/* =============================================
   Tools — Common Reusable Components
   Shared across multiple tool pages
   ============================================= */

/* ── Results Bar ── */
.results-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 18px 22px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: 28px;
}
.results-bar-info {
  display: flex;
  align-items: center;
  gap: 14px;
}
.results-bar-info .icon-wrap {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.results-bar-info h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.results-bar-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Modal Backdrop ── */
.img-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.img-modal-backdrop.open {
  display: flex;
}
.img-modal-box {
  background: var(--card-bg);
  border-radius: 20px;
  width: 92%;
  max-width: 860px;
  max-height: 90vh;
  overflow: hidden;
  animation: modalFadeIn 0.25s ease;
}
@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.img-modal-head {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.img-modal-head h4 {
  font-size: 0.95rem;
  font-weight: 700;
}
.img-modal-head h4 i {
  color: var(--primary);
  margin-right: 7px;
}
.img-modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition);
}
.img-modal-close:hover {
  color: #ef4444;
}
.img-modal-body {
  padding: 22px;
  text-align: center;
  max-height: calc(90vh - 130px);
  overflow: auto;
}
.img-modal-body img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  max-height: 58vh;
  border-radius: 10px;
}
.img-modal-caption {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}
.img-modal-foot {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.modal-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}
.modal-action-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ── FAQ Box Grid ── */
.faq-box-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 28px;
}
.faq-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  transition:
    box-shadow var(--transition),
    border-color var(--transition);
}
.faq-box:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.faq-box-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}
.faq-box-q-badge {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  letter-spacing: 0.03em;
}
.faq-box-q strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}
.faq-box-a {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding-left: 40px;
}
.faq-box-a ul {
  margin-top: 8px;
  padding-left: 18px;
  line-height: 1.9;
}

/* ── How It Works ── */
.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 28px;
  position: relative;
}
.how-it-works-grid::before {
  content: "";
  position: absolute;
  top: 35px;
  left: calc(16.67% + 16px);
  right: calc(16.67% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), #06d6a0);
  z-index: 0;
}
.how-step {
  text-align: center;
  padding: 0 24px 32px;
  position: relative;
  z-index: 1;
}
.how-step-num {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.28);
  position: relative;
  z-index: 2;
  border: 4px solid var(--bg);
}
.how-step-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #06d6a0;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(6, 214, 160, 0.4);
}
.how-step h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.how-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Copyright Notice ── */
.copyright-notice {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 26px;
  background: linear-gradient(
    135deg,
    rgba(245, 158, 11, 0.07),
    rgba(251, 191, 36, 0.04)
  );
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-left: 4px solid #f59e0b;
  border-radius: var(--radius-lg);
}
.copyright-notice .cn-icon {
  font-size: 1.5rem;
  color: #f59e0b;
  flex-shrink: 0;
  margin-top: 1px;
}
.copyright-notice h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #92400e;
  margin-bottom: 7px;
}
.copyright-notice p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}

/* ── Responsive ── */
@media (max-width: 760px) {
  .faq-box-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .results-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .how-it-works-grid {
    grid-template-columns: 1fr;
  }
  .how-it-works-grid::before {
    display: none;
  }
}