.breath-lab{--breath-bg:#031826;--breath-panel:#07283b;--breath-panel-strong:#0a354b;--breath-cyan:#00bdd6;--breath-coral:#f24d3e;--breath-line:#285a70;--breath-muted:#b8cbd3;color:#f4fbfd;background:radial-gradient(circle at 75% 15%,#00bdd621,#0000 26%),linear-gradient(145deg,#031826,#061d2f 58%,#082d40);min-height:100vh}.breath-lab-header{background:#031826e6;border-bottom:1px solid #174054;justify-content:space-between;align-items:center;min-height:76px;padding:0 clamp(22px,5vw,68px);display:flex}.breath-lab-brand{color:var(--breath-cyan);letter-spacing:1px;font:900 24px Barlow Condensed,Arial,sans-serif}.breath-lab-back{border:1px solid var(--breath-line);border-radius:5px;padding:10px 14px;font-size:11px;font-weight:800}.breath-panel{width:min(820px,100% - 44px);margin:0 auto;padding:70px 0 88px}.breath-kicker{color:var(--breath-cyan);letter-spacing:1.2px;margin:0 0 12px;font-size:12px;font-weight:900}.breath-panel h1{letter-spacing:.4px;margin:0;font:900 clamp(42px,7vw,76px)/.94 Barlow Condensed,Arial,sans-serif}.breath-panel h1 span{color:var(--breath-cyan)}.breath-lead{color:#d2e1e5;max-width:680px;margin:22px 0 30px;font-size:18px;line-height:1.55}.breath-warning{border:1px solid #f24d3eb8;border-left:4px solid var(--breath-coral);background:#f24d3e14;border-radius:8px;margin:28px 0;padding:22px}.breath-warning strong{color:#ff8176;letter-spacing:.8px;font-size:13px}.breath-warning p{color:#e5edef;margin:9px 0 0;line-height:1.55}.breath-checklist{gap:11px;margin:26px 0 30px;display:grid}.breath-checklist label{border:1px solid var(--breath-line);cursor:pointer;background:#07283bb8;border-radius:7px;align-items:center;gap:13px;min-height:54px;padding:13px 16px;display:flex}.breath-checklist input{width:20px;height:20px;accent-color:var(--breath-cyan)}.breath-primary{background:var(--breath-coral);color:#fff;letter-spacing:.6px;cursor:pointer;border:0;border-radius:6px;width:100%;min-height:54px;font:900 14px Barlow,Arial,sans-serif}.breath-primary:disabled{opacity:.38;cursor:not-allowed}.breath-disclaimer{color:#88a4af;margin:18px 0 0;font-size:12px;line-height:1.5}.breath-field{margin-top:32px}.breath-field>span,.breath-field>label{color:#9ec2cd;letter-spacing:.8px;margin-bottom:11px;font-size:12px;font-weight:900;display:block}.breath-levels{grid-template-columns:1fr 1fr;gap:12px;display:grid}.breath-levels button{border:1px solid var(--breath-line);background:var(--breath-panel);color:#f4fbfd;text-align:left;cursor:pointer;border-radius:8px;min-height:94px;padding:18px}.breath-levels button.active{border-color:var(--breath-cyan);background:linear-gradient(145deg,var(--breath-panel-strong),#061d2f);box-shadow:0 0 0 1px #00bdd62e}.breath-levels strong,.breath-levels small{display:block}.breath-levels strong{font-size:16px}.breath-levels small{color:var(--breath-muted);margin-top:8px}.breath-number{border:1px solid var(--breath-line);background:var(--breath-panel);border-radius:8px;align-items:center;display:flex;overflow:hidden}.breath-number input{color:#fff;background:0 0;border:0;outline:0;width:100%;min-height:72px;padding:0 20px;font:800 34px Barlow,Arial,sans-serif}.breath-number span{color:var(--breath-cyan);padding:0 22px;font-size:12px;font-weight:900}.breath-field>small{color:#88a4af;margin-top:9px;line-height:1.45;display:block}.breath-summary{grid-template-columns:repeat(3,1fr);gap:10px;margin:28px 0;display:grid}.breath-summary article{border:1px solid var(--breath-line);background:#07283bcc;border-radius:7px;padding:18px}.breath-summary span,.breath-summary strong{display:block}.breath-summary span{color:#8fb0bb;font-size:10px;font-weight:900}.breath-summary strong{color:var(--breath-cyan);margin-top:8px;font-size:22px}.breath-training{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:calc(100vh - 76px);display:flex}.breath-training h2{margin:24px 0 8px;font:900 clamp(28px,5vw,46px) Barlow Condensed,Arial,sans-serif}.breath-orb{border:1px solid var(--breath-cyan);background:radial-gradient(circle,#0b526a,#07283b 65%,#031826);border-radius:50%;place-items:center;width:190px;height:190px;display:grid;box-shadow:0 0 48px #00bdd633}.breath-orb span{color:#fff;text-align:center;text-shadow:0 2px 7px #0000008c;background:radial-gradient(circle at 34% 31%,#50e7f3,#008ba5 54%,#063247);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:118px;height:118px;animation:4s ease-in-out infinite breathPulse;display:flex}.breath-orb span b{letter-spacing:1.2px;font:900 23px/.85 Barlow Condensed,Arial,sans-serif;display:block}.breath-orb span small{letter-spacing:2px;margin-top:5px;font:800 11px/1 Barlow,Arial,sans-serif;display:block}.phase-hold .breath-orb span{animation:none;transform:scale(.8)}.phase-recover .breath-orb span{animation-duration:5s}@keyframes breathPulse{0%,to{opacity:.72;transform:scale(.72)}50%{opacity:1;transform:scale(1)}}.breath-timer{letter-spacing:2px;font:900 clamp(72px,13vw,128px)/1 Barlow Condensed,Arial,sans-serif}.breath-instruction{max-width:590px;min-height:48px;color:var(--breath-muted);margin:17px auto 25px;line-height:1.5}.breath-controls{gap:12px;display:flex}.breath-controls button,.breath-rating button{border:1px solid var(--breath-cyan);color:#fff;cursor:pointer;background:0 0;border-radius:5px;min-height:48px;padding:0 20px;font-weight:900}.breath-controls .danger{border-color:var(--breath-coral);color:#ff8176}.breath-rating{grid-template-columns:repeat(3,1fr);gap:10px;margin:30px 0;display:grid}.breath-rating button:hover{background:#0a354b}@media (max-width:760px){.breath-panel{padding-top:48px;padding-bottom:60px}.breath-panel h1{font-size:44px}.breath-lead{font-size:16px}.breath-levels,.breath-summary,.breath-rating{grid-template-columns:1fr}.breath-training{padding-top:35px}.breath-orb{width:150px;height:150px}.breath-orb span{width:94px;height:94px}.breath-controls{flex-direction:column;width:100%}.breath-controls button{width:100%}}.breath-history{border:1px solid var(--breath-line);border-left:3px solid var(--breath-cyan);background:#07283bb8;border-radius:7px;gap:5px;margin:28px 0 0;padding:17px 19px;display:grid}.breath-history span{color:#8fb0bb;letter-spacing:.8px;font-size:10px;font-weight:900}.breath-history strong{color:#f4fbfd;font-size:17px}.breath-history small{color:var(--breath-muted);font-size:13px}.breath-rating button.active{border-color:var(--breath-cyan);background:var(--breath-cyan);color:#031826}.breath-rating button:disabled{cursor:default;opacity:.55}.breath-rating button.active:disabled{opacity:1}.breath-saved{color:#71e4d0;text-align:center;margin:-14px 0 24px;font-size:13px;font-weight:700}.breath-history-section{border-top:1px solid var(--breath-line);margin-top:52px;padding-top:34px}.breath-history-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:18px;display:flex}.breath-history-heading .breath-kicker{margin-bottom:6px}.breath-history-heading h2{margin:0;font:900 31px/1 Barlow Condensed,Arial,sans-serif}.breath-clear-history{color:#ff8176;cursor:pointer;background:0 0;border:1px solid #f24d3ebf;border-radius:5px;min-height:39px;padding:0 13px;font-size:10px;font-weight:900}.breath-clear-history:hover{background:#f24d3e1a}.breath-history-list{gap:9px;display:grid}.breath-history-item{border:1px solid var(--breath-line);background:#07283bc2;border-radius:7px;grid-template-columns:1.25fr repeat(5,1fr);align-items:center;gap:13px;min-height:76px;padding:14px 16px;display:grid}.breath-history-item>div{min-width:0}.breath-history-item span,.breath-history-date small{color:#87a7b2;letter-spacing:.65px;margin-bottom:5px;font-size:9px;font-weight:900;display:block}.breath-history-item strong{color:#f4fbfd;overflow-wrap:anywhere;font-size:13px;display:block}.breath-history-date strong{color:var(--breath-cyan);font-size:14px}.breath-history-date small{letter-spacing:0;margin:4px 0 0;font-size:11px;font-weight:600}.history-rating{border-radius:999px;align-items:center;width:max-content;max-width:100%;min-height:25px;padding:0 8px;font-size:11px!important;display:inline-flex!important}.rating-easy{background:#5eddb424;color:#71e4d0!important}.rating-good{background:#00bdd624;color:#42ddec!important}.rating-hard{background:#f24d3e24;color:#ff8176!important}.breath-history-note{color:#7f9ba6;margin:12px 0 0;font-size:11px;line-height:1.45}@media (max-width:900px){.breath-history-item{grid-template-columns:repeat(3,1fr)}}@media (max-width:600px){.breath-history-heading{flex-direction:column;align-items:flex-start}.breath-history-item{grid-template-columns:repeat(2,1fr);gap:16px 12px}.breath-clear-history{align-self:flex-end}}.breath-recommendation{border:1px solid var(--breath-line);border-left:4px solid var(--breath-cyan);background:linear-gradient(115deg,#083044f2,#061d2feb);border-radius:8px;justify-content:space-between;align-items:center;gap:22px;margin:13px 0 0;padding:19px;display:flex}.breath-recommendation>div{min-width:0}.breath-recommendation span,.breath-recommendation strong,.breath-recommendation small{display:block}.breath-recommendation span{color:#8fb0bb;letter-spacing:.85px;margin-bottom:6px;font-size:9px;font-weight:900}.breath-recommendation strong{color:#f4fbfd;font:900 19px/1.1 Barlow Condensed,Arial,sans-serif}.breath-recommendation p{max-width:560px;color:var(--breath-muted);margin:8px 0;font-size:13px;line-height:1.45}.breath-recommendation small{color:#9ebac4;font-size:12px}.breath-recommendation small b{color:var(--breath-cyan)}.breath-recommendation button{border:1px solid var(--breath-cyan);color:#f4fbfd;cursor:pointer;background:0 0;border-radius:5px;flex:none;min-height:42px;padding:0 14px;font-size:10px;font-weight:900}.breath-recommendation button:hover{background:#00bdd61f}.recommendation-easy{border-left-color:#5eddb4}.recommendation-easy small b{color:#71e4d0}.recommendation-hard{border-left-color:#f24d3e}.recommendation-hard small b{color:#ff8176}@media (max-width:600px){.breath-recommendation{flex-direction:column;align-items:flex-start}.breath-recommendation button{width:100%}}