/* ============================================= */
/* VARIABLES GLOBALES */
/* ============================================= */

:root {
  /* Colores principales */
  --color-primary: #121212;
  --color-secondary: #000000;
  --color-accent: #DAA520;
  --color-accent-light: rgba(218, 165, 32, 0.3);
  --color-white: #ffffff;
  --color-black: #000000;
  --color-text: #121212;
  --color-text-light: rgba(18, 18, 18, 0.7);
  
  /* Espaciados */
  --spacing-xs: 6px;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 30px;
  --spacing-xl: 40px;
  
  /* Bordes y sombras */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 50px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: -1px -1px 29px -1px rgba(0, 0, 0, 0.75);
  
  /* Transiciones */
  --transition-fast: 0.2s;
  --transition-normal: 0.3s;
  --transition-slow: 0.5s;
}

/* ============================================= */
/* ESTILOS BASE */
/* ============================================= */

* {
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: var(--color-accent-light);
    font-family: 'Montserrat', sans-serif;
    display: flex;
    flex-direction: column;
}

.container-fluid {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: var(--spacing-md);
}

/* ============================================= */
/* LOGO SVG - MÁS PEGADO AL ARTISTA/TÍTULO */
/* ============================================= */

.logo {
    width: 275px;
    height: auto;
    display: block;
    margin: 0 auto;
    margin-bottom: 4px; /* REDUCIDO A 4px */
}

@media (max-width: 768px) {
    .logo {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .logo {
        width: 180px;
    }
}

/* ============================================= */
/* INFORMACIÓN DEL TRACK - MÁS PEGADO AL LOGO */
/* ============================================= */

#np_current_artist {
    margin-top: 8px; /* REDUCIDO A 8px */
    color: var(--color-text);
    text-align: center;
    font-size: 100%;
    font-weight: bold;
}

#np_current_title {
    margin-top: 2px; /* REDUCIDO A 2px */
    color: var(--color-text);
    text-align: center;
    font-size: 100%;
    font-weight: normal;
}

/* ============================================= */
/* CONTENEDOR DE IMAGEN DEL TRACK - MÁS SEPARADO DEL ARTISTA/TÍTULO */
/* ============================================= */

.container-artwork {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 250px;
    margin-top: 40px; /* AUMENTADO A 40px */
    margin-bottom: var(--spacing-md);
}

.np_track_artwork {
    width: 100%;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-slow);
}

.np_track_artwork img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================= */
/* REPRODUCTOR Y CONTROLES */
/* ============================================= */

#player {
    margin-top: var(--spacing-md);
    background-color: var(--color-accent);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 30px;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: opacity var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
}

@media (hover: hover) {
    #player:hover {
        opacity: 0.5;
        color: var(--color-primary);
        border-color: var(--color-primary);
    }
}

#player:focus {
    outline: none;
}

/* ============================================= */
/* VOLUME CONTROL - MÁS SEPARADO DEL BOTÓN PLAY */
/* ============================================= */

.volume-control-container {
    display: flex;
    align-items: center;
    margin-top: 30px; /* AUMENTADO A 30px */
}

#volumeControl {
    appearance: none;
    -webkit-appearance: none;
    width: 125%;
    height: 8px;
    background: linear-gradient(to right, var(--color-primary) 80%, #ccc 80%);
    outline: none;
    opacity: 0.9;
    transition: opacity var(--transition-fast);
    margin: 0 10px;
    border-radius: 10px;
}

#volumeControl:hover {
    opacity: 1;
}

#volumeControl::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    cursor: pointer;
    border-radius: var(--radius-lg);
}

#volumeControl::-moz-range-thumb,
#volumeControl::-ms-thumb {
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    cursor: pointer;
    border-radius: var(--radius-lg);
}

.volume-button {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 26px;
    cursor: pointer;
    padding: 0 10px;
}

/* ============================================= */
/* BOTÓN HISTORIAL DE CANCIONES */
/* ============================================= */

.history-button {
    margin-left: 10px; /* Separación de las redes sociales */
}

.history-button a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    background-color: transparent;
}

.history-button a:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(218, 165, 32, 0.3);
    opacity: 1;
}

.history-button a svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    transition: fill var(--transition-normal);
}

.history-button a:hover svg {
    fill: var(--color-primary);
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .history-button {
        margin-left: 30px;
    }
    
    .history-button a {
        width: 48px;
        height: 48px;
    }
    
    .history-button a svg {
        width: 26px;
        height: 26px;
    }
}

@media (max-width: 480px) {
    .history-button {
        margin-left: 20px;
    }
    
    .history-button a {
        width: 45px;
        height: 45px;
    }
    
    .history-button a svg {
        width: 24px;
        height: 24px;
    }
}

/* ============================================= */
/* REDES SOCIALES - MÁS PEGADO AL FOOTER */
/* ============================================= */

.redes ul {
    list-style: none;
    display: flex;
    margin-top: 100px; /* REDUCIDO A 10px */
    margin-bottom: 10px; /* AÑADIDO 8px de espacio hacia el footer */
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 0;
}

.redes ul li a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    background-color: transparent;
}

.redes ul li a:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(218, 165, 32, 0.3);
    opacity: 1;
}

.redes ul li a svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    transition: fill var(--transition-normal);
}

.redes ul li a:hover svg {
    fill: var(--color-primary);
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .redes ul {
        gap: 15px;
    }
    
    .redes ul li a {
        width: 48px;
        height: 48px;
    }
    
    .redes ul li a svg {
        width: 26px;
        height: 26px;
    }
}

@media (max-width: 480px) {
    .redes ul {
        gap: 12px;
    }
    
    .redes ul li a {
        width: 45px;
        height: 45px;
    }
    
    .redes ul li a svg {
        width: 24px;
        height: 24px;
    }
}

/* ============================================= */
/* FOOTER - MÁS PEGADO A REDES SOCIALES */
/* ============================================= */

#footer {
    background-color: transparent;
    color: var(--color-text);
    text-align: center;
    padding: 20px 0; /* REDUCIDO A 6px */
    font-size: 16px;
    width: 100%;
    box-sizing: border-box;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 0;
}

#footer p {
    margin: 0;
    padding: 0;
    text-align: center;
}

#footer a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    transition: opacity var(--transition-normal) ease;
}

#footer a:hover {
    opacity: 0.5;
}

@media (max-width: 600px) {
    #footer {
        font-size: 14px;
        padding: 4px 0; /* Aún más reducido en móvil */
    }
}

/* ============================================= */
/* BANNER PWA INSTALL */
/* ============================================= */

#install-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--color-accent) 0%, #e6b800 100%);
    color: var(--color-primary);
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: center;
    z-index: 1000;
    font-family: 'Montserrat', sans-serif;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    border-top: 3px solid var(--color-primary);
    backdrop-filter: blur(10px);
}

#install-banner p {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
}

#install-banner .banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 400px;
    margin: 0 auto;
}

#install-banner .banner-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
    width: 100%;
}

#install-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    min-width: 100px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
}

#install-button:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

#install-button:active {
    transform: translateY(0);
}

#dismiss-button {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    min-width: 80px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

#dismiss-button:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

#dismiss-button:active {
    transform: translateY(0);
}

/* Efectos de animación al aparecer */
@keyframes slideUpBanner {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

#install-banner.show {
    display: block;
    animation: slideUpBanner 0.4s ease-out;
}

/* Responsive - BOTONES SIEMPRE HORIZONTAL */
@media (max-width: 480px) {
    #install-banner {
        padding: 12px 10px;
    }
    
    #install-banner p {
        font-size: 13px;
        margin-bottom: 10px;
        padding: 0 5px;
    }
    
    #install-banner .banner-buttons {
        gap: 10px;
    }
    
    #install-button,
    #dismiss-button {
        padding: 6px 12px;
        font-size: 11px;
        min-width: 90px;
    }
    
    #install-button {
        min-width: 100px;
    }
    
    #dismiss-button {
        min-width: 70px;
    }
}

/* Para pantallas MUY pequeñas (menos de 350px) */
@media (max-width: 350px) {
    #install-banner {
        padding: 10px 8px;
    }
    
    #install-banner .banner-buttons {
        gap: 8px;
    }
    
    #install-button,
    #dismiss-button {
        padding: 5px 10px;
        font-size: 10px;
        min-width: 80px;
    }
    
    #install-button {
        min-width: 90px;
    }
    
    #dismiss-button {
        min-width: 60px;
    }
    
    #install-banner p {
        font-size: 12px;
        margin-bottom: 8px;
    }
}

/* Mejora para modo oscuro */
@media (prefers-color-scheme: dark) {
    #install-banner {
        background: linear-gradient(135deg, var(--color-accent) 0%, #b8860b 100%);
    }
}

/* ============================================= */
/* POPUP DE ACTUALIZACIÓN PWA */
/* ============================================= */

#updatePopup {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--color-primary);
    animation: slideInUp 0.3s ease-out;
}

#updatePopup.show {
    display: block;
}

#reloadButton {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-sm);
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#reloadButton:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-1px);
}

@keyframes slideInUp {
    from {
        transform: translateX(-50%) translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* Para no interferir con el banner de instalación */
#install-banner.show ~ #updatePopup {
    bottom: 80px; /* Aparece arriba del banner de instalación */
}