/* Modern UI overrides (safe / non-breaking) */

:root{
  --ui-bg:#0b1220;
  --ui-bg2:#0f1a30;
  --ui-card:#0e172a;
  --ui-border:rgba(255,255,255,.09);
  --ui-text:rgba(255,255,255,.92);
  --ui-text-dim:rgba(255,255,255,.72);
  --ui-accent:#3b82f6;
  --ui-accent2:#60a5fa;
  --ui-danger:#ef4444;
}

html, body{ height:100%; }

body{
  background:
    radial-gradient(1200px 800px at 20% 0%, rgba(59,130,246,.22) 0%, rgba(11,18,32,0) 60%),
    radial-gradient(1200px 800px at 90% 10%, rgba(96,165,250,.15) 0%, rgba(11,18,32,0) 55%),
    linear-gradient(180deg, var(--ui-bg2) 0%, var(--ui-bg) 55%, #060a12 100%);
  color: var(--ui-text);
}

/* Topbar + content spacing */
#content-wrapper{ background: transparent !important; }
.topbar{ backdrop-filter: blur(10px); background: rgba(14,23,42,.65) !important; border-bottom: 1px solid var(--ui-border); }
.container-fluid{ padding-top: 14px; }

/* Sidebar */
.sidebar{ border-right: 1px solid var(--ui-border); }
.sidebar .nav-item .nav-link{
  color: rgba(255,255,255,.80) !important;
  border-radius: 12px;
  margin: 4px 10px;
  transition: all .15s ease;
}
.sidebar .nav-item .nav-link:hover{
  background: rgba(59,130,246,.12);
  color: #fff !important;
}
.sidebar .nav-item.active .nav-link{
  background: rgba(59,130,246,.18);
  color: #fff !important;
}
.text-menu-header{
  display:block;
  margin: 14px 14px 6px;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

/* Cards */
.card{
  background: rgba(14,23,42,.72) !important;
  border: 1px solid var(--ui-border) !important;
  border-radius: 18px !important;
  box-shadow: 0 10px 30px rgba(0,0,0,.25) !important;
}
.card-header{
  background: rgba(14,23,42,.55) !important;
  border-bottom: 1px solid var(--ui-border) !important;
}

/* Tables */
.table{ color: var(--ui-text) !important; }
.table thead th{
  border-bottom: 1px solid var(--ui-border) !important;
  color: rgba(255,255,255,.78) !important;
}
.table td, .table th{ border-top: 1px solid rgba(255,255,255,.06) !important; }
.table-hover tbody tr:hover{ background: rgba(59,130,246,.08) !important; }

/* Inputs */
.form-control, .custom-select{
  background: rgba(255,255,255,.04) !important;
  border: 1px solid rgba(255,255,255,.10) !important;
  color: var(--ui-text) !important;
  border-radius: 14px !important;
}
.form-control:focus, .custom-select:focus{
  border-color: rgba(96,165,250,.85) !important;
  box-shadow: 0 0 0 .2rem rgba(96,165,250,.15) !important;
}
::placeholder{ color: rgba(255,255,255,.45) !important; }

/* Buttons */
.btn{ border-radius: 14px !important; }
.btn-primary{
  background: linear-gradient(135deg, var(--ui-accent), var(--ui-accent2)) !important;
  border: 0 !important;
  box-shadow: 0 10px 18px rgba(59,130,246,.18);
}
.btn-primary:hover{ filter: brightness(1.05); }
.btn-danger{ background: var(--ui-danger) !important; border: 0 !important; }

/* Badges */
.badge, .badge-pill{ border-radius: 999px !important; }

/* Login page helpers (used by login.php) */
.login-wrap{
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 28px 14px;
}
.login-card{
  width: 100%;
  max-width: 420px;
  padding: 22px 22px 18px;
}
.login-logo{
  width: 170px;
  max-width: 70%;
  height: auto;
  display:block;
  margin: 6px auto 14px;
  border-radius: 14px;
}
.login-title{
  font-weight: 800;
  text-align:center;
  margin: 6px 0 18px;
  letter-spacing: .2px;
}

/* Mobile tweaks */
@media (max-width: 767px){
  .card{ border-radius: 16px !important; }
}