/* SNS Fitness Club – διαχειριστικό */
:root{
  --brand:#a5c63b;--brand-dark:#7c9a1e;--brand-soft:#e4edc6;
  --ink:#161616;--ink-soft:#2b2b2b;--ash:#6d6e71;--ash-light:#9c9d9f;
  --mist:#f6f7f3;--line:#e3e5dd;--line-soft:#eef0e9;
  --warn:#b5541c;--warn-soft:#f8e3d3;--danger:#c0392b;
}
*{box-sizing:border-box}
body{margin:0;background:var(--mist);color:var(--ink-soft);font-family:"Manrope","Segoe UI",system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.45}
a{color:var(--brand-dark);text-decoration:none}
button,input,select,textarea{font:inherit}

.layout{display:flex;min-height:100vh}
.sidebar{width:232px;flex-shrink:0;background:var(--ink);color:#c4c6c0;padding:24px 14px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh}
.logo{display:flex;align-items:baseline;gap:2px;padding:0 10px;color:inherit}
.logo b{font-size:26px;font-weight:800;letter-spacing:-1px;color:var(--ash-light)}
.logo b.n{color:var(--brand)}
.logo small{margin-left:8px;font-size:10px;font-weight:700;letter-spacing:.2em;color:var(--ash-light)}
.nav{display:flex;flex-direction:column;gap:2px}
.nav-group{margin:12px 12px 4px;font-size:11px;font-weight:700;letter-spacing:.06em;color:#6d6e71;text-transform:uppercase}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:10px;color:#c4c6c0;font-weight:700;font-size:14px}
.nav a svg{width:20px;height:20px;flex-shrink:0}
.nav a.active{background:var(--brand);color:var(--ink)}
.nav a:hover:not(.active){background:#262626}
.sidebar-foot{margin-top:auto;display:flex;align-items:center;gap:10px;padding:0 10px}
.sidebar-foot .av{width:34px;height:34px;border-radius:50%;background:#3a3a3a;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.sidebar-foot b{display:block;color:#fff;font-size:13px}
.sidebar-foot small{color:var(--ash-light);font-size:11px;font-weight:600}
.sidebar-foot form{margin-left:auto}
.sidebar-foot button{background:none;border:0;color:var(--ash-light);cursor:pointer;font-size:12px;font-weight:700}

.content{flex:1;min-width:0;padding:28px 36px}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.page-head h1{font-size:26px;font-weight:800;margin:0}
.page-head .sub{color:var(--ash);font-weight:600;font-size:14px;margin-top:2px}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 16px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--brand);color:var(--ink)}
.btn-outline{background:#fff;border-color:#c4c6c0;color:var(--ink-soft)}
.btn-danger{background:#fff;border-color:#e6b8b1;color:var(--danger)}
.btn-dark{background:var(--ink);color:#fff}
.btn-sm{height:34px;padding:0 12px;font-size:12px;font-weight:700}
.btn-icon{width:34px;padding:0}
.btn:disabled{opacity:.5;cursor:default}

.flash{padding:12px 16px;border-radius:10px;font-weight:600;margin-bottom:16px}
.flash-status{background:var(--brand-soft);color:#3e4a14}
.flash-error{background:var(--warn-soft);color:#8a3d10}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px}
.stat small{display:block;font-size:11px;font-weight:700;letter-spacing:.05em;color:var(--ash);text-transform:uppercase}
.stat b{display:block;font-size:30px;font-weight:800;margin-top:4px}
.stat b.warn{color:var(--warn)}

.grid{display:grid;grid-template-columns:2fr 1fr;gap:22px;align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:12px}
.card.pad{padding:18px 20px}
.card + .card{margin-top:14px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line)}
.card-head h2{margin:0;font-size:15px;font-weight:800}
.card-body{padding:16px 20px}
.muted{color:var(--ash);font-size:12px;font-weight:600}
.text-ok{color:#4b7a12;font-weight:700}
.text-warn{color:var(--warn);font-weight:700}

/* Σήμερα */
.session-card{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px}
.session-card.next{border:2px solid var(--brand)}
.session-card.cancelled{opacity:.6}
.session-head{display:flex;align-items:center;gap:16px;padding:14px 20px;flex-wrap:wrap}
.session-head .t{font-size:18px;font-weight:800;min-width:56px}
.session-head .t.past{color:var(--ash-light)}
.session-head .name{font-weight:700;font-size:15px}
.session-head .meta{color:var(--ash);font-size:13px;font-weight:600}
.session-head .right{margin-left:auto;display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ash)}
.session-body{padding:0 20px 16px}
.att{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 16px}
.att-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;background:var(--mist)}
.att-row .who{flex:1;min-width:0}
.att-row .who b{display:block;font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att-row .who small{display:block;color:var(--ash);font-size:11px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att-row form{display:inline}
.chk{width:26px;height:26px;border-radius:6px;border:2px solid #c4c6c0;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;flex-shrink:0}
.chk.on{background:var(--brand);border-color:var(--brand);color:var(--ink)}
.chk.off{background:var(--danger);border-color:var(--danger);color:#fff}
.ib{background:none;border:0;cursor:pointer;color:var(--ash-light);padding:4px;border-radius:6px;display:inline-flex}
.ib:hover{background:var(--line-soft);color:var(--ink)}
.ib.warn:hover{color:var(--warn)}
.waitlist{margin-top:12px}
.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;margin:4px 6px 0 0}
.chip button{background:none;border:0;color:var(--ash-light);cursor:pointer;padding:0;font-size:14px}
.exp-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line-soft)}
.exp-row:first-child{border-top:0}
.exp-row b{display:block;font-size:13px}
.exp-row small{font-size:11px;font-weight:600;color:var(--ash)}
.exp-row small.warn{color:var(--warn);font-weight:700}
.exp-row a.phone{font-size:12px;font-weight:700;color:var(--ash)}

/* πίνακες */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{font-size:11px;font-weight:700;letter-spacing:.05em;color:var(--ash);text-transform:uppercase;text-align:left;padding:12px 16px;background:var(--mist);border-bottom:1px solid var(--line)}
td{padding:12px 16px;border-bottom:1px solid var(--line-soft);vertical-align:middle;font-weight:600}
tr:last-child td{border-bottom:0}
td b{font-weight:700}
td .sub{display:block;color:var(--ash);font-size:11px;font-weight:600}
td.right,th.right{text-align:right}
.group-row td{background:var(--mist);font-weight:800;font-size:13px}
.badge{display:inline-block;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:800;white-space:nowrap}
.badge-ok{background:var(--brand-soft);color:#3e4a14}
.badge-warn{background:var(--warn-soft);color:#8a3d10}
.badge-gray{background:var(--line-soft);color:var(--ash)}
.badge-dark{background:var(--ink);color:#fff}
.badge-danger{background:#f8d7d3;color:#8a1f12}
.dot{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.av{display:inline-flex;flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--line);color:var(--ink);align-items:center;justify-content:center;font-weight:800;font-size:12px;margin-right:10px;vertical-align:middle}
.av.brand{background:var(--brand)}

/* φίλτρα */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar input[type=search],.toolbar input[type=text]{height:40px;border:1px solid #c4c6c0;border-radius:10px;padding:0 12px;min-width:260px;background:#fff}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:17px;border:1px solid #c4c6c0;background:#fff;font-size:13px;font-weight:700;color:var(--ink-soft)}
.pill.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* φόρμες */
.form{max-width:760px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.form-grid .full{grid-column:1/-1}
.field-group label{display:block;font-size:12px;font-weight:700;color:var(--ash);margin-bottom:6px}
.field-group input,.field-group select,.field-group textarea{width:100%;height:42px;border:1px solid #c4c6c0;border-radius:10px;padding:0 12px;background:#fff;color:var(--ink-soft);font-weight:600}
.field-group textarea{height:auto;padding:10px 12px;min-height:80px;resize:vertical}
.field-group input:focus,.field-group select:focus,.field-group textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(165,198,59,.35)}
.field-group .help{display:block;margin-top:5px;color:var(--ash);font-size:12px;font-weight:600}
.check{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;height:42px}
.check input{width:20px;height:20px;accent-color:var(--brand)}
.form-actions{display:flex;gap:10px;margin-top:20px;align-items:center}
.inline-form{display:inline}
.section-title{font-size:13px;font-weight:800;color:var(--ash);text-transform:uppercase;letter-spacing:.05em;margin:0 0 10px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.dark-card{background:var(--ink);color:#fff;border-radius:12px;padding:20px 22px}
.dark-card .muted{color:var(--ash-light)}
.dark-card h3{margin:0;font-size:22px;font-weight:800}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.mini-stats div{background:#262626;border-radius:8px;padding:12px 14px}
.mini-stats small{display:block;color:var(--ash-light);font-size:11px;font-weight:700}
.mini-stats b{font-size:18px;font-weight:800}
.tabs{display:flex;gap:4px;background:#e9ebe4;border-radius:10px;padding:4px;margin-bottom:14px;width:max-content}
.tabs a{height:34px;padding:0 14px;display:flex;align-items:center;border-radius:8px;font-size:13px;font-weight:700;color:var(--ash)}
.tabs a.active{background:#fff;color:var(--ink);font-weight:800}
details.card>summary{list-style:none;cursor:pointer;padding:14px 20px;font-weight:800;font-size:15px}
details.card>summary::-webkit-details-marker{display:none}
details.card>summary::after{content:"+";float:right;color:var(--ash)}
details[open].card>summary::after{content:"–"}
details.card .card-body{border-top:1px solid var(--line)}
.legend{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:14px;font-size:12px;font-weight:700;color:var(--ash)}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.login-card .logo{justify-content:center;margin-bottom:20px}
.login-card .logo b{font-size:36px}

/* κινητό */
#nav-toggle{display:none}
.mobile-bar{display:none}
.nav-backdrop{display:none}
.grid>*,.two>*,.form-grid>*{min-width:0}
@media (max-width:900px){
  .layout{flex-direction:column}
  .mobile-bar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:25;background:var(--ink);color:#fff;padding:calc(env(safe-area-inset-top) + 10px) 16px 10px}
  .mobile-bar button{background:#262626;border:1px solid #3a3a3a;color:#fff;border-radius:10px;width:42px;height:42px;font-size:18px;cursor:pointer;flex-shrink:0}
  .mobile-bar .logo{padding:0}
  .mobile-bar .logo b{font-size:22px}
  .sidebar{position:fixed;left:-270px;top:0;bottom:0;width:250px;transition:left .2s;z-index:40;height:100vh;overflow-y:auto}
  body.nav-open .sidebar{left:0}
  body.nav-open .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:35}
  .content{padding:16px 14px 40px}
  .page-head{margin-bottom:16px}
  .page-head h1{font-size:22px}
  .page-head .sub{font-size:13px}
  .page-head .actions{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .page-head .actions>*{min-width:0}
  .page-head .actions>*:last-child:nth-child(odd){grid-column:1/-1}
  .page-head .actions .btn{padding:0 10px;font-size:13px;white-space:normal;line-height:1.2;height:auto;min-height:44px}
  .page-head:has(.btn-icon) .actions{display:flex}
  .page-head:has(.btn-icon) .actions>*{flex:1 1 auto}
  .page-head .actions .btn,.page-head .actions form,.page-head .actions form .btn{width:100%}
  .page-head .actions .btn-icon{flex:0 0 44px;width:44px}
  .stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat{padding:12px 14px}.stat b{font-size:24px}
  .grid,.two,.form-grid{grid-template-columns:1fr}
  .att{grid-template-columns:1fr}
  .session-head{padding:12px 14px;gap:6px 12px}
  .session-head .right{margin-left:0;width:100%;justify-content:space-between}
  .session-body{padding:0 14px 14px}
  .card.pad{padding:14px}.card-head{padding:12px 14px}.card-body{padding:14px}
  .dark-card{padding:16px}.dark-card h3{font-size:18px}
  .mini-stats{grid-template-columns:1fr 1fr}
  .toolbar input[type=search],.toolbar input[type=text]{min-width:0;flex:1 1 100%}
  .toolbar{gap:8px}
  .tabs{width:100%;display:grid;grid-template-columns:1fr 1fr}.tabs a{justify-content:center;height:38px}
  .form-actions{flex-wrap:wrap}.form-actions .btn{flex:1 1 auto}
  details .card.pad[style*="position:absolute"],details form.card.pad[style*="position:absolute"]{position:static!important;width:100%!important;margin-top:10px!important}

  /* Οι πίνακες γίνονται κάρτες: κάθε γραμμή ένα κουτί, κάθε κελί με την ετικέτα της στήλης. */
  .table-wrap{overflow:visible;border:0;background:transparent}
  .table-wrap table,.table-wrap tbody{display:block}
  .table-wrap thead{display:none}
  .table-wrap tr{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px}
  .table-wrap tr.group-row{background:transparent;border:0;padding:8px 2px 2px;margin-bottom:4px}
  .table-wrap tr.group-row td{background:transparent;padding:0;font-size:14px}
  .table-wrap td{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:5px 0;border:0;text-align:right;font-size:13px}
  .table-wrap td::before{content:attr(data-label);color:var(--ash);font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;text-align:left;flex-shrink:0}
  .table-wrap td:first-child{display:block;text-align:left;font-size:15px;padding-bottom:8px;margin-bottom:4px;border-bottom:1px solid var(--line-soft)}
  .table-wrap td:first-child::before{display:none}
  .table-wrap td:first-child .sub{margin-left:0!important}
  .table-wrap td.right{justify-content:flex-end;padding-top:10px}
  .table-wrap td.right::before{display:none}
  .table-wrap td.right .btn,.table-wrap td.right form{flex:1}
  .table-wrap td.right form .btn{width:100%}
  .table-wrap td[data-empty]{display:none}
  .table-wrap td .cell{text-align:right;min-width:0}
  .table-wrap td .sub{display:block}
  .card.table-wrap{box-shadow:none}
}