/* Playlist - Tema visual inspirado en ATEdicion (soberbio, oscuro + claro).
   Tokens y componentes estan "casi identicos" al design system de ATEdicion. */

:root, [data-theme="dark"] {
  --color-canvas: #2b2a2a;
  --color-surface: #090808;
  --color-elevated: #3a3939;
  --color-input: #1e1d1d;
  --color-fg: #f5f7fa;
  --color-fg-2: #c9ced9;
  --color-fg-3: #8a93a6;
  --color-border: #2a2f3d;
  --color-border-hover: #3a4154;
  --color-accent: #22c55e;
  --color-accent-2: #1ca74f;
  --color-accent-rgb: 34 197 94;
  --color-danger: #ef4444;
  --color-danger-2: #cb3939;
  --color-danger-rgb: 239 68 68;
  --color-focus: #22c55e;
}

[data-theme="light"] {
  --color-canvas: #fafafa;
  --color-surface: #f3f4f6;
  --color-elevated: #ffffff;
  --color-input: #ffffff;
  --color-fg: #0f1115;
  --color-fg-2: #374151;
  --color-fg-3: #6b7280;
  --color-border: #e5e7eb;
  --color-border-hover: #d1d5db;
  --color-accent: #16a34a;
  --color-accent-2: #128a3e;
  --color-accent-rgb: 22 163 74;
  --color-danger: #dc2626;
  --color-danger-2: #bb2020;
  --color-danger-rgb: 220 38 38;
  --color-focus: #16a34a;
}

html {
  scroll-behavior: smooth;
}
html, body {
  background: var(--color-canvas);
  color: var(--color-fg);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
* { border-color: var(--color-border); }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--color-accent); color: #ffffff; }
::placeholder { color: var(--color-fg-3); }

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: 8px 16px;
  background: var(--color-accent);
  color: #ffffff;
  z-index: 1000;
  transition: top 0.2s;
  border-radius: 0 0 8px 0;
  font-weight: 600;
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ====== Botones ====== */
.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s;
  border: 0;
  cursor: pointer;
  font-size: 14px;
}
.btn-primary:hover { background: var(--color-accent-2); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: var(--color-elevated);
  color: var(--color-fg);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background 0.15s;
  font-size: 14px;
}
.btn-secondary:hover { background: var(--color-border); }

.btn-ghost {
  color: var(--color-fg-2);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 6px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.btn-ghost:hover { color: var(--color-fg); background: var(--color-surface); }

.btn-danger {
  background: var(--color-danger);
  color: #ffffff;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 0;
  cursor: pointer;
}
.btn-danger:hover { background: var(--color-danger-2); }

.btn-icon {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-fg-2);
  cursor: pointer;
  transition: all 0.15s;
}
.btn-icon:hover { color: var(--color-fg); border-color: var(--color-border-hover); }

.volume-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  white-space: nowrap;
}
.volume-group .btn-icon { font-size: 22px; line-height: 1; }

.input {
  width: 100%;
  background: var(--color-input);
  color: var(--color-fg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}
.input:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 0;
  border-color: transparent;
}

.label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: var(--color-fg-2);
  margin-bottom: 6px;
}
.vstack { display: grid; gap: 14px; }

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-error { background: rgb(var(--color-danger-rgb) / 0.15); color: var(--color-danger); border: 1px solid rgb(var(--color-danger-rgb) / 0.4); }
.alert-success { background: rgb(var(--color-accent-rgb) / 0.15); color: var(--color-accent); border: 1px solid rgb(var(--color-accent-rgb) / 0.4); }

/* ====== Card ====== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
}

/* ====== Header ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-canvas) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  gap: 16px;
}
.site-brand {
  display: inline-flex;
  align-items: baseline;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.site-brand__name { color: var(--color-fg); }
.site-brand__suffix { color: var(--color-accent); margin-left: 1px; }
.site-nav ul {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  color: var(--color-fg-2);
  transition: all 0.15s;
}
.nav-link:hover { color: var(--color-fg); background: var(--color-surface); }
.nav-link--active { color: var(--color-accent); background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.nav-link--cta {
  background: var(--color-accent);
  color: #ffffff;
  border-radius: 8px;
  padding: 9px 16px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: 0;
}
.nav-link--cta:hover { background: var(--color-accent-2); color: #ffffff; }

.site-header__actions { display: flex; gap: 8px; align-items: center; }
.theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  color: var(--color-fg-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover { color: var(--color-fg); }
.theme-toggle__icon--sun { display: none; }
[data-theme="light"] .theme-toggle__icon--sun { display: block; }
[data-theme="light"] .theme-toggle__icon--moon { display: none; }

.hamburger {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--color-fg); margin: 5px 0; transition: 0.3s; }
.mobile-menu {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
}
.mobile-menu ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.mobile-menu a { display: block; padding: 12px 16px; border-radius: 8px; color: var(--color-fg); font-weight: 500; }

@media (max-width: 768px) {
  .site-nav { display: none; }
  .hamburger { display: block; }
}

/* ====== Hero ====== */
.hero {
  position: relative;
  padding: 80px 24px 96px;
  overflow: hidden;
  background: var(--color-canvas);
}
.hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero--single { grid-template-columns: 1fr; max-width: 780px; }
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero { padding: 48px 20px 64px; }
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.hero__title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  color: var(--color-fg);
}
.hero__subtitle {
  font-size: 18px;
  color: var(--color-fg-2);
  line-height: 1.55;
  max-width: 540px;
  margin-bottom: 32px;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__visual {
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--color-border);
}

/* ====== Secciones ====== */
.section { padding: 80px 24px; background: var(--color-canvas); }
.section--alt { background: var(--color-surface); }
.section__inner { max-width: 1200px; margin: 0 auto; }
.section__header { text-align: center; margin-bottom: 48px; }
.section__eyebrow {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.section__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--color-fg);
}
.section__subtitle { font-size: 16px; color: var(--color-fg-2); max-width: 640px; margin: 0 auto; line-height: 1.55; }

/* ====== Bento (info + QR) ====== */
.bento {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
  align-items: stretch;
}
.bento__card {
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.bento__card--info { justify-content: center; text-align: left; }
.bento__card--info .section__subtitle { margin: 0; max-width: none; text-align: left; }
.bento__card--qr {
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 14px;
}
.bento__qr-img {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 10px;
}
.bento__qr-text { font-size: 14px; line-height: 1.55; color: var(--color-fg-2); max-width: 360px; }
.bento__qr-hint { font-size: 14px; font-weight: 600; color: var(--color-accent); }
.bento__qr-error { font-size: 13px; color: var(--color-fg-3); line-height: 1.5; }

/* Con el QR oculto, la tarjeta de informacion ocupa todo el ancho. */
.bento:has(.bento__card--qr[hidden]) { grid-template-columns: 1fr; }

@media (max-width: 900px) {
  .bento { grid-template-columns: 1fr; }
  .bento__card { padding: 24px; }
}

/* ====== Grid de cards ====== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}
.service-card:hover { border-color: var(--color-accent); transform: translateY(-4px); }
.service-card__media {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  background-color: var(--color-elevated);
}
.service-card__body { padding: 20px 22px 24px; }
.service-card__title { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--color-fg); }
.service-card__text { font-size: 14px; line-height: 1.55; color: var(--color-fg-2); }

/* ====== Playlists ====== */
.playlist-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}
.playlist-toolbar__info { display: flex; align-items: center; gap: 12px; margin-right: auto; min-width: 0; }
.playlist-toolbar__user {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-fg);
  white-space: nowrap;
}
.playlist-toolbar__status {
  font-size: 13px;
  color: var(--color-fg-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.playlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.playlist-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.2s, transform 0.2s;
}
.playlist-card:hover { border-color: var(--color-border-hover); transform: translateY(-3px); }
.playlist-card--active { border-color: var(--color-accent); }
.playlist-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.playlist-card__title { font-size: 17px; font-weight: 700; color: var(--color-fg); }
.playlist-card__desc { font-size: 14px; line-height: 1.5; color: var(--color-fg-2); }
.playlist-card__actions { margin-top: auto; padding-top: 6px; }
.badge-now {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.badge-now::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 1.2s infinite ease-in-out;
}
.badge-now[hidden] { display: none !important; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: 14px;
}
.empty-state__icon { font-size: 40px; color: var(--color-fg-3); margin-bottom: 16px; }
.empty-state__title { font-size: 20px; font-weight: 700; color: var(--color-fg); margin-bottom: 8px; }
.empty-state__text { font-size: 15px; color: var(--color-fg-2); max-width: 460px; margin: 0 auto 24px; line-height: 1.55; }

/* ====== Spinner ====== */
.spinner {
  width: 42px;
  height: 42px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state .spinner { width: 42px; height: 42px; }
.connect-fail-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ====== Overlay de bloqueo con cuenta regresiva ====== */
.cmd-lock {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(0 0 0 / 0.55);
  backdrop-filter: blur(3px);
}
.cmd-lock[hidden] { display: none !important; }
.cmd-lock__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px 40px;
  text-align: center;
  min-width: 180px;
}
.cmd-lock__number {
  display: block;
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent);
}
.cmd-lock__spinner { color: var(--color-accent); display: block; margin: 0 auto; }
.cmd-lock__number[hidden], .cmd-lock__spinner[hidden] { display: none !important; }
.cmd-lock__label {
  margin-top: 14px;
  font-size: 14px;
  color: var(--color-fg-2);
  font-weight: 500;
}

/* ====== Footer ====== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 24px 28px;
  color: var(--color-fg-2);
  font-size: 14px;
}
.site-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 768px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}
.site-footer h4 { color: var(--color-fg); font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a:hover { color: var(--color-accent); }
.site-footer__bottom {
  max-width: 1200px;
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--color-fg-3);
  font-size: 13px;
}

/* ====== Login ====== */
.login-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
}
.login-card__brand { display: inline-flex; align-items: baseline; font-weight: 700; font-size: 20px; margin-bottom: 4px; letter-spacing: -0.02em; }
.login-card__title { font-size: 14px; color: var(--color-fg-2); margin-bottom: 24px; }
.login-card__brand .site-brand__suffix { color: var(--color-accent); }
.login-card__back { margin-top: 18px; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--color-fg-3); }
.login-card__back:hover { color: var(--color-accent); }

/* ====== Utilidades ====== */
.flex-grow { flex-grow: 1; }
.text-center { text-align: center; }