/* ═══════════════════════════════════════════════════════
   Escribir — Design System "Warm Midnight"
   Basado en The Digital Heirloom / Literary Sanctuary
   ═══════════════════════════════════════════════════════ */

:root {
  --base: #151311;
  --surface: #1d1b19;
  --surface-card: #211f1d;
  --surface-elevated: #2c2927;
  --surface-highest: #373432;
  --surface-lowest: #100e0c;
  --primary: #a78bfa;
  --primary-dim: rgba(167, 139, 250, 0.12);
  --primary-glow: rgba(167, 139, 250, 0.25);
  --primary-text: #cebdff;
  --secondary: #ffc640;
  --secondary-dim: rgba(255, 198, 64, 0.12);
  --tertiary: #ffb77d;
  --success: #4ade80;
  --error: #ef4444;
  --on-surface: #e7e1de;
  --on-surface-variant: #a8a4a0;
  --on-surface-dim: #8f897f; /* subido de #6b6865: ~3:1 no pasaba AA sobre --base; ahora ~5:1 */
  --outline: rgba(255, 255, 255, 0.06);
  --font-creative: 'Newsreader', Georgia, serif;
  --font-functional: 'Inter', -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --kb-height: 0px; /* alto del teclado en iOS, lo setea setupKeyboardInsets() */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-creative);
  background: var(--base);
  background-image: radial-gradient(circle at center, var(--surface) 0%, var(--base) 100%);
  color: var(--on-surface);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(167, 139, 250, 0.3); color: #fff; }

/* ── Material Symbols (fuente local, sin dependencia externa) ─ */
@font-face {
  font-family: 'Material Symbols Outlined';
  font-style: normal;
  font-weight: 100 700;
  font-display: block;
  src: url('/fonts/material-symbols.woff2') format('woff2');
}
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ── Typography ────────────────────────────────────── */
.font-creative { font-family: var(--font-creative); }
.font-functional { font-family: var(--font-functional); }
.headline-xl { font-family: var(--font-creative); font-size: 3.5rem; font-weight: 200; font-style: italic; letter-spacing: -0.02em; line-height: 1.1; }
.headline-lg { font-family: var(--font-creative); font-size: 2rem; font-weight: 300; font-style: italic; letter-spacing: -0.01em; }
.headline-md { font-family: var(--font-creative); font-size: 1.5rem; font-weight: 400; }
.body-lg { font-family: var(--font-creative); font-size: 1.125rem; line-height: 1.8; letter-spacing: 0.012em; }
.body-md { font-family: var(--font-creative); font-size: 1rem; line-height: 1.7; }
.label-md { font-family: var(--font-functional); font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 600; }
.label-sm { font-family: var(--font-functional); font-size: 0.5625rem; text-transform: uppercase; letter-spacing: 0.12em; }

/* ── Cards (no borders — tonal separation) ─────────── */
.card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: background 0.3s;
}
.card:hover { background: var(--surface-elevated); }
.card-glass {
  background: rgba(167, 139, 250, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

/* ── Buttons ───────────────────────────────────────── */
.btn {
  font-family: var(--font-functional);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn:active { transform: scale(0.96); }
.btn-primary {
  background: var(--primary);
  color: #1a0a3e;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-full);
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary {
  background: var(--surface-elevated);
  color: var(--on-surface);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg);
}
.btn-secondary:hover { background: var(--surface-highest); }
.btn-ghost {
  background: none;
  color: var(--on-surface-variant);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
}
.btn-ghost:hover { color: var(--primary); }
.btn-icon {
  background: var(--surface-elevated);
  color: var(--on-surface);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-icon:hover { background: var(--surface-highest); color: var(--primary); }

/* ── Inputs ────────────────────────────────────────── */
.input-invisible {
  background: none;
  border: none;
  color: var(--on-surface);
  font-family: var(--font-creative);
  font-size: 1rem;
  outline: none;
  width: 100%;
  caret-color: var(--secondary);
}
.input-invisible::placeholder { color: var(--on-surface-dim); }
.input-underline {
  background: none;
  border: none;
  border-bottom: 1px solid var(--surface-highest);
  color: var(--on-surface);
  font-family: var(--font-creative);
  font-size: 1.125rem;
  padding: 0.75rem 0.25rem;
  outline: none;
  width: 100%;
  transition: border-color 0.3s;
}
.input-underline:focus { border-color: var(--primary); }
textarea.editor-canvas {
  background: transparent;
  border: none;
  color: var(--on-surface);
  font-family: var(--font-creative);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.8;
  width: 100%;
  min-height: 60vh;
  resize: none;
  outline: none;
  caret-color: var(--secondary);
  scrollbar-width: none;
}
textarea.editor-canvas::-webkit-scrollbar { display: none; }
textarea.editor-canvas::placeholder { color: rgba(231, 225, 222, 0.4); }

/* ── Badges ────────────────────────────────────────── */
.badge {
  font-family: var(--font-functional);
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
}
.badge-primary { background: var(--primary-dim); color: var(--primary); }
.badge-secondary { background: var(--secondary-dim); color: var(--secondary); }
.badge-success { background: rgba(74, 222, 128, 0.12); color: var(--success); }
.badge-tertiary { background: rgba(255, 183, 125, 0.12); color: var(--tertiary); }
.badge-ghost { background: var(--surface-highest); color: var(--on-surface-variant); }
.badge-ai {
  background: rgba(167, 139, 250, 0.15);
  color: var(--primary);
  border: 1px dashed rgba(167, 139, 250, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.badge-ai .material-symbols-outlined { font-size: 0.625rem; }

/* ── Status badges ─────────────────────────────────── */
.status-idea { background: var(--surface-highest); color: var(--on-surface-variant); }
.status-outline { background: rgba(96, 165, 250, 0.12); color: #60a5fa; }
.status-borrador { background: var(--secondary-dim); color: var(--secondary); }
.status-revision { background: var(--primary-dim); color: var(--primary); }
.status-final { background: rgba(74, 222, 128, 0.12); color: var(--success); }

/* ── Navigation ────────────────────────────────────── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0.5rem 1.5rem calc(0.5rem + var(--safe-bottom));
  background: rgba(29, 27, 25, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  z-index: 100;
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  min-height: 44px; /* HIG: target táctil mínimo en el control más usado */
  min-width: 44px;
  box-sizing: border-box;
  color: var(--on-surface-dim);
  text-decoration: none;
  transition: color 0.2s;
  cursor: pointer;
  border: none;
  background: none;
  position: relative;
}
.nav-item span.label { font-family: var(--font-functional); font-size: 0.5625rem; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.25rem; }
.nav-item.active { color: var(--primary); background: var(--primary-dim); border-radius: var(--radius-full); padding: 0.625rem 0.75rem; }
.nav-item:not(.active):hover { color: var(--secondary); }
.nav-spacer { display: none; }
.nav-item-logout { display: none; }

/* ── Book selector ────────────────────────────────── */
.book-selector {
  display: none;
}
.book-selector-mobile {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-md);
  background: var(--surface-card);
  border: none;
  color: var(--on-surface);
  font-family: var(--font-creative);
  font-size: 0.875rem;
  font-style: italic;
}
.book-selector-mobile .material-symbols-outlined { font-size: 0.875rem; color: var(--on-surface-dim); }
.nav-badge {
  position: absolute;
  top: 0;
  right: -2px;
  background: var(--error);
  color: #fff;
  font-family: var(--font-functional);
  font-size: 0.5rem;
  font-weight: 700;
  min-width: 14px;
  height: 14px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}

/* ── Header ────────────────────────────────────────── */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(1rem + var(--safe-top)) 1.5rem 1rem;
  position: sticky;
  top: 0;
  background: var(--base);
  z-index: 50;
}
.app-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.app-logo .avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-creative);
  font-style: italic;
  font-weight: 700;
  color: #1a0a3e;
  font-size: 0.875rem;
}
.app-logo h1 {
  font-family: var(--font-creative);
  font-style: italic;
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--on-surface);
}

/* ── Views & Layout ────────────────────────────────── */
.view { display: none; padding: 0 1.5rem 7rem; }
.view.active { display: block; }
.view-writing { padding: 0; }
.view-writing.active {
  display: flex; flex-direction: column; min-height: 100dvh;
  /* el editor reserva el alto del teclado para que el cursor no quede tapado (iPhone) */
  padding-bottom: var(--kb-height, 0px);
  /* matar el pull-to-refresh que recarga y arriesga el borrador */
  overscroll-behavior: contain;
}
textarea.editor-canvas { overscroll-behavior: contain; }

.section-title {
  font-family: var(--font-functional);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--on-surface-variant);
  margin-bottom: 0.75rem;
}

/* ── Section divider (breathing room) ─────────────── */
.section-gap { margin-top: 2rem; margin-bottom: 0.75rem; }
.section-gap-sm { margin-top: 1.25rem; margin-bottom: 0.5rem; }

/* ── Progress bar ──────────────────────────────────── */
.progress-bar {
  height: 4px;
  background: var(--surface-highest);
  border-radius: 2px;
  overflow: hidden;
}
.progress-bar .fill {
  height: 100%;
  background: var(--secondary);
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* ── Fragment cards ────────────────────────────────── */
.fragment-card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.375rem;
  cursor: pointer;
  transition: background 0.3s;
}
.fragment-card:hover { background: var(--surface-elevated); }
.fragment-card.selected { outline: 2px solid var(--primary); background: var(--primary-dim); }
.fragment-text {
  font-family: var(--font-creative);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--on-surface);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 0.25rem;
}
.fragment-meta { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-top: 0.875rem; }

/* ── Chapter cards ─────────────────────────────────── */
.chapter-card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  cursor: pointer;
  transition: background 0.3s;
  position: relative;
}
.chapter-card:hover { background: var(--surface-elevated); }
.chapter-number {
  font-family: var(--font-creative);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(231, 225, 222, 0.05);
  position: absolute;
  top: -0.5rem;
  left: 0.5rem;
}

/* ── AI Companion Card ─────────────────────────────── */
.ai-card {
  background: rgba(167, 139, 250, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
}
.ai-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

/* ── Modal ─────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: flex-end;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background: var(--surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 92vh;
  overflow-y: auto;
  padding: 1.5rem;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
.modal-handle {
  width: 2rem;
  height: 0.25rem;
  background: var(--surface-highest);
  border-radius: 2px;
  margin: 0 auto 0.75rem;
  cursor: grab;
}

/* ── Writing mode floating bar ─────────────────────── */
.writing-bar {
  position: fixed;
  /* sube con el teclado para quedar siempre accesible (iPhone) */
  bottom: calc(1rem + var(--safe-bottom) + var(--kb-height, 0px));
  transition: bottom 0.2s ease;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  background: rgba(29, 27, 25, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-full);
  z-index: 90;
}
.writing-bar .divider {
  width: 1px;
  height: 1rem;
  background: rgba(255, 255, 255, 0.08);
  margin: 0 0.375rem;
}

/* ── Audio player ──────────────────────────────────── */
.audio-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--surface-card);
  border-radius: var(--radius-lg);
}
.audio-progress {
  flex: 1;
  height: 3px;
  background: var(--surface-highest);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
}
.audio-progress .fill {
  height: 100%;
  background: var(--primary);
  transition: width 0.1s linear;
}
.recording-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(239, 68, 68, 0.12);
  border-radius: var(--radius-md);
  color: var(--error);
  font-family: var(--font-functional);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.recording-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--error);
  animation: pulse 1s infinite;
}

/* ── Modo Poderoso cards ───────────────────────────── */
.modo-card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  min-width: 105px;
  flex-shrink: 0;
}
.modo-card:hover { background: var(--surface-elevated); }
.modo-card:active { transform: scale(0.96); }
.modo-card .icon { font-size: 1.75rem; margin-bottom: 0.375rem; }
.modo-card .name { font-family: var(--font-functional); font-size: 0.6875rem; font-weight: 600; }

/* ── Filter pills ──────────────────────────────────── */
.filters {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}
.filters::-webkit-scrollbar { display: none; }
.filter-pill {
  font-family: var(--font-functional);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background: var(--surface-elevated);
  color: var(--on-surface-variant);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.filter-pill.active { background: var(--primary); color: #1a0a3e; }
.filter-pill:not(.active):hover { color: var(--on-surface); }

/* ── Grain texture overlay ─────────────────────────── */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.03;
  z-index: 999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-highest); border-radius: 2px; }

/* ── Utility ───────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 0.75rem; }
.gap-lg { gap: 1rem; }
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mt-lg { margin-top: 1.5rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }
.mb-lg { margin-bottom: 1.5rem; }
.text-variant { color: var(--on-surface-variant); }
.text-dim { color: var(--on-surface-dim); }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-center { text-align: center; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Tablet ────────────────────────────────────────── */
@media (min-width: 768px) {
  .view { max-width: 720px; margin: 0 auto; }
  .headline-xl { font-size: 4rem; }
  .bottom-nav { max-width: 500px; left: 50%; transform: translateX(-50%); border-radius: var(--radius-xl); bottom: 1rem; }
  .modal-content { border-radius: var(--radius-xl); max-height: 80vh; }
  .modal-overlay { align-items: center; }
}

/* ── Tooltips ──────────────────────────────────────── */
[data-tooltip] {
  position: relative;
}
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-highest);
  color: var(--on-surface);
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  z-index: 300;
  pointer-events: none;
  animation: tooltipIn 0.15s ease;
}
[data-tooltip]:hover::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--surface-highest);
  z-index: 300;
  pointer-events: none;
}
@keyframes tooltipIn { from { opacity: 0; transform: translateX(-50%) translateY(4px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
/* On mobile, no tooltips */
@media (max-width: 767px) {
  [data-tooltip]:hover::after, [data-tooltip]:hover::before { display: none; }
}

/* ── Desktop ───────────────────────────────────────── */
@media (min-width: 1024px) {
  body { display: flex; min-height: 100dvh; }

  /* Sidebar navigation */
  .bottom-nav {
    position: fixed;
    left: 0; top: 0; bottom: 0; right: auto;
    width: 200px;
    max-width: none;
    flex-direction: column;
    justify-content: flex-start;
    padding: 1.25rem 0.75rem;
    gap: 0.125rem;
    border-radius: 0;
    background: var(--surface);
    border-right: 1px solid var(--outline);
    backdrop-filter: none;
    transform: none;
    z-index: 100;
  }
  .bottom-nav::before {
    content: 'Escribir';
    font-family: var(--font-creative);
    font-style: italic;
    font-size: 1.375rem;
    color: var(--on-surface);
    margin-bottom: 0.5rem;
    padding-left: 0.75rem;
  }
  .nav-item {
    flex-direction: row;
    gap: 0.625rem;
    padding: 0.625rem 0.75rem;
    width: 100%;
    border-radius: var(--radius-md);
    justify-content: flex-start;
  }
  .nav-item .material-symbols-outlined { font-size: 1.125rem; }
  .nav-item span.label {
    font-size: 0.6875rem;
    margin-top: 0;
    text-transform: none;
    letter-spacing: 0.02em;
  }
  .nav-item.active {
    border-radius: var(--radius-md);
    padding: 0.625rem 0.75rem;
  }

  /* Main content — centered with good reading width */
  .app-header {
    margin-left: 200px;
    position: sticky;
    top: 0;
    z-index: 50;
    width: calc(100% - 200px);
    max-width: none;
  }
  .view {
    margin-left: 200px;
    max-width: none;
    width: calc(100% - 200px);
    padding: 0 2.5rem 3rem;
    box-sizing: border-box;
  }
  /* Constrain text content for readability */
  .view > section,
  .view > h2,
  .view > p,
  .view > .card,
  .view > .ai-card,
  .view > .filters {
    max-width: 900px;
  }

  /* Writing view */
  .view-writing.active {
    margin-left: 200px;
    max-width: none;
    width: calc(100% - 200px);
  }
  textarea.editor-canvas {
    font-size: 1.375rem;
    max-width: 700px;
    margin: 0 auto;
  }
  .writing-bar {
    left: calc(200px + 50%);
    transform: translateX(-50%);
  }

  /* Modal wider */
  .modal-content {
    max-width: 720px;
    max-height: 85vh;
  }

  /* Fragments in 2-col grid */
  .fragments-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  /* Chapter list wider */
  #chapterList { max-width: 900px; }

  /* Chapter detail — wider draft */
  .view > div { max-width: 900px; }

  /* Capítulo en dos paneles: fragmentos/acciones | borrador (Mac) */
  #view-chapter > div { max-width: 1180px; }
  .chapter-work {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
  }
  .chapter-work-frags {
    position: sticky;
    top: 1.5rem;
    max-height: calc(100dvh - 3rem);
    overflow-y: auto;
    scrollbar-width: thin;
  }
  .chapter-work-draft #chapterDraftArea { min-height: 60dvh; }

  /* Hide header entirely on desktop — sidebar handles navigation */
  .app-header { display: none !important; }

  /* Modo cards: no overflow on desktop so tooltips work */
  .modo-container { overflow-x: visible !important; flex-wrap: wrap; }

  /* Sidebar: push items to bottom */
  .bottom-nav {
    justify-content: flex-start;
  }
  .nav-spacer { flex: 1; display: block; }

  /* Book selector in sidebar */
  .book-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    background: var(--surface-card);
    cursor: pointer;
    border: none;
    color: var(--on-surface);
    width: 100%;
    font-family: var(--font-creative);
    font-size: 0.8125rem;
    font-style: italic;
    transition: background 0.2s;
  }
  .book-selector:hover { background: var(--surface-elevated); }
  .book-selector .material-symbols-outlined { font-size: 1rem; color: var(--on-surface-dim); }
  .book-selector-mobile { display: none; }
  .nav-item-logout {
    opacity: 0.5;
    font-size: 0.625rem;
    display: flex;
  }
  .nav-item-logout:hover { opacity: 1; }
}

/* ── Timeline ─────────────────────────────────────── */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline-epoch {
  border-left: 2px solid var(--surface-highest);
  padding-left: 1rem;
  padding-bottom: 1.5rem;
  position: relative;
}
.timeline-epoch::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--surface-highest);
}
.timeline-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  border-left: none;
}
.timeline-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.timeline-dot {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.timeline-dot:hover {
  transform: scale(1.15);
  box-shadow: 0 0 12px rgba(167, 139, 250, 0.3);
  z-index: 10;
}
.timeline-dot.orphan {
  opacity: 0.7;
}
.timeline-dot.orphan:hover { opacity: 1; }

@media (min-width: 1024px) {
  .timeline-container {
    flex-direction: row;
    gap: 0;
  }
  .timeline-epoch {
    flex: 1;
    border-left: none;
    border-top: 2px solid var(--surface-highest);
    padding-left: 0;
    padding-top: 1rem;
    padding-right: 0.5rem;
    padding-bottom: 0;
  }
  .timeline-epoch::before {
    left: 0;
    top: -5px;
  }
}

/* ── Drag & drop chapters ─────────────────────────── */
.chapter-card[draggable="true"] { cursor: grab; }
.chapter-card[draggable="true"]:active { cursor: grabbing; }
.chapter-card.drag-over {
  outline: 2px dashed var(--primary);
  outline-offset: 2px;
}

/* ── Details element ──────────────────────────────── */
details summary { cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }

/* ── Loading spinner ───────────────────────────────── */
.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--surface-highest);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ───────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--on-surface-dim);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.3; }
.empty-state p { font-family: var(--font-creative); font-style: italic; font-size: 1rem; }

/* ── Toast ────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  font-family: var(--font-functional);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--surface-highest);
  color: var(--on-surface);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: toastIn 0.25s ease, toastOut 0.3s ease 2.5s forwards;
  pointer-events: auto;
  text-align: center;
  max-width: 90vw;
}
.toast.toast-success { background: rgba(74, 222, 128, 0.15); color: var(--success); border: 1px solid rgba(74, 222, 128, 0.2); }
.toast.toast-error { background: rgba(239, 68, 68, 0.15); color: var(--error); border: 1px solid rgba(239, 68, 68, 0.2); }
.toast.toast-ai { background: rgba(167, 139, 250, 0.15); color: var(--primary); border: 1px solid rgba(167, 139, 250, 0.2); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-1rem); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-0.5rem); } }

/* ── Autosave indicator ───────────────────────────── */
.autosave-indicator {
  font-family: var(--font-functional);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface-dim);
  transition: color 0.3s;
}
.autosave-indicator.saving { color: var(--secondary); }
.autosave-indicator.saved { color: var(--success); }
.autosave-indicator.offline { color: var(--error); }

/* Bloque Hoy dentro de Inicio + puente fragmentos→capítulos */
.home-hoy-block { margin: 1rem 0 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
.puente-strip { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.puente-strip .btn { flex: 1; min-width: 12rem; justify-content: center; }

/* Escribir libre: línea de intención + chip de destino */
.write-intencion {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--outline);
  color: var(--on-surface-variant);
  font-family: var(--font-functional);
  font-size: 16px; /* >=16px evita el zoom de iOS al enfocar */
  padding: 0.45rem 0;
  margin-bottom: 0.75rem;
  outline: none;
}
.write-intencion::placeholder { color: var(--on-surface-dim); }
#destinoChip.destino-set { color: var(--primary); }
#destinoChip.destino-set .label-sm { color: var(--primary); }

/* iOS no hace zoom al enfocar inputs si la fuente es >=16px */
.modal-content input,
.modal-content textarea,
.modal-content select { font-size: 16px; }

/* ── Context bar (writing) ────────────────────────── */
.writing-context {
  padding: 0.75rem 1.5rem;
  background: var(--surface-card);
  border-bottom: 1px solid var(--outline);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-functional);
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: background 0.2s;
}
.writing-context:hover { background: var(--surface-elevated); }
.writing-context .material-symbols-outlined { font-size: 0.875rem; color: var(--primary); }

/* ── Status pills ─────────────────────────────────── */
.status-pills {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}
.status-pill {
  font-family: var(--font-functional);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.625rem;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--surface-elevated);
  color: var(--on-surface-variant);
}
.status-pill:hover { background: var(--surface-highest); }
.status-pill.active { border-color: currentColor; }
.status-pill.active[data-status="idea"] { background: var(--surface-highest); color: var(--on-surface-variant); border-color: var(--on-surface-variant); }
.status-pill.active[data-status="outline"] { background: rgba(96,165,250,0.12); color: #60a5fa; border-color: #60a5fa; }
.status-pill.active[data-status="borrador"] { background: var(--secondary-dim); color: var(--secondary); border-color: var(--secondary); }
.status-pill.active[data-status="revision"] { background: var(--primary-dim); color: var(--primary); border-color: var(--primary); }
.status-pill.active[data-status="final"] { background: rgba(74,222,128,0.12); color: var(--success); border-color: var(--success); }

/* ── Smart home card ──────────────────────────────── */
.next-step-card {
  background: linear-gradient(135deg, rgba(167,139,250,0.12) 0%, rgba(255,198,64,0.08) 100%);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(167,139,250,0.15);
}
.next-step-card .step-label {
  font-family: var(--font-functional);
  font-size: 0.5625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* ── Lector pending questions ─────────────────────── */
.lector-question {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 1.125rem 1.25rem;
  border-left: 3px solid transparent;
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
  position: relative;
}
.lector-question:hover {
  background: var(--surface-elevated);
  border-left-color: var(--primary);
}
.lector-question-icon {
  position: absolute;
  top: 0.875rem;
  right: 1rem;
  color: var(--on-surface-dim);
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
  pointer-events: none;
}
.lector-question-icon .material-symbols-outlined { font-size: 1.125rem; }
.lector-question:hover .lector-question-icon { opacity: 1; color: var(--primary); }

/* ── Home hero row + stats inline ─────────────────── */
.hero-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.hero-row .headline-xl { line-height: 1; }
.hero-meta {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-surface-dim);
  flex-wrap: wrap;
}
.hero-meta strong { color: var(--on-surface-variant); font-weight: 600; letter-spacing: 0.08em; }
.hero-meta .hero-divider { opacity: 0.4; }

/* ── Subtle secondary action row ──────────────────── */
.action-row {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.875rem;
  margin-bottom: 1.5rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.action-btn {
  background: none;
  border: none;
  color: var(--on-surface-dim);
  font-family: var(--font-functional);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: color 0.2s, background 0.2s;
}
.action-btn:hover { color: var(--on-surface); background: var(--surface-elevated); }
.action-btn .material-symbols-outlined { font-size: 1rem; }

/* ── Mobile: hero meta wraps under headline ───────── */
@media (max-width: 640px) {
  .hero-row { flex-direction: column; align-items: flex-start; gap: 0.5rem; margin-bottom: 1.5rem; }
  .hero-row .headline-xl { font-size: 2.5rem; }
  .hero-meta { font-size: 0.625rem; gap: 0.5rem; }
  .action-row { justify-content: flex-start; margin-bottom: 1.25rem; }
}

/* ── Modal breathing room ─────────────────────────── */
.modal-content { padding: 1.75rem; }
.modal-content h3 { margin-bottom: 1rem; }
.modal-content .card { margin-bottom: 0.75rem; }

/* ── Publicar (banco de posts) ────────────────────── */
.publicar-resumen {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
.publicar-resumen > div {
  background: var(--surface-card);
  border-radius: 12px;
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.publicar-resumen .num {
  font-family: var(--font-creative);
  font-size: 1.75rem;
  font-weight: 300;
  color: var(--primary-text);
  line-height: 1;
}
.publicar-resumen span:not(.num) {
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-surface-dim);
}
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
/* Chips de Publicar — acotadas a .chip-group para no colisionar con las .chip de Hoy/fragmentos */
.chip-group .chip {
  background: var(--surface-card);
  border: 1px solid transparent;
  color: var(--on-surface-variant);
  font-family: var(--font-functional);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip-group .chip:hover { background: var(--surface-elevated); color: var(--primary-text); }
.chip-group .chip.active {
  background: var(--primary-dim);
  color: var(--primary-text);
  border-color: var(--primary);
}
.publicar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.pub-card {
  background: var(--surface-card);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-left: 3px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}
.pub-card:hover { background: var(--surface-elevated); transform: translateY(-1px); }
.pub-card.estado-draft { border-left-color: #8a7f73; }
.pub-card.estado-listo { border-left-color: #a78bfa; }
.pub-card.estado-publicado { border-left-color: #4ade80; }
.pub-card.estado-archivado { border-left-color: #55504a; opacity: 0.7; }
.pub-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.pub-canal {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-text);
}
.pub-canal .material-symbols-outlined { font-size: 0.95rem; }
.pub-estado {
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface-dim);
}
.pub-hook {
  font-family: var(--font-creative);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--primary-text);
  font-style: italic;
}
.pub-texto {
  font-family: var(--font-creative);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--on-surface-variant);
  white-space: pre-wrap;
}
.pub-fuente {
  font-family: var(--font-functional);
  font-size: 0.75rem;
  color: var(--on-surface-dim);
}
.pub-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.pub-tag {
  background: var(--surface-elevated);
  color: var(--on-surface-variant);
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}
.pub-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.35rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.pub-actions { display: flex; gap: 0.4rem; }
.pub-actions .btn-ghost { padding: 0.5rem; min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; }
.pub-actions .material-symbols-outlined { font-size: 1.1rem; }

.cap-option { transition: background 0.15s ease; }
.cap-option:hover { background: var(--surface-elevated); }
.cap-option input[type="radio"] { accent-color: var(--primary); }

.pub-card { cursor: pointer; }
.pub-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.pub-preview { display: flex; flex-direction: column; gap: 0.85rem; }
.pub-preview-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.pub-preview-body {
  font-family: var(--font-creative);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--on-surface);
  white-space: pre-wrap;
  background: var(--surface-lowest);
  padding: 1.25rem 1.25rem 1.4rem;
  border-radius: 10px;
  border-left: 3px solid var(--primary);
  max-height: 55vh;
  overflow-y: auto;
}
.pub-preview-notas {
  background: var(--surface-elevated);
  border-radius: 8px;
  padding: 0.75rem 0.875rem;
}
.pub-preview-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .publicar-resumen { grid-template-columns: repeat(2, 1fr); }
  .publicar-grid { grid-template-columns: 1fr; }
}

/* ── Hoy (Escribir 2.0 Fase 1) ──────────────────────────────── */
.hoy-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 6.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}
.hoy-saludo {
  font-family: var(--font-creative);
  font-weight: 300;
  font-style: italic;
  font-size: 1.875rem;
  letter-spacing: -0.01em;
  margin-top: 0.125rem;
}
.hoy-cierre {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  background: var(--surface-card);
  border-radius: var(--radius-md);
  color: var(--on-surface-variant);
  font-family: var(--font-functional);
  font-size: 0.8125rem;
}
.hoy-cierre .material-symbols-outlined { font-size: 1rem; color: var(--primary); }
.hoy-pregunta-card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 1.125rem 1.25rem;
  border-left: 3px solid var(--primary);
}
.hoy-pregunta {
  font-family: var(--font-creative);
  font-style: italic;
  font-size: 1.3125rem;
  line-height: 1.4;
  margin: 0.625rem 0 0;
}
.hoy-contexto {
  font-family: var(--font-functional);
  font-size: 0.75rem;
  margin-top: 0.5rem;
}
.hoy-captura textarea {
  width: 100%;
  min-height: 9rem;
  background: var(--surface-card);
  border: none;
  border-radius: var(--radius-lg);
  padding: 1rem 1.125rem;
  color: inherit;
  font-family: var(--font-creative);
  font-size: 1.0625rem;
  line-height: 1.6;
  resize: vertical;
}
.hoy-captura textarea:focus { outline: 2px solid var(--primary); }
.hoy-captura-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.625rem;
}
.hoy-captura-bar .btn { margin-left: auto; }
.hoy-context-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.5rem;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border-radius: var(--radius-md);
  color: var(--primary);
  font-family: var(--font-functional);
  font-size: 0.75rem;
}
.hoy-captura-item {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  margin-bottom: 0.625rem;
}
.hoy-item-origen {
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  color: var(--primary);
  margin-bottom: 0.375rem;
}
.hoy-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.625rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  background: var(--surface-elevated);
  border: 1px solid var(--surface-highest);
  border-radius: var(--radius-full);
  color: var(--on-surface-variant);
  font-family: var(--font-functional);
  font-size: 0.6875rem;
  cursor: pointer;
  transition: background 0.15s;
}
.chip:hover { background: var(--surface-highest); }
.chip-epoca { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 35%, transparent); }
.chip-tema { color: var(--secondary); }
.chip-loading { cursor: default; opacity: 0.7; }
.chip-edit { padding: 0.25rem 0.45rem; }
.chip-select { text-transform: capitalize; }
.chip-active {
  background: color-mix(in srgb, var(--primary) 20%, transparent);
  border-color: var(--primary);
  color: var(--primary);
}
.hoy-edit-input {
  width: 100%;
  background: var(--surface-elevated);
  border: 1px solid var(--surface-highest);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.75rem;
  color: inherit;
  font-family: var(--font-functional);
  font-size: 0.875rem;
}
.hoy-edit-input:focus { outline: 2px solid var(--primary); }

/* ── Accesibilidad: foco visible para navegación por teclado ──── */
.btn:focus-visible, .btn-icon:focus-visible, .btn-ghost:focus-visible,
.nav-item:focus-visible, .filter-pill:focus-visible, .chip:focus-visible,
.book-selector:focus-visible, .book-selector-mobile:focus-visible,
.action-btn:focus-visible, .modo-card:focus-visible, .status-pill:focus-visible,
input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── Respeta "movimiento reducido" del sistema (iOS/macOS) ────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}