/* ============================================================
   NOVAUTILS — tools/qr-code-generator/qr-code-generator.css
   ============================================================ */

/* ── Layout ── */
.qr-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  align-items: start;
}
.qr-main { display: flex; flex-direction: column; gap: 16px; }

/* ── Card ── */
.qr-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.qr-card-label {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 12px;
}

/* ── Textarea ── */
.qr-textarea {
  width: 100%; resize: vertical; min-height: 100px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 12px 14px;
  line-height: 1.6;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.qr-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-dim);
}
.qr-textarea::placeholder { color: var(--text-dimmer); }
.qr-char-count {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dimmer);
  margin-top: 6px;
}

/* ── Presets ── */
.qr-presets { display: flex; gap: 8px; flex-wrap: wrap; }
.qr-preset-btn {
  padding: 7px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: var(--font-head);
  font-size: 0.78rem; font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.qr-preset-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-dim);
}

/* ── Options grid ── */
.qr-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.qr-option { display: flex; flex-direction: column; gap: 8px; }
.qr-opt-label {
  font-size: 0.72rem; font-weight: 700;
  color: var(--text-dim); letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Size / ECC button groups */
.qr-size-group { display: flex; gap: 5px; flex-wrap: wrap; }
.qr-size-btn {
  padding: 6px 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem; font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.qr-size-btn:hover { border-color: var(--border2); color: var(--text); }
.qr-size-btn.active {
  background: var(--blue-dim);
  border-color: var(--blue);
  color: var(--blue);
}

/* Color inputs */
.qr-color-row { display: flex; align-items: center; gap: 10px; }
.qr-color-input {
  width: 40px; height: 36px;
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  padding: 2px;
}
.qr-color-input::-webkit-color-swatch-wrapper { padding: 0; border-radius: 6px; }
.qr-color-input::-webkit-color-swatch { border: none; border-radius: 5px; }
.qr-color-val {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Toggle */
.qr-toggle-wrap {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; user-select: none;
}
.qr-toggle-wrap input { display: none; }
.qr-toggle {
  width: 38px; height: 20px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 100px;
  position: relative;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.qr-toggle::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--text-dimmer);
  transition: transform 0.2s, background 0.2s;
}
.qr-toggle-wrap input:checked + .qr-toggle {
  background: var(--blue-dim);
  border-color: var(--blue);
}
.qr-toggle-wrap input:checked + .qr-toggle::after {
  transform: translateX(18px);
  background: var(--blue);
}
.qr-toggle-label { font-size: 0.8rem; color: var(--text-dim); }



/* ── Sidebar ── */
.qr-sidebar { display: flex; flex-direction: column; gap: 16px; }

/* Preview card */
.qr-preview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.qr-preview-label {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 14px;
}
.qr-preview-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 200px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 10px;
  overflow: hidden;
}
.qr-placeholder {
  display: flex; flex-direction: column;
  align-items: center; gap: 12px;
  color: var(--text-dimmer);
  font-size: 0.78rem; text-align: center;
}
.qr-placeholder svg { opacity: 0.3; }
.qr-canvas {
  max-width: 100%; height: auto;
  border-radius: 4px;
}
.qr-preview-meta {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem; color: var(--text-dimmer);
}

/* Download card */
.qr-download-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.qr-download-btns { display: flex; flex-direction: column; gap: 8px; }
.qr-dl-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 16px;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  font-family: var(--font-head);
  font-size: 0.85rem; font-weight: 700;
  transition: opacity 0.2s, transform 0.2s;
}
.qr-dl-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.qr-dl-png {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  box-shadow: 0 2px 12px rgba(79,140,255,0.3);
}
.qr-dl-svg {
  background: var(--surface2);
  border: 1px solid var(--border2) !important;
  color: var(--text-dim);
}
.qr-dl-svg:hover { color: var(--text); border-color: var(--border2); }

/* History */
.qr-history-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.qr-history-hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.qr-history-list { display: flex; flex-direction: column; max-height: 200px; overflow-y: auto; }
.qr-hist-row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  cursor: pointer; transition: background 0.15s;
}
.qr-hist-row:last-child { border-bottom: none; }
.qr-hist-row:hover { background: rgba(255,255,255,0.03); }
.qr-hist-text {
  flex: 1; font-family: var(--font-mono);
  font-size: 0.75rem; color: var(--text-dim);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.qr-hist-time { font-size: 0.68rem; color: var(--text-dimmer); font-family: var(--font-mono); }

/* ── Responsive ── */
@media (max-width: 820px) {
  .qr-layout { grid-template-columns: 1fr; }
  .qr-sidebar { order: -1; }
}
@media (max-width: 540px) {
  .qr-options-grid { grid-template-columns: 1fr; }
}