:root{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;color:#f2f7f7;background:#081113;font-synthesis:none}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;background:#081113}body{overscroll-behavior-y:none;-webkit-tap-highlight-color:transparent}button,input,textarea,select{font:inherit}.app-shell{max-width:430px;margin:0 auto;min-height:100vh;padding:calc(env(safe-area-inset-top) + 14px) 16px calc(105px + env(safe-area-inset-bottom))}main{display:flex;flex-direction:column;gap:20px}header small,.section-title,.card small{color:#789197;letter-spacing:.09em;text-transform:uppercase}header h1{font-size:27px;margin:4px 0 2px}header p,.card p,.hero p,.disclaimer{color:#8ea2a7;line-height:1.45;margin:5px 0}.hero,.card{background:#0e1b1f;border:1px solid #1b343a;border-radius:24px;padding:18px;box-shadow:0 15px 35px rgba(0,0,0,.18)}.hero{background:linear-gradient(145deg,#0c2528,#0e1920 72%)}.hero.mini{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}.hero.ready{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center}.hero.ready ul{grid-column:1/-1}.eyebrow{color:#42e3c2;font-weight:700}.primary{border:0;background:linear-gradient(135deg,#42e3c2,#4dbcf0);color:#061416;font-weight:800;border-radius:17px;min-height:52px;padding:0 18px;display:flex;align-items:center;justify-content:center;gap:8px}.hero .primary{width:100%;margin-top:16px}.primary.big{min-height:62px;font-size:18px;border-radius:23px;width:100%}.primary:disabled{opacity:.4}.link{border:0;background:none;color:#42e3c2;padding:4px 0}.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat{border-radius:20px;display:flex;flex-direction:column;gap:5px}.stat b{font-size:23px}.stat span{color:#789197;font-size:12px}.section-title{font-size:12px;margin:0 0 8px}.row{display:flex;align-items:flex-start;gap:12px}.between{justify-content:space-between;align-items:center}.warn{color:#f1b348;flex:0 0 auto}.disclaimer{font-size:11px}.readiness{width:118px;height:118px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#42e3c2 var(--p),#173237 0);position:relative}.readiness:after{content:"";position:absolute;inset:10px;border-radius:50%;background:#0d1b1f}.readiness>div{z-index:1;text-align:center;display:flex;flex-direction:column}.readiness b{font-size:31px}.readiness small{font-size:9px;color:#8ea2a7}.question{display:flex;flex-direction:column;gap:14px}.question h3{margin:0}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips.grid{display:grid;grid-template-columns:repeat(3,1fr)}.chips button,.two button,.scale button,.timer button{border:1px solid #244047;background:#122329;color:#dce9e9;border-radius:14px;min-height:44px;padding:8px}.selected{background:linear-gradient(135deg,#42e3c2,#4dbcf0)!important;color:#061416!important;border-color:transparent!important;font-weight:800}.scale{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.two button{display:flex;align-items:center;justify-content:center;gap:7px}.danger{border-color:#63363a!important;color:#ff9397!important;background:#21191a!important}.icon{width:44px;height:44px;border-radius:14px;border:1px solid #244047;background:#122329;color:#dce9e9;font-size:26px}.progress{height:6px;background:#173036;border-radius:20px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,#42e3c2,#4dbcf0)}.timer{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.timer b{font-size:74px;color:#42e3c2}.workout-card h1{font-size:30px}.workout-card h2{color:#42e3c2}.list{display:flex;flex-direction:column;gap:10px}.list .card{border-radius:19px;padding:15px}.list strong{color:#42e3c2;white-space:nowrap}.list p{font-size:13px}.graph{height:220px;padding:10px}.graph svg{width:100%;height:100%}.empty{text-align:center;color:#789197}.inputs label,.form-grid label,.question>label{color:#8ea2a7;font-size:12px;display:flex;flex-direction:column;gap:6px}input,textarea,select{width:100%;background:#122329;border:1px solid #244047;color:#f2f7f7;border-radius:12px;padding:12px;outline:none}input:focus,textarea:focus,select:focus{border-color:#42e3c2}textarea{min-height:90px;resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.action{width:100%;color:#dce9e9;display:flex;align-items:center;gap:10px;text-align:left}.bottom-nav{position:fixed;left:0;right:0;bottom:0;background:rgba(10,25,29,.94);backdrop-filter:blur(18px);border-top:1px solid #1b343a;padding:7px max(8px,env(safe-area-inset-right)) max(7px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));display:grid;grid-template-columns:repeat(4,1fr);z-index:20}.bottom-nav button{background:none;border:0;color:#789197;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px}.bottom-nav button.active{color:#42e3c2}.bottom-nav svg{width:22px;height:22px}.hidden{display:none!important}@media(min-width:700px){.bottom-nav{left:50%;transform:translateX(-50%);max-width:430px;border:1px solid #1b343a;border-bottom:0;border-radius:20px 20px 0 0}}
.sync-status{display:inline-flex;width:max-content;margin-top:7px;padding:5px 9px;border-radius:999px;background:#102b25;color:#61d8bd;font-size:11px;border:1px solid #1d4a3f}.sync-status.saving{background:#2c2917;color:#e8c66a;border-color:#554d25}.sync-status.error{background:#311b1e;color:#ff969a;border-color:#623137}.loading{padding-top:calc(env(safe-area-inset-top) + 45px)}
.bottom-nav{grid-template-columns:repeat(5,1fr)}
.ai-quick{display:grid;grid-template-columns:1fr;gap:8px;margin-top:14px}.ai-quick button{border:1px solid #244047;background:#122329;color:#dce9e9;border-radius:14px;padding:11px;text-align:left}.ai-chat{display:flex;flex-direction:column;gap:10px}.ai-message{max-width:92%;padding:13px 15px;border-radius:18px;border:1px solid #1b343a}.ai-message small{display:block;margin-bottom:5px}.ai-message p{margin:0;line-height:1.48}.ai-message.assistant{align-self:flex-start;background:#0e1b1f}.ai-message.user{align-self:flex-end;background:#12332f;border-color:#205a50}.ai-compose{position:sticky;bottom:calc(70px + env(safe-area-inset-bottom));z-index:5}.ai-compose textarea{min-height:76px}.danger-box{border-color:#63363a}.danger-box b{color:#ff9397}

/* v4 in-app authentication */
.login-shell{min-height:100vh;position:relative;overflow:hidden;background:radial-gradient(circle at 50% -15%,#12363a 0,#081113 47%,#061012 100%);padding:calc(env(safe-area-inset-top) + 22px) 18px calc(env(safe-area-inset-bottom) + 24px);display:flex;align-items:center;justify-content:center}.login-main{position:relative;z-index:2;width:min(100%,430px);gap:22px}.login-brand{text-align:center;padding:0 18px}.login-brand h1{font-size:34px;margin:8px 0 6px;letter-spacing:-.04em}.login-brand p{max-width:330px;margin:0 auto;color:#8ea2a7}.login-logo{width:88px;height:88px;border-radius:27px;margin:0 auto 18px;display:grid;place-items:center;background:linear-gradient(145deg,#102b2d,#0b191e);border:1px solid #245158;box-shadow:0 20px 60px rgba(0,0,0,.35),0 0 40px rgba(66,227,194,.08)}.login-logo img{width:66px;height:66px}.login-card{background:rgba(14,27,31,.94);border:1px solid #1c373d;border-radius:28px;padding:22px;box-shadow:0 26px 70px rgba(0,0,0,.38);backdrop-filter:blur(24px);display:flex;flex-direction:column;gap:16px}.login-card small{color:#42e3c2;font-size:11px;letter-spacing:.12em}.login-card h2{font-size:25px;margin:5px 0 2px}.login-card p{color:#8ea2a7;line-height:1.45;margin:0}.login-card label{display:flex;flex-direction:column;gap:7px;color:#9bb0b4;font-size:13px}.login-card input{min-height:54px;border-radius:16px;padding:0 15px;background:#0b171b;border-color:#244047;font-size:16px}.password-field{position:relative}.password-field input{padding-right:86px}.password-toggle{position:absolute;right:8px;top:8px;height:38px;padding:0 10px;border:0;border-radius:11px;background:#173036;color:#7ee9d4;font-size:12px}.login-button{margin-top:2px}.login-note{text-align:center!important;font-size:11px!important}.login-error{border:1px solid #63363a;background:#25191b;color:#ff9fa3;padding:11px 13px;border-radius:14px;font-size:13px;line-height:1.35}.login-orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.25;pointer-events:none}.login-orb-a{width:220px;height:220px;top:-100px;right:-100px;background:#42e3c2}.login-orb-b{width:180px;height:180px;bottom:-90px;left:-90px;background:#4dbcf0}@media(max-height:700px){.login-shell{align-items:flex-start}.login-logo{width:68px;height:68px;margin-bottom:10px}.login-logo img{width:50px;height:50px}.login-brand h1{font-size:28px}.login-main{gap:14px}.login-card{padding:18px}}

/* v4.2 exercise countdown timer */
.exercise-start-card,.exercise-timer-card{background:linear-gradient(145deg,#0c2528,#0d1b20 72%);border:1px solid #1f4449;border-radius:26px;padding:22px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}.start-clock{width:76px;height:76px;border-radius:24px;display:grid;place-items:center;background:#10282d;border:1px solid #245158;font-size:36px}.exercise-start-card h2{font-size:52px;line-height:1;margin:2px 0;color:#42e3c2;font-variant-numeric:tabular-nums}.exercise-start-card p,.exercise-timer-card p{color:#8ea2a7;line-height:1.45;margin:0;max-width:320px}.exercise-start-card .primary{width:100%;margin-top:4px}.exercise-timer-label{font-size:11px;letter-spacing:.13em;color:#7fa0a6;font-weight:700}.exercise-countdown{font-size:78px;line-height:1;font-weight:850;letter-spacing:-.05em;color:#42e3c2;font-variant-numeric:tabular-nums}.exercise-timer-track{height:9px;width:100%;max-width:330px;background:#173036;border-radius:999px;overflow:hidden}.exercise-timer-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#42e3c2,#4dbcf0);transition:width .22s linear}.exercise-timer-card.completed{border-color:#245d51;background:linear-gradient(145deg,#103229,#0d1c20 75%)}.timer-check{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:#42e3c2;color:#061416;font-weight:900;font-size:38px;box-shadow:0 0 0 8px rgba(66,227,194,.08)}@media(max-width:360px){.exercise-countdown{font-size:64px}.exercise-start-card h2{font-size:44px}}
.sound-test-btn{width:100%;min-height:50px;border:1px solid #2b5960;background:#10272c;color:#b9fff1;border-radius:17px;font-weight:750}.sound-test-btn:active{transform:scale(.985)}.sound-hint{display:block;color:#789197;line-height:1.4;max-width:320px}.stop-alarm-card{border:2px solid #ff6d70!important;background:linear-gradient(145deg,#43171a,#17191d 76%)!important}.stop-word{font-size:54px;line-height:1;font-weight:950;letter-spacing:.04em;color:#ff777b;text-shadow:0 0 26px rgba(255,89,96,.3)}.stop-alarm-card .exercise-countdown{color:#ffb0b2}.stop-alarm-card strong{color:#fff}@keyframes stopPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,86,92,.05)}50%{box-shadow:0 0 0 12px rgba(255,86,92,.14)}}.stop-alarm-card{animation:stopPulse .55s ease-in-out infinite}@media(prefers-reduced-motion:reduce){.stop-alarm-card{animation:none}}

.sound-test-btn{font-weight:800}.exercise-timer-card p{line-height:1.45}

.rest-music{background:linear-gradient(160deg,#10272a,#151a20 75%);border:1px solid #28535a}
.rest-music span{font-size:42px}
.rest-music small{display:block;color:#7fa1a3;margin:4px 0 14px}