/* Cuaderno — hoja de estilo única.
   El artifact original corría dentro de un contenedor que aportaba su propio
   reset; aquí la página es la raíz, así que lo declara ella misma. */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { min-height: 100dvh; -webkit-text-size-adjust: 100%; }
img { max-width: 100%; }
input, textarea, button { font-family: inherit; }

:root {
  --paper: #D5D033;
  --ink: #000000;
  --caret: #0000EE;
  --ff: "Newsreader", Georgia, serif;
  --fs: clamp(30px, 4.4vw, 62px);
  --lh: 1.24;
  --ls: -0.012em;
  --pad-x: clamp(22px, 7vw, 140px);
  --pad-top: clamp(64px, 12vh, 140px);
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

html, body { background: var(--paper); }
body {
  color: var(--ink);
  font-family: var(--mono);
  transition: background 260ms ease, color 260ms ease;
}

@keyframes blink { 0%, 49% { opacity: 1 } 50%, 100% { opacity: 0 } }

button { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--caret); outline-offset: 3px; }

/* ---------- papel ---------- */

#paper {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  display: block;
}

/* ---------- lienzo ---------- */

.sheet {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  transition: color 260ms ease;
}

.stage { position: relative; flex: 1; display: flex; }

.mirror, .area {
  padding: var(--pad-top) var(--pad-x) 20vh;
  font-family: var(--ff);
  font-weight: 300;
  font-size: var(--fs);
  line-height: var(--lh);
  letter-spacing: var(--ls);
  tab-size: 2;
  box-sizing: border-box;
}

.mirror {
  position: absolute;
  inset: 0;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  visibility: hidden;
  pointer-events: none;
}

.area {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  background: transparent;
  border: 0;
  outline: 0;
  resize: none;
  overflow: hidden;
  color: var(--ink);
  caret-color: transparent;
  text-wrap: pretty;
}
.area::selection { background: color-mix(in srgb, var(--caret) 28%, transparent); }

.caret {
  position: absolute;
  top: 0; left: 0;
  width: 8px; height: 1em;
  background: var(--caret);
  border-radius: 1px;
  pointer-events: none;
  animation: blink 1.05s step-end infinite;
}

/* ---------- barra ---------- */

.bar {
  position: fixed;
  top: 0; right: 0; left: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
  padding: 18px 22px;
  z-index: 10;
  transition: opacity 400ms ease;
}
.bar.away { opacity: 0; }

.stamp {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.4;
  margin-right: auto;
  padding-left: clamp(0px, 4vw, 118px);
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-width: 0;
}
.stamp b {
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.stamp i { font-style: normal; white-space: nowrap; opacity: 0.7; }
.stamp i.live::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  vertical-align: 1px;
}

.glyph {
  width: 34px; height: 34px;
  flex: none;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: var(--ink);
  opacity: 0.45;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1;
  padding: 0;
  transition: opacity 180ms ease, background 180ms ease;
}
.glyph:hover, .glyph:focus-visible { opacity: 1; }
.glyph[aria-expanded="true"] { opacity: 1; background: color-mix(in srgb, var(--ink) 12%, transparent); }

/* ---------- superficies de servicio ---------- */

.scrim {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--ink) 26%, transparent);
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}
.scrim.on { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(430px, 100vw);
  background: var(--paper);
  color: var(--ink);
  border-left: 1px solid var(--ink);
  z-index: 30;
  display: flex;
  flex-direction: column;
  transform: translateX(101%);
  transition: transform 300ms cubic-bezier(0.22, 0.8, 0.3, 1);
  font-family: var(--mono);
}
.drawer.on { transform: none; }

.drawer-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--ink);
}
.drawer-head h2 {
  margin: 0;
  margin-right: auto;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pill {
  border: 1px solid var(--ink);
  background: transparent;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}
.pill:hover { background: var(--ink); color: var(--paper); }

.docs { flex: 1; overflow-y: auto; overscroll-behavior: contain; }

.doc {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 4px 10px;
  width: 100%;
  padding: 14px 20px;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 22%, transparent);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background 140ms ease;
}
.doc:hover { background: color-mix(in srgb, var(--ink) 7%, transparent); }
.doc.here { background: color-mix(in srgb, var(--ink) 12%, transparent); }

.doc-name {
  grid-column: 1;
  font-family: var(--ff);
  font-size: 19px;
  font-weight: 300;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.doc-name.blank { opacity: 0.4; font-style: italic; }
.doc-meta {
  grid-column: 1;
  grid-row: 2;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.45;
  font-variant-numeric: tabular-nums;
}

.act {
  grid-row: 1 / span 2;
  width: 28px; height: 28px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  font-size: 13px;
  opacity: 0;
  transition: opacity 140ms ease, background 140ms ease;
}
.doc:hover .act, .doc:focus-within .act, .act:focus-visible { opacity: 0.55; }
.act:hover { opacity: 1; background: color-mix(in srgb, var(--ink) 14%, transparent); }

.rename {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--ff);
  font-size: 19px;
  font-weight: 300;
  background: transparent;
  color: var(--ink);
  border: 0;
  border-bottom: 1px solid var(--caret);
  padding: 0 0 2px;
  width: 100%;
  outline: 0;
}

.drawer-foot {
  border-top: 1px solid var(--ink);
  padding: 14px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: 0;
  padding: 4px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  text-align: left;
  opacity: 0.75;
  transition: opacity 140ms ease;
}
.line:hover { opacity: 1; }
.line span:last-child { margin-left: auto; opacity: 0.5; font-size: 10px; text-align: right; }
.keys {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.38;
  line-height: 1.9;
  padding-top: 6px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  margin-top: 4px;
}

/* ---------- popovers ---------- */

.menu {
  position: fixed;
  top: 62px;
  right: 22px;
  z-index: 30;
  width: min(300px, calc(100vw - 44px));
  max-height: calc(100vh - 88px);
  overflow-y: auto;
  background: var(--paper);
  border: 1px solid var(--ink);
  font-family: var(--mono);
  display: none;
  flex-direction: column;
}
.menu.on { display: flex; }
.menu h2 {
  margin: 0;
  padding: 12px 16px 10px;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.45;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 22%, transparent);
  position: sticky;
  top: 0;
  background: var(--paper);
}
.menu button {
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-align: left;
  cursor: pointer;
  width: 100%;
  transition: background 140ms ease;
}
.menu button:hover { background: color-mix(in srgb, var(--ink) 10%, transparent); }
.menu button em { margin-left: auto; font-style: normal; opacity: 0.45; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; }
.menu p {
  margin: 0;
  padding: 10px 16px 12px;
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  opacity: 0.45;
  border-top: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
}

/* fila de tipografía */
.menu .face {
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
  cursor: pointer;
  transition: background 140ms ease;
}
.menu .face:hover { background: color-mix(in srgb, var(--ink) 10%, transparent); }
.face {
  display: grid;
  grid-template-columns: 14px 1fr auto auto;
  align-items: center;
  gap: 0 10px;
  padding: 11px 14px;
}
.face .tick { font-size: 11px; opacity: 0; }
.face.on .tick { opacity: 1; }
.face .label {
  font-family: var(--face, inherit);
  font-size: 17px;
  font-weight: 300;
  letter-spacing: 0;
  text-transform: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.face .star, .face .drop {
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  border-radius: 50%;
  font-size: 12px;
  opacity: 0.3;
  cursor: pointer;
  padding: 0;
}
.face .star.on { opacity: 0.95; }
.face .star:hover, .face .drop:hover { opacity: 1; background: color-mix(in srgb, var(--ink) 14%, transparent); }

/* ---------- aviso ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 12px);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--ink);
  color: var(--paper);
  padding: 11px 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  max-width: calc(100vw - 32px);
}
.toast.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast button {
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: inherit;
  padding: 4px 11px;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  flex: none;
}

@media (max-width: 560px) {
  .stamp { padding-left: 0; font-size: 10px; gap: 10px; }
  .bar { padding: 12px 14px; gap: 4px; }
  .glyph { width: 31px; height: 31px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .caret { opacity: 1; }
}

/* ---------- entrada a la cuenta ---------- */

.gate {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: color-mix(in srgb, var(--ink) 32%, transparent);
}

.gate-card {
  width: min(420px, 100%);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 26px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--mono);
}
.gate-card h2 {
  margin: 0;
  font-family: var(--ff);
  font-size: 30px;
  font-weight: 300;
  line-height: 1.1;
}
.gate-card p {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  opacity: 0.6;
}
.gate-label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-top: 8px;
}
.gate-input {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-family: var(--ff);
  font-size: 22px;
  font-weight: 300;
  padding: 4px 0 7px;
  outline: 0;
  width: 100%;
}
.gate-input:focus { border-bottom-color: var(--caret); }
.gate-input::placeholder { color: var(--ink); opacity: 0.22; }
.gate-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.gate-skip { width: auto; opacity: 0.5; }
.gate-note {
  min-height: 1.2em;
  font-size: 11px !important;
  opacity: 0.85 !important;
}
.gate-note.bad { color: var(--caret); opacity: 1 !important; }

@media (max-width: 560px) {
  .gate-card h2 { font-size: 25px; }
}

/* ---------- vista previa ---------- */

/* Comparte la caja y la escala del lienzo para que al alternar no salte
   nada: mismas familias, mismo cuerpo, mismos márgenes. Lo único que cambia
   es que aquí las marcas se interpretan en vez de mostrarse. */
.read {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  padding: var(--pad-top) var(--pad-x) 20vh;
  box-sizing: border-box;
  font-family: var(--ff);
  font-weight: 300;
  font-size: var(--fs);
  line-height: var(--lh);
  letter-spacing: var(--ls);
  color: var(--ink);
  text-wrap: pretty;
  overflow-wrap: break-word;
}

.read > * + * { margin-top: 0.7em; }
.read h1, .read h2, .read h3, .read h4, .read h5, .read h6 {
  font-weight: 600;
  line-height: 1.1;
  text-wrap: balance;
  margin-top: 1.1em;
}
.read h1 { font-size: 1.35em; }
.read h2 { font-size: 1.18em; }
.read h3 { font-size: 1.05em; }
.read h4, .read h5, .read h6 { font-size: 1em; letter-spacing: 0.02em; }
.read strong { font-weight: 600; }
.read em { font-style: italic; }
.read del { opacity: 0.5; }
.read code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: color-mix(in srgb, var(--ink) 10%, transparent);
  padding: 0.1em 0.3em;
  border-radius: 2px;
}
.read a { color: var(--caret); text-underline-offset: 0.15em; }
.read blockquote {
  margin-left: 0;
  padding-left: 0.7em;
  border-left: 2px solid color-mix(in srgb, var(--ink) 35%, transparent);
  font-style: italic;
}
.read ul, .read ol { padding-left: 1.4em; }
.read li + li { margin-top: 0.2em; }
.read hr {
  border: 0;
  border-top: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
  margin: 1.2em 0;
}
.read .lead { white-space: pre; }
.read .empty {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.35;
}

/* ---------- control continuo ---------- */

.knob {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
}
.knob label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.5;
}
.knob label em {
  margin-left: auto;
  font-style: normal;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  opacity: 0.8;
}

.knob input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 16px;
  background: transparent;
  cursor: ew-resize;
  margin: 0;
}
.knob input[type="range"]::-webkit-slider-runnable-track {
  height: 1px;
  background: color-mix(in srgb, var(--ink) 45%, transparent);
}
.knob input[type="range"]::-moz-range-track {
  height: 1px;
  background: color-mix(in srgb, var(--ink) 45%, transparent);
}
.knob input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 3px;
  height: 16px;
  margin-top: -8px;
  border: 0;
  border-radius: 0;
  background: var(--caret);
}
.knob input[type="range"]::-moz-range-thumb {
  width: 3px;
  height: 16px;
  border: 0;
  border-radius: 0;
  background: var(--caret);
}

.knob-reset {
  align-self: flex-start;
  background: transparent;
  border: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.4;
  cursor: pointer;
}
.knob-reset:hover { opacity: 0.85; }

/* ---------- buscador ---------- */

.find {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--ink);
}
.find input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 2px 0;
}
.find input::placeholder { color: var(--ink); opacity: 0.35; }
.find input::-webkit-search-cancel-button { filter: invert(0.5); }
.find-count {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.45;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.hit {
  grid-column: 1;
  grid-row: 3;
  font-family: var(--ff);
  font-size: 14px;
  line-height: 1.45;
  opacity: 0.62;
  margin-top: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hit mark {
  /* Azul translúcido sobre el papel amarillo se vuelve un gris sucio, así que
     la coincidencia se marca sobre todo con el subrayado, no con el fondo. */
  background: color-mix(in srgb, var(--caret) 16%, transparent);
  box-shadow: inset 0 -0.14em 0 var(--caret);
  color: inherit;
  padding: 0 1px;
}
.doc.found { grid-template-rows: auto auto auto; }
.doc.found .act { grid-row: 1 / span 3; }

.blank-find {
  padding: 22px 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.4;
  line-height: 1.7;
}