/* ===== VIRTUAL BANSURI ===== */
.bn-wrapper{display:flex;flex-direction:column;gap:24px;margin-bottom:28px}

/* Instrument Card */
.bn-instrument-card{background:linear-gradient(160deg,#1a0a00 0%,#2d1200 40%,#1a0800 100%);border-radius:24px;padding:32px;border:2px solid rgba(212,167,0,.3);box-shadow:0 20px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,200,50,.1);position:relative;overflow:hidden}
.bn-instrument-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:repeating-linear-gradient(90deg,transparent,transparent 40px,rgba(255,255,255,.015) 40px,rgba(255,255,255,.015) 41px);pointer-events:none}

/* Top Controls */
.bn-top-controls{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;margin-bottom:28px;padding:16px 20px;background:rgba(0,0,0,.3);border-radius:14px;border:1px solid rgba(212,167,0,.2)}
.bn-control-group{display:flex;align-items:center;gap:10px}
.bn-ctrl-label{font-size:12px;font-weight:700;color:#d4a700;white-space:nowrap;font-family:'Poppins',sans-serif}
.bn-top-controls input[type=range]{width:120px;height:5px;accent-color:#d4a700;cursor:pointer}
.bn-vol-val{font-size:12px;font-weight:700;color:#ffd700;min-width:36px}
.bn-select{background:#1a0a00;border:1.5px solid rgba(212,167,0,.4);border-radius:8px;padding:6px 10px;font-size:12px;color:#ffd700;outline:none;cursor:pointer;font-family:'Poppins',sans-serif}
.bn-breath-btns{display:flex;gap:5px}
.bn-breath-btn{background:rgba(0,0,0,.4);border:1.5px solid rgba(212,167,0,.3);border-radius:7px;padding:5px 12px;font-size:11px;font-weight:700;color:#a07000;cursor:pointer;transition:all .2s;font-family:'Poppins',sans-serif}
.bn-breath-btn.active{background:rgba(212,167,0,.2);border-color:#d4a700;color:#ffd700}
.bn-breath-btn:hover{border-color:#d4a700;color:#ffd700}

/* Note Display */
.bn-note-display{display:flex;align-items:center;justify-content:center;gap:24px;margin-bottom:32px}
.bn-note-circle{width:100px;height:100px;border-radius:50%;background:radial-gradient(circle,rgba(212,167,0,.15) 0%,rgba(0,0,0,.5) 100%);border:2px solid rgba(212,167,0,.3);display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s;position:relative}
.bn-note-circle.active{border-color:#ffd700;background:radial-gradient(circle,rgba(212,167,0,.3) 0%,rgba(0,0,0,.5) 100%);box-shadow:0 0 30px rgba(212,167,0,.4)}
.bn-note-sargam{font-size:32px;font-weight:900;color:#ffd700;font-family:'Yatra One','Poppins',sans-serif;line-height:1}
.bn-note-western{font-size:11px;color:#a07000;font-family:'Poppins',sans-serif;margin-top:4px}
.bn-note-waves{display:flex;align-items:center;gap:4px;height:60px}
.bn-wave{width:4px;background:linear-gradient(180deg,#ffd700,#d4a700);border-radius:4px;animation:bn-wave-idle 1.5s ease-in-out infinite}
.bn-wave:nth-child(1){height:20px;animation-delay:0s}
.bn-wave:nth-child(2){height:35px;animation-delay:.2s}
.bn-wave:nth-child(3){height:20px;animation-delay:.4s}
@keyframes bn-wave-idle{0%,100%{transform:scaleY(1)}50%{transform:scaleY(0.4);opacity:.5}}
.bn-note-waves.playing .bn-wave{animation:bn-wave-play .3s ease-in-out infinite alternate}
.bn-note-waves.playing .bn-wave:nth-child(1){height:40px}
.bn-note-waves.playing .bn-wave:nth-child(2){height:60px;animation-delay:.1s}
.bn-note-waves.playing .bn-wave:nth-child(3){height:40px;animation-delay:.2s}
@keyframes bn-wave-play{from{transform:scaleY(0.6)}to{transform:scaleY(1.2)}}

/* Flute Wrap */
.bn-flute-wrap{display:flex;align-items:center;gap:0;margin-bottom:24px}

/* Mouthpiece */
.bn-mouthpiece{width:64px;height:48px;background:linear-gradient(180deg,#c8962a 0%,#8b6010 50%,#c8962a 100%);border-radius:32px 0 0 32px;flex-shrink:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:2px solid rgba(212,167,0,.4);border-right:none;box-shadow:inset 0 2px 4px rgba(255,200,100,.2),inset 0 -2px 4px rgba(0,0,0,.4)}
.bn-mp-hole{width:16px;height:10px;background:#1a0800;border-radius:50%;border:1.5px solid rgba(0,0,0,.6);box-shadow:inset 0 2px 4px rgba(0,0,0,.8)}
.bn-mp-label{font-size:8px;color:rgba(255,200,100,.6);font-family:'Poppins',sans-serif;font-weight:700}

/* Flute Body */
.bn-flute-body{flex:1;height:48px;background:linear-gradient(180deg,#d4a020 0%,#a07010 30%,#7a5208 50%,#a07010 70%,#d4a020 100%);position:relative;border-top:2px solid rgba(212,167,0,.5);border-bottom:2px solid rgba(212,167,0,.5);box-shadow:inset 0 3px 6px rgba(255,200,100,.15),inset 0 -3px 6px rgba(0,0,0,.4),0 4px 20px rgba(0,0,0,.4);overflow:visible}

/* Bamboo nodes */
.bn-bamboo-node{position:absolute;top:-4px;bottom:-4px;width:6px;background:linear-gradient(180deg,#8b6010 0%,#5c3d05 50%,#8b6010 100%);border-radius:3px;border:1px solid rgba(212,167,0,.3)}

/* Holes Row */
.bn-holes-row{position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);display:flex;justify-content:space-around;align-items:center;padding:0 8%}
.bn-hole-wrap{display:flex;flex-direction:column;align-items:center;gap:0;position:relative}
.bn-hole-label{font-size:9px;font-weight:800;color:#ffd700;text-align:center;position:absolute;top:-42px;left:50%;transform:translateX(-50%);white-space:nowrap;font-family:'Poppins',sans-serif;line-height:1.3;background:rgba(0,0,0,.5);padding:2px 5px;border-radius:5px;border:1px solid rgba(212,167,0,.2)}
.bn-hole-label small{font-size:8px;color:#a07000;font-weight:400}
.bn-hole{width:26px;height:26px;border-radius:50%;background:radial-gradient(circle,#0a0400 60%,#1a0800 100%);border:2px solid rgba(0,0,0,.8);cursor:pointer;transition:all .2s;position:relative;box-shadow:inset 0 2px 6px rgba(0,0,0,.9),0 1px 3px rgba(0,0,0,.5)}
.bn-hole.small{width:20px;height:20px}
.bn-hole:hover{transform:scale(1.1);border-color:rgba(212,167,0,.6)}
.bn-hole.pressed{background:radial-gradient(circle,#3d2000 40%,#1a0800 100%);border-color:rgba(212,167,0,.8);box-shadow:inset 0 1px 3px rgba(0,0,0,.5),0 0 12px rgba(212,167,0,.5)}
.bn-hole.playing{background:radial-gradient(circle,#ffd700 0%,#d4a700 50%,#8b6010 100%);box-shadow:0 0 20px rgba(255,215,0,.8),inset 0 1px 3px rgba(255,255,200,.4)}
.bn-hole-inner{position:absolute;inset:3px;border-radius:50%;background:radial-gradient(circle,#050200 70%,#0d0600 100%)}
.bn-hole-glow{position:absolute;inset:0;border-radius:50%;opacity:0;background:radial-gradient(circle,rgba(255,215,0,.6) 0%,transparent 70%);transition:opacity .15s}
.bn-hole.playing .bn-hole-glow{opacity:1}
.bn-key-badge{position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.6);border:1px solid rgba(212,167,0,.3);border-radius:4px;padding:1px 5px;font-size:9px;font-weight:700;color:#a07000;font-family:'Poppins',sans-serif;white-space:nowrap}

/* Bell end */
.bn-bell{width:40px;height:60px;background:linear-gradient(180deg,#d4a020 0%,#a07010 30%,#7a5208 50%,#a07010 70%,#d4a020 100%);border-radius:0 30px 30px 0;flex-shrink:0;border:2px solid rgba(212,167,0,.4);border-left:none;box-shadow:inset -2px 0 8px rgba(0,0,0,.4)}

/* Sargam Legend */
.bn-sargam-legend{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:20px}
.bn-sargam-item{padding:6px 14px;border-radius:20px;font-size:13px;font-weight:700;color:#fff;font-family:'Poppins',sans-serif;border:2px solid var(--c);color:var(--c);background:rgba(0,0,0,.3);transition:all .2s}
.bn-sargam-item.active{background:var(--c);color:#fff}

/* ===== TUNES SECTION ===== */
.bn-tunes-section{background:linear-gradient(135deg,#0d1a0d,#1a2d1a);border-radius:20px;padding:24px;border:2px solid rgba(46,204,113,.2)}
.bn-tunes-title{font-size:18px;font-weight:800;color:#2ecc71;margin-bottom:16px;font-family:'Poppins',sans-serif;text-align:center}
.bn-tunes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.bn-tune-card{background:rgba(0,0,0,.4);border:1.5px solid rgba(46,204,113,.2);border-radius:12px;padding:14px 10px;text-align:center;cursor:pointer;transition:all .25s}
.bn-tune-card:hover{border-color:#2ecc71;background:rgba(46,204,113,.1);transform:translateY(-3px)}
.bn-tune-card.playing{border-color:#2ecc71;background:rgba(46,204,113,.2);box-shadow:0 0 16px rgba(46,204,113,.3)}
.bn-tune-icon{font-size:28px;margin-bottom:6px}
.bn-tune-name{font-size:12px;font-weight:700;color:#e8f5e9;margin-bottom:3px;font-family:'Poppins',sans-serif}
.bn-tune-type{font-size:10px;color:#2ecc71;font-weight:600;margin-bottom:4px}
.bn-tune-notes{font-size:9px;color:#4a7a4a;font-family:monospace}
.bn-tune-controls{display:flex;align-items:center;gap:12px;justify-content:center}
.bn-tune-stop{background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;border:none;border-radius:10px;padding:9px 24px;font-size:13px;font-weight:700;cursor:pointer;transition:all .2s;font-family:'Poppins',sans-serif}
.bn-tune-stop:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(231,76,60,.4)}
.bn-tune-status{font-size:12px;color:#2ecc71;font-weight:600;font-family:'Poppins',sans-serif}

/* ===== KEYBOARD GUIDE ===== */
.bn-keyboard-guide{background:linear-gradient(135deg,#0d0d1a,#1a1a2d);border-radius:16px;padding:20px;border:2px solid rgba(99,102,241,.2)}
.bn-kg-title{font-size:15px;font-weight:800;color:#a5b4fc;margin-bottom:14px;text-align:center;font-family:'Poppins',sans-serif}
.bn-kg-grid{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.bn-kg-item{display:flex;align-items:center;gap:7px;font-size:12px;color:#8b8fad;font-family:'Poppins',sans-serif}
kbd{background:linear-gradient(180deg,#2d2d4e,#1a1a2e);border:1.5px solid #4b4b6b;border-bottom:3px solid #1a1a2e;border-radius:6px;padding:3px 9px;font-size:11px;color:#a5b4fc;font-family:monospace;font-weight:700;box-shadow:0 2px 4px rgba(0,0,0,.4)}

/* Info Box */
.info-box{background:linear-gradient(135deg,#1a0a00,#2d1500);border-radius:16px;padding:24px;border:2px solid rgba(212,167,0,.2)}
.info-box h4{color:#ffd700;font-size:18px;margin-bottom:14px;font-family:'Yatra One','Poppins',sans-serif}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}
.info-item{background:rgba(0,0,0,.3);border-radius:11px;padding:13px;font-size:13px;color:#a07000;line-height:1.6;border:1px solid rgba(212,167,0,.15);font-family:'Poppins',sans-serif}
.info-item strong{display:block;color:#d4a700;font-size:13px;font-weight:700;margin-bottom:3px}

/* Responsive */
@media(max-width:900px){.bn-tunes-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){
    .bn-tunes-grid{grid-template-columns:repeat(2,1fr)}
    .bn-top-controls{flex-direction:column;align-items:flex-start}
    .bn-flute-wrap{flex-direction:column;align-items:stretch}
    .bn-mouthpiece{width:100%;height:36px;border-radius:12px 12px 0 0;border-right:2px solid rgba(212,167,0,.4);border-bottom:none;flex-direction:row;gap:10px}
    .bn-flute-body{height:80px}
    .bn-bell{width:100%;height:32px;border-radius:0 0 12px 12px;border-left:2px solid rgba(212,167,0,.4);border-top:none}
    .bn-holes-row{padding:0 4%}
    .bn-hole{width:22px;height:22px}
    .bn-hole.small{width:16px;height:16px}
    .bn-hole-label{font-size:8px;top:-36px}
    .bn-note-display{flex-direction:column;gap:12px}
    .bn-note-circle{width:80px;height:80px}
    .bn-note-sargam{font-size:26px}
}
@media(max-width:400px){
    .bn-holes-row{padding:0 2%}
    .bn-hole{width:18px;height:18px}
    .bn-hole.small{width:14px;height:14px}
    .bn-tunes-grid{grid-template-columns:1fr 1fr}
}