/* AI Diet & Fitness Coach — mobile-first UI */
:root{
  --bg:#0f1115; --surface:#171a21; --surface2:#1e222b; --line:#2a2f3a;
  --text:#eef1f6; --muted:#9aa3b2; --brand:#2bb673; --brand2:#159b63;
  --cal:#2bb673; --pro:#3aa0ff; --carb:#f5a623; --fat:#ff6f91; --water:#39a0ff;
  --danger:#ef4444; --radius:16px; --shadow:0 6px 24px rgba(0,0,0,.28);
  --maxw:520px;
}
:root:not([data-theme="dark"]) @media (prefers-color-scheme: light){}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f4f6fa; --surface:#ffffff; --surface2:#f0f3f8; --line:#e3e8f0;
    --text:#131722; --muted:#5b6472; --shadow:0 6px 20px rgba(20,30,50,.08);
  }
}
:root[data-theme="light"]{
  --bg:#f5f7f8; --surface:#ffffff; --surface2:#f1f5f4; --line:#e7ecec;
  --text:#0f1a19; --muted:#6b7574; --shadow:0 8px 24px rgba(16,40,38,.07);
  /* SnapCal identity: emerald primary, no orange */
  --brand:#12b886; --brand2:#0ca678; --cal:#12b886; --food:#12b886;
  --pro:#4c6ef5; --carb:#f59f00; --fat:#f06595; --fibre:#20c997; --water:#339af0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.app{max-width:var(--maxw);margin:0 auto;min-height:100vh;padding:0 16px 88px;position:relative}
h1,h2,h3{margin:0 0 .4em}
h1{font-size:22px}h2{font-size:18px}h3{font-size:15px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
button{font:inherit;cursor:pointer}
.hidden{display:none!important}

/* top bar */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(14px + env(safe-area-inset-top)) 2px 8px;position:sticky;top:0;background:linear-gradient(var(--bg),var(--bg) 82%,transparent);z-index:5}
.topbar .brand{font-weight:700;font-size:16px;display:flex;gap:8px;align-items:center}
.logo{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:#04120a;font-weight:900}
.chip{font-size:11px;padding:3px 8px;border-radius:999px;background:var(--surface2);color:var(--muted);border:1px solid var(--line)}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:12px 0;box-shadow:var(--shadow)}
.goal-lose{background:color-mix(in srgb,#22c55e 12%,var(--surface))}
.goal-gain{background:color-mix(in srgb,#3b82f6 12%,var(--surface))}
.goal-maintain{background:color-mix(in srgb,#a855f7 12%,var(--surface))}
.goal-gain{--brand:#3b82f6}
.goal-maintain{--brand:#a855f7}
.card.tight{padding:12px}
.row{display:flex;gap:12px}.row.wrap{flex-wrap:wrap}.row.between{justify-content:space-between;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.grow{flex:1}

/* buttons */
.btn{border:1px solid var(--line);background:var(--surface2);color:var(--text);padding:11px 14px;border-radius:12px;font-weight:600;display:inline-flex;gap:8px;align-items:center;justify-content:center}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border-color:transparent;color:#04120a}
.btn.block{width:100%}
.btn.ghost{background:transparent}
.btn.sm{padding:7px 10px;font-size:13px;border-radius:10px}
.btn.danger{color:var(--danger);border-color:var(--danger)}
.btn:active{transform:translateY(1px)}

/* inputs */
label{display:block;font-size:12.5px;color:var(--muted);margin:10px 0 4px}
input,select,textarea{width:100%;background:var(--surface2);border:1px solid var(--line);color:var(--text);padding:11px 12px;border-radius:12px;font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--brand) 55%,transparent);border-color:transparent}
.pillset{display:flex;flex-wrap:wrap;gap:8px}
.pill{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface2);color:var(--text);font-size:13px}
.pill.on{background:color-mix(in srgb,var(--brand) 22%,var(--surface2));border-color:var(--brand);color:var(--text)}

/* rings */
.rings{display:flex;gap:14px;align-items:center;justify-content:space-around;flex-wrap:wrap}
.ring{--val:0;--col:var(--cal);width:96px;height:96px;border-radius:50%;
  background:conic-gradient(var(--col) calc(var(--val)*1%), var(--surface2) 0);
  display:grid;place-items:center;position:relative}
.ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--surface)}
.ring .rc{position:relative;text-align:center;line-height:1.1}
.ring .rc b{font-size:18px}.ring .rc span{font-size:10.5px;color:var(--muted)}
.macro{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px}
.bar{height:8px;border-radius:6px;background:var(--surface2);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:6px}

/* big calorie */
.bigcal{text-align:center;padding:6px 0}
.bigcal .n{font-size:40px;font-weight:800;line-height:1}
.bigcal .n small{font-size:16px;color:var(--muted);font-weight:600}

/* list items */
.item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .k{font-size:12px;color:var(--muted)}
.tag{font-size:11px;padding:2px 7px;border-radius:6px;background:var(--surface2);color:var(--muted);border:1px solid var(--line)}
.conf-high{color:var(--brand)}.conf-med{color:var(--carb)}.conf-low{color:var(--danger)}

/* ============ SnapCal dashboard ============ */
.hm-h{font-size:16px;font-weight:800;margin:16px 4px 8px}

/* reminders rows */
.rem-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.rem-row:last-of-type{border-bottom:0}
.rem-ic{font-size:20px;width:26px;text-align:center;flex:none}
.rem-name{flex:1;font-weight:600;min-width:0}
.rem-time{flex:none;width:118px;padding:8px 10px;font-size:14px}
/* multi-time reminder categories */
.rem-cat{padding:12px 0;border-bottom:1px solid var(--line)}
.rem-cat:last-child{border-bottom:0}
.rem-cat-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.rem-cat-head .rem-name{flex:1}
.rem-count{font-size:12px;color:var(--muted);background:var(--surface2);padding:2px 9px;border-radius:999px;flex:none}
.rem-times{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.rem-time-row{display:flex;align-items:center;gap:10px}
.rem-time-row input[type=time]{flex:1;padding:9px 10px;font-size:15px}
.rem-del{flex:none;width:34px;height:34px;border-radius:9px;border:0;background:var(--surface2);color:var(--muted);font-size:15px;cursor:pointer}
.rem-del:active{background:var(--line)}
.btn.rem-add{width:auto}
.btn.rem-add:disabled{opacity:.45;cursor:not-allowed}
/* body metrics grid */
.bm-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.bm-tile{background:var(--surface2);border-radius:12px;padding:10px 12px}
.bm-tile b{font-size:17px;display:block;margin-top:2px}
/* toggle switch */
.switch{position:relative;display:inline-block;width:46px;height:26px;flex:none}
.switch input{opacity:0;width:0;height:0;position:absolute}
.switch .track{position:absolute;inset:0;background:var(--line);border-radius:999px;transition:background .15s}
.switch .track::before{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.switch input:checked + .track{background:var(--brand)}
.switch input:checked + .track::before{transform:translateX(20px)}

/* sub-page header with back arrow */
.subtop{display:flex;align-items:center;gap:8px;padding:calc(12px + env(safe-area-inset-top)) 0 6px;position:sticky;top:0;background:var(--bg);z-index:5}
.subtop b{flex:1;text-align:center;font-size:16px}
.backbtn{width:34px;height:34px;border-radius:50%;border:0;background:var(--surface2);color:var(--text);font-size:24px;line-height:1;display:grid;place-items:center;cursor:pointer}
.backpad{width:34px;flex:none}

/* date selector — native date input overlaid on the chip so a tap opens the
   phone's calendar directly (reliable on iOS/Android without showPicker). */
.tp-date{position:relative;display:inline-block}
.tp-date .datechip{pointer-events:none}
.tp-date input[type=date]{position:absolute;inset:0;width:100%;height:100%;min-height:34px;opacity:0;border:0;margin:0;padding:0;cursor:pointer;-webkit-appearance:none;appearance:none;background:transparent;z-index:2}
.datechip{font-weight:700;cursor:pointer}

/* profile avatar */
.avatar{width:52px;height:52px;border-radius:50%;overflow:hidden;background:color-mix(in srgb,var(--brand) 16%,var(--surface));color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:20px;flex:none;border:0;padding:0}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.sm{width:32px;height:32px;font-size:14px}

/* signature calorie-ring hero */
.hero{padding:18px}
.hm-row{display:flex;align-items:center;gap:10px}
.hm-cam{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);font-size:17px;display:grid;place-items:center;flex:none}
.hero-top{display:flex;align-items:center;gap:16px}
.hero-ring{position:relative;width:128px;height:128px;flex:none}
.cring{width:128px;height:128px;transform:rotate(-90deg)}
.cring .cbg{fill:none;stroke:var(--surface2);stroke-width:11}
.cring .cfg{fill:none;stroke:var(--cal);stroke-width:11;stroke-linecap:round;transition:stroke-dashoffset .7s ease}
.hero-c{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.hero-c b{font-size:30px;font-weight:800;line-height:1}
.hero-c span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.hero-ic{font-size:18px;line-height:1;margin-bottom:3px;opacity:.9}
.hero-info{flex:1;min-width:0}
.hero-line{display:flex;justify-content:space-between;align-items:baseline;padding:2px 0;font-size:14px}
.hero-line b{font-size:15px}
.hero-burn{color:var(--fat)}
.hero-macros{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.mchip{display:flex;align-items:center;gap:9px}
.mchip-ring{width:30px;height:30px;border-radius:50%;padding:3px;flex:none}
.mchip-ring span{display:block;width:100%;height:100%;border-radius:50%;background:var(--surface)}

/* tracker list rows */
.hm-list{padding-top:6px;padding-bottom:6px}
.hm-ic{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:19px;background:var(--surface2);flex:none}
.hm-ic.ring{position:relative;padding:3px}
.hm-ic.ring span{width:100%;height:100%;border-radius:50%;background:var(--surface);display:grid;place-items:center}
.hm-plus{width:34px;height:34px;border-radius:11px;background:color-mix(in srgb,var(--brand) 14%,var(--surface));color:var(--brand);font-size:18px;font-weight:700;display:grid;place-items:center;border:0;flex:none}
.hm-plus.sm{width:30px;height:30px;border-radius:9px;font-size:16px}
.hm-trow{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);cursor:pointer}
.hm-trow:last-child{border-bottom:0}
.hm-trow b{font-size:14.5px}
.bar.sm{height:6px}
.nav a.on{color:var(--brand)}

/* bottom nav */
.nav{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line)}
.nav .inner{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-around;padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.nav a{flex:1;text-align:center;color:var(--muted);text-decoration:none;font-size:10.5px;padding:6px 2px;border:0;background:none}
.nav a .ic{display:block;font-size:20px;line-height:1.2}
.nav a.on{color:var(--brand)}
.nav a.scan{position:relative}
.nav a.scan .ic{width:46px;height:46px;margin:-18px auto 0;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#04120a;display:grid;place-items:center;box-shadow:var(--shadow);font-size:22px}

/* modal */
.modal{position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.5);display:grid;place-items:end center;padding:0}
.sheet{width:100%;max-width:var(--maxw);background:var(--surface);border-radius:20px 20px 0 0;padding:18px 16px calc(20px + env(safe-area-inset-bottom));max-height:92vh;overflow:auto;border:1px solid var(--line)}
.sheet h2{display:flex;justify-content:space-between;align-items:center}
.x{background:var(--surface2);border:1px solid var(--line);border-radius:10px;width:34px;height:34px}

.banner{font-size:12.5px;background:color-mix(in srgb,var(--carb) 16%,var(--surface));border:1px solid color-mix(in srgb,var(--carb) 40%,var(--line));color:var(--text);padding:10px 12px;border-radius:12px;margin:10px 0}
.disclaimer{font-size:11.5px;color:var(--muted);text-align:center;padding:14px 8px}
.stepper{display:flex;gap:6px;margin:6px 0 14px}
.stepper i{height:4px;border-radius:3px;flex:1;background:var(--surface2)}
.stepper i.on{background:var(--brand)}
.center{text-align:center}
.spacer{height:8px}
canvas{width:100%;height:auto;display:block}

/* ---- Cal AI–style scan + meal cards ---- */
.scanhead{display:flex;gap:12px;align-items:center;padding:4px 0 6px}
.scanhead-ic{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;font-size:22px;flex:none}
.filedrop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:2px dashed var(--line);border-radius:16px;padding:26px 12px;margin-top:6px;cursor:pointer;color:var(--muted);text-align:center}
.filedrop:hover{border-color:var(--brand);color:var(--text)}
.filedrop-ic{width:40px;height:40px;border-radius:50%;background:var(--surface2);display:grid;place-items:center;font-size:24px;color:var(--brand)}
.scan-photo{width:100%;max-height:260px;object-fit:cover;border-radius:14px;display:block}
.mealitem{gap:10px;align-items:center}
.meal-thumb{width:44px;height:44px;border-radius:10px;object-fit:cover;flex:none;background:var(--surface2)}
.meal-thumb.ph{display:grid;place-items:center;font-size:20px;color:var(--muted)}
/* timeline meal-log cards (Today's Logs feed) */
.logfeed{margin-top:2px}
.logrow{display:flex;gap:10px;align-items:flex-start;margin-bottom:14px}
.logtime{flex:none;width:50px;font-size:12px;font-weight:600;color:var(--muted);padding-top:16px;text-align:right;line-height:1.35}
.logcard{flex:1;min-width:0;margin:0}
.log-head{display:flex;align-items:center;gap:10px}
.log-ic{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:17px;flex:none}
.log-type{flex:1;font-size:15px;min-width:0}
.log-cal{margin:12px 0 2px}
.log-cal b{font-size:26px;font-weight:800}
.log-cal .muted{font-size:14px;font-weight:600}
.log-name{margin-bottom:10px}
.log-thumb{margin:0 0 10px;border-radius:12px;overflow:hidden;max-height:180px}
.log-thumb img{width:100%;height:100%;max-height:180px;object-fit:cover;display:block}
.log-div{display:flex;align-items:center;text-align:center;color:var(--muted);font-size:12px;font-weight:600;margin:6px 0 12px;gap:10px}
.log-div::before,.log-div::after{content:"";flex:1;height:1px;background:var(--line)}
.log-macros{display:flex;justify-content:space-between;gap:6px;margin-bottom:12px}
.mm{flex:1;text-align:center;min-width:0}
.mm-ring{width:42px;height:42px;border-radius:50%;border:2.5px solid var(--line);display:grid;place-items:center;margin:0 auto 5px;font-size:16px}
.mm-l{font-size:12px;color:var(--muted)}
.mm-v{font-size:13px;font-weight:700}
.log-insight{width:100%;border:1px solid var(--line);background:var(--surface2);color:var(--brand);font-weight:700;border-radius:12px;padding:11px;cursor:pointer;font-size:14px}
.log-insight.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.log-chips{display:flex;flex-direction:column;gap:8px}
.log-chip{text-align:left;border:1px solid var(--line);background:var(--surface2);color:var(--text);border-radius:12px;padding:11px 12px;font-size:14px;cursor:pointer}
.spin{display:flex;gap:10px;align-items:center;justify-content:center;padding:18px 0}
.spinner{width:22px;height:22px;border-radius:50%;border:3px solid var(--surface2);border-top-color:var(--brand);animation:sp 0.8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}