/* ── 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); }

/* ── Mode panel ─────────────────────────────────────────────── */
.mode-panel { margin-bottom: 1.25rem; }
.mode-panel__label { font-size: .78rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--gray-400); margin-bottom: .65rem; display: block; }

/* ── Angle options ──────────────────────────────────────────── */
.angle-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .5rem;
}

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

.angle-opt__box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  padding: 1rem .75rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  text-align: center;
}
.angle-opt input:checked + .angle-opt__box {
  border-color: var(--black);
  background: var(--gray-100);
}

.angle-opt__icon { color: var(--gray-500); display: flex; }
.angle-opt input:checked + .angle-opt__box .angle-opt__icon { color: var(--black); }

.angle-opt__label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-600);
  white-space: nowrap;
}
.angle-opt input:checked + .angle-opt__box .angle-opt__label { color: var(--black); }

/* ── Mode options (pages) ───────────────────────────────────── */
.mode-options { display: flex; flex-direction: column; gap: .5rem; }
.mode-opt { cursor: pointer; }
.mode-opt input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }

.mode-opt__box {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .9rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.mode-opt input:checked + .mode-opt__box { border-color: var(--black); background: var(--gray-100); }

.mode-opt__icon { flex-shrink: 0; color: var(--gray-600); display: flex; }
.mode-opt input:checked + .mode-opt__box .mode-opt__icon { color: var(--black); }

.mode-opt__text { display: flex; flex-direction: column; gap: .15rem; }
.mode-opt__text strong { font-size: .9rem; font-weight: 600; color: var(--black); }
.mode-opt__text em { font-style: normal; font-size: .78rem; color: var(--gray-400); }

/* ── Mode params ────────────────────────────────────────────── */
.mode-params { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: .5rem; }

.param-label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.param-hint { font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--gray-600); font-size: .78rem; }

.param-input {
  width: 100%;
  padding: .85rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--white);
  outline: none;
  transition: border-color .15s;
}
.param-input:focus { border-color: var(--black); }

.param-note { font-size: .78rem; color: var(--gray-400); line-height: 1.5; }
.param-note code { background: var(--gray-100); padding: .1rem .35rem; border-radius: 3px; font-size: .78rem; 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:40ch; }
.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; }

.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) {
  .angle-options { grid-template-columns: repeat(3, 1fr); }
  .angle-opt__label { font-size: .72rem; }
  .mode-opt__text em { display: none; }
  .privacy-strip__inner { gap: 1rem; }
}