:root{--bp-bg:#f6f7fb;--bp-ink:#161820;--bp-muted:#687084;--bp-line:#e6e8ef;--bp-brand:#5b5fe8;--bp-brand2:#8a5cf6;--bp-soft:#eef0ff;--bp-card:#fff;--bp-shadow:0 18px 55px rgba(26,32,59,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bp-bg);color:var(--bp-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select{font:inherit}button{appearance:none}.bpm-sr{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.bpm-container{width:min(1180px,calc(100% - 40px));margin:0 auto}.bpm-header{position:sticky;top:0;z-index:30;background:rgba(246,247,251,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,229,236,.9)}.bpm-header__inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}.bpm-brand{display:inline-flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:950;letter-spacing:-.03em}.bpm-brand__mark{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;background:var(--bp-ink);color:#fff}.bpm-nav{display:flex;align-items:center;gap:15px}.bpm-nav a{color:var(--bp-muted);text-decoration:none;font-weight:850;font-size:13px}.bpm-nav select{border:1px solid var(--bp-line);background:#fff;border-radius:12px;padding:9px 12px;font-weight:800;color:var(--bp-ink)}.bpm-main{padding:48px 0 90px}.bpm-hero{text-align:center;max-width:980px;margin:0 auto 40px}.bpm-orbit{height:82px;display:flex;align-items:center;justify-content:center;gap:7px;margin-bottom:3px}.bpm-orbit span{width:7px;border-radius:999px;background:linear-gradient(180deg,var(--bp-brand),var(--bp-brand2));animation:bpmWave 1.45s ease-in-out infinite}.bpm-orbit span:nth-child(1){height:19px}.bpm-orbit span:nth-child(2){height:34px;animation-delay:.08s}.bpm-orbit span:nth-child(3){height:54px;animation-delay:.16s}.bpm-orbit span:nth-child(4){height:40px;animation-delay:.24s}.bpm-orbit span:nth-child(5){height:68px;animation-delay:.32s}.bpm-orbit span:nth-child(6){height:47px;animation-delay:.4s}.bpm-orbit span:nth-child(7){height:60px;animation-delay:.48s}.bpm-orbit span:nth-child(8){height:29px;animation-delay:.56s}@keyframes bpmWave{0%,100%{transform:scaleY(.72);opacity:.65}50%{transform:scaleY(1);opacity:1}}.bpm-eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:var(--bp-soft);color:var(--bp-brand);font-size:12px;font-weight:950}.bpm-hero h1{margin:15px 0 11px;font-size:clamp(34px,5.4vw,64px);line-height:1.05;letter-spacing:-.045em}.bpm-hero p{margin:0;color:var(--bp-muted);font-size:16px;line-height:1.8}.bpm-chips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:20px}.bpm-chips span{padding:8px 12px;border:1px solid var(--bp-line);background:#fff;border-radius:999px;color:#4e5567;font-size:12px;font-weight:850}.bpm-workspace{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(310px,.62fr);gap:20px;align-items:start}.bpm-card{background:var(--bp-card);border:1px solid var(--bp-line);border-radius:26px;box-shadow:var(--bp-shadow)}.bpm-main-card{padding:20px}.bpm-card-head,.bpm-panel-head,.bpm-info-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.bpm-kicker{display:inline-flex;color:var(--bp-brand);font-size:11px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}.bpm-card-head h2,.bpm-panel-head h2,.bpm-info-head h2{margin:5px 0 0;font-size:22px;letter-spacing:-.03em}.bpm-pill{padding:8px 11px;background:#f7f8fb;border:1px solid var(--bp-line);border-radius:999px;color:var(--bp-muted);font-size:12px;font-weight:850}.bpm-dropzone{margin-top:18px;min-height:370px;border:2px dashed #d8dcff;border-radius:24px;background:linear-gradient(180deg,#fff,#fbfbff);display:grid;place-items:center;align-content:center;text-align:center;padding:34px;cursor:pointer;transition:.2s}.bpm-dropzone:hover,.bpm-dropzone.is-drag{border-color:#b7bdff;background:#f7f8ff}.bpm-dropzone h3{margin:10px 0 7px;font-size:23px}.bpm-dropzone p{margin:0 0 18px;color:var(--bp-muted);line-height:1.7}.bpm-dropzone small{margin-top:12px;color:#8a90a2;font-size:11px}.bpm-drop-icon{height:82px;display:flex;align-items:center;gap:7px}.bpm-drop-icon i{display:block;width:8px;border-radius:999px;background:linear-gradient(180deg,var(--bp-brand),var(--bp-brand2));animation:bpmDrop 1.25s ease-in-out infinite}.bpm-drop-icon i:nth-child(1){height:22px}.bpm-drop-icon i:nth-child(2){height:48px;animation-delay:.08s}.bpm-drop-icon i:nth-child(3){height:70px;animation-delay:.16s}.bpm-drop-icon i:nth-child(4){height:36px;animation-delay:.24s}.bpm-drop-icon i:nth-child(5){height:61px;animation-delay:.32s}.bpm-drop-icon i:nth-child(6){height:43px;animation-delay:.4s}.bpm-drop-icon i:nth-child(7){height:27px;animation-delay:.48s}@keyframes bpmDrop{50%{transform:scaleY(1.12)}}.bpm-button{border:0;border-radius:13px;padding:12px 17px;font-weight:900;cursor:pointer;transition:.18s}.bpm-button--primary{background:var(--bp-brand);color:#fff}.bpm-button--primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 11px 25px rgba(91,95,232,.25)}.bpm-button--ghost{background:#fff;color:var(--bp-ink);border:1px solid var(--bp-line)}.bpm-button--large{min-height:50px;padding:14px 20px}.bpm-button--tiny{padding:7px 10px;border-radius:10px;font-size:11px}.bpm-button:disabled{opacity:.45;cursor:not-allowed}.bpm-file-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;margin-top:16px;padding:14px;border:1px solid var(--bp-line);border-radius:16px;background:#fafbff}.bpm-file-symbol{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:var(--bp-soft);color:var(--bp-brand);font-size:21px;font-weight:950}.bpm-file-card strong,.bpm-file-card small{display:block}.bpm-file-card strong{word-break:break-word}.bpm-file-card small{margin-top:3px;color:var(--bp-muted);font-size:12px}.bpm-progress{margin-top:16px;padding:16px;border:1px solid var(--bp-line);border-radius:18px;background:#fbfbff}.bpm-progress__top,.bpm-progress__bottom{display:flex;justify-content:space-between;align-items:center;gap:12px}.bpm-progress__top span,.bpm-progress__bottom{font-size:12px;color:var(--bp-muted)}.bpm-progress__bar{height:10px;background:#eceef4;border-radius:999px;overflow:hidden;margin:10px 0}.bpm-progress__bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--bp-brand),var(--bp-brand2));transition:width .15s}.bpm-player{margin-top:16px;padding:18px;border:1px solid var(--bp-line);border-radius:20px;background:#fcfcff}.bpm-player__top{display:flex;justify-content:space-between;gap:10px;margin-bottom:10px}.bpm-player__top span{font-size:12px;color:var(--bp-muted)}.bpm-player audio{width:100%}.bpm-player canvas{display:block;width:100%;height:190px;margin-top:14px;border-radius:17px;background:#131625}.bpm-local-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:12px}.bpm-local-grid div{padding:11px;border:1px solid var(--bp-line);border-radius:13px;background:#fff}.bpm-local-grid span,.bpm-local-grid strong{display:block}.bpm-local-grid span{color:var(--bp-muted);font-size:10px}.bpm-local-grid strong{margin-top:3px;font-size:13px}.bpm-actions{display:flex;align-items:center;gap:13px;margin-top:18px}.bpm-status{color:var(--bp-muted);font-size:12px}.bpm-side-card{padding:22px;position:sticky;top:94px}.bpm-side-icon{width:54px;height:54px;display:grid;place-items:center;background:var(--bp-soft);border-radius:17px;color:var(--bp-brand);font-size:28px;margin-bottom:16px}.bpm-side-card h2{margin:6px 0 8px;font-size:24px}.bpm-side-card p{margin:0;color:var(--bp-muted);line-height:1.75}.bpm-side-meter{display:flex;align-items:end;gap:7px;height:105px;margin:24px 0}.bpm-side-meter span{flex:1;border-radius:999px 999px 7px 7px;background:linear-gradient(180deg,var(--bp-brand),#c5c7ff);min-height:18px;animation:bpmMeter 1.8s ease-in-out infinite}.bpm-side-meter span:nth-child(1){height:28px}.bpm-side-meter span:nth-child(2){height:45px;animation-delay:.08s}.bpm-side-meter span:nth-child(3){height:68px;animation-delay:.16s}.bpm-side-meter span:nth-child(4){height:88px;animation-delay:.24s}.bpm-side-meter span:nth-child(5){height:60px;animation-delay:.32s}.bpm-side-meter span:nth-child(6){height:78px;animation-delay:.4s}.bpm-side-meter span:nth-child(7){height:37px;animation-delay:.48s}@keyframes bpmMeter{50%{transform:scaleY(.8);opacity:.78}}.bpm-side-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.bpm-side-grid div{padding:11px;border:1px solid var(--bp-line);border-radius:13px;background:#fbfbff}.bpm-side-grid span,.bpm-side-grid strong{display:block}.bpm-side-grid span{font-size:10px;color:var(--bp-muted)}.bpm-side-grid strong{margin-top:4px;font-size:12px;word-break:break-word}.bpm-side-foot{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.bpm-side-foot span{padding:7px 9px;border:1px solid var(--bp-line);background:#fff;border-radius:999px;font-size:10px;font-weight:850;color:#626a7d}.bpm-results{margin-top:22px}.bpm-result-hero{padding:22px}.bpm-result-layout{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:center;margin-top:15px}.bpm-gauge{display:grid;place-items:center}.bpm-gauge__ring{width:265px;height:265px;border-radius:50%;background:conic-gradient(var(--bp-brand) calc(var(--confidence,0)*1%),#e8eaf4 0);padding:14px;display:grid;place-items:center;box-shadow:inset 0 0 0 1px #e0e3ee}.bpm-gauge__ring>div{width:100%;height:100%;border-radius:50%;background:#fff;display:grid;place-items:center;align-content:center;text-align:center}.bpm-gauge__ring strong{font-weight:950}.bpm-gauge__ring span{display:block;font-size:76px;font-weight:950;letter-spacing:-.07em;line-height:.9;color:var(--bp-ink)}.bpm-gauge__ring small{display:block;margin-top:9px;font-size:13px;color:var(--bp-muted);font-weight:900;letter-spacing:.1em}.bpm-result-badges{display:flex;flex-wrap:wrap;gap:8px}.bpm-result-badges span{padding:8px 11px;border-radius:999px;background:var(--bp-soft);color:var(--bp-brand);font-size:12px;font-weight:900}.bpm-result-copy h3{margin:14px 0 8px;font-size:28px;line-height:1.15}.bpm-result-copy p{margin:0;color:var(--bp-muted);line-height:1.8}.bpm-result-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px}.bpm-result-stats div{padding:14px;border:1px solid var(--bp-line);border-radius:15px;background:#fbfbff}.bpm-result-stats span,.bpm-result-stats strong{display:block}.bpm-result-stats span{font-size:10px;color:var(--bp-muted)}.bpm-result-stats strong{margin-top:4px;font-size:16px}.bpm-result-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px solid var(--bp-line)}.bpm-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.bpm-panel{padding:21px}.bpm-panel-intro{margin:10px 0 18px;color:var(--bp-muted);line-height:1.7}.bpm-alternatives{display:grid;gap:10px;margin-top:16px}.bpm-alt{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:13px 14px;border:1px solid var(--bp-line);border-radius:14px;background:#fbfbff}.bpm-alt__bpm{font-size:25px;font-weight:950;color:var(--bp-brand)}.bpm-alt__line span,.bpm-alt__line small{display:block}.bpm-alt__line small{margin-top:3px;color:var(--bp-muted);font-size:11px}.bpm-alt__score{font-size:11px;color:var(--bp-muted);font-weight:850}.bpm-segments{display:grid;gap:10px;margin-top:16px}.bpm-seg{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:13px 14px;border:1px solid var(--bp-line);border-radius:14px;background:#fbfbff}.bpm-seg__title{font-weight:900}.bpm-seg__meta{margin-top:3px;font-size:11px;color:var(--bp-muted)}.bpm-seg__bpm{font-size:22px;font-weight:950;color:var(--bp-brand)}.bpm-tap-row{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}.bpm-tap-button{width:160px;height:160px;border:0;border-radius:50%;background:linear-gradient(145deg,var(--bp-brand),var(--bp-brand2));color:#fff;font-size:22px;font-weight:950;box-shadow:0 20px 50px rgba(91,95,232,.28);cursor:pointer;transition:.1s}.bpm-tap-button:active{transform:scale(.95)}.bpm-tap-value{text-align:center;min-width:140px}.bpm-tap-value strong{display:block;font-size:48px;font-weight:950;line-height:1}.bpm-tap-value span{display:block;margin-top:6px;color:var(--bp-muted);font-size:11px}.bpm-info,.bpm-guide,.bpm-tools-section{margin-top:54px}.bpm-info-head{justify-content:flex-start}.bpm-info-head h2{font-size:28px}.bpm-info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}.bpm-info-card{padding:22px;border:1px solid var(--bp-line);background:#fff;border-radius:22px}.bpm-info-card>span{display:inline-grid;width:32px;height:32px;place-items:center;border-radius:10px;background:var(--bp-soft);color:var(--bp-brand);font-size:11px;font-weight:950}.bpm-info-card h3{margin:16px 0 7px;font-size:19px}.bpm-info-card p{margin:0;color:var(--bp-muted);line-height:1.75}.bpm-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.bpm-guide-grid article{display:flex;gap:15px;padding:20px;border:1px solid var(--bp-line);background:#fff;border-radius:20px}.bpm-guide-grid article>span{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;background:var(--bp-soft);color:var(--bp-brand);border-radius:12px;font-size:11px;font-weight:950}.bpm-guide-grid h3{margin:0 0 6px;font-size:17px}.bpm-guide-grid p{margin:0;color:var(--bp-muted);line-height:1.65;font-size:13px}.bpm-tools-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:18px}.bpm-tool-card{display:flex;align-items:center;gap:12px;padding:17px;border:1px solid var(--bp-line);border-radius:18px;background:#fff;text-decoration:none;color:inherit;transition:.18s}.bpm-tool-card:hover{transform:translateY(-2px);box-shadow:0 15px 35px rgba(26,32,59,.08);border-color:#d8dcff}.bpm-tool-icon{width:52px;height:52px;flex:0 0 52px;display:grid;place-items:center;background:var(--bp-soft);border-radius:15px;color:var(--bp-brand);font-size:10px;font-weight:950;text-align:center}.bpm-tool-card strong,.bpm-tool-card small{display:block}.bpm-tool-card strong{font-size:14px;line-height:1.4}.bpm-tool-card small{margin-top:5px;color:var(--bp-brand);font-size:11px;font-weight:900}.bpm-tools-section--more .bpm-info-head{justify-content:space-between}.bpm-tools-section--more .bpm-info-head>a{color:var(--bp-brand);font-size:12px;font-weight:900;text-decoration:none}.bpm-footer{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:28px 0 44px;display:flex;justify-content:space-between;gap:15px;color:#80879a;font-size:12px;border-top:1px solid var(--bp-line)}
@media(max-width:980px){.bpm-workspace,.bpm-result-layout,.bpm-grid-2{grid-template-columns:1fr}.bpm-side-card{position:static}.bpm-result-layout{justify-items:center}.bpm-result-copy{width:100%}.bpm-info-grid,.bpm-guide-grid,.bpm-tools-grid{grid-template-columns:1fr 1fr}}
@media(max-width:660px){.bpm-container{width:min(100% - 24px,1180px)}.bpm-header__inner{min-height:68px}.bpm-nav a{display:none}.bpm-main{padding-top:28px}.bpm-hero h1{font-size:38px}.bpm-workspace{gap:14px}.bpm-main-card,.bpm-result-hero,.bpm-panel,.bpm-side-card{padding:16px}.bpm-dropzone{min-height:315px;padding:24px}.bpm-local-grid,.bpm-result-stats,.bpm-info-grid,.bpm-guide-grid,.bpm-tools-grid{grid-template-columns:1fr}.bpm-result-layout{gap:18px}.bpm-gauge__ring{width:220px;height:220px}.bpm-gauge__ring span{font-size:64px}.bpm-actions{align-items:stretch;flex-direction:column}.bpm-result-actions{display:grid;grid-template-columns:1fr}.bpm-tap-button{width:140px;height:140px}.bpm-footer{width:min(100% - 24px,1180px)}}