:root{
  --bg:#0B1220;
  --panel:#121B2F;
  --panel-2:#16223a;
  --text:#EAF0F6;
  --muted:#9FB0C7;
  --accent:#4f7cff;
  --accent-2:#2fd4ff;
  --danger:#ff5b7a;
  --success:#43d39e;
  --shadow:0 18px 40px rgba(6,10,30,.45);
  --border:#1E2A44;
}
*{box-sizing:border-box;font-family:"Trebuchet MS","Lucida Sans Unicode","Lucida Grande",sans-serif}
body{
  margin:0;
  color:var(--text);
  min-height:100vh;
  background:
    radial-gradient(1200px 600px at 20% -10%, #1b2550 0%, transparent 60%),
    radial-gradient(900px 500px at 110% 10%, #0f3a4a 0%, transparent 55%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg) 60%, var(--bg) 100%);
  background-repeat:no-repeat;
  background-size:cover;
}
a{color:var(--accent);text-decoration:none}

.app-shell{display:flex;min-height:100vh}
.sidebar{
  width:250px;
  padding:22px 18px;
  background:linear-gradient(180deg,#0d1426 0%, #141e36 100%);
  border-right:1px solid var(--border);
  position:sticky;
  top:0;
  height:100vh;
}
.brand{display:flex;gap:10px;align-items:center;margin-bottom:22px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 10px 20px rgba(79,124,255,.35);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.brand-mark img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.brand-title{font-size:18px;font-weight:800;letter-spacing:.4px}
.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}
.brand-credit{
  font-size:11px;
  color:var(--muted);
  margin:6px 0 16px;
}
.menu{display:flex;flex-direction:column;gap:8px}
.menu a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  color:var(--text);background:transparent;
  border:1px solid transparent;
}
.menu a:hover{background:rgba(255,255,255,.04);border-color:var(--border)}
.menu a.active{
  background:linear-gradient(135deg,rgba(79,124,255,.22),rgba(47,212,255,.12));
  border-color:rgba(79,124,255,.35);
  color:#fff;
}
.menu-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:15px 10px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
}
.menu-toggle .bars{
  position:relative;
  width:18px;
  height:2px;
  background:var(--text);
  display:inline-block;
}
.menu-toggle .bars::before,
.menu-toggle .bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--text);
}
.menu-toggle .bars::before{top:-6px}
.menu-toggle .bars::after{top:6px}

.main{flex:1;padding:24px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;padding:14px 16px;margin-bottom:16px;
  box-shadow:var(--shadow);
}
.topbar-title{font-size:18px;font-weight:800}
.topbar-actions{display:flex;align-items:center;gap:10px}
.user-chip{display:flex;align-items:center;gap:10px}
.avatar{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;
}
.user-name{font-size:14px;font-weight:700}
.user-role{font-size:12px;color:var(--muted)}

.container{max-width:1100px;margin:0 auto;padding:18px}
.auth-page{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:14px;
  padding:40px 16px 60px;
}
.auth-card{width:100%;max-width:680px}
.auth-footer{
  width:100%;
  max-width:680px;
  text-align:center;
}
.auth-logo{
  width:160px;
  height:160px;
  margin:0 auto 10px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.auth-logo img{
  width:100%;
  height:100%;
  object-fit:contain;
}
.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;padding:16px;
  box-shadow:var(--shadow);margin:14px 0;
}
.row{display:flex;gap:14px;flex-wrap:wrap}
.col{flex:1;min-width:260px}
h1,h2,h3{margin:0 0 10px}
.small{color:var(--muted);font-size:13px}
.nav{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.nav a{padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:rgba(255,255,255,.03)}

input,select,textarea{
  width:100%;padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);
  background:var(--panel-2);color:var(--text);outline:none;
  font-size:16px;
}
input[type="date"],
input[type="datetime-local"],
input[type="time"]{
  cursor:pointer;
  position:relative;
}
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  opacity:0;
  cursor:pointer;
}
label{display:block;margin:10px 0 6px}
button{
  padding:10px 14px;border-radius:12px;border:0;
  background:var(--accent);color:white;font-weight:700;cursor:pointer;
}
button:disabled{
  opacity:.5;
  cursor:not-allowed;
}
button.secondary{background:rgba(255,255,255,.08)}
button.danger{background:var(--danger)}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.08);font-size:12px;color:var(--muted)}
.flash{padding:10px 12px;border-radius:12px;background:rgba(79,124,255,.18);border:1px solid rgba(79,124,255,.35);margin:10px 0}
.flash.danger{background:rgba(255,90,122,.15);border-color:rgba(255,90,122,.35)}
.flash.success{background:rgba(67,211,158,.15);border-color:rgba(67,211,158,.35)}
.footer{margin:22px 0;color:var(--muted);font-size:12px}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:14px;margin:10px 0 20px;
}
.stat-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:14px;padding:14px;
  box-shadow:var(--shadow);
}

.btn-block{
  display:inline-flex;
  width:100%;
  justify-content:center;
  align-items:center;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--border);
  background:linear-gradient(135deg,rgba(79,124,255,.25),rgba(47,212,255,.12));
  color:var(--text);
  font-weight:700;
}
.stat-title{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.8px}
.stat-value{font-size:22px;font-weight:800;margin-top:8px}
.stat-foot{font-size:12px;color:var(--muted);margin-top:6px}

.chart{display:flex;gap:10px;align-items:flex-end;height:180px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px}
.bar-fill{
  width:100%;border-radius:10px 10px 6px 6px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.bar-label{font-size:11px;color:var(--muted)}

.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:40}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(4,8,18,.7)}
.modal-card{
  position:relative;
  width:min(520px,92vw);
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px;
  box-shadow:var(--shadow);
  z-index:1;
}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:12px}

.service-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:12px;
  margin:6px 0 10px;
}
.service-option{cursor:pointer}
.service-option input{position:absolute;opacity:0;pointer-events:none}
.service-card{
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px;
  background:var(--panel-2);
  display:flex;
  flex-direction:column;
  gap:4px;
  text-align:center;
}
.service-hours{
  font-size:22px;
  font-weight:800;
}
.service-name{font-size:12px;color:var(--muted)}
.service-price{font-size:13px;font-weight:700}
.service-option input:checked + .service-card{
  border-color:rgba(79,124,255,.6);
  box-shadow:0 10px 20px rgba(79,124,255,.25);
  background:linear-gradient(135deg,rgba(79,124,255,.22),rgba(47,212,255,.12));
}

@media (max-width:980px){
  .app-shell{flex-direction:column}
  .sidebar{
    width:240px;
    height:100vh;
    position:fixed;
    left:0;
    top:0;
    border-right:1px solid rgba(255,255,255,.06);
    border-bottom:none;
    transform:translateX(-100%);
    transition:transform .2s ease;
    z-index:50;
  }
  body.sidebar-open .sidebar{transform:translateX(0)}
  .menu{flex-direction:column;overflow:visible;padding-bottom:0}
  .menu a{flex:0 0 auto;white-space:nowrap;justify-content:flex-start}
  .main{padding:16px}
  .topbar{flex-direction:row;align-items:center;gap:10px;flex-wrap:wrap}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .card{overflow-x:hidden}
  table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  th,td{padding:8px;font-size:13px;white-space:nowrap}
}