/* ============================================================
   Top Bins - Prediction Accuracy page
   ============================================================ */

.acc-wrap { max-width: 940px; margin: 0 auto; padding: 4px 18px 80px; }

.acc-toolbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.acc-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 4.6vw, 1.8rem);
  letter-spacing: -0.03em;
  color: var(--text);
}
.acc-meta { display: flex; align-items: center; gap: 12px; }
.acc-updated { font-family: var(--font-num); font-size: 0.68rem; color: var(--text-dim); }
.acc-refresh {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 9px 15px;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease, transform .15s ease;
}
.acc-refresh:hover { border-color: var(--accent-line); color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.acc-refresh:disabled { opacity: 0.4; cursor: default; transform: none; }

/* ---- headline stat cards ---- */
.acc-headline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--shadow-card);
  animation: rise 0.5s var(--ease) both;
}
.stat-card.hero {
  border-color: var(--accent-line);
  background:
    radial-gradient(ellipse 90% 60% at 50% 0%, rgba(25, 227, 154, 0.08), transparent 65%),
    var(--panel-2);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 1);
}
.stat-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.stat-value {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.7rem, 6.5vw, 2.5rem);
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text);
}
.stat-card.hero .stat-value { color: var(--accent); }
.stat-sub {
  font-family: var(--font-num);
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 10px;
}

/* ---- section heading ---- */
.acc-section-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 10px 2px 14px;
}

/* ---- breakdown rows (category + stage) ---- */
.acc-grid { display: flex; flex-direction: column; gap: 10px; margin-bottom: 34px; }
.acc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 15px 16px;
  transition: border-color .2s ease;
}
.acc-row:hover { border-color: var(--panel-border-strong); }
.acc-row-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  color: var(--text);
  min-width: 0;
}
.acc-row-figs { display: flex; align-items: baseline; gap: 12px; justify-self: end; }
.acc-frac { font-family: var(--font-num); font-size: 0.74rem; color: var(--text-dim); }
.acc-pct {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  min-width: 68px;
  text-align: right;
}
.acc-bar {
  grid-column: 1 / -1;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}
.acc-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  transition: width .9s var(--ease);
}
/* colour the fill by how strong the rate is */
.acc-bar-fill.mid  { background: var(--warn); }
.acc-bar-fill.low  { background: #e0603f; }

/* ---- states ---- */
.acc-state {
  text-align: center;
  padding: 64px 20px;
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--text-dim);
}
.acc-state .spinner {
  width: 30px; height: 30px;
  margin: 0 auto 16px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: acc-spin 0.8s linear infinite;
}
@keyframes acc-spin { to { transform: rotate(360deg); } }
.acc-note {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 6px;
  line-height: 1.6;
}
.hidden { display: none; }

@media (max-width: 820px) {
  .acc-headline { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .acc-headline { grid-template-columns: 1fr; }
}