:root{
  /* Theme v2: deep navy surfaces + sky-blue primary (dark-first) */
  --bg:#080d17;--bg2:#0d1422;--panel:rgba(16,24,40,.84);--panel2:rgba(21,31,50,.88);
  --line:rgba(110,160,255,.14);--line2:rgba(110,170,255,.24);--text:#f3f7fd;--muted:#8d9ab0;
  --pink:#27a9ff;--purple:#1f6fe0;--cyan:#52c4ff;--green:#34d699;--red:#ff5c72;--orange:#ffb15c;
  --primary:#27a9ff;--primary-hi:#5cc3ff;--primary-dim:#1a78d8;--violet:#8b7cf6;
  --font-sans:'Inter',ui-sans-serif,system-ui,sans-serif;--font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --shadow:0 24px 70px rgba(0,0,0,.38);--radius:18px;
  --glow-primary:0 0 60px -10px rgba(39,169,255,.5),0 0 140px -30px rgba(39,169,255,.3);--glow-soft:0 0 40px -8px rgba(39,169,255,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overscroll-behavior-y:contain}
body{margin:0;min-height:100vh;min-height:100dvh;background:radial-gradient(900px 520px at 70% -8%,rgba(39,169,255,.20),transparent 65%),radial-gradient(700px 450px at 8% 28%,rgba(47,124,246,.10),transparent 65%),var(--bg);color:var(--text);font:14px/1.45 var(--font-sans);overflow-x:hidden;overscroll-behavior-y:contain}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 80%)}
button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}
.topbar{height:72px;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(10px,3vw,34px);background:rgba(7,9,13,.72);backdrop-filter:blur(22px);border-bottom:1px solid var(--line)}
.topbar-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}
.brand{display:flex;align-items:center;font:700 16px var(--font-sans);letter-spacing:1.3px;text-decoration:none;white-space:nowrap;flex-shrink:0}.brand em{color:var(--pink);font-style:normal}.brand-mark{display:grid;place-items:center;width:34px;height:34px;margin-right:9px;border-radius:11px;background:linear-gradient(135deg,var(--pink),var(--purple));box-shadow:0 8px 30px rgba(39,169,255,.28)}
.status-deck{display:flex;gap:14px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.5px}.status-deck span{display:flex;align-items:center;gap:5px}.led{width:7px;height:7px;border-radius:50%;background:#3a4558;display:inline-block}.active-blue{background:var(--cyan);box-shadow:0 0 12px var(--cyan)}.active-green{background:var(--green);box-shadow:0 0 12px var(--green)}.active-red,.active-rec{background:var(--red);box-shadow:0 0 12px var(--red)}
.button{border:1px solid var(--line2);color:var(--text);background:rgba(255,255,255,.055);border-radius:13px;padding:10px 14px;font-weight:700;font-size:12px;transition:.18s transform,.18s filter,.18s background}.button:hover,.icon-button:hover{filter:brightness(1.18);transform:translateY(-1px)}.button:active,.icon-button:active{transform:translateY(0)}.button-primary{border:0;background:linear-gradient(135deg,var(--pink),#2f7cf6);box-shadow:0 12px 30px rgba(39,169,255,.22)}.button-live{color:#fff;border-color:rgba(255,92,114,.5);background:rgba(255,92,114,.12)}.button-record{background:linear-gradient(135deg,rgba(255,92,114,.2),rgba(39,169,255,.12));border-color:rgba(255,92,114,.45)}.button-quiet{background:rgba(255,255,255,.035)}
.app-shell{width:min(1540px,100%);margin:auto;display:grid;grid-template-columns:82px minmax(0,1fr) 350px;gap:18px;padding:18px 22px 36px}.sidebar{position:sticky;top:90px;height:max-content;display:grid;gap:7px;padding:7px}.nav-link{color:var(--muted);text-decoration:none;border-radius:17px;padding:12px 5px;text-align:center;display:grid;gap:5px;font-size:20px;transition:.18s}.nav-link span{font-size:10px;font-weight:700}.nav-link:hover,.nav-link.active{color:#fff;background:linear-gradient(145deg,rgba(39,169,255,.19),rgba(47,124,246,.16));box-shadow:inset 0 0 0 1px var(--line2),0 8px 28px rgba(0,0,0,.18)}
.studio-main{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(280px,.88fr);gap:18px;align-content:start}.stage-card{grid-column:1/-1;min-height:430px;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:30px;padding:24px;background:linear-gradient(145deg,rgba(22,50,92,.42),rgba(12,15,21,.93) 52%),var(--panel);box-shadow:var(--shadow)}.stage-card:after{content:"";position:absolute;width:320px;height:320px;right:-110px;top:-120px;border-radius:50%;background:radial-gradient(circle,rgba(39,169,255,.25),transparent 68%);pointer-events:none}.eyebrow{font-size:10px;color:var(--muted);font-weight:800;letter-spacing:1.5px;margin:0 0 7px}.eyebrow span{color:var(--green);float:right}.stage-visual{height:180px;position:relative;margin:14px -24px 16px;background:radial-gradient(ellipse 70% 60% at 50% 75%,rgba(82,196,255,.06),transparent 75%),linear-gradient(180deg,rgba(7,10,16,.35),rgba(3,5,8,.65));border-radius:18px;border:1px solid rgba(255,255,255,.06);box-shadow:inset 0 0 25px rgba(0,0,0,.45);overflow:hidden}.stage-visual:before{content:"";position:absolute;left:4%;right:4%;bottom:18px;height:1px;background:linear-gradient(90deg,transparent,rgba(82,196,255,.45),rgba(39,169,255,.45),transparent);z-index:1;pointer-events:none}.stage-visual canvas{width:100%;height:100%;display:block}.hud-overlay{position:absolute;inset:0;padding:12px 16px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;contain:layout style}.hud-overlay span{font-size:10px;font-weight:700;letter-spacing:.8px;color:var(--cyan);padding:6px 11px;border:1px solid rgba(82,196,255,.3);border-radius:999px;background:rgba(7,10,15,.88);box-shadow:0 0 10px rgba(82,196,255,.12);text-shadow:0 0 8px rgba(82,196,255,.4);contain:layout style}.hud-overlay span+span{color:var(--green);border-color:rgba(103,248,170,.25);text-shadow:0 0 8px rgba(103,248,170,.4)}#hudAccel{color:var(--cyan)!important;border-color:rgba(82,196,255,.35)!important;text-shadow:0 0 8px rgba(82,196,255,.5)}
.now-playing{display:flex;align-items:center;gap:14px}.artwork{width:68px;height:68px;display:grid;place-items:center;flex:0 0 auto;border-radius:20px;font-size:29px;background:linear-gradient(145deg,var(--pink),var(--purple));box-shadow:0 12px 34px rgba(39,169,255,.25)}h1,h2,h3{font-family:var(--font-sans);margin:0}h1{font-size:clamp(19px,2vw,25px);line-height:1.1}h2{font-size:18px}h3{font-size:12px;margin:16px 0 8px}.muted,.now-playing p{margin:3px 0;color:var(--muted);font-size:12px}.quick-actions,.button-row,.soundboard{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}.quick-actions .button{min-height:42px}.native-player{margin-top:15px;padding:8px 10px;border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.18)}.native-player audio{width:100%;height:32px}
.card{background:linear-gradient(150deg,rgba(27,34,45,.9),rgba(14,18,24,.92));border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow);min-width:0}.card-heading,.compact-row,.route-row{display:flex;justify-content:space-between;align-items:center;gap:10px}.lyrics-container{height:220px;overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;margin:13px 0;border-radius:16px;background:radial-gradient(circle at 50% 45%,rgba(47,124,246,.12),transparent 58%),rgba(0,0,0,.22);padding:0 16px;text-align:center;scrollbar-width:thin;scrollbar-color:rgba(39,169,255,.35) transparent;position:relative}.lyrics-content{display:flex;flex-direction:column;gap:12px;font-size:16px;font-weight:600;padding-top:85px;padding-bottom:85px;position:relative;text-align:center}.lyric-line{color:#bdb5ca;transition:color .25s,font-size .25s,transform .25s;line-height:1.45;cursor:pointer;user-select:none}.lyric-line:hover{color:#fff}.lyric-line.active{color:#fff;font-size:20px;font-weight:800;text-shadow:0 0 24px rgba(39,169,255,.65);transform:scale(1.04)}.btn-follow-lyrics{position:absolute;bottom:12px;right:12px;z-index:15;background:rgba(39,169,255,.88);color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:20px;padding:5px 12px;font-size:11px;font-weight:700;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.45);display:inline-flex;align-items:center;gap:5px;backdrop-filter:blur(8px);transition:.2s transform,.2s background}.btn-follow-lyrics:hover{background:rgba(39,169,255,1);transform:translateY(-1px)}.help-text{font-size:11px;color:var(--muted)}
.expand-box{margin-top:12px;padding:12px;background:rgba(0,0,0,.2);border-radius:14px;border:1px solid var(--line)}.expand-box input,.search-row input,.card select,textarea{color:var(--text);background:#0b0f16;border:1px solid var(--line2);border-radius:11px;padding:10px;width:100%;outline:none}.expand-box input:focus,.search-row input:focus,.card select:focus,textarea:focus{border-color:rgba(39,169,255,.55);box-shadow:0 0 0 3px rgba(39,169,255,.08)}textarea{min-height:110px;resize:vertical}.search-row{display:flex;gap:8px}.search-row input{min-width:0}.queue-list,.search-results,.chat-log,.audience-list{max-height:180px;overflow:auto;margin:11px 0;display:grid;gap:7px;scrollbar-width:thin}.queue-list>*,.search-results>*{border-radius:11px}.preset-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:14px}.preset-grid-characters{grid-template-columns:repeat(3,1fr)!important}@media (min-width:851px){.preset-grid-characters{grid-template-columns:repeat(5,1fr)!important}}.preset-btn{border:1px solid var(--line);background:rgba(255,255,255,.035);padding:10px 3px;color:#fff;border-radius:13px;font-size:18px;display:grid;gap:4px;transition:.18s}.preset-btn:hover{background:rgba(255,255,255,.07);transform:translateY(-1px)}.preset-btn span{font-size:10px;color:var(--muted)}.preset-btn.active{border-color:rgba(39,169,255,.65);background:linear-gradient(145deg,rgba(39,169,255,.16),rgba(47,124,246,.1));box-shadow:0 0 25px rgba(39,169,255,.08)}.sfx-btn{border:1px solid rgba(39,169,255,.3);background:rgba(39,169,255,.08);color:#fff;border-radius:12px;padding:9px;flex:1;font-size:11px}.control-rail{display:grid;align-content:start;gap:18px}.control{margin-top:15px}.control label,.card>label{font-size:11px;color:var(--muted);display:block}.control label b{float:right;color:var(--cyan)}select{margin-top:5px}input[type=range]{width:100%;accent-color:var(--pink);margin-top:9px}.switch-label{display:flex!important;align-items:center;justify-content:space-between;gap:10px;margin-top:13px;color:var(--text)!important;font-weight:600}.switch-label input{position:absolute;opacity:0}.switch{width:38px;height:21px;border-radius:30px;background:#3b475c;position:relative;flex:0 0 auto;transition:.2s}.switch:after{content:'';width:15px;height:15px;border-radius:50%;background:#fff;position:absolute;top:3px;left:3px;transition:.2s;box-shadow:0 2px 5px rgba(0,0,0,.25)}.switch-label input:checked+.switch{background:linear-gradient(90deg,var(--pink),var(--purple))}.switch-label input:checked+.switch:after{left:20px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}.icon-button{width:32px;height:32px;border:1px solid var(--line);color:#fff;background:rgba(255,255,255,.05);border-radius:9px;transition:.18s}.danger{color:var(--red)}.count{font-size:11px;color:var(--green);white-space:nowrap}.chat-log,.audience-list{background:rgba(0,0,0,.2);padding:10px;border-radius:12px;font-size:12px}.chat-log p,.audience-list p{color:var(--muted);margin:auto}.text-button{border:0;background:none;color:var(--cyan);font-size:11px}
.modal{position:fixed;inset:0;z-index:200;background:rgba(3,5,8,.78);backdrop-filter:blur(12px);display:flex;flex-direction:column;align-items:center;justify-content:flex-start;overflow-y:auto;overscroll-behavior:contain;padding:clamp(16px,4vh,32px) 8px;box-sizing:border-box}.modal-card{background:linear-gradient(150deg,#1b232f,#0e1218);border:1px solid var(--line2);border-radius:25px;padding:26px;width:min(430px,92vw);margin:auto;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow-y:auto;overscroll-behavior:contain;display:grid;gap:12px;text-align:center;position:relative;box-shadow:var(--shadow);scrollbar-width:thin;scrollbar-color:rgba(79,195,255,.4) rgba(0,0,0,.2)}.modal-card::-webkit-scrollbar{width:6px}.modal-card::-webkit-scrollbar-track{background:rgba(0,0,0,.2);border-radius:4px}.modal-card::-webkit-scrollbar-thumb{background:rgba(79,195,255,.4);border-radius:4px}.modal-card::-webkit-scrollbar-thumb:hover{background:rgba(79,195,255,.7)}.modal-close{position:absolute;right:14px;top:9px;color:#fff;border:0;background:none;font-size:26px;cursor:pointer;z-index:20}.qr{width:168px;height:168px;background:#fff;border-radius:13px;margin:0 auto;padding:8px}
.mobile-nav{display:none}
@media(max-width:1180px){.app-shell{grid-template-columns:72px minmax(0,1fr) 315px;padding-inline:14px}.studio-main{grid-template-columns:1fr}.effects-card{grid-column:1/-1}.preset-grid{grid-template-columns:repeat(10,1fr)}}
@media(max-width:850px){
 body{padding-bottom:calc(76px + env(safe-area-inset-bottom, 0px))}.topbar{height:62px;padding:0 clamp(6px, 2.5vw, 13px)}.topbar-actions{gap:6px}.brand{font-size:13px}.brand-mark{width:29px;height:29px;border-radius:9px;margin-right:7px}.status-deck{gap:8px;font-size:9px}.desktop-only,.sidebar{display:none!important}.app-shell{display:block;padding:11px 11px 24px}.studio-main{display:grid;gap:12px}.stage-card{min-height:0;padding:16px;border-radius:22px}.stage-visual{height:132px;margin:7px -16px 13px}.now-playing{gap:11px}.artwork{width:58px;height:58px;border-radius:17px;font-size:24px}.now-playing h1{font-size:18px}.quick-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:13px}.quick-actions #btnMic{grid-column:1/-1;min-height:44px}.quick-actions .button{min-height:40px;padding:8px 6px;font-size:11px}.native-player{margin-top:12px}.card{padding:15px;border-radius:18px}.lyrics-container{height:220px}.lyrics-card,.library-card,.effects-card,#mixer,#recording,#audience{scroll-margin-top:75px}.control-rail{display:grid;gap:12px;margin-top:12px}.control-rail>.card{width:100%}.preset-grid{grid-template-columns:repeat(5,1fr)}.preset-btn{padding:9px 2px}.mobile-nav{display:flex;position:fixed;z-index:150;bottom:0;left:0;right:0;height:68px;justify-content:space-around;background:rgba(11,15,22,.95);border-top:1px solid var(--line2);backdrop-filter:blur(20px);padding-bottom:env(safe-area-inset-bottom)}.mobile-nav a{color:var(--muted);text-decoration:none;font-size:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;flex:1 1 0;min-width:0;padding:6px 2px;border-radius:12px}.mobile-nav span{font-size:9px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.mobile-nav a.active{color:#fff;background:rgba(39,169,255,.16);border:1px solid rgba(39,169,255,.2)}.button-row .button{flex:1}.soundboard{display:grid;grid-template-columns:repeat(3,1fr)}.route-row{justify-content:flex-start;gap:20px}.hud-overlay{padding:8px}.hud-overlay span{font-size:8px;padding:5px 7px}.topbar .button-live{font-size:10px;padding:8px 10px}.studio-main>.card{order:2}.stage-card{order:1}.control-rail{order:3}
 .icon-button{min-width:40px;min-height:40px;font-size:16px}
 /* Mobile screen tabbed management */
 body:not([data-mobile-screen]) .mobile-screen:not([data-screen-group~="stage"]),
 body[data-mobile-screen="stage"] .mobile-screen:not([data-screen-group~="stage"]){display:none!important}
 body[data-mobile-screen="music"] .mobile-screen:not([data-screen-group~="music"]){display:none!important}
 body[data-mobile-screen="mixer"] .mobile-screen:not([data-screen-group~="mixer"]){display:none!important}
 body[data-mobile-screen="effects"] .mobile-screen:not([data-screen-group~="effects"]){display:none!important}
 body[data-mobile-screen="audience"] .mobile-screen:not([data-screen-group~="audience"]){display:none!important}
 .control-rail{margin-top:0!important}
 /* Mobile GPU Acceleration: Eliminate multi-pass blur & simplify fragment shaders */
 *, *:before, *:after {
   backdrop-filter: none !important;
   -webkit-backdrop-filter: none !important;
 }
 .mobile-nav { background: rgba(11, 15, 22, 0.98) !important; }
 .modal { background: rgba(3, 5, 8, 0.94) !important; }
 .camera-filter-toolbar, .artist-suite-card, .modal-card {
   box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6) !important;
 }
 .stage-card, .stage-visual, .stage-visual canvas {
   content-visibility: visible !important;
   contain: none !important;
 }
 .stage-visual canvas {
   width: 100% !important;
   height: 100% !important;
   display: block !important;
 }
 /* Mobile touch & haptics polish */
 .mobile-nav a, .button, .preset-btn, .sfx-btn, .piano-key, .switch-label {
   -webkit-tap-highlight-color: transparent;
   touch-action: manipulation;
 }
 .mobile-nav a:active, .preset-btn:active, .sfx-btn:active {
   transform: scale(0.96);
 }
 /* Touch-friendly range sliders on mobile */
 input[type=range] {
   touch-action: manipulation;
   height: 28px;
   padding: 10px 0;
 }
 input[type=range]::-webkit-slider-thumb {
   width: 24px;
   height: 24px;
   border-radius: 50%;
   background: linear-gradient(135deg, #52c4ff, #27a9ff);
   box-shadow: 0 0 10px rgba(82, 196, 255, 0.6);
   border: 2px solid #ffffff;
 }
 input[type=range]::-moz-range-thumb {
   width: 24px;
   height: 24px;
   border-radius: 50%;
   background: linear-gradient(135deg, #52c4ff, #27a9ff);
   box-shadow: 0 0 10px rgba(82, 196, 255, 0.6);
   border: 2px solid #ffffff;
 }
}
@media(max-width:850px){
 input:not([type="range"]):not([type="checkbox"]):not([type="radio"]), select, textarea, .expand-box input, .search-row input { font-size:16px!important; }
}
@media(max-width:600px){
 #btnOpenDiagnostics{display:none!important}
 .topbar .btn-text{display:none!important}
 .topbar .button{padding:7px 8px;min-height:34px;font-size:12px}
 .topbar-actions{gap:4px;flex-shrink:0}
 .status-deck{display:none!important}
}
@media(max-width:430px){
 .topbar{padding:0 6px}
 .brand{font-size:11px}
 .brand-mark{width:24px;height:24px;margin-right:4px}
 .brand em{display:none}
 .topbar-actions{gap:3px}
 .topbar .button{padding:6px 6px;font-size:11px;min-height:30px}
 .button-live{font-size:10px!important;padding:6px 8px!important}
 .quick-actions{gap:6px}
 .quick-actions .button{padding:8px 5px;font-size:10px}
 .lyrics-container{height:190px}
 .preset-grid{gap:6px}
 .preset-btn{font-size:16px}
 .preset-btn span{font-size:9px}
 .button-row{gap:6px}
 .button-row .button{padding:9px 7px}
 .two-col{gap:7px}
}
@media(min-width:851px){.control-rail{min-width:0}.studio-main>.card{min-height:100%}}
/* Audience page compatibility variables/classes. */
:root{--bg-dark:var(--bg);--bg-panel:rgba(14,21,36,.95);--bg-surface:var(--panel2);--border:var(--line);--text-main:var(--text);--text-dim:var(--muted);--accent-blue:var(--cyan);--accent-purple:var(--purple);--accent-green:var(--green);--accent-red:var(--red);--accent-orange:var(--orange);--accent-pink:var(--red)}
.btn{border:1px solid var(--line);color:var(--text);background:#22272f;border-radius:11px;padding:9px 12px;font-weight:700;font-size:12px;cursor:pointer}.btn:hover{filter:brightness(1.15)}

/* Pro vocal + system-audio controls */
.system-audio-box{margin-top:14px;padding:14px;border:1px solid rgba(255,255,255,.08);border-radius:16px;background:linear-gradient(135deg,rgba(47,124,246,.09),rgba(34,211,238,.05));}
.system-audio-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:7px}.system-audio-head strong{display:block;font-size:.92rem;margin-top:2px}.audio-badge{font-size:.68rem;font-weight:800;letter-spacing:.12em;padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.06);color:var(--text-muted)}.audio-badge.is-live{color:#04130b;background:var(--accent-green);box-shadow:0 0 18px rgba(0,255,136,.25)}
#proVocalRack{position:relative;overflow:hidden}#proVocalRack:before{content:"";position:absolute;inset:-80px auto auto 65%;width:180px;height:180px;background:rgba(47,124,246,.13);filter:blur(45px);pointer-events:none}.active-file{box-shadow:0 0 0 1px rgba(0,255,136,.35),0 8px 28px rgba(0,255,136,.12)}
#btnSystemAudio:disabled{opacity:.65;cursor:wait}
@media (max-width:850px){.system-audio-box{padding:12px}.system-audio-head{align-items:flex-start}#proVocalRack .two-col{grid-template-columns:1fr}}

.button.audience-monitor{width:100%;justify-content:space-between}

/* Stage Video Arena & Side-by-Side Face Grid */
.stage-video-arena {
  margin: 12px 0 16px;
  position: relative;
  z-index: 2;
  animation: fadeInStageVideo .25s ease-out;
}
@keyframes fadeInStageVideo {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.stage-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  align-items: stretch;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.stage-video-card {
  position: relative;
  background: #000;
  border: 1px solid var(--line2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
}
.stage-video-card video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
  display: block;
}
.stage-video-card.is-admin video {
  transform: none;
}
.stage-video-card .video-badge {
  position: absolute;
  left: 8px;
  bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 8px;
  background: rgba(7, 9, 13, 0.82);
  backdrop-filter: blur(10px);
  color: #fff;
  font: 700 11px system-ui;
  letter-spacing: .4px;
  border: 1px solid rgba(255,255,255,0.12);
  pointer-events: none;
  z-index: 2;
}
.stage-video-card.is-admin .video-badge {
  color: #27a9ff;
  border-color: rgba(39,169,255,.35);
}
.stage-video-card.is-guest .video-badge {
  color: #67f8aa;
  border-color: rgba(103,248,170,.35);
}
.video-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulseDot 1.5s infinite;
}
@media (max-width: 600px) {
  .stage-video-arena { margin: 8px 0 12px; width: 100%; max-width: 100%; overflow: hidden; }
  .stage-video-grid {
    grid-template-columns: 1fr !important;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  .stage-video-card { border-radius: 12px; }
  .stage-video-card .video-badge { font-size: 9px; padding: 3px 6px; bottom: 5px; left: 5px; }
}

.sfx-particle {
  position: absolute;
  pointer-events: none;
  font-size: 26px;
  z-index: 10;
  user-select: none;
  animation: sfxParticleFloat 1.2s cubic-bezier(0.2, 0.8, 0.4, 1) forwards;
}
@keyframes sfxParticleFloat {
  0% { transform: translate(0, 0) scale(0.6); opacity: 1; }
  50% { transform: translate(var(--drift, 0px), -60px) scale(1.25); opacity: 1; }
  100% { transform: translate(var(--drift, 0px), -120px) scale(0.8); opacity: 0; }
}

/* Snapchat-Style Face Filters & Dual Camera Switcher */
.camera-filter-toolbar {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(11, 15, 22, 0.95);
  border: 1px solid var(--line2);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10;
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.camera-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.filter-strip {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 2px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.filter-strip::-webkit-scrollbar {
  height: 4px;
}
.filter-strip::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}
.filter-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
}
.filter-pill:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}
.filter-pill.active {
  background: linear-gradient(135deg, rgba(39, 169, 255, 0.4), rgba(47, 124, 246, 0.4));
  border-color: #27a9ff;
  box-shadow: 0 0 14px rgba(39, 169, 255, 0.45);
  color: #fff;
}
.filter-pill .filter-icon {
  font-size: 14px;
}
.stage-layout-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 6px;
  color: #cbd5e1;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 4px 9px;
  cursor: pointer;
  transition: all 0.2s;
}
.stage-layout-btn:hover {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

/* ==========================================================================
   ANTARES AUTO-TUNE PRO X WORKSTATION STYLES
   ========================================================================== */
.autotune-card {
  background: linear-gradient(165deg, rgba(21, 27, 38, 0.96) 0%, rgba(11, 14, 20, 0.98) 100%);
  border: 1px solid rgba(47, 124, 246, 0.35);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}
.autotune-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #27a9ff, #2f7cf6, #52c4ff);
  z-index: 2;
}

/* Header */
.at-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.at-brand {
  display: flex;
  align-items: center;
  gap: 6px;
}
.at-badge {
  font-family: var(--font-sans), sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.2px;
  color: #fff;
  background: linear-gradient(135deg, rgba(39,169,255,0.25), rgba(47,124,246,0.2));
  border: 1px solid rgba(39,169,255,0.4);
  padding: 3px 7px;
  border-radius: 6px;
}
.at-pro-badge {
  font-family: var(--font-sans), sans-serif;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(69,230,255,0.6);
}
.at-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3b475c;
  display: inline-block;
  transition: all 0.2s;
}
.at-dot.active {
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}
.at-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.at-mode-toggle {
  display: inline-flex;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--line2);
  border-radius: 999px;
  padding: 2px;
}
.at-mode-btn {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--muted);
  padding: 3px 8px;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
  transition: all 0.18s;
  display: flex;
  align-items: center;
  margin: 0 !important;
}
.at-mode-btn input {
  display: none;
}
.at-mode-btn.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(69, 230, 255, 0.35), rgba(47, 124, 246, 0.3));
  box-shadow: 0 0 10px rgba(69, 230, 255, 0.3);
}
.at-power-toggle {
  margin: 0 !important;
}

/* Preset Row */
.at-preset-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 12px;
}
.at-preset-select-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}
.at-preset-icon {
  position: absolute;
  left: 9px;
  pointer-events: none;
  font-size: 11px;
}
.at-preset-dropdown {
  width: 100%;
  background: #0f141c !important;
  color: #fff !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  border: 1px solid var(--line2) !important;
  border-radius: 10px !important;
  padding: 6px 8px 6px 26px !important;
  cursor: pointer;
}
.at-btn-save, .at-btn-graph {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line2);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 9px;
  padding: 6px 9px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s;
}
.at-btn-save:hover, .at-btn-graph:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}
.at-btn-graph.active {
  background: rgba(69, 230, 255, 0.18);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 10px rgba(69, 230, 255, 0.25);
}

/* Hardware-style Pitch Needle Meter */
.at-meter-container {
  background: radial-gradient(circle at 50% 100%, rgba(17, 22, 30, 0.95), #07090c);
  border: 1px solid var(--line2);
  border-radius: 14px;
  padding: 10px 12px;
  margin-bottom: 12px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6);
}
.at-meter-scale {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  padding: 0 4px;
}
.at-center-tick {
  color: var(--green);
  font-weight: 800;
}
.at-meter-track {
  position: relative;
  height: 12px;
  background: #12161d;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-bottom: 8px;
}
.at-meter-track::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  width: 2px;
  margin-left: -1px;
  background: rgba(103, 248, 170, 0.45);
}
.at-meter-needle {
  position: absolute;
  top: 0; bottom: 0;
  width: 4px;
  margin-left: -2px;
  background: linear-gradient(180deg, #fff, var(--cyan));
  border-radius: 2px;
  box-shadow: 0 0 8px var(--cyan);
  transition: left 0.07s ease-out;
}
.at-meter-needle.in-tune {
  background: linear-gradient(180deg, #fff, var(--green));
  box-shadow: 0 0 12px var(--green);
}
.at-readout-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
}
.at-readout-item {
  display: flex;
  flex-direction: column;
}
.at-readout-label {
  font-size: 8px;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 0.8px;
}
.at-readout-val {
  font-family: var(--font-sans), monospace;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}
.at-status-badge {
  font-family: var(--font-sans), sans-serif;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.8px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line2);
  color: var(--muted);
  transition: all 0.18s;
}
.at-status-badge.status-perfect {
  color: #05140b;
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 12px rgba(103, 248, 170, 0.4);
}
.at-status-badge.status-flat {
  color: #fff;
  background: rgba(255, 177, 92, 0.25);
  border-color: var(--orange);
  color: var(--orange);
}
.at-status-badge.status-sharp {
  color: #fff;
  background: rgba(39, 169, 255, 0.25);
  border-color: var(--pink);
  color: var(--pink);
}

/* Pitch Graph Canvas */
.at-graph-wrapper {
  background: #080b10;
  border: 1px solid var(--line2);
  border-radius: 12px;
  padding: 6px;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
  display: block;
}
.at-graph-wrapper.is-hidden {
  display: none !important;
}
#atPitchGraphCanvas {
  width: 100%;
  height: 90px;
  display: block;
  background: #0a0e14;
  border-radius: 8px;
}
.at-graph-legend {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 4px;
  font-size: 9px;
  color: var(--muted);
  font-weight: 600;
}
.at-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.at-legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.dot-raw {
  background: var(--orange);
  box-shadow: 0 0 6px var(--orange);
}
.dot-corrected {
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

/* Knobs & Controls Grid */
.at-knobs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}
.at-knob-cell {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 10px;
  display: flex;
  flex-direction: column;
}
.at-knob-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 4px;
}
.at-knob-head b {
  color: var(--cyan);
  font-family: var(--font-sans), monospace;
  font-size: 11px;
}
.at-knob-sub {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.35);
  margin-top: 4px;
}
.at-slider {
  width: 100%;
  margin: 4px 0 0 !important;
  accent-color: var(--cyan);
}

/* Scale & Key Row */
.at-scale-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 8px;
  margin-bottom: 12px;
}
.at-field label {
  font-size: 9px !important;
  font-weight: 800 !important;
  letter-spacing: 0.8px;
  color: var(--muted);
  margin-bottom: 3px;
  display: block;
}
.at-select {
  width: 100%;
  background: #0f141c !important;
  border: 1px solid var(--line2) !important;
  color: #fff !important;
  font-size: 11px !important;
  border-radius: 10px !important;
  padding: 6px 8px !important;
}

/* Virtual Piano Keyboard Section */
.at-keyboard-section {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  margin-bottom: 12px;
}
.at-keyboard-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 9px;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}
.at-keyboard-actions {
  display: flex;
  gap: 4px;
}
.at-btn-mini {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line2);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.at-btn-mini:hover {
  background: rgba(255, 255, 255, 0.15);
}
.at-piano-keys {
  display: flex;
  gap: 3px;
  height: 64px;
  position: relative;
  user-select: none;
  margin-bottom: 6px;
}
.piano-key {
  flex: 1;
  border: 1px solid var(--line2);
  border-radius: 0 0 5px 5px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 4px 1px;
  font-size: 9px;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
  min-width: 0;
}
.piano-key.key-white {
  background: #f0edf6;
  color: #1b2029;
  z-index: 1;
}
.piano-key.key-black {
  background: #1d242f;
  color: #fff;
  z-index: 2;
  height: 65%;
  margin-top: 0;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.4);
}
/* Key States */
.piano-key.active {
  background: linear-gradient(180deg, #f0edf6 40%, rgba(69, 230, 255, 0.5) 100%);
  border-color: var(--cyan);
}
.piano-key.key-black.active {
  background: linear-gradient(180deg, #1d242f 30%, rgba(69, 230, 255, 0.6) 100%);
  border-color: var(--cyan);
}
.piano-key.bypass {
  border-color: var(--orange) !important;
  background: linear-gradient(180deg, #f0edf6 40%, rgba(255, 177, 92, 0.6) 100%) !important;
}
.piano-key.key-black.bypass {
  background: linear-gradient(180deg, #1d242f 30%, rgba(255, 177, 92, 0.6) 100%) !important;
}
.piano-key.removed {
  opacity: 0.28;
  background: #13171d !important;
  color: var(--muted) !important;
  text-decoration: line-through;
}
.piano-key.current-sung {
  box-shadow: 0 0 14px #27a9ff, inset 0 0 8px #27a9ff !important;
  border-color: #27a9ff !important;
  transform: translateY(2px);
}
.at-keyboard-legend {
  display: flex;
  justify-content: space-around;
  font-size: 8px;
  color: var(--muted);
  margin-top: 4px;
}
.legend-active { color: var(--cyan); }
.legend-bypass { color: var(--orange); }
.legend-removed { color: rgba(255, 255, 255, 0.4); }

/* Advanced Details Accordion */
.at-advanced-accordion {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.at-details {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.2s;
}
.at-summary {
  padding: 8px 12px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  outline: none;
  background: rgba(255, 255, 255, 0.02);
}
.at-summary:hover {
  background: rgba(255, 255, 255, 0.05);
}
.at-details[open] .at-summary {
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
}
.at-details-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.at-details-body .control {
  margin-top: 0 !important;
}

/* Karaoke Companion */
.at-karaoke-companion {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

/* Responsive Rules */
@media (max-width: 480px) {
  .at-knobs-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .at-scale-row {
    grid-template-columns: 1fr;
  }
  .at-piano-keys {
    height: 52px;
  }
  .piano-key {
    font-size: 8px;
    padding: 2px 0;
  }
  .at-header-actions {
    gap: 5px;
  }
  .at-mode-btn {
    font-size: 9px;
    padding: 2px 6px;
  }
}

/* Mobile & Low-End Hardware Compatibility Optimizations */
@media (max-width: 580px) {
  #modalExternalStream .modal-card,
  #usersModal .modal-card {
    padding: 16px 12px !important;
    border-radius: 18px !important;
    width: 96vw !important;
    max-height: calc(100dvh - 24px) !important;
  }
  #broadcastLayoutPills {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
  }
  .stage-video-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)) !important;
    gap: 8px !important;
  }
  .topbar {
    padding: 0 8px !important;
  }
  #btnOpenMultistream, #btnOpenUsersLobby {
    padding: 6px 7px !important;
    font-size: 11px !important;
  }
  .topbar .button-live {
    padding: 6px 8px !important;
    font-size: 10px !important;
  }
}

@media (max-width: 380px) {
  .status-deck {
    display: none !important;
  }
  .brand {
    font-size: 11px !important;
  }
  #btnOpenMultistream, #btnOpenUsersLobby {
    padding: 5px 5px !important;
    font-size: 10px !important;
  }
}

/* Hardware performance acceleration */
.stage-video-card video, #broadcastScenePreview {
  transform: translateZ(0);
  backface-visibility: hidden;
  touch-action: manipulation;
}

/* OBS Studio Interactive Canvas Overlay */
.obs-canvas-overlay {
  position: absolute;
  inset: 0;
  pointer-events: auto;
  z-index: 10;
}

.obs-source-box {
  position: absolute;
  border: 1.5px dashed rgba(79, 195, 255, 0.7);
  background: rgba(79, 195, 255, 0.08);
  border-radius: 6px;
  box-sizing: border-box;
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.obs-source-box:active,
.obs-source-box.dragging {
  cursor: grabbing;
  border-color: #4fc3ff;
  background: rgba(79, 195, 255, 0.18);
  box-shadow: 0 0 12px rgba(79, 195, 255, 0.4);
  z-index: 20 !important;
}

.obs-source-box.selected {
  border: 2px solid #27a9ff;
  box-shadow: 0 0 10px rgba(39, 169, 255, 0.5);
}

.obs-source-label {
  position: absolute;
  top: 2px;
  left: 3px;
  background: rgba(5, 7, 14, 0.85);
  color: #4fc3ff;
  font-size: 9px;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 3px;
  pointer-events: none;
  white-space: nowrap;
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.obs-resize-handle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 22px;
  height: 22px;
  cursor: nwse-resize;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #4fc3ff;
  border-radius: 6px 0 4px 0;
  color: #05070e;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
}

/* WCAG 2.5.5 touch target size expansion for touchscreens & mobile */
.obs-resize-handle::after {
  content: '';
  position: absolute;
  inset: -12px;
  min-width: 46px;
  min-height: 46px;
  pointer-events: auto;
}

.obs-resize-handle:hover,
.obs-resize-handle:active {
  background: #27a9ff;
  color: #fff;
}

/* Pro Artist Live Suite */
.artist-suite-card {
  background: linear-gradient(180deg, rgba(16, 20, 28, 0.95) 0%, rgba(11, 15, 20, 0.95) 100%);
  border: 1px solid rgba(47, 124, 246, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.artist-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 12px;
}

.artist-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.artist-section-title {
  font-size: 0.74rem;
  font-weight: 800;
  color: #4fc3ff;
  letter-spacing: 0.5px;
}

/* Soundboard 8-Pad Grid */
.soundboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 10px;
}

@media (max-width: 480px) {
  .soundboard {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }
}

.sfx-btn {
  padding: 10px 6px;
  font-size: 0.76rem;
  font-weight: 700;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  transition: transform 0.1s, background 0.15s, border-color 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.sfx-btn:hover {
  background: rgba(79, 195, 255, 0.15);
  border-color: #4fc3ff;
}

.sfx-btn:active {
  transform: scale(0.94);
  background: #4fc3ff;
  color: #05070e;
}

/* Metronome Styles */
.metronome-bpm-badge {
  font-size: 0.8rem;
  font-family: monospace;
  font-weight: 900;
  color: #4fc3ff;
  background: rgba(79, 195, 255, 0.12);
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid rgba(79, 195, 255, 0.25);
}

.metronome-beat-display {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.beat-dot {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 8px 0;
  text-align: center;
  font-weight: 900;
  font-size: 0.82rem;
  color: var(--text-dim);
  transition: background 0.05s, transform 0.05s, color 0.05s, box-shadow 0.05s;
}

.beat-dot.flash {
  background: #4fc3ff;
  color: #05070e;
  border-color: #4fc3ff;
  transform: scale(1.08);
  box-shadow: 0 0 14px rgba(79, 195, 255, 0.7);
}

.beat-dot.accent.flash {
  background: #27a9ff;
  color: #fff;
  border-color: #27a9ff;
  transform: scale(1.12);
  box-shadow: 0 0 16px rgba(39, 169, 255, 0.8);
}

.metronome-controls-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.metro-btn-nudge {
  padding: 6px 10px;
  font-weight: 800;
  font-size: 0.8rem;
  border-radius: 6px;
}

.metro-slider {
  flex: 1;
  accent-color: #4fc3ff;
}

.metronome-action-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* Pitch Pipe & Reference */
.pitch-ref-pills {
  display: flex;
  gap: 6px;
}

.ref-pill {
  padding: 2px 8px;
  font-size: 0.68rem;
  font-weight: 800;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 12px;
  cursor: pointer;
}

.ref-pill.active {
  background: rgba(47, 124, 246, 0.2);
  border-color: #2f7cf6;
  color: #a5d2ff;
}

.pitch-pipe-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
}

@media (max-width: 480px) {
  .pitch-pipe-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pitch-key-btn {
  padding: 10px 0;
  font-size: 0.8rem;
  font-weight: 800;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  transition: all 0.12s;
}

.pitch-key-btn:hover {
  background: rgba(79, 195, 255, 0.15);
  border-color: #4fc3ff;
}

.pitch-key-btn.active {
  background: #2f7cf6;
  color: #fff;
  border-color: #a5d2ff;
  box-shadow: 0 0 10px rgba(47, 124, 246, 0.6);
}

.pitch-key-btn.stop-key {
  color: #ff6b6b;
  border-color: rgba(255, 107, 107, 0.3);
}

/* Quick Transpose Row */
.quick-transpose-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.transpose-pill {
  padding: 8px 0;
  font-size: 0.78rem;
  font-weight: 800;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  transition: all 0.12s;
}

.transpose-pill:hover {
  background: rgba(79, 195, 255, 0.15);
  border-color: #4fc3ff;
}

.transpose-pill.active {
  background: #4fc3ff;
  color: #05070e;
  border-color: #4fc3ff;
  box-shadow: 0 0 8px rgba(79, 195, 255, 0.5);
}

/* ==========================================================================
   MUSIC LIBRARY, AUTOSEARCH & QUEUE ENHANCEMENTS
   ========================================================================== */
.music-genre-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 9px 0 6px;
}

.music-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text, #e2d9f3);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.music-chip:hover {
  background: rgba(79, 195, 255, 0.15);
  border-color: rgba(79, 195, 255, 0.5);
  color: #4fc3ff;
  transform: translateY(-1px);
}

.music-chip.active {
  background: linear-gradient(135deg, rgba(79, 195, 255, 0.25), rgba(39, 169, 255, 0.25));
  border-color: var(--accent-cyan, #52c4ff);
  color: #fff;
  box-shadow: 0 0 10px rgba(79, 195, 255, 0.35);
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  margin-bottom: 6px;
  gap: 10px;
  transition: background 0.15s, border-color 0.15s;
}

.search-result-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(79, 195, 255, 0.35);
}

.music-thumb-wrap {
  width: 36px;
  height: 36px;
  border-radius: 7px;
  overflow: hidden;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent-cyan, #52c4ff);
}

.music-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 7px;
}

.music-item-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.music-item-title {
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.music-item-artist {
  color: var(--muted, #8e82a6);
  font-size: 10.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.music-duration-badge {
  color: rgba(255, 255, 255, 0.45);
  font-size: 10px;
}

.music-item-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.btn-play-now {
  background: rgba(79, 195, 255, 0.12);
  border: 1px solid rgba(79, 195, 255, 0.4);
  color: #4fc3ff;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-play-now:hover {
  background: #4fc3ff;
  color: #05070e;
  box-shadow: 0 0 10px rgba(79, 195, 255, 0.6);
}

.btn-add-queue {
  background: rgba(47, 124, 246, 0.12);
  border: 1px solid rgba(47, 124, 246, 0.4);
  color: #2f7cf6;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-add-queue:hover {
  background: #2f7cf6;
  color: #fff;
  box-shadow: 0 0 10px rgba(47, 124, 246, 0.6);
}

.queue-active-track {
  background: rgba(79, 195, 255, 0.15) !important;
  border: 1px solid #4fc3ff !important;
  box-shadow: 0 0 12px rgba(79, 195, 255, 0.25) !important;
}

.search-loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 0;
  color: var(--muted, #8e82a6);
  font-size: 12px;
}

/* ===== THEME V2: navy + sky-blue, Inter / JetBrains Mono =====
   Original styling in the spirit of modern dark voice-app UIs: deep navy surfaces, one bright
   primary accent with a soft glow, monospace micro-labels. Overrides the base rules above. */
::selection{background:rgba(39,169,255,.35);color:#fff}
h1,h2,h3{letter-spacing:-.02em;font-weight:700}
h1{font-weight:800}

/* micro-labels use the mono face */
.eyebrow,.audio-badge,.status-deck,.hud-overlay span,.badge,.at-badge,.at-pro-badge,.at-readout-label,.help-text b.mono,
.sidebar .nav-link span,.mobile-nav span{font-family:var(--font-mono)}
.eyebrow{font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-hi);opacity:.85}
.status-deck{letter-spacing:.08em}
.hud-overlay span{font-weight:500;letter-spacing:.06em;color:var(--primary-hi);border-color:rgba(39,169,255,.3);text-shadow:none;box-shadow:0 0 14px rgba(39,169,255,.12)}
.hud-overlay span+span{color:var(--green);border-color:rgba(52,214,153,.28)}
#hudAccel{color:var(--primary-hi)!important;border-color:rgba(39,169,255,.35)!important;text-shadow:none!important}
.audio-badge{font-weight:600;letter-spacing:.1em;border:1px solid var(--line2);background:rgba(39,169,255,.06);color:var(--primary-hi)}
.audio-badge.is-live{color:#031221;background:var(--green);border-color:transparent;box-shadow:0 0 18px rgba(52,214,153,.3)}

/* surfaces */
.card{background:linear-gradient(160deg,rgba(21,31,50,.92),rgba(12,18,31,.94));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04)}
.stage-card{border-radius:24px;background:linear-gradient(150deg,rgba(26,70,130,.30),rgba(10,16,28,.95) 55%),var(--panel)}
.stage-card:after{background:radial-gradient(circle,rgba(39,169,255,.22),transparent 68%)}
.topbar{background:rgba(8,13,23,.82);border-bottom:1px solid var(--line)}
.mobile-nav{background:rgba(9,14,25,.96);border-top:1px solid var(--line2)}
.brand{font-family:var(--font-sans);font-weight:800;letter-spacing:.04em}
.brand-mark{background:linear-gradient(180deg,var(--primary-hi),var(--primary-dim));color:#031221;box-shadow:0 0 0 1px rgba(150,215,255,.35) inset,0 8px 26px -6px rgba(39,169,255,.7)}
.brand em{font-style:normal;color:var(--primary-hi)}

/* buttons: bright blue primary with glow (dark text), quiet ghost buttons */
.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;text-align:center;line-height:1.2;border-radius:12px;border:1px solid var(--line2);background:rgba(255,255,255,.04);font-weight:600;letter-spacing:.005em;transition:transform .18s,filter .18s,background .18s,border-color .18s,box-shadow .18s}
.button:hover{border-color:rgba(39,169,255,.5);background:rgba(39,169,255,.08)}
.button-primary{color:#031221;border:0;background:linear-gradient(180deg,#52c4ff,#1b8cf2);box-shadow:inset 0 0 0 1px rgba(170,225,255,.45),0 10px 30px -10px rgba(39,169,255,.85),0 0 0 0 rgba(39,169,255,0)}
.button-primary:hover{filter:brightness(1.08);background:linear-gradient(180deg,#63cbff,#2494f6);box-shadow:inset 0 0 0 1px rgba(190,235,255,.55),0 12px 34px -8px rgba(39,169,255,.95)}
.button-primary *{color:inherit}
.button-live{color:#fff;border-color:rgba(255,92,114,.55);background:rgba(255,92,114,.14)}
.button-live:hover{background:rgba(255,92,114,.22);border-color:rgba(255,92,114,.8)}
.button-quiet{background:rgba(255,255,255,.03)}
.icon-button{border-radius:10px}

/* navigation */
.nav-link{border-radius:14px}
.nav-link:hover,.nav-link.active{color:var(--primary-hi);background:linear-gradient(160deg,rgba(39,169,255,.16),rgba(31,111,224,.10));box-shadow:inset 0 0 0 1px rgba(39,169,255,.35),0 8px 28px rgba(0,0,0,.2)}
.mobile-nav a.active{color:var(--primary-hi);background:rgba(39,169,255,.14);border:1px solid rgba(39,169,255,.3)}

/* controls */
input[type=range]{accent-color:var(--primary)}
.switch{background:#33405a}
.switch-label input:checked+.switch{background:linear-gradient(90deg,var(--primary),var(--primary-dim));box-shadow:0 0 14px rgba(39,169,255,.35)}
input:not([type=range]):not([type=checkbox]):not([type=radio]),select,textarea{border-radius:10px;border:1px solid var(--line2);background:rgba(6,11,20,.7);color:var(--text);transition:border-color .15s,box-shadow .15s}
input:not([type=range]):not([type=checkbox]):not([type=radio]):focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(39,169,255,.18)}
:focus-visible{outline:2px solid rgba(39,169,255,.7);outline-offset:2px}

/* voice tiles + soundboard */
.preset-btn{border-radius:14px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.015))}
.preset-btn:hover{border-color:rgba(39,169,255,.45);transform:translateY(-1px)}
.preset-btn.active{border-color:rgba(39,169,255,.75);background:linear-gradient(160deg,rgba(39,169,255,.22),rgba(31,111,224,.10));box-shadow:0 0 0 1px rgba(39,169,255,.25),0 0 28px -4px rgba(39,169,255,.45)}
.preset-btn span{font-family:var(--font-sans);font-size:11px;font-weight:600}
.sfx-btn{border:1px solid rgba(39,169,255,.28);background:rgba(39,169,255,.07);border-radius:12px;font-weight:600}
.sfx-btn:hover{background:rgba(39,169,255,.16);border-color:rgba(39,169,255,.55)}

/* soundboard */
.sb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-top:12px}
.sb-tile{display:grid;gap:6px;padding:8px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.012));transition:border-color .15s,box-shadow .15s,transform .12s}
.sb-tile.is-playing{border-color:rgba(39,169,255,.8);box-shadow:0 0 0 1px rgba(39,169,255,.3),0 0 24px -4px rgba(39,169,255,.6);transform:scale(.985)}
.sb-play{display:flex;align-items:center;gap:8px;min-width:0;width:100%;padding:8px 10px;border:0;border-radius:10px;background:rgba(39,169,255,.1);color:var(--text);font:600 12px var(--font-sans);text-align:left}
.sb-play:hover{background:rgba(39,169,255,.2)}
.sb-emoji{font-size:17px;flex:0 0 auto}.sb-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-meta{display:flex;align-items:center;gap:6px;min-width:0}
.sb-key{flex:0 0 auto;min-width:54px;padding:4px 8px;border:1px dashed var(--line2);border-radius:8px;background:transparent;color:var(--muted);font:500 10px var(--font-mono);letter-spacing:.04em}
.sb-key.is-set{border-style:solid;border-color:rgba(39,169,255,.5);color:var(--primary-hi);background:rgba(39,169,255,.08)}
.sb-key.is-binding{border-color:var(--orange);color:var(--orange);animation:sbPulse 1s infinite}
@keyframes sbPulse{50%{opacity:.5}}
.sb-vol{flex:1 1 auto;min-width:0;margin:0!important;height:14px}
.sb-del{flex:0 0 auto;border:0;background:transparent;color:var(--muted);font-size:13px;padding:2px 4px;border-radius:6px}
.sb-del:hover{background:rgba(255,92,114,.18);color:#fff}

/* custom voice builder */
.custom-voice{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start;margin-top:10px}
.custom-voice>.preset-btn{min-height:84px;align-self:start}
.custom-voice-sliders .control:first-child label{margin-top:0}
@media (max-width:560px){.custom-voice{grid-template-columns:1fr}.custom-voice>.preset-btn{min-height:64px}}

/* stats */
.st-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.st-kpi{padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.03)}
.st-kpi span{display:block;font:500 9.5px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.st-kpi b{display:block;margin-top:4px;font:700 18px var(--font-sans);letter-spacing:-.02em;color:var(--primary-hi)}
.st-voice{display:grid;grid-template-columns:minmax(80px,120px) 1fr 62px;align-items:center;gap:10px;margin-top:8px;font-size:12px}
.st-voice span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-voice b{font:500 10.5px var(--font-mono);text-align:right;color:var(--muted)}
.st-bar{height:8px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden}
.st-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--primary),var(--primary-dim))}
@media (max-width:560px){.st-grid{grid-template-columns:repeat(2,1fr)}}

/* level meters + segmented control */
.meter-row{display:grid;grid-template-columns:34px 1fr 64px;align-items:center;gap:10px;margin-top:10px}
.meter-row span{font:600 10px var(--font-mono);letter-spacing:.12em;color:var(--primary-hi)}
.meter-row b{font:500 10px var(--font-mono);text-align:right;color:var(--muted)}
.meter{height:9px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden;box-shadow:inset 0 0 0 1px rgba(110,160,255,.12)}
.meter i{display:block;height:100%;background:linear-gradient(90deg,#34d699 0%,#27a9ff 62%,#ffb15c 86%,#ff5c72 100%);clip-path:inset(0 100% 0 0)}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:8px;padding:4px;border:1px solid var(--line);border-radius:12px;background:rgba(6,11,20,.55)}
.seg button{border:0;border-radius:9px;padding:8px 4px;background:transparent;color:var(--muted);font:600 11px var(--font-sans);transition:background .15s,color .15s}
.seg button:hover{color:var(--text)}
.seg button.active{color:#031221;background:linear-gradient(180deg,#52c4ff,#1b8cf2);box-shadow:0 6px 18px -8px rgba(39,169,255,.9)}

/* thin scrollbars to match */
*{scrollbar-width:thin;scrollbar-color:rgba(110,160,255,.28) transparent}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(110,160,255,.25);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(110,160,255,.4)}
::-webkit-scrollbar-track{background:transparent}