/* TeckGem Gym Management System */
:root{
  --navy:#0D1C2C; --navy-2:#16283B; --navy-3:#23384E;
  --lime:#C8F03C; --lime-dark:#A6CC1F;
  --bg:#F3F5F2; --card:#FFFFFF; --ink:#13202D; --muted:#5A6573; --line:#E2E6E0; --line-2:#EEF1EC;
  --red:#B42318; --red-bg:#FDE7E5; --amber:#9A4A06; --amber-bg:#FFF1DB; --green:#1E6B2E; --green-bg:#E3F4E1; --blue:#1D4ED8; --blue-bg:#E4ECFF;
  --wa:#1FAF54; --wa-dark:#178C43;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'DM Sans',system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
h1,h2,h3,.display{font-family:'Archivo','DM Sans',sans-serif;letter-spacing:-.3px}
a{color:var(--navy)}
img{max-width:100%}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Shell */
.shell{display:flex;min-height:100vh}
.sidebar{width:248px;flex-shrink:0;background:var(--navy);color:#fff;padding:20px 14px;display:flex;flex-direction:column;gap:20px;position:sticky;top:0;height:100vh;overflow-y:auto}
.gym-brand{display:flex;align-items:center;gap:12px;padding:4px 8px;text-decoration:none;color:#fff}
.gym-badge{width:42px;height:42px;border-radius:11px;background:var(--lime);color:var(--navy);display:flex;align-items:center;justify-content:center;font-family:'Archivo',sans-serif;font-weight:800;font-size:17px;flex-shrink:0;overflow:hidden}
.gym-badge img{width:100%;height:100%;object-fit:cover}
.gym-brand strong{display:block;font-family:'Archivo',sans-serif;font-size:15px;line-height:1.2}
.gym-brand small{color:#AEB9C6;font-size:12px}
.nav{display:flex;flex-direction:column;gap:2px}
.nav-label{font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:#8494A6;padding:14px 12px 6px}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:#DCE3EA;text-decoration:none;font-size:14px;font-weight:500}
.nav a:hover{background:var(--navy-2);color:#fff}
.nav a.active{background:var(--lime);color:var(--navy);font-weight:700}
.nav svg{width:19px;height:19px;flex-shrink:0}
.nav .count{margin-left:auto;background:#E5484D;color:#fff;font-size:11px;font-weight:700;border-radius:999px;padding:1px 8px}
.nav a.active .count{background:var(--navy);color:var(--lime)}
.sidebar-foot{margin-top:auto;font-size:12px;color:#8494A6;padding:12px;border-top:1px solid var(--navy-3)}
.sidebar-foot a{color:#C9D3DD}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:10px 28px;position:sticky;top:0;z-index:20;flex-wrap:wrap}
.tg-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);min-width:0}
.tg-brand img{height:34px;width:auto;display:block}
.tg-brand .tg-text{font-family:'Archivo',sans-serif;font-weight:800;font-size:16px;line-height:1.1}
.tg-brand .tg-text small{display:block;font-family:'DM Sans',sans-serif;font-weight:500;font-size:12px;color:var(--muted)}
.tg-fallback{display:none;height:34px;padding:0 10px;border-radius:8px;background:var(--navy);color:#fff;font-family:'Archivo',sans-serif;font-weight:800;align-items:center}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.btn-wa{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:999px;background:var(--wa);color:#fff;text-decoration:none;font-weight:700;font-size:14px;white-space:nowrap}
.btn-wa:hover{background:var(--wa-dark);color:#fff}
.btn-wa svg{width:20px;height:20px}
.user-chip{display:flex;align-items:center;gap:10px;padding:4px 6px 4px 4px;border-radius:999px;border:1px solid var(--line);text-decoration:none;color:var(--ink)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--navy);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.lg{width:72px;height:72px;font-size:24px;border-radius:18px}
.user-chip span{font-size:13px;line-height:1.15}
.user-chip small{display:block;color:var(--muted);font-size:11px}
.menu-toggle{display:none}

.content{padding:28px;display:flex;flex-direction:column;gap:22px;flex:1}
.page-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px}
.page-head h1{margin:0;font-size:28px;font-weight:800}
.page-head p{margin:4px 0 0;color:var(--muted);font-size:14px}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.footer{padding:18px 28px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;background:#fff}
.footer a{color:var(--navy);font-weight:600}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 16px;border-radius:10px;border:1px solid var(--navy);background:#fff;color:var(--navy);font:600 14px 'DM Sans',sans-serif;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:#F1F4F7}
.btn-primary{background:var(--navy);color:var(--lime);border-color:var(--navy)}
.btn-primary:hover{background:var(--navy-2);color:var(--lime)}
.btn-lime{background:var(--lime);color:var(--navy);border-color:var(--lime);font-weight:700}
.btn-lime:hover{background:var(--lime-dark)}
.btn-danger{border-color:#E8B4AE;color:var(--red)}
.btn-danger:hover{background:var(--red-bg)}
.btn-sm{height:34px;padding:0 12px;font-size:13px;border-radius:8px}
.btn-ghost{border-color:transparent;background:transparent}
.btn-wa-sm{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:8px;background:var(--wa);color:#fff;text-decoration:none;font-weight:700;font-size:13px;white-space:nowrap}
.btn-wa-sm:hover{background:var(--wa-dark);color:#fff}
.btn-wa-sm svg{width:16px;height:16px}
.link-btn{background:none;border:none;padding:0;color:var(--red);font:600 13px 'DM Sans',sans-serif;cursor:pointer}

/* Cards & grid */
.card{background:var(--card);border-radius:var(--radius);padding:22px;border:1px solid var(--line-2)}
.card h2{margin:0 0 14px;font-size:18px;font-weight:700}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.card-head h2{margin:0}
.grid{display:grid;gap:18px}
.stats{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.two{display:flex;flex-wrap:wrap;gap:22px;align-items:flex-start}
.two > .wide{flex:999 1 560px;min-width:0}
.two > .narrow{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:22px}
.stat{display:flex;flex-direction:column;gap:6px}
.stat .label{font-size:13px;color:var(--muted);font-weight:500}
.stat .value{font-family:'Archivo',sans-serif;font-weight:800;font-size:32px;line-height:1.1}
.stat .sub{font-size:12.5px;color:var(--muted)}
.stat.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.stat.dark .label,.stat.dark .sub{color:#B7C3CF}
.stat.dark .value{color:var(--lime)}
.text-red{color:var(--red)!important}.text-green{color:var(--green)!important}.text-muted{color:var(--muted)}
.small{font-size:13px}

/* Tables */
.table-wrap{overflow-x:auto;margin:0 -4px}
table.table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.table th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:600;padding:10px 8px;border-bottom:1px solid var(--line)}
.table td{padding:12px 8px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table td .sub{font-size:12px;color:var(--muted)}
.table a.name{font-weight:600;text-decoration:none;color:var(--ink)}
.table a.name:hover{text-decoration:underline}
.num{text-align:right;white-space:nowrap}
.member-cell{display:flex;align-items:center;gap:10px}

/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.b-red{background:var(--red-bg);color:var(--red)}.b-amber{background:var(--amber-bg);color:var(--amber)}
.b-green{background:var(--green-bg);color:var(--green)}.b-grey{background:#ECEFEA;color:#3B4652}.b-blue{background:var(--blue-bg);color:var(--blue)}
.b-navy{background:var(--navy);color:var(--lime)}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px 18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:#2E3A47}
.field .hint{font-size:12px;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=month],input[type=search],input[type=tel],input[type=url],select,textarea{
  height:44px;border:1px solid #D3D9D1;border-radius:10px;padding:0 12px;font:15px 'DM Sans',sans-serif;background:#fff;color:var(--ink);width:100%}
textarea{height:auto;min-height:90px;padding:10px 12px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--lime-dark);outline-offset:1px;border-color:var(--navy)}
.check{display:flex;align-items:center;gap:10px;font-size:14px;min-height:44px}
.check input{width:20px;height:20px;accent-color:var(--navy);flex-shrink:0}
.check.field{flex-direction:row;align-items:center;align-self:end}
.error{color:var(--red);font-size:12.5px;font-weight:500}
.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.section-title{font-size:15px;font-weight:700;margin:6px 0 0;grid-column:1/-1;padding-top:10px;border-top:1px solid var(--line-2)}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.filters .field{min-width:160px}

/* Alerts */
.alert{padding:12px 16px;border-radius:10px;font-size:14px;font-weight:500;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.alert-success{background:var(--green-bg);color:var(--green)}
.alert-warning{background:var(--amber-bg);color:var(--amber)}
.alert-error{background:var(--red-bg);color:var(--red)}

/* Tabs */
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs a{padding:8px 14px;border-radius:999px;text-decoration:none;font-size:13.5px;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line)}
.tabs a.active{background:var(--navy);color:var(--lime);border-color:var(--navy)}

/* Bars */
.bars{display:flex;align-items:flex-end;gap:8px;height:150px}
.bar{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bar .fill{width:100%;background:#D8DDD5;border-radius:6px 6px 3px 3px;min-height:3px}
.bar.peak .fill{background:var(--navy)}
.bar span{font-size:11px;color:var(--muted)}
.bar .v{font-size:11px;font-weight:700;color:var(--ink)}
.pair-bars{display:flex;align-items:flex-end;gap:14px;height:180px}
.pair{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.pair .cols{display:flex;gap:4px;align-items:flex-end;width:100%;flex:1}
.pair .cols div{flex:1;border-radius:5px 5px 2px 2px;min-height:2px}
.c-income{background:var(--navy)}.c-expense{background:#E0A14B}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:middle}

.list-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line-2)}
.list-row:last-child{border-bottom:none}
.list-row strong{font-size:14px}
.empty{padding:28px;text-align:center;color:var(--muted)}
.kv{display:grid;grid-template-columns:140px 1fr;gap:8px 12px;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:500}
.profile-head{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.profile-head h1{margin:0}
.checkin-box{display:flex;gap:10px;flex-wrap:wrap}
.checkin-box input{flex:1 1 240px;height:52px;font-size:18px}
.checkin-box .btn{height:52px;padding:0 24px;font-size:15px}
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.pagination a,.pagination span{padding:6px 12px;border-radius:8px;border:1px solid var(--line);text-decoration:none;font-size:13px;color:var(--ink);background:#fff}
.pagination .current{background:var(--navy);color:var(--lime);border-color:var(--navy)}
.pagination .disabled{color:#A7AFB8}

/* Auth / install */
.auth-wrap{min-height:100vh;display:flex;flex-direction:column}
.auth-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 28px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}
.auth-body{flex:1;display:flex;align-items:center;justify-content:center;padding:32px 16px;background:radial-gradient(circle at 20% 0%,#E6F7B1 0,transparent 40%),var(--bg)}
.auth-card{width:100%;max-width:440px;background:#fff;border-radius:18px;padding:32px;border:1px solid var(--line)}
.auth-card.wide{max-width:780px}
.auth-card h1{margin:0 0 6px;font-size:26px;font-weight:800}
.auth-card p.lead{margin:0 0 22px;color:var(--muted)}

/* Print */
@media print{
  .sidebar,.topbar,.footer,.no-print{display:none!important}
  body{background:#fff}
  .content{padding:0}
  .card{border:none;padding:0}
}

/* Mobile */
@media (max-width: 900px){
  .shell{display:block}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translateX(-100%);transition:transform .2s;width:260px}
  #nav-toggle:checked ~ .shell .sidebar{transform:none;box-shadow:0 0 0 100vmax rgba(13,28,44,.45)}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);cursor:pointer}
  .topbar{padding:10px 16px}
  .tg-brand .tg-text small{display:none}
  .btn-wa .wa-long{display:none}
  .user-chip{display:none}
  .topbar-right{flex-wrap:nowrap}
  .bars{gap:4px}
  .bar span{font-size:10px}
  .content{padding:18px 16px}
  .page-head h1{font-size:24px}
  .kv{grid-template-columns:110px 1fr}
}
@media (max-width: 520px){
  .tg-brand .tg-text{display:none}
  .btn-wa{height:40px;padding:0 14px}
  .auth-top{padding:12px 16px}
  .auth-card{padding:24px 20px}
}