/* ── Shared tool styles ─────────────────────────────────────── */
.tool-page { padding:clamp(2rem,5vw,3.5rem) 0 clamp(3rem,6vw,5rem); min-height:calc(100vh - 60px - 48px - 160px); }
.tool-page__inner { max-width:680px; }
.breadcrumb { display:flex; align-items:center; gap:.5rem; font-size:.8rem; color:var(--gray-400); margin-bottom:1.5rem; }
.breadcrumb a { color:var(--gray-400); transition:color .15s; }
.breadcrumb a:hover { color:var(--black); }
.tool-page__title { font-family:var(--font-serif); font-size:clamp(1.6rem,4vw,2.2rem); font-weight:600; color:var(--black); margin-bottom:.5rem; }
.tool-page__sub { font-size:.95rem; color:var(--gray-600); margin-bottom:2rem; max-width:55ch; }
.tool-step { margin-top:1rem; }
.drop-zone { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.6rem; padding:2.75rem 2rem; border:2px dashed var(--gray-200); border-radius:var(--radius-lg); background:var(--gray-100); cursor:pointer; transition:border-color .2s,background .2s; text-align:center; outline:none; }
.drop-zone:hover,.drop-zone:focus-visible { border-color:var(--gray-400); background:#efefef; }
.drop-zone.dragover { border-color:var(--black); background:#ebebeb; }
.drop-zone__icon { color:var(--gray-400); display:flex; margin-bottom:.25rem; transition:color .2s; }
.drop-zone:hover .drop-zone__icon,.drop-zone.dragover .drop-zone__icon { color:var(--gray-600); }
.drop-zone__title { font-size:1rem; font-weight:600; color:var(--black); }
.drop-zone__sub { font-size:.875rem; color:var(--gray-600); }
.drop-zone__link { color:var(--black); text-decoration:underline; cursor:pointer; font-weight:500; transition:opacity .15s; }
.drop-zone__link:hover { opacity:.7; }
.drop-zone__limit { font-size:.78rem; color:var(--gray-400); margin-top:.15rem; }
.drop-zone--has-files { padding:1.25rem; flex-direction:row; justify-content:center; gap:.75rem; border-style:dashed; }
.drop-zone--has-files .drop-zone__icon { margin-bottom:0; }
.drop-zone--has-files .drop-zone__title { font-size:.875rem; }
.drop-zone--has-files .drop-zone__sub { font-size:.82rem; }
.drop-zone--has-files .drop-zone__limit { display:none; }
@media (max-width:480px) { .drop-zone { padding:2rem 1.25rem; } }

/* ── File summary bar ───────────────────────────────────────── */
.file-summary { display:flex; align-items:center; gap:.85rem; padding:.8rem 1rem; background:var(--gray-100); border:1px solid var(--gray-200); border-radius:var(--radius-sm); margin-bottom:1.5rem; }
.file-summary__icon { color:var(--gray-600); flex-shrink:0; display:flex; }
.file-summary__body { flex:1; min-width:0; display:flex; flex-direction:column; gap:.1rem; }
.file-summary__name { font-size:.875rem; font-weight:500; color:var(--black); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.file-summary__meta { font-size:.75rem; color:var(--gray-400); }
.file-summary__change { font-size:.78rem; font-weight:600; color:var(--gray-600); background:none; border:none; cursor:pointer; text-decoration:underline; flex-shrink:0; padding:0; }
.file-summary__change:hover { color:var(--black); }

/* ── Quality options ─────────────────────────────────────────── */
.quality-section { margin-bottom: 1.25rem; }

.quality-options {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.quality-options legend {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: .65rem;
  float: none;
  width: 100%;
}

.quality-opt { cursor: pointer; }
.quality-opt input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }

.quality-opt__box {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .85rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.quality-opt input:checked + .quality-opt__box {
  border-color: var(--black);
  background: var(--gray-100);
}

.quality-opt__name { font-size:.9rem; font-weight:600; color:var(--black); flex:1; }
.quality-opt__desc { font-size:.78rem; color:var(--gray-400); }

.quality-opt__badge {
  font-size: .72rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 999px;
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  white-space: nowrap;
}
.quality-opt__badge--strong { background:var(--black); color:var(--white); border-color:var(--black); }

/* ── Shared components ──────────────────────────────────────── */
.processing-card { display:flex; flex-direction:column; align-items:center; text-align:center; padding:3rem 2rem; background:var(--gray-100); border:1px solid var(--gray-200); border-radius:var(--radius-lg); gap:.75rem; }
.processing-card__spinner svg { animation:spin 1s linear infinite; color:var(--black); }
@keyframes spin { to { transform:rotate(360deg); } }
.processing-card__title { font-size:1.05rem; font-weight:600; color:var(--black); }
.processing-card__sub   { font-size:.875rem; color:var(--gray-600); max-width:36ch; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; width:100%; }
.processing-card__note  { font-size:.78rem; color:var(--gray-400); max-width:40ch; }

.result-card { padding:2rem; background:var(--white); border:1px solid var(--gray-200); border-radius:var(--radius-lg); display:flex; flex-direction:column; gap:1.25rem; box-shadow:var(--shadow-md); }
.result-card__header { display:flex; align-items:center; gap:.75rem; }
.result-card__check  { color:#16a34a; display:flex; }
.result-card__header h2 { font-size:1.05rem; font-weight:600; color:var(--black); }
.result-card__sizes  { display:flex; align-items:center; gap:1rem; padding:1.1rem 1.25rem; background:var(--gray-100); border-radius:var(--radius-sm); flex-wrap:wrap; }
.result-size { display:flex; flex-direction:column; gap:.2rem; }
.result-size__label { font-size:.72rem; font-weight:600; letter-spacing:.07em; text-transform:uppercase; color:var(--gray-400); }
.result-size__value { font-size:1.2rem; font-weight:600; color:var(--black); font-family:var(--font-serif); }
.result-size__value--accent { color:#16a34a; }
.result-size__value--saving { color:#16a34a; }
.result-size__arrow { font-size:1.1rem; color:var(--gray-400); align-self:flex-end; padding-bottom:.15rem; }
.result-size--saving { margin-left:auto; align-items:flex-end; }

.btn--ghost { background:transparent; color:var(--gray-600); border:1.5px solid var(--gray-200); }
.btn--ghost:hover { border-color:var(--gray-400); color:var(--black); opacity:1; }

.receipt-card { margin-top:1.25rem; background:var(--gray-900); color:var(--white); border-radius:var(--radius-md); padding:1.5rem; }
.receipt-card__header { display:flex; align-items:center; gap:.5rem; font-size:.8rem; margin-bottom:1.1rem; color:rgba(255,255,255,.5); }
.receipt-card__dot { width:8px; height:8px; border-radius:50%; background:#4ade80; box-shadow:0 0 6px #4ade80; flex-shrink:0; animation:pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }
.receipt-card__time { margin-left:auto; }
.receipt-card__row { display:flex; justify-content:space-between; align-items:baseline; padding:.5rem 0; border-bottom:1px solid rgba(255,255,255,.07); font-size:.83rem; gap:1rem; }
.receipt-card__row--hash { flex-direction:column; gap:.35rem; }
.receipt-card__label { color:rgba(255,255,255,.4); flex-shrink:0; }
.receipt-card__value { color:var(--white); font-weight:500; text-align:right; word-break:break-all; }
.receipt-card__hash { font-family:'Courier New',monospace; font-size:.78rem; color:#a3e635; letter-spacing:.03em; word-break:break-all; background:rgba(163,230,53,.08); padding:.4rem .65rem; border-radius:var(--radius-sm); display:block; }
.receipt-card__note { margin-top:1rem; font-size:.75rem; color:rgba(255,255,255,.3); line-height:1.5; }

.error-card { display:flex; flex-direction:column; align-items:center; text-align:center; padding:3rem 2rem; background:var(--gray-100); border:1px solid var(--gray-200); border-radius:var(--radius-lg); gap:.75rem; }
.error-card__icon { color:#dc2626; display:flex; }
.error-card h2 { font-size:1.05rem; font-weight:600; }
.error-card p  { font-size:.875rem; color:var(--gray-600); max-width:40ch; }

.privacy-strip { background:var(--gray-100); border-top:1px solid var(--gray-200); padding:.9rem 0; }
.privacy-strip__inner { display:flex; align-items:center; gap:2rem; flex-wrap:wrap; }
.privacy-strip__item { display:flex; align-items:center; gap:.4rem; font-size:.78rem; color:var(--gray-600); }

@media (max-width:520px) {
  .quality-opt__desc { display: none; }
  .result-card__sizes { gap: .75rem; }
  .privacy-strip__inner { gap: 1rem; }
}