:root{--bg:#f4f8f7;--surface:#fff;--surface-soft:#e9f4f0;--ink:#173a34;--muted:#617872;--line:#d7e5e1;--primary:#176f61;--primary-dark:#0e594d;--mint:#cce7df;--coral:#e9705a;--coral-soft:#fde7e1;--amber:#c87922;--amber-soft:#f9ecd9;--blue:#447fb0;--blue-soft:#e5eff8;--danger:#b83e3e;--shadow:0 12px 36px rgba(27,65,57,.09);--r-lg:24px;--r-md:17px;--safe-bottom:env(safe-area-inset-bottom,0px);font-family:ui-rounded,"SF Pro Rounded","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color-scheme:light}
*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.5;-webkit-tap-highlight-color:transparent}button,input,textarea{font:inherit}button{color:inherit}.skip-link{position:fixed;top:-60px;left:12px;z-index:100;background:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}.app-shell{width:min(100%,760px);min-height:100dvh;margin:0 auto;background:linear-gradient(180deg,#f8fbfa 0,#f4f8f7 42%);padding-bottom:calc(84px + var(--safe-bottom))}.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(18px + env(safe-area-inset-top,0px)) 20px 12px}.topbar h1,.page-heading h2{margin:1px 0 0;font-size:clamp(22px,6vw,29px);letter-spacing:-.04em}.eyebrow{margin:0;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.12em}.icon-button,.day-shift{display:grid;place-items:center;width:48px;height:48px;padding:0;border:1px solid var(--line);border-radius:50%;background:rgba(255,255,255,.82);cursor:pointer}.icon-button svg,.day-shift svg,.bottom-nav svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.view{display:none;padding:0 16px 28px}.view.active{display:block}.day-strip{display:grid;grid-template-columns:48px 1fr 48px;gap:10px;align-items:center;padding:6px 0 18px;text-align:center}.day-strip h2{margin:0;font-size:20px}.day-strip p{margin:2px 0 0;color:var(--muted);font-size:13px}.quick-panel,.chart-card,.settings-card{background:var(--surface);border:1px solid rgba(215,229,225,.9);border-radius:var(--r-lg);box-shadow:var(--shadow)}.quick-panel{padding:18px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.section-heading>div{display:flex;align-items:center;gap:8px}.section-heading h3,.chart-card h3,.settings-card h3{margin:0;font-size:17px}.signal-dot{width:9px;height:9px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px var(--coral-soft)}.text-button{min-height:44px;border:0;background:transparent;color:var(--primary);font-size:13px;font-weight:750;cursor:pointer}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quick-card{display:flex;align-items:center;gap:11px;min-height:84px;padding:13px;border:0;border-radius:18px;text-align:left;cursor:pointer;transition:filter .18s ease,transform .18s ease}.quick-card:active{transform:scale(.975)}.quick-card strong,.quick-card small{display:block}.quick-card strong{font-size:16px}.quick-card small{margin-top:2px;color:var(--muted);font-size:11px}.quick-card.feed{background:var(--coral-soft)}.quick-card.diaper{background:var(--blue-soft)}.quick-card.supplement{background:var(--amber-soft)}.quick-card.more{background:var(--surface-soft)}.quick-icon{display:grid;place-items:center;flex:0 0 40px;width:40px;height:40px;border-radius:14px;background:rgba(255,255,255,.72)}.quick-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.timeline-section{padding:24px 2px 0}.count-badge{display:grid;place-items:center;min-width:23px;height:23px;padding:0 7px;border-radius:99px;background:var(--mint);font-size:12px;font-weight:800}.timeline{position:relative}.timeline::before{content:"";position:absolute;left:56px;top:12px;bottom:16px;width:1px;background:var(--line)}.timeline-item{position:relative;display:grid;grid-template-columns:47px 1fr;gap:20px;margin-bottom:12px}.timeline-time{padding-top:15px;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;text-align:right}.timeline-dot{position:absolute;left:52px;top:20px;width:9px;height:9px;border:2px solid var(--bg);border-radius:50%;background:var(--primary)}.entry-card{display:flex;justify-content:space-between;align-items:center;min-height:66px;padding:12px 13px 12px 16px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.entry-card strong{display:block;font-size:15px}.entry-card p{margin:2px 0 0;color:var(--muted);font-size:12px}.delete-entry{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--muted);cursor:pointer}.delete-entry svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8}.empty-state{padding:42px 24px;text-align:center;color:var(--muted)}.empty-state svg{width:42px;height:42px;fill:none;stroke:var(--mint);stroke-width:1.5}.empty-state strong{display:block;margin-top:8px;color:var(--ink)}.page-heading{padding:18px 4px 20px}.history-day{margin-bottom:12px;border:1px solid var(--line);border-radius:18px;background:var(--surface);overflow:hidden}.history-day button{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:70px;padding:13px 16px;border:0;background:transparent;text-align:left;cursor:pointer}.history-day strong,.history-day span{display:block}.history-day span{color:var(--muted);font-size:12px}.history-day .pill{padding:5px 9px;border-radius:99px;background:var(--surface-soft);color:var(--primary);font-size:12px;font-weight:750}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.stat-card span{color:var(--muted);font-size:12px}.stat-card strong{display:block;margin-top:5px;font-size:27px;letter-spacing:-.05em;font-variant-numeric:tabular-nums}.stat-card small{font-size:12px;font-weight:600;color:var(--muted)}.chart-card{margin-top:12px;padding:18px}.unit{font-size:12px;color:var(--muted)}.bar-chart{display:grid;grid-template-columns:repeat(7,1fr);align-items:end;gap:8px;height:180px;padding-top:18px}.bar-column{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:6px}.bar-value{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}.bar{width:min(30px,75%);min-height:3px;border-radius:7px 7px 3px 3px;background:linear-gradient(180deg,var(--coral),#ef9a88)}.bar-label{font-size:11px;color:var(--muted)}.growth-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px 0;border-bottom:1px solid var(--line)}.growth-row:last-child{border:0}.growth-row span{color:var(--muted);font-size:12px}.backup-status{display:flex;gap:14px;align-items:center;padding:18px;border-radius:20px;background:var(--primary);color:#fff;box-shadow:var(--shadow)}.backup-status svg{flex:0 0 30px;width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.7}.backup-status p{margin:2px 0 0;color:#d8ebe6;font-size:12px}.settings-card{margin-top:12px;padding:18px}.settings-card p{margin:5px 0 15px;color:var(--muted);font-size:13px}.button-stack{display:grid;gap:9px}.primary-button,.secondary-button,.file-button,.danger-button,.save-button{display:flex;align-items:center;justify-content:center;min-height:50px;padding:0 16px;border-radius:14px;font-weight:750;cursor:pointer}.primary-button,.save-button{border:0;background:var(--primary);color:#fff}.secondary-button,.file-button{border:1px solid var(--line);background:#fff;color:var(--primary)}.file-button{width:100%}.danger-zone{margin-top:28px}.danger-button{border:1px solid #efcaca;background:#fff;color:var(--danger);width:100%}.bottom-nav{position:fixed;z-index:20;left:50%;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);width:min(100%,760px);padding:8px 10px calc(7px + var(--safe-bottom));border-top:1px solid rgba(215,229,225,.9);background:rgba(255,255,255,.94);backdrop-filter:blur(16px);transform:translateX(-50%)}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:51px;border:0;border-radius:14px;background:transparent;color:var(--muted);font-size:11px;cursor:pointer}.nav-item.active{background:var(--surface-soft);color:var(--primary);font-weight:800}.nav-item svg{width:21px;height:21px}.entry-dialog{width:min(100% - 16px,560px);max-height:90dvh;margin:auto auto 0;padding:0;border:0;border-radius:28px 28px 0 0;background:var(--surface);color:var(--ink);box-shadow:0 -18px 60px rgba(18,53,45,.2)}.entry-dialog::backdrop{background:rgba(15,42,36,.48);backdrop-filter:blur(2px)}.entry-dialog form{max-height:90dvh;padding:9px 20px calc(22px + var(--safe-bottom));overflow:auto}.sheet-handle{width:42px;height:5px;margin:0 auto 12px;border-radius:9px;background:var(--line)}.dialog-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.dialog-header h2{margin:1px 0 0;font-size:24px}.choice-group{margin:0 0 16px;padding:0;border:0}.choice-group legend,.field>span{display:block;margin-bottom:8px;font-size:13px;font-weight:750}.choice-row{display:flex;flex-wrap:wrap;gap:8px}.choice{position:relative}.choice input{position:absolute;opacity:0;pointer-events:none}.choice span{display:flex;align-items:center;justify-content:center;min-height:46px;padding:0 15px;border:1px solid var(--line);border-radius:13px;background:#fff;cursor:pointer}.choice input:checked+span{border-color:var(--primary);background:var(--surface-soft);color:var(--primary);font-weight:800}.field{display:block;margin:0 0 16px}.field small{color:var(--muted);font-weight:500}.field input,.field textarea,.field select{width:100%;min-height:50px;padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:#fbfdfc;color:var(--ink);outline:0}.field textarea{min-height:84px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,111,97,.14)}.inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.save-button{position:sticky;bottom:0;width:100%;margin-top:5px;box-shadow:0 -8px 18px rgba(255,255,255,.92)}.toast{position:fixed;z-index:50;left:50%;bottom:calc(88px + var(--safe-bottom));max-width:calc(100% - 32px);padding:11px 16px;border-radius:99px;background:#173a34;color:#fff;font-size:13px;opacity:0;pointer-events:none;transform:translate(-50%,10px);transition:.2s ease}.toast.show{opacity:1;transform:translate(-50%,0)}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}:focus-visible{outline:3px solid rgba(23,111,97,.36);outline-offset:2px}
@media (min-width:680px){.view{padding-left:24px;padding-right:24px}.quick-grid{grid-template-columns:repeat(4,1fr)}.quick-card{display:block;min-height:112px}.quick-icon{margin-bottom:8px}.stats-grid{grid-template-columns:repeat(4,1fr)}.entry-dialog{margin:auto;border-radius:28px}.entry-dialog form{padding-bottom:24px}}
@media (orientation:landscape) and (max-height:560px){.entry-dialog{max-height:96dvh}.entry-dialog form{max-height:96dvh}.topbar{padding-top:12px}.quick-grid{grid-template-columns:repeat(4,1fr)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media (prefers-color-scheme:dark){:root{--bg:#10211e;--surface:#172d29;--surface-soft:#1f3b35;--ink:#f1f7f5;--muted:#aec2bc;--line:#2e4b44;--primary:#70c9b8;--primary-dark:#8bd9ca;--mint:#285149;--coral:#f28b76;--coral-soft:#492e2a;--amber:#e4a858;--amber-soft:#493a25;--blue:#7eb4dc;--blue-soft:#243d50;--danger:#ff9a9a;--shadow:0 12px 36px rgba(0,0,0,.2);color-scheme:dark}.app-shell{background:linear-gradient(180deg,#132824,#10211e 42%)}.icon-button,.day-shift,.entry-card,.stat-card,.settings-card,.chart-card,.quick-panel{background:var(--surface)}.choice span,.field input,.field textarea,.field select,.secondary-button,.file-button,.danger-button{background:#132824}.bottom-nav{background:rgba(23,45,41,.95)}.save-button{box-shadow:0 -8px 18px rgba(23,45,41,.9)}}