/* =====================================================================
   NITS Tech Business Administration — Dashboard shell
   File: /includes/css/dashboard.css
   Works for /client, /personnel and /admin.

   Ownership rules:
     • Materialize owns the mobile drawer mechanics only.
     • This stylesheet owns desktop width, collapsed width, main
       margin, top nav, account dropdown, iframe sizing.
     • Desktop state: .dash-collapsed on <body>
     • Mobile state:  .dash-mobile-open on <body>
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. Tokens
   --------------------------------------------------------------------- */
:root{
  --dash-blue:#1565c0;
  --dash-blue-dark:#0d47a1;
  --dash-navy:#0d2b4e;

  --dash-ink:#333333;
  --dash-muted:#5f6368;

  --dash-line:#e0e0e0;
  --dash-line-soft:#eceff3;

  --dash-sidebar-w:260px;
  --dash-sidebar-w-collapsed:72px;

  --dash-nav-h:56px;

  --dash-transition:.18s ease;
}

/* ---------------------------------------------------------------------
   2. Base
   --------------------------------------------------------------------- */
html,
body{
  height:100%;
  margin:0;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html,
body,
.dash-body,
.dash-sidebar,
.dash-iframe{
  background:#ffffff;
}

iframe.dash-iframe{
  background:#ffffff;
}

.dash-body{
  margin:0;
  font-family:Roboto, system-ui, -apple-system, "Segoe UI", sans-serif;
  color:var(--dash-ink);
}

/* ---------------------------------------------------------------------
   3. Material icons — one rule per context, no :not() hacks
   --------------------------------------------------------------------- */
.material-icons{
  color:var(--dash-muted);
  background:transparent;
}

.dash-sidebar .dash-nav-item .material-icons,
.dash-topnav .material-icons,
#user-menu .material-icons{
  color:var(--dash-muted);
  background:transparent;
}

.dash-sidebar .dash-nav-item:hover .material-icons,
.dash-sidebar .dash-nav-item.is-active .material-icons,
.dash-topnav .sidenav-trigger:hover .material-icons,
.dash-topnav ul.right li a:hover .material-icons,
#user-menu li > a:hover .material-icons,
#user-menu li > a:focus .material-icons{
  color:var(--dash-blue);
}

/* The avatar is the one intentional white-on-colour case. */
.dash-avatar{
  color:#ffffff;
}

/* ---------------------------------------------------------------------
   4. Sidebar shell
   --------------------------------------------------------------------- */
.sidenav.dash-sidebar{
  width:var(--dash-sidebar-w);
  background:#ffffff;
  border-right:1px solid var(--dash-line);
  padding-bottom:16px;

  overflow-x:hidden;
  overflow-y:auto;

  scrollbar-width:thin;

  transition:
    width var(--dash-transition),
    transform .25s ease;
}

.sidenav.dash-sidebar .dash-brand{
  padding:14px 20px;
  margin:0;

  display:flex;
  align-items:center;
  justify-content:center;

  background:#ffffff;
  border-bottom:1px solid #eeeeee;

  transition:padding var(--dash-transition);
}

.sidenav.dash-sidebar .dash-brand img{
  max-width:150px;
  height:auto;
  display:block;
  transition:max-width var(--dash-transition);
}

.sidenav.dash-sidebar li{
  padding:0;
  margin:0;
}

.sidenav.dash-sidebar li a{
  display:flex;
  align-items:center;

  min-height:40px;
  padding:9px 20px;
  gap:14px;

  background:#ffffff;
  color:var(--dash-ink);

  font-size:13.5px;
  line-height:1.4;
  text-decoration:none;

  transition:
    background .12s ease,
    color .12s ease,
    padding var(--dash-transition),
    gap var(--dash-transition);
}

.sidenav.dash-sidebar li a:hover{
  background:#f8fafc;
  color:var(--dash-blue);
}

.sidenav.dash-sidebar li a .material-icons{
  flex:0 0 18px;
  width:18px;
  height:18px;
  margin:0;
  font-size:18px;
  line-height:18px;
}

.sidenav.dash-sidebar li a .nav-label{
  flex:1 1 auto;
  min-width:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.sidenav.dash-sidebar li a.dash-nav-item.is-active{
  background:#f5f8fc;
  color:var(--dash-blue);
  font-weight:500;
  border-right:3px solid var(--dash-blue);
}

.sidenav.dash-sidebar li a .badge{
  flex:0 0 auto;
  float:none;
  margin-left:auto;

  min-width:18px;
  height:18px;
  padding:0 6px;

  border-radius:9px;
  background:var(--dash-blue);
  color:#ffffff;

  font-size:10px;
  font-weight:700;
  line-height:18px;
  text-align:center;
}

.sidenav.dash-sidebar .dash-section{
  margin:0;
  padding:14px 20px 5px;

  background:#ffffff;
  color:#9aa7b8;

  font-size:10px;
  font-weight:700;
  letter-spacing:.10em;
  line-height:1;
  text-transform:uppercase;

  transition:padding var(--dash-transition);
}

.sidenav.dash-sidebar li a[href="/logout.php"]{
  margin-top:8px;
  border-top:1px solid #f0f2f6;
}

/* ---------------------------------------------------------------------
   5. Main column
   --------------------------------------------------------------------- */
.dash-main{
  margin-left:var(--dash-sidebar-w);
  min-height:100vh;

  display:flex;
  flex-direction:column;

  background:#ffffff;

  transition:margin-left var(--dash-transition);
}

/* ---------------------------------------------------------------------
   6. Top navigation
   --------------------------------------------------------------------- */
.dash-topnav{
  height:var(--dash-nav-h);
  min-height:var(--dash-nav-h);
  line-height:var(--dash-nav-h);

  background:#ffffff;
  color:var(--dash-ink);

  border-bottom:1px solid var(--dash-line);
  box-shadow:none;
  z-index:900;
}

.dash-topnav .nav-wrapper{
  height:var(--dash-nav-h);
  padding:0 12px 0 0;

  display:flex;
  align-items:center;

  background:#ffffff;
}

.dash-topnav .sidenav-trigger{
  display:inline-flex !important;
  align-items:center;
  justify-content:center;

  width:var(--dash-nav-h);
  height:var(--dash-nav-h);
  margin:0;
  padding:0;

  color:var(--dash-muted);
  background:#ffffff;
  cursor:pointer;
}

.dash-topnav .sidenav-trigger:hover{
  color:var(--dash-blue);
  background:#f8fafc;
}

.dash-topnav .sidenav-trigger .material-icons{
  font-size:22px;
  line-height:1;
  color:inherit;
}

.dash-topnav .dash-page-title{
  display:inline-flex;
  align-items:center;

  height:var(--dash-nav-h);
  padding:0 6px;
  margin:0;

  color:var(--dash-navy);
  background:#ffffff;

  font-size:15px;
  font-weight:600;
  line-height:var(--dash-nav-h);
  text-decoration:none;
  white-space:nowrap;
}

.dash-topnav ul.right{
  height:var(--dash-nav-h);
  margin:0 0 0 auto;
  padding:0;

  display:flex;
  align-items:center;

  background:#ffffff;
}

.dash-topnav ul.right li{
  height:var(--dash-nav-h);
  margin:0;
  padding:0;

  display:flex;
  align-items:center;

  background:#ffffff;
}

.dash-topnav ul.right li a{
  height:var(--dash-nav-h);
  min-width:52px;
  padding:0;

  display:inline-flex;
  align-items:center;
  justify-content:center;

  color:var(--dash-muted);
  background:#ffffff;
  text-decoration:none;
}

.dash-topnav ul.right li a:hover{
  color:var(--dash-blue);
  background:#f8fafc;
}

.dash-topnav ul.right .material-icons{
  font-size:22px;
  line-height:1;
  color:inherit;
}

/* Bell + red dot */
.dash-topnav .dash-bell{
  position:relative;
}

.dash-topnav .dash-bell__dot{
  position:absolute;
  top:12px;
  right:14px;

  width:8px;
  height:8px;
  border-radius:50%;
  background:#e53935;
  pointer-events:none;
}

/* User pill */
.dash-topnav .dash-user-trigger{
  width:auto !important;
  min-width:0 !important;
  padding:0 12px !important;

  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;

  height:var(--dash-nav-h);
  background:#ffffff;
}

.dash-topnav .dash-user-trigger .material-icons{
  font-size:18px;
  line-height:1;
  color:var(--dash-muted);
}

.dash-avatar{
  width:34px;
  height:34px;
  flex:0 0 34px;

  display:inline-flex;
  align-items:center;
  justify-content:center;

  border-radius:50%;
  background:var(--dash-blue);

  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  line-height:1;
}

/* ---------------------------------------------------------------------
   7. Account dropdown
   --------------------------------------------------------------------- */
#user-menu.dropdown-content{
  width:250px;
  min-width:250px;
  max-width:250px;

  margin:0;
  padding:0;

  background:#ffffff;
  border:1px solid var(--dash-line);
  border-radius:8px;
  overflow:hidden;

  box-shadow:0 8px 24px rgba(0,0,0,.12);
  z-index:1100;
}

#user-menu li{
  min-height:0;
  margin:0;
  padding:0;
  list-style:none;
  background:#ffffff;
}

#user-menu li > a{
  width:100%;
  min-height:42px;
  padding:10px 16px;

  display:flex;
  align-items:center;
  gap:12px;

  background:#ffffff;
  color:var(--dash-ink);

  font-size:13.5px;
  line-height:1.3;
  text-decoration:none;
  white-space:nowrap;
}

#user-menu li > a:hover,
#user-menu li > a:focus{
  background:#f7f9fb;
  color:var(--dash-blue);
  outline:none;
}

#user-menu li > a .material-icons{
  flex:0 0 20px;
  width:20px;
  height:20px;
  font-size:20px;
  line-height:20px;
  text-align:center;
  color:var(--dash-muted);
}

#user-menu li > a > span{
  flex:1 1 auto;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

#user-menu .dash-user-head{
  padding:14px 16px 12px;
  background:#ffffff;
}

#user-menu .dash-user-head__name{
  margin:0;
  color:var(--dash-navy);
  font-size:14px;
  font-weight:600;
  line-height:1.35;

  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

#user-menu .dash-user-head__email{
  margin-top:3px;
  color:var(--dash-muted);
  font-size:12px;
  line-height:1.35;

  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

#user-menu li.divider{
  height:1px;
  min-height:1px;
  margin:0;
  background:var(--dash-line-soft) !important;
}

/* ---------------------------------------------------------------------
   8. Iframe canvas
   --------------------------------------------------------------------- */
.dash-canvas{
  flex:1 1 auto;
  min-height:0;
  display:flex;
  background:#ffffff;
}

.dash-iframe{
  flex:1 1 auto;
  width:100%;
  height:100%;
  min-height:calc(100vh - var(--dash-nav-h));

  display:block;
  border:0;
  background:#ffffff;
}

/* ---------------------------------------------------------------------
   9. Desktop collapsed state
   --------------------------------------------------------------------- */
@media screen and (min-width:992px){

  .dash-body.dash-collapsed .sidenav.dash-sidebar{
    width:var(--dash-sidebar-w-collapsed);
  }
  .dash-body.dash-collapsed .dash-main{
    margin-left:var(--dash-sidebar-w-collapsed);
  }

  .dash-body.dash-collapsed .sidenav.dash-sidebar .dash-brand{
    padding:14px 8px;
  }
  .dash-body.dash-collapsed .sidenav.dash-sidebar .dash-brand img{
    max-width:40px;
  }

  .dash-body.dash-collapsed .sidenav.dash-sidebar li a{
    justify-content:center;
    padding:10px 0;
    gap:0;
    position:relative;
  }
  .dash-body.dash-collapsed .sidenav.dash-sidebar li a .nav-label{
    display:none;
  }
  .dash-body.dash-collapsed .sidenav.dash-sidebar li a .material-icons{
    flex:0 0 20px;
    width:20px;
    height:20px;
    font-size:20px;
    line-height:20px;
  }

  .dash-body.dash-collapsed .sidenav.dash-sidebar li a .badge{
    position:absolute;
    top:6px;
    right:10px;

    min-width:17px;
    height:17px;
    padding:0 4px;
    margin:0;

    transform:scale(.8);
    transform-origin:top right;
    line-height:17px;
  }

  .dash-body.dash-collapsed .sidenav.dash-sidebar .dash-section{
    padding:10px 0;
    font-size:0;
    text-align:center;
  }
  .dash-body.dash-collapsed .sidenav.dash-sidebar .dash-section .nav-label{
    display:none;
  }
  .dash-body.dash-collapsed .sidenav.dash-sidebar .dash-section::before{
    content:"";
    display:block;
    height:1px;
    margin:0 14px;
    background:var(--dash-line);
  }
}

/* ---------------------------------------------------------------------
   10. Mobile — Materialize drawer, full rail, no desktop collapse
   --------------------------------------------------------------------- */
@media screen and (max-width:991px){

  .dash-main{
    margin-left:0 !important;
  }

  /* Mobile never uses the mini-rail */
  .dash-body.dash-collapsed .sidenav.dash-sidebar{
    width:var(--dash-sidebar-w);
  }
  .dash-body.dash-collapsed .dash-main{
    margin-left:0 !important;
  }

  .sidenav.dash-sidebar{
    width:var(--dash-sidebar-w);
  }
  .sidenav.dash-sidebar .dash-brand{
    padding:14px 20px;
  }
  .sidenav.dash-sidebar .dash-brand img{
    max-width:150px;
  }
  .sidenav.dash-sidebar li a{
    justify-content:flex-start;
    padding:9px 20px;
    gap:14px;
  }
  .sidenav.dash-sidebar li a .nav-label{
    display:inline;
  }
  .sidenav.dash-sidebar li a .material-icons{
    flex:0 0 18px;
    width:18px;
    height:18px;
    font-size:18px;
    line-height:18px;
  }
  .sidenav.dash-sidebar li a .badge{
    position:static;
    margin-left:auto;
    transform:none;
  }
  .sidenav.dash-sidebar .dash-section{
    padding:14px 20px 5px;
    font-size:10px;
    text-align:left;
  }
  .sidenav.dash-sidebar .dash-section .nav-label{
    display:inline;
  }
  .sidenav.dash-sidebar .dash-section::before{
    display:none;
  }

  .dash-topnav .nav-wrapper{
    padding-right:4px;
  }
  .dash-topnav .dash-page-title{
    max-width:40vw;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .dash-topnav .dash-user-trigger{
    padding:0 8px !important;
  }

  #user-menu.dropdown-content{
    width:250px;
    min-width:250px;
    max-width:calc(100vw - 20px);
  }
}

/* ---------------------------------------------------------------------
   11. Very small screens
   --------------------------------------------------------------------- */
@media screen and (max-width:420px){
  .dash-topnav .dash-page-title{
    max-width:32vw;
    font-size:14px;
  }
  .dash-topnav ul.right li a{
    min-width:44px;
  }
  .dash-avatar{
    width:32px;
    height:32px;
    flex-basis:32px;
  }
  #user-menu.dropdown-content{
    width:240px;
    min-width:240px;
  }
}

/* ---------------------------------------------------------------------
   12. Reduced motion
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  .sidenav.dash-sidebar,
  .dash-main,
  .sidenav.dash-sidebar .dash-brand,
  .sidenav.dash-sidebar .dash-brand img,
  .sidenav.dash-sidebar li a{
    transition:none !important;
  }
}