:root{
 --bs4u-bg:#080a0e;--bs4u-panel:#11151c;--bs4u-card:#171c25;--bs4u-card-2:#1c2330;--bs4u-text:#f4f6f9;--bs4u-muted:#9da6b5;--bs4u-border:#2a3342;--bs4u-accent:#d6a84b;--bs4u-accent-2:#f3cb73;--bs4u-grid:rgba(255,255,255,.09);--bs4u-good:#48b985;--bs4u-warn:#e0a84d;--bs4u-danger:#e06363;--bs4u-shadow:0 18px 50px rgba(0,0,0,.32)
}
*{box-sizing:border-box}.bs4u-tone-tools-app-page{margin:0;background:var(--bs4u-bg);color:var(--bs4u-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.bs4u-tone-tools-app-page.admin-bar .bs4u-sidebar,.bs4u-tone-tools-app-page.admin-bar .bs4u-topbar{top:32px}.bs4u-tone-tools-app-page a{color:var(--bs4u-accent-2)}

/* Desktop embed hardening: remove WordPress/admin chrome and reclaim the full app canvas. */
html:has(body.bs4u-desktop-embed){margin-top:0!important}
body.bs4u-desktop-embed{margin-top:0!important;padding-top:0!important}
body.bs4u-desktop-embed #wpadminbar{display:none!important}
body.bs4u-desktop-embed.admin-bar .bs4u-sidebar,body.bs4u-desktop-embed.admin-bar .bs4u-topbar{top:0!important}
body.bs4u-desktop-embed .bs4u-sidebar-footer a[href]{display:none!important}
#bs4u-tone-tools-root{min-height:100vh;background:radial-gradient(circle at 85% 0,rgba(214,168,75,.1),transparent 34%),var(--bs4u-bg);color:var(--bs4u-text)}
.bs4u-shell{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}.bs4u-sidebar{position:fixed;inset:0 auto 0 0;width:280px;padding:24px 18px;background:linear-gradient(180deg,#0d1117,#090b0f);border-right:1px solid var(--bs4u-border);display:flex;flex-direction:column;z-index:50;overflow-y:auto}.bs4u-brand{display:flex;gap:12px;align-items:center;padding:0 8px 24px;border-bottom:1px solid var(--bs4u-border)}.bs4u-brand-mark{width:46px;height:46px;border:1px solid rgba(214,168,75,.65);border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,#2c2517,#121720);color:var(--bs4u-accent-2);font-weight:800;letter-spacing:.06em}.bs4u-brand strong{display:block;font-size:15px}.bs4u-brand small{display:block;color:var(--bs4u-muted);margin-top:3px;font-size:11px}.bs4u-sidebar nav{padding-top:18px;flex:1}.bs4u-nav-group{margin-bottom:18px}.bs4u-nav-group>span{display:block;padding:0 10px 7px;color:#697386;font-size:10px;font-weight:700;letter-spacing:.16em}.bs4u-nav-item{appearance:none;width:100%;border:0;background:transparent;color:#c8ced8;display:flex;align-items:center;gap:11px;text-align:left;padding:10px 11px;border-radius:10px;cursor:pointer;font-size:13px;transition:.2s}.bs4u-nav-item b{width:23px;text-align:center;color:#788398;font-size:15px}.bs4u-nav-item:hover{background:#151a22;color:#fff}.bs4u-nav-item.active{background:linear-gradient(90deg,rgba(214,168,75,.17),rgba(214,168,75,.04));color:var(--bs4u-accent-2);box-shadow:inset 2px 0 var(--bs4u-accent)}.bs4u-nav-item.active b{color:var(--bs4u-accent)}.bs4u-sidebar-footer{border-top:1px solid var(--bs4u-border);padding:16px 10px 0;font-size:12px;color:var(--bs4u-muted)}.bs4u-sidebar-footer p{margin:0 0 5px}.bs4u-workspace{grid-column:2;min-width:0}.bs4u-topbar{position:sticky;top:0;z-index:30;min-height:78px;padding:14px 28px;display:flex;align-items:center;gap:18px;background:rgba(8,10,14,.88);backdrop-filter:blur(15px);border-bottom:1px solid var(--bs4u-border)}.bs4u-topbar h1{font-size:18px;margin:0;font-weight:650}.bs4u-topbar p{margin:3px 0 0;color:var(--bs4u-muted);font-size:12px}.bs4u-top-actions{margin-left:auto;display:flex;gap:10px;align-items:center}.bs4u-online{font-size:11px;color:var(--bs4u-muted)}.bs4u-menu-toggle{display:none;border:1px solid var(--bs4u-border);background:var(--bs4u-card);color:var(--bs4u-text);border-radius:9px;padding:8px 10px}.bs4u-demo-banner{display:flex;gap:15px;align-items:center;padding:10px 28px;background:#2a1d0c;border-bottom:1px solid #59401e;color:#f2d39a;font-size:12px}.bs4u-demo-banner span{flex:1}.bs4u-demo-banner button{border:1px solid #8c6731;background:transparent;color:#f4d79d;border-radius:8px;padding:6px 10px;cursor:pointer}.bs4u-main{max-width:1520px;margin:0 auto;padding:28px}.bs4u-page-intro{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}.bs4u-page-intro h2{margin:0 0 6px;font-size:28px;letter-spacing:-.025em}.bs4u-page-intro p{margin:0;color:var(--bs4u-muted);max-width:780px}.bs4u-page-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
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.bs4u-panel{background:linear-gradient(180deg,rgba(23,28,37,.98),rgba(15,19,26,.98));border:1px solid var(--bs4u-border);border-radius:16px;padding:20px;box-shadow:var(--bs4u-shadow);margin-bottom:18px}.bs4u-panel h3,.bs4u-panel h2{margin:0 0 14px}.bs4u-grid-2,.bs4u-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.bs4u-metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.bs4u-metric-card{background:var(--bs4u-card);border:1px solid var(--bs4u-border);border-radius:14px;padding:15px}.bs4u-metric-card span{display:block;color:var(--bs4u-muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.bs4u-metric-card strong{display:block;margin-top:7px;font-size:22px;font-weight:680}.bs4u-metric-card small{display:block;color:#798395;margin-top:4px}.bs4u-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}.bs4u-tool-card{appearance:none;text-align:left;padding:20px;background:linear-gradient(145deg,#161b24,#10141b);border:1px solid var(--bs4u-border);border-radius:16px;color:var(--bs4u-text);cursor:pointer;min-height:190px;display:flex;flex-direction:column;transition:.22s}.bs4u-tool-card:hover{transform:translateY(-2px);border-color:#6c5a38;box-shadow:0 14px 35px rgba(0,0,0,.3)}.bs4u-tool-card h3{font-size:18px;margin:18px 0 8px}.bs4u-tool-card p{color:var(--bs4u-muted);line-height:1.55;margin:0}.bs4u-tool-card b{margin-top:auto;color:var(--bs4u-accent-2);font-size:12px}.bs4u-card-kicker{font-size:10px;color:var(--bs4u-accent);letter-spacing:.12em}.bs4u-steps li{margin:9px 0;color:#cbd1db}.bs4u-control-grid,.bs4u-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.bs4u-control-grid.single{grid-template-columns:repeat(2,minmax(0,1fr))}.bs4u-control-grid label,.bs4u-form-grid label,.bs4u-panel>label{display:flex;flex-direction:column;gap:7px;color:#cfd5df;font-size:12px}.bs4u-control-grid input,.bs4u-control-grid select,.bs4u-form-grid input,.bs4u-form-grid select,.bs4u-form-grid textarea,.bs4u-panel>label input,.bs4u-panel>label select,.bs4u-panel>label textarea,.bs4u-panel textarea{width:100%;border:1px solid #313b4c;background:#0c1016;color:#eef1f6;border-radius:9px;padding:10px 11px;font:inherit}.bs4u-control-grid input[type=range]{padding:0;border:0}.bs4u-check{display:flex!important;flex-direction:row!important;align-items:center;gap:8px!important;border:1px solid var(--bs4u-border);background:#11161e;padding:10px 12px;border-radius:10px}.bs4u-check input{width:auto!important}.bs4u-file-field input{border-style:dashed}.bs4u-field-wide{grid-column:1/-1}.bs4u-note{font-size:12px;color:var(--bs4u-muted);line-height:1.5}.bs4u-chip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:12px 0 16px}.bs4u-meter{height:16px;background:#080b10;border:1px solid var(--bs4u-border);border-radius:999px;overflow:hidden;margin:15px 0}.bs4u-meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#35a677,#d4aa4c 75%,#d65757);transition:width .08s}.bs4u-spectrum,.bs4u-waveform{display:block;width:100%;height:260px;--bs4u-accent:var(--bs4u-accent);--bs4u-grid:var(--bs4u-grid);--bs4u-muted:var(--bs4u-muted)}.bs4u-spectrum.large{height:360px}.bs4u-waveform{height:130px}.bs4u-waveform.large{height:230px}.bs4u-callout{border:1px solid var(--bs4u-border);border-left:4px solid #667085;background:#11161e;border-radius:11px;padding:14px}.bs4u-callout strong{font-size:13px}.bs4u-callout p{margin:6px 0 0;color:#c1c7d1}.bs4u-callout.good,.bs4u-callout.low{border-left-color:var(--bs4u-good)}.bs4u-callout.warning,.bs4u-callout.hot{border-left-color:var(--bs4u-warn)}.bs4u-callout.danger,.bs4u-callout.clipping{border-left-color:var(--bs4u-danger)}.bs4u-finding{padding:12px 13px;border-left:3px solid #667085;background:#10141b;border-radius:8px;margin-bottom:9px}.bs4u-finding p{margin:5px 0 0;color:var(--bs4u-muted);font-size:12px;line-height:1.5}.bs4u-finding.warning{border-left-color:var(--bs4u-warn)}.bs4u-finding.danger{border-left-color:var(--bs4u-danger)}.bs4u-finding.good{border-left-color:var(--bs4u-good)}.bs4u-table-wrap{overflow:auto}.bs4u-table{width:100%;border-collapse:collapse;min-width:680px}.bs4u-table th,.bs4u-table td{padding:11px 10px;border-bottom:1px solid var(--bs4u-border);text-align:left;font-size:12px}.bs4u-table th{color:var(--bs4u-muted);text-transform:uppercase;letter-spacing:.06em;font-size:10px}.bs4u-badge{display:inline-flex;align-items:center;border:1px solid #3a4558;background:#171d27;color:#b7c0ce;border-radius:999px;padding:4px 8px;font-size:9px;font-weight:750;letter-spacing:.08em}.bs4u-badge.licensed{border-color:#246d50;background:#10271e;color:#79d7aa}.bs4u-badge.demo{border-color:#735224;background:#2a1c0a;color:#e9c279}.bs4u-badge.danger{border-color:#743c43;background:#291316;color:#f2a4aa}.bs4u-score{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}.bs4u-score strong{font-size:64px;color:var(--bs4u-accent-2)}.bs4u-score span{font-size:11px;letter-spacing:.15em;color:var(--bs4u-muted)}.bs4u-library-list{display:grid;gap:10px}.bs4u-library-item{display:flex;justify-content:space-between;align-items:center;gap:15px;background:var(--bs4u-card);border:1px solid var(--bs4u-border);border-radius:14px;padding:15px 17px}.bs4u-library-item h3{margin:8px 0 3px;font-size:15px}.bs4u-library-item p{margin:0;color:var(--bs4u-muted);font-size:11px}.bs4u-empty{text-align:center;border:1px dashed var(--bs4u-border);border-radius:14px;padding:50px}.bs4u-code{display:block;overflow-wrap:anywhere;background:#080b10;border:1px solid var(--bs4u-border);padding:12px;border-radius:8px;color:#d8dee8}.bs4u-check-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--bs4u-border)}.bs4u-docs{display:grid;gap:10px}.bs4u-docs details{background:var(--bs4u-card);border:1px solid var(--bs4u-border);border-radius:12px;padding:0 15px}.bs4u-docs summary{cursor:pointer;padding:15px 0;font-weight:650}.bs4u-docs p,.bs4u-docs li{color:#bdc4cf;line-height:1.65}.bs4u-toast-region{position:fixed;right:20px;bottom:20px;z-index:10000;display:grid;gap:8px;max-width:380px}.bs4u-toast{background:#171d27;color:#fff;border:1px solid #3a4558;border-left:4px solid var(--bs4u-accent);padding:12px 14px;border-radius:10px;box-shadow:0 15px 40px rgba(0,0,0,.42);font-size:12px}.bs4u-toast.success{border-left-color:var(--bs4u-good)}.bs4u-toast.error{border-left-color:var(--bs4u-danger)}.bs4u-toast.warning{border-left-color:var(--bs4u-warn)}.bs4u-loading-card{min-height:100vh;display:grid;place-content:center;justify-items:center;text-align:center}.bs4u-loading-card h1{margin:16px 0 4px}.bs4u-loading-card p{color:var(--bs4u-muted)}.bs4u-logo-mark{width:72px;height:72px;border-radius:22px;display:grid;place-items:center;border:1px solid #755b2c;color:var(--bs4u-accent-2);background:#15130f;font-weight:800;font-size:22px}.bs4u-loader{width:180px;height:3px;background:#242b36;margin-top:18px;overflow:hidden}.bs4u-loader:after{content:"";display:block;height:100%;width:40%;background:var(--bs4u-accent);animation:bs4u-load 1.2s infinite}@keyframes bs4u-load{from{transform:translateX(-100%)}to{transform:translateX(350%)}}
@media(max-width:1100px){.bs4u-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bs4u-metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}.bs4u-control-grid,.bs4u-form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.bs4u-shell{display:block}.bs4u-sidebar{transform:translateX(-100%);transition:.22s}.bs4u-sidebar.open{transform:translateX(0)}.bs4u-workspace{grid-column:auto}.bs4u-menu-toggle{display:inline-block}.bs4u-main{padding:18px}.bs4u-topbar{padding:12px 16px}.bs4u-demo-banner{padding:10px 16px;align-items:flex-start}.bs4u-page-intro{display:block}.bs4u-page-actions{justify-content:flex-start;margin-top:15px}.bs4u-grid-2,.bs4u-grid{grid-template-columns:1fr}.bs4u-tool-grid{grid-template-columns:1fr}.bs4u-control-grid,.bs4u-form-grid,.bs4u-control-grid.single{grid-template-columns:1fr}.bs4u-chip-grid{grid-template-columns:1fr}.bs4u-spectrum.large{height:280px}.bs4u-library-item{display:block}.bs4u-library-item>div:last-child{margin-top:12px}}
@media(max-width:782px){.bs4u-tone-tools-app-page.admin-bar .bs4u-sidebar,.bs4u-tone-tools-app-page.admin-bar .bs4u-topbar{top:46px}}
@media(max-width:520px){.bs4u-main{padding:14px}.bs4u-metric-row{grid-template-columns:1fr 1fr}.bs4u-page-intro h2{font-size:23px}.bs4u-top-actions .bs4u-online{display:none}.bs4u-demo-banner{display:block}.bs4u-demo-banner button{margin-top:7px}.bs4u-score strong{font-size:50px}}


/* BS4U Tone Tools 3.0 professional calibration modules */
.bs4u-stage-list{display:grid;gap:10px}.bs4u-stage{display:grid;grid-template-columns:1fr auto;gap:4px 16px;text-align:left;border:1px solid var(--bs4u-border);background:var(--bs4u-card);color:var(--bs4u-text);border-radius:12px;padding:14px;cursor:pointer}.bs4u-stage strong{font-size:15px}.bs4u-stage span{color:var(--bs4u-muted);grid-column:1}.bs4u-stage em{grid-column:2;grid-row:1/3;align-self:center;color:var(--bs4u-accent);font-style:normal;font-size:12px}.bs4u-stage.recording{border-color:#d65454;box-shadow:inset 0 0 0 1px #d65454}.bs4u-stage.recording:before{content:'REC';color:#ff7777;font-weight:700;font-size:11px;grid-column:2}.bs4u-calibration-matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bs4u-calibration-matrix>div{padding:14px;border:1px solid var(--bs4u-border);border-radius:12px;background:var(--bs4u-card)}.bs4u-calibration-matrix span{display:block;color:var(--bs4u-muted);font-size:12px}.bs4u-calibration-matrix strong{display:block;margin-top:5px;font-size:22px}.bs4u-calibration-matrix .recommend{grid-column:1/-1;border-color:var(--bs4u-accent);background:rgba(214,168,75,.08)}.bs4u-audition-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.bs4u-audition-grid audio{width:100%}.bs4u-table-wrap{overflow-x:auto}.bs4u-meter.target{position:relative}.bs4u-meter .target-band,.bs4u-meter.target .target-band{position:absolute;left:70%;width:15%;top:0;bottom:0;border-left:1px solid rgba(255,255,255,.65);border-right:1px solid rgba(255,255,255,.65);background:rgba(70,170,100,.16);pointer-events:none}.bs4u-badge.warning{background:rgba(214,168,75,.16);color:var(--bs4u-accent)}@media(max-width:900px){.bs4u-audition-grid{grid-template-columns:1fr}.bs4u-calibration-matrix{grid-template-columns:1fr}.bs4u-calibration-matrix .recommend{grid-column:auto}.bs4u-stage{grid-template-columns:1fr}.bs4u-stage em{grid-column:1;grid-row:auto}}


/* Professional 4.0 ecosystem */
.bs4u-score{display:flex;align-items:center;gap:14px;margin:8px 0 18px}.bs4u-score strong{font-size:52px;line-height:1;color:var(--bs4u-accent)}.bs4u-score span{letter-spacing:.12em;color:var(--bs4u-muted);font-weight:700}.bs4u-plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.bs4u-gig-display{text-align:center;min-height:330px;display:flex;flex-direction:column;justify-content:center;align-items:center}.bs4u-gig-display h3{font-size:clamp(32px,6vw,72px);margin:10px 0}.bs4u-gig-display>strong{font-size:clamp(18px,3vw,30px)}.bs4u-gig-trim{font-size:clamp(42px,8vw,92px);font-weight:800;color:var(--bs4u-accent);margin:18px}.bs4u-steps li.done{color:var(--bs4u-accent);font-weight:700}.bs4u-table-wrap{overflow:auto}.bs4u-control-grid button{align-self:end}.bs4u-tool-card strong{font-size:24px;color:var(--bs4u-accent)}
@media(max-width:760px){.bs4u-score strong{font-size:42px}.bs4u-gig-display{min-height:260px}}


/* Production 4.1 accessibility hardening */
.bs4u-skip-link{position:fixed;left:12px;top:-100px;z-index:100000;background:#fff;color:#111;padding:12px 16px;border:2px solid currentColor;border-radius:6px;font-weight:700}
.bs4u-skip-link:focus{top:12px}
#bs4u-tone-tools-root:focus{outline:none}
.bs4u-shell button,.bs4u-shell a,.bs4u-shell input,.bs4u-shell select,.bs4u-shell textarea{min-height:44px}
.bs4u-shell :focus-visible{outline:3px solid currentColor;outline-offset:3px}
.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute!important;width:1px;word-wrap:normal!important}
.bs4u-locked-feature{border:2px solid #a36b00;background:#fff8e5;padding:20px;border-radius:10px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}
@media (forced-colors:active){.bs4u-badge,.bs4u-button,.bs4u-nav-item{border:1px solid ButtonText}}


/* Customer Value 5.0 */
.bs4u-value-hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(240px,.8fr);gap:24px;align-items:center;border:1px solid #785f2d;background:linear-gradient(135deg,rgba(214,168,75,.16),rgba(15,20,27,.92));border-radius:18px;padding:26px;margin-bottom:18px;box-shadow:0 18px 50px rgba(0,0,0,.18)}
.bs4u-value-hero span{font-size:10px;letter-spacing:.18em;color:var(--bs4u-accent);font-weight:800}.bs4u-value-hero h3{font-size:clamp(24px,3vw,40px);line-height:1.12;margin:9px 0}.bs4u-value-hero p{color:#c7cdd7;max-width:720px}.bs4u-value-hero ol{list-style:none;counter-reset:value-step;margin:0;padding:0;display:grid;gap:8px}.bs4u-value-hero li{counter-increment:value-step;display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--bs4u-border);border-radius:10px;background:rgba(7,10,14,.55)}.bs4u-value-hero li:before{content:counter(value-step);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--bs4u-accent);color:#17120a;font-weight:850}
.bs4u-result-header{display:grid;grid-template-columns:160px minmax(0,1fr);gap:22px;align-items:center;border-bottom:1px solid var(--bs4u-border);padding-bottom:20px;margin-bottom:20px}.bs4u-result-score{width:150px;height:150px;display:grid;place-content:center;text-align:center;border-radius:50%;border:12px solid rgba(214,168,75,.22);box-shadow:inset 0 0 0 2px var(--bs4u-accent)}.bs4u-result-score strong{display:block;font-size:44px;color:var(--bs4u-accent-2);line-height:1}.bs4u-result-score span{font-size:9px;letter-spacing:.12em;color:var(--bs4u-muted);margin-top:6px}.bs4u-result-header h3{font-size:28px;margin:0 0 7px}.bs4u-result-header p{color:var(--bs4u-muted);margin:0}
.bs4u-before-after{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:stretch}.bs4u-before-after article{border:1px solid var(--bs4u-border);border-radius:13px;padding:16px;background:var(--bs4u-card)}.bs4u-before-after .arrow{display:grid;place-items:center;font-size:28px;color:var(--bs4u-accent)}.bs4u-before-after strong{font-size:30px;color:var(--bs4u-accent-2)}
.bs4u-passport-card{position:relative;border:1px solid #80662f;background:linear-gradient(145deg,#17140e,#111720 60%);border-radius:18px;padding:24px;overflow:hidden}.bs4u-passport-card:after{content:'BS4U';position:absolute;right:-14px;bottom:-30px;font-size:110px;font-weight:900;color:rgba(214,168,75,.045);pointer-events:none}.bs4u-passport-seal{display:inline-grid;place-items:center;min-width:90px;min-height:90px;border:3px double var(--bs4u-accent);border-radius:50%;color:var(--bs4u-accent-2);font-weight:850;text-align:center;line-height:1.1;padding:8px}.bs4u-passport-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;overflow-wrap:anywhere}
.bs4u-ranking-list{display:grid;gap:12px}.bs4u-ranking{display:grid;grid-template-columns:48px minmax(0,1fr) 76px;gap:14px;align-items:center;border:1px solid var(--bs4u-border);border-radius:14px;padding:15px;background:var(--bs4u-card)}.bs4u-ranking .rank{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#292116;color:var(--bs4u-accent-2);font-weight:850}.bs4u-ranking h3{margin:0 0 5px}.bs4u-ranking p{margin:3px 0;color:var(--bs4u-muted)}.bs4u-ranking .score{font-size:25px;color:var(--bs4u-accent);font-weight:850;text-align:right}
.bs4u-outcome-progress{height:10px;background:#090c11;border-radius:999px;overflow:hidden}.bs4u-outcome-progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--bs4u-good),var(--bs4u-accent));border-radius:inherit}.bs4u-check{display:flex!important;align-items:center;gap:10px}.bs4u-check input{min-height:auto!important;width:auto!important}.bs4u-help{color:var(--bs4u-muted);font-size:12px;line-height:1.55}
@media(max-width:900px){.bs4u-value-hero{grid-template-columns:1fr}.bs4u-result-header{grid-template-columns:1fr;text-align:center}.bs4u-result-score{margin:auto}.bs4u-before-after{grid-template-columns:1fr}.bs4u-before-after .arrow{transform:rotate(90deg)}.bs4u-ranking{grid-template-columns:42px minmax(0,1fr)}.bs4u-ranking .score{grid-column:2;text-align:left}}

/* 5.1 Saved Work and Audio Library */
.bs4u-library-setup{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;padding:24px;border:1px solid var(--bs4u-border,#2d3340);border-radius:16px;background:linear-gradient(135deg,rgba(214,168,75,.14),rgba(255,255,255,.025));margin-bottom:20px}.bs4u-library-setup h3{margin:.25rem 0}.bs4u-library-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.bs4u-library-toolbar{display:flex;gap:14px;align-items:end;flex-wrap:wrap;margin-bottom:18px}.bs4u-library-toolbar label{min-width:180px}.bs4u-library-toolbar .bs4u-grow{flex:1 1 320px}.bs4u-saved-table-wrap{overflow:auto}.bs4u-saved-table td:first-child{min-width:220px}.bs4u-saved-table td:last-child{white-space:nowrap}.bs4u-saved-table small{display:block;opacity:.72;margin-top:4px}.bs4u-button.small{padding:7px 10px;font-size:.82rem}.bs4u-detail-heading{display:flex;gap:20px;justify-content:space-between;align-items:flex-start}.bs4u-audio-links{display:grid;gap:10px;margin:12px 0 22px}.bs4u-audio-link{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px;border:1px solid var(--bs4u-border,#2d3340);border-radius:12px;background:rgba(255,255,255,.025)}.bs4u-audio-link p{margin:.2rem 0}.bs4u-audio-link small{overflow-wrap:anywhere}.bs4u-audio-link.missing{border-color:#b94a48;background:rgba(185,74,72,.08)}.bs4u-json-preview{max-height:360px;overflow:auto;padding:14px;border-radius:10px;background:#0e1117;color:#d7dbe4;font-size:.78rem;white-space:pre-wrap;overflow-wrap:anywhere}.bs4u-card-kicker{font-size:.72rem;letter-spacing:.14em;font-weight:800;opacity:.75}.bs4u-library-setup .bs4u-badge{margin-right:8px}@media(max-width:860px){.bs4u-library-setup{grid-template-columns:1fr}.bs4u-library-actions{justify-content:flex-start}.bs4u-detail-heading,.bs4u-audio-link{align-items:flex-start;flex-direction:column}.bs4u-saved-table{min-width:840px}}


/* Training Center */
.bs4u-training-player{overflow:hidden}.bs4u-video-frame{position:relative;width:100%;aspect-ratio:16/9;background:#05070a;border:1px solid var(--border);border-radius:12px;overflow:hidden}.bs4u-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.bs4u-training-video{display:block;width:100%;max-height:72vh;background:#05070a;border:1px solid var(--border);border-radius:12px}.bs4u-training-player-copy{padding-top:14px}.bs4u-training-section-title{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:14px}.bs4u-training-section-title h3{margin:2px 0 0}.bs4u-training-section-title>span{color:var(--muted);font-size:13px}.bs4u-training-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}.bs4u-training-card{display:flex;flex-direction:column;min-height:240px;background:linear-gradient(180deg,rgba(20,28,38,.96),rgba(11,16,23,.96));border:1px solid var(--border);border-radius:12px;padding:16px}.bs4u-training-card.locked{border-color:rgba(214,168,75,.42)}.bs4u-training-card-top{display:flex;justify-content:space-between;gap:12px;align-items:center;color:var(--muted);font-size:12px}.bs4u-training-card h4{font-size:18px;margin:16px 0 8px}.bs4u-training-card p{color:var(--muted);line-height:1.55;margin:0 0 16px}.bs4u-training-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}.bs4u-badge.warning{background:rgba(214,168,75,.12);border-color:rgba(214,168,75,.4);color:#f1c963}@media(max-width:700px){.bs4u-training-section-title{align-items:start;flex-direction:column}.bs4u-training-grid{grid-template-columns:1fr}.bs4u-training-actions .bs4u-button{width:100%}}

/* Smart Tone workflow */
.bs4u-smart-score{display:grid;grid-template-columns:minmax(180px,240px) 1fr;gap:24px;align-items:center}.bs4u-smart-score>div:first-child{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:180px;border:1px solid var(--bs4u-border);border-radius:18px;background:radial-gradient(circle at 50% 40%,rgba(214,168,75,.18),rgba(16,21,29,.45) 58%,rgba(5,8,12,.72));box-shadow:inset 0 0 40px rgba(214,168,75,.05)}.bs4u-smart-score>div:first-child span{font-size:.72rem;letter-spacing:.18em;color:var(--bs4u-muted);font-weight:800}.bs4u-smart-score>div:first-child strong{font-size:3.35rem;line-height:1;color:var(--bs4u-accent);margin:.25rem 0}.bs4u-smart-score>div:first-child small{color:var(--bs4u-muted);text-align:center}.bs4u-smart-bands{display:grid;grid-template-columns:repeat(7,minmax(100px,1fr));gap:10px;margin-top:18px}.bs4u-smart-band{display:flex;flex-direction:column;gap:4px;padding:12px;border:1px solid var(--bs4u-border);border-radius:12px;background:rgba(255,255,255,.025)}.bs4u-smart-band span{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--bs4u-muted)}.bs4u-smart-band strong{font-size:1.15rem}.bs4u-smart-band small{color:var(--bs4u-muted);min-height:2.2em}.bs4u-smart-band meter{width:100%;height:8px}.bs4u-chain-list{display:flex;flex-direction:column;gap:10px}.bs4u-chain-item{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:12px;border:1px solid var(--bs4u-border);border-radius:12px;background:rgba(255,255,255,.025)}.bs4u-chain-item>span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(214,168,75,.12);border:1px solid rgba(214,168,75,.4);color:var(--bs4u-accent);font-weight:800}.bs4u-chain-item strong,.bs4u-chain-item small{display:block}.bs4u-chain-item small{color:var(--bs4u-muted);margin-top:3px}.bs4u-signal-chain{padding:18px;border:1px solid rgba(214,168,75,.45);background:linear-gradient(90deg,rgba(214,168,75,.08),rgba(56,142,226,.06));border-radius:12px;font-weight:800;letter-spacing:.04em;line-height:1.7}.bs4u-checklist{padding-left:1.2rem}.bs4u-checklist li{margin:.55rem 0}.bs4u-badge.good{background:rgba(45,184,105,.14);color:#7fe5a9;border-color:rgba(45,184,105,.35)}.bs4u-badge.warning{background:rgba(226,169,46,.14);color:#f3c96a;border-color:rgba(226,169,46,.35)}.bs4u-badge.danger{background:rgba(227,75,75,.14);color:#ff9b9b;border-color:rgba(227,75,75,.35)}
@media(max-width:1100px){.bs4u-smart-bands{grid-template-columns:repeat(4,minmax(120px,1fr))}}@media(max-width:760px){.bs4u-smart-score{grid-template-columns:1fr}.bs4u-smart-bands{grid-template-columns:repeat(2,minmax(120px,1fr))}.bs4u-chain-item{grid-template-columns:36px 1fr}.bs4u-chain-item>div:last-child{grid-column:1/-1}.bs4u-smart-score>div:first-child{min-height:140px}.bs4u-smart-score>div:first-child strong{font-size:2.7rem}}@media(max-width:460px){.bs4u-smart-bands{grid-template-columns:1fr}}

/* BS4U AI Tone Assistant */
.bs4u-ai-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;margin-bottom:18px;border:1px solid rgba(214,168,75,.32);border-radius:18px;background:linear-gradient(135deg,rgba(214,168,75,.12),rgba(98,213,232,.06) 55%,rgba(17,21,28,.9));box-shadow:0 18px 55px rgba(0,0,0,.22)}
.bs4u-ai-hero>div:first-child{display:flex;align-items:center;gap:16px}.bs4u-ai-hero h3{margin:0 0 5px;color:#f4f6f9;font-size:1.3rem}.bs4u-ai-hero p{margin:0;color:#aab3c0;max-width:780px}.bs4u-ai-orb{display:grid;place-items:center;width:62px;height:62px;border-radius:50%;font-weight:900;font-size:1.1rem;color:#07111f;background:radial-gradient(circle at 30% 25%,#fff1b6,#d6a84b 50%,#8b6220);box-shadow:0 0 0 6px rgba(214,168,75,.09),0 0 34px rgba(214,168,75,.28)}
.bs4u-ai-status{display:flex;align-items:center;gap:9px;white-space:nowrap;color:#d9dfe8}.bs4u-ai-status span{width:10px;height:10px;border-radius:50%;background:#7f8793;box-shadow:0 0 0 4px rgba(127,135,147,.12)}.bs4u-ai-status span.good{background:#42d392;box-shadow:0 0 0 4px rgba(66,211,146,.12)}.bs4u-ai-status span.bad{background:#ff7167;box-shadow:0 0 0 4px rgba(255,113,103,.12)}
.bs4u-ai-mode-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 18px}.bs4u-ai-mode{appearance:none;text-align:left;display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid #293140;border-radius:14px;background:#11151c;color:#f4f6f9;cursor:pointer;transition:.18s ease}.bs4u-ai-mode:hover{border-color:rgba(98,213,232,.55);transform:translateY(-1px)}.bs4u-ai-mode.active{border-color:#d6a84b;background:linear-gradient(145deg,rgba(214,168,75,.16),#11151c 56%);box-shadow:inset 0 0 0 1px rgba(214,168,75,.18)}.bs4u-ai-mode>b{display:grid;place-items:center;flex:0 0 38px;height:38px;border-radius:9px;background:#07111f;color:#62d5e8}.bs4u-ai-mode.active>b{color:#07111f;background:#d6a84b}.bs4u-ai-mode strong{display:block;font-size:.86rem;letter-spacing:.04em}.bs4u-ai-mode small{display:block;margin-top:5px;line-height:1.4;color:#9da6b5;font-weight:400}
.bs4u-ai-workspace{align-items:stretch}.bs4u-ai-mic-button{width:100%;min-height:112px;margin:8px 0 12px;border:1px solid rgba(98,213,232,.35);border-radius:18px;background:radial-gradient(circle at 50% 30%,rgba(98,213,232,.13),rgba(7,17,31,.88));color:#f4f6f9;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:.2s ease}.bs4u-ai-mic-button:hover{border-color:#62d5e8;box-shadow:0 0 32px rgba(98,213,232,.12)}.bs4u-ai-mic-button>span{font-size:2.1rem}.bs4u-ai-mic-button strong{font-size:1rem;letter-spacing:.08em}.bs4u-ai-mic-button small{color:#9da6b5}.bs4u-ai-mic-button.recording{border-color:#ff7167;background:radial-gradient(circle at 50% 30%,rgba(255,113,103,.18),rgba(30,9,12,.9));animation:bs4uAiPulse 1.15s ease-in-out infinite}.bs4u-ai-mic-button:disabled{opacity:.55;cursor:not-allowed}.bs4u-ai-record-status{text-align:center;min-height:24px;margin-bottom:10px;color:#9da6b5;font-size:.87rem}.bs4u-ai-submit-row{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:10px 0 18px}.bs4u-ai-speak-toggle{display:flex!important;align-items:center;gap:7px!important;margin:0!important;color:#c3cad4!important}.bs4u-ai-speak-toggle input{width:auto!important;margin:0!important}
.bs4u-ai-answer-panel{min-height:520px}.bs4u-ai-answer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.bs4u-ai-answer{margin-top:12px;min-height:330px;padding:16px;border:1px solid #242c39;border-radius:14px;background:rgba(7,10,14,.52);line-height:1.65}.bs4u-ai-response>p{white-space:normal;color:#e4e9ef}.bs4u-ai-recommendations{margin-top:18px;padding-top:14px;border-top:1px solid #293140}.bs4u-ai-recommendations h4{color:#d6a84b;margin:0 0 8px}.bs4u-ai-recommendations li{margin:7px 0;color:#d9dfe8}.bs4u-ai-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.bs4u-ai-thinking{min-height:230px;display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;color:#c8d0da}.bs4u-ai-thinking span{width:9px;height:9px;border-radius:50%;background:#d6a84b;animation:bs4uAiThinking 1s infinite}.bs4u-ai-thinking span:nth-child(2){animation-delay:.15s}.bs4u-ai-thinking span:nth-child(3){animation-delay:.3s}.bs4u-ai-thinking strong{flex-basis:100%;text-align:center;margin-top:8px;font-weight:500}
@keyframes bs4uAiPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,113,103,.24)}50%{box-shadow:0 0 0 12px rgba(255,113,103,0)}}@keyframes bs4uAiThinking{0%,80%,100%{transform:scale(.65);opacity:.5}40%{transform:scale(1);opacity:1}}
@media(max-width:1100px){.bs4u-ai-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bs4u-ai-hero{align-items:flex-start;flex-direction:column}.bs4u-ai-status{white-space:normal}}@media(max-width:680px){.bs4u-ai-mode-grid{grid-template-columns:1fr}.bs4u-ai-submit-row{align-items:flex-start;flex-direction:column}}

/* BS4U AI Tone Assistant 1.5 native host context indicator */
.bs4u-ai-native-status{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:12px;color:#9da6b5;justify-content:flex-end}.bs4u-ai-native-status span{width:9px;height:9px;border-radius:50%;background:#667085;box-shadow:0 0 0 3px rgba(102,112,133,.12)}.bs4u-ai-native-status span.good{background:#48b985;box-shadow:0 0 0 3px rgba(72,185,133,.14)}.bs4u-ai-native-status span.idle{background:#667085}

/* BS4U 6.2 Player Workspace visual system — real in-app styling */
.bs4u-main{position:relative;isolation:isolate}
.bs4u-main>*{position:relative;z-index:2}
.bs4u-workspace{background:
 radial-gradient(circle at 82% 7%,rgba(7,140,255,.10),transparent 26%),
 radial-gradient(circle at 74% 84%,rgba(214,168,75,.07),transparent 28%),
 #080a0e}
.bs4u-sidebar{background:
 linear-gradient(180deg,rgba(8,13,20,.98),rgba(6,8,12,.99)),
 repeating-linear-gradient(45deg,rgba(255,255,255,.018) 0 1px,transparent 1px 5px)}
.bs4u-sidebar:after{content:"";position:absolute;left:18px;right:18px;bottom:110px;height:72px;opacity:.18;pointer-events:none;background:
 repeating-linear-gradient(0deg,transparent 0 8px,rgba(98,213,232,.35) 8px 9px),
 repeating-linear-gradient(90deg,transparent 0 28px,rgba(214,168,75,.28) 28px 29px);transform:skewY(-4deg)}
.bs4u-brand-mark{clip-path:polygon(50% 0,88% 18%,100% 51%,72% 100%,28% 100%,0 51%,12% 18%);border-radius:0;background:radial-gradient(circle at 35% 24%,#ffe39a,#c78e30 45%,#4b3517 100%);color:#0a0d12;border:0;box-shadow:0 0 0 1px rgba(255,203,87,.5),0 7px 22px rgba(0,0,0,.4)}
.bs4u-topbar{overflow:hidden;background:linear-gradient(90deg,rgba(5,8,12,.97),rgba(7,18,29,.94) 60%,rgba(7,10,15,.97))}
.bs4u-topbar:before{content:"";position:absolute;right:7%;top:-82px;width:410px;height:190px;opacity:.16;transform:rotate(-8deg);pointer-events:none;background:
 repeating-linear-gradient(0deg,transparent 0 12px,rgba(143,199,242,.65) 12px 13px),
 repeating-linear-gradient(90deg,transparent 0 55px,rgba(255,203,87,.42) 55px 57px)}
.bs4u-topbar:after{content:"";position:absolute;right:24px;bottom:10px;width:190px;height:22px;opacity:.36;background:linear-gradient(90deg,transparent,#078cff 12%,transparent 14%,#078cff 17%,transparent 22%,#078cff 27%,transparent 31%,#078cff 42%,transparent 45%,#078cff 57%,transparent 61%,#078cff 72%,transparent 78%);clip-path:polygon(0 49%,5% 38%,9% 70%,13% 22%,17% 67%,22% 12%,26% 85%,31% 32%,36% 65%,41% 15%,46% 86%,52% 40%,58% 63%,64% 27%,70% 76%,77% 35%,84% 58%,92% 44%,100% 50%,100% 55%,0 55%)}

.bs4u-stage-hero{position:relative;min-height:410px;margin:0 0 20px;border:1px solid #275071;border-radius:20px;overflow:hidden;background:linear-gradient(90deg,#09131e 0%,#07101a 43%,rgba(5,10,15,.12) 72%),url('../images/hero-player-stage.png') right center/auto 100% no-repeat;box-shadow:0 24px 70px rgba(0,0,0,.42),inset 0 0 70px rgba(7,140,255,.05)}
.bs4u-stage-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(7,140,255,.07),transparent 44%),radial-gradient(circle at 76% 16%,rgba(72,172,255,.19),transparent 24%);pointer-events:none}
.bs4u-stage-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:82px;background:repeating-radial-gradient(circle at 8px 8px,rgba(255,255,255,.055) 0 1px,transparent 1.5px 8px);opacity:.38;mask-image:linear-gradient(to top,#000,transparent);pointer-events:none}
.bs4u-stage-copy{position:relative;z-index:2;width:min(55%,720px);padding:54px 42px 44px}
.bs4u-stage-kicker{display:block;color:#f3cb73;font-size:11px;font-weight:800;letter-spacing:.17em;margin-bottom:15px}
.bs4u-stage-copy h2{max-width:680px;margin:0;font-size:clamp(34px,4vw,58px);line-height:.98;letter-spacing:-.045em}.bs4u-stage-copy h2 em{display:block;color:#078cff;font-style:normal;text-shadow:0 0 28px rgba(7,140,255,.15)}
.bs4u-stage-copy p{max-width:650px;color:#c5ced9;line-height:1.6;margin:20px 0 24px}.bs4u-stage-actions{display:flex;gap:9px;flex-wrap:wrap}
.bs4u-stage-art{position:absolute;inset:0;pointer-events:none}.bs4u-stage-note{position:absolute;color:#078cff;text-shadow:0 0 18px rgba(7,140,255,.5);font-size:28px;opacity:.7}.bs4u-stage-note.n1{right:36%;top:72px}.bs4u-stage-note.n2{right:31%;top:121px;color:#f3cb73;font-size:22px}.bs4u-stage-note.n3{right:39%;top:155px;font-size:18px}.bs4u-stage-wave{position:absolute;left:34px;right:34px;bottom:27px;height:26px;opacity:.32;background:linear-gradient(90deg,transparent,#078cff 5%,transparent 7%,#078cff 10%,transparent 15%,#078cff 19%,transparent 25%,#078cff 31%,transparent 38%,#078cff 44%,transparent 52%,#078cff 61%,transparent 70%,#078cff 80%,transparent 91%);clip-path:polygon(0 50%,4% 45%,7% 65%,10% 28%,13% 74%,16% 18%,20% 82%,24% 35%,28% 67%,32% 21%,37% 84%,42% 37%,47% 64%,52% 17%,57% 78%,62% 34%,68% 66%,74% 25%,80% 73%,87% 38%,94% 58%,100% 50%,100% 54%,0 54%)}

.bs4u-panel,.bs4u-metric-card,.bs4u-tool-card,.bs4u-library-item{background-image:linear-gradient(180deg,rgba(18,25,34,.98),rgba(9,14,20,.98)),repeating-radial-gradient(circle at 6px 6px,rgba(255,255,255,.025) 0 1px,transparent 1.5px 8px)}
.bs4u-panel{position:relative;overflow:hidden}.bs4u-panel:before{content:"";position:absolute;left:18px;right:18px;top:0;height:1px;background:linear-gradient(90deg,transparent,#078cff 25%,#d6a84b 74%,transparent);opacity:.55}
.bs4u-tool-card{position:relative;overflow:hidden;border-color:#25384b;min-height:205px}.bs4u-tool-card:before{content:"";position:absolute;right:-22px;bottom:-36px;width:130px;height:130px;border:1px solid rgba(214,168,75,.12);border-radius:50%;box-shadow:inset 0 0 0 10px rgba(7,140,255,.025)}
.bs4u-tool-card[data-route="match-my-rig"]:after,.bs4u-tool-card[data-route="guitar-fingerprint"]:after,.bs4u-tool-card[data-route="tone-analyzer"]:after,.bs4u-tool-card[data-route="saved-work"]:after,.bs4u-tool-card[data-route="ai-assistant"]:after{position:absolute;right:17px;top:14px;font-size:25px;font-weight:900;color:rgba(7,140,255,.26)}
.bs4u-tool-card[data-route="match-my-rig"]:after{content:"⇆"}.bs4u-tool-card[data-route="guitar-fingerprint"]:after{content:"♬"}.bs4u-tool-card[data-route="tone-analyzer"]:after{content:"⌁"}.bs4u-tool-card[data-route="saved-work"]:after{content:"▣"}.bs4u-tool-card[data-route="ai-assistant"]:after{content:"AI";color:rgba(214,168,75,.36)}

/* Page-specific musical identities. These are real application backgrounds, not fake data. */
.bs4u-route-ai-assistant .bs4u-main:before,.bs4u-route-live-tone-coach .bs4u-main:before,.bs4u-route-match-my-rig .bs4u-main:before,.bs4u-route-saved-work .bs4u-main:before,.bs4u-route-tone-analyzer .bs4u-main:before{content:"";position:fixed;right:2vw;bottom:4vh;width:min(36vw,520px);height:min(56vh,650px);z-index:0;pointer-events:none;opacity:.10;background-repeat:no-repeat;background-position:center;background-size:contain}
.bs4u-route-ai-assistant .bs4u-main:before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 620'%3E%3Cg fill='none' stroke='%23078cff' stroke-width='5'%3E%3Cellipse cx='122' cy='448' rx='72' ry='98'/%3E%3Cellipse cx='192' cy='410' rx='58' ry='74'/%3E%3Cpath d='M181 363L295 98l16 8-112 271M291 108l18-61 11 4-8 63'/%3E%3Cpath d='M117 391l79 14M102 433l98 13'/%3E%3C/g%3E%3Cg fill='%23f3cb73'%3E%3Ccircle cx='58' cy='160' r='7'/%3E%3Cpath d='M64 160V112h5v37c19-8 29 4 13 14-9 6-18 4-18-3z'/%3E%3C/g%3E%3C/svg%3E")}
.bs4u-route-live-tone-coach .bs4u-main:before,.bs4u-route-match-my-rig .bs4u-main:before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 420'%3E%3Cg fill='none' stroke='%23078cff' stroke-width='2' opacity='.85'%3E%3Cpath d='M20 300 C80 90 120 340 180 150 S280 330 340 130 440 320 500 170 590 300 620 120'/%3E%3Cpath d='M20 330 C110 240 150 350 220 250 S340 350 410 230 540 340 620 260' stroke='%23f3cb73'/%3E%3C/g%3E%3Cg stroke='%2395b9d8' opacity='.55'%3E%3Cpath d='M50 55h520M50 75h520M50 95h520M50 115h520M50 135h520M50 155h520'/%3E%3Cpath d='M90 50v115M150 50v115M220 50v115M300 50v115M390 50v115M490 50v115'/%3E%3C/g%3E%3C/svg%3E")}
.bs4u-route-saved-work .bs4u-main:before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 560 470'%3E%3Cg fill='none' stroke='%23f3cb73' stroke-width='5'%3E%3Crect x='70' y='90' width='390' height='220' rx='22'/%3E%3Crect x='98' y='122' width='334' height='100' rx='10'/%3E%3Ccircle cx='140' cy='266' r='14'/%3E%3Ccircle cx='196' cy='266' r='14'/%3E%3Ccircle cx='252' cy='266' r='14'/%3E%3Ccircle cx='308' cy='266' r='14'/%3E%3Ccircle cx='364' cy='266' r='14'/%3E%3C/g%3E%3Cg stroke='%23078cff' stroke-width='3'%3E%3Cpath d='M80 350h390M95 370h360M112 390h326'/%3E%3C/g%3E%3C/svg%3E")}
.bs4u-route-tone-analyzer .bs4u-main:before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 620 420'%3E%3Cg fill='%23078cff'%3E%3Crect x='45' y='280' width='16' height='70'/%3E%3Crect x='78' y='220' width='16' height='130'/%3E%3Crect x='111' y='160' width='16' height='190'/%3E%3Crect x='144' y='205' width='16' height='145'/%3E%3Crect x='177' y='120' width='16' height='230'/%3E%3Crect x='210' y='190' width='16' height='160'/%3E%3Crect x='243' y='145' width='16' height='205'/%3E%3Crect x='276' y='250' width='16' height='100'/%3E%3C/g%3E%3Cg fill='%23f3cb73'%3E%3Crect x='330' y='180' width='16' height='170'/%3E%3Crect x='363' y='130' width='16' height='220'/%3E%3Crect x='396' y='210' width='16' height='140'/%3E%3Crect x='429' y='165' width='16' height='185'/%3E%3Crect x='462' y='235' width='16' height='115'/%3E%3C/g%3E%3C/svg%3E")}

.bs4u-route-ai-assistant .bs4u-ai-hero{min-height:150px;background:linear-gradient(105deg,rgba(7,140,255,.13),rgba(9,15,23,.96) 46%,rgba(214,168,75,.10));box-shadow:0 20px 60px rgba(0,0,0,.3),inset 0 0 60px rgba(7,140,255,.035)}
.bs4u-route-ai-assistant .bs4u-ai-orb{width:82px;height:82px;background:radial-gradient(circle at 50% 42%,#071421 0 26%,#078cff 29% 34%,#071421 37% 44%,#d6a84b 47% 53%,#10161e 57%);color:#fff;box-shadow:0 0 0 7px rgba(7,140,255,.07),0 0 46px rgba(7,140,255,.2)}
.bs4u-route-saved-work .bs4u-library-item{min-height:86px;border-color:#29445b}.bs4u-route-saved-work .bs4u-library-item:before{content:"";flex:0 0 48px;height:54px;border:1px solid rgba(214,168,75,.45);border-radius:8px;background:linear-gradient(#201c14,#0d1218),repeating-radial-gradient(circle at 5px 5px,#fff 0 1px,transparent 1px 6px)}

@media(max-width:980px){.bs4u-stage-hero{background-position:125% center}.bs4u-stage-copy{width:68%;padding:42px 30px}.bs4u-stage-copy h2{font-size:38px}}
@media(max-width:720px){.bs4u-stage-hero{min-height:500px;background-position:70% bottom;background-size:auto 62%;background-image:linear-gradient(180deg,#09131e 0%,#07101a 52%,rgba(5,10,15,.15) 74%),url('../images/hero-player-stage.png')}.bs4u-stage-copy{width:100%;padding:32px 24px}.bs4u-stage-copy h2{font-size:34px}.bs4u-stage-copy p{font-size:14px}.bs4u-route-ai-assistant .bs4u-main:before,.bs4u-route-live-tone-coach .bs4u-main:before,.bs4u-route-match-my-rig .bs4u-main:before,.bs4u-route-saved-work .bs4u-main:before,.bs4u-route-tone-analyzer .bs4u-main:before{opacity:.055;width:75vw}}

/* Training Center 6.3.3 — three-level simple learning path */
.bs4u-training-welcome{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr);gap:24px;padding:28px;margin-bottom:18px;border:1px solid rgba(63,181,255,.38);border-radius:18px;background:radial-gradient(circle at 85% 10%,rgba(49,157,226,.18),transparent 32%),linear-gradient(135deg,rgba(13,34,56,.98),rgba(7,17,29,.98));box-shadow:0 18px 50px rgba(0,0,0,.18)}
.bs4u-training-welcome h2{font-size:clamp(30px,4vw,52px);line-height:1.02;margin:8px 0 12px;letter-spacing:-.025em}.bs4u-training-welcome p{font-size:17px;line-height:1.65;color:var(--muted);max-width:820px}.bs4u-training-welcome-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}.bs4u-training-welcome-actions>span{color:var(--muted);font-size:13px}.bs4u-training-start{min-height:60px;padding:0 28px!important;font-size:17px!important;font-weight:800!important;box-shadow:0 0 0 1px rgba(75,194,255,.28),0 12px 34px rgba(20,135,210,.24)}
.bs4u-training-welcome-checklist{display:flex;flex-direction:column;gap:11px;padding:22px;border:1px solid var(--border);border-radius:14px;background:rgba(4,13,23,.56)}.bs4u-training-welcome-checklist strong{color:var(--gold);font-size:15px;margin-bottom:4px}.bs4u-training-welcome-checklist span{color:var(--text);font-size:14px}
.bs4u-training-level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 18px}.bs4u-training-level-card{position:relative;overflow:hidden;min-height:330px;padding:22px;border:1px solid var(--border);border-radius:16px;background:linear-gradient(180deg,rgba(19,29,41,.98),rgba(8,14,22,.98));display:flex;flex-direction:column}.bs4u-training-level-card:before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--accent)}.bs4u-training-level-card.level-beginner:before{background:#4bd89a}.bs4u-training-level-card.level-intermediate:before{background:#4bbfff}.bs4u-training-level-card.level-advanced:before{background:#d6a84b}.bs4u-training-level-number{position:absolute;right:18px;top:16px;color:rgba(255,255,255,.09);font-size:64px;font-weight:900;line-height:1}.bs4u-training-level-card h3{font-size:26px;margin:10px 0 6px}.bs4u-training-level-card p{color:var(--muted);line-height:1.55}.bs4u-training-level-subtitle{color:var(--text)!important;font-weight:700}.bs4u-training-level-meta{margin:auto 0 14px;color:var(--gold);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.bs4u-training-path-section{scroll-margin-top:20px}.bs4u-training-section-title p{margin:7px 0 0;color:var(--muted);max-width:900px}.bs4u-training-lesson-list{display:flex;flex-direction:column;gap:10px}.bs4u-training-lesson-card{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px;border:1px solid var(--border);border-radius:13px;background:linear-gradient(180deg,rgba(19,27,37,.94),rgba(11,16,23,.94))}.bs4u-training-lesson-card.locked{border-color:rgba(214,168,75,.42)}.bs4u-training-lesson-number{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:rgba(65,183,255,.10);border:1px solid rgba(65,183,255,.34);color:var(--accent);font-weight:900}.bs4u-training-lesson-copy h4{margin:8px 0 4px;font-size:17px}.bs4u-training-lesson-copy p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.bs4u-training-lesson-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.bs4u-training-lesson-label{display:inline-flex;margin-bottom:8px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.06em}.bs4u-training-player-actions{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.bs4u-training-player-nav{display:flex;gap:8px;flex-wrap:wrap}
.bs4u-training-full-library>summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;padding:4px}.bs4u-training-full-library>summary::-webkit-details-marker{display:none}.bs4u-training-full-library>summary span:first-child{display:flex;flex-direction:column;gap:4px}.bs4u-training-full-library>summary small{color:var(--muted);font-weight:400}.bs4u-training-full-library[open]>summary{padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:20px}.bs4u-training-full-library-body{display:flex;flex-direction:column;gap:18px}.bs4u-training-library-group{padding-top:4px}
@media(max-width:1050px){.bs4u-training-level-grid{grid-template-columns:1fr}.bs4u-training-welcome{grid-template-columns:1fr}.bs4u-training-lesson-card{grid-template-columns:52px minmax(0,1fr)}.bs4u-training-lesson-actions{grid-column:1/-1;justify-content:flex-start;margin-left:68px}}
@media(max-width:700px){.bs4u-training-welcome{padding:20px}.bs4u-training-start{width:100%}.bs4u-training-lesson-card{grid-template-columns:1fr}.bs4u-training-lesson-number{margin-bottom:2px}.bs4u-training-lesson-actions{grid-column:auto;margin-left:0}.bs4u-training-lesson-actions .bs4u-button,.bs4u-training-player-nav .bs4u-button{width:100%}.bs4u-training-player-actions{align-items:stretch}.bs4u-training-player-nav{width:100%}}