:root{
    --primary:#2563eb;
    --primary-dark:#1d4ed8;
    --primary-glow:rgba(37,99,235,0.25);
    --bg-1:#f8fafc;
    --bg-2:#f1f5f9;
    --header-bg:#ffffff;
    --footer-bg:#ffffff;
    --text-primary:#0f172a;
    --text-secondary:#334155;
    --text-muted:#64748b;
    --footer-text:#1e293b;
    --footer-light:#475569;
    --border-light:#e2e8f0;
    --player-bg:rgba(255,255,255,0.8);
    --whatsapp:#25D366;
    --whatsapp-dark:#128C7E;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Segoe UI',sans-serif;
    background:linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 100%);
    color:var(--text-primary);
    display:flex;
    flex-direction:column;
    min-height:100vh;
}

/* ================= HEADER ================= */

header{
    padding:12px 20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:var(--header-bg);
    border-bottom:1px solid var(--border-light);
    box-shadow:0 4px 20px rgba(0,0,0,0.05);
}

.header-left{
    display:flex;
    align-items:center;
    gap:15px;
}

.header-logo{
    width:60px;
    height:60px;
    border-radius:50%;
    overflow:hidden;
    border:2px solid var(--primary);
    box-shadow:0 0 15px var(--primary-glow);
    flex-shrink:0;
}

.header-logo img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.footer-brand-text{
    display:flex;
    flex-direction:column;
}

.footer-brand-text h2{
    color:var(--primary);
    font-size:24px;
    font-weight:600;
    margin:0;
    line-height:1.2;
}

.footer-brand-text h2 span{
    color:var(--primary);
    font-weight:700;
    margin-left:4px;
}

.footer-brand-text p{
    font-size:14px;
    color:var(--text-secondary);
    margin-top:2px;
    letter-spacing:0.3px;
}

.social{
    display:flex;
    gap:12px;
}

.social a{
    color:var(--text-secondary);
    font-size:18px;
    transition:all 0.2s ease;
    width:36px;
    height:36px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:rgba(0,0,0,0.02);
    border:1px solid var(--border-light);
    text-decoration:none;
}

.social a[aria-label="Facebook"]:hover{
    color:white;
    background:#1877f2;
    transform:translateY(-2px);
    border-color:#1877f2;
    box-shadow:0 5px 15px rgba(24,119,242,0.4);
}

.social a[aria-label="Instagram"]:hover{
    color:white;
    background:linear-gradient(45deg, #f09433, #d62976, #962fbf, #4f5bd5);
    transform:translateY(-2px);
    border-color:transparent;
    box-shadow:0 5px 15px rgba(225,48,108,0.4);
}

.social a[aria-label="YouTube"]:hover{
    color:white;
    background:#ff0000;
    transform:translateY(-2px);
    border-color:#ff0000;
    box-shadow:0 5px 15px rgba(255,0,0,0.4);
}

.social a[aria-label="TikTok"]:hover{
    color:white;
    background:#000000;
    transform:translateY(-2px);
    border-color:#000000;
    box-shadow:0 5px 15px rgba(0,0,0,0.4);
    position:relative;
    overflow:hidden;
}

.social a[aria-label="TikTok"]:hover::after{
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    background:linear-gradient(45deg, #25f4ee, #fe2c55);
    opacity:0.7;
    z-index:-1;
}

/* ================= PLAYER ================= */

.player-section{
    flex:1;
    display:flex;
    flex-direction:column;
    justify-content:flex-start; /* Cambiado de center a flex-start */
    align-items:center;
    padding:20px 15px 30px;
    text-align:center;
    min-height:calc(100vh - 200px); /* Altura mínima para asegurar visibilidad */
}

.player-wrapper{
    position:relative;
    width:min(85vw,420px);
    aspect-ratio:1/1;
    margin-bottom:15px; /* Reducido */
}

#visualizer{
    position:absolute;
    inset:0;
    background:transparent;
    pointer-events:none;
    z-index:1;
}

.logo-center{
    position:absolute;
    width:55%;
    height:55%;
    border-radius:50%;
    overflow:hidden;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    box-shadow:0 12px 30px rgba(0,0,0,0.1), 0 0 30px var(--primary-glow);
    z-index:2;
    border:2px solid rgba(37,99,235,0.3);
}

.logo-center img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.logo-rotate{
    animation:spin 20s linear infinite;
}

@keyframes spin{
    from{transform:translate(-50%,-50%) rotate(0deg);}
    to{transform:translate(-50%,-50%) rotate(360deg);}
}

.play-btn{
    width:60px;
    height:60px;
    border-radius:50%;
    border:none;
    font-size:20px;
    background:var(--primary);
    color:white;
    cursor:pointer;
    box-shadow:0 6px 20px var(--primary-glow);
    transition:all 0.2s ease;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
}

.play-btn:hover{
    transform:scale(1.05);
    background:var(--primary-dark);
}

.play-btn.stop-mode{
    background:#dc2626;
    box-shadow:0 6px 20px rgba(220,38,38,0.3);
}

.play-btn.stop-mode:hover{
    background:#b91c1c;
}

/* ===== CONTROLES ===== */
.player-controls-row{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:20px;
    width:100%;
    max-width:500px;
    margin:10px auto 5px; /* Reducido */
    padding:10px 20px;
    background:rgba(255,255,255,0.05);
    border-radius:60px;
    border:1px solid var(--border-light);
    backdrop-filter:blur(5px);
}

.volume-control{
    display:flex;
    align-items:center;
    gap:8px;
    color:var(--text-secondary);
    flex:1;
    max-width:200px;
}

.volume-control i{
    font-size:14px;
    width:16px;
    color:var(--primary);
}

/* BARRA DE VOLUMEN MEJORADA */
.volume-slider{
    width:100%;
    height:6px;
    -webkit-appearance:none;
    background:linear-gradient(90deg, var(--primary) 0%, var(--primary) 80%, rgba(255,255,255,0.2) 80%);
    border-radius:10px;
    outline:none;
    cursor:pointer;
}

/* Estilo para WebKit (Chrome, Safari, Edge) */
.volume-slider::-webkit-slider-thumb{
    -webkit-appearance:none;
    width:16px;
    height:16px;
    border-radius:50%;
    background:white;
    border:2px solid var(--primary);
    cursor:pointer;
    box-shadow:0 0 10px var(--primary-glow), 0 2px 5px rgba(0,0,0,0.2);
    margin-top:-5px;
    transition:transform 0.1s ease;
}

.volume-slider::-webkit-slider-thumb:hover{
    transform:scale(1.15);
    background:var(--primary);
    box-shadow:0 0 15px var(--primary-glow);
}

.volume-slider::-webkit-slider-runnable-track{
    width:100%;
    height:6px;
    background:linear-gradient(90deg, var(--primary) 0%, var(--primary) 80%, rgba(255,255,255,0.2) 80%);
    border-radius:10px;
}

/* Estilo para Firefox */
.volume-slider::-moz-range-track{
    width:100%;
    height:6px;
    background:linear-gradient(90deg, var(--primary) 0%, var(--primary) 80%, rgba(255,255,255,0.2) 80%);
    border-radius:10px;
}

.volume-slider::-moz-range-thumb{
    width:16px;
    height:16px;
    border-radius:50%;
    background:white;
    border:2px solid var(--primary);
    cursor:pointer;
    box-shadow:0 0 10px var(--primary-glow), 0 2px 5px rgba(0,0,0,0.2);
    transition:transform 0.1s ease;
}

.volume-slider::-moz-range-thumb:hover{
    transform:scale(1.15);
    background:var(--primary);
    box-shadow:0 0 15px var(--primary-glow);
}

.volume-slider::-moz-range-progress{
    height:6px;
    background:var(--primary);
    border-radius:10px;
}

/* Título metadata - NUEVO ESTILO */
.song-title{
    font-size:14px;
    font-weight:500;
    color:var(--text-primary);
    background:white;
    padding:8px 20px;
    border-radius:30px;
    border:2px solid var(--primary);
    display:block;
    width:90%;
    max-width:500px;
    margin:10px auto 15px;
    text-align:center;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    box-shadow:0 2px 5px rgba(0,0,0,0.05);
}

/* ===== WHATSAPP BUTTON MEJORADO - MÁS VISIBLE ===== */
.whatsapp-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:15px;
    background:linear-gradient(145deg, #25D366, #128C7E);
    color:white;
    text-decoration:none;
    font-weight:700;
    font-size:18px;
    padding:18px 32px;
    border-radius:60px;
    margin:15px auto 10px; /* Reducido margen superior */
    width:90%;
    max-width:500px;
    box-shadow:0 15px 30px rgba(0,0,0,0.3), 0 0 0 2px rgba(37,211,102,0.3), 0 0 20px rgba(37,211,102,0.5);
    transition:all 0.3s ease;
    border:1px solid rgba(255,255,255,0.2);
    text-transform:uppercase;
    letter-spacing:1px;
    position:relative;
    overflow:hidden;
    z-index:1;
}

.whatsapp-btn::before{
    content:"";
    position:absolute;
    top:0;
    left:-100%;
    width:100%;
    height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition:left 0.5s ease;
    z-index:-1;
}

.whatsapp-btn:hover::before{
    left:100%;
}

.whatsapp-btn i{
    font-size:28px;
    filter:drop-shadow(0 2px 5px rgba(0,0,0,0.3));
    animation:whatsappPulse 2s infinite;
}

@keyframes whatsappPulse{
    0%{transform:scale(1);}
    50%{transform:scale(1.1);}
    100%{transform:scale(1);}
}

.whatsapp-btn span{
    flex:1;
    text-align:center;
    text-shadow:0 2px 5px rgba(0,0,0,0.3);
}

.whatsapp-btn:hover{
    background:linear-gradient(145deg, #128C7E, #0e6b5e);
    transform:translateY(-3px) scale(1.02);
    box-shadow:0 20px 40px rgba(0,0,0,0.4), 0 0 0 3px rgba(37,211,102,0.5), 0 0 30px rgba(37,211,102,0.8);
    border-color:rgba(255,255,255,0.3);
}

.whatsapp-btn:active{
    transform:translateY(-1px) scale(0.98);
    box-shadow:0 10px 20px rgba(0,0,0,0.3), 0 0 0 2px rgba(37,211,102,0.5);
}

/* Indicador de carga */
.loading-indicator{
    font-size:12px;
    color:var(--text-secondary);
    margin-top:5px;
    display:none;
    padding:4px 12px;
    border-radius:20px;
    background:rgba(0,0,0,0.02);
    backdrop-filter:blur(5px);
    border:1px solid var(--border-light);
    transition:all 0.2s ease;
}

.loading-indicator.show{
    display:inline-block;
}

.loading-indicator.error{
    color:#dc2626;
    background:rgba(220,38,38,0.05);
    border-color:rgba(220,38,38,0.3);
}

.loading-indicator.success{
    color:#10b981;
    background:rgba(16,185,129,0.05);
    border-color:rgba(16,185,129,0.3);
}

/* ================= FOOTER ================= */

footer{
    background:var(--footer-bg);
    color:var(--footer-text);
    padding:30px 20px 20px;
    margin-top:20px; /* Reducido */
    border-top:1px solid var(--border-light);
    box-shadow:0 -10px 30px rgba(0,0,0,0.05);
}

.footer-container{
    max-width:1200px;
    margin:0 auto;
}

.footer-info{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:30px;
    margin-bottom:25px;
}

.footer-brand{
    display:flex;
    align-items:center;
    gap:15px;
}

.footer-logo{
    width:70px;
    height:70px;
    border-radius:50%;
    overflow:hidden;
    border:2px solid var(--primary);
    box-shadow:0 0 20px var(--primary-glow);
    flex-shrink:0;
}

.footer-logo img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.footer-brand-text{
    display:flex;
    flex-direction:column;
}

.footer-brand-text h2{
    font-size:24px;
    font-weight:600;
    color:var(--text-primary);
    margin:0 0 5px;
}

.footer-brand-text h2 span{
    color:var(--primary);
}

.footer-brand-text p{
    font-size:14px;
    color:var(--footer-light);
    margin:0;
}

.footer-contact{
    display:flex;
    flex-direction:column;
    gap:10px;
}

.contact-item{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    color:var(--footer-text);
}

.contact-item i{
    width:20px;
    color:var(--primary);
    font-size:15px;
}

.contact-item a{
    color:var(--footer-text);
    text-decoration:none;
    transition:color 0.2s ease;
}

.contact-item a:hover{
    color:var(--primary);
}

.footer-divider{
    height:1px;
    background:var(--border-light);
    margin:20px 0;
}

.footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:15px;
    font-size:13px;
    color:var(--footer-light);
}

.footer-copyright{
    display:flex;
    align-items:center;
    gap:5px;
    flex-wrap:wrap;
}

.footer-copyright i{
    color:#ff4d4d;
    font-size:13px;
}

.footer-copyright a{
    color:var(--footer-text);
    text-decoration:none;
    font-weight:500;
}

.footer-copyright a:hover{
    color:var(--primary);
}

.footer-social{
    display:flex;
    gap:12px;
}

.footer-social a{
    color:var(--footer-light);
    font-size:17px;
    transition:all 0.2s ease;
    width:34px;
    height:34px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:rgba(0,0,0,0.02);
    border:1px solid var(--border-light);
    text-decoration:none;
}

.footer-social a[aria-label="Facebook"]:hover{
    color:white;
    background:#1877f2;
    transform:translateY(-2px);
    border-color:#1877f2;
    box-shadow:0 5px 15px rgba(24,119,242,0.4);
}

.footer-social a[aria-label="Instagram"]:hover{
    color:white;
    background:linear-gradient(45deg, #f09433, #d62976, #962fbf, #4f5bd5);
    transform:translateY(-2px);
    border-color:transparent;
    box-shadow:0 5px 15px rgba(225,48,108,0.4);
}

.footer-social a[aria-label="YouTube"]:hover{
    color:white;
    background:#ff0000;
    transform:translateY(-2px);
    border-color:#ff0000;
    box-shadow:0 5px 15px rgba(255,0,0,0.4);
}

.footer-social a[aria-label="TikTok"]:hover{
    color:white;
    background:#000000;
    transform:translateY(-2px);
    border-color:#000000;
    box-shadow:0 5px 15px rgba(0,0,0,0.4);
    position:relative;
    overflow:hidden;
}

.footer-social a[aria-label="TikTok"]:hover::after{
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    background:linear-gradient(45deg, #25f4ee, #fe2c55);
    opacity:0.7;
    z-index:-1;
}

/* ================= RESPONSIVE ================= */

@media(min-width:1024px){
    .player-wrapper{
        width:min(60vw,650px);
    }
    
    .logo-center{
        width:50%;
        height:50%;
    }
    
    .play-btn{
        width:70px;
        height:70px;
        font-size:24px;
    }
    
    .whatsapp-btn{
        font-size:20px;
        padding:20px 40px;
        max-width:550px;
        gap:20px;
    }
    
    .whatsapp-btn i{
        font-size:32px;
    }
}

@media(max-width:768px){
    header{
        flex-direction:column;
        gap:15px;
        padding:15px;
    }

    .header-left{
        width:100%;
        justify-content:center;
    }

    .header-logo{
        width:50px;
        height:50px;
    }

    .footer-brand-text h2{
        font-size:20px;
        text-align:left;
    }

    .footer-brand-text p{
        font-size:13px;
    }

    .social{
        width:100%;
        justify-content:center;
    }

    .player-wrapper{
        width:85vw;
    }

    .logo-center{
        width:60%;
        height:60%;
    }

    .play-btn{
        width:58px;
        height:58px;
    }
    
    .player-controls-row{
        gap:15px;
        padding:8px 15px;
    }
    
    .volume-control{
        max-width:150px;
    }
    
    .song-title{
        font-size:13px;
        padding:6px 15px;
        margin:8px auto 12px;
        width:95%;
    }
    
    .whatsapp-btn{
        width:95%;
        padding:16px 24px;
        font-size:17px;
        gap:12px;
        margin:15px auto 10px;
        border-radius:50px;
    }
    
    .whatsapp-btn i{
        font-size:26px;
    }
    
    .footer-info{
        flex-direction:column;
        text-align:center;
    }
    
    .footer-brand{
        flex-direction:column;
        text-align:center;
    }
    
    .footer-contact{
        align-items:center;
    }
    
    .footer-bottom{
        flex-direction:column-reverse;
        text-align:center;
    }
}

@media(max-width:480px){
    .player-section{
        padding:15px 10px 20px;
        min-height:auto;
    }
    
    .player-wrapper{
        width:90vw;
        margin-bottom:10px;
    }
    
    .player-controls-row{
        width:95%;
        padding:8px 12px;
        margin:5px auto;
    }
    
    .volume-control{
        gap:5px;
    }
    
    .volume-slider{
        width:80px;
    }
    
    .song-title{
        font-size:12px;
        padding:5px 12px;
        margin:5px auto 8px;
    }
    
    .whatsapp-btn{
        padding:14px 20px;
        font-size:16px;
        gap:10px;
        margin:10px auto 5px;
    }
    
    .whatsapp-btn i{
        font-size:24px;
    }
    
    footer{
        margin-top:10px;
        padding:20px 15px 15px;
    }
}

@media(max-width:380px){
    .song-title{
        font-size:11px;
        padding:4px 10px;
    }
    
    .whatsapp-btn{
        padding:12px 16px;
        font-size:15px;
    }
    
    .whatsapp-btn i{
        font-size:22px;
    }
}