:root{
  --bg:#f4f6fb; --surface:#fff; --sidebar:#0f172a; --sidebar-hover:#1e293b;
  --primary:#2563eb; --primary-dark:#1d4ed8; --text:#0f172a; --muted:#64748b;
  --border:#e2e8f0; --green:#16a34a; --green-bg:#dcfce7; --amber:#d97706;
  --amber-bg:#fef3c7; --red:#dc2626; --red-bg:#fee2e2;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{text-decoration:none;color:inherit}

.sidebar{width:240px;background:var(--sidebar);color:#cbd5e1;display:flex;flex-direction:column;position:fixed;height:100vh;padding:20px 0}
.brand{display:flex;align-items:center;gap:8px;padding:0 14px 22px;font-size:16px;font-weight:700;color:#fff;border-bottom:1px solid #1e293b;margin-bottom:14px}
.brand .logo{width:32px;height:32px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex:none}
.brand .logo-wrap{background:#fff;border-radius:8px;padding:5px 8px;display:inline-flex;align-items:center;flex:0 1 auto;min-width:0}
.brand .logo-wrap img{height:auto;max-height:24px;width:auto;max-width:96px;object-fit:contain;display:block}
.brand .brand-sub{font-weight:600;color:#cbd5e1;font-size:13.5px;white-space:nowrap;flex:none}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 22px;cursor:pointer;font-weight:500;border-left:3px solid transparent;transition:.15s;color:#cbd5e1}
.nav-item:hover{background:var(--sidebar-hover);color:#fff}
.nav-item.active{background:var(--sidebar-hover);color:#fff;border-left-color:var(--primary)}
.nav-item .ico{width:20px;text-align:center;font-size:16px}
.cal{margin-top:auto;padding:14px 16px 10px;border-top:1px solid #1e293b}
.cal-title{color:#fff;font-size:12.5px;font-weight:600;text-align:center;margin-bottom:8px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.cal-dow{color:#475569;font-size:9.5px;text-align:center;font-weight:700;padding-bottom:3px}
.cal-cell{font-size:11px;text-align:center;color:#cbd5e1;padding:4px 0;border-radius:5px}
.cal-day.today{background:var(--primary);color:#fff;font-weight:700}
.sidebar-user{display:flex;align-items:center;gap:10px;padding:14px 18px;border-top:1px solid #1e293b}
.sidebar-user .u-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:none}
.sidebar-user .u-meta{flex:1;min-width:0;overflow:hidden}
.sidebar-user .u-name{font-size:13px;color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user .u-role{font-size:11px;color:#64748b}
.sidebar-user .u-logout{background:none;border:1px solid #334155;color:#cbd5e1;border-radius:6px;width:30px;height:30px;cursor:pointer;font-size:15px;flex:none}
.sidebar-user .u-logout:hover{background:#1e293b;color:#fff}

.main{margin-left:240px;padding:28px 36px;width:calc(100% - 240px);min-height:100vh}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.page-head h1{font-size:24px;font-weight:700}
.page-head p{color:var(--muted);font-size:13px;margin-top:2px}

.btn{background:var(--primary);color:#fff;border:none;padding:10px 18px;border-radius:8px;font-size:13.5px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:.15s}
.btn:hover{background:var(--primary-dark)}
.btn-light{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-light:hover{background:#f8fafc}
.btn-sm{padding:6px 12px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.flex-gap{display:flex;gap:10px;flex-wrap:wrap}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow)}
.stat .label{color:var(--muted);font-size:12.5px;font-weight:500;margin-bottom:8px;text-transform:uppercase;letter-spacing:.03em}
.stat .value{font-size:30px;font-weight:700}
.stat .sub{font-size:12px;color:var(--muted);margin-top:4px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:20px}
.card-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}
.card-head h2{font-size:16px;font-weight:600}
table{width:100%;border-collapse:collapse}
th{text-align:left;padding:12px 20px;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f8fafc;font-weight:600;border-bottom:1px solid var(--border)}
td{padding:13px 20px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#f8fafc}
.empty{padding:48px 20px;text-align:center;color:var(--muted)}
.empty .big{font-size:34px;margin-bottom:8px;opacity:.5}
.list-meta{padding:10px 20px;font-size:12.5px;color:var(--muted);border-bottom:1px solid var(--border)}

.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:20px;font-size:12px;font-weight:600}
.b-green{background:var(--green-bg);color:var(--green)}
.b-amber{background:var(--amber-bg);color:var(--amber)}
.b-red{background:var(--red-bg);color:var(--red)}
.b-blue{background:#dbeafe;color:var(--primary)}
.b-gray{background:#f1f5f9;color:var(--muted)}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.muted-text{color:var(--muted);font-size:12.5px}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-right:8px}

.overlay{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.overlay.open{display:flex}
.modal{background:#fff;border-radius:14px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:17px;font-weight:700}
.modal-head .x{cursor:pointer;color:var(--muted);font-size:22px;line-height:1;background:none;border:none}
.modal-body{padding:22px 24px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border);background:#f8fafc}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:600;margin-bottom:6px;color:#334155}
.field input,.field select,.field textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13.5px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.field textarea{resize:vertical;min-height:80px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hint{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.5}

.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.search{flex:1;min-width:200px;padding:9px 14px;border:1px solid var(--border);border-radius:8px;font-size:13.5px;background:#fff}
.search:focus{outline:none;border-color:var(--primary)}
select.filter,input.filter{padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:13.5px}
.actions-cell{display:flex;gap:6px}
.icon-btn{background:none;border:1px solid var(--border);border-radius:6px;width:30px;height:30px;cursor:pointer;font-size:14px;color:var(--muted);display:inline-flex;align-items:center;justify-content:center}
.icon-btn:hover{background:#f1f5f9;color:var(--text)}
.icon-btn.del:hover{background:var(--red-bg);color:var(--red);border-color:#fecaca}

.warn-box{background:var(--amber-bg);color:#92400e;border-left:4px solid var(--amber);padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:14px;font-weight:500}
.chk-row{display:flex;align-items:center;gap:9px;margin-bottom:16px;font-size:13.5px;font-weight:500;cursor:pointer}
.chk-row input{width:16px;height:16px}

.combo{position:relative}
.combo-input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13.5px;background:#fff}
.combo-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.combo-list{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:8px;max-height:240px;overflow-y:auto;z-index:20;box-shadow:0 8px 24px rgba(15,23,42,.16);display:none}
.combo-list.open{display:block}
.combo-item{padding:9px 12px;cursor:pointer;font-size:13.5px}
.combo-item:hover{background:#f1f5f9}
.combo-empty{padding:11px 12px;color:var(--muted);font-size:13px}

.auth-main{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 12px 44px rgba(15,23,42,.14);padding:30px 30px 26px;width:100%;max-width:380px}
.auth-logo{display:flex;justify-content:center;margin-bottom:14px}
.auth-logo .logo-wrap{background:#0f172a;padding:10px 14px;border-radius:10px;display:inline-flex;align-items:center}
.auth-logo .logo-wrap img{height:30px;width:auto;display:block}
.auth-card h1{font-size:21px;text-align:center;margin-bottom:2px}
.auth-card p.sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:20px}
.auth-err{background:var(--red-bg);color:var(--red);padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}
.flash-ok{background:var(--green-bg);color:#166534;padding:11px 14px;border-radius:8px;font-size:13.5px;margin-bottom:18px}

/* Mobilna traka (skrivena na desktopu) */
.topbar{display:none}
.nav-backdrop{display:none}

@media(max-width:860px){
  .topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:40;background:var(--sidebar);color:#fff;padding:12px 16px}
  .hamburger{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;line-height:1;padding:0}
  .topbar-title{font-weight:700;font-size:15px}

  .sidebar{transform:translateX(-100%);transition:transform .25s ease;width:250px;z-index:60;box-shadow:0 0 40px rgba(0,0,0,.4)}
  .sidebar.open{transform:translateX(0)}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:55;opacity:0;pointer-events:none;transition:opacity .25s}
  .nav-backdrop.open{opacity:1;pointer-events:auto}

  .main{margin-left:0;width:100%;padding:16px}
  .page-head h1{font-size:20px}
  .stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat{padding:14px 16px}
  .stat .value{font-size:24px}

  .card{overflow-x:auto}
  .card table{min-width:620px}
  th,td{padding:10px 12px}

  .toolbar .search{min-width:0;width:100%}
  .toolbar select.filter,.toolbar input.filter{flex:1}

  .overlay{padding:10px;align-items:flex-start}
  .modal{margin-top:8px}
  .row2{grid-template-columns:1fr}
}

@media(max-width:430px){
  .stats{grid-template-columns:1fr}
  .main{padding:14px}
}