/* Generator Container */
.container {
  max-width: 1400px; margin: 0 auto; padding: 2rem;
  display: grid; grid-template-columns: 1fr 400px; gap: 2rem; align-items: start;
}
@media (max-width: 1024px) {
  .container { grid-template-columns: 1fr; }
}

/* Category Tabs */
.category-tabs {
  display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.5rem;
}
.category-tab {
  padding: .5rem 1rem; border: 1.5px solid var(--border); background: transparent;
  color: var(--text-secondary); font-size: .875rem; font-weight: 600;
  cursor: pointer; border-radius: .75rem; transition: all .2s;
}
.category-tab:hover { background: var(--surface-hover); color: var(--text); }
.category-tab.active {
  border-color: var(--accent); background: var(--accent); color: #fff;
}

/* Type Selector */
.type-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.type-card {
  padding: 1rem; background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 1rem; cursor: pointer; transition: all .2s;
  display: flex; flex-direction: column; gap: 6px;
}
.type-card:hover { border-color: var(--accent); background: var(--surface-hover); }
.type-card.active { border: 2px solid var(--accent); background: rgba(99,102,241,.1); }
.type-icon {
  width: 38px; height: 38px; margin-bottom: 2px;
  display: flex; align-items: center; justify-content: center;
  border-radius: .6rem; color: #fff; flex-shrink: 0; font-size: 1.25rem;
}
.type-name { font-weight: 600; font-size: .9rem; margin-bottom: 0; }
.type-desc { font-size: .75rem; color: var(--text-secondary); line-height: 1.4; }

/* Input Groups */
.input-group { margin-bottom: 1rem; }
.input-label { display: block; font-weight: 600; margin-bottom: .5rem; font-size: .875rem; }
.input-field {
  width: 100%; padding: .875rem 1rem; background: var(--bg);
  border: 2px solid var(--border); border-radius: .75rem;
  color: var(--text); font-size: 1rem; font-family: inherit; transition: all .2s;
}
.input-field:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.1);
}
textarea.input-field {
  resize: vertical; min-height: 80px;
  font-family: 'JetBrains Mono', monospace; font-size: .875rem;
}

/* Form Panels */
.form-panel { display: none; }
.form-panel.active { display: block; }

/* Color Controls */
.color-input-group {
  display: grid; grid-template-columns: 60px 1fr; gap: .75rem; align-items: center;
}
.color-picker-wrapper {
  width: 60px; height: 44px; border: 2px solid var(--border);
  border-radius: .5rem; overflow: hidden; cursor: pointer; transition: all .2s;
}
.color-picker-wrapper:hover { border-color: var(--accent); }
.color-picker-wrapper input[type="color"] {
  width: 100%; height: 100%; border: none; cursor: pointer;
}
.color-text-input {
  padding: .75rem; background: var(--bg); border: 2px solid var(--border);
  border-radius: .5rem; font-family: 'JetBrains Mono', monospace;
  font-size: .875rem; color: var(--text);
}

/* AI Style Presets */
.ai-styles-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: .75rem; margin-top: 1rem;
}
.ai-style-card {
  aspect-ratio: 1; border-radius: 1rem; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .5rem; transition: all .2s; position: relative;
  border: 2px solid transparent;
}
.ai-style-card:hover { transform: translateY(-2px); box-shadow: 0 8px 16px rgba(0,0,0,.2); }
.ai-style-card.active { border-color: #fff; }
.ai-style-icon {
  width: 32px; height: 32px; background: rgba(255,255,255,.2);
  border-radius: .5rem; display: flex; align-items: center; justify-content: center;
}
.ai-style-name { font-size: .75rem; font-weight: 600; color: #fff; }

/* QR Display */
.qr-display-card {
  position: sticky; top: 6rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 1.5rem; padding: 2rem;
}
.qr-preview {
  position: relative; margin-bottom: 2rem;
  display: flex; align-items: center; justify-content: center;
}
.qr-glow {
  position: absolute; width: 100%; height: 100%;
  background: var(--glow); border-radius: 1rem;
  filter: blur(40px); opacity: .3; pointer-events: none;
}
#qr-canvas-wrapper {
  position: relative; background: #fff;
  padding: 2rem; border-radius: 1rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
}
#qr-output { display: block; border-radius: .5rem; }

/* Download Buttons */
.download-buttons {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem;
}

.generating { opacity: .6; transition: opacity .3s; }