.tool-hero { padding: 64px 0 48px; text-align: center; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--txt3); margin-bottom: 24px; justify-content: center; }
.breadcrumb a { color: var(--txt3); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--txt2); }
.breadcrumb span { color: var(--bdr-h); }

/* Upload zone */
.drop-zone {
  border: 2px dashed rgba(99,102,241,.35); border-radius: 24px; padding: 56px 32px;
  text-align: center; cursor: pointer;
  background: rgba(99,102,241,.03);
  backdrop-filter: blur(24px);
  transition: all .25s var(--ease);
  max-width: 600px; margin: 0 auto 32px;
}
.drop-zone:hover, .drop-zone.drag-over { border-color: rgba(99,102,241,.7); background: rgba(99,102,241,.07); }
.drop-icon { font-size: 3rem; margin-bottom: 16px; }
.drop-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.drop-sub { color: var(--txt2); font-size: .9rem; margin-bottom: 24px; }
.drop-formats { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.fmt-pill { background: rgba(255,255,255,.06); border: 1px solid var(--bdr); border-radius: 100px; padding: 4px 12px; font-size: .75rem; font-weight: 600; color: var(--txt2); }

/* Check list (before upload) */
.checks-preview { max-width: 560px; margin: 0 auto 40px; }
.checks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; text-align: left; }
.check-item { display: flex; align-items: center; gap: 8px; font-size: .84rem; color: var(--txt2); }
.check-item::before { content: '✓'; color: var(--grn); font-weight: 700; flex-shrink: 0; }

/* Loading */
#loading { display: none; text-align: center; padding: 48px 0; }
.loading-spinner { width: 48px; height: 48px; border: 3px solid var(--bdr); border-top-color: var(--acc); border-radius: 50%; animation: spin .8s linear infinite; margin: 0 auto 20px; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-checks { display: flex; flex-direction: column; gap: 8px; max-width: 280px; margin: 0 auto; }
.loading-check { display: flex; align-items: center; gap: 10px; font-size: .85rem; color: var(--txt3); }
.loading-check.done { color: var(--grn); }
.loading-check.active { color: var(--txt2); }

/* Report */
#report { display: none; }
.report-header { background: linear-gradient(135deg, rgba(99,102,241,.1) 0%, rgba(139,92,246,.06) 100%); border: 1px solid rgba(99,102,241,.2); border-radius: 24px; padding: 36px; margin-bottom: 32px; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.report-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 8px; }
.report-meta { color: var(--txt2); font-size: .88rem; }
.score-circle { width: 96px; height: 96px; border-radius: 50%; background: conic-gradient(var(--acc) 0%, var(--acc2) var(--pct, 0%), rgba(255,255,255,.06) var(--pct, 0%)); display: flex; align-items: center; justify-content: center; position: relative; flex-shrink: 0; }
.score-inner { width: 74px; height: 74px; border-radius: 50%; background: var(--bg2); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.score-num { font-size: 1.5rem; font-weight: 800; line-height: 1; }
.score-label { font-size: .6rem; color: var(--txt3); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }

.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.report-card { background: var(--sur); border: 1px solid var(--bdr); border-radius: 18px; padding: 22px; }
.report-card h3 { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--txt2); margin-bottom: 14px; }
.report-stat { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.report-stat-val { font-size: 1.6rem; font-weight: 800; color: var(--txt); letter-spacing: -.02em; }
.report-stat-unit { font-size: .82rem; color: var(--txt2); }
.report-sub { font-size: .78rem; color: var(--txt2); }
.report-flag { font-size: .78rem; margin-top: 6px; padding: 4px 10px; border-radius: 100px; display: inline-flex; align-items: center; gap: 5px; font-weight: 600; }
.flag-ok  { background: rgba(16,185,129,.1); color: #10b981; }
.flag-warn { background: rgba(245,158,11,.1); color: #f59e0b; }
.flag-bad  { background: rgba(239,68,68,.1);  color: #ef4444; }

/* Chapter bars */
.chapter-bars { display: flex; flex-direction: column; gap: 6px; }
.ch-row { display: flex; align-items: center; gap: 10px; font-size: .8rem; }
.ch-name { color: var(--txt2); min-width: 80px; flex-shrink: 0; }
.ch-bar-wrap { flex: 1; height: 8px; background: rgba(255,255,255,.06); border-radius: 100px; overflow: hidden; }
.ch-bar { height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); border-radius: 100px; transition: width .4s var(--ease); }
.ch-wc { color: var(--txt3); min-width: 52px; text-align: right; }

/* Word cloud */
.word-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.word-tag { background: rgba(255,255,255,.05); border: 1px solid var(--bdr); border-radius: 100px; padding: 4px 11px; font-size: .78rem; color: var(--txt2); }
.word-tag.top { background: rgba(99,102,241,.08); border-color: rgba(99,102,241,.2); color: var(--acc3); }

/* Passive list */
.passive-list { display: flex; flex-direction: column; gap: 6px; }
.passive-item { font-size: .82rem; color: var(--txt2); background: rgba(255,255,255,.03); border-radius: 8px; padding: 8px 12px; }
.passive-item mark { background: rgba(245,158,11,.2); color: var(--gold); border-radius: 3px; padding: 0 3px; }

/* Reset button */
#reset-btn { display: none; margin: 0 auto 32px; }

/* Full width card */
.report-card.full { grid-column: 1 / -1; }

/* Pacing & Texture Map */
.ptm-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.ptm-tile { background: rgba(255,255,255,.03); border: 1px solid var(--bdr); border-radius: 10px; padding: 12px 14px; }
.ptm-lbl { font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--txt2); margin-bottom: 4px; display: flex; align-items: center; gap: 4px; }
.ptm-val { font-size: 1.1rem; font-weight: 800; color: var(--txt); margin-bottom: 3px; }
.ptm-desc { font-size: .71rem; color: var(--txt2); line-height: 1.4; }
.ptm-bar { height: 3px; background: rgba(255,255,255,.07); border-radius: 100px; margin-top: 8px; overflow: hidden; }
.ptm-bar-fill { height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); border-radius: 100px; }

/* Stat labels (Manuscript Overview) */
.stat-lbl { font-size:.7rem; color:var(--txt2); font-weight:700; letter-spacing:.06em; text-transform:uppercase; margin-bottom:3px; }

/* Tooltip */
.tip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px; border-radius: 50%;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
  font-size: .62rem; color: var(--txt2); cursor: help;
  position: relative; vertical-align: middle; flex-shrink: 0; line-height: 1;
  font-weight: 400; letter-spacing: 0; text-transform: none;
}
.tip::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: #1a1f35; border: 1px solid rgba(255,255,255,.12);
  color: var(--txt2); font-size: .72rem; font-weight: 400; letter-spacing: 0; text-transform: none;
  padding: 10px 14px; border-radius: 10px; width: 240px; z-index: 300;
  line-height: 1.55; pointer-events: none; white-space: normal; text-align: left;
  opacity: 0; visibility: hidden; transition: opacity .15s;
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.tip:hover::after { opacity: 1; visibility: visible; }

/* Chapter accordion */
.ch-acc-item { border-bottom: 1px solid var(--bdr); }
.ch-acc-item:last-child { border-bottom: none; }
.ch-acc-header { display: flex; align-items: center; gap: 10px; padding: 10px 4px; cursor: pointer; user-select: none; border-radius: 8px; transition: background .15s; }
.ch-acc-header:hover { background: rgba(255,255,255,.04); }
.cha-chev { color: var(--acc3); flex-shrink: 0; transition: transform .2s; }
.ch-acc-item.open .cha-chev { transform: rotate(180deg); }
.cha-title { color: var(--txt); min-width: 90px; max-width: 180px; font-size: .84rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex-shrink: 0; }
.cha-bar-wrap { flex: 1; height: 6px; background: rgba(255,255,255,.06); border-radius: 100px; overflow: hidden; }
.cha-bar { height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); border-radius: 100px; }
.cha-wc { color: var(--txt2); font-size: .8rem; font-weight: 600; min-width: 48px; text-align: right; flex-shrink: 0; }
.ch-acc-body { display: none; padding: 4px 4px 16px; }
.ch-acc-item.open .ch-acc-body { display: block; }
.cha-sub-badge { flex-shrink: 0; font-size: .62rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--acc3); background: rgba(99,102,241,.12); border: 1px solid rgba(99,102,241,.2); border-radius: 100px; padding: 2px 8px; }
.cha-subs { border-bottom: 1px solid rgba(255,255,255,.06); padding-bottom: 12px; margin-bottom: 14px; }
.cha-sub-row { display: flex; align-items: center; gap: 10px; padding: 4px 0 4px 22px; }
.cha-sub-title { color: var(--txt2); font-size: .8rem; min-width: 90px; max-width: 240px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex-shrink: 0; }
.cha-sub-track { flex: 1; height: 4px; background: rgba(255,255,255,.05); border-radius: 100px; overflow: hidden; }
.cha-sub-fill { height: 100%; background: rgba(139,92,246,.55); border-radius: 100px; }
.cha-sub-wc { color: var(--txt3); font-size: .74rem; font-weight: 600; min-width: 48px; text-align: right; flex-shrink: 0; }
@media (max-width: 760px) { .sb-note { display: none; } }
.cha-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 14px; }
.cha-metric { display: flex; flex-direction: column; gap: 3px; }
.cam-lbl { font-size: .67rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--txt2); display: flex; align-items: center; gap: 3px; }
.cam-val { font-size: .88rem; font-weight: 700; color: var(--txt); }
.cha-viz-section { border-top: 1px solid rgba(255,255,255,.06); padding-top: 12px; }
.cha-viz-lbl { font-size: .67rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--txt2); margin-bottom: 10px; }
.cha-viz-row { display: flex; flex-direction: column; gap: 8px; }
.cha-viz { display: flex; align-items: center; gap: 10px; }
.cv-l { font-size: .72rem; color: var(--txt2); min-width: 64px; flex-shrink: 0; font-weight: 500; }
.cv-r { font-size: .72rem; color: var(--txt2); min-width: 64px; text-align: right; flex-shrink: 0; font-weight: 500; }
.cv-track { flex: 1; height: 6px; background: rgba(255,255,255,.07); border-radius: 100px; overflow: hidden; }
.cv-fill { height: 100%; background: linear-gradient(90deg, #0ea5e9, #06b6d4); border-radius: 100px; transition: width .4s var(--ease); }

@media (max-width: 760px) {
  .report-grid { grid-template-columns: 1fr; }
  .report-header { grid-template-columns: 1fr; }
  .score-circle { margin: 0 auto; }
  .checks-grid { grid-template-columns: 1fr; }
  .ptm-grid { grid-template-columns: repeat(2,1fr); }
  .cha-metrics { grid-template-columns: repeat(2,1fr); }
  .tip::after { left: 0; transform: none; width: 200px; }
}