:root{--navy:#08102a;--navy2:#101a3b;--panel:#111b3c;--panel2:#162347;--green:#39e87c;--cyan:#00d4ff;--white:#f7fbff;--muted:#98a5c6;--danger:#ff5f72;--orange:#ffb443;--purple:#a97cff;--border:rgba(255,255,255,.09);--shadow:0 18px 45px rgba(0,0,0,.28);--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}html{background:var(--navy);color-scheme:dark}body{margin:0;background:radial-gradient(circle at 80% -10%,rgba(0,212,255,.12),transparent 30%),var(--navy);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--white);min-height:100vh}button,input{font:inherit}.hidden{display:none!important}.app-shell{max-width:760px;margin:0 auto;min-height:100vh;padding-bottom:calc(86px + var(--safe-bottom))}.topbar{height:68px;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;background:rgba(8,16,42,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;background:none;border:0;color:var(--white);text-align:left;padding:0}.brand-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--green),var(--cyan));color:var(--navy);font-weight:950;letter-spacing:-1px}.brand strong,.brand small{display:block}.brand strong{font-size:17px;line-height:1}.brand small{color:var(--green);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;margin-top:4px}.top-actions{display:flex;align-items:center;gap:8px}.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--panel);color:white;font-size:18px}.status-badge{font-size:11px;color:var(--orange);border:1px solid rgba(255,180,67,.3);background:rgba(255,180,67,.1);padding:5px 8px;border-radius:999px}.view{display:none;padding:20px 18px 28px}.view.active{display:block}.hero-card{padding:26px;border-radius:26px;background:linear-gradient(145deg,rgba(57,232,124,.14),rgba(0,212,255,.06)),var(--panel);border:1px solid rgba(57,232,124,.22);box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-card:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-75px;top:-75px;background:rgba(0,212,255,.08)}.eyebrow{margin:0 0 7px;color:var(--green);font-size:11px;font-weight:800;letter-spacing:1.8px}.hero-card h1,.view-heading h1{margin:0;font-size:clamp(28px,8vw,42px);line-height:1.02;letter-spacing:-1.3px}.hero-card h1 span{color:var(--green)}.hero-card>p:not(.eyebrow){color:var(--muted);line-height:1.5;max-width:530px}.hero-stats{display:flex;gap:14px;margin-top:22px}.hero-stats div{flex:1;padding:13px;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:16px}.hero-stats strong,.hero-stats span{display:block}.hero-stats strong{font-size:22px;color:var(--cyan)}.hero-stats span{font-size:11px;color:var(--muted);margin-top:2px}.section-title{font-size:18px;margin:25px 0 13px}.section-heading-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading-row .section-title{margin:25px 0 13px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mode-card{min-height:110px;border:1px solid var(--border);border-radius:20px;background:var(--panel);color:white;padding:16px;text-align:left;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;box-shadow:0 7px 20px rgba(0,0,0,.14)}.mode-card:active{transform:scale(.98)}.mode-card strong,.mode-card small{display:block}.mode-card strong{font-size:16px}.mode-card small{font-size:11px;color:var(--muted);margin-top:4px}.mode-card b{color:var(--green)}.mode-icon{width:42px;height:42px;border-radius:14px;background:rgba(57,232,124,.11);color:var(--green);display:grid;place-items:center;font-weight:900}.text-btn,.back-btn{border:0;background:none;color:var(--cyan);padding:8px;font-weight:700}.back-btn{font-size:26px;color:white;padding:4px 14px 4px 0}.preset-scroll{display:flex;gap:12px;overflow:auto;padding-bottom:5px;scrollbar-width:none}.preset-scroll::-webkit-scrollbar{display:none}.preset-chip{min-width:170px;background:var(--panel);border:1px solid var(--border);border-radius:18px;color:white;text-align:left;padding:15px}.preset-chip span,.preset-chip strong,.preset-chip small{display:block}.preset-chip span{font-size:10px;color:var(--green);font-weight:800;letter-spacing:1px}.preset-chip strong{margin:6px 0 10px;font-size:15px}.preset-chip small{color:var(--muted)}.music-feature-card{margin-top:24px;border-radius:22px;padding:20px;background:linear-gradient(135deg,rgba(169,124,255,.15),rgba(0,212,255,.08)),var(--panel);border:1px solid rgba(169,124,255,.24);display:grid;grid-template-columns:auto 1fr;gap:15px}.music-feature-card h3,.config-card h3{margin:0 0 5px}.music-feature-card p:not(.eyebrow),.helper-copy{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.music-feature-card button{grid-column:1/-1}.music-wave{height:56px;width:56px;border-radius:17px;background:rgba(169,124,255,.15);display:flex;align-items:center;justify-content:center;gap:3px}.music-wave i{display:block;width:3px;border-radius:2px;background:var(--purple);animation:wave 1s ease-in-out infinite}.music-wave i:nth-child(1),.music-wave i:nth-child(6){height:14px}.music-wave i:nth-child(2),.music-wave i:nth-child(5){height:27px;animation-delay:.1s}.music-wave i:nth-child(3),.music-wave i:nth-child(4){height:38px;animation-delay:.2s}@keyframes wave{50%{transform:scaleY(.45)}}.view-heading{display:flex;align-items:center;margin-bottom:18px}.view-heading h1{font-size:28px}.config-card{background:var(--panel);border:1px solid var(--border);border-radius:22px;padding:18px;margin-bottom:14px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:block}.field.full{margin-bottom:18px}.field>span{display:block;color:#dce5ff;font-size:13px;font-weight:700;margin-bottom:8px}.field>small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.field input[type=text]{width:100%;border:1px solid var(--border);background:var(--navy2);color:white;border-radius:13px;padding:13px;outline:none}.number-control{display:grid;grid-template-columns:38px 1fr 38px;height:45px;border:1px solid var(--border);background:var(--navy2);border-radius:13px;overflow:hidden}.number-control button{border:0;background:rgba(255,255,255,.05);color:var(--green);font-weight:900}.number-control input{width:100%;border:0;background:transparent;text-align:center;color:white;font-weight:850;outline:none;appearance:textfield}.number-control input::-webkit-outer-spin-button,.number-control input::-webkit-inner-spin-button{appearance:none}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--border);cursor:pointer}.switch-row:last-child{border-bottom:0}.switch-row strong,.switch-row small{display:block}.switch-row strong{font-size:14px}.switch-row small{font-size:11px;color:var(--muted);margin-top:3px}.switch-row input{display:none}.switch-row i{flex:0 0 46px;height:26px;border-radius:999px;background:#3b4562;position:relative;transition:.2s}.switch-row i:after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:white;top:3px;left:3px;transition:.2s}.switch-row input:checked+i{background:var(--green)}.switch-row input:checked+i:after{left:23px;background:var(--navy)}.selected-track{display:flex;align-items:center;gap:12px;margin-top:14px;padding:12px;border-radius:16px;background:var(--navy2);border:1px solid var(--border)}.track-art,.mini-art{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--purple),var(--cyan));font-size:20px}.selected-track strong,.selected-track small{display:block}.selected-track small{color:var(--muted);font-size:11px;margin-top:3px}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.summary-grid div{background:var(--navy2);border-radius:15px;padding:14px}.summary-grid span,.summary-grid strong{display:block}.summary-grid span{color:var(--muted);font-size:11px}.summary-grid strong{font-size:22px;margin-top:5px;color:var(--green)}.sticky-actions{display:grid;grid-template-columns:1fr 1.5fr;gap:10px;position:sticky;bottom:calc(76px + var(--safe-bottom));z-index:20;padding:10px 0;background:linear-gradient(transparent,var(--navy) 20%)}.primary-btn,.secondary-btn,.danger-btn,.upload-btn{border:0;border-radius:14px;padding:14px 16px;font-weight:850;text-align:center;cursor:pointer}.primary-btn{background:linear-gradient(135deg,var(--green),#22c96a);color:var(--navy);box-shadow:0 10px 25px rgba(57,232,124,.2)}.secondary-btn{background:var(--panel2);border:1px solid var(--border);color:white}.danger-btn{background:rgba(255,95,114,.13);border:1px solid rgba(255,95,114,.26);color:#ff8796}.full-btn{width:100%;margin-top:14px}.now-playing-card{border-radius:24px;padding:20px;background:linear-gradient(145deg,rgba(169,124,255,.17),rgba(0,212,255,.07)),var(--panel);border:1px solid rgba(169,124,255,.24);margin-bottom:14px}.album-art{width:156px;height:156px;border-radius:28px;margin:3px auto 20px;background:linear-gradient(135deg,#6638d8,var(--cyan));display:grid;place-items:center;position:relative;box-shadow:0 20px 40px rgba(0,0,0,.3);overflow:hidden}.album-art>span{font-size:38px;font-weight:950;color:white;z-index:2}.disc{position:absolute;width:115px;height:115px;border-radius:50%;border:1px solid rgba(255,255,255,.18);box-shadow:inset 0 0 0 24px rgba(0,0,0,.08),inset 0 0 0 25px rgba(255,255,255,.12)}.now-playing-info{text-align:center}.now-playing-info h2{font-size:20px;margin:0}.now-playing-info>p:last-child{color:var(--muted);font-size:12px}.player-controls{display:flex;align-items:center;justify-content:center;gap:24px;margin:18px 0}.player-controls button{background:none;border:0;color:white;font-size:22px}.player-controls .play-main{width:58px;height:58px;border-radius:50%;background:var(--green);color:var(--navy);font-size:20px}.progress-row,.volume-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;color:var(--muted);font-size:11px}.volume-row{margin-top:13px}.progress-row input,.volume-row input,.range-field input{accent-color:var(--green);width:100%}.upload-btn{background:var(--green);color:var(--navy);font-size:12px;padding:10px 12px}.track-list{margin-top:14px}.track-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.track-row:last-child{border-bottom:0}.track-row.active .track-art{box-shadow:0 0 0 2px var(--green)}.track-row strong,.track-row small{display:block}.track-row strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-row small{font-size:10px;color:var(--muted);margin-top:3px}.track-actions{display:flex}.track-actions button{border:0;background:none;color:var(--muted);font-size:17px;padding:6px}.empty-state{text-align:center;padding:30px 12px;color:var(--muted)}.empty-state span{display:grid;place-items:center;margin:auto;width:55px;height:55px;border-radius:18px;background:var(--navy2);font-size:25px}.empty-state strong{display:block;color:white;margin-top:12px}.empty-state p{font-size:12px;line-height:1.5}.range-field{display:block;margin-top:15px}.range-field>span{display:flex;justify-content:space-between;font-size:13px;margin-bottom:8px}.range-field b{color:var(--green)}.external-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:13px}.external-grid button{border:1px solid var(--border);background:var(--navy2);color:white;border-radius:12px;padding:12px 7px;font-size:11px}.preset-list-full{display:grid;gap:12px}.preset-full-card{border:1px solid var(--border);background:var(--panel);border-radius:19px;padding:16px;display:grid;grid-template-columns:1fr auto;gap:10px}.preset-full-card h3{margin:4px 0 6px}.preset-full-card p{margin:0;color:var(--muted);font-size:12px}.preset-full-card .actions{display:flex;align-items:center}.preset-full-card button{border:0;background:none;color:var(--cyan);font-size:19px}.version{text-align:center;color:var(--muted);font-size:11px;margin-top:25px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(760px,100%);height:calc(72px + var(--safe-bottom));padding:8px 12px var(--safe-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(12,22,53,.95);backdrop-filter:blur(20px);border-top:1px solid var(--border);z-index:50}.bottom-nav button{border:0;background:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:3px;padding:5px}.bottom-nav button span{font-size:20px}.bottom-nav button small{font-size:10px}.bottom-nav button.active{color:var(--green)}.runner-view{position:fixed;inset:0;z-index:100;padding:0!important;max-width:none;background:var(--navy);overflow:hidden}.runner-background{position:absolute;inset:0;opacity:.22;transition:background .35s}.runner-background.state-prep{background:radial-gradient(circle at center,var(--cyan),transparent 55%)}.runner-background.state-work{background:radial-gradient(circle at center,var(--green),transparent 58%)}.runner-background.state-rest{background:radial-gradient(circle at center,var(--orange),transparent 58%)}.runner-background.state-finished{background:radial-gradient(circle at center,var(--purple),transparent 58%)}.runner-content{position:relative;z-index:2;height:100%;max-width:760px;margin:auto;display:flex;flex-direction:column;padding:calc(15px + env(safe-area-inset-top,0px)) 18px calc(18px + var(--safe-bottom))}.runner-header{display:grid;grid-template-columns:45px 1fr 45px;align-items:center;text-align:center}.runner-header button{width:43px;height:43px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.06);color:white}.runner-header strong,.runner-header small{display:block}.runner-header small{color:var(--muted);font-size:10px;letter-spacing:1.4px;margin-top:3px}.runner-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.phase-label{font-weight:950;letter-spacing:4px;color:var(--cyan);font-size:clamp(19px,5vw,28px);margin:0}.timer-display{font-size:clamp(95px,28vw,190px);line-height:.95;font-weight:950;letter-spacing:-8px;margin:18px 0 8px;font-variant-numeric:tabular-nums}.next-phase{color:var(--muted);margin:0 0 30px}.runner-progress{height:7px;width:min(440px,90%);background:rgba(255,255,255,.1);border-radius:99px;overflow:hidden}.runner-progress i{display:block;height:100%;width:100%;background:var(--green);transform-origin:left}.runner-metrics{display:grid;grid-template-columns:repeat(3,1fr);width:min(500px,100%);gap:9px;margin-top:25px}.runner-metrics div{padding:13px 8px;border:1px solid var(--border);background:rgba(255,255,255,.045);border-radius:16px}.runner-metrics span,.runner-metrics strong{display:block}.runner-metrics span{font-size:9px;color:var(--muted);letter-spacing:1.1px}.runner-metrics strong{font-size:17px;margin-top:5px}.runner-controls{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin-top:12px}.runner-controls button{border:0;background:none;color:white}.runner-controls button:not(.runner-pause){display:flex;flex-direction:column;gap:3px;align-items:center;font-size:25px;color:var(--muted)}.runner-controls small{font-size:9px}.runner-pause{width:72px;height:72px;border-radius:50%!important;background:white!important;color:var(--navy)!important;font-size:25px!important;font-weight:900}.mini-player{display:grid;grid-template-columns:auto 1fr auto auto auto;align-items:center;gap:8px;background:rgba(17,27,60,.92);border:1px solid var(--border);border-radius:17px;padding:8px 10px;margin-bottom:10px}.mini-player strong,.mini-player small{display:block;max-width:180px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.mini-player strong{font-size:12px}.mini-player small{font-size:9px;color:var(--muted)}.mini-player button{background:none;border:0;color:white;padding:7px}.toast{position:fixed;z-index:200;left:50%;bottom:105px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#f8fbff;color:var(--navy);font-weight:750;font-size:13px;padding:12px 16px;border-radius:13px;box-shadow:var(--shadow);transition:.25s;max-width:90%;text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}.modal{position:fixed;inset:0;z-index:250;background:rgba(0,0,0,.7);display:grid;place-items:center;padding:20px}.modal-card{width:min(390px,100%);padding:23px;border-radius:22px;background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow)}.modal-card h3{margin-top:0}.modal-card p{color:var(--muted)}.modal-card>div{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}@media(max-width:460px){.mode-grid{grid-template-columns:1fr}.mode-card{min-height:82px}.field-grid{gap:10px}.music-feature-card{grid-template-columns:auto 1fr}.external-grid{grid-template-columns:1fr}.sticky-actions{grid-template-columns:1fr 1.35fr}.timer-display{letter-spacing:-5px}.runner-metrics strong{font-size:14px}}@media(min-width:761px){.bottom-nav{border-left:1px solid var(--border);border-right:1px solid var(--border)}.topbar{border-left:1px solid var(--border);border-right:1px solid var(--border)}}

/* BeTrainer playlist library */
.cc0-badge{display:inline-flex;align-items:center;justify-content:center;min-width:45px;height:28px;padding:0 10px;border-radius:999px;background:rgba(57,232,124,.12);border:1px solid rgba(57,232,124,.3);color:var(--green);font-size:11px;font-weight:900;letter-spacing:1px}.playlist-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}.playlist-card{position:relative;min-height:112px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:11px;padding:14px;text-align:left;border-radius:18px;border:1px solid var(--border);background:var(--navy2);color:var(--white);overflow:hidden}.playlist-card:before{content:"";position:absolute;inset:auto -22px -35px auto;width:95px;height:95px;border-radius:50%;background:currentColor;opacity:.055}.playlist-card.active{border-color:rgba(57,232,124,.65);box-shadow:0 0 0 1px rgba(57,232,124,.17),0 12px 28px rgba(0,0,0,.18)}.playlist-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:rgba(255,255,255,.07);font-size:21px;font-weight:900}.playlist-copy{min-width:0}.playlist-copy strong,.playlist-copy small,.playlist-copy b{display:block}.playlist-copy strong{font-size:13px;line-height:1.15}.playlist-copy small{font-size:10px;color:var(--muted);line-height:1.3;margin-top:4px}.playlist-copy b{font-size:9px;color:currentColor;margin-top:7px;letter-spacing:.2px}.playlist-play{width:31px;height:31px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.09);font-size:11px}.accent-green{color:var(--green)}.accent-cyan{color:var(--cyan)}.accent-orange{color:var(--orange)}.accent-purple{color:var(--purple)}.playlist-card .playlist-copy strong{color:var(--white)}.playlist-card .playlist-play{color:var(--white)}.license-note{margin:13px 0 0;font-size:10px;color:var(--muted);text-align:center}.license-note a{color:var(--cyan);text-decoration:none}.playlist-library-card{background:linear-gradient(145deg,rgba(57,232,124,.06),rgba(0,212,255,.035)),var(--panel)}
@media(max-width:540px){.playlist-grid{grid-template-columns:1fr}.playlist-card{min-height:92px}}