:root{
  --primary:#0D6EFD;
  --primary-soft:#E6F0FF;
  --dark:#020617;
  --muted:#6b7280;
  --bg:#F3F4F6;
  --card:#ffffff;
  --border:#E5E7EB;
  --radius:14px;
  --shadow:0 18px 45px rgba(15,23,42,.06);
  --sidebar-width:230px;
  --max-width:1100px;
}

*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--dark);
}

/* =========================
   LOGIN
   ========================= */
.admin-login-body{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:radial-gradient(circle at top,#E0EAFF,#F3F4F6);
}
.admin-login-shell{
  width:100%;
  max-width:380px;
  padding:1.5rem;
}
.admin-login-box{
  background:#ffffff;
  border-radius:20px;
  padding:1.6rem 1.7rem;
  box-shadow:var(--shadow);
  border:1px solid rgba(148,163,184,.35);
}
.admin-login-brand{
  display:flex;
  align-items:center;
  gap:.75rem;
  margin-bottom:1.1rem;
}
.admin-logo-circle{
  width:38px;height:38px;
  border-radius:999px;
  background:radial-gradient(circle at 30% 20%, #FACC15, #0D6EFD);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:1rem;
}
.admin-login-title{font-weight:700;font-size:1rem;}
.admin-login-sub{font-size:.8rem;color:var(--muted);}
.admin-login-form label{
  font-size:.8rem;
  color:var(--muted);
  display:block;
  margin-bottom:.65rem;
}
.admin-login-form input{
  width:100%;
  margin-top:.15rem;
  padding:.5rem .65rem;
  border-radius:10px;
  border:1px solid rgba(148,163,184,.7);
  font-size:.86rem;
}
.admin-login-form input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 1px rgba(37,99,235,.35);
}
.admin-login-form button{
  margin-top:.3rem;
}

/* =========================
   ADMIN SHELL LAYOUT
   ========================= */
.admin-shell{
  min-height:100vh;
  display:flex;
}
.admin-sidebar{
  width:var(--sidebar-width);
  background:#020617;
  color:#E5E7EB;
  padding:1.1rem 1.1rem;
  display:flex;
  flex-direction:column;
  flex-shrink:0;
}
.admin-logo{
  display:flex;
  align-items:center;
  gap:.6rem;
  margin-bottom:1.5rem;
}
.admin-logo-text{
  font-size:.9rem;
  font-weight:700;
}
.admin-nav a{
  display:block;
  padding:.45rem .4rem;
  border-radius:8px;
  font-size:.82rem;
  color:#CBD5F5;
  margin-bottom:.2rem;
}
.admin-nav a:hover{
  background:rgba(37,99,235,.2);
  color:#ffffff;
}
.admin-nav-logout{
  margin-top:auto;
  border-top:1px solid rgba(148,163,184,.4);
  padding-top:.6rem;
  color:#FCA5A5;
}

/* Active state helper (from PHP) */
.admin-nav-link.is-active{
  background:rgba(37,99,235,.25);
  color:#fff;
}

/* MAIN AREA */
.admin-main{
  flex:1;
  display:flex;
  flex-direction:column;
  min-height:100vh;
}
.admin-topbar{
  background:#ffffff;
  border-bottom:1px solid var(--border);
  padding:.75rem 1.5rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.admin-topbar-title{
  font-size:.9rem;
  font-weight:600;
}
.admin-topbar-tagline{
  font-size:.8rem;
  color:var(--muted);
  margin-left:.35rem;
}
.admin-topbar-user{
  display:flex;
  align-items:center;
  gap:.4rem;
  font-size:.8rem;
}
.admin-topbar-role{
  padding:.1rem .5rem;
  border-radius:999px;
  background:#EFF6FF;
  color:#1D4ED8;
}

/* Mobile menu toggle */
.admin-menu-toggle{
  display:none; /* shown only on mobile */
  border:none;
  background:transparent;
  cursor:pointer;
  padding:.3rem;
  margin-right:.25rem;
}
.admin-menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:999px;
  background:#0f172a;
  margin:3px 0;
  transition:transform .16s ease, opacity .16s ease;
}

/* Animate to X when open */
.admin-shell.admin-nav-open .admin-menu-toggle span:nth-child(1){
  transform:translateY(5px) rotate(45deg);
}
.admin-shell.admin-nav-open .admin-menu-toggle span:nth-child(2){
  opacity:0;
}
.admin-shell.admin-nav-open .admin-menu-toggle span:nth-child(3){
  transform:translateY(-5px) rotate(-45deg);
}

.admin-content{
  padding:1.6rem 1.6rem 2rem;
  max-width:var(--max-width);
  margin:0 auto;
}

/* =========================
   GENERIC BUTTONS / ALERTS
   ========================= */
.btn{
  border-radius:999px;
  padding:.55rem 1.15rem;
  font-size:.82rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.35rem;
  transition:.18s ease;
}
.btn-primary{
  background:var(--primary);
  color:#ffffff;
  box-shadow:0 10px 25px rgba(37,99,235,.35);
}
.btn-primary:hover{
  background:#0b5bd3;
}
.btn-block{width:100%;justify-content:center;}

.admin-page-title{
  font-size:1.35rem;
  margin-bottom:1rem;
}

.admin-alert{
  padding:.5rem .7rem;
  border-radius:8px;
  font-size:.8rem;
  margin-bottom:.8rem;
}
.admin-alert-success{
  background:#DCFCE7;
  color:#166534;
}
.admin-alert-error{
  background:#FEE2E2;
  color:#991B1B;
}

/* =========================
   CARDS
   ========================= */
.admin-cards-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1rem;
  margin-bottom:1.2rem;
}
.admin-card{
  background:#ffffff;
  border-radius:var(--radius);
  border:1px solid var(--border);
  padding:1rem 1rem;
  box-shadow:var(--shadow);
}
.admin-card-label{
  font-size:.78rem;
  color:var(--muted);
  margin-bottom:.15rem;
}
.admin-card-value{
  font-size:1.35rem;
  font-weight:700;
  margin-bottom:.2rem;
}
.admin-card-footer a{
  font-size:.78rem;
  color:#1D4ED8;
}

.admin-card-header{
  margin-bottom:.6rem;
}
.admin-card-title{
  font-size:.95rem;
  font-weight:600;
}
.admin-card-subtitle{
  font-size:.8rem;
  color:#6b7280;
}

/* =========================
   TABLES & FORMS
   ========================= */
.admin-table{
  width:100%;
  border-collapse:collapse;
  background:#ffffff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  margin-top:.8rem;
}
.admin-table th,
.admin-table td{
  padding:.55rem .7rem;
  border-bottom:1px solid var(--border);
  font-size:.8rem;
}
.admin-table th{
  text-align:left;
  background:#F9FAFB;
  font-weight:600;
  color:var(--muted);
}
.admin-table tr:nth-child(even) td{
  background:#F9FAFB;
}

.admin-form{
  background:#ffffff;
  border-radius:var(--radius);
  padding:1rem 1rem;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  margin-bottom:1rem;
}
.admin-form label{
  display:block;
  font-size:.8rem;
  color:var(--muted);
  margin-bottom:.55rem;
}
.admin-form input,
.admin-form select,
.admin-form textarea{
  width:100%;
  margin-top:.15rem;
  padding:.45rem .6rem;
  border-radius:8px;
  border:1px solid rgba(148,163,184,.7);
  font-size:.84rem;
}
.admin-form textarea{
  resize:vertical;
  min-height:80px;
}
.admin-form-inline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr)) auto;
  gap:.8rem;
}
.admin-section-title{
  font-size:1rem;
  margin:1rem 0 .4rem;
}

/* =========================
   RESPONSIVE
   ========================= */

/* Sidebar becomes off-canvas drawer on mobile */
@media (max-width:900px){
  .admin-shell{
    flex-direction:column;
  }

  .admin-sidebar{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    width:220px;
    padding:1rem 1rem;
    transform:translateX(-100%);
    transition:transform .2s ease, box-shadow .2s ease;
    z-index:50;
  }

  .admin-shell.admin-nav-open .admin-sidebar{
    transform:translateX(0);
    box-shadow:0 0 0 9999px rgba(15,23,42,.45);
  }

  .admin-menu-toggle{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
  }

  .admin-topbar{
    position:sticky;
    top:0;
    z-index:40;
    padding:.65rem 1rem;
  }

  .admin-topbar-title{
    font-size:.86rem;
  }

  .admin-topbar-user{
    font-size:.78rem;
    flex-wrap:wrap;
    justify-content:flex-end;
  }

  .admin-content{
    padding:1rem 1rem 1.5rem;
    max-width:100%;
  }

  .admin-cards-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

/* Small phones */
@media (max-width:640px){
  .admin-cards-grid{
    grid-template-columns:minmax(0,1fr);
  }

  .admin-topbar{
    flex-wrap:wrap;
    align-items:flex-start;
  }

  .admin-topbar-user{
    width:100%;
    justify-content:flex-start;
  }
}




@media (max-width:900px){
  .admin-shell{
    flex-direction:column;
  }

  .admin-sidebar{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    width:220px;
    padding:1rem 1rem;
    transform:translateX(-100%);
    transition:transform .2s ease, box-shadow .2s ease;
    z-index:40; /* LOWER than topbar */
  }

  .admin-shell.admin-nav-open .admin-sidebar{
    transform:translateX(0);
    box-shadow:0 0 0 9999px rgba(15,23,42,.35); /* a little lighter so content still visible */
  }

  .admin-menu-toggle{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
  }

  .admin-topbar{
    position:sticky;
    top:0;
    z-index:60; /* HIGHER than sidebar + overlay */
    padding:.65rem 1rem;
    background:#ffffff; /* ensure it stays solid above overlay */
  }
}


/* Burger animation (optional) */
.admin-menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:999px;
  background:#0f172a;
  margin:3px 0;
  transition:transform .16s ease, opacity .16s ease;
}
.admin-shell.admin-nav-open .admin-menu-toggle span:nth-child(1){
  transform:translateY(5px) rotate(45deg);
}
.admin-shell.admin-nav-open .admin-menu-toggle span:nth-child(2){
  opacity:0;
}
.admin-shell.admin-nav-open .admin-menu-toggle span:nth-child(3){
  transform:translateY(-5px) rotate(-45deg);
}