/* HoaReply — app.css
   View-specific styles for the logged-in product.
   Extends the design-system tokens & components already defined in styles.css.
*/

/* ---------------------------- App shell ---------------------------- */

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

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(18, 20, 15, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border-soft);
}

.app-header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 20px;
}

.app-header .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

.app-nav {
  display: flex;
  gap: 4px;
  flex: 1;
}

.app-nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: background var(--transition), color var(--transition);
}
.app-nav-link:hover { background: var(--surface-2); color: var(--text); }
.app-nav-link.active { background: var(--primary-tint); color: var(--primary); }

.app-user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}
.app-user-name {
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-main {
  flex: 1;
  padding: 40px 20px 80px;
  width: 100%;
}

/* ---------------------------- Page headers ---------------------------- */

.page-title { font-size: 1.9rem; margin-bottom: 0.2em; }
.page-sub { color: var(--muted); margin-bottom: 28px; }
.case-title-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rename-btn { font-size: 0.72rem; padding: 4px 10px; }

/* ---------------------------- Welcome ---------------------------- */

.welcome-screen {
  max-width: 620px;
  margin: 40px auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.welcome-screen h1 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); }
.welcome-sub { color: var(--muted); font-size: 1.05rem; }
.welcome-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 12px;
}

/* ---------------------------- Toolbar / Dashboard ---------------------------- */

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.filter-search { flex: 1; min-width: 200px; }
.filter-select { max-width: 200px; }

.case-item {
  text-decoration: none;
  color: var(--text);
  display: flex;
}
.case-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}
.deadline-meta { font-size: 0.85rem; }
.deadline-meta.overdue { color: var(--accent); font-weight: 700; }

.badge-status {
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.7rem;
}
.status-processing { border-color: var(--muted-2); color: var(--muted); background: var(--surface-2); }
.status-facts_confirmed { border-color: var(--primary-dim); color: var(--primary); background: var(--primary-tint); }
.status-letter_generated,
.status-in_progress { border-color: var(--accent-dim); color: var(--accent); background: var(--accent-tint); }
.status-resolved { border-color: var(--success); color: var(--success); background: rgba(127,166,91,0.14); }

/* ---------------------------- Forms ---------------------------- */

.form-card { max-width: 640px; }
.field-hint { color: var(--muted-2); font-size: 0.78rem; margin: 2px 0 0; }
.form-error { margin-top: 4px; }

/* ---------------------------- Case detail ---------------------------- */

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.back-link {
  display: inline-block;
  color: var(--muted-2);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.back-link:hover { color: var(--primary); }
.case-header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.case-header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.case-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .case-grid { grid-template-columns: 1fr; }
}
.case-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section-card { }
.card-title { font-size: 1.15rem; margin-bottom: 16px; }

.generate-btn { margin-top: 4px; }

.empty-state-inline {
  padding: 32px 20px;
}

/* ---------------------------- Loading / spinners ---------------------------- */

.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 100px 20px;
  color: var(--muted);
  text-align: center;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(242, 239, 230, 0.35);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  vertical-align: middle;
  flex-shrink: 0;
}
.spinner-lg {
  width: 34px;
  height: 34px;
  border-width: 3px;
  color: var(--primary);
}
.btn .spinner {
  margin-right: 2px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------------------------- Timeline ---------------------------- */

.countdown-banner {
  display: flex;
  align-items: baseline;
  gap: 6px;
  background: var(--primary-tint);
  border: 1px solid var(--primary-dim);
  color: var(--primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 18px;
  font-size: 0.95rem;
}
.countdown-banner.overdue {
  background: var(--accent-tint);
  border-color: var(--accent-dim);
  color: var(--accent);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.timeline-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border-soft);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-item input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  flex-shrink: 0;
  cursor: pointer;
}
.timeline-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
}
.timeline-step { font-weight: 700; }
.timeline-desc { color: var(--muted); font-size: 0.88rem; }
.timeline-date { color: var(--muted-2); font-size: 0.8rem; }
.timeline-item.completed .timeline-step,
.timeline-item.completed .timeline-desc {
  text-decoration: line-through;
  color: var(--muted-2);
}

/* ---------------------------- Letters ---------------------------- */
.timeline-delete-btn {
  color: var(--muted-2);
  padding: 2px 8px;
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}
.timeline-delete-btn:hover { color: var(--danger); background: rgba(228,99,74,0.1); }
.add-step-btn { margin-top: 12px; }

.timeline-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-shrink: 0;
}
.timeline-edit-btn {
  color: var(--muted-2);
  padding: 2px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.timeline-edit-btn:hover { color: var(--primary); background: var(--primary-tint); }

/* ---------------------------- Upcoming Deadlines (Dashboard) ---------------------------- */

.upcoming-card { margin-bottom: 20px; }
.upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.upcoming-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--border-soft);
}
.upcoming-item:last-child { border-bottom: none; }
.upcoming-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--text);
  min-width: 0;
}
.upcoming-step { font-weight: 700; font-size: 0.92rem; }
.upcoming-case { color: var(--muted-2); font-size: 0.8rem; }
.upcoming-days {
  flex-shrink: 0;
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--primary);
  background: var(--primary-tint);
  border: 1px solid var(--primary-dim);
  border-radius: 999px;
  padding: 3px 10px;
}
.upcoming-item.overdue .upcoming-days {
  color: var(--accent);
  background: var(--accent-tint);
  border-color: var(--accent-dim);
}

/* ---------------------------- Case Notes ---------------------------- */

.notes-textarea { min-height: 140px; }
.notes-saved-tag {
  display: inline-block;
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: 6px;
}

/* ---------------------------- Letters ---------------------------- */

/* ---------------------------- Letters ---------------------------- */

.letters-header { display: flex; align-items: center; justify-content: space-between; }
.followup-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.followup-select { max-width: 220px; }

.letters-list { margin-top: 4px; }
.letter-item {
  cursor: pointer;
  border: none;
  outline: none;
}
.letter-item:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.letter-arrow { color: var(--muted-2); flex-shrink: 0; }
.letter-item:hover .letter-arrow { color: var(--primary); }
.letter-delete-btn {
  color: var(--muted-2);
  padding: 2px 8px;
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}
.letter-delete-btn:hover { color: var(--danger); background: rgba(228,99,74,0.1); }

.letter-textarea {
  min-height: 320px;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.citations-block {
  margin-top: 18px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.citations-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 8px;
}
.citations-list { display: flex; flex-direction: column; gap: 6px; }
.citations-list li {
  color: var(--muted);
  font-size: 0.88rem;
  padding-left: 14px;
  position: relative;
}
.citations-list li::before {
  content: "\00a7";
  position: absolute;
  left: 0;
  color: var(--primary);
}

.disclaimer-line {
  color: var(--muted-2);
  font-size: 0.8rem;
  font-style: italic;
  margin: 16px 0 0;
}

.rewrite-row { margin: 4px 0 0; }

/* ---------------------------- Case Strength Check ---------------------------- */

.strength-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.strength-badge {
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  border: 1px dashed transparent;
}
.strength-strong { background: rgba(127,166,91,0.16); color: var(--success); border-color: var(--success); }
.strength-moderate { background: var(--primary-tint); color: var(--primary); border-color: var(--primary-dim); }
.strength-weak { background: var(--accent-tint); color: var(--accent); border-color: var(--accent-dim); }
.strength-score {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 700;
}
.strength-subtitle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 16px 0 8px;
}
.strength-flags,
.recommendations-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.flag-item {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.flag-item strong { color: var(--accent); font-size: 0.9rem; }
.flag-item span { color: var(--muted); font-size: 0.85rem; }
.recommendations-list li {
  color: var(--muted);
  font-size: 0.88rem;
  padding-left: 14px;
  position: relative;
}
.recommendations-list li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  color: var(--primary);
}

.badge-strength {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  width: fit-content;
  margin-top: 2px;
  border: 1px dashed transparent;
}
.badge-strength.strength-strong { background: rgba(127,166,91,0.16); color: var(--success); border-color: var(--success); }
.badge-strength.strength-moderate { background: var(--primary-tint); color: var(--primary); border-color: var(--primary-dim); }
.badge-strength.strength-weak { background: var(--accent-tint); color: var(--accent); border-color: var(--accent-dim); }

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
  flex-wrap: wrap;
}

/* ---------------------------- Account ---------------------------- */

/* ---------------------------- Promo popup ---------------------------- */

.promo-badge { margin-bottom: 14px; }
.promo-copy { margin: 0 0 4px; }

.account-info { display: flex; flex-direction: column; gap: 14px; }
.account-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}
.account-row:last-child { border-bottom: none; padding-bottom: 0; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}
.stat strong { font-size: 1.6rem; font-family: var(--font-serif); color: var(--primary); }
.stat span { color: var(--muted-2); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }

.danger-zone { max-width: 640px; }

/* ---------------------------- Modal switch link ---------------------------- */

.modal-switch {
  text-align: center;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.88rem;
}
.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

/* ---------------------------- Toasts ---------------------------- */

.toast-host {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  color: var(--text);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  max-width: 320px;
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.toast.show {
  opacity: 1;
  transform: translateX(0);
}
.toast-error {
  border-left-color: var(--accent);
}

/* ---------------------------- Misc responsive ---------------------------- */

@media (max-width: 760px) {
  .app-header-inner {
    flex-wrap: wrap;
    padding: 12px 16px;
  }
  .app-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 2px;
  }
  .app-user-menu { margin-left: auto; }
  .case-header {
    flex-direction: column;
  }
  .case-header-right {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .filter-bar {
    flex-direction: column;
  }
  .filter-select {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .app-main { padding: 28px 14px 60px; }
  .page-title { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .case-header-actions {
    justify-content: flex-start;
  }
}

/* ---------------------------- Feedback widget ---------------------------- */

.feedback-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--primary-dim);
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.feedback-fab:hover {
  background: var(--primary-tint);
  border-color: var(--primary);
  transform: translateY(-2px);
}

@media (max-width: 480px) {
  .feedback-fab {
    right: 14px;
    bottom: 14px;
    padding: 10px 14px;
    font-size: 0.8rem;
  }
}

/* ---------------------------- Dashboard primary CTA ---------------------------- */

.dashboard-primary-cta {
  margin-bottom: 24px;
  text-align: center;
}

/* ---------------------------- Collapsible optional field sections ---------------------------- */

.field-section {
  margin: 4px 0 18px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  overflow: hidden;
}
.field-section summary {
  cursor: pointer;
  list-style: none;
  padding: 13px 16px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.field-section summary::-webkit-details-marker { display: none; }
.field-section summary::after {
  content: "+";
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.field-section[open] summary::after { content: "\2013"; }
.field-section[open] summary { border-bottom: 1px solid var(--border-soft); }
.field-section-body { padding: 14px 16px 4px; }
.field-section-body .field:last-child { margin-bottom: 0; }

/* ---------------------------- Sticky mobile submit ---------------------------- */

@media (max-width: 768px) {
  .form.has-sticky-submit { padding-bottom: 82px; }
  .form.has-sticky-submit .sticky-submit-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 55;
    display: flex;
    justify-content: center;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
    background: rgba(28, 33, 23, 0.96);
    backdrop-filter: saturate(140%) blur(6px);
    border-top: 1px solid var(--border-soft);
    box-shadow: 0 -6px 18px rgba(0,0,0,0.35);
  }
  .form.has-sticky-submit .sticky-submit-bar .btn {
    max-width: 640px;
    width: 100%;
    margin: 0;
  }
}