/* =========================================================
   Beast QR Generator — CSS
   Colours matched to BeastToolsHub.com
   ========================================================= */

:root {
  --bqr-bg:          #0f0f0f;
  --bqr-surface:     #1a1a1a;
  --bqr-surface2:    #242424;
  --bqr-border:      #2e2e2e;
  --bqr-accent:      #ff4d00;
  --bqr-accent-dark: #cc3d00;
  --bqr-accent-glow: rgba(255,77,0,.18);
  --bqr-text:        #f0f0f0;
  --bqr-muted:       #888;
  --bqr-radius:      10px;
  --bqr-radius-sm:   6px;
  --bqr-transition:  0.2s ease;
}

/* ── Wrap ─────────────────────────────────────────────────── */
.bqr-wrap {
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--bqr-text);
  background: var(--bqr-bg);
  border-radius: var(--bqr-radius);
  padding: 0;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--bqr-border);
}

/* ── Tabs ─────────────────────────────────────────────────── */
.bqr-tabs {
  display: flex;
  background: var(--bqr-surface);
  border-bottom: 1px solid var(--bqr-border);
}

.bqr-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--bqr-muted);
  padding: 14px 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--bqr-transition), box-shadow var(--bqr-transition);
  letter-spacing: 0.02em;
}
.bqr-tab:hover  { color: var(--bqr-text); }
.bqr-tab.active {
  color: var(--bqr-accent);
  box-shadow: inset 0 -3px 0 var(--bqr-accent);
}

/* ── Panels ───────────────────────────────────────────────── */
.bqr-panel {
  display: none;
  padding: 28px 24px;
}
.bqr-panel.active { display: block; }

/* ── Grid ─────────────────────────────────────────────────── */
.bqr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 720px) {
  .bqr-grid { grid-template-columns: 1fr; }
}

.bqr-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.bqr-col { flex: 1; min-width: 140px; }

/* ── Fields ───────────────────────────────────────────────── */
.bqr-field { margin-bottom: 18px; }
.bqr-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bqr-muted);
  margin-bottom: 7px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.bqr-input {
  width: 100%;
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  color: var(--bqr-text);
  padding: 11px 13px;
  font-size: 0.92rem;
  outline: none;
  box-sizing: border-box;
  transition: border-color var(--bqr-transition);
}
.bqr-input:focus {
  border-color: var(--bqr-accent);
  box-shadow: 0 0 0 3px var(--bqr-accent-glow);
}
.bqr-textarea { resize: vertical; }

select.bqr-input { cursor: pointer; }

.bqr-hint {
  font-size: 0.78rem;
  color: var(--bqr-muted);
  margin: 5px 0 0;
  line-height: 1.4;
}

/* ── Type Buttons ─────────────────────────────────────────── */
.bqr-type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
@media (max-width: 480px) {
  .bqr-type-grid { grid-template-columns: repeat(2, 1fr); }
}
.bqr-type-btn {
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  color: var(--bqr-text);
  padding: 9px 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--bqr-transition);
  text-align: center;
}
.bqr-type-btn:hover { border-color: var(--bqr-accent); color: var(--bqr-accent); }
.bqr-type-btn.active {
  background: var(--bqr-accent);
  border-color: var(--bqr-accent);
  color: #fff;
}

/* ── Social Grid ──────────────────────────────────────────── */
.bqr-social-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.bqr-social-btn {
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-radius: 20px;
  color: var(--bqr-text);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--bqr-transition);
}
.bqr-social-btn:hover { border-color: var(--bqr-accent); }
.bqr-social-btn.active { background: var(--bqr-accent); border-color: var(--bqr-accent); color: #fff; }

/* ── Customise Section ────────────────────────────────────── */
.bqr-customise { margin: 8px 0 18px; }

.bqr-section-toggle {
  width: 100%;
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  color: var(--bqr-text);
  padding: 11px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color var(--bqr-transition);
}
.bqr-section-toggle:hover { border-color: var(--bqr-accent); }
.bqr-section-toggle[aria-expanded="true"] { border-color: var(--bqr-accent); color: var(--bqr-accent); }
.bqr-arrow { font-size: 0.75rem; transition: transform var(--bqr-transition); }
.bqr-section-toggle[aria-expanded="true"] .bqr-arrow { transform: rotate(180deg); }

.bqr-custom-panel {
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-top: none;
  border-radius: 0 0 var(--bqr-radius-sm) var(--bqr-radius-sm);
  padding: 18px;
}

/* ── Colour Picker Row ────────────────────────────────────── */
.bqr-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.bqr-color-picker {
  width: 42px;
  height: 42px;
  border: 2px solid var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  background: transparent;
  cursor: pointer;
  padding: 2px;
  flex-shrink: 0;
}
.bqr-color-text { flex: 1; }

/* ── Range Slider ─────────────────────────────────────────── */
.bqr-range {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bqr-border);
  outline: none;
  cursor: pointer;
}
.bqr-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bqr-accent);
  cursor: pointer;
  border: 2px solid #fff;
}

/* ── Toggle Switch ────────────────────────────────────────── */
.bqr-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.bqr-toggle input { opacity: 0; width: 0; height: 0; }
.bqr-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--bqr-border);
  border-radius: 24px;
  transition: var(--bqr-transition);
}
.bqr-toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--bqr-transition);
}
.bqr-toggle input:checked + .bqr-toggle-slider { background: var(--bqr-accent); }
.bqr-toggle input:checked + .bqr-toggle-slider::before { transform: translateX(20px); }

/* ── Buttons ──────────────────────────────────────────────── */
.bqr-btn-primary {
  width: 100%;
  background: var(--bqr-accent);
  border: none;
  border-radius: var(--bqr-radius-sm);
  color: #fff;
  padding: 13px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--bqr-transition), transform 0.1s;
  margin-top: 4px;
}
.bqr-btn-primary:hover  { background: var(--bqr-accent-dark); }
.bqr-btn-primary:active { transform: scale(0.98); }

.bqr-btn-outline {
  background: transparent;
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  color: var(--bqr-muted);
  padding: 9px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--bqr-transition);
}
.bqr-btn-outline:hover { border-color: var(--bqr-accent); color: var(--bqr-accent); }

.bqr-notice {
  font-size: 0.85rem;
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--bqr-radius-sm);
  color: #ff8080;
  background: rgba(255,80,80,.1);
  border: 1px solid rgba(255,80,80,.3);
}

/* ── Preview Card ─────────────────────────────────────────── */
.bqr-preview-col { display: flex; align-items: flex-start; justify-content: center; }
.bqr-preview-card {
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius);
  padding: 24px;
  width: 100%;
  text-align: center;
  position: sticky;
  top: 20px;
}

.bqr-preview-placeholder {
  padding: 50px 20px;
  color: var(--bqr-muted);
}
.bqr-placeholder-icon { font-size: 3rem; display: block; margin-bottom: 12px; opacity: .3; }

.bqr-qr-canvas-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}
.bqr-qr-canvas-wrap canvas { display: block; border-radius: 6px; }

.bqr-logo-overlay {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 22%;
  height: 22%;
  background: #fff;
  border-radius: 6px;
  padding: 3px;
  display: flex; align-items: center; justify-content: center;
}
.bqr-logo-overlay img { max-width: 100%; max-height: 100%; object-fit: contain; }

.bqr-permanent-badge {
  display: inline-block;
  background: rgba(255,77,0,.12);
  border: 1px solid rgba(255,77,0,.3);
  color: var(--bqr-accent);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.bqr-qr-content-label {
  font-size: 0.8rem;
  color: var(--bqr-muted);
  word-break: break-all;
  margin: 0 0 16px;
}

.bqr-download-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.bqr-btn-download {
  background: var(--bqr-surface);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  color: var(--bqr-text);
  padding: 9px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--bqr-transition);
}
.bqr-btn-download:hover { border-color: var(--bqr-accent); color: var(--bqr-accent); }
.bqr-btn-copy {
  background: transparent;
  border: 1px dashed var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  color: var(--bqr-muted);
  padding: 9px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--bqr-transition);
}
.bqr-btn-copy:hover { border-color: var(--bqr-accent); color: var(--bqr-accent); }

/* ── Bulk tab ─────────────────────────────────────────────── */
.bqr-desc { color: var(--bqr-muted); font-size: 0.88rem; margin: 0 0 20px; line-height: 1.5; }
.bqr-bulk-options { margin-bottom: 16px; }
.bqr-bulk-input { margin-bottom: 12px; }

.bqr-bulk-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.bqr-bulk-item {
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius);
  padding: 16px;
  text-align: center;
}
.bqr-bulk-item canvas { max-width: 100%; }
.bqr-bulk-label {
  font-size: 0.75rem;
  color: var(--bqr-muted);
  word-break: break-all;
  margin: 10px 0 8px;
}
.bqr-bulk-dl {
  display: flex;
  gap: 6px;
  justify-content: center;
}
.bqr-bulk-dl button {
  flex: 1;
  background: var(--bqr-surface);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius-sm);
  color: var(--bqr-text);
  padding: 6px 4px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--bqr-transition);
}
.bqr-bulk-dl button:hover { border-color: var(--bqr-accent); color: var(--bqr-accent); }

/* ── History tab ──────────────────────────────────────────── */
.bqr-history-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.bqr-history-item {
  background: var(--bqr-surface2);
  border: 1px solid var(--bqr-border);
  border-radius: var(--bqr-radius);
  padding: 16px;
  text-align: center;
}
.bqr-history-meta {
  font-size: 0.72rem;
  color: var(--bqr-muted);
  margin-top: 8px;
}
.bqr-empty-msg { color: var(--bqr-muted); font-size: 0.9rem; }

/* ── Hidden ───────────────────────────────────────────────── */
.bqr-hidden { display: none; }

/* ── Loading spinner ──────────────────────────────────────── */
.bqr-spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 3px solid rgba(255,255,255,.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: bqr-spin .7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes bqr-spin { to { transform: rotate(360deg); } }