:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#f4f8ff;background:#071521;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 60% -20%,#11344d 0,#071521 42%)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a{color:#63d7e7}h1,h2,h3,p{margin-top:0}.shell{width:min(100%,1060px);margin:auto;padding:0 20px}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 0 18px;border-bottom:1px solid #26445a}.brand{display:flex;align-items:center;gap:12px}.brand img{width:52px;height:52px;border-radius:14px}.brand strong{font-size:25px;letter-spacing:-1px;display:block}.brand strong span{color:#a3ca25}.brand small{display:block;color:#91aabe;font-size:12px;margin-top:2px}.header-actions{display:flex;align-items:center;gap:9px}.pill{display:inline-flex;align-items:center;white-space:nowrap;border:1px solid #31536c;border-radius:999px;padding:6px 11px;color:#b7d0de;font-size:12px}.pill.online{color:#b9e979;border-color:#4f6f29}.pill.offline{color:#f6c774;border-color:#886227}.button{border:1px solid #55d6e8;background:#55d6e8;color:#061723;border-radius:13px;padding:12px 17px;font-weight:700;min-height:48px}.button.subtle{background:transparent;border-color:#31536c;color:#e6f2f7}.button.small{padding:8px 12px;min-height:42px;font-size:14px}.button.danger{border-color:#855262;color:#ffdce2;background:transparent}.button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #55d6e8;outline-offset:2px}.tabs{display:flex;gap:7px;overflow:auto;padding:18px 0 7px;scrollbar-width:thin}.tabs button{white-space:nowrap;border:1px solid #294c63;border-radius:12px;padding:11px 17px;background:#0a2031;color:#aabfd0;min-height:48px;font-weight:700}.tabs button.active{background:#173b55;color:white;border-color:#4b98af}.intro{padding:21px 0 6px}.intro h1{font-size:clamp(28px,4vw,37px);margin-bottom:7px;letter-spacing:-.03em}.intro p{color:#b3c6d1}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:14px}.card{background:#0c2436;border:1px solid #28506b;border-radius:22px;padding:20px;margin:14px 0}.card h2{font-size:20px}.card h3{font-size:17px}.muted{color:#9bb4c4}.small{font-size:13px}.notice{border:1px solid #357b8c;background:#0d2c3a;border-radius:15px;padding:13px 15px;margin:13px 0;color:#c4e7ee}.notice.warning{border-color:#8f6732;background:#302619;color:#f9dba9}.notice.error{border-color:#a34b59;background:#341c28;color:#ffcbd2}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.stack{display:flex;flex-direction:column;gap:10px}.actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.field{display:block;margin:12px 0}.field>span{display:block;font-weight:600;margin-bottom:7px}.field input,.field select,.field textarea,select,input[type=email],input[type=password],input[type=text],textarea{display:block;width:100%;border:1px solid #31536c;border-radius:11px;background:#071b2b;color:#f6fbff;padding:11px 12px;min-height:48px}.field textarea,textarea{min-height:94px;resize:vertical}.field input[type=checkbox],.exercise input[type=checkbox]{display:inline-block;width:22px;height:22px;min-height:22px;accent-color:#55d6e8}.check{display:flex;align-items:center;gap:9px;padding:6px 0}.check input{flex:none}.exercise{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:12px;border-top:1px solid #23445a;padding:13px 0}.exercise b{display:block}.exercise small{color:#9db2c1}.exercise select{margin-top:7px;max-width:320px}.list-row{border-top:1px solid #25455a;padding:14px 0}.list-row:first-child{border-top:0}.list-row p{margin:7px 0;color:#c3d2db}.tag{display:inline-block;border:1px solid #31536c;color:#b5cbd7;border-radius:999px;padding:3px 8px;font-size:12px;margin-right:6px}.kpi{font-size:28px;font-weight:800}.auth{max-width:500px;margin:35px auto}.auth h1{font-size:33px}.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.timer{font-size:40px;font-weight:800;letter-spacing:.02em}.rating{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.rating label{border:1px solid #31536c;border-radius:9px;padding:8px;cursor:pointer}.rating input{accent-color:#55d6e8}#toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#143b51;border:1px solid #58cfdf;color:white;border-radius:12px;padding:10px 15px;box-shadow:0 15px 45px #0008;display:none;z-index:10;max-width:90vw}#toast.show{display:block}dialog{max-width:min(90vw,620px);max-height:85vh;overflow:auto;border:1px solid #3e6b83;border-radius:22px;background:#0c2436;color:#f6fbff;padding:24px}dialog::backdrop{background:#000b}footer{color:#69879c;text-align:center;border-top:1px solid #26445a;padding:24px 0;margin-top:45px;font-size:12px}@media(max-width:600px){.shell{padding:0 14px}.header{padding:14px 0}.brand img{width:43px;height:43px}.brand strong{font-size:20px}.header-actions{flex-direction:column;align-items:end}.card{padding:16px}.two{grid-template-columns:1fr}.row{align-items:start}.actions .button{flex:1}.tabs{margin-right:-14px}}

.text-button{display:inline-block;margin-top:14px;padding:8px 0;border:0;background:none;color:#79dfeb;text-decoration:underline;text-underline-offset:3px;min-height:44px}.text-button:focus-visible{outline:2px solid #55d6e8;outline-offset:2px}
.install-guide h2{margin-bottom:12px}.install-intro{line-height:1.5;margin-bottom:22px}.install-cta{margin-bottom:24px}.install-platforms{display:grid;gap:18px;margin-bottom:20px}.install-platform{border-top:1px solid #31536c;padding-top:17px}.install-platform h3{margin-bottom:8px}.install-platform p{line-height:1.5;margin-bottom:0}.install-reminder{line-height:1.5;margin-bottom:14px}.install-detail{line-height:1.55;margin-bottom:20px}.install-open{margin-top:0}

/* Shared field and card rhythm for the connected player and coach screens. */
:root{--content-gap:16px;--field-gap:8px}
.field-label{display:block;font-weight:600;margin-bottom:7px}.password-field{position:relative}.password-field input{display:block;width:100%;border:1px solid #31536c;border-radius:11px;background:#071b2b;color:#f6fbff;padding:11px 58px 11px 12px;min-height:48px}.password-toggle{position:absolute;top:2px;right:2px;width:44px;height:44px;display:grid;place-items:center;border:0;border-radius:9px;background:transparent;color:#c4dbe8}.password-toggle:hover{background:#18384c;color:#fff}.password-toggle:focus-visible{outline:2px solid #55d6e8;outline-offset:-2px}.password-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.password-eye-slash{display:none}.password-toggle[aria-pressed="true"] .password-eye-slash{display:block}
.card>.button{margin-top:var(--content-gap)}
.session-help{line-height:1.45;margin-top:var(--content-gap);margin-bottom:0}
.session-assessment{border-top:1px solid #31536c;padding:var(--content-gap) 0 5px}
.session-assessment h4{margin:0 0 12px;font-size:16px}
.session-assessment .field{margin:12px 0}
#finish-session-form>.button{margin-top:var(--content-gap)}
select,.field select{appearance:none;-webkit-appearance:none;padding-right:42px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23d9edf5' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
/* Exercise sheet viewer follows the approved 0.7.14 full-screen controls. */
.sheet-dialog{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;border-radius:0;background:#02070b;overflow:hidden}
.sheet-dialog[open]{display:flex;flex-direction:column}
.sheet-dialog:not([open]){display:none}
.sheet-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;background:#071521;border-bottom:1px solid #28506b}
.sheet-toolbar strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sheet-controls{display:flex;align-items:center;gap:7px;flex:none}
.sheet-controls button,.sheet-controls output{display:grid;place-items:center;min-width:42px;height:42px;padding:0 8px;border:1px solid #28506b;border-radius:11px;background:#102c45;color:#fff;font-weight:800;font-size:17px}
.sheet-controls output{font-size:13px;min-width:55px}
.sheet-controls button:disabled{opacity:.45}
.sheet-content{flex:1;min-height:0;overflow:auto;padding:16px;touch-action:pan-x pan-y pinch-zoom}
.sheet-content>.muted,.sheet-details{max-width:760px;margin-left:auto;margin-right:auto}
.sheet-variant-picker{display:block;max-width:760px;margin:8px auto 14px}
.sheet-variant-picker select{width:100%}
.sheet-image-wrap{overflow:auto;text-align:center;margin:12px auto 22px;max-width:100%;background:#02070b}
.sheet-image-wrap img{display:block;width:100%;max-width:none;height:auto;margin:0 auto;background:#fff;border-radius:10px}
@media(max-width:600px){.sheet-toolbar{padding:9px;gap:6px}.sheet-controls{gap:4px}.sheet-controls button{min-width:38px;height:40px}.sheet-controls output{min-width:49px;height:40px}.sheet-content{padding:10px}}
