/* =========================================================================
   BURN-EX — CORE STYLESHEET
   Design tokens + base styles + components shared across every page.
   ========================================================================= */
:root{
  --bg:            #12151A;
  --bg-elev:       #191D24;
  --bg-card:       #1E232B;
  --border:        #2A303A;
  --ember:         #FF6A39;
  --ember-soft:    rgba(255,106,57,.14);
  --teal:          #29C6B7;
  --teal-soft:     rgba(41,198,183,.14);
  --danger:        #EF476F;
  --gold:          #F2C744;
  --text:          #EEF1F5;
  --text-dim:      #8B93A1;
  --text-faint:    #5B6270;
  --font-d: 'Space Grotesk', sans-serif;
  --font-b: 'Inter', sans-serif;
  --font-m: 'JetBrains Mono', monospace;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-b);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,.font-d{font-family:var(--font-d);letter-spacing:-.01em;}
.mono{font-family:var(--font-m);}
.text-dim{color:var(--text-dim)!important;}
.text-faint{color:var(--text-faint)!important;}
.text-ember{color:var(--ember)!important;}
.text-teal{color:var(--teal)!important;}
.text-gold{color:var(--gold)!important;}
a{color:var(--teal);text-decoration:none;}
::selection{background:var(--ember);color:#12151A;}

::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:#2A303A;border-radius:4px;}
::-webkit-scrollbar-track{background:transparent;}

/* ===== Brand ===== */
.brand-mark{display:flex;align-items:center;gap:.6rem;font-family:var(--font-d);font-weight:700;font-size:1.7rem;}
.brand-mark .flame{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(145deg,var(--ember),#FF9366);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;box-shadow:0 6px 18px rgba(255,106,57,.35);
}

/* ===== Forms & buttons ===== */
.form-control,.form-select{
  background:var(--bg-elev);border:1px solid var(--border);color:var(--text);
  border-radius:9px;padding:.6rem .8rem;font-size:.92rem;
}
.form-control:focus,.form-select:focus{
  background:var(--bg-elev);color:var(--text);border-color:var(--ember);
  box-shadow:0 0 0 3px var(--ember-soft);
}
.form-label{font-size:.78rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.35rem;}
.btn-ember{
  background:linear-gradient(135deg,var(--ember),#FF8A5B);
  border:none;color:#1a0f08;font-weight:700;font-family:var(--font-d);
  border-radius:9px;padding:.65rem 1rem;transition:.15s;
}
.btn-ember:hover{filter:brightness(1.08);color:#1a0f08;}
.btn-outline-teal{border:1px solid var(--teal);color:var(--teal);border-radius:9px;font-weight:600;}
.btn-outline-teal:hover{background:var(--teal-soft);color:var(--teal);}
.btn-outline-danger-soft{border:1px solid var(--danger);color:var(--danger);border-radius:9px;font-weight:600;background:transparent;}
.btn-outline-danger-soft:hover{background:rgba(239,71,111,.12);color:var(--danger);}

/* ===== Auth screen (index.html) ===== */
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;
  background:
    radial-gradient(circle at 15% 20%, var(--ember-soft), transparent 40%),
    radial-gradient(circle at 85% 80%, var(--teal-soft), transparent 40%),
    var(--bg);
  padding:2rem 1rem;
}
.auth-card{
  width:100%;max-width:440px;background:var(--bg-card);border:1px solid var(--border);
  border-radius:18px;padding:2.2rem;box-shadow:0 30px 60px rgba(0,0,0,.4);
}
.auth-tabs{display:flex;background:var(--bg-elev);border-radius:10px;padding:4px;margin-bottom:1.5rem;}
.auth-tabs button{
  flex:1;border:none;background:transparent;color:var(--text-dim);
  font-family:var(--font-d);font-weight:600;font-size:.9rem;
  padding:.55rem 0;border-radius:8px;transition:.15s;
}
.auth-tabs button.active{background:var(--ember);color:#171000;}
.role-toggle{display:flex;gap:.6rem;margin-bottom:1.2rem;}
.role-toggle label{
  flex:1;border:1px solid var(--border);border-radius:10px;padding:.6rem;text-align:center;
  cursor:pointer;font-size:.85rem;font-weight:600;color:var(--text-dim);transition:.15s;
}
.role-toggle input{display:none;}
.role-toggle input:checked + label{border-color:var(--ember);color:var(--ember);background:var(--ember-soft);}
.auth-error{
  background:rgba(239,71,111,.12);border:1px solid rgba(239,71,111,.4);
  color:#ff9db3;font-size:.85rem;border-radius:8px;padding:.55rem .8rem;margin-bottom:1rem;
}
.auth-note{background:var(--teal-soft);border:1px solid rgba(41,198,183,.35);color:var(--teal);font-size:.82rem;border-radius:8px;padding:.55rem .8rem;margin-bottom:1rem;}
.pw-field{position:relative;}
.pw-field input{padding-right:2.6rem;}
.pw-toggle{
  position:absolute;right:.5rem;top:50%;transform:translateY(-50%);background:transparent;border:none;
  color:var(--text-dim);font-size:1.05rem;padding:.2rem .4rem;cursor:pointer;line-height:1;
}
.pw-toggle:hover{color:var(--text);}
.auth-links{display:flex;justify-content:flex-end;margin-top:-.6rem;margin-bottom:1rem;}
.auth-links a{font-size:.8rem;}

/* ===== App shell ===== */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:236px;flex-shrink:0;background:var(--bg-elev);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:1000;
  transition:transform .2s ease;
}
.sidebar-brand{padding:1.35rem 1.3rem;border-bottom:1px solid var(--border);}
.nav-burnex{flex:1;padding:1rem .7rem;overflow-y:auto;}
.nav-burnex .nav-item-btn{
  width:100%;text-align:left;background:transparent;border:none;color:var(--text-dim);
  display:flex;align-items:center;gap:.7rem;padding:.65rem .85rem;border-radius:9px;
  font-weight:500;font-size:.92rem;margin-bottom:.25rem;transition:.15s;
}
.nav-burnex .nav-item-btn:hover{background:var(--bg-card);color:var(--text);}
.nav-burnex .nav-item-btn.active{background:var(--ember-soft);color:var(--ember);font-weight:600;}
.nav-burnex .nav-item-btn .ic{width:20px;text-align:center;font-size:1.05rem;}
.sidebar-foot{padding:1rem;border-top:1px solid var(--border);}
.user-chip{display:flex;align-items:center;gap:.6rem;}
.avatar-circle{
  width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#5EE6D6);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-d);
  font-weight:700;color:#06231f;font-size:.85rem;flex-shrink:0;
}
.avatar-circle.admin{background:linear-gradient(135deg,var(--ember),#FF9366);color:#1a0f08;}
.main-area{margin-left:236px;flex:1;min-width:0;padding:1.6rem 2rem 3rem;}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.6rem;flex-wrap:wrap;gap:.75rem;}
.mobile-toggle{display:none;}

/* ===== Cards / badges / shared bits ===== */
.card-b{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.35rem;}
.stat-card{position:relative;overflow:hidden;}
.stat-card .stat-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--text-dim);}
.stat-card .stat-value{font-family:var(--font-m);font-weight:700;font-size:1.9rem;margin-top:.3rem;}
.stat-card .stat-icon{position:absolute;right:1rem;top:1rem;font-size:1.4rem;opacity:.5;}
.section-title{font-family:var(--font-d);font-weight:600;font-size:1.05rem;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem;}
.badge-soft{background:var(--teal-soft);color:var(--teal);font-weight:600;border-radius:20px;padding:.3rem .7rem;font-size:.72rem;}
.badge-ember-soft{background:var(--ember-soft);color:var(--ember);font-weight:600;border-radius:20px;padding:.3rem .7rem;font-size:.72rem;}
.badge-gold-soft{background:rgba(242,199,68,.14);color:var(--gold);font-weight:600;border-radius:20px;padding:.3rem .7rem;font-size:.72rem;}
.badge-green-soft{background:rgba(61,220,132,.14);color:#3ddc84;font-weight:600;border-radius:20px;padding:.3rem .7rem;font-size:.72rem;}
.badge-danger-soft{background:rgba(239,71,111,.14);color:var(--danger);font-weight:600;border-radius:20px;padding:.3rem .7rem;font-size:.72rem;}
.chart-box{position:relative;height:260px;}
.table-burnex{width:100%;border-collapse:separate;border-spacing:0;}
.table-burnex th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);padding:.6rem .8rem;border-bottom:1px solid var(--border);}
.table-burnex td{padding:.75rem .8rem;border-bottom:1px solid var(--border);font-size:.9rem;}
.table-burnex tr:last-child td{border-bottom:none;}
.icon-btn{background:transparent;border:1px solid var(--border);color:var(--text-dim);border-radius:8px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;}
.icon-btn:hover{border-color:var(--danger);color:var(--danger);}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-dim);}
.empty-state .ic{font-size:2.2rem;margin-bottom:.6rem;}
.profile-avatar{
  width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#5EE6D6);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-d);
  font-weight:700;font-size:1.7rem;color:#06231f;
}
.gym-code-box{
  font-family:var(--font-m);font-weight:700;font-size:1.4rem;letter-spacing:.12em;
  background:var(--bg-elev);border:1px dashed var(--border);border-radius:10px;
  padding:.7rem 1rem;text-align:center;color:var(--ember);
}
.toast-burnex{
  position:fixed;bottom:1.4rem;right:1.4rem;z-index:2000;background:var(--bg-card);
  border:1px solid var(--border);border-left:4px solid var(--teal);padding:.8rem 1.1rem;
  border-radius:10px;font-size:.87rem;box-shadow:0 12px 30px rgba(0,0,0,.4);
  transform:translateY(20px);opacity:0;transition:.25s;
}
.toast-burnex.show{transform:translateY(0);opacity:1;}

/* ===== Landing page ===== */
.landing-hero{
  min-height:100vh;background:
    radial-gradient(circle at 10% 10%, var(--ember-soft), transparent 45%),
    radial-gradient(circle at 90% 90%, var(--teal-soft), transparent 45%),
    var(--bg);
  display:flex;flex-direction:column;
}
.landing-nav{display:flex;justify-content:space-between;align-items:center;padding:1.4rem 2rem;}
.hero-figs{display:flex;justify-content:center;align-items:flex-end;gap:1.5rem;margin:1.5rem 0;}
.hero-figs svg{filter:drop-shadow(0 20px 30px rgba(0,0,0,.4));}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.4rem;height:100%;}
.feature-card .fi{font-size:1.8rem;margin-bottom:.6rem;}
.landing-footer{border-top:1px solid var(--border);padding:1.3rem 2rem;text-align:center;color:var(--text-faint);font-size:.82rem;}

/* ===== Utility ===== */
.pill-toggle{display:flex;background:var(--bg-elev);border-radius:10px;padding:4px;gap:2px;}
.pill-toggle button{flex:1;border:none;background:transparent;color:var(--text-dim);font-weight:600;font-size:.82rem;padding:.45rem 0;border-radius:8px;transition:.15s;}
.pill-toggle button.active{background:var(--ember);color:#171000;}
.rank-badge{
  width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-m);font-weight:700;font-size:.85rem;background:var(--bg-elev);color:var(--text-dim);flex-shrink:0;
}
.rank-badge.r1{background:rgba(242,199,68,.18);color:var(--gold);}
.rank-badge.r2{background:rgba(180,190,200,.18);color:#c7ced8;}
.rank-badge.r3{background:rgba(255,106,57,.18);color:var(--ember);}
.leaderboard-row{display:flex;align-items:center;gap:.9rem;padding:.7rem 0;border-bottom:1px solid var(--border);}
.leaderboard-row:last-child{border-bottom:none;}
.leaderboard-row.me{background:var(--ember-soft);border-radius:10px;padding:.7rem .6rem;border-bottom:none;margin:.2rem 0;}