/* ── QR Code Generator — dark theme matching ToolHive base ── */
.qrgen {
  --qr-primary: #00e5ff;
  --qr-primary-soft: rgba(0, 229, 255, 0.12);
  --qr-accent2: #7c3aed;
  --qr-surface: #0d1220;
  --qr-surface2: #101828;
  --qr-border: rgba(0, 229, 255, 0.12);
  --qr-border-strong: rgba(0, 229, 255, 0.3);
  --qr-text: #e8edf8;
  --qr-muted: #6b7a99;
  --card-radius: 14px;
  font-family: 'DM Sans', 'Outfit', sans-serif;
  color: var(--qr-text);
}

/* ── Hero ───────────────────────────────────────── */
.qrgen-hero { text-align: center; padding: 34px 20px 26px; }
.qrgen-hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 900; letter-spacing: -1px;
}
.qrgen-hero h1 .g {
  background: linear-gradient(135deg, var(--qr-primary) 0%, #a78bfa 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.qrgen-hero p { color: var(--qr-muted); font-size: 0.95rem; margin-top: 8px; }

/* ── Cards ──────────────────────────────────────── */
.qrgen .card {
  border: 1px solid var(--qr-border);
  border-radius: var(--card-radius);
  background: var(--qr-surface);
  color: var(--qr-text);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.qrgen .card-header {
  background: var(--qr-surface2);
  border-bottom: 1px solid var(--qr-border);
  border-radius: var(--card-radius) var(--card-radius) 0 0 !important;
  padding: 0.85rem 1.25rem;
  color: var(--qr-text);
}

/* ── Template Tabs ──────────────────────────────── */
.qrgen .nav-tabs { border-bottom: none; }
.qrgen .nav-tabs .tab-btn {
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  color: var(--qr-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 0.5rem;
  transition: all 0.2s;
  background: transparent;
}
.qrgen .nav-tabs .tab-btn:hover { color: var(--qr-primary); background: transparent; }
.qrgen .nav-tabs .tab-btn.active {
  color: var(--qr-primary);
  border-bottom-color: var(--qr-primary);
  background: transparent;
  font-weight: 600;
}

/* ── Data Preview ───────────────────────────────── */
.qrgen .data-preview {
  background: #0a0f1a;
  border: 1px solid var(--qr-border);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 0.78rem;
  color: var(--qr-muted);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 80px;
  overflow-y: auto;
  margin: 0;
}

/* ── Form Controls (dark overrides) ─────────────── */
.qrgen .form-control, .qrgen .form-select {
  border-radius: 8px;
  border: 1px solid var(--qr-border);
  background-color: #0a0f1a;
  color: var(--qr-text);
  font-size: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.qrgen .form-control::placeholder { color: #3d4a66; }
.qrgen .form-control:focus, .qrgen .form-select:focus {
  border-color: var(--qr-primary);
  box-shadow: 0 0 0 3px var(--qr-primary-soft);
  background-color: #0a0f1a;
  color: var(--qr-text);
}
.qrgen .form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236b7a99' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}
.qrgen .form-label { font-size: 0.85rem; color: var(--qr-text); margin-bottom: 0.3rem; }
.qrgen .text-muted { color: var(--qr-muted) !important; }
.qrgen .form-check-input { background-color: #0a0f1a; border-color: var(--qr-border-strong); }
.qrgen .form-check-input:checked { background-color: var(--qr-primary); border-color: var(--qr-primary); }
.qrgen .form-check-label { color: var(--qr-text); font-size: 0.85rem; }
.qrgen .form-range::-webkit-slider-thumb { background: var(--qr-primary); }
.qrgen .input-group .btn-outline-secondary {
  border-color: var(--qr-border); color: var(--qr-muted);
}
.qrgen .input-group .btn-outline-secondary:hover { color: var(--qr-primary); border-color: var(--qr-border-strong); background: transparent; }

/* ── Color Controls ─────────────────────────────── */
.qrgen .form-control-color {
  width: 48px !important;
  padding: 0.25rem;
  cursor: pointer;
  border-radius: 6px 0 0 6px !important;
}
.qrgen .badge-gradient-hint {
  font-size: 0.7rem;
  background: rgba(124, 58, 237, 0.18);
  color: #a78bfa;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-weight: 500;
}

/* ── Presets ────────────────────────────────────── */
.qrgen .preset-btn {
  width: 36px; height: 36px;
  border: 2px solid transparent;
  border-radius: 50%;
  background: none;
  padding: 0;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
  display: flex; align-items: center; justify-content: center;
}
.qrgen .preset-btn span { width: 28px; height: 28px; border-radius: 50%; display: block; }
.qrgen .preset-btn:hover { transform: scale(1.2); border-color: var(--qr-primary); }
.qrgen .preset-btn.active { border-color: var(--qr-primary); transform: scale(1.15); }

/* ── Logo Drop Zone ─────────────────────────────── */
.qrgen .logo-drop-zone {
  border: 2px dashed var(--qr-border-strong);
  border-radius: 10px;
  padding: 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  display: flex; flex-direction: column; align-items: center;
}
.qrgen .logo-drop-zone:hover, .qrgen .logo-drop-zone.drag-over {
  border-color: var(--qr-primary);
  background: var(--qr-primary-soft);
}
.qrgen .logo-preview-img {
  width: 52px; height: 52px;
  object-fit: contain;
  border: 1px solid var(--qr-border);
  border-radius: 8px;
  padding: 3px;
  background: #fff;
}

/* ── QR Output ──────────────────────────────────── */
.qrgen .qr-output-card { position: sticky; top: 80px; }
.qrgen .qr-canvas-wrap {
  min-height: 260px;
  display: flex; align-items: center; justify-content: center;
  background: #0a0f1a;
  border-radius: 10px;
  padding: 1rem;
  border: 1px solid var(--qr-border);
}
.qrgen .qr-placeholder { text-align: center; }
.qrgen .qr-result-img {
  max-width: 100%;
  max-height: 340px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* ── Buttons ────────────────────────────────────── */
.qrgen .generate-btn {
  background: linear-gradient(135deg, #06b6d4, var(--qr-accent2));
  border: none;
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(0, 229, 255, 0.25);
}
.qrgen .generate-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.35);
  background: linear-gradient(135deg, #0891b2, #6d28d9);
}
.qrgen .generate-btn:active { transform: translateY(0); }
.qrgen .btn-success {
  background: rgba(110, 231, 183, 0.12);
  border: 1px solid rgba(110, 231, 183, 0.4);
  color: #6ee7b7;
  border-radius: 10px;
  font-weight: 600;
}
.qrgen .btn-success:hover { background: rgba(110, 231, 183, 0.22); color: #a7f3d0; border-color: #6ee7b7; }
.qrgen .btn-outline-danger { border-radius: 8px; }

/* ── Info badges ────────────────────────────────── */
.qrgen .badge.bg-light {
  background: var(--qr-surface2) !important;
  color: var(--qr-muted) !important;
  border: 1px solid var(--qr-border) !important;
  font-weight: 500;
}

/* ── Tip Card ───────────────────────────────────── */
.qrgen .tip-card { border-left: 4px solid #f59e0b !important; }
.qrgen .tip-card ul li { margin-bottom: 0.3rem; }

/* ── Toast alerts (dark) ────────────────────────── */
.qrgen-toast .alert { border-radius: 10px; }

/* ── Animations ─────────────────────────────────── */
@keyframes qrFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
.qrgen .qr-result-img.loaded { animation: qrFadeIn 0.3s ease; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 991px) {
  .qrgen .qr-output-card { position: static; }
}