/* ============================================================= */
/* TOOL-ONLY CSS – Amazon Listing Optimizer                      */
/* Only loads on the tool page – does NOT affect rest of site    */
/* Based on your original glass design – now clean & modular     */
/* ============================================================= */

.tool-optimizer {
  font-family: 'Inter', sans-serif;
  padding: 2rem 0;
}

.tool-optimizer .glass-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 2px solid rgba(28, 28, 28, 0.1);
  border-radius: 32px;
  padding: 3rem;
  box-shadow: 0 20px 40px rgba(28, 28, 28, 0.12);
  margin-bottom: 2rem;
  transition: all 0.4s ease;
}

.tool-optimizer .glass-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(28, 28, 28, 0.18);
}

.tool-optimizer .tool-title {
  text-align: center;
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  color: var(--accent-color);
}

.tool-optimizer .subtitle {
  text-align: center;
  color: #666;
  font-size: 1.1rem;
  margin-bottom: 3rem;
  opacity: 0.9;
}

.tool-optimizer .input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.tool-optimizer .input-group {
  position: relative;
}

.tool-optimizer label {
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 0.6rem;
  display: block;
  font-size: 1.05rem;
}

.tool-optimizer textarea {
  width: 100%;
  background: rgba(245, 248, 255, 0.8);
  border: 2px solid rgba(28, 28, 28, 0.15);
  border-radius: 18px;
  padding: 1.2rem 1.4rem;
  color: #000;
  font-size: 1rem;
  resize: none;
  transition: all 0.3s;
  font-family: inherit;
  min-height: 140px;
}

.tool-optimizer textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 6px rgba(13, 131, 253, 0.18);
  background: #fff;
}

.tool-optimizer .char-count {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 0.85rem;
  color: #666;
  background: rgba(255, 255, 255, 0.95);
  padding: 4px 10px;
  border-radius: 10px;
  font-weight: 600;
  pointer-events: none;
  z-index: 10;
}

/* Keyword Highlighting */
.tool-optimizer .highlight {
  color: var(--accent-color);
  font-weight: 700;
  background: rgba(13, 131, 253, 0.15);
  padding: 2px 6px;
  border-radius: 6px;
}

.tool-optimizer .highlight-active {
  background: #0d83fd !important;
  color: white !important;
  box-shadow: 0 0 10px rgba(13, 131, 253, 0.5);
}

/* Used Keywords Tags */
.tool-optimizer .used-keywords {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(13, 131, 253, 0.08);
  border: 1px dashed var(--accent-color);
  border-radius: 14px;
  font-size: 0.95rem;
}

.tool-optimizer .kw-tag {
  display: inline-block;
  background: #0d83fd;
  color: white;
  padding: 6px 14px;
  border-radius: 50px;
  margin: 5px 8px 5px 0;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  user-select: none;
}

.tool-optimizer .kw-tag:hover {
  transform: scale(1.08);
}

.tool-optimizer .kw-tag.active {
  background: #004080 !important;
  box-shadow: 0 0 15px rgba(13, 131, 253, 0.6);
}

/* Score Bar */
.tool-optimizer .score-bar {
  background: linear-gradient(135deg, #0d83fd, #4a9eff);
  color: white;
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  margin: 2.5rem 0;
  box-shadow: 0 15px 35px rgba(13, 131, 253, 0.3);
}

.tool-optimizer .score-num {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.tool-optimizer .volume-total {
  font-size: 1.5rem;
  margin-top: 1rem;
  font-weight: 600;
}

/* Best Practices Grid */
.tool-optimizer .checks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.tool-optimizer .check-item {
  background: rgba(245, 248, 255, 0.8);
  padding: 1.2rem 1.6rem;
  border-radius: 18px;
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 2px solid rgba(28, 28, 28, 0.1);
  font-weight: 600;
  color: #444;
}

.tool-optimizer .check-icon {
  font-size: 1.6rem;
}

.tool-optimizer .green { color: #0d83fd; }
.tool-optimizer .red { color: #ff4444; }

/* Copy Button */
.tool-optimizer .copy-btn {
  display: block;
  margin: 3rem auto 0;
  background: #0d83fd;
  color: white;
  padding: 1rem 3rem;
  border: none;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 10px 25px rgba(13, 131, 253, 0.4);
}

.tool-optimizer .copy-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(13, 131, 253, 0.5);
}

/* Responsive */
@media (max-width: 992px) {
  .tool-optimizer .input-grid {
    grid-template-columns: 1fr;
  }
  .tool-optimizer .tool-title {
    font-size: 2.4rem;
  }
  .tool-optimizer .glass-card {
    padding: 2rem;
  }
}

@media (max-width: 576px) {
  .tool-optimizer .glass-card {
    padding: 1.5rem;
    border-radius: 24px;
  }
  .tool-optimizer .tool-title {
    font-size: 2.1rem;
  }
}