/* GSTBox QR Code Generator — scoped styles.
   Everything lives under .qr-card so it never bleeds into other tools. */

.qr-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  max-width: 940px;
  margin: 0 auto;
}
.qr-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--primary);
}

/* ===== Tabs ===== */
.qr-card .tabs {
  display: flex;
  margin: 0;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.qr-card .tabs::-webkit-scrollbar { display: none; }
.qr-card .tab {
  flex: 1;
  min-width: 96px;
  padding: 14px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  font-weight: 600;
}
.qr-card .tab svg { width: 16px; height: 16px; flex: none; }
.qr-card .tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===== Body: form | preview ===== */
.qr-card .qr-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 0;
}
.qr-card .qr-form {
  padding: var(--space-5);
  border-right: 1px solid var(--border);
  min-width: 0;
}
.qr-card .qr-side {
  padding: var(--space-5);
  background: var(--surface-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ===== Panels ===== */
.qr-card .panel { display: none; }
.qr-card .panel.is-active { display: block; }
.qr-card .panel__intro {
  margin: 0 0 var(--space-4);
  color: var(--text-dim);
  font-size: 14px;
}

/* ===== Fields ===== */
.qr-card .field { margin-bottom: var(--space-4); }
.qr-card .field:last-child { margin-bottom: 0; }
.qr-card .field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.qr-card label.field__label,
.qr-card .field__label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.qr-card .qr-input,
.qr-card .qr-textarea,
.qr-card .qr-select {
  width: 100%;
  padding: 11px var(--space-4);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.qr-card .qr-textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
.qr-card .qr-select { cursor: pointer; }
.qr-card .qr-input:hover,
.qr-card .qr-textarea:hover,
.qr-card .qr-select:hover { border-color: var(--border-strong); }
.qr-card .qr-input:focus,
.qr-card .qr-textarea:focus,
.qr-card .qr-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.qr-card .field__hint { margin: 6px 0 0; font-size: 12px; color: var(--text-mute); }

.qr-card .phone-group { display: flex; gap: var(--space-2); }
.qr-card .phone-group .cc { width: 92px; flex: none; }

/* ===== Toggle (reused pattern) ===== */
.qr-card .toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 11px var(--space-4);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  user-select: none;
  position: relative;
}
.qr-card .toggle:hover { border-color: var(--border-strong); }
.qr-card .toggle:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.qr-card .toggle input { position: absolute; opacity: 0; pointer-events: none; }
.qr-card .toggle__box {
  width: 18px; height: 18px;
  border-radius: 4px;
  border: 2px solid var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
  transition: all 0.15s ease;
  background: var(--surface);
}
.qr-card .toggle__box svg { width: 12px; height: 12px; opacity: 0; color: #fff; transition: opacity 0.15s ease; }
.qr-card .toggle input:checked ~ .toggle__box { background: var(--primary); border-color: var(--primary); }
.qr-card .toggle input:checked ~ .toggle__box svg { opacity: 1; }
.qr-card .toggle input:focus-visible ~ .toggle__box { box-shadow: 0 0 0 3px var(--primary-soft); }

/* ===== Preview ===== */
.qr-card .qr-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  position: relative;
}
.qr-card .qr-preview canvas {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  border-radius: 4px;
}
.qr-card .qr-preview.is-empty::after {
  content: 'Your QR code appears here';
  position: absolute;
  color: var(--text-mute);
  font-size: 13px;
  font-weight: 500;
}
.qr-card .qr-preview.is-empty canvas { display: none; }
.qr-card .qr-meta {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: 0.02em;
  min-height: 15px;
}

/* ===== Options ===== */
.qr-card .opt-group { display: flex; flex-direction: column; gap: var(--space-3); }
.qr-card .opt-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.qr-card .swatches { display: flex; gap: 6px; }
.qr-card .swatch {
  width: 26px; height: 26px;
  border-radius: 7px;
  border: 2px solid var(--border);
  cursor: pointer;
  padding: 0;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.qr-card .swatch:hover { transform: scale(1.08); }
.qr-card .swatch.is-active { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-soft); }
.qr-card .color-field {
  width: 34px; height: 30px;
  padding: 2px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
}
.qr-card .color-field::-webkit-color-swatch-wrapper { padding: 0; }
.qr-card .color-field::-webkit-color-swatch { border: none; border-radius: 5px; }

.qr-card .seg {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 3px;
  gap: 2px;
}
.qr-card .seg button {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
}
.qr-card .seg button[aria-pressed="true"] {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.qr-card .seg button:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }

.qr-card .slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  outline: none;
}
.qr-card .slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); cursor: pointer;
  border: 3px solid var(--surface); box-shadow: var(--shadow-sm);
}
.qr-card .slider::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); cursor: pointer;
  border: 3px solid var(--surface); box-shadow: var(--shadow-sm);
}

/* ===== Download buttons ===== */
.qr-card .qr-actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.qr-card .qr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px var(--space-4);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.qr-card .qr-btn svg { width: 17px; height: 17px; }
.qr-card .qr-btn:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.qr-card .qr-btn:active:not(:disabled) { transform: translateY(1px); }
.qr-card .qr-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.qr-card .qr-btn--primary {
  grid-column: 1 / -1;
  background: var(--primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-cta);
}
.qr-card .qr-btn--primary:hover:not(:disabled) { background: var(--primary-deep); color: #fff; }
.qr-card .qr-btn.is-done { background: var(--success); color: #fff; border-color: transparent; }

.qr-card .logo-drop {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-4);
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  transition: all 0.15s ease;
}
.qr-card .logo-drop:hover { border-color: var(--primary); color: var(--primary); }
.qr-card .logo-drop svg { width: 18px; height: 18px; flex: none; }
.qr-card .logo-thumb { width: 26px; height: 26px; border-radius: 6px; object-fit: contain; background: #fff; border: 1px solid var(--border); }
.qr-card .logo-clear {
  margin-left: auto;
  border: none; background: none; cursor: pointer;
  color: var(--text-mute); font-size: 12px; font-weight: 700; padding: 4px;
}
.qr-card .logo-clear:hover { color: var(--danger); }

.qr-card .err {
  margin: var(--space-3) 0 0;
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
  min-height: 16px;
}

/* ===== Share row (invite / growth) ===== */
.qr-share { text-align: center; }
.qr-share__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.qr-share__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px var(--space-5);
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}
.qr-share__btn svg { width: 18px; height: 18px; flex: none; }
.qr-share__btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
.qr-share__btn--wa {
  background: #25D366;
  border-color: #25D366;
  color: #fff;
}
.qr-share__btn--wa:hover { background: #1EBE5A; border-color: #1EBE5A; color: #fff; }
.qr-share__btn.is-done { background: var(--success); border-color: transparent; color: #fff; }

@media (max-width: 780px) {
  .qr-card .qr-body { grid-template-columns: 1fr; }
  .qr-card .qr-form { border-right: none; border-bottom: 1px solid var(--border); order: 2; }
  .qr-card .qr-side { order: 1; }
  .qr-card .qr-preview { max-width: 300px; margin: 0 auto; width: 100%; }
  .qr-card .tab { font-size: 13px; padding: 12px 8px; min-width: 84px; }
}