/* =============================================================
   Local Content Router — Styles
   Mobile-first, system font, dark/light adaptive
   ============================================================= */

/* ── Custom Properties ── */
:root {
  /* Neutral palette */
  --bg:           #f5f5f7;
  --surface:      #ffffff;
  --surface-2:    #f0f0f5;
  --border:       #e0e0ea;
  --text:         #1a1a2e;
  --text-muted:   #6b6b88;

  /* Brand */
  --primary:        #6366f1;
  --primary-hover:  #4f52d9;
  --primary-fg:     #ffffff;
  --primary-light:  rgba(99, 102, 241, 0.12);

  /* Semantic */
  --success:      #16a34a;
  --warning-bg:   #fef9c3;
  --warning-text: #92400e;
  --info-bg:      #e0f2fe;
  --info-text:    #0369a1;
  --danger:       #dc2626;
  --danger-hover: #b91c1c;

  /* Category accent colours */
  --cat-work:       #3b82f6;
  --cat-work-bg:    rgba(59, 130, 246, 0.10);
  --cat-personal:   #16a34a;
  --cat-personal-bg:rgba(22, 163, 74, 0.10);
  --cat-health:     #dc2626;
  --cat-health-bg:  rgba(220, 38, 38, 0.10);
  --cat-finance:    #d97706;
  --cat-finance-bg: rgba(217, 119, 6, 0.10);
  --cat-education:  #7c3aed;
  --cat-education-bg:rgba(124, 58, 237, 0.10);
  --cat-ignore:     #9ca3af;
  --cat-ignore-bg:  rgba(156, 163, 175, 0.08);
  --cat-other:      #6b7280;
  --cat-other-bg:   rgba(107, 114, 128, 0.10);

  /* Layout */
  --header-h: 56px;
  --radius:   12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --gap:      16px;
  --font:     -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono:     ui-monospace, 'SF Mono', Menlo, monospace;
  --shadow:   0 1px 3px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.06);
  --shadow-md:0 4px 16px rgba(0,0,0,.10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #0f0f13;
    --surface:     #1a1a24;
    --surface-2:   #252535;
    --border:      #333348;
    --text:        #e8e8f0;
    --text-muted:  #9090aa;
    --warning-bg:  #3d2e00;
    --warning-text:#fbbf24;
    --info-bg:     #0c2333;
    --info-text:   #7dd3fc;
    --shadow:      0 1px 3px rgba(0,0,0,.3), 0 2px 8px rgba(0,0,0,.25);
    --shadow-md:   0 4px 16px rgba(0,0,0,.35);
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ── App Shell ── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ── Header ── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gap);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
}
.brand-icon { font-size: 1.2rem; }

.screen-nav {
  display: flex;
  gap: 4px;
}
.nav-btn {
  padding: 6px 14px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.nav-btn:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--text);
}
.nav-btn.active {
  background: var(--primary-light);
  color: var(--primary);
}
.nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ── Screens ── */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.15s ease;
}
.screen[hidden] { display: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

.screen-body {
  flex: 1;
  padding: var(--gap);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

/* ── Input Screen ── */
.input-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}
.spacer { flex: 1; }

.transcript-textarea {
  flex: 1;
  min-height: 240px;
  resize: vertical;
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.9375rem;
  line-height: 1.6;
  transition: border-color 0.15s;
}
.transcript-textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.transcript-textarea::placeholder { color: var(--text-muted); }

.input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.mic-status { color: var(--danger); }
.mic-status.recording { animation: pulse 1s ease infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Review Screen ── */
.review-toolbar {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px var(--gap);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.review-summary {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

.segments-container {
  padding: var(--gap);
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

/* ── Segment Card ── */
.segment-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s;
}

/* Category left-border accent */
.segment-card[data-category="work"]      { border-left: 4px solid var(--cat-work); }
.segment-card[data-category="personal"]  { border-left: 4px solid var(--cat-personal); }
.segment-card[data-category="health"]    { border-left: 4px solid var(--cat-health); }
.segment-card[data-category="finance"]   { border-left: 4px solid var(--cat-finance); }
.segment-card[data-category="education"] { border-left: 4px solid var(--cat-education); }
.segment-card[data-category="ignore"]    { border-left: 4px solid var(--cat-ignore); opacity: 0.5; }
.segment-card[data-category="other"]     { border-left: 4px solid var(--cat-other); }

.segment-card.sent { opacity: 0.55; }

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.category-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

[data-category="work"]      .category-pill { background: var(--cat-work-bg);      color: var(--cat-work); }
[data-category="personal"]  .category-pill { background: var(--cat-personal-bg);  color: var(--cat-personal); }
[data-category="health"]    .category-pill { background: var(--cat-health-bg);     color: var(--cat-health); }
[data-category="finance"]   .category-pill { background: var(--cat-finance-bg);    color: var(--cat-finance); }
[data-category="education"] .category-pill { background: var(--cat-education-bg);  color: var(--cat-education); }
[data-category="ignore"]    .category-pill { background: var(--cat-ignore-bg);     color: var(--cat-ignore); }
[data-category="other"]     .category-pill { background: var(--cat-other-bg);      color: var(--cat-other); }

.confidence-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dest-select {
  font-size: 0.8125rem;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
}

.card-summary {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.card-text {
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.55;
}
.original-text { color: var(--text-muted); }

.original-details {
  font-size: 0.875rem;
}
.original-details summary {
  cursor: pointer;
  color: var(--text-muted);
  user-select: none;
}

.card-sent-msg {
  font-size: 0.8125rem;
  color: var(--success);
  font-weight: 500;
}

/* PII redaction styling */
.pii-tag {
  display: inline-block;
  background: var(--cat-health-bg);
  color: var(--cat-health);
  border-radius: 4px;
  padding: 0 4px;
  font-size: 0.8125rem;
  font-family: var(--mono);
  font-weight: 600;
}

/* ── Settings Screen ── */
.settings-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.settings-heading {
  font-size: 1rem;
  font-weight: 700;
}
.settings-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: -4px;
}

.routing-rules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.routing-rule-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.routing-rule-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: capitalize;
}
.routing-rule-select {
  font: inherit;
  font-size: 0.875rem;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.toggle-input { display: none; }
.toggle-switch {
  position: relative;
  width: 44px;
  height: 26px;
  background: var(--border);
  border-radius: 999px;
  transition: background 0.2s;
  flex-shrink: 0;
}
.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.25);
  transition: transform 0.2s;
}
.toggle-input:checked + .toggle-switch { background: var(--primary); }
.toggle-input:checked + .toggle-switch::after { transform: translateX(18px); }

.pii-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  cursor: pointer;
}
.check-row input[type="checkbox"] { cursor: pointer; }

.select-input {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.9375rem;
  cursor: pointer;
  width: 100%;
}

.keyword-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.keyword-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.keyword-cat {
  font-size: 0.8125rem;
  font-weight: 700;
  min-width: 70px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.keyword-row .text-input {
  flex: 1;
  font-size: 0.8125rem;
  padding: 8px 10px;
}

.custom-dest-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.text-input {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9375rem;
  transition: border-color 0.15s;
}
.text-input:focus {
  outline: none;
  border-color: var(--primary);
}

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s, transform 0.1s;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary   { background: var(--primary);    color: var(--primary-fg); }
.btn-primary:hover:not(:disabled)  { background: var(--primary-hover); }

.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }

.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }

.btn-icon { padding: 8px 12px; border-radius: var(--radius-sm); background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-icon:hover:not(:disabled) { background: var(--border); }
.btn-icon-glyph { font-size: 1.1em; }

.btn-lg { padding: 14px 24px; font-size: 1.0625rem; border-radius: var(--radius-lg); width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 0.8125rem; border-radius: var(--radius-sm); }

/* ── Banners ── */
.banner {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.banner[hidden] { display: none; }
.banner-warning { background: var(--warning-bg); color: var(--warning-text); }
.banner-info    { background: var(--info-bg);    color: var(--info-text); }

.processing-dots {
  display: flex;
  gap: 4px;
}
.processing-dots span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: bounce 1.2s ease infinite;
}
.processing-dots span:nth-child(2) { animation-delay: 0.2s; }
.processing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-6px); }
}

/* ── Loading Overlay ── */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gap);
}
.loading-overlay[hidden] { display: none; }

.loading-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.loading-icon { font-size: 2.5rem; }
.loading-card h2 { font-size: 1.25rem; }
#loading-status { color: var(--text-muted); font-size: 0.9375rem; }

.progress-bar {
  height: 8px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  transition: width 0.3s ease;
  width: 0%;
}
.loading-detail {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Responsive ── */
@media (min-width: 600px) {
  .routing-rules-grid { grid-template-columns: 1fr 1fr 1fr; }
  .pii-options { grid-template-columns: 1fr 1fr 1fr; }
}