/* Forge — energetic dark theme, mobile-first. */
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
:root{
  --bg:#0b0d12; --bg2:#12151d; --card:#171b25; --card2:#1e2330;
  --line:#262c3a; --txt:#eef1f7; --muted:#9aa3b5; --muted2:#6b7488;
  --a1:#ff6a2b; --a2:#ff2e63; --accent:#ff5233;
  --grad:linear-gradient(135deg,#ff6a2b,#ff2e63);
  --ok:#31c76a; --radius:16px;
}
html,body{height:100%}
body{background:var(--bg);color:var(--txt);font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;overscroll-behavior-y:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.spark{display:inline-block;width:14px;height:14px;border-radius:4px;background:var(--grad);transform:rotate(45deg);vertical-align:-1px}

.cta{display:block;width:100%;background:var(--grad);color:#fff;font-weight:800;font-size:1.02rem;padding:15px;border-radius:14px;box-shadow:0 8px 26px rgba(255,60,60,.28)}
.cta:active{transform:translateY(1px)}
.cta.ghost{background:var(--card2);box-shadow:none;color:var(--txt)}
.linkbtn{color:var(--accent);font-weight:600;text-decoration:underline;font-size:.92rem}
.txt-in{width:100%;background:var(--bg2);border:1.5px solid var(--line);color:var(--txt);padding:14px;border-radius:12px;font-size:1rem;margin:8px 0}
.txt-in:focus{outline:none;border-color:var(--accent)}

/* ---------- hero ---------- */
.hero{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:28px 22px;
  background:radial-gradient(120% 80% at 50% -10%,rgba(255,60,60,.16),transparent 60%),var(--bg)}
.hero-inner{max-width:440px;text-align:center}
.logo{font-size:1.2rem;font-weight:800;letter-spacing:.02em;margin-bottom:26px}
.hero h1{font-size:2.15rem;font-weight:900;line-height:1.1;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--muted);margin:16px 0 26px;font-size:1.02rem}
.hero-feats{margin-top:26px;display:grid;gap:12px;text-align:left}
.hero-feats>div{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);padding:13px 15px;border-radius:13px;font-weight:600;font-size:.94rem}
.hero-feats i{color:var(--accent);width:20px;height:20px;flex:none}
.hero-signin{margin-top:22px;display:inline-block}

/* ---------- wizard ---------- */
.wizard{min-height:100dvh;display:flex;flex-direction:column;max-width:520px;margin:0 auto}
.wiz-top{display:flex;align-items:center;gap:12px;padding:18px 18px 6px}
.wiz-back{width:38px;height:38px;border-radius:10px;background:var(--card);display:grid;place-items:center;flex:none}
.wiz-back i{width:20px;height:20px}
.wiz-bar{flex:1;height:7px;background:var(--card);border-radius:99px;overflow:hidden}
.wiz-fill{height:100%;width:14%;background:var(--grad);border-radius:99px;transition:width .3s}
.wiz-body{flex:1;padding:20px 22px;overflow-y:auto}
.wiz-body h2{font-size:1.55rem;font-weight:850;letter-spacing:-.02em;margin-bottom:6px}
.wiz-body .sub{color:var(--muted);margin-bottom:22px}
.wiz-foot{padding:16px 22px calc(20px + env(safe-area-inset-bottom))}
.opts{display:grid;gap:12px}
.opt{display:flex;align-items:center;gap:14px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:16px;text-align:left;font-size:1.02rem;font-weight:600;transition:.12s}
.opt i{width:22px;height:22px;color:var(--muted);flex:none}
.opt .osub{display:block;font-weight:500;font-size:.85rem;color:var(--muted);margin-top:2px}
.opt.sel{border-color:var(--accent);background:linear-gradient(135deg,rgba(255,106,43,.13),rgba(255,46,99,.1))}
.opt.sel i{color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:flex;background:var(--card);border-radius:12px;padding:4px;gap:4px;margin:6px 0 4px}
.seg button{flex:1;padding:9px;border-radius:9px;font-weight:700;color:var(--muted);font-size:.9rem}
.seg button.on{background:var(--card2);color:var(--txt)}
.num-in{display:flex;align-items:center;gap:10px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:6px 8px;margin-top:8px}
.num-in input{flex:1;background:none;border:none;color:var(--txt);font-size:1.3rem;font-weight:800;text-align:center;padding:10px 0}
.num-in input:focus{outline:none}
.num-in button{width:44px;height:44px;border-radius:10px;background:var(--card2);font-size:1.4rem;font-weight:700;flex:none}
.num-in .unit{color:var(--muted);font-weight:700;padding-right:8px}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.chip{padding:11px 16px;border-radius:99px;background:var(--card);border:1.5px solid var(--line);font-weight:700}
.chip.sel{border-color:var(--accent);color:var(--accent)}

/* ---------- app shell ---------- */
.app{min-height:100dvh;max-width:640px;margin:0 auto;padding-bottom:78px}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;background:rgba(11,13,18,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-weight:850;font-size:1.16rem;letter-spacing:.01em}
.icon-btn{width:40px;height:40px;border-radius:11px;background:var(--card);display:grid;place-items:center}
.icon-btn i{width:20px;height:20px}
.icon-btn.pro{background:var(--grad)}
.views{padding:18px}
.view{animation:fade .2s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1}}

.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:30;max-width:640px;margin:0 auto;display:flex;
  background:rgba(15,18,26,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 0 12px;color:var(--muted2);font-size:.68rem;font-weight:700}
.tab i{width:22px;height:22px}
.tab.active{color:var(--accent)}

/* ---------- plan view ---------- */
.plan-head{margin-bottom:16px}
.plan-kicker{color:var(--accent);font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
.plan-title{font-size:1.7rem;font-weight:900;letter-spacing:-.02em;margin:2px 0 6px}
.plan-summary{color:var(--muted)}
.plan-meta{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.pill{background:var(--card);border:1px solid var(--line);padding:7px 12px;border-radius:99px;font-weight:700;font-size:.82rem}
.pill i{width:14px;height:14px;vertical-align:-2px;color:var(--accent);margin-right:4px}

.day-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden}
.day-hd{display:flex;align-items:center;justify-content:space-between;padding:16px}
.day-hd .dn{font-size:.75rem;color:var(--muted);font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.day-hd .dt{font-size:1.16rem;font-weight:800;margin-top:2px}
.day-hd .df{font-size:.82rem;color:var(--muted);margin-top:3px}
.day-hd .lock{color:var(--muted2)}
.day-hd .lock i{width:20px;height:20px}
.ex-row{display:flex;align-items:center;gap:13px;padding:11px 16px;border-top:1px solid var(--line)}
.ex-row .thumb{width:56px;height:56px;border-radius:11px;background:var(--card2);object-fit:cover;flex:none}
.ex-row .en{font-weight:700;font-size:.96rem}
.ex-row .em{font-size:.82rem;color:var(--muted);margin-top:2px}
.ex-row .chev{color:var(--muted2)}
.ex-row .chev i{width:18px;height:18px}
.ex-row .ex-main{flex:1;min-width:0}
.ex-swap{margin-left:auto;background:var(--card2);border:1px solid var(--line);color:var(--muted);width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex:none;cursor:pointer}
.ex-swap:active{transform:scale(.93)}
.ex-swap i{width:17px;height:17px}
/* swap picker */
.swap-cta{margin-top:18px;display:flex;align-items:center;justify-content:center;gap:8px}
.swap-cta i{width:18px;height:18px}
.swap-sub{color:var(--muted);font-size:.9rem;margin:2px 0 14px}
.swap-list{display:flex;flex-direction:column;gap:9px}
.swap-item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:9px 11px;cursor:pointer;color:inherit}
.swap-item:active{transform:scale(.99)}
.swap-item img,.swap-item .thumb{width:48px;height:48px;border-radius:9px;object-fit:cover;background:var(--card);flex:none}
.swap-item .si-main{display:flex;flex-direction:column;min-width:0;flex:1}
.swap-item .en{font-weight:700;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.swap-item .em{font-size:.78rem;color:var(--muted);margin-top:1px}
.swap-item>i{color:var(--accent);margin-left:auto;width:20px;height:20px;flex:none}
.locked-body{padding:22px 16px;text-align:center;color:var(--muted);border-top:1px solid var(--line)}
.locked-body i{width:26px;height:26px;color:var(--accent);margin-bottom:6px}
.locked-count{font-weight:700;color:var(--txt);margin-bottom:6px}
.unlock-cta{margin-top:20px}
.start-day{margin:2px 16px 16px;background:var(--card2);color:var(--txt);font-weight:800;padding:12px;border-radius:12px;width:calc(100% - 32px);display:flex;align-items:center;justify-content:center;gap:8px}
.start-day i{width:18px;height:18px;color:var(--accent)}

/* ---------- train view ---------- */
.train-empty{text-align:center;color:var(--muted);padding:40px 10px}
.train-empty i{width:34px;height:34px;color:var(--accent);margin-bottom:10px}
.day-picker{display:flex;gap:9px;overflow-x:auto;padding-bottom:6px;margin-bottom:16px}
.day-pick{flex:none;padding:10px 15px;border-radius:12px;background:var(--card);border:1.5px solid var(--line);font-weight:800;font-size:.9rem}
.day-pick.on{border-color:var(--accent);background:linear-gradient(135deg,rgba(255,106,43,.14),rgba(255,46,99,.11))}
.day-pick small{display:block;font-weight:600;font-size:.7rem;color:var(--muted)}
.log-ex{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden}
.log-hd{display:flex;align-items:center;gap:12px;padding:13px 15px}
.log-hd img{width:48px;height:48px;border-radius:10px;object-fit:cover;background:var(--card2);flex:none}
.log-hd .en{font-weight:800}
.log-hd .em{font-size:.8rem;color:var(--muted)}
.log-hd .done-btn{margin-left:auto;width:34px;height:34px;border-radius:9px;background:var(--card2);display:grid;place-items:center}
.log-hd .done-btn i{width:18px;height:18px}
.log-hd .done-btn.done{background:var(--ok)}
.set-row{display:flex;align-items:center;gap:8px;padding:8px 15px;border-top:1px solid var(--line)}
.set-row .sn{width:26px;color:var(--muted);font-weight:800;font-size:.85rem}
.set-row input{width:100%;background:var(--bg2);border:1.5px solid var(--line);border-radius:9px;color:var(--txt);padding:9px;font-size:1rem;font-weight:700;text-align:center}
.set-row input:focus{outline:none;border-color:var(--accent)}
.set-row .lab{font-size:.72rem;color:var(--muted2);text-align:center}
.set-row .xset{color:var(--muted2);padding:6px}
.set-cols{display:flex;gap:8px;padding:4px 15px 0;color:var(--muted2);font-size:.72rem;font-weight:700}
.set-cols span:first-child{width:26px}
.set-cols span{flex:1;text-align:center}
.add-set{width:calc(100% - 30px);margin:10px 15px;background:var(--card2);color:var(--txt);font-weight:700;padding:10px;border-radius:10px;font-size:.88rem}
.finish-bar{position:sticky;bottom:88px;padding-top:8px}

/* ---------- library ---------- */
.lib-search{position:relative;margin-bottom:16px}
.lib-search input{width:100%;background:var(--card);border:1.5px solid var(--line);border-radius:12px;color:var(--txt);padding:13px 13px 13px 42px;font-size:1rem}
.lib-search input:focus{outline:none;border-color:var(--accent)}
.lib-search i{position:absolute;left:13px;top:13px;width:20px;height:20px;color:var(--muted)}
.bp-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.bp-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 14px;text-align:left;font-weight:800;font-size:1rem;position:relative;overflow:hidden}
.bp-card img{position:absolute;right:-8px;bottom:-8px;width:64px;height:64px;object-fit:contain;opacity:.5}
.lib-back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:700;margin-bottom:14px}
.lib-back i{width:18px;height:18px}

/* ---------- history ---------- */
.hist-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px;margin-bottom:12px}
.hist-card .ht{font-weight:800}
.hist-card .hd{font-size:.8rem;color:var(--muted)}
.hist-sets{margin-top:8px;font-size:.85rem;color:var(--muted)}
.hist-sets b{color:var(--txt)}

/* ---------- exercise detail modal ---------- */
.ex-modal{max-width:520px}
#exBody h3{font-size:1.35rem;font-weight:850;margin-bottom:4px}
.ex-media{border-radius:14px;overflow:hidden;background:#000;margin:12px 0}
.ex-media video,.ex-media img{width:100%;display:block}
.ex-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}
.ex-tags span{background:var(--card2);border-radius:99px;padding:5px 11px;font-size:.78rem;font-weight:700;color:var(--muted)}
.ex-sec{font-weight:800;margin:16px 0 8px;font-size:.95rem}
.ex-steps{counter-reset:s;display:grid;gap:9px}
.ex-steps li{list-style:none;display:flex;gap:11px;color:var(--muted);font-size:.92rem}
.ex-steps li::before{counter-increment:s;content:counter(s);flex:none;width:23px;height:23px;border-radius:7px;background:var(--card2);color:var(--accent);font-weight:800;font-size:.8rem;display:grid;place-items:center}
.ex-tips{display:grid;gap:8px}
.ex-tips li{list-style:none;display:flex;gap:9px;color:var(--muted);font-size:.9rem}
.ex-tips li i{width:16px;height:16px;color:var(--accent);flex:none;margin-top:3px}
.ex-prescr{display:flex;gap:8px;margin:8px 0}
.ex-prescr .p{flex:1;background:var(--card2);border-radius:11px;padding:11px;text-align:center}
.ex-prescr .p b{display:block;font-size:1.1rem;font-weight:850}
.ex-prescr .p small{color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em}

/* ---------- modals ---------- */
.scrim{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.65);display:flex;align-items:flex-end;justify-content:center;backdrop-filter:blur(3px)}
.sheet-modal{background:var(--bg2);width:100%;max-width:560px;max-height:92dvh;overflow-y:auto;border-radius:22px 22px 0 0;padding:26px 22px calc(26px + env(safe-area-inset-bottom));position:relative;border:1px solid var(--line);border-bottom:none;animation:up .26s cubic-bezier(.2,.8,.2,1)}
@keyframes up{from{transform:translateY(30px);opacity:.6}to{transform:translateY(0);opacity:1}}
.modal-x{position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:10px;background:var(--card);display:grid;place-items:center}
.modal-x i{width:18px;height:18px}
.sheet-modal h3{font-size:1.4rem;font-weight:850;margin-bottom:8px}
.modal-sub{color:var(--muted);margin-bottom:6px}
.pro-badge{display:inline-block;background:var(--grad);color:#fff;font-weight:900;font-size:.72rem;letter-spacing:.08em;padding:6px 12px;border-radius:99px;margin-bottom:12px}
.perks{list-style:none;display:grid;gap:10px;margin:14px 0 18px}
.perks li{display:flex;gap:10px;align-items:center;color:var(--txt);font-weight:600;font-size:.95rem}
.perks li i{width:18px;height:18px;color:var(--ok);flex:none}
.plan-list{display:grid;gap:11px;margin-bottom:12px}
.plan{display:flex;align-items:center;justify-content:space-between;background:var(--card);border:2px solid var(--line);border-radius:14px;padding:15px;text-align:left}
.plan.active{border-color:var(--accent)}
.p-name{font-weight:800}.p-badge{margin-left:8px;background:var(--grad);color:#fff;font-size:.64rem;font-weight:800;padding:3px 8px;border-radius:99px;vertical-align:1px}
.p-sub{font-size:.8rem;color:var(--muted);margin-top:2px}
.p-price{font-weight:900;font-size:1.15rem;text-align:right}
.p-price small{color:var(--muted);font-weight:600;font-size:.72rem}
.trial-row{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 15px;margin-bottom:14px;font-weight:700;font-size:.92rem}
.trial-row span:first-child{flex:1}
.trial-row input{display:none}
.trial-row .switch{width:44px;height:26px;border-radius:99px;background:var(--card2);position:relative;transition:.2s;flex:none}
.trial-row .switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.2s}
.trial-row input:checked ~ .switch{background:var(--ok)}
.trial-row input:checked ~ .switch::after{transform:translateX(18px)}
.pay-sub{text-align:center;color:var(--ok);font-weight:700;font-size:.85rem;margin-top:10px}
.pay-foot{text-align:center;color:var(--muted2);font-size:.78rem;margin-top:8px}
.alt-line{text-align:center;color:var(--muted);font-size:.9rem;margin-top:16px}
.sent-note{color:var(--ok);font-weight:700;margin-top:10px;display:flex;gap:6px;align-items:center;justify-content:center}
.sent-note i{width:16px;height:16px}
.acct-email{font-weight:800;margin-top:4px}
.acct-status{margin:14px 0}
.acct-status .pill.pro{background:var(--grad);color:#fff;border:none}
.acct-status .pill.free{background:var(--card2)}
.acct-actions{display:grid;gap:10px}
.acct-actions button{padding:13px;border-radius:12px;font-weight:800}
.acct-actions .primary{background:var(--grad);color:#fff}
.acct-actions .ghost{background:var(--card)}
.acct-actions .danger{background:transparent;color:var(--muted);border:1px solid var(--line)}
.support-line{text-align:center;color:var(--muted2);font-size:.82rem;margin-top:16px}
.support-line a{color:var(--muted)}

/* ---------- toast + veil ---------- */
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);z-index:90;background:#000;border:1px solid var(--line);color:#fff;padding:12px 20px;border-radius:99px;font-weight:700;font-size:.9rem;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.veil{position:fixed;inset:0;z-index:95;background:rgba(8,10,14,.8);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--muted);font-weight:700}
.spinner{width:42px;height:42px;border:4px solid var(--card2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}