*{box-sizing:border-box}
:root{
  --bg:#f3f5f7;
  --card:#ffffff;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#dbe3ea;
  --accent:#111827;
  --accent-2:#1f2937;
  --success:#0f766e;
  --warning:#a16207;
  --danger:#b91c1c;
  --shadow:0 12px 28px rgba(15,23,42,.08);
  --radius:22px;
}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif}
body{min-height:100vh}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:inherit}
.container{width:min(1180px,calc(100% - 28px));margin:0 auto}
.hidden{display:none!important}
.topbar{
  position:sticky;top:0;z-index:5;
  background:rgba(243,245,247,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(219,227,234,.85);
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-icon{width:48px;height:48px;border-radius:16px;background:#fff;padding:6px;border:1px solid var(--line);box-shadow:var(--shadow)}
.brand-title{font-size:1.15rem;font-weight:800;letter-spacing:.01em}
.brand-sub{font-size:.85rem;color:var(--muted)}
.topbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:.84rem;font-weight:700;color:var(--accent-2)
}
.badge.success{color:var(--success);border-color:rgba(15,118,110,.18);background:rgba(15,118,110,.08)}
.badge.warning{color:var(--warning);border-color:rgba(161,98,7,.18);background:rgba(161,98,7,.08)}
.badge.danger{color:var(--danger);border-color:rgba(185,28,28,.18);background:rgba(185,28,28,.08)}
.btn{
  appearance:none;border:none;border-radius:16px;padding:12px 16px;
  background:var(--accent);color:#fff;font-weight:700;box-shadow:var(--shadow)
}
.btn:hover{filter:brightness(1.04)}
.btn.secondary{background:#fff;color:var(--accent);border:1px solid var(--line);box-shadow:none}
.btn.ghost{background:transparent;color:var(--accent);box-shadow:none;border:1px dashed var(--line)}
.btn.small{padding:9px 12px;border-radius:14px;font-size:.92rem}
.page{padding:22px 0 28px}
.hero{
  background:linear-gradient(135deg,#111827 0%,#1f2937 100%);
  color:#fff;border-radius:30px;padding:26px;box-shadow:var(--shadow);overflow:hidden
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center}
.hero h1{margin:0 0 10px;font-size:clamp(1.7rem,4vw,2.7rem);line-height:1.05}
.hero p{margin:0;color:rgba(255,255,255,.84);max-width:62ch}
.hero-logo{
  justify-self:end;background:rgba(255,255,255,.92);padding:14px;border-radius:28px;
  width:min(100%,420px)
}
.grid{display:grid;gap:18px}
.stats{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:18px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow)
}
.card.pad{padding:20px}
.card-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:14px}
.card-title{margin:0;font-size:1.1rem}
.card-sub{margin-top:4px;color:var(--muted);font-size:.95rem}
.stat-value{font-size:2rem;font-weight:900;margin-top:8px}
.stat-sub{margin-top:6px;color:var(--muted);font-size:.92rem}
.split{display:grid;grid-template-columns:1.25fr .95fr;gap:18px}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.tab-btn{
  padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--accent);font-weight:700
}
.tab-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.section{margin-top:18px}
.form-grid{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
label{font-size:.92rem;font-weight:800}
input,textarea,select{
  width:100%;border-radius:16px;border:1px solid var(--line);background:#fff;
  padding:13px 14px;color:var(--ink)
}
textarea{min-height:108px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:2px solid rgba(15,23,42,.12);border-color:#cbd5e1}
.kicker{font-size:.82rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.workout-sections{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}
.workout-box{
  border:1px solid var(--line);border-radius:20px;padding:16px;background:#fcfdff
}
.workout-box h4{margin:0 0 8px;font-size:1rem}
.workout-box p{margin:0;white-space:pre-wrap;color:#334155;line-height:1.45}
.workout-box.full{grid-column:1/-1}
.banner{
  margin-top:14px;padding:13px 15px;border-radius:18px;border:1px solid var(--line);
  background:#fff;color:var(--muted)
}
.inline-actions{display:flex;gap:10px;flex-wrap:wrap}
.list{display:grid;gap:12px}
.list-item{
  border:1px solid var(--line);border-radius:18px;padding:16px;background:#fff
}
.list-row{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;flex-wrap:wrap}
.muted{color:var(--muted)}
.strong{font-weight:800}
.small{font-size:.92rem}
.chart-list{display:grid;gap:10px}
.progress-wrap{display:grid;gap:7px}
.progress{
  width:100%;height:11px;border-radius:999px;background:#e8eef3;overflow:hidden
}
.progress > span{display:block;height:100%;background:#111827;border-radius:999px}
.ranking{display:grid;gap:12px}
.ranking-item{
  display:flex;justify-content:space-between;gap:14px;align-items:center;
  padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff
}
.number-pill{
  display:grid;place-items:center;width:38px;height:38px;border-radius:14px;
  border:1px solid var(--line);font-weight:900;background:#f8fafc
}
.flex{display:flex;gap:12px;align-items:center}
.right{margin-left:auto}
.login-wrap{display:grid;gap:18px;grid-template-columns:.9fr 1.1fr}
.notice{
  padding:13px 15px;border-radius:18px;background:rgba(15,23,42,.04);border:1px solid var(--line)
}
.notice strong{display:block;margin-bottom:6px}
hr.sep{border:none;border-top:1px solid var(--line);margin:16px 0}
.install-help{display:grid;gap:12px}
.install-help .step{padding:14px 15px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.footer-note{margin-top:18px;font-size:.9rem;color:var(--muted);text-align:center}
.metric-grid{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}
.metric{
  padding:15px;border:1px solid var(--line);border-radius:18px;background:#fff
}
.metric .value{font-size:1.45rem;font-weight:900;margin-top:5px}
.empty{padding:18px;border:1px dashed var(--line);border-radius:18px;background:#fff;color:var(--muted)}
@media (max-width:980px){
  .hero-grid,.split,.login-wrap{grid-template-columns:1fr}
  .hero-logo{justify-self:start;width:220px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .container{width:min(100% - 20px,1180px)}
  .page{padding:18px 0 24px}
  .hero{padding:20px}
  .form-grid,.workout-sections,.metric-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .brand-title{font-size:1rem}
  .brand-sub{display:none}
}

.inner-card{box-shadow:none}
.leader-item{border-color:rgba(161,98,7,.35);background:linear-gradient(180deg,#fffdf7 0%,#ffffff 100%)}
.leader-trophy{display:inline-block;margin-right:6px}
.role-note{font-size:.82rem;color:var(--muted);font-weight:700}


.locked-card{background:#f8fafc}
.notice.danger-note{background:rgba(185,28,28,.05);border-color:rgba(185,28,28,.18)}
input[readonly], textarea[readonly], select:disabled{background:#f8fafc;color:#475569;cursor:not-allowed}


.flash{margin:0 0 18px;padding:14px 16px;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.flash-success{border-color:rgba(15,118,110,.22);background:rgba(15,118,110,.08)}
.flash-warning{border-color:rgba(161,98,7,.24);background:rgba(161,98,7,.08)}
.flash-danger{border-color:rgba(185,28,28,.22);background:rgba(185,28,28,.08)}
.quick-actions{margin-top:10px}
.tips-grid{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr));margin:14px 0}
.tip-card{padding:14px 15px;border:1px solid var(--line);border-radius:18px;background:#fff}
.burpee-preview{margin:0 0 14px;padding:14px 15px;border:1px solid var(--line);border-radius:20px;background:#fcfdff}
.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:8px}
.tabs{position:sticky;top:78px;z-index:4;padding:8px 0 2px;background:linear-gradient(to bottom,rgba(243,245,247,.95),rgba(243,245,247,.72),rgba(243,245,247,0))}
.list-item .badge{font-size:.78rem}
@media (max-width:720px){
  .tabs{top:72px;overflow:auto;white-space:nowrap;padding-bottom:6px}
  .tips-grid,.preview-grid{grid-template-columns:1fr}
  .tab-btn{flex:0 0 auto}
}