/* ============================================================
   COA Reader — page styles. Builds on shared.css tokens.
   ============================================================ */

.coa-shell {
  max-width: 760px;
}

.coa-step { margin-top: 16px; }

/* shared.css has no disabled state for .btn; add one here (cannot edit shared.css) */
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:disabled:hover { background: var(--accent); }

.coa-scope {
  margin: 16px 0 0;
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
}

.coa-h2 {
  margin: 0 0 4px;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- Dropzone ---------- */
.dropzone {
  border: 2px dashed var(--border-strong);
  border-radius: 12px;
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
  background: var(--bg);
}
.dropzone:hover,
.dropzone:focus-visible,
.dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}
.dropzone__icon {
  width: 36px; height: 36px;
  stroke: var(--accent); fill: none;
  stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
  margin-bottom: 10px;
}
.dropzone__main { margin: 0; font-weight: 600; color: var(--text); }
.dropzone__sub { margin: 4px 0 0; font-size: 0.82rem; color: var(--text-faint); }

.coa-report { margin-top: 14px; }
.coa-report label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; }
.coa-report textarea {
  width: 100%; padding: 10px 12px; font: inherit; font-size: 0.95rem;
  color: var(--text); background: var(--surface, #11161d);
  border: 1px solid var(--border-strong); border-radius: 8px; resize: vertical;
}
.coa-report textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); }
#report-status { min-height: 1em; }

.coa-filename {
  margin: 12px 0 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.82rem;
  color: var(--accent);
  word-break: break-all;
}

/* ---------- Working state ---------- */
.working {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  padding: 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Review fields ---------- */
.rv-group { margin-bottom: 18px; }
.rv-group__title {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 8px;
}
.rv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 12px;
}
.rv-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.rv-field input,
.rv-field select {
  width: 100%;
  padding: 9px 11px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
}
.rv-field input:focus,
.rv-field select:focus {
  outline: none; border-color: var(--accent); box-shadow: var(--focus-ring);
}
.rv-field--status select { font-size: 0.85rem; }
.rv-field--redacted input { border-color: var(--danger); }

.rv-result {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
  background: var(--bg);
}
.rv-result__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.rv-result__type {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.7rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em;
}

/* ---------- Results ---------- */
.coa-result-head { margin-bottom: 16px; }
.coa-result-head h2 {
  margin: 0; font-size: 1.4rem; font-weight: 600; letter-spacing: -0.01em;
}
.coa-result-head .coa-lab {
  margin: 2px 0 0; font-size: 0.9rem; color: var(--text-muted);
}
.coa-types {
  display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0;
}
.coa-type-chip {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.68rem; letter-spacing: 0.04em;
  padding: 3px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--border);
}

/* Headline metrics: purity + potency kept side by side and distinct */
.coa-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.coa-metric {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.coa-metric__label {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); margin: 0 0 4px;
}
.coa-metric__value {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 1.5rem; font-weight: 600; color: var(--text); margin: 0;
}
.coa-metric__note { margin: 4px 0 0; font-size: 0.78rem; color: var(--text-faint); }
.coa-metric--accent { border-left: 3px solid var(--accent); }

/* Flags */
.coa-flags { margin: 16px 0; display: flex; flex-direction: column; gap: 10px; }
.coa-flag {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 12px 14px;
  background: var(--bg);
}
.coa-flag__title {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 0.95rem; margin: 0 0 4px;
}
.coa-flag__badge {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 2px 7px; border-radius: 999px; flex-shrink: 0;
}
.coa-flag__msg { margin: 0; font-size: 0.9rem; color: var(--text-muted); }
.coa-flag__more {
  margin: 8px 0 0; font-size: 0.85rem; color: var(--text-muted);
  border-top: 1px dashed var(--border); padding-top: 8px;
}
.coa-flag--hard { border-left: 3px solid var(--danger); background: var(--danger-soft); }
.coa-flag--hard .coa-flag__badge { background: var(--danger); color: #fff; }
.coa-flag--warning { border-left: 3px solid #d97706; }
.coa-flag--warning .coa-flag__badge { background: #d97706; color: #fff; }
.coa-flag--notice { border-left: 3px solid var(--accent); }
.coa-flag--notice .coa-flag__badge { background: var(--accent); color: var(--accent-text); }

/* Checks summary */
.coa-checks {
  display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0;
}
.coa-check {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text-muted);
}
.coa-check__dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.coa-check--pass .coa-check__dot { background: var(--success); }
.coa-check--fail .coa-check__dot { background: var(--danger); }
.coa-check--na .coa-check__dot { background: var(--text-faint); }

/* Breakdown (tap to expand) */
.coa-breakdown { margin: 16px 0; }
.coa-bd-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  background: var(--bg);
  overflow: hidden;
}
.coa-bd-item > summary {
  cursor: pointer;
  padding: 12px 14px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}
.coa-bd-item > summary::-webkit-details-marker { display: none; }
.coa-bd-item__label {
  font-weight: 600; font-size: 0.85rem; color: var(--text);
  flex-shrink: 0; min-width: 120px;
}
.coa-bd-item__one { color: var(--text-muted); font-size: 0.9rem; text-align: right; flex: 1; word-break: break-word; }
.coa-bd-item__exp {
  padding: 0 14px 14px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.coa-bd-item[open] > summary { border-bottom: 1px dashed var(--border); margin-bottom: 10px; }

/* Reference values */
.coa-refs { margin: 16px 0; }
.coa-ref {
  font-size: 0.85rem; color: var(--text-muted);
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-subtle); margin-bottom: 8px;
}
.coa-ref strong { color: var(--text); }

/* Verification panel */
.coa-verify {
  margin: 18px 0 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: var(--bg-subtle);
}
.coa-verify__title {
  font-weight: 600; margin: 0 0 6px; display: flex; align-items: center; gap: 8px;
}
.coa-verify__msg { margin: 0 0 12px; font-size: 0.9rem; color: var(--text-muted); }
.coa-verify__note { margin: 10px 0 0; font-size: 0.78rem; color: var(--text-faint); }
.coa-verify--ok { border-left: 3px solid var(--success); }
.coa-verify--warn { border-left: 3px solid #d97706; }
.coa-verify--none { border-left: 3px solid var(--text-faint); }
.coa-verify-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; font-size: 0.95rem; font-weight: 600; font-family: inherit;
  background: var(--accent); color: var(--accent-text);
  border: none; border-radius: 8px; cursor: pointer; text-decoration: none;
}
.coa-verify-btn:hover { background: var(--accent-hover); color: var(--accent-text); }
.coa-verify-codes {
  margin: 10px 0 0; font-size: 0.82rem;
}
.coa-verify-codes code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--bg); padding: 2px 6px; border-radius: 5px; border: 1px solid var(--border);
}

.coa-section-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-faint);
  margin: 20px 0 8px;
}

/* ---------- Share (matches the other calculators exactly) ---------- */
.share-actions { margin-top: 18px; display: flex; justify-content: center; }
.share-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; font-size: 0.9rem; font-weight: 600; font-family: inherit;
  color: var(--accent); background: transparent;
  border: 1.5px solid var(--accent); border-radius: 8px; cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.share-btn:hover { background: var(--accent); color: var(--accent-text); }
.share-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.share-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.share-btn svg {
  width: 16px; height: 16px; stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.share-url-wrapper {
  margin-top: 12px; padding: 12px 14px;
  background: var(--bg-subtle); border: 1px solid var(--border);
  border-radius: 8px; position: relative; word-break: break-all;
}
.share-url-wrapper.hidden { display: none; }
.share-url-wrapper .share-url-text {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.82rem; color: var(--accent); display: block; padding-right: 60px;
}
.share-url-wrapper .copy-confirmation {
  position: absolute; top: 50%; right: 12px; transform: translateY(-50%);
  font-size: 0.75rem; font-weight: 600; color: var(--success);
  opacity: 0; pointer-events: none; user-select: none;
}
.share-url-wrapper .copy-confirmation.show { animation: copy-fade 1.6s ease-in-out; }
@keyframes copy-fade {
  0% { opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { opacity: 0; }
}

/* ---------- Plain-language reading (AI literacy) ---------- */
.coa-summary {
  margin: 8px 0 4px;
  padding: 14px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  background: var(--accent-soft);
}
.coa-summary__text { margin: 0; font-size: 0.95rem; color: var(--text); line-height: 1.5; }
.coa-summary__note { margin: 8px 0 0; font-size: 0.75rem; color: var(--text-faint); }

/* ---------- Open-ended results rows ---------- */
.coa-rows { margin: 8px 0; display: flex; flex-direction: column; gap: 6px; }
.coa-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--bg);
}
.coa-row__top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.coa-row__label { font-weight: 600; font-size: 0.88rem; color: var(--text); flex-shrink: 0; }
.coa-row__value {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.85rem; color: var(--text-muted); text-align: right; word-break: break-word;
}
.coa-row__note { margin: 6px 0 0; font-size: 0.82rem; color: var(--text-muted); line-height: 1.45; }

@media (max-width: 600px) {
  .coa-bd-item > summary { flex-direction: column; gap: 4px; }
  .coa-bd-item__one { text-align: left; }
  .coa-bd-item__label { min-width: 0; }
  .coa-row__top { flex-direction: column; gap: 2px; }
  .coa-row__value { text-align: left; }
}