/* LetterCraft — senior-friendly, offline-first UI */

:root {
  --accent: #1b4d5c;
  --accent-hover: #143a46;
  --accent-soft: #e6f1f4;
  --accent-mid: #2a6f82;
  --danger: #a32020;
  --danger-soft: #fdecec;
  --warn: #8a5a00;
  --warn-soft: #fff4db;
  --ok: #1a6b4a;
  --ok-soft: #e6f4ed;
  --text: #1a1f28;
  --text-muted: #4a5568;
  --border: #c5cdd9;
  --surface: #ffffff;
  --bg: #f3f0ea;
  --paper: #fffdf8;
  --paper-line: #e8e0d4;
  --shadow: 0 2px 10px rgba(26, 31, 40, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --touch: 48px;
  --max: 720px;
  --space: 1rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* Header */
.app-header {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  font-size: 1.75rem;
  line-height: 1;
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 12px;
  color: var(--accent);
}

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.tagline {
  margin: 0.1rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 0.5rem;
}

/* Tabs */
.tab-nav {
  display: flex;
  gap: 0.25rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.5rem 0.75rem;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}

/* Keep tabs under sticky header: recalculate via simple relative layout */
.app-header + .tab-nav {
  position: sticky;
  top: 0;
  z-index: 45;
}

.tab {
  flex: 1 1 auto;
  min-height: var(--touch);
  min-width: 4.5rem;
  padding: 0.5rem 0.65rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}

.tab:hover {
  background: var(--surface);
  color: var(--text);
}

.tab.active,
.tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.tab:focus-visible {
  outline: 3px solid var(--accent-mid);
  outline-offset: 2px;
}

/* Main */
#main {
  flex: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.panel-title {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  color: var(--text);
  line-height: 1.25;
}

.panel-lead {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
  color: var(--accent);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-head h3 {
  margin: 0;
}

.sample-card {
  border-color: #c9b99a;
  background: linear-gradient(180deg, #fffdf8 0%, #fff 60%);
}

/* Stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 560px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-height: 7rem;
}

.stat-card.stat-primary {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.stat-card.stat-accent {
  border-color: #9a7b4f;
  background: #faf6ef;
}

.stat-label {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.stat-value {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}

.stat-link {
  margin-top: auto;
  align-self: flex-start;
  min-height: 44px;
  padding: 0.35rem 0;
  border: none;
  background: none;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.stat-link:hover {
  color: var(--accent-hover);
}

.stat-link:focus-visible {
  outline: 3px solid var(--accent-mid);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 0.55rem 1.1rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn:focus-visible {
  outline: 3px solid var(--accent-mid);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

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

.btn-secondary {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--accent);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--accent-soft);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: #861a1a;
}

.btn-text {
  background: transparent;
  color: var(--accent);
  border-color: transparent;
  min-width: auto;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.btn-text:hover:not(:disabled) {
  background: var(--accent-soft);
}

.btn-mic[aria-pressed="true"] {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.btn-row.wrap {
  flex-wrap: wrap;
}

.btn-row:first-child {
  margin-top: 0;
}

/* Forms */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.85rem;
}

.field-grow {
  flex: 1 1 12rem;
}

.field label {
  font-weight: 600;
  color: var(--text);
  font-size: 1rem;
}

.optional {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="search"],
.field select,
.field textarea {
  min-height: var(--touch);
  padding: 0.55rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  width: 100%;
}

.field textarea {
  min-height: 8rem;
  resize: vertical;
  line-height: 1.55;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(27, 77, 92, 0.2);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #7a8494;
}

.checkbox-field {
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
}

.checkbox-field input[type="checkbox"] {
  width: 1.4rem;
  height: 1.4rem;
  min-width: 1.4rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-row .field {
  flex: 1 1 10rem;
  margin-bottom: 0.65rem;
}

.filters .field:first-child {
  margin-bottom: 0.5rem;
}

.contact-pick-row {
  margin-top: 0;
  align-items: stretch;
}

.contact-pick-row select {
  flex: 1 1 12rem;
  min-height: var(--touch);
  padding: 0.55rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  background: var(--surface);
}

.hint {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.status-msg {
  margin: 0.5rem 0 0;
  color: var(--accent);
  font-weight: 600;
  min-height: 1.4em;
}

.list-meta {
  margin: 0 0 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
}

.empty-msg {
  margin: 0.5rem 0 0;
  color: var(--text-muted);
  font-size: 1rem;
  padding: 0.75rem;
  background: #f7f5f1;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
}

/* How-to */
.howto-list {
  margin: 0 0 0.75rem;
  padding-left: 1.35rem;
}

.howto-list li {
  margin-bottom: 0.55rem;
}

/* Item lists */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.item-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: left;
  width: 100%;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.item-card:hover {
  border-color: var(--accent-mid);
}

.item-card:focus-visible {
  outline: 3px solid var(--accent-mid);
  outline-offset: 2px;
}

.item-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.4rem;
}

.item-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}

.item-meta {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.item-preview {
  margin: 0;
  color: var(--text);
  font-size: 0.98rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.item-actions .btn {
  min-height: 44px;
  padding: 0.4rem 0.8rem;
  font-size: 0.95rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid #b7d0d8;
  white-space: nowrap;
}

.badge-draft {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: #e0c98a;
}

.badge-ready {
  background: var(--ok-soft);
  color: var(--ok);
  border-color: #9ecfb8;
}

.badge-sent {
  background: #eef0f4;
  color: #3d4656;
  border-color: #c5cdd9;
}

.badge-sample {
  background: #f5efe4;
  color: #6b5344;
  border-color: #d4c4a8;
}

.badge-fav {
  background: #fff0f0;
  color: #9b2c2c;
  border-color: #f0c0c0;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* Chips (contacts on home) */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 2px solid var(--border);
  background: var(--surface);
  font: inherit;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.chip:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.chip:focus-visible {
  outline: 3px solid var(--accent-mid);
  outline-offset: 2px;
}

/* Message preview / paper */
.message-preview,
.letter-paper {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.35rem;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.preview-date {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.95rem;
}

.preview-salutation {
  margin: 0 0 0.85rem;
  font-weight: 600;
}

.preview-body {
  margin: 0 0 1rem;
  white-space: pre-wrap;
}

.preview-body p {
  margin: 0 0 0.85rem;
}

.preview-closing {
  margin: 0 0 0.15rem;
}

.preview-signature {
  margin: 0;
  font-weight: 600;
}

.preview-card .card-head {
  margin-bottom: 0.75rem;
}

/* Bars (insights) */
.bar-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 7.5rem 1fr 2.5rem;
  gap: 0.5rem;
  align-items: center;
}

.bar-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.bar-track {
  height: 1.1rem;
  background: #e8ecef;
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  min-width: 0;
}

.bar-count {
  text-align: right;
  font-weight: 700;
  color: var(--text-muted);
}

.tips-list {
  margin: 0;
  padding-left: 1.25rem;
}

.tips-list li {
  margin-bottom: 0.5rem;
}

/* Contact list items */
.contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fafbfc;
}

.contact-item h4 {
  margin: 0;
  font-size: 1.05rem;
}

.contact-item p {
  margin: 0.15rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-list {
  margin-top: 1rem;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  z-index: 200;
  max-width: min(92vw, 28rem);
  padding: 0.85rem 1.15rem;
  background: var(--text);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  text-align: center;
}

/* Dialogs */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 28, 36, 0.55);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.dialog-backdrop[hidden] {
  display: none;
}

.dialog {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  max-width: 28rem;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
}

.dialog-wide {
  max-width: 36rem;
}

.dialog h2 {
  margin: 0 0 0.65rem;
  font-size: 1.3rem;
  color: var(--accent);
}

.dialog p {
  margin: 0 0 1rem;
  color: var(--text);
}

.dialog-actions {
  margin-top: 0.5rem;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

/* Footer */
.app-footer {
  margin-top: auto;
  padding: 1.15rem 1rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.app-footer p {
  margin: 0;
  font-size: 0.95rem;
}

/* Print root (hidden on screen) */
.print-root {
  display: none;
}

/* Mic row */
.mic-row {
  margin-bottom: 0.75rem;
}

/* Craft actions sticky-ish feel */
.craft-actions {
  position: sticky;
  bottom: 0.5rem;
  z-index: 10;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* Print stylesheet */
@media print {
  body * {
    visibility: hidden;
  }

  .print-root,
  .print-root * {
    visibility: visible;
  }

  .print-root {
    display: block !important;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    padding: 0.5in;
    font-family: var(--font-serif);
    font-size: 12pt;
    line-height: 1.6;
    color: #000;
    background: #fff;
  }

  .print-root .print-date {
    margin-bottom: 1.25em;
    font-family: var(--font);
    font-size: 11pt;
  }

  .print-root .print-salutation {
    margin-bottom: 1em;
    font-weight: 600;
  }

  .print-root .print-body {
    white-space: pre-wrap;
    margin-bottom: 1.25em;
  }

  .print-root .print-body p {
    margin: 0 0 0.9em;
  }

  .print-root .print-closing {
    margin: 0 0 0.15em;
  }

  .print-root .print-signature {
    margin: 0;
    font-weight: 600;
  }

  .app-header,
  .tab-nav,
  #main,
  .app-footer,
  .toast,
  .dialog-backdrop {
    display: none !important;
  }
}