/* ===== Reset & Variables ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
:root{
  --p:#4CAF9C;--p2:#3d9e8c;--p-light:#e8f5f2;--p-glow:rgba(76,175,156,.25);
  --warn:#ff8c69;--danger:#ff4d4f;--success:#52c41a;--gold:#f5a623;
  --bg:#f0f4f3;--surface:#fff;--surface2:#f8faf9;
  --t1:#1a1a2e;--t2:#4a5568;--t3:#a0aec0;
  --r:18px;--r-sm:10px;--r-lg:24px;
  --shadow:0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:0 8px 40px rgba(0,0,0,.12);
  --shadow-p:0 8px 24px rgba(76,175,156,.3);
}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','SF Pro Text',sans-serif;
  background:var(--bg);color:var(--t1);
  max-width:390px;margin:0 auto;min-height:100vh;
  padding-bottom:80px;overflow-x:hidden;
}

/* ===== Page Transition ===== */
body{animation:fadeIn .4s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:0;}

/* ===== Nav Bar ===== */
.nav{
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:14px 20px;font-size:17px;font-weight:700;
  text-align:center;position:sticky;top:0;z-index:200;
  border-bottom:1px solid rgba(0,0,0,.06);
  letter-spacing:.5px;
}
.nav .back{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--p);cursor:pointer;
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.nav .back:hover{background:var(--p-light);}

/* ===== Tab Bar ===== */
.tabbar{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);
  width:390px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  display:flex;border-top:1px solid rgba(0,0,0,.06);
  z-index:999;padding-bottom:env(safe-area-inset-bottom);
}
.tab{
  flex:1;display:flex;flex-direction:column;
  align-items:center;padding:10px 0 8px;
  text-decoration:none;color:var(--t3);font-size:11px;
  transition:color .25s;position:relative;
}
.tab .ico{font-size:22px;margin-bottom:3px;transition:transform .25s;}
.tab.on{color:var(--p);}
.tab.on .ico{transform:scale(1.15);}
.tab.on::after{
  content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:24px;height:3px;background:var(--p);border-radius:3px 3px 0 0;
}

/* ===== Cards ===== */
.card{
  background:var(--surface);border-radius:var(--r);
  padding:20px;margin:10px 16px;
  box-shadow:var(--shadow);
  animation:slideUp .35s ease both;
}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.card:nth-child(2){animation-delay:.05s}
.card:nth-child(3){animation-delay:.1s}
.card:nth-child(4){animation-delay:.15s}

/* ===== Glass Card ===== */
.glass{
  background:rgba(255,255,255,.6);
  backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.8);
}

/* ===== Gradient Hero ===== */
.hero{
  background:linear-gradient(135deg,#4CAF9C 0%,#2d8b7a 60%,#1a6b5c 100%);
  padding:28px 20px 32px;color:#fff;position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-40px;right:-40px;
  width:160px;height:160px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.hero::after{
  content:'';position:absolute;bottom:-60px;left:-20px;
  width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.05);
}

/* ===== Buttons ===== */
.btn{
  display:block;width:100%;border:none;cursor:pointer;
  border-radius:50px;font-size:16px;font-weight:600;
  padding:15px;margin-top:14px;
  transition:all .25s cubic-bezier(.34,1.56,.64,1);
  position:relative;overflow:hidden;
}
.btn::after{
  content:'';position:absolute;inset:0;
  background:rgba(255,255,255,.0);transition:background .2s;
}
.btn:hover::after{background:rgba(255,255,255,.12);}
.btn:active{transform:scale(.97);}
.btn-p{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;box-shadow:var(--shadow-p);}
.btn-o{background:transparent;color:var(--p);border:2px solid var(--p);}
.btn-o:hover{background:var(--p-light);}

/* ===== Tags / Chips ===== */
.chip{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:30px;font-size:13px;
  margin:4px;cursor:pointer;border:1.5px solid #e2e8f0;
  color:var(--t2);background:#fff;
  transition:all .2s cubic-bezier(.34,1.56,.64,1);user-select:none;
}
.chip:hover{border-color:var(--p);color:var(--p);transform:scale(1.04);}
.chip.on{
  background:var(--p-light);color:var(--p);
  border-color:var(--p);font-weight:600;
  box-shadow:0 2px 8px var(--p-glow);
}

/* ===== Form ===== */
.fg{margin-bottom:18px;}
.fl{font-size:13px;color:var(--t2);margin-bottom:7px;display:block;font-weight:500;}
.fi{
  width:100%;border:1.5px solid #e2e8f0;border-radius:var(--r-sm);
  padding:13px 14px;font-size:15px;outline:none;background:#fff;
  transition:border-color .2s,box-shadow .2s;color:var(--t1);
}
.fi:focus{border-color:var(--p);box-shadow:0 0 0 3px var(--p-glow);}
textarea.fi{resize:none;height:110px;line-height:1.6;}

/* ===== Result Box ===== */
.result{display:none;}
.result.show{display:block;animation:slideUp .4s ease;}

/* ===== Urgency Badges ===== */
.badge{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:30px;font-size:13px;font-weight:600;}
.badge-danger {background:#fff1f0;color:#ff4d4f;}
.badge-warn   {background:#fff7e6;color:#fa8c16;}
.badge-yellow {background:#fffbe6;color:#faad14;}
.badge-ok     {background:#f6ffed;color:#52c41a;}

/* ===== Progress Bar ===== */
.pbar{background:#eef2f0;border-radius:10px;height:8px;overflow:hidden;}
.pfill{height:100%;border-radius:10px;background:linear-gradient(90deg,var(--p),var(--p2));transition:width .8s cubic-bezier(.34,1.56,.64,1);}

/* ===== Score Ring ===== */
.ring-wrap{display:flex;flex-direction:column;align-items:center;}
.ring{position:relative;width:130px;height:130px;}
.ring svg{position:absolute;top:0;left:0;transform:rotate(-90deg);}
.ring circle{fill:none;stroke-width:10;stroke-linecap:round;}
.ring .track{stroke:#eef2f0;}
.ring .fill{stroke:url(#rg);stroke-dasharray:339.3;stroke-dashoffset:339.3;transition:stroke-dashoffset 1.2s cubic-bezier(.34,1.56,.64,1);}
.ring-inner{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.ring-num{font-size:30px;font-weight:800;color:var(--p);line-height:1;}
.ring-lbl{font-size:11px;color:var(--t3);margin-top:2px;}

/* ===== Quick Grid ===== */
.qgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 16px;}
.qcard{
  background:var(--surface);border-radius:var(--r);
  padding:18px 14px;text-align:center;cursor:pointer;
  box-shadow:var(--shadow);text-decoration:none;color:var(--t1);
  transition:all .25s cubic-bezier(.34,1.56,.64,1);
  animation:slideUp .35s ease both;border:1.5px solid transparent;
}
.qcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--p-light);}
.qcard:active{transform:scale(.96);}
.qcard .qi{font-size:32px;margin-bottom:8px;display:block;}
.qcard .ql{font-size:14px;font-weight:700;}
.qcard .qd{font-size:11px;color:var(--t3);margin-top:3px;}

/* ===== Reminder Card ===== */
.rc{
  display:flex;align-items:center;padding:14px 0;
  border-bottom:1px solid rgba(0,0,0,.05);
  animation:slideUp .3s ease both;
}
.rc:last-child{border-bottom:none;}
.ri{font-size:28px;margin-right:14px;}
.rinfo{flex:1;}
.rt{font-size:15px;font-weight:600;}
.rd{font-size:12px;color:var(--t3);margin-top:2px;}
.rs{padding:5px 12px;border-radius:20px;font-size:12px;font-weight:500;}
.rs-p{background:#fff7e6;color:#fa8c16;}
.rs-d{background:#f6ffed;color:#52c41a;}
.rs-u{background:#fff1f0;color:#ff4d4f;}

/* ===== Pet Avatar ===== */
.petsw{
  display:flex;align-items:center;
  padding:16px 20px;background:var(--surface);
  border-bottom:1px solid rgba(0,0,0,.04);
}
.pav{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--p-light),#c8ede7);
  display:flex;align-items:center;justify-content:center;
  font-size:28px;margin-right:14px;
  border:2.5px solid var(--p);
  box-shadow:0 0 0 4px var(--p-glow);
}

/* ===== Timeline ===== */
.tl-item{display:flex;margin-bottom:20px;}
.tl-left{display:flex;flex-direction:column;align-items:center;margin-right:14px;padding-top:4px;}
.tl-dot{width:12px;height:12px;border-radius:50%;background:var(--p);box-shadow:0 0 0 3px var(--p-glow);flex-shrink:0;}
.tl-line{flex:1;width:2px;background:linear-gradient(var(--p),transparent);margin-top:4px;}
.tl-body{flex:1;background:var(--surface);border-radius:var(--r-sm);padding:14px;box-shadow:var(--shadow);}

/* ===== VIP Card ===== */
.vcard{
  flex:1;border-radius:var(--r);padding:20px 14px;
  border:2px solid #e2e8f0;text-align:center;cursor:pointer;
  transition:all .25s cubic-bezier(.34,1.56,.64,1);background:#fff;
}
.vcard:hover{transform:translateY(-4px);}
.vcard.on{border-color:var(--p);background:var(--p-light);box-shadow:var(--shadow-p);}
.vcard .vp{font-size:30px;font-weight:800;color:var(--p);}
.vcard .vperiod{font-size:12px;color:var(--t3);}
.vbadge{
  background:linear-gradient(135deg,#ff8c69,#ff6b35);
  color:#fff;font-size:11px;padding:3px 10px;
  border-radius:20px;display:inline-block;margin-bottom:8px;
  font-weight:600;
}

/* ===== Menu List ===== */
.mlist{list-style:none;}
.mitem{
  display:flex;align-items:center;padding:16px 0;
  border-bottom:1px solid rgba(0,0,0,.04);cursor:pointer;
  text-decoration:none;color:var(--t1);
  transition:background .2s;
}
.mitem:last-child{border-bottom:none;}
.mitem:hover{background:var(--p-light);margin:0 -20px;padding:16px 20px;border-radius:var(--r-sm);}
.mico{font-size:22px;margin-right:14px;width:28px;text-align:center;}
.mtxt{flex:1;font-size:15px;}
.marr{color:var(--t3);font-size:18px;}

/* ===== Loading Spinner ===== */
.loading{text-align:center;padding:32px;color:var(--t3);}
.spin{
  width:36px;height:36px;border:3px solid var(--p-light);
  border-top-color:var(--p);border-radius:50%;
  animation:spin .7s linear infinite;margin:0 auto 12px;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== Toast ===== */
#toast{
  position:fixed;top:70px;left:50%;transform:translateX(-50%) translateY(-10px);
  background:rgba(26,26,46,.9);color:#fff;
  padding:11px 24px;border-radius:30px;font-size:14px;
  z-index:9999;pointer-events:none;opacity:0;
  transition:all .3s cubic-bezier(.34,1.56,.64,1);
  backdrop-filter:blur(10px);white-space:nowrap;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ===== Ingredient chips ===== */
.ing{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:20px;font-size:13px;margin:3px;}
.ing-g{background:#f6ffed;color:#52c41a;}
.ing-w{background:#fff7e6;color:#fa8c16;}
.ing-b{background:#fff1f0;color:#ff4d4f;}

/* ===== Stat boxes ===== */
.stats{display:flex;gap:10px;margin-top:16px;}
.stat{flex:1;background:var(--p-light);border-radius:var(--r-sm);padding:12px;text-align:center;}
.stat-n{font-size:20px;font-weight:800;color:var(--p);}
.stat-l{font-size:11px;color:var(--t3);margin-top:2px;}

/* ===== Section title ===== */
.sec{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.sec-t{font-size:16px;font-weight:700;}
.sec-a{font-size:13px;color:var(--p);text-decoration:none;}

/* ===== Tab Switch ===== */
.tsw{display:flex;background:#eef2f0;border-radius:var(--r-sm);padding:3px;margin:12px 16px;}
.tsw span{flex:1;text-align:center;padding:9px;border-radius:8px;font-size:14px;cursor:pointer;color:var(--t3);transition:all .25s;}
.tsw span.on{background:#fff;color:var(--p);font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,.08);}
.pane{display:none;}.pane.on{display:block;}

/* ===== Food card ===== */
.fcard{border:1.5px solid #e2e8f0;border-radius:var(--r);padding:16px;margin-bottom:12px;transition:border-color .2s;}
.fcard:hover{border-color:var(--p);}
.frank{width:26px;height:26px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-right:8px;}

/* ===== Grade Badge ===== */
.grade{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;}
.grade-A{background:#f6ffed;color:#52c41a;}
.grade-B{background:#e6f7ff;color:#1890ff;}
.grade-C{background:#fff7e6;color:#fa8c16;}
.grade-D{background:#fff1f0;color:#ff4d4f;}