*{margin:0;padding:0;box-sizing:border-box}:root{--bg-0: #051019;--bg-1: #0a1f2c;--bg-2: #0e2c3d;--surface: rgba(255, 255, 255, .045);--surface-hover: rgba(255, 255, 255, .075);--border: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .2);--accent: #2dd4bf;--accent-strong: #0d9488;--accent-2: #38bdf8;--accent-soft: rgba(45, 212, 191, .16);--warm: #fb923c;--warm-soft: rgba(251, 146, 60, .16);--text: #eef8f8;--text-muted: #93a9b0;--text-faint: #5f767d;--radius-s: 10px;--radius-m: 16px;--radius-l: 22px;--shadow-card: 0 12px 32px rgba(0, 0, 0, .35);--shadow-glow: 0 0 32px rgba(45, 212, 191, .28);color-scheme:dark}html{background-color:var(--bg-0)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:radial-gradient(120% 90% at 50% -10%,var(--bg-2) 0%,var(--bg-1) 45%,var(--bg-0) 100%) fixed;color:var(--text);min-height:100vh;display:flex;justify-content:center;align-items:center;-webkit-tap-highlight-color:transparent}#root{width:100%;max-width:480px;padding:24px 20px;height:100vh;display:flex;flex-direction:column;animation:screen-in .35s ease both}@keyframes screen-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: reduce){#root{animation:none}}h1,h2{text-align:center;margin-bottom:20px;letter-spacing:-.01em}h1{font-size:1.7rem;font-weight:700;margin-bottom:4px}h2{font-size:1.3rem;font-weight:600}.app-header{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:24px}.app-header-icon{width:46px;height:46px;color:var(--accent);filter:drop-shadow(0 0 14px var(--accent-soft))}.app-header-title{font-size:1.6rem;font-weight:700;letter-spacing:-.01em}.app-header-subtitle{font-size:.9rem;color:var(--text-muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:18px 20px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow-card)}.card+.card{margin-top:14px}.card-label{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:14px}.config-screen,.history-screen{width:100%;overflow-y:auto;padding-bottom:8px}.form-group{margin-bottom:18px}.form-group:last-child{margin-bottom:0}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-muted);font-size:.92rem}.form-group input[type=number],.form-group select{width:100%;padding:12px 14px;background-color:#ffffff0a;border:1px solid var(--border);border-radius:var(--radius-s);color:var(--text);font-size:1rem;transition:border-color .15s,box-shadow .15s}.form-group input[type=number]:focus,.form-group select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.form-group select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%2393a9b0' stroke-width='2'%3E%3Cpath d='M5 7l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px}.form-group input[type=checkbox]{margin-right:10px;width:20px;height:20px;cursor:pointer;accent-color:var(--accent)}.form-hint{color:var(--text-faint);display:block;margin-top:6px;font-size:.8rem}.segmented{display:flex;gap:4px;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-m);padding:4px}.segmented-option{flex:1;text-align:center;padding:12px 10px;border-radius:calc(var(--radius-m) - 5px);cursor:pointer;color:var(--text-muted);font-weight:600;font-size:.85rem;line-height:1.3;border:none;background:transparent;transition:background .2s,color .2s,box-shadow .2s}.segmented-option .segmented-option-title{display:block;font-size:.92rem;margin-bottom:2px}.segmented-option .segmented-option-desc{display:block;font-weight:400;font-size:.74rem;opacity:.85}.segmented-option.active{background:linear-gradient(135deg,var(--accent-strong),var(--accent-2));color:#04222a;box-shadow:0 6px 18px #2dd4bf4d}.btn-primary,.btn-secondary{width:100%;padding:16px;font-size:1.05rem;font-weight:600;border:none;border-radius:var(--radius-m);cursor:pointer;margin-bottom:12px;min-height:44px;transition:transform .15s,opacity .2s,box-shadow .2s,background-color .2s}.btn-primary{background:linear-gradient(135deg,var(--accent-strong),var(--accent-2));color:#04222a;box-shadow:0 10px 26px #2dd4bf38}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 30px #2dd4bf52}.btn-primary:active{transform:translateY(0);opacity:.9}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border-strong)}.btn-secondary:hover{background-color:var(--surface-hover)}.btn-disabled{opacity:.5;cursor:not-allowed}.breathing-view,.breathing-view-full,.breath-in-view,.hold-view,.recovery-view,.round-summary,.session-complete{text-align:center;width:100%}.breath-in-view{display:flex;flex-direction:column;align-items:center;justify-content:center;height:calc(100vh - 48px);min-height:0;animation:sub-screen-in .3s ease both}@keyframes sub-screen-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion: reduce){.breathing-view-full,.breath-in-view,.training-view{animation:none}}.breath-in-progress,.progress-bar-container,.progress-bar{display:none}.breathing-view-full{display:flex;align-items:center;justify-content:center;height:calc(100vh - 48px);min-height:0;animation:sub-screen-in .3s ease both}.breathing-indicator-full{width:100%}.breath-screen-label,.breath-screen-footer{min-height:76px;display:flex;align-items:center;justify-content:center}.breath-screen-label .pacing-indicator-large,.breath-screen-label h2,.breath-screen-footer .breath-count{margin:0}.training-view{display:flex;flex-direction:column;flex:1;width:100%;min-height:0;animation:sub-screen-in .3s ease both}.training-top,.training-bottom{flex:1;display:flex;align-items:center;justify-content:center;min-height:50%}.breathing-indicator{text-align:center;width:100%}.pacing-indicator-large{font-size:2.6rem;font-weight:700;color:var(--accent);margin-bottom:20px;letter-spacing:-.02em}.breathing-animation-container{display:flex;flex-direction:column;align-items:center;gap:30px;margin-bottom:40px}.breathing-orb-container{position:relative;width:220px;height:220px;margin:40px auto;display:flex;align-items:center;justify-content:center}.breathing-orb-halo{position:absolute;width:100%;height:100%;border-radius:50%;background:radial-gradient(circle,#2dd4bf47,#2dd4bf00 70%);animation:halo-pulse 4s ease-in-out infinite}@keyframes halo-pulse{0%,to{transform:scale(.9);opacity:.6}50%{transform:scale(1.05);opacity:1}}@media (prefers-reduced-motion: reduce){.breathing-orb-halo{animation:none}}.breathing-orb{position:relative;width:140px;height:140px;background:radial-gradient(circle at 35% 30%,#ffffff59,#2dd4bf8c 45%,#2dd4bf26);border:2px solid rgba(45,212,191,.8);box-shadow:0 0 40px #2dd4bf80,inset 0 0 30px #ffffff26;will-change:transform;animation:blob-morph 9s ease-in-out infinite}@keyframes blob-morph{0%,to{border-radius:42% 58% 65% 35%/45% 45% 55% 55%}25%{border-radius:58% 42% 35% 65%/55% 65% 35% 45%}50%{border-radius:50% 50% 40% 60%/60% 40%}75%{border-radius:40% 60% 55% 45%/40% 55% 45% 60%}}@media (prefers-reduced-motion: reduce){.breathing-orb{animation:none;border-radius:50%}}.contraction-placeholder{text-align:center;width:100%;padding:20px}.placeholder-text{font-size:1.5rem;color:var(--text-faint)}.hold-area{text-align:center;width:100%;padding:20px}.hold-message{text-align:center;width:100%}.hold-message-text{font-size:1.15rem;color:var(--text-muted);margin-bottom:20px;font-weight:500}.contraction-complete-message{font-size:1.1rem;color:var(--text-faint);margin-bottom:30px;padding:20px}.contraction-info{width:100%;margin-bottom:20px}.previous-contraction-time{text-align:center;padding:20px}.previous-contraction-label{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:12px}.previous-contraction-value{font-size:2.5rem;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}.holds-list{margin-top:4px;display:flex;flex-direction:column;gap:8px}.hold-result-row{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);font-size:.9rem}.hold-result-round{font-weight:600;color:var(--text-muted)}.hold-result-times{display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-variant-numeric:tabular-nums}.btn-large{font-size:1.4rem;padding:24px;min-height:60px}.breath-count{font-size:2.2rem;font-weight:700;margin:40px 0;color:var(--text)}.pacing-indicator{font-size:1.5rem;margin:20px 0;color:var(--accent)}.timer-large{font-size:4rem;font-weight:700;margin:24px 0;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,var(--text) 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hold-buttons{display:flex;flex-direction:column;gap:12px;margin-top:40px}.recovery-countdown{font-size:3rem;font-weight:700;margin:40px 0;font-variant-numeric:tabular-nums;color:var(--accent)}.recovery-breaths{font-size:1.2rem;margin:20px 0;color:var(--text-muted)}.summary-stats{font-size:1.1rem;margin:24px 0;line-height:2;color:var(--text-muted)}.recovery-starting{margin-top:30px;color:var(--text-faint)}.session-actions{display:flex;flex-direction:column;gap:12px;margin-top:30px}.exit-session-btn{position:fixed;top:16px;left:16px;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);font-size:1.3rem;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.exit-session-btn:hover{background:var(--surface-hover);color:var(--text)}.exit-confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.exit-confirm-card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-l);padding:24px;max-width:320px;width:100%;text-align:center;box-shadow:var(--shadow-card)}.exit-confirm-title{margin:0;font-weight:600;font-size:1.05rem}.exit-confirm-detail{color:var(--text-muted);font-size:.9rem;margin:10px 0 20px}.exit-confirm-actions{display:flex;gap:12px}.exit-confirm-actions button{flex:1;margin-bottom:0}.sessions-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}.history-empty{text-align:center;color:var(--text-muted);padding:48px 20px}.session-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);overflow:hidden;transition:background-color .15s,border-color .15s}.session-item:hover{border-color:var(--border-strong)}.session-header{padding:16px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;flex-wrap:wrap;gap:12px}.session-info{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.session-date{font-weight:600}.session-phase{font-size:.78rem;font-weight:700;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:4px 10px}.session-rounds{font-size:.85rem;color:var(--text-muted)}.session-avg{color:var(--accent);font-size:.85rem;font-weight:600}.session-toggle{font-size:1rem;color:var(--text-faint)}.session-details{padding:4px 16px 16px;background-color:#00000026;border-top:1px solid var(--border)}.round-detail{margin-bottom:16px;padding:14px 0 16px;border-bottom:1px solid var(--border)}.round-detail:last-child{border-bottom:none;margin-bottom:0;padding-bottom:14px}.round-detail h3{margin-bottom:10px;font-size:1rem;color:var(--text-muted);font-weight:600}.round-stats{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--text-muted)}@media (max-width: 480px){#root{padding:16px 14px}h1{font-size:1.4rem}.timer-large{font-size:3rem}.breath-count{font-size:1.8rem}.recovery-countdown{font-size:2.5rem}.training-view{height:calc(100vh - 28px)}.pacing-indicator-large{font-size:2.2rem}}