/* ==========================================================================
   CellShort — reconstrucción estática
   Estructura: "app shell" de 480px, feed vertical full-bleed con scroll-snap,
   capas superpuestas (topbar, rail, player) y paneles modales.
   ========================================================================== */

:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  --accent: #ffdc1b;
  --accent-hover: #ffe75c;
  --surface: #090909;
  --page: #1e1e1e;
  --text: #fff;
  --muted: #b6b6c0;
  --panel: #171717;
  --radius: 7px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  min-width: 280px;
  margin: 0;
  overflow: hidden;
  color: var(--text);
  background: var(--page);
  font-family: inherit;
}
body.dialog-open { overflow: hidden; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Iconos: un sprite SVG, trazo heredado por currentColor. */
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon {
  display: block;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------- shell --- */
.app-shell {
  position: relative;
  isolation: isolate;
  width: min(100%, 480px);
  height: 100vh;
  height: 100dvh;
  margin: 0 auto;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 0 55px #0009;
}

.feed {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
}
.feed::-webkit-scrollbar { display: none; }
.dialog-open .feed { overflow: hidden; }

.slide {
  position: relative;
  isolation: isolate;
  width: 100%;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  background: #151515;
}
.slide-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #171717;
}
.slide-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, #0008 0%, transparent 23%, transparent 44%, #0004 64%, #000d 100%);
}

/* -------------------------------------------------------------- topbar --- */
.topbar {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: calc(14px + env(safe-area-inset-top)) 18px 12px;
  background: linear-gradient(#0009, transparent);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.05em;
  text-decoration: none;
  text-shadow: 0 2px 12px #000b;
}
.brand img { width: 30px; height: 30px; border-radius: var(--radius); object-fit: cover; }
.top-actions { display: flex; align-items: center; gap: 8px; }
.top-button {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--text);
  background: #0003;
  filter: drop-shadow(0 2px 5px #000a);
}
.top-button:hover { background: #0009; }
.top-button .icon { width: 22px; height: 22px; }
.sound-on { display: none; }
#sound-toggle.is-on .sound-off { display: none; }
#sound-toggle.is-on .sound-on { display: block; }

/* --------------------------------------------------------- download pill --- */
.download-hint {
  position: absolute;
  z-index: 19;
  top: calc(76px + env(safe-area-inset-top));
  right: 16px;
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100% - 32px);
  padding: 8px 12px 8px 10px;
  border: 1px solid #ffdc1b66;
  border-radius: 13px;
  color: var(--text);
  background: #000000b3;
  backdrop-filter: blur(9px);
  text-align: left;
  text-shadow: 0 1px 6px #000c;
  box-shadow: 0 8px 22px #0008;
}
.download-hint > .icon {
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  color: var(--accent);
  stroke-width: 2.2;
}
.download-hint-step {
  display: block;
  color: var(--accent);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .16em;
  line-height: 1.2;
}
.download-hint-title {
  display: block;
  margin-top: 2px;
  font-size: 12.5px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}
.download-hint:hover { border-color: #ffdc1bcc; background: #000000d9; }

/* ------------------------------------------------------- copy + rail --- */
.slide-copy {
  position: absolute;
  z-index: 5;
  right: 91px;
  bottom: calc(137px + env(safe-area-inset-bottom));
  left: 17px;
  text-shadow: 0 2px 9px #000d;
}
.clip-label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .15em;
}
.slide-copy h1,
.slide-copy h2 {
  margin: 0 0 7px;
  font-size: 19px;
  font-weight: 850;
  line-height: 1.15;
}
.slide-copy p {
  max-width: 310px;
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.42;
}
.slide-with-subtitles .slide-copy { bottom: calc(99px + env(safe-area-inset-bottom)); }

.slide-rail {
  position: absolute;
  z-index: 7;
  right: 12px;
  bottom: calc(137px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 19px;
  width: 62px;
}
.rail-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  width: 62px;
  padding: 0;
  border: 0;
  color: var(--text);
  background: none;
  text-align: center;
  text-shadow: 0 2px 7px #000b;
}
.rail-button .icon {
  width: 31px;
  height: 31px;
  filter: drop-shadow(0 2px 3px #000b);
}
.rail-label { font-size: 11px; font-weight: 800; line-height: 1.1; }
.rail-button[data-preview-count] .rail-label {
  font-size: 12px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}
.avatar {
  position: relative;
  display: block;
  width: 50px;
  height: 50px;
  margin-bottom: 5px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #2f1b20;
  box-shadow: 0 2px 9px #0009;
}
.avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 25%;
}
.follow-mark {
  position: absolute;
  right: 12px;
  bottom: -11px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  color: #161616;
  background: var(--accent);
  font-size: 16px;
  font-weight: 800;
  line-height: 1;
  text-shadow: none;
}

/* -------------------------------------------------------------- player --- */
.player-bottom {
  position: absolute;
  z-index: 21;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  gap: 9px;
  padding: 0 16px calc(13px + env(safe-area-inset-bottom));
  background: linear-gradient(transparent, #000b 25%, #000e 100%);
}
.progress-seek {
  width: 100%;
  height: 13px;
  margin: 0;
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  --progress: 0%;
}
.progress-seek::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 5px;
  background: linear-gradient(to right, var(--accent) var(--progress), #ffffff80 var(--progress));
}
.progress-seek::-webkit-slider-thumb {
  width: 13px;
  height: 13px;
  margin-top: -5px;
  appearance: none;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 1px 5px #000c;
}
.progress-seek::-moz-range-track { height: 3px; border-radius: 5px; background: #ffffff80; }
.progress-seek::-moz-range-progress { height: 3px; background: var(--accent); }
.progress-seek::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--accent);
}
.download-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 54px;
  padding: 10px 16px;
  border: 0;
  border-radius: var(--radius);
  color: #171200;
  background: var(--accent);
  font-size: 17px;
  font-weight: 900;
  box-shadow: 0 5px 18px #0006;
}
.download-cta:hover { background: var(--accent-hover); }
.download-cta .icon { width: 21px; height: 21px; stroke-width: 2.2; }

.play-indicator {
  position: absolute;
  z-index: 12;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: #0008;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(.8);
  transition: opacity .18s, transform .18s;
}
.play-indicator.visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.play-indicator .icon { width: 34px; height: 34px; stroke-width: 2.3; }
.indicator-pause { display: none; }
.play-indicator.show-pause .indicator-play { display: none; }
.play-indicator.show-pause .indicator-pause { display: block; }

.toast {
  position: absolute;
  z-index: 75;
  right: 18px;
  bottom: calc(110px + env(safe-area-inset-bottom));
  left: 18px;
  width: fit-content;
  max-width: calc(100% - 36px);
  margin: 0 auto;
  padding: 11px 16px;
  border: 1px solid #ffffff25;
  border-radius: 20px;
  background: #191919e8;
  font-size: 13px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  text-align: center;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s;
}
.toast.visible { opacity: 1; transform: translateY(0); }

/* -------------------------------------------------------------- panels --- */
.panel-mask {
  position: absolute;
  z-index: 80;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000b;
  backdrop-filter: blur(13px);
}
.search-panel {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  max-height: 84%;
  overflow-y: auto;
  padding: 22px 18px calc(28px + env(safe-area-inset-bottom));
  border-radius: 22px 22px 0 0;
  background: var(--panel);
  box-shadow: 0 -10px 35px #0007;
}
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 19px;
}
.panel-heading h2 { margin: 0; font-size: 22px; }
.close-button {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--text);
  background: #ffffff19;
}
.close-button:hover { background: #ffffff2d; }
.close-button .icon { width: 19px; height: 19px; }
.search-field {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0 14px;
  border: 1px solid #ffffff2b;
  border-radius: 9px;
  background: #232323;
}
.search-field .icon { width: 19px; height: 19px; color: #ddd; }
.search-field input {
  width: 100%;
  height: 46px;
  border: 0;
  outline: none;
  color: var(--text);
  background: transparent;
  font-size: 15px;
}
.search-field input::placeholder { color: #aaa; }
.search-results { display: grid; gap: 8px; margin-top: 18px; }
.search-results button {
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  padding: 9px;
  border: 0;
  border-radius: 10px;
  color: var(--text);
  background: #242424;
  text-align: left;
}
.search-results button:hover { background: #303030; }
.search-results img { width: 49px; height: 61px; border-radius: 6px; object-fit: cover; }
.search-results strong,
.search-results small { display: block; }
.search-results strong { margin-bottom: 5px; font-size: 14px; }
.search-results small { color: #bbb; font-size: 12px; }
.search-empty { color: #bbb; text-align: center; }

.dialog-card {
  position: relative;
  width: calc(100% - 42px);
  max-width: 385px;
  padding: 31px 25px 25px;
  border: 1px solid #ffffff23;
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 20px 55px #0009;
}
.dialog-close { position: absolute; top: 14px; right: 14px; }
.dialog-kicker {
  margin: 0 0 13px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .14em;
}
.dialog-card h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 7vw, 34px);
  line-height: 1.12;
  letter-spacing: -.04em;
}
.dialog-card p:not(.dialog-kicker):not(.demo-note) {
  margin: 0 0 22px;
  color: #d4d4d4;
  font-size: 14px;
  line-height: 1.55;
}
.download-retry {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-underline-offset: 3px;
}
.demo-note {
  margin: 0 0 4px;
  padding: 10px 12px;
  border: 1px solid #ffdc1b33;
  border-radius: 8px;
  color: #d8d8d8;
  background: #ffdc1b0d;
  font-size: 12px;
  line-height: 1.45;
}
.demo-note code { color: var(--accent); font-size: 11.5px; }
.dialog-secondary {
  display: block;
  width: 100%;
  min-height: 47px;
  margin-top: 18px;
  padding: 10px 14px;
  border: 0;
  border-radius: var(--radius);
  color: var(--text);
  background: #ffffff1d;
  font-size: 14px;
  font-weight: 900;
}
.dialog-secondary:hover { background: #ffffff2d; }

/* ------------------------------------------------------------ end gate --- */
.end-gate { background: #0b0b0bee; }
.end-gate-card {
  position: relative;
  width: calc(100% - 40px);
  max-width: 372px;
  padding: 34px 24px 26px;
  border: 1px solid #ffffff1f;
  border-radius: 22px;
  background: linear-gradient(180deg, #1c1c1c, #101010);
  box-shadow: 0 24px 60px #000b;
  text-align: center;
}
.end-gate-badge {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin: 0 auto 18px;
  border: 1px solid #ffdc1b4d;
  border-radius: 50%;
  color: var(--accent);
  background: #ffdc1b14;
}
.end-gate-badge .icon { width: 26px; height: 26px; stroke-width: 2.2; }
.end-gate-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: .22em;
}
.end-gate-title {
  margin: 0 0 10px;
  font-size: 23px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.02em;
}
.end-gate-copy {
  max-width: 290px;
  margin: 0 auto 20px;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.55;
}
.end-gate .download-cta { min-height: 52px; }
.end-gate-note {
  margin: 12px 0 0;
  color: #6b6b7a;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .08em;
}
.end-gate-close { position: absolute; top: 12px; right: 12px; }

.noscript {
  position: fixed;
  z-index: 99;
  right: 16px;
  bottom: 16px;
  left: 16px;
  margin: 0;
  padding: 12px 16px;
  border-radius: 10px;
  background: #000000d9;
  font-size: 13px;
  text-align: center;
}

/* ------------------------------------------------------------ responsive --- */
@media (max-width: 480px) {
  .app-shell { width: 100%; box-shadow: none; }
}
@media (max-width: 360px) {
  .slide-rail { width: 54px; right: 8px; }
  .rail-button { width: 54px; }
  .rail-button .icon { width: 27px; height: 27px; }
  .avatar { width: 44px; height: 44px; }
  .slide-copy { right: 78px; }
}
@media (max-height: 700px) {
  .slide-copy { bottom: calc(125px + env(safe-area-inset-bottom)); }
  .slide-with-subtitles .slide-copy { bottom: calc(98px + env(safe-area-inset-bottom)); }
  .slide-rail { bottom: calc(128px + env(safe-area-inset-bottom)); gap: 13px; }
  .rail-button .icon { width: 27px; height: 27px; }
  .avatar { width: 43px; height: 43px; }
  .slide-copy p { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .feed { scroll-behavior: auto; }
  .play-indicator,
  .toast { transition: none; }
}