:root{--bg: #0f1318;--bg2: #161b22;--bg3: #1c2128;--card: #1c2128;--card-hover: #222830;--border: #2d333b;--text: #e6edf3;--text2: #8b949e;--text3: #555d67;--gold: #C8A96E;--gold-dim: rgba(200,169,110,.15);--gold-glow: rgba(200,169,110,.3);--green: #8B9A6B;--green-dim: rgba(139,154,107,.15);--red: #a05050;--red-dim: rgba(160,80,80,.15);--radius: 16px;--radius-sm: 10px;--nav-h: 64px;--safe-bottom: env(safe-area-inset-bottom, 0px);--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font-family:var(--font)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.page{flex:1;padding:20px 20px calc(var(--nav-h) + var(--safe-bottom) + 16px);max-width:480px;margin:0 auto;width:100%}.page-header{text-align:center;padding:16px 0 24px}.page-title{font-family:var(--font-serif);font-size:28px;font-weight:400;color:var(--gold);letter-spacing:2px}.page-subtitle{font-size:14px;color:var(--text2);margin-top:6px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--bg2);border-top:1px solid var(--border);display:flex;justify-content:space-around;align-items:center;z-index:100;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text3);font-size:11px;transition:color .2s;padding:6px 16px}.nav-item.active{color:var(--gold)}.nav-icon{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:transform .2s,background .2s,box-shadow .2s;cursor:pointer}.card:active{transform:scale(.98);background:var(--card-hover)}.card+.card{margin-top:12px}.card-title{font-size:17px;font-weight:600;color:var(--text);margin-bottom:6px}.card-desc{font-size:13px;color:var(--text2);line-height:1.6}.card-meta{font-size:12px;color:var(--text3);margin-top:8px;display:flex;align-items:center;gap:6px}.card-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.card-row{display:flex;align-items:center;gap:14px}.card-body{flex:1;min-width:0}.breath-container{display:flex;justify-content:center;align-items:center;height:280px;position:relative}.breath-ring-outer{position:absolute;width:220px;height:220px;border-radius:50%;border:1px solid var(--border);opacity:.4}.breath-ring{width:180px;height:180px;border-radius:50%;border:2.5px solid var(--green);background:radial-gradient(circle at 40% 40%,rgba(139,154,107,.2),rgba(200,169,110,.05),transparent 70%);display:flex;flex-direction:column;justify-content:center;align-items:center;transition:transform 1s cubic-bezier(.4,0,.2,1);box-shadow:0 0 40px #8b9a6b1a,inset 0 0 30px #8b9a6b0d;position:relative;z-index:1}.breath-phase{font-family:var(--font-serif);font-size:36px;color:var(--gold);letter-spacing:4px}.breath-count{font-size:22px;color:var(--green);margin-top:4px;font-weight:300}.timer{text-align:center;font-size:20px;color:var(--text2);font-variant-numeric:tabular-nums;letter-spacing:2px;margin:8px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:28px;font-size:16px;font-weight:500;cursor:pointer;padding:14px 48px;transition:transform .15s,opacity .2s,box-shadow .2s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.96)}.btn-primary{background:linear-gradient(135deg,var(--green),#6b8a4b);color:#fff;box-shadow:0 4px 20px #8b9a6b4d}.btn-danger{background:linear-gradient(135deg,var(--red),#804040);color:#fff;box-shadow:0 4px 20px #a050504d}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-gold{background:linear-gradient(135deg,var(--gold),#a08040);color:#fff;box-shadow:0 4px 20px #c8a96e4d}.btn-sm{padding:10px 24px;font-size:14px;border-radius:20px}.btn-block{display:flex;width:100%}.sound-picker{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:8px 0}.sound-chip{padding:8px 18px;border-radius:24px;border:1.5px solid var(--border);background:transparent;color:var(--text2);font-size:13px;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}.sound-chip:active{transform:scale(.95)}.sound-chip.active{border-color:var(--gold);background:var(--gold-dim);color:var(--gold)}.stats-row{display:flex;gap:12px;margin:20px 0}.stat-card{flex:1;text-align:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 8px}.stat-num{font-size:28px;font-weight:600;color:var(--gold);font-variant-numeric:tabular-nums}.stat-label{font-size:12px;color:var(--text3);margin-top:4px}.record-item{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border)}.record-item:last-child{border-bottom:none}.record-name{font-size:15px;color:var(--text)}.record-dur{font-size:14px;color:var(--green);min-width:60px;text-align:right}.record-date{font-size:12px;color:var(--text3);min-width:80px;text-align:right}.input-group{margin-bottom:12px}.input{width:100%;padding:14px 16px;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:15px;outline:none;transition:border-color .2s}.input:focus{border-color:var(--gold)}.input::placeholder{color:var(--text3)}.form-actions{display:flex;gap:10px;margin-top:16px}.form-message{text-align:center;font-size:14px;margin-top:12px;color:var(--gold)}.form-error{color:var(--red)}.section{margin-top:28px}.section-title{font-size:15px;font-weight:600;color:var(--text2);margin-bottom:14px;display:flex;align-items:center;gap:8px}.profile-card{background:linear-gradient(135deg,var(--bg3),var(--card));border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}.profile-avatar{width:56px;height:56px;border-radius:50%;background:var(--gold-dim);border:2px solid var(--gold);display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 12px}.profile-name{font-size:18px;font-weight:600;color:var(--text)}.profile-email{font-size:13px;color:var(--text3);margin-top:4px}.download-banner{background:linear-gradient(135deg,#8b9a6b26,#c8a96e1a);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}.download-banner h3{font-size:16px;color:var(--text);margin-bottom:8px}.download-banner p{font-size:13px;color:var(--text2);margin-bottom:16px}.download-badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.slider-row{display:flex;align-items:center;gap:12px;padding:14px 0}.slider-label{font-size:14px;color:var(--text2);min-width:80px}.slider-val{font-size:14px;color:var(--gold);min-width:40px;text-align:right}input[type=range]{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:4px;background:var(--border);border-radius:2px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--gold);cursor:pointer;box-shadow:0 2px 8px #c8a96e66}.empty-state{text-align:center;padding:48px 20px;color:var(--text3)}.empty-icon{font-size:48px;margin-bottom:12px;opacity:.5}.empty-text{font-size:14px;line-height:1.6}.summary-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.summary-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;text-align:center;max-width:320px;width:100%}.summary-emoji{font-size:48px;margin-bottom:16px}.summary-title{font-family:var(--font-serif);font-size:22px;color:var(--gold);margin-bottom:8px}.summary-detail{font-size:14px;color:var(--text2);line-height:1.7;margin-bottom:20px}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:.4}50%{opacity:.7}}.fade-in{animation:fadeIn .4s ease both}.fade-in-1{animation-delay:.05s}.fade-in-2{animation-delay:.1s}.fade-in-3{animation-delay:.15s}.fade-in-4{animation-delay:.2s}::-webkit-scrollbar{width:0}@media(max-width:360px){.stats-row{gap:8px}.stat-card{padding:12px 4px}.stat-num{font-size:22px}}