/* ==========================================================================
   ALTA VERAPAZ RADIO - ESTILOS PRINCIPALES (PWA)
   Paleta Base: #397C2B (Verde Verapaz)
   ========================================================================== */

:root {
  --color-primary: #397C2B;
  --color-primary-light: #4fa83c;
  --color-primary-dark: #27561d;
  --color-primary-rgb: 57, 124, 43;

  --color-bg-dark: #09120a;
  --color-card-bg: rgba(14, 25, 16, 0.78);
  --color-card-border: rgba(57, 124, 43, 0.35);

  --color-text: #f3fbf3;
  --color-text-muted: #a3c4a6;

  --color-live: #22c55e;
  --color-warning: #eab308;
  --color-error: #ef4444;

  --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset básico y tipografía adaptable */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg-dark);
  overflow-x: hidden;
}

/* Fondo decorativo con desenfoque de cristal (Backdrop Filter) */
.background-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  background-image: url('https://www.altaverapaz.com/radio/assets/background.jpg');
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  filter: brightness(0.35) blur(18px);
  transform: scale(1.08); /* Evita bordes blancos por el blur */
}

/* Envoltorio principal centrado */
.player-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
}

/* Cabecera superior fluida */
.app-header {
  width: 100%;
  max-width: 440px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.45);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.brand-badge-text {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.pulse-beacon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  box-shadow: 0 0 10px var(--color-primary-light);
}

/* Botón de Instalación PWA */
.btn-install {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: var(--transition-smooth);
}

.btn-install:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.45);
}

.btn-install .icon-svg {
  width: 16px;
  height: 16px;
}

/* Tarjeta contenedora del reproductor */
.player-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 28px;
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Logotipo central con efecto de resplandor */
.logo-container {
  position: relative;
  width: 170px;
  height: 170px;
  margin: 0.5rem auto 1.5rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.station-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(var(--color-primary-rgb), 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 2;
  background-color: #000;
}

.sound-wave-glow {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.5) 0%, rgba(var(--color-primary-rgb), 0) 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
}

.sound-wave-glow.active {
  opacity: 1;
  animation: pulse-ring 2.2s infinite ease-out;
}

/* Metadatos de la emisora */
.station-title {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.station-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

/* Etiqueta de estado en vivo */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  transition: var(--transition-smooth);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--color-text-muted);
  transition: var(--transition-smooth);
}

.status-pill.live .status-dot {
  background-color: var(--color-live);
  box-shadow: 0 0 10px var(--color-live);
  animation: blink 1.5s infinite;
}

.status-pill.buffering .status-dot {
  background-color: var(--color-warning);
  box-shadow: 0 0 8px var(--color-warning);
}

.status-pill.error .status-dot {
  background-color: var(--color-error);
  box-shadow: 0 0 8px var(--color-error);
}

/* Barras animadas de ecualizador */
.audio-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  height: 24px;
  margin-bottom: 1.5rem;
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.audio-bars.active {
  opacity: 1;
}

.audio-bars .bar {
  width: 4px;
  height: 6px;
  background-color: var(--color-primary-light);
  border-radius: 2px;
  transition: height 0.2s ease;
}

.audio-bars.active .bar-1 { animation: equalize 1.2s infinite ease-in-out; }
.audio-bars.active .bar-2 { animation: equalize 0.8s infinite ease-in-out 0.2s; }
.audio-bars.active .bar-3 { animation: equalize 1.5s infinite ease-in-out 0.4s; }
.audio-bars.active .bar-4 { animation: equalize 0.9s infinite ease-in-out 0.1s; }
.audio-bars.active .bar-5 { animation: equalize 1.3s infinite ease-in-out 0.3s; }

/* Botón central Play / Pausa */
.player-controls {
  margin-bottom: 1.5rem;
}

.btn-play {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border: 3px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(var(--color-primary-rgb), 0.55);
  transition: var(--transition-smooth);
}

.btn-play:hover {
  transform: scale(1.06);
  box-shadow: 0 14px 34px rgba(var(--color-primary-rgb), 0.7);
}

.btn-play:active {
  transform: scale(0.96);
}

.control-icon {
  width: 36px;
  height: 36px;
}

/* Spinner de carga */
.spinner {
  animation: rotate 1s linear infinite;
}

/* Control de Volumen */
.volume-container {
  width: 100%;
  max-width: 280px;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1.8rem;
}

.btn-volume {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.btn-volume:hover {
  color: #ffffff;
}

.vol-icon {
  width: 20px;
  height: 20px;
}

.volume-range {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.15);
  height: 5px;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.volume-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--color-primary-light);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
  transition: var(--transition-smooth);
}

.volume-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Barra de Redes Sociales */
.social-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.social-link:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(var(--color-primary-rgb), 0.4);
}

.social-icon {
  width: 20px;
  height: 20px;
}

/* Modal Contextual iOS Safari */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1.2rem;
  transition: opacity 0.3s ease;
}

.modal-content {
  background: #121d14;
  border: 1px solid var(--color-card-border);
  border-radius: 24px;
  width: 100%;
  max-width: 380px;
  padding: 2rem 1.6rem;
  position: relative;
  text-align: left;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: transparent;
  border: none;
  font-size: 1.8rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.modal-app-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-description {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 1.25rem;
}

.modal-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.modal-step {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.88rem;
  line-height: 1.4;
}

.step-num {
  min-width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: text-bottom;
  color: #38bdf8;
  margin: 0 2px;
}

.btn-primary-action {
  width: 100%;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  padding: 0.75rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary-action:hover {
  background: var(--color-primary-light);
}

/* Clases de utilidad */
.hidden {
  display: none !important;
}

/* Animaciones */
@keyframes pulse-ring {
  0% { transform: scale(0.92); opacity: 0.8; }
  50% { transform: scale(1.18); opacity: 0.3; }
  100% { transform: scale(0.92); opacity: 0.8; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes equalize {
  0%, 100% { height: 6px; }
  50% { height: 22px; }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Adaptabilidad para pantallas reducidas */
@media (max-width: 380px) {
  .player-card {
    padding: 1.8rem 1.2rem;
  }
  .logo-container {
    width: 140px;
    height: 140px;
  }
  .station-title {
    font-size: 1.4rem;
  }
}