/* =============================================================================
   reports.css — Page-specific styles for reports-explanation pages
============================================================================= */

/* Page intro */
.reports-intro {
  background: linear-gradient(160deg, var(--white) 0%, var(--green-100) 100%);
  padding: 64px 0 56px;
  text-align: center;
}

.reports-intro h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.reports-intro p {
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* Accordion section */
.reports-section {
  padding: 56px 0 80px;
  background: var(--white);
}

.accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Each collapsible item */
.accordion-item {
  border: 1.5px solid var(--green-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .2s;
}

.accordion-item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--green-300);
}

/* Summary row */
.accordion-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  background: var(--white);
  transition: background .15s;
}

.accordion-item summary::-webkit-details-marker { display: none; }

.accordion-item[open] summary {
  background: var(--green-100);
  border-bottom: 1.5px solid var(--green-200);
}

.accordion-item summary:hover {
  background: var(--green-100);
}

/* File type badge */
.file-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  flex-shrink: 0;
  color: var(--white);
}

.file-badge-pdf  { background: #e05252; }
.file-badge-html { background: #e07832; }
.file-badge-csv  { background: var(--green-700); }

/* Filename in summary */
.summary-filename {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  flex: 1;
}

/* Chevron arrow */
.summary-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform .2s;
}

.accordion-item[open] .summary-chevron {
  transform: rotate(180deg);
}

/* Expanded body */
.accordion-body {
  padding: 28px 24px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.accordion-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.accordion-row-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.accordion-row-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--white);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-what  { background: var(--green-300); }
.icon-why   { background: var(--green-700); }
.icon-how   { background: #e07832; }

.accordion-row-content h4 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.accordion-row-content p {
  font-size: .95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin: 0;
}

/* Inline code */
.accordion-row-content code {
  background: var(--green-100);
  color: var(--green-900);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .88em;
  font-family: 'Courier New', monospace;
}

/* Preview & download section inside accordion */
.accordion-preview {
  border-top: 1.5px solid var(--green-100);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.preview-label {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
}

.preview-thumbs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.preview-link {
  position: relative;
  display: inline-block;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1.5px solid var(--green-200);
  line-height: 0;
  transition: border-color .2s, box-shadow .2s;
}

.preview-link:hover {
  border-color: var(--green-300);
  box-shadow: var(--shadow-md);
}

.preview-thumb {
  display: block;
  height: 120px;
  width: auto;
  max-width: 200px;
  object-fit: cover;
  object-position: top;
  transition: opacity .15s;
}

.preview-link:hover .preview-thumb { opacity: .85; }

.preview-zoom-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.32);
  color: white;
  font-size: 1.4rem;
  opacity: 0;
  transition: opacity .15s;
}

.preview-link:hover .preview-zoom-hint { opacity: 1; }

.preview-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--green-700);
  text-decoration: none;
  padding: 8px 14px;
  border: 1.5px solid var(--green-300);
  border-radius: var(--radius);
  align-self: flex-start;
  transition: background .15s;
}

.preview-download:hover { background: var(--green-100); }

.preview-download svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Lightbox overlay */
.img-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 24px;
}

.img-lightbox[hidden] { display: none; }

.img-lightbox img {
  max-width: min(1200px, calc(100vw - 48px));
  max-height: calc(100vh - 80px);
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: rgba(255,255,255,.15);
  border: none;
  color: white;
  font-size: 2rem;
  line-height: 1;
  padding: 4px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s;
}

.lightbox-close:hover { background: rgba(255,255,255,.3); }

/* Responsive */
@media (max-width: 640px) {
  .accordion-item summary { padding: 16px 18px; gap: 12px; }
  .accordion-body { padding: 20px 18px; }
  .summary-filename { font-size: .95rem; }
  .preview-thumb { height: 90px; max-width: 140px; }
}