/* UTM Link Generator — Tool Styles */
:root {
  --primary: #4f46e5;
  --primary-light: #eef2ff;
}

[data-theme="dark"] {
  --primary-light: #1e1b4b;
}

.tool-hero {
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
  color: #fff;
}

.tool-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff !important;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.tool-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  color: #fff;
  margin-bottom: 1rem;
}

.tool-page {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.calc-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.calc-card h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-card h2 i {
  color: var(--primary);
}

.form-field {
  margin-bottom: 1.25rem;
}

.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.form-field input {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  box-sizing: border-box;
}

.form-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.form-field .help {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 760px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.calc-btn {
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 0.95rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.calc-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
}

.history-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.history-item:last-child {
  margin-bottom: 0;
}

.history-url {
  font-size: 0.85rem;
  color: var(--text);
  word-break: break-all;
}

.history-actions {
  display: flex;
  gap: 0.5rem;
}

.history-actions button {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  cursor: pointer;
}

/* Content Section */
.content-section {
  margin-top: 2rem;
}

.content-section h2 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  margin: 2rem 0 0.75rem;
  border-left: 3px solid #4f46e5;
  padding-left: 0.75rem;
}

.content-section p {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.steps-box {
  background: var(--primary-light);
  border-radius: 14px;
  padding: 1.5rem 1.5rem 1.5rem 2.5rem;
  margin: 1.5rem 0;
}

.steps-box li {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (max-width: 600px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-pill {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.feature-pill strong {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.feature-pill p {
  font-size: 0.875rem;
  margin: 0;
}

/* Related Tools */
.related-tools-section {
  margin: 3rem 0;
}

.related-tools-section h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none !important;
  transition: all 0.2s;
}

.tool-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.tool-card .icon-wrapper {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.tool-card .tool-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.tool-card .tool-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.faq-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.faq-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}