/* Varzideh. Layout concept: one-handed phone app, big targets, muscle heat colours are the only loud thing. */
@font-face { font-family: Vazirmatn; src: url(../fonts/Vazirmatn-wght.woff2) format('woff2'); font-weight: 100 900; font-display: swap; }
:root {
  --bg:#eef2f2; --surface:#fff; --surface-2:#e3eaea; --ink:#10201f; --muted:#516565; --line:#d0dbda;
  --grad:linear-gradient(135deg,#0d8a7c,#0b6f8a); --ring:0 0 0 3px rgba(11,122,110,.28); --ease:cubic-bezier(.2,.7,.2,1);
  --brand:#0b7a6e; --brand-ink:#fff; --brand-soft:#d5ece8; --hot:#d9482f; --warn:#a86a00; --warn-soft:#fbeed0; --bad:#b92c2c; --bad-soft:#fbe0dd; --good:#1c7d43; --good-soft:#d9f0e1;
  --body-base:#c9d5d4; --radius:14px; --shadow:0 1px 2px rgba(10,30,30,.08),0 8px 24px rgba(10,30,30,.05);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){ --bg:#0a1317; --surface:#121f25; --surface-2:#1b2c34; --ink:#eaf3f2; --muted:#a3b6b6; --line:#27393f; --grad:linear-gradient(135deg,#35c2ad,#3aa0d4); --ring:0 0 0 3px rgba(53,194,173,.35); --brand:#35c2ad; --brand-ink:#06211d; --brand-soft:#123a38; --hot:#f2704f; --warn:#e8b34c; --warn-soft:#3a2f14; --bad:#f07a70; --bad-soft:#42201e; --good:#5fce8c; --good-soft:#14352a; --body-base:#2a3d45; --shadow:none; color-scheme:dark; } }
:root[data-theme="dark"]{ --bg:#0a1317; --surface:#121f25; --surface-2:#1b2c34; --ink:#eaf3f2; --muted:#a3b6b6; --line:#27393f; --grad:linear-gradient(135deg,#35c2ad,#3aa0d4); --ring:0 0 0 3px rgba(53,194,173,.35); --brand:#35c2ad; --brand-ink:#06211d; --brand-soft:#123a38; --hot:#f2704f; --warn:#e8b34c; --warn-soft:#3a2f14; --bad:#f07a70; --bad-soft:#42201e; --good:#5fce8c; --good-soft:#14352a; --body-base:#2a3d45; --shadow:none; color-scheme:dark; }
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:400 15px/1.65 Vazirmatn,-apple-system,"Segoe UI",Tahoma,sans-serif;font-variant-numeric:tabular-nums;-webkit-text-size-adjust:100%;transition:background-color .25s,color .25s}
h1,h2,h3{line-height:1.3;margin:0;text-wrap:balance}
h1{font-size:24px;font-weight:800} h2{font-size:18px;font-weight:700} h3{font-size:15px;font-weight:700}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.page{max-width:720px;margin:0 auto;padding-block:calc(16px + env(safe-area-inset-top,0px)) calc(96px + env(safe-area-inset-bottom,0px));padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));display:flex;flex-direction:column;gap:16px}
.page.bare{padding-bottom:calc(24px + env(safe-area-inset-bottom,0px))}
.row{display:flex;align-items:center;gap:10px;min-width:0}.row.wrap{flex-wrap:wrap}.between{justify-content:space-between}.grow{flex:1;min-width:0}
.stack{display:flex;flex-direction:column;gap:12px;min-width:0}.tight{gap:6px}
.muted{color:var(--muted)}.small{font-size:13px}.xs{font-size:12px}.bold{font-weight:700}.center{text-align:center}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;min-width:0;transition:transform .15s var(--ease),border-color .15s}
.card.link{cursor:pointer;text-align:start;width:100%}
.card.link:active{transform:scale(.985);border-color:var(--brand)}
.btn{appearance:none;border:1px solid var(--line);background:var(--surface);border-radius:12px;min-height:46px;padding:0 16px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;transition:transform .12s var(--ease),filter .15s,background-color .15s}
.btn{text-decoration:none;color:inherit}
.btn:active:not(:disabled){transform:scale(.97)}
.btn.primary{background:var(--grad);border-color:transparent;color:var(--brand-ink);box-shadow:0 6px 16px -8px var(--brand)}
.btn.primary:active:not(:disabled){filter:brightness(.92)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--brand)}
.btn.danger{color:var(--bad);border-color:var(--bad)}
.btn.big{min-height:56px;font-size:17px;font-weight:700;width:100%}
.btn.sm{min-height:36px;padding:0 12px;font-size:13px;border-radius:10px}
.btn:disabled{opacity:.5;cursor:default}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field>span{font-size:13px;font-weight:600;color:var(--muted)}
.field small{color:var(--muted);font-size:12px}
input,select,textarea{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:0 12px;font-size:16px;transition:border-color .15s,box-shadow .15s}   /* 16px stops iOS zooming the page on focus */
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:var(--ring)}
textarea{padding:10px 12px;min-height:80px;resize:vertical}
input[type=number],input.ltr{direction:ltr;text-align:start}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{appearance:none;border:1px solid var(--line);background:var(--surface);border-radius:99px;min-height:38px;padding:0 13px;font-size:13px;font-weight:600;cursor:pointer}
.chip[aria-pressed=true]{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:99px;padding:2px 10px;font-size:12px;font-weight:700;background:var(--surface-2);color:var(--ink);white-space:nowrap}
.pill.good{background:var(--good-soft);color:var(--good)}.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.bad{background:var(--bad-soft);color:var(--bad)}.pill.brand{background:var(--brand-soft);color:var(--brand)}
.notice{border-radius:12px;padding:10px 12px;font-size:13px;background:var(--warn-soft);color:var(--ink)}
.notice.info{background:var(--brand-soft)}.notice.bad{background:var(--bad-soft)}
.stat{display:flex;flex-direction:column;gap:0;min-width:0}.stat b{font-size:21px;font-weight:800}.stat span{font-size:12px;color:var(--muted)}
.tabs{display:flex;gap:4px;background:var(--surface-2);border-radius:12px;padding:4px;overflow-x:auto}
.tabs button{flex:1;appearance:none;border:0;background:transparent;border-radius:9px;min-height:38px;padding:0 10px;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;color:var(--muted)}
.tabs button[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.nav{position:fixed;inset:auto 0 0;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line);display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom,0px);z-index:20}
.nav a{flex:1;max-width:180px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:9px 0 7px;font-size:12px;font-weight:600;color:var(--muted);text-decoration:none}
.nav a{position:relative;transition:color .15s}.nav a.on{color:var(--brand)}.nav svg{width:23px;height:23px;transition:transform .2s var(--ease)}.nav a.on svg{transform:translateY(-2px) scale(1.08)}
.nav a.on::before{content:'';position:absolute;top:0;width:28px;height:3px;border-radius:0 0 4px 4px;background:var(--grad)}
.avatar{width:42px;height:42px;border-radius:13px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;flex:none}
.back{appearance:none;background:none;border:0;padding:6px;margin-inline-start:-6px;cursor:pointer;color:var(--ink);display:grid;place-items:center}
[dir=rtl] .flip-rtl{transform:scaleX(-1)}
.ex-row{display:flex;gap:10px;align-items:flex-start;border-top:1px solid var(--line);padding-top:12px}
.ex-row:first-child{border-top:0;padding-top:0}
.ex-head{appearance:none;background:none;border:0;padding:0;width:100%;text-align:start;cursor:pointer;display:flex;flex-direction:column;gap:3px}
.bars{display:flex;flex-direction:column;gap:7px}
.bar-row{display:grid;grid-template-columns:96px minmax(0,1fr) 34px;align-items:center;gap:8px;font-size:12px}
.bar-track{position:relative;height:10px;background:var(--surface-2);border-radius:5px}
.bar-fill{position:absolute;inset-block:0;inset-inline-start:0;border-radius:5px;background:var(--brand)}
.bar-target{position:absolute;inset-block:-3px;width:2px;background:var(--ink);opacity:.55}
.bodymap{display:grid;grid-template-columns:1fr 1fr;gap:4px;width:100%;max-width:340px;margin-inline:auto}
.bodymap svg{width:100%;height:auto;display:block}
.bm-base{fill:var(--body-base)}.bm-m{transition:fill .12s linear;stroke:var(--surface);stroke-width:.8}
.legend{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted);justify-content:center}
.legend i{display:block;width:120px;height:8px;border-radius:4px;background:linear-gradient(90deg,#40aaaa,#7ac878,#f5be3c,#ee6032,#d62832)}
[dir=rtl] .legend i{transform:scaleX(-1)}
#toasts{position:fixed;inset-inline:16px;bottom:calc(88px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;align-items:center;gap:8px;z-index:90;pointer-events:none}
.toast{background:#10201f;color:#fff;border-radius:12px;padding:10px 16px;font-size:13px;font-weight:600;max-width:100%;box-shadow:0 8px 24px rgba(0,0,0,.28);animation:rise .25s var(--ease)}
:root[data-theme=dark] .toast{background:#eaf3f2;color:#0a1317}
.sheet-bg{position:fixed;inset:0;background:rgba(5,15,18,.55);z-index:60;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:var(--bg);width:100%;max-width:720px;max-height:90%;overflow:auto;border-radius:18px 18px 0 0;padding:18px max(16px,env(safe-area-inset-right,0px)) calc(18px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;gap:12px}
.brand-mark{font-weight:900;font-size:30px;letter-spacing:-.01em}.brand-mark em{font-style:normal;color:var(--hot)}
.hero-map{width:190px;max-width:60%;margin-inline:auto}
.code{font-size:clamp(18px,5.8vw,26px);font-weight:800;letter-spacing:.1em;white-space:nowrap;direction:ltr;text-align:center;background:var(--surface-2);border-radius:11px;padding:8px;user-select:all}
.spark{width:100%;height:46px;display:block}
.num-input{display:flex;align-items:center;gap:6px}
.num-input input{text-align:center;padding:0 2px;min-width:0}
.mini-input{width:62px;min-height:38px;border-radius:9px;text-align:center;padding:0 2px;direction:ltr}
/* Camera screen stays dark in both themes so the overlay reads well */
.cam{position:fixed;inset:0;background:#05090b;color:#fff;z-index:50;overflow:hidden;display:flex;align-items:center;justify-content:center}
.cam video,.cam canvas{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.cam .mirror video{transform:translate(-50%,-50%) scaleX(-1)}
.cam-top{position:absolute;inset:0 0 auto;padding:calc(10px + env(safe-area-inset-top,0px)) max(12px,env(safe-area-inset-right,0px)) 26px max(12px,env(safe-area-inset-left,0px));background:linear-gradient(rgba(0,0,0,.72),transparent);display:flex;align-items:flex-start;justify-content:space-between;gap:10px;z-index:3}
.cam-btn{appearance:none;width:44px;height:44px;border:0;border-radius:13px;background:rgba(255,255,255,.16);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none;backdrop-filter:blur(6px)}
.cam-btn[aria-pressed=true]{background:#35c2ad;color:#06211d}
.cam-btn svg{width:23px;height:23px}
.cam-count{position:absolute;inset-inline-start:max(14px,env(safe-area-inset-left,0px));top:calc(70px + env(safe-area-inset-top,0px));z-index:3;font-weight:900;line-height:1;text-shadow:0 2px 12px rgba(0,0,0,.7)}
.cam-count b{font-size:76px;display:block}.cam-count small{font-size:18px;font-weight:700;opacity:.85}
.cam-count .partial{font-size:13px;font-weight:600;color:#f5be3c;display:block;margin-top:6px}
.cam-score{display:inline-block;margin-top:8px;font-size:14px;font-weight:800;padding:2px 10px;border-radius:99px;background:rgba(255,255,255,.17)}
.cam-rom{position:absolute;inset-inline-end:max(12px,env(safe-area-inset-right,0px));top:50%;height:36%;width:12px;margin-top:-18%;background:rgba(255,255,255,.2);border-radius:7px;z-index:3;overflow:hidden}
.cam-rom i{position:absolute;inset:auto 0 0;background:#35c2ad;border-radius:7px;height:0}
.cam-map{position:absolute;inset-inline-end:max(32px,calc(env(safe-area-inset-right,0px) + 32px));top:calc(70px + env(safe-area-inset-top,0px));width:112px;z-index:3;background:rgba(5,15,18,.5);border-radius:12px;padding:5px;--body-base:rgba(255,255,255,.2);--surface:rgba(0,0,0,.3);backdrop-filter:blur(4px)}
.cam-map .legend{display:none}
.cam-cue{position:absolute;inset-inline:max(12px,env(safe-area-inset-left,0px));bottom:calc(92px + env(safe-area-inset-bottom,0px));z-index:4;display:flex;justify-content:center;pointer-events:none}
.cam-cue div{background:rgba(5,15,18,.86);border-radius:13px;padding:10px 16px;font-size:18px;font-weight:800;text-align:center;max-width:100%}
.cam-cue div.fault{background:#c23b24}.cam-cue div.setup{background:#b57a08}.cam-cue div.good{background:#167a56}
.cam-bottom{position:absolute;inset:auto 0 0;padding:26px max(12px,env(safe-area-inset-right,0px)) calc(14px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px));background:linear-gradient(transparent,rgba(0,0,0,.78));display:flex;align-items:center;gap:8px;z-index:3}
.cam-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:30px;text-align:center;z-index:5;background:rgba(5,12,15,.82)}
.cam .btn{background:rgba(255,255,255,.14);border-color:transparent;color:#fff}
.cam .btn.primary{background:#35c2ad;color:#06211d}
.spinner{width:34px;height:34px;border-radius:50%;border:4px solid rgba(255,255,255,.25);border-top-color:#35c2ad;animation:spin .9s linear infinite}
.spinner-dark{border-color:var(--line);border-top-color:var(--brand)}
@keyframes spin{to{transform:rotate(360deg)}}
.pop{animation:pop .28s ease-out}
@keyframes pop{0%{transform:scale(1.28)}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media (min-width:640px){.grid-auto{display:grid;grid-template-columns:1fr 1fr;gap:16px}}

/* nutrition */
.bar-fill.over{background:var(--bad)}
.listrow{width:100%;text-align:start;background:none;border:0;border-top:1px solid var(--line);padding:9px 0;font-size:14px;gap:8px;display:flex;align-items:center;justify-content:space-between}
.listrow:first-of-type{border-top:0}
.list{max-height:46vh;overflow:auto;margin:6px 0}
details.card>summary{cursor:pointer;font-weight:700;font-size:14px}
.banner{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;border-radius:12px;padding:10px 12px;font-size:13px;margin-bottom:12px;background:var(--brand-soft);color:var(--ink)}
.banner.warn{background:var(--warn-soft)}.banner.bad{background:var(--bad-soft)}

/* ---- polish ---- */
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes sheetUp{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}}
@keyframes shimmer{to{background-position:-200% 0}}
.page{animation:rise .24s var(--ease)}
.sheet{animation:sheetUp .24s var(--ease)}
h1{letter-spacing:-.01em}
.brand-mark{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.icon-btn{appearance:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;flex:none;transition:transform .12s var(--ease)}
.icon-btn:active{transform:scale(.92)}
.icon-btn svg{width:21px;height:21px}
.skel{height:84px;border-radius:var(--radius);background:linear-gradient(100deg,var(--surface-2) 30%,var(--surface) 50%,var(--surface-2) 70%);background-size:200% 100%;animation:shimmer 1.3s linear infinite}
.empty{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;color:var(--muted);padding:34px 20px;border:1.5px dashed var(--line);border-radius:var(--radius)}
.netbar{position:sticky;top:0;z-index:80;display:flex;align-items:center;justify-content:center;gap:8px;padding:calc(7px + env(safe-area-inset-top,0px)) 14px 7px;background:var(--warn-soft);color:var(--ink);font-size:13px;font-weight:600;border-bottom:1px solid var(--warn)}
.netbar svg{width:18px;height:18px;color:var(--warn)}
.progress{height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden}
.progress i{display:block;height:100%;background:var(--grad);border-radius:3px;transition:width .4s var(--ease)}
details.guide>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;min-height:44px}
details.guide>summary::-webkit-details-marker{display:none}
details.guide>summary::after{content:'+';font-size:22px;font-weight:700;color:var(--brand);line-height:1}
details.guide[open]>summary::after{content:'−'}
details.guide ol{margin:0;padding-inline-start:22px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.card.install{border-color:var(--brand);background:linear-gradient(var(--brand-soft),var(--surface))}
.stat b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
#rest-clock{font-variant-numeric:tabular-nums}
@media (max-width:360px){.btn{padding:0 12px}.nav a{font-size:11px}}
details.guide{display:block}
details.guide[open]>summary{margin-bottom:12px}
details.guide[open]>*:not(summary){margin-top:12px}
details.guide[open]>ol{margin-top:0}
[dir=rtl] details.guide ol{list-style-type:persian}
.card.row{flex-direction:row;align-items:center}
details.guide{padding-block:6px}