/* ============================================================
   BillAutopsy — App-view styles (logged-in product)
   Extends styles.css design tokens; only app-specific rules here.
   ============================================================ */

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
#app[hidden] {
  display: none;
}

/* ---------------- App header / nav ---------------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(15, 20, 22, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.app-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.app-header-inner .logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: 1.1rem;
  margin-right: auto;
}

.app-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.app-nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dim);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.app-nav-link:hover { color: var(--text); }
.app-nav-link.is-active { color: var(--text); border-color: var(--accent); }

.app-nav-cta { margin-left: var(--space-2); }

.app-main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-9);
}

@media (max-width: 720px) {
  .app-header-inner { flex-wrap: wrap; gap: var(--space-3); }
  .app-nav { gap: var(--space-3); order: 3; width: 100%; justify-content: space-between; }
  .app-nav-cta { display: none; }
}

/* ---------------- View headers ---------------- */
.view-title {
  font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem);
  margin-bottom: var(--space-1);
}
.view-sub {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
}
.view-toolbar {
  margin-bottom: var(--space-6);
  align-items: flex-start;
}
.section-heading {
  font-size: 1.1rem;
  margin: var(--space-6) 0 var(--space-3);
}
.back-link {
  display: inline-block;
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: var(--space-3);
}
.back-link:hover { color: var(--text); }

/* ---------------- Auth modal extras ---------------- */
.modal-sub {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin-bottom: var(--space-4);
}
.auth-switch {
  margin-top: var(--space-4);
  font-size: 0.9rem;
  color: var(--text-dim);
  text-align: center;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* ---------------- CTA popup ---------------- */
.cta-popup-modal {
  text-align: center;
  padding-top: var(--space-7);
  position: relative;
  max-width: 420px;
  background: linear-gradient(180deg, rgba(214,69,69,0.08), var(--surface) 55%);
  border-color: rgba(214,69,69,0.3);
}
.cta-popup-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
}
.cta-popup-badge {
  margin-bottom: var(--space-3);
}
.cta-popup-title {
  font-size: 1.35rem;
  margin-bottom: var(--space-3);
}
.cta-popup-sub {
  margin-bottom: var(--space-4);
}
.cta-popup-actions {
  justify-content: center;
  flex-wrap: wrap;
}
@media (max-width: 480px) {
  .cta-popup-actions { flex-direction: column-reverse; }
  .cta-popup-actions .btn { width: 100%; }
}

/* ---------------- Toast ---------------- */
.toast-host {
  position: fixed;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.toast {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  box-shadow: var(--shadow-md);
  animation: toast-in 160ms ease;
}
.toast-danger { border-color: rgba(214,69,69,0.4); color: var(--primary); }
.toast-accent { border-color: rgba(63,191,159,0.4); color: var(--accent); }
.toast-leave { animation: toast-out 200ms ease forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toast-out { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(8px); } }

/* ---------------- Icon buttons ---------------- */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }
.icon-btn-danger:hover { color: var(--primary); border-color: rgba(214,69,69,0.4); background: var(--danger-soft); }

/* ---------------- Dashboard insights ---------------- */
.insights-bar {
  display: flex;
  gap: var(--space-7);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.insight-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.insight-stat strong {
  font-family: var(--font-mono);
  font-size: 1.15rem;
}

/* ---------------- Dashboard scan rows ---------------- */
.dash-filters {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.dash-filters .input { width: auto; flex: 1 1 220px; }
.dash-filters select.input { flex: 0 1 180px; }

.scan-row {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-3);
  padding: var(--space-4);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.scan-row:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.scan-row-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.scan-row-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}
.scan-row-title strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.scan-row-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.scan-row-date { flex-shrink: 0; }
.scan-row-actions {
  display: flex;
  gap: var(--space-2);
}
.scan-row-stats {
  display: flex;
  gap: var(--space-6);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}
.scan-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.scan-stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}
.scan-stat-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
}
.scan-stat-value.is-flagged { color: var(--primary); font-weight: 700; }

.scan-result-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (max-width: 560px) {
  .scan-row-stats { gap: var(--space-4); flex-wrap: wrap; }
  .dash-filters { flex-direction: column; }
  .dash-filters .input, .dash-filters select.input { flex: 1 1 auto; width: 100%; }
  .insights-bar { gap: var(--space-4); padding: var(--space-4); }
}

/* ---------------- New scan form ---------------- */
.new-scan-form {
  padding: var(--space-6);
  max-width: 560px;
}
.file-drop {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
}
.file-drop input[type="file"] {
  color: var(--text-dim);
  font-size: 0.88rem;
}
.file-name {
  font-size: 0.82rem;
  color: var(--text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
  max-width: 100%;
}

/* ---------------- Processing view ---------------- */
.processing-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-9) var(--space-5);
}
.spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid var(--border-strong);
  border-top-color: var(--primary);
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- Scan summary ---------------- */
.scan-summary {
  display: flex;
  gap: var(--space-7);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.scan-summary-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.scan-summary-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}
.scan-summary-stat strong {
  font-family: var(--font-mono);
  font-size: 1.4rem;
}
.scan-summary-stat strong.is-flagged { color: var(--primary); }

.notice-inline {
  font-size: 0.88rem;
  color: var(--text-dim);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
}

/* ---------------- Teaser card ---------------- */
.teaser-card {
  padding: var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.teaser-card h2 {
  font-size: 1.3rem;
}
.teaser-card p {
  color: var(--text-dim);
  max-width: 46ch;
}
.teaser-blur-preview {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.blurred-row {
  filter: blur(4px);
  opacity: 0.7;
  pointer-events: none;
  justify-content: space-between;
}

/* ---------------- Line items table ---------------- */
.line-table {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.line-table-head,
.line-table-row {
  display: grid;
  grid-template-columns: 90px 2fr 60px 110px 200px 110px;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3) var(--space-4);
}
.compare-head,
.compare-row {
  grid-template-columns: 90px 2fr 100px 100px 200px 110px;
}
.line-table-head {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  padding-bottom: var(--space-2);
}
.line-table-row {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.line-table-row.is-flagged {
  border-color: rgba(214,69,69,0.35);
}
.line-code {
  cursor: help;
  width: fit-content;
}
.line-desc {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  cursor: help;
}
.line-desc .tag-unmatched {
  flex-shrink: 0;
}
.line-desc-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.flag-cell {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.explain-flag-btn {
  font-size: 0.78rem;
  white-space: nowrap;
}

@media (max-width: 860px) {
  .line-table-head { display: none; }
  .line-table-row {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: auto;
  }
  .line-table-row > span:nth-child(1) { grid-column: 1 / 2; }
  .line-table-row > span:nth-child(2) { grid-column: 1 / -1; }
  .flag-cell { grid-column: 1 / -1; }
}

/* ---------------- Scan result footer ---------------- */
.scan-result-footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-6);
}

/* ---------------- Dispute letter ---------------- */
.view-letter {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-6);
  align-items: start;
}
.view-letter > .back-link,
.view-letter > .view-title,
.view-letter > .view-sub {
  grid-column: 1 / -1;
}
.letter-form {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.letter-form .btn {
  margin-top: var(--space-2);
}
.letter-preview {
  padding: var(--space-5);
}
.letter-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.letter-body {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 420px;
  margin-top: var(--space-3);
}
.legal-note {
  margin-top: var(--space-3);
  font-size: 0.78rem;
  color: var(--text-faint);
}

@media (max-width: 900px) {
  .view-letter { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .letter-body { min-height: 260px; }
  .letter-form, .letter-preview { padding: var(--space-4); }
  .new-scan-form { padding: var(--space-4); }
  .teaser-card { padding: var(--space-4); }
}

/* ---------------- Print (dispute letter) ---------------- */
.print-only { display: none; }
@media print {
  body > *:not(#print-host) { display: none !important; }
  #print-host { display: block !important; }
  .print-letter {
    font-family: var(--font-mono, monospace);
    font-size: 12pt;
    white-space: pre-wrap;
    color: #000;
    background: #fff;
    padding: 0;
  }
}

/* ---------------- Account ---------------- */
.account-card {
  padding: var(--space-5) var(--space-6);
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.account-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}
.account-row:last-child { border-bottom: none; padding-bottom: 0; }
.account-actions {
  display: flex;
  max-width: 480px;
}

/* ---------------- Not found / empty polish ---------------- */
.view .empty-state {
  margin-top: var(--space-4);
}

/* ---------------- Feedback (Account page) ---------------- */
.feedback-card {
  padding: var(--space-5) var(--space-6);
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.feedback-card textarea.input {
  min-height: 96px;
}
.feedback-card .btn {
  align-self: flex-start;
}
.feedback-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.feedback-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.feedback-item p {
  font-size: 0.9rem;
  color: var(--text-dim);
  white-space: pre-wrap;
}
.feedback-item .mono-label {
  align-self: flex-end;
}