(45deg);
}

.gr-qr__checkbox-row .gr-qr__tip-btn {
  margin-left: 0.15rem;
  margin-top: 0.05rem;
}

/* Erreur sous le champ concerné */
.gr-qr__field-error {
  display: block;
  margin: 0.35rem 0 0;
  padding: 0;
  color: var(--gr-qr-danger);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
}

.gr-qr__field-error[hidden] {
  display: none !important;
}

.gr-qr__hint[hidden] {
  display: none !important;
}

.gr-qr__input,
.gr-qr__select,
.gr-qr__textarea {
  display: block;
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--gr-qr-border);
  border-radius: var(--gr-qr-radius-sm);
  background: var(--gr-qr-bg);
  color: var(--gr-qr-text);
  font: inherit;
  line-height: 1.4;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.gr-qr__textarea {
  min-height: 5.5rem;
  resize: vertical;
}

.gr-qr__input:hover,
.gr-qr__select:hover,
.gr-qr__textarea:hover {
  border-color: var(--gr-qr-border-strong);
}

.gr-qr__input:focus,
.gr-qr__select:focus,
.gr-qr__textarea:focus,
.gr-qr__btn:focus-visible,
.gr-qr__tab:focus-visible,
.gr-qr__color:focus-visible,
.gr-qr__file:focus-visible,
.gr-qr__range:focus-visible {
  outline: 2px solid var(--gr-qr-focus);
  outline-offset: 2px;
}

.gr-qr__input[aria-invalid="true"],
.gr-qr__textarea[aria-invalid="true"],
.gr-qr__select[aria-invalid="true"] {
  border-color: var(--gr-qr-danger);
}

.gr-qr__row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .gr-qr__row {
    grid-template-columns: 1fr 1fr;
  }
}

.gr-qr__row--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .gr-qr__row--3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* Content type tabs */
.gr-qr__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.gr-qr__tab {
  appearance: none;
  border: 1px solid var(--gr-qr-border);
  background: var(--gr-qr-bg);
  color: var(--gr-qr-text);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.gr-qr__tab:hover {
  border-color: var(--gr-qr-primary);
  background: var(--gr-qr-primary-soft);
  color: var(--gr-qr-text);
}

.gr-qr__tab[aria-selected="true"] {
  background: var(--gr-qr-primary);
  border-color: var(--gr-qr-primary);
  color: var(--gr-qr-primary-text);
}

.gr-qr__type-panel[hidden] {
  display: none !important;
}

/* Color + range */
.gr-qr__color-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.gr-qr__color {
  width: 2.5rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--gr-qr-border);
  border-radius: var(--gr-qr-radius-sm);
  background: transparent;
  cursor: pointer;
}

.gr-qr__color-text {
  flex: 1;
  min-width: 0;
}

.gr-qr__range {
  width: 100%;
  accent-color: var(--gr-qr-primary);
}

.gr-qr__range-value {
  font-variant-numeric: tabular-nums;
  color: var(--gr-qr-muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.gr-qr__range-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.gr-qr__file {
  display: block;
  width: 100%;
  font: inherit;
  font-size: 0.85rem;
}

.gr-qr__checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.gr-qr__checkbox {
  margin-top: 0.2rem;
  accent-color: var(--gr-qr-primary);
  width: 1rem;
  height: 1rem;
}

.gr-qr__checkbox-label {
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

/* -------------------------------------------------------------------------- */
/* Preview                                                                    */
/* -------------------------------------------------------------------------- */
.gr-qr__preview-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.gr-qr__canvas-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 14rem;
  padding: 1rem;
  background:
    linear-gradient(45deg, var(--gr-qr-checker) 25%, transparent 25%),
    linear-gradient(-45deg, var(--gr-qr-checker) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--gr-qr-checker) 75%),
    linear-gradient(-45deg, transparent 75%, var(--gr-qr-checker) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-color: var(--gr-qr-bg);
  border: 1px solid var(--gr-qr-border);
  border-radius: var(--gr-qr-radius);
  overflow: auto;
}

/* Toujours carré : max-width + height:auto évite l’étirement vertical */
.gr-qr__canvas {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  flex-shrink: 0;
}

/* Aperçu miniature du logo choisi */
.gr-qr__logo-preview {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.65rem;
  padding: 0.5rem;
  border: 1px solid var(--gr-qr-border);
  border-radius: var(--gr-qr-radius-sm);
  background: var(--gr-qr-bg);
}

.gr-qr__logo-preview[hidden] {
  display: none !important;
}

.gr-qr__logo-thumb-wrap {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gr-qr-border);
  border-radius: var(--gr-qr-radius-sm);
  background:
    linear-gradient(45deg, var(--gr-qr-checker) 25%, transparent 25%),
    linear-gradient(-45deg, var(--gr-qr-checker) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--gr-qr-checker) 75%),
    linear-gradient(-45deg, transparent 75%, var(--gr-qr-checker) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
  background-color: var(--gr-qr-bg);
  overflow: hidden;
}

.gr-qr__logo-thumb {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.gr-qr__logo-meta {
  min-width: 0;
  font-size: 0.8rem;
  color: var(--gr-qr-muted);
  line-height: 1.35;
}

.gr-qr__logo-meta strong {
  display: block;
  color: var(--gr-qr-text);
  font-weight: 600;
  margin-bottom: 0.15rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gr-qr__placeholder {
  text-align: center;
  color: var(--gr-qr-muted);
  font-size: 0.9rem;
  padding: 1rem;
  max-width: 16rem;
}

.gr-qr__placeholder[hidden],
.gr-qr__canvas[hidden] {
  display: none !important;
}

/* -------------------------------------------------------------------------- */
/* Actions                                                                    */
/* -------------------------------------------------------------------------- */
.gr-qr__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  width: 100%;
  justify-content: center;
}

.gr-qr__btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--gr-qr-radius-sm);
  border: 1px solid var(--gr-qr-border);
  background: var(--gr-qr-bg);
  color: var(--gr-qr-text);
  font: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.gr-qr__btn:hover:not(:disabled) {
  border-color: var(--gr-qr-primary);
  background: var(--gr-qr-primary-soft);
}

.gr-qr__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.gr-qr__btn--primary {
  background: var(--gr-qr-primary);
  border-color: var(--gr-qr-primary);
  color: var(--gr-qr-primary-text);
}

.gr-qr__btn--primary:hover:not(:disabled) {
  background: var(--gr-qr-primary-hover);
  border-color: var(--gr-qr-primary-hover);
  color: var(--gr-qr-primary-text);
}

.gr-qr__btn--ghost {
  background: transparent;
}

/* -------------------------------------------------------------------------- */
/* Feedback                                                                   */
/* -------------------------------------------------------------------------- */
/* Avertissement sécurité (URL / Wi‑Fi) sous l’aperçu */
.gr-qr__security-notice {
  width: 100%;
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-radius: var(--gr-qr-radius-sm);
  border: 1px solid rgba(255, 158, 0, 0.4);
  background: var(--gr-qr-primary-soft);
  color: var(--gr-qr-text);
  font-size: 0.8125rem;
  line-height: 1.45;
  text-align: left;
  word-break: break-word;
}

.gr-qr__security-notice[hidden] {
  display: none !important;
}

.gr-qr__status {
  margin-top: 0.75rem;
  min-height: 1.25rem;
  font-size: 0.85rem;
  text-align: center;
}

.gr-qr__status--ok {
  color: #3cb371;
}

.gr-qr__status--error {
  color: var(--gr-qr-danger);
}

.gr-qr__alert {
  margin: 0 0 0.85rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--gr-qr-radius-sm);
  background: var(--gr-qr-danger-bg);
  color: var(--gr-qr-danger);
  border: 1px solid rgba(194, 59, 34, 0.35);
  font-size: 0.875rem;
}

.gr-qr__alert[hidden] {
  display: none !important;
}

/* Sections simples (toujours ouvertes, pas d’accordéon) */
.gr-qr__section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gr-qr-border);
}

.gr-qr__section-title {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gr-qr-muted);
}

/* Visually hidden (a11y) */
.gr-qr__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .gr-qr *,
  .gr-qr *::before,
  .gr-qr *::after {
    transition: none !important;
  }
}