/* =========================================================
   PickleCall.hk — Design System
   Brand: pickleball green + optic yellow + deep court navy
   ========================================================= */
:root{
  /* Brand */
  --green-900:#0B2E22;
  --green-800:#12402F;
  --green-700:#155E43;
  --green-600:#1A7A54;
  --green-500:#22996A;
  --green-400:#3DBE85;
  --green-100:#E3F5EC;
  --green-50:#F1FAF5;

  --yellow-500:#D7F200; /* optic ball */
  --yellow-400:#E4FF3F;
  --yellow-100:#F6FFC9;

  --ink-900:#0C1418;
  --ink-800:#16232B;
  --ink-700:#26363F;
  --ink-500:#5A6C76;
  --ink-400:#8698A1;
  --ink-200:#DCE4E8;
  --ink-100:#EDF2F4;
  --ink-50:#F6F9FA;

  --white:#FFFFFF;
  --red-500:#E5484D;
  --amber-500:#F5A524;
  --blue-500:#2F80ED;

  /* Semantic */
  --bg:var(--ink-50);
  --surface:var(--white);
  --text:var(--ink-900);
  --text-muted:var(--ink-500);
  --line:var(--ink-200);
  --brand:var(--green-700);
  --brand-strong:var(--green-800);
  --accent:var(--yellow-500);

  /* Type */
  --font:"Inter","Noto Sans HK","PingFang HK","Microsoft JhengHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --fs-xs:.75rem; --fs-sm:.875rem; --fs-md:1rem; --fs-lg:1.125rem;
  --fs-xl:1.375rem; --fs-2xl:1.75rem; --fs-3xl:2.25rem; --fs-4xl:3rem; --fs-5xl:3.75rem;

  /* Space */
  --s1:.25rem; --s2:.5rem; --s3:.75rem; --s4:1rem; --s5:1.5rem;
  --s6:2rem; --s7:3rem; --s8:4rem; --s9:6rem;

  /* Radius & shadow */
  --r-sm:8px; --r-md:14px; --r-lg:22px; --r-xl:32px; --r-pill:999px;
  --sh-sm:0 1px 2px rgba(12,20,24,.06),0 1px 3px rgba(12,20,24,.05);
  --sh-md:0 4px 14px rgba(12,20,24,.07),0 2px 6px rgba(12,20,24,.05);
  --sh-lg:0 18px 40px -12px rgba(12,20,24,.22);
  --sh-xl:0 30px 70px -20px rgba(11,46,34,.35);

  --container:1200px;
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:var(--fs-md);line-height:1.6;
  color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800}
h1{font-size:var(--fs-4xl)}
h2{font-size:var(--fs-3xl)}
h3{font-size:var(--fs-xl)}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--green-400);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--s5)}
.section{padding:var(--s8) 0}
.section-tight{padding:var(--s7) 0}
.center{text-align:center}
.muted{color:var(--text-muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;font-size:var(--fs-xs);
  font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--green-600);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:var(--brand);--btn-fg:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.35rem;border-radius:var(--r-pill);border:1.5px solid transparent;
  background:var(--btn-bg);color:var(--btn-fg);font-weight:700;font-size:var(--fs-sm);
  cursor:pointer;transition:.18s ease;white-space:nowrap;line-height:1;
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn:active{transform:translateY(0)}
.btn-lg{padding:1rem 1.9rem;font-size:var(--fs-md)}
.btn-sm{padding:.55rem .95rem;font-size:var(--fs-xs)}
.btn-accent{--btn-bg:var(--accent);--btn-fg:var(--green-900)}
.btn-ghost{--btn-bg:transparent;--btn-fg:var(--text);border-color:var(--line)}
.btn-ghost:hover{--btn-bg:var(--ink-100)}
.btn-light{--btn-bg:rgba(255,255,255,.14);--btn-fg:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(8px)}
.btn-white{--btn-bg:#fff;--btn-fg:var(--green-800)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- Badges / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .65rem;border-radius:var(--r-pill);
  font-size:var(--fs-xs);font-weight:700;background:var(--green-100);color:var(--green-700)}
.badge-yellow{background:var(--yellow-100);color:#6b7a00}
.badge-amber{background:#FFF3DC;color:#8a5a00}
.badge-blue{background:#E7F1FE;color:#1c5cb0}
.badge-red{background:#FDE8E8;color:#b02a2e}
.badge-dark{background:var(--ink-800);color:#fff}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:var(--s5);height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:900;font-size:1.15rem;letter-spacing:-.03em}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--green-600),var(--green-800));box-shadow:var(--sh-sm)}
.brand-mark svg{width:20px;height:20px}
.brand span{color:var(--green-700)}
.nav-links{display:flex;gap:.25rem;margin-left:auto;align-items:center}
.nav-links a{padding:.55rem .8rem;border-radius:var(--r-pill);font-size:var(--fs-sm);font-weight:600;color:var(--ink-700)}
.nav-links a:hover{background:var(--ink-100)}
.nav-links a.active{background:var(--green-100);color:var(--green-700)}
.nav-cta{display:flex;align-items:center;gap:.6rem;margin-left:var(--s4)}
.nav-burger{display:none;margin-left:auto;background:none;border:0;padding:.5rem;cursor:pointer}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink-800);margin:5px 0;border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 500px at 78% -10%,rgba(34,153,106,.30),transparent 60%),
  radial-gradient(700px 400px at 5% 110%,rgba(215,242,0,.16),transparent 60%),
  linear-gradient(160deg,var(--green-900),#071b14 70%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;background-image:
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(circle at 60% 40%,#000,transparent 72%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:var(--s7);
  align-items:center;padding:var(--s9) var(--s5) var(--s8)}
.hero-inner>*,.grid>*{min-width:0}
.home-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--s7);align-items:center}
.home-split>*{min-width:0}
.court .card-body>.row:last-child{flex-wrap:wrap}
.hero h1{color:#fff;font-size:var(--fs-5xl)}
.hero .lead{color:rgba(255,255,255,.82);font-size:var(--fs-lg);max-width:34ch}
.hero .eyebrow{color:var(--yellow-400)}
.hero-actions{display:flex;gap:var(--s3);flex-wrap:wrap;margin-top:var(--s5)}
.hero-stats{display:flex;gap:var(--s6);margin-top:var(--s7);flex-wrap:wrap}
.hero-stat b{display:block;color:#fff;font-size:var(--fs-2xl);font-weight:900}
.hero-stat span{color:rgba(255,255,255,.62);font-size:var(--fs-xs);letter-spacing:.05em;text-transform:uppercase}

.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-xl);padding:var(--s5);backdrop-filter:blur(16px);box-shadow:var(--sh-xl)}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;color:#fff;margin-bottom:var(--s4)}
.hero-card-head b{font-size:var(--fs-sm);letter-spacing:.02em}
.dot-live{display:inline-flex;align-items:center;gap:.4rem;font-size:var(--fs-xs);color:var(--yellow-400);font-weight:700}
.dot-live i{width:7px;height:7px;border-radius:50%;background:var(--yellow-400);box-shadow:0 0 0 4px rgba(215,242,0,.2);animation:pulse 1.8s infinite}
@keyframes pulse{50%{opacity:.4}}

/* Court mini-map used in hero */
.mini-court{position:relative;aspect-ratio:2/1;border-radius:var(--r-md);overflow:hidden;
  background:linear-gradient(180deg,#1f5f8b,#17456a);border:3px solid rgba(255,255,255,.75)}
.mini-court::before{content:"";position:absolute;inset:0;background:
  linear-gradient(transparent 49.4%,rgba(255,255,255,.85) 49.4%,rgba(255,255,255,.85) 50.6%,transparent 50.6%),
  linear-gradient(90deg,transparent 49.6%,rgba(255,255,255,.85) 49.6%,rgba(255,255,255,.85) 50.4%,transparent 50.4%)}
.mini-court .nvz{position:absolute;top:0;bottom:0;width:14%;border-right:2px solid rgba(255,255,255,.85);
  border-left:2px solid rgba(255,255,255,.85)}
.mini-court .nvz.l{left:12%}
.mini-court .nvz.r{right:12%}
.ball-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--yellow-400);
  box-shadow:0 0 0 5px rgba(215,242,0,.28);animation:ballmove 4s ease-in-out infinite}
@keyframes ballmove{0%{left:22%;top:62%}30%{left:66%;top:26%}55%{left:47%;top:74%}80%{left:78%;top:44%}100%{left:22%;top:62%}}
.trail{position:absolute;height:2px;background:linear-gradient(90deg,transparent,var(--yellow-400));opacity:.6;
  transform-origin:left;animation:fade 4s ease-in-out infinite}
@keyframes fade{0%,100%{opacity:0}40%{opacity:.7}}

.hero-readout{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3);margin-top:var(--s4)}
.readout{background:rgba(0,0,0,.22);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-sm);padding:.65rem .8rem}
.readout span{display:block;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.readout b{color:#fff;font-size:var(--fs-lg);font-variant-numeric:tabular-nums}
.readout b em{font-style:normal;font-size:.7rem;color:var(--yellow-400);margin-left:.15rem}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:var(--s5)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:.2s ease;box-shadow:var(--sh-sm)}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--green-400)}
.card-body{padding:var(--s5)}
.card-pad{padding:var(--s6)}
.feature{padding:var(--s6);border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line)}
.feature .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:var(--s4);
  background:var(--green-100);color:var(--green-700)}
.feature .ic svg{width:23px;height:23px}
.feature h3{margin-bottom:.35rem}
.feature p{margin:0;color:var(--text-muted);font-size:var(--fs-sm)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--s5);margin-bottom:var(--s6);flex-wrap:wrap}
.section-head h2{margin:0}
.section-head p{margin:.4rem 0 0;color:var(--text-muted);max-width:60ch}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:var(--s5);grid-template-columns:repeat(3,1fr)}
.step{position:relative;padding:var(--s6) var(--s5) var(--s5);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:-18px;left:var(--s5);
  font-size:1.5rem;font-weight:900;color:#fff;background:var(--green-700);border-radius:10px;padding:.2rem .6rem;box-shadow:var(--sh-sm)}

/* ---------- Spec table / k/v ---------- */
.kv{display:flex;justify-content:space-between;gap:var(--s4);padding:.75rem 0;border-bottom:1px dashed var(--line);font-size:var(--fs-sm)}
.kv:last-child{border-bottom:0}
.kv span{color:var(--text-muted)}
.kv b{font-variant-numeric:tabular-nums}

/* ---------- Filters ---------- */
.toolbar{display:flex;gap:var(--s3);flex-wrap:wrap;align-items:center;margin-bottom:var(--s5)}
.field{display:flex;flex-direction:column;gap:.35rem;min-width:0}
.field label{font-size:var(--fs-xs);font-weight:700;color:var(--ink-700);letter-spacing:.03em}
.input,.select,textarea.input{
  width:100%;padding:.72rem .9rem;border:1.5px solid var(--line);border-radius:var(--r-md);background:#fff;
  font-size:var(--fs-sm);color:var(--text);transition:.15s}
.input:focus,.select:focus,textarea.input:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 4px var(--green-100)}
.search{position:relative;flex:1;min-width:220px}
.search .input{padding-left:2.4rem}
.search svg{position:absolute;left:.85rem;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--ink-400)}
.chips{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{padding:.45rem .85rem;border-radius:var(--r-pill);border:1.5px solid var(--line);background:#fff;
  font-size:var(--fs-xs);font-weight:700;cursor:pointer;color:var(--ink-700);transition:.15s}
.chip:hover{border-color:var(--green-400)}
.chip.on{background:var(--green-700);border-color:var(--green-700);color:#fff}

/* ---------- Court card ---------- */
.court{display:flex;flex-direction:column}
.court .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-100)}
.court .thumb .ph{width:100%;height:100%;object-fit:cover}
.court .thumb .flag{position:absolute;top:.7rem;left:.7rem}
.court .thumb .fee{position:absolute;top:.7rem;right:.7rem;background:rgba(11,46,34,.86);color:#fff;
  font-weight:800;font-size:var(--fs-xs);padding:.3rem .6rem;border-radius:var(--r-pill)}
.court .meta{display:flex;align-items:center;gap:.5rem;color:var(--text-muted);font-size:var(--fs-xs);margin-bottom:.5rem}
.court h3{font-size:var(--fs-lg);margin-bottom:.35rem}
.facility-list{display:flex;gap:.35rem;flex-wrap:wrap;margin-top:var(--s3)}
.facility-list svg{width:1em;height:1em;vertical-align:middle}
.facility-list span{font-size:.68rem;font-weight:700;padding:.25rem .5rem;border-radius:6px;background:var(--ink-100);color:var(--ink-700)}

/* ---------- Trainer card ---------- */
.trainer{display:flex;gap:var(--s4);align-items:flex-start;padding:var(--s5);background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);transition:.2s}
.trainer:hover{box-shadow:var(--sh-md);border-color:var(--green-400)}
.avatar{width:60px;height:60px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  color:#fff;font-weight:900;font-size:1.15rem;background:linear-gradient(150deg,var(--green-500),var(--green-800))}
.avatar.sq{border-radius:16px}
.stars{color:var(--amber-500);font-size:var(--fs-sm);letter-spacing:1px}

/* ---------- Product / shop ---------- */
.product .thumb{position:relative;aspect-ratio:1/1;background:linear-gradient(160deg,var(--ink-50),var(--ink-100));
  display:grid;place-items:center;overflow:hidden}
.product .thumb svg{width:46%;height:46%;opacity:.85}
.product .badge{position:absolute;top:.7rem;left:.7rem}
.price{font-weight:900;font-size:var(--fs-lg);color:var(--green-800);font-variant-numeric:tabular-nums}
.price s{color:var(--ink-400);font-weight:600;font-size:var(--fs-sm);margin-left:.4rem}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:var(--r-pill);overflow:hidden}
.qty button{border:0;background:#fff;width:32px;height:32px;cursor:pointer;font-weight:800;color:var(--ink-700)}
.qty button:hover{background:var(--ink-100)}
.qty span{min-width:34px;text-align:center;font-weight:700;font-size:var(--fs-sm)}

.row-ic{width:24px;height:24px;display:inline-grid;place-items:center;color:var(--green-600);flex:0 0 auto}
.row-ic svg{width:22px;height:22px}

/* ---------- Cart drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,20,24,.5);opacity:0;visibility:hidden;transition:.25s;z-index:90}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(420px,92vw);background:#fff;z-index:91;
  transform:translateX(102%);transition:.3s cubic-bezier(.4,0,.2,1);display:none;flex-direction:column;box-shadow:var(--sh-xl)}
.drawer.open{display:flex;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:var(--s5);border-bottom:1px solid var(--line)}
.drawer-body{flex:1;overflow:auto;padding:var(--s5);display:flex;flex-direction:column;gap:var(--s4)}
.drawer-foot{padding:var(--s5);border-top:1px solid var(--line);background:var(--ink-50)}
.cart-item{display:flex;gap:var(--s3);align-items:center}
.cart-item .ci-img{width:56px;height:56px;border-radius:12px;background:var(--ink-100);display:grid;place-items:center;flex:0 0 auto}
.cart-item .ci-img svg{width:28px;height:28px;opacity:.7}
.cart-item b{display:block;font-size:var(--fs-sm)}
.icon-btn{border:0;background:var(--ink-100);border-radius:50%;width:34px;height:34px;cursor:pointer;
  display:grid;place-items:center;color:var(--ink-700)}
.icon-btn:hover{background:var(--ink-200)}
.cart-fab{position:relative}
.cart-count{position:absolute;top:-6px;right:-6px;background:var(--accent);color:var(--green-900);
  font-size:.65rem;font-weight:900;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 4px}

/* ---------- Upload / analysis ---------- */
.dropzone{border:2.5px dashed var(--green-400);border-radius:var(--r-lg);background:var(--green-50);
  padding:var(--s8) var(--s5);text-align:center;cursor:pointer;transition:.2s}
.dropzone:hover{background:var(--green-100);border-color:var(--green-600)}
.dropzone .ic{width:64px;height:64px;margin:0 auto var(--s4);border-radius:50%;background:#fff;
  display:grid;place-items:center;box-shadow:var(--sh-sm);color:var(--green-700)}
.dropzone .ic svg{width:30px;height:30px}
.progress{height:10px;border-radius:var(--r-pill);background:var(--ink-100);overflow:hidden}
.progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green-600),var(--accent));
  width:0;transition:width .4s ease}
.stage{display:flex;align-items:center;gap:.7rem;padding:.7rem .9rem;border-radius:var(--r-md);background:var(--surface);
  border:1px solid var(--line);font-size:var(--fs-sm);opacity:.5;transition:.25s}
.stage.active{opacity:1;border-color:var(--green-400);box-shadow:var(--sh-sm)}
.stage.done{opacity:1}
.stage .st-ic{width:26px;height:26px;border-radius:50%;background:var(--ink-100);display:grid;place-items:center;flex:0 0 auto;font-size:.75rem}
.stage.done .st-ic{background:var(--green-600);color:#fff}
.stage.active .st-ic{background:var(--yellow-500);color:var(--green-900)}
.result-tile{background:var(--green-900);color:#fff;border-radius:var(--r-lg);padding:var(--s5)}
.result-tile span{font-size:var(--fs-xs);letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.result-tile b{display:block;font-size:var(--fs-3xl);font-weight:900;font-variant-numeric:tabular-nums;line-height:1.1}
.result-tile b em{font-style:normal;font-size:var(--fs-sm);color:var(--accent);margin-left:.2rem}

/* ---------- Forms / auth ---------- */
.auth{display:grid;grid-template-columns:1fr 1fr;min-height:calc(100vh - var(--nav-h))}
.auth-aside{background:linear-gradient(160deg,var(--green-900),#071b14);color:#fff;padding:var(--s8);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center}
.auth-aside::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 20%,rgba(34,153,106,.4),transparent 55%);pointer-events:none}
.auth-aside .inner{position:relative;z-index:2;max-width:36ch}
.auth-aside h2{color:#fff}
.auth-aside .checks{margin-top:var(--s5);display:flex;flex-direction:column;gap:var(--s3)}
.auth-aside .checks div{display:flex;gap:.6rem;align-items:flex-start;color:rgba(255,255,255,.85);font-size:var(--fs-sm)}
.auth-aside .checks svg{width:18px;height:18px;color:var(--accent);flex:0 0 auto;margin-top:3px}
.auth-main{display:flex;align-items:center;justify-content:center;padding:var(--s7) var(--s5)}
.auth-form{width:100%;max-width:400px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s4)}
.switch{display:flex;align-items:center;gap:.5rem;font-size:var(--fs-sm);color:var(--text-muted)}
.tabs{display:flex;background:var(--ink-100);border-radius:var(--r-pill);padding:4px;margin-bottom:var(--s5)}
.tabs button{flex:1;border:0;background:none;padding:.6rem;border-radius:var(--r-pill);font-weight:700;
  font-size:var(--fs-sm);color:var(--ink-500);cursor:pointer}
.tabs button.on{background:#fff;color:var(--green-800);box-shadow:var(--sh-sm)}

/* ---------- Utility ---------- */
.stack{display:flex;flex-direction:column}
.gap2{gap:var(--s2)}.gap3{gap:var(--s3)}.gap4{gap:var(--s4)}.gap5{gap:var(--s5)}.gap6{gap:var(--s6)}
.row{display:flex;align-items:center}
.between{justify-content:space-between}
.wrap{flex-wrap:wrap}
.mt3{margin-top:var(--s3)}.mt4{margin-top:var(--s4)}.mt5{margin-top:var(--s5)}.mt6{margin-top:var(--s6)}.mt7{margin-top:var(--s7)}
.mb4{margin-bottom:var(--s4)}.mb5{margin-bottom:var(--s5)}.mb6{margin-bottom:var(--s6)}
.hide{display:none!important}
.divider{height:1px;background:var(--line);margin:var(--s6) 0}
.note{background:var(--yellow-100);border-left:4px solid var(--amber-500);border-radius:0 var(--r-md) var(--r-md) 0;
  padding:var(--s4) var(--s5);font-size:var(--fs-sm)}
.note.green{background:var(--green-100);border-color:var(--green-600)}

/* ---------- Footer ---------- */
.footer{background:var(--green-900);color:rgba(255,255,255,.72);padding:var(--s8) 0 var(--s5);margin-top:var(--s8)}
.footer h4{color:#fff;font-size:var(--fs-sm);letter-spacing:.06em;text-transform:uppercase;margin-bottom:var(--s4)}
.footer a{font-size:var(--fs-sm);color:rgba(255,255,255,.72)}
.footer a:hover{color:#fff}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--s6)}
.footer .bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:var(--s7);padding-top:var(--s5);
  display:flex;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;font-size:var(--fs-xs)}
.footer .social{display:flex;gap:.6rem}
.footer .social a{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);display:grid;place-items:center}

/* ---------- Breadcrumb / page head ---------- */
.page-head{background:linear-gradient(160deg,var(--green-900),var(--green-800));color:#fff;padding:var(--s7) 0}
.page-head h1{color:#fff;font-size:var(--fs-3xl);margin-bottom:.3rem}
.page-head p{color:rgba(255,255,255,.75);margin:0;max-width:62ch}
.crumb{font-size:var(--fs-xs);color:rgba(255,255,255,.6);margin-bottom:var(--s3)}
.crumb a:hover{color:#fff}

/* ---------- Auth: social + form controls ---------- */
.social-auth{display:grid;gap:var(--s3)}
.oauth{display:flex;align-items:center;justify-content:center;gap:.6rem;width:100%;padding:.8rem 1rem;border-radius:var(--r-md);
  border:1.5px solid var(--line);background:#fff;font-weight:800;font-size:var(--fs-sm);cursor:pointer;transition:.15s;color:var(--ink-800)}
.oauth:hover{transform:translateY(-1px);box-shadow:var(--sh-sm);border-color:var(--ink-200)}
.oauth.facebook{background:#1877F2;border-color:#1877F2;color:#fff}
.oauth.facebook:hover{filter:brightness(1.06)}
.pw-wrap{position:relative}
.pw-wrap .input{padding-right:2.8rem}
.pw-eye{position:absolute;right:.6rem;top:50%;transform:translateY(-50%);border:0;background:none;cursor:pointer;font-size:1rem;line-height:1;opacity:.6;padding:.3rem}
.pw-eye:hover{opacity:1}
.pw-meter{height:6px;border-radius:999px;background:var(--ink-100);overflow:hidden}
.pw-meter i{display:block;height:100%;width:0;border-radius:inherit;background:var(--red-500);transition:.25s}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;background:var(--ink-100);padding:4px;border-radius:var(--r-pill)}
.seg label{position:relative;margin:0}
.seg input{position:absolute;opacity:0;inset:0;cursor:pointer}
.seg label span{display:block;text-align:center;padding:.55rem .3rem;border-radius:var(--r-pill);font-size:var(--fs-sm);font-weight:700;color:var(--ink-500);transition:.15s}
.seg input:checked+span{background:#fff;color:var(--green-800);box-shadow:var(--sh-sm)}
.seg input:focus-visible+span{outline:3px solid var(--green-400);outline-offset:2px}

/* ---------- Leaderboard ---------- */
.lb-hero{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s4)}
.lb-stat{background:linear-gradient(160deg,var(--green-800),var(--green-900));color:#fff;border-radius:var(--r-lg);padding:var(--s5)}
.lb-stat span{font-size:var(--fs-xs);letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.lb-stat b{display:block;font-size:var(--fs-2xl);font-weight:900;font-variant-numeric:tabular-nums;margin-top:.25rem}
.lb-stat b em{font-style:normal;font-size:var(--fs-sm);color:var(--accent);margin-left:.2rem}
.lb-stat.alt{background:linear-gradient(160deg,var(--green-600),var(--green-700))}
.rank-no{font-weight:900;font-variant-numeric:tabular-nums;color:var(--ink-500);width:34px;display:inline-block}
.rank-no.top1{color:#c9962b}.rank-no.top2{color:#8a97a1}.rank-no.top3{color:#a5703f}
.lb-you td{background:var(--yellow-100)!important}
.lb-you .rank-no{color:var(--green-800)}
.trend-up{color:#0a7a4a;font-weight:800}
.trend-dn{color:#b02a2e;font-weight:800}
.trend-eq{color:var(--ink-400);font-weight:800}
.medal{font-size:1.05rem}
.lb-avat{width:30px;height:30px;border-radius:50%;display:inline-grid;place-items:center;color:#fff;font-weight:800;font-size:.72rem;background:linear-gradient(150deg,var(--green-500),var(--green-800));vertical-align:middle;margin-right:.5rem}

/* ---------- Charts ---------- */
.chart{display:grid;gap:.4rem}
.bars{display:flex;align-items:flex-end;gap:.5rem;height:150px;padding-top:.5rem}
.bars .bar{flex:1;background:linear-gradient(180deg,var(--green-500),var(--green-700));border-radius:6px 6px 0 0;position:relative;min-height:6px;transition:height .4s}
.bars .bar.hi{background:linear-gradient(180deg,var(--accent),#b9d400)}
.bars .bar em{position:absolute;top:-1.25rem;left:50%;transform:translateX(-50%);font-size:.68rem;font-weight:800;color:var(--ink-700);font-style:normal;white-space:nowrap}
.bars-x{display:flex;gap:.5rem}
.bars-x span{flex:1;text-align:center;font-size:.68rem;color:var(--text-muted)}
.hbars{display:grid;gap:.6rem}
.hbar{display:grid;grid-template-columns:84px 1fr 54px;gap:.6rem;align-items:center;font-size:var(--fs-xs)}
.hbar .track{height:12px;border-radius:6px;background:var(--ink-100);overflow:hidden}
.hbar .track i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--green-500),var(--green-700))}
.hbar b{text-align:right;font-variant-numeric:tabular-nums}
.donut{display:flex;align-items:center;gap:var(--s5)}
.donut .ring{width:132px;height:132px;border-radius:50%;flex:0 0 auto;position:relative}
.donut .ring::after{content:"";position:absolute;inset:24px;background:#fff;border-radius:50%}
.donut .ring b{position:absolute;inset:0;display:grid;place-items:center;z-index:2;font-size:var(--fs-lg);font-weight:900;color:var(--green-800)}
.donut .legend{display:grid;gap:.4rem;font-size:var(--fs-xs)}
.donut .legend div{display:flex;align-items:center;gap:.5rem}
.dot{width:10px;height:10px;border-radius:3px;display:inline-block}
.areachart{height:150px;width:100%}
.areachart svg{width:100%;height:100%}

/* ---------- Video ball tracking ---------- */
.vt{position:relative;border-radius:var(--r-md);overflow:hidden;background:#0b2e22}
.vt .stage{position:relative;aspect-ratio:16/10;background:linear-gradient(180deg,#1f5f8b,#123f60)}
.vt .stage::before{content:"";position:absolute;inset:0;background:
  linear-gradient(transparent 49.4%,rgba(255,255,255,.7) 49.4%,rgba(255,255,255,.7) 50.6%,transparent 50.6%),
  linear-gradient(90deg,transparent 49.6%,rgba(255,255,255,.7) 49.6%,rgba(255,255,255,.7) 50.4%,transparent 50.4%)}
.vt svg.traj{position:absolute;inset:0;width:100%;height:100%}
.vt .bbox{position:absolute;width:34px;height:34px;border:3px solid var(--accent);border-radius:6px;box-shadow:0 0 0 2px rgba(215,242,0,.3);transition:opacity .2s}
.vt .bbox::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;background:var(--accent);border-radius:50%;transform:translate(-50%,-50%)}
.vt .pbox{position:absolute;border:2.5px dashed #3dffa6;border-radius:8px;opacity:.9}
.vt .hud{position:absolute;top:.6rem;left:.6rem;display:flex;gap:.5rem;flex-wrap:wrap}
.vt .hud span{background:rgba(0,0,0,.55);color:#fff;font-size:var(--fs-xs);font-weight:700;padding:.25rem .55rem;border-radius:6px;font-variant-numeric:tabular-nums}
.vt .hud span b{color:var(--accent)}
.vt-bar{display:flex;align-items:center;gap:var(--s4);padding:var(--s4);background:#071b14;color:#fff;flex-wrap:wrap}
.vt-bar .trace{flex:1;min-width:140px}
.vt-bar .trace span{font-size:var(--fs-xs);color:rgba(255,255,255,.6)}
.vt-bar .trace b{display:block;font-size:var(--fs-xl);font-weight:900;font-variant-numeric:tabular-nums}
.vt-legend{display:flex;gap:var(--s4);flex-wrap:wrap;font-size:var(--fs-xs);color:var(--text-muted);margin-top:var(--s3)}

/* ---------- Share modal & brag card ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(12,20,24,.62);opacity:0;visibility:hidden;transition:.25s;z-index:120;display:grid;place-items:center;padding:var(--s5)}
.modal-mask.open{opacity:1;visibility:visible}
.modal{background:#fff;border-radius:var(--r-xl);width:min(520px,94vw);max-height:92vh;overflow:auto;box-shadow:var(--sh-xl);transform:translateY(14px) scale(.98);transition:.25s}
.modal-mask.open .modal{transform:none}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--s4);padding:var(--s5) var(--s5) 0}
.modal-body{padding:var(--s5)}
.share-btns{display:grid;grid-template-columns:1fr 1fr;gap:var(--s3)}
.sbtn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1rem;border-radius:var(--r-md);border:0;cursor:pointer;font-weight:800;font-size:var(--fs-sm);color:#fff;transition:.15s}
.sbtn:hover{transform:translateY(-1px);filter:brightness(1.06)}
.sbtn.fb{background:#1877F2}.sbtn.ig{background:linear-gradient(45deg,#F58529,#DD2A7B,#8134AF,#515BD4)}
.sbtn.save{background:var(--green-700)}.sbtn.copy{background:var(--ink-800)}
.sbtn.wide{grid-column:1 / -1}

.bragcard{position:relative;border-radius:var(--r-lg);overflow:hidden;color:#fff;padding:var(--s6);
  background:radial-gradient(120% 120% at 85% 0,rgba(61,190,133,.55),transparent 55%),linear-gradient(160deg,#0B2E22,#062018);
  box-shadow:var(--sh-lg);border:1px solid rgba(255,255,255,.12)}
.bragcard::after{content:"";position:absolute;inset:0;opacity:.5;background-image:
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:38px 38px;mask-image:radial-gradient(circle at 70% 20%,#000,transparent 70%)}
.bragcard>*{position:relative;z-index:2}
.bragcard .bc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--s4)}
.bragcard .bc-brand{display:flex;align-items:center;gap:.5rem;font-weight:900;letter-spacing:-.02em}
.bragcard .bc-brand i{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(150deg,var(--green-500),var(--green-800))}
.bragcard .bc-brand i svg{width:17px;height:17px}
.bragcard .bc-tag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:800}
.bragcard .bc-num{font-size:4.6rem;line-height:.95;font-weight:900;letter-spacing:-.03em;font-variant-numeric:tabular-nums;text-shadow:0 6px 26px rgba(0,0,0,.4)}
.bragcard .bc-num em{font-style:normal;font-size:1.4rem;color:var(--accent);margin-left:.2rem}
.bragcard .bc-label{font-size:var(--fs-sm);color:rgba(255,255,255,.75);letter-spacing:.1em;text-transform:uppercase;margin-top:.2rem}
.bragcard .bc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3);margin-top:var(--s5)}
.bragcard .bc-grid div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-sm);padding:.6rem .7rem}
.bragcard .bc-grid span{display:block;font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.bragcard .bc-grid b{font-size:var(--fs-lg);font-weight:900;font-variant-numeric:tabular-nums}
.bragcard .bc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:var(--s5);padding-top:var(--s4);border-top:1px solid rgba(255,255,255,.14);font-size:var(--fs-xs);color:rgba(255,255,255,.7)}
.bragcard .bc-foot b{color:#fff}

@media (max-width:980px){
  .lb-hero{grid-template-columns:1fr 1fr}
  .share-btns{grid-template-columns:1fr}
  .bragcard .bc-num{font-size:3.6rem}
}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-inner{grid-template-columns:minmax(0,1fr);padding:var(--s7) var(--s5)}
  .home-split{grid-template-columns:minmax(0,1fr)}
  .hero h1{font-size:var(--fs-3xl)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3,.steps{grid-template-columns:1fr 1fr}
  .auth{grid-template-columns:1fr}
  .auth-aside{display:none}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  h1{font-size:var(--fs-2xl)} h2{font-size:var(--fs-xl)}
  .nav-links{display:none}
  .nav-burger{display:block}
  .g2,.g3,.g4,.steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-readout{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  .nav.mobile .nav-inner{height:auto;min-height:var(--nav-h);flex-wrap:wrap;padding-top:var(--s4);padding-bottom:var(--s4);gap:var(--s4)}
  .nav.mobile .nav-links{display:flex;flex-direction:column;position:static;order:3;width:100%;margin-left:0;
    padding:var(--s3) 0;border-bottom:1px solid var(--line);align-items:stretch}
  .nav-cta{display:none}
  .nav.mobile .nav-cta{display:flex;order:4;width:100%;margin-left:0;flex-wrap:wrap}
  #homeBoard>.row,.section-head>.row{flex-wrap:wrap}
}
/* Prototype context stays visible without changing the supplied layout. */
.preview-banner{background:var(--green-50);border-bottom:1px solid var(--line);color:var(--green-800);padding:.8rem 0;font-size:var(--fs-xs);line-height:1.7}