@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg:#080c14;--bg-surface:#0f1422;--bg-card:#141929;--bg-input:#1c2236;
  --border:rgba(255,255,255,0.07);--border-h:rgba(255,255,255,0.14);
  --accent:#4361ee;--accent-h:#3451db;--accent-glow:rgba(67,97,238,0.25);
  --accent-soft:rgba(67,97,238,0.12);--cyan:#06c0e8;--cyan-glow:rgba(6,192,232,0.18);
  --success:#10b981;--success-bg:rgba(16,185,129,0.12);
  --danger:#ef4444;--danger-bg:rgba(239,68,68,0.12);
  --warning:#f59e0b;--warning-bg:rgba(245,158,11,0.12);
  --text:#e2e8f6;--text-sec:#8892a4;--text-muted:#4d5668;
  --sidebar-w:260px;--topbar-h:64px;--radius:10px;--radius-lg:16px;
  --ease:all 0.25s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;
  --border: #e2e8f0;
  --border-h: #cbd5e1;
  --text: #0f172a;
  --text-sec: #475569;
  --text-muted: #94a3b8;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;-webkit-font-smoothing:antialiased}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}
a{color:inherit;text-decoration:none}ul{list-style:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
input,select,textarea{font-family:inherit}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:4px}
[data-theme="light"] ::-webkit-scrollbar-thumb{background:rgba(0,0,0,0.2)}

/* LAYOUT */
.app{display:flex;min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;height:100vh;width:var(--sidebar-w);
  background:var(--bg-surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:1000;
  transition:transform 0.35s cubic-bezier(0.4,0,0.2,1), width 0.25s cubic-bezier(0.4,0,0.2,1);
}
.sidebar-brand{
  padding:18px 20px;display:flex;align-items:center;gap:12px;
  border-bottom:1px solid var(--border);min-height:var(--topbar-h);
}
.brand-icon{
  width:38px;height:38px;min-width:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;color:#fff;box-shadow:0 4px 18px var(--accent-glow);
}
.brand-name{font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden}
.brand-sub{font-size:10.5px;color:var(--text-muted);display:block;margin-top:1px}
.sidebar-nav{flex:1;overflow-y:auto;padding:14px 10px;display:flex;flex-direction:column;gap:2px}
.nav-label{font-size:10px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--text-muted);padding:12px 10px 4px;white-space:nowrap}
.nav-link{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--radius);
  color:var(--text-sec);font-size:13.5px;font-weight:500;white-space:nowrap;
  overflow:hidden;transition:var(--ease);position:relative;
}
.nav-link:hover{background:rgba(255,255,255,0.05);color:var(--text)}
[data-theme="light"] .nav-link:hover{background:rgba(0,0,0,0.04)}
.nav-link.active{background:var(--accent-soft);color:#a5b4fc;font-weight:600}
.nav-link.active::after{
  content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:3px;height:55%;background:var(--accent);border-radius:3px 0 0 3px;
}
.nav-icon{font-size:17px;min-width:20px;text-align:center}
.sidebar-foot{padding:14px 10px;border-top:1px solid var(--border)}
.sidebar-user{display:flex;align-items:center;gap:10px;padding:10px;border-radius:var(--radius);overflow:hidden}
.s-avatar{
  width:34px;height:34px;min-width:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--cyan));
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:#fff;
}
.s-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.s-role{font-size:11px;color:var(--text-muted);text-transform:capitalize}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:999;backdrop-filter:blur(3px)}

/* MAIN */
.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh;transition:var(--ease)}

/* ── Collapsed sidebar: icon-only mode ── */
body.sidebar-collapsed .sidebar{width:64px;overflow-x:hidden;overflow-y:auto}
body.sidebar-collapsed .main{margin-left:64px}
body.sidebar-collapsed .brand-name,
body.sidebar-collapsed .brand-sub,
body.sidebar-collapsed .nav-label,
body.sidebar-collapsed .s-name,
body.sidebar-collapsed .s-role,
body.sidebar-collapsed .nav-text{display:none!important}
body.sidebar-collapsed .sidebar-brand{justify-content:center;padding:18px 8px}
body.sidebar-collapsed .sidebar-nav{padding:14px 4px}
body.sidebar-collapsed .nav-link{display:flex;justify-content:center;align-items:center;padding:10px 0;gap:0;width:100%}
body.sidebar-collapsed .nav-link .nav-icon{display:inline-block;min-width:auto;font-size:20px;text-align:center}
body.sidebar-collapsed .nav-link.active::after{display:none}
body.sidebar-collapsed .sidebar-foot{padding:10px 4px}
body.sidebar-collapsed .sidebar-user{justify-content:center;padding:6px}
.topbar{
  position:sticky;top:0;height:var(--topbar-h);background:var(--bg-surface);
  border-bottom:1px solid var(--border);display:flex;align-items:center;
  padding:0 24px;gap:16px;z-index:100;
}
.topbar-left{flex:1;display:flex;align-items:center;gap:14px}
.hamburger{
  display:flex;width:34px;height:34px;border-radius:8px;
  background:rgba(255,255,255,0.05);align-items:center;justify-content:center;
  color:var(--text);font-size:20px;transition:var(--ease);
}
.hamburger:hover{background:rgba(255,255,255,0.1)}
[data-theme="light"] .hamburger{background:rgba(0,0,0,0.03)}
[data-theme="light"] .hamburger:hover{background:rgba(0,0,0,0.06)}
.page-title{font-size:17px;font-weight:700}
.topbar-right{display:flex;align-items:center;gap:8px}
.t-btn{
  width:34px;height:34px;border-radius:8px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sec);font-size:17px;transition:var(--ease);
}
.t-btn:hover{background:rgba(255,255,255,0.06);color:var(--text)}
[data-theme="light"] .t-btn{background:rgba(0,0,0,0.03)}
[data-theme="light"] .t-btn:hover{background:rgba(0,0,0,0.06)}
.page-content{flex:1;padding:24px}

/* STATS */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:24px}
.stat-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:20px;position:relative;overflow:hidden;transition:var(--ease);
}
.stat-card:hover{border-color:var(--border-h);transform:translateY(-2px)}
.stat-card::after{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--cyan));
  transform:scaleX(0);transition:var(--ease);transform-origin:left;
}
.stat-card:hover::after{transform:scaleX(1)}
.stat-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px}
.stat-icon.blue{background:var(--accent-soft);color:#a5b4fc}
.stat-icon.green{background:var(--success-bg);color:var(--success)}
.stat-icon.amber{background:var(--warning-bg);color:var(--warning)}
.stat-icon.red{background:var(--danger-bg);color:var(--danger)}
.stat-value{font-size:26px;font-weight:700;margin-bottom:4px}
.stat-label{font-size:12px;color:var(--text-sec)}

/* CARD */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.card-title{font-size:15px;font-weight:600}
.card-body{padding:20px}

/* TOOLBAR */
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.toolbar-left{flex:1;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar-right{display:flex;gap:8px;flex-wrap:wrap}

/* FORM */
.form-control{
  background:var(--bg-input);border:1px solid var(--border);color:var(--text);
  border-radius:8px;padding:9px 13px;font-size:13.5px;transition:var(--ease);width:100%;
}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form-control::placeholder{color:var(--text-muted)}
select.form-control option{background:var(--bg-card)}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12.5px;font-weight:600;color:var(--text-sec);margin-bottom:6px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.search-input{width:220px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:8px;font-size:13.5px;font-weight:600;transition:var(--ease);white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px var(--accent-glow)}
.btn-primary:hover{background:var(--accent-h);transform:translateY(-1px)}
.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(239,68,68,0.25)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-ghost{background:rgba(255,255,255,0.05);color:var(--text-sec);border:1px solid var(--border)}
.btn-ghost:hover{background:rgba(255,255,255,0.1);color:var(--text)}
[data-theme="light"] .btn-ghost{background:rgba(0,0,0,0.03)}
[data-theme="light"] .btn-ghost:hover{background:rgba(0,0,0,0.06)}
.btn-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(16,185,129,0.25)}
.btn-success:hover{background:var(--success);color:#fff}
.btn-sm{padding:6px 12px;font-size:12.5px}
.btn-icon{padding:7px;width:32px;height:32px;justify-content:center}

/* TABLE */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{
  background:rgba(255,255,255,0.03);color:var(--text-sec);font-size:11.5px;
  font-weight:600;letter-spacing:0.6px;text-transform:uppercase;
  padding:11px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;
}
[data-theme="light"] thead th{background:#f8fafc}
tbody tr{border-bottom:1px solid var(--border);transition:var(--ease)}
tbody tr:hover{background:rgba(255,255,255,0.03)}
[data-theme="light"] tbody tr:hover{background:rgba(0,0,0,0.02)}
tbody tr:last-child{border-bottom:none}
td{padding:11px 14px;color:var(--text);vertical-align:middle}
.td-actions{display:flex;gap:6px;white-space:nowrap}
.sl-badge{background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:12px;padding:2px 8px;border-radius:20px;display:inline-block}
.empty-state{padding:48px 20px;text-align:center;color:var(--text-muted)}
.empty-icon{font-size:40px;margin-bottom:12px}

/* PAGINATION */
.pagination{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-sec)}
.page-btns{display:flex;gap:6px}
.page-btn{width:30px;height:30px;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text-sec);font-size:12.5px;display:flex;align-items:center;justify-content:center;transition:var(--ease)}
.page-btn:hover,.page-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge-admin{background:var(--accent-soft);color:#a5b4fc;border:1px solid rgba(99,102,241,0.25)}
.badge-staff{background:var(--success-bg);color:var(--success);border:1px solid rgba(16,185,129,0.2)}
.badge-active{background:var(--success-bg);color:var(--success)}
.badge-inactive{background:var(--danger-bg);color:var(--danger)}

/* MODAL */
.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:2000;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.modal-backdrop.open{display:flex}
.modal{background:var(--bg-card);border:1px solid var(--border-h);border-radius:var(--radius-lg);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;animation:slideUp 0.3s cubic-bezier(0.4,0,0.2,1)}
.modal-lg{max-width:820px}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}
.modal-title{font-size:16px;font-weight:700}
.modal-close{width:32px;height:32px;border-radius:8px;background:rgba(255,255,255,0.05);color:var(--text-sec);font-size:18px;display:flex;align-items:center;justify-content:center;transition:var(--ease)}
.modal-close:hover{background:var(--danger-bg);color:var(--danger)}
[data-theme="light"] .modal-close{background:rgba(0,0,0,0.05)}
[data-theme="light"] .modal-close:hover{background:rgba(0,0,0,0.1)}
.modal-body{padding:24px}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border)}

/* TOAST */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:10px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);font-size:13.5px;font-weight:500;min-width:260px;max-width:360px;box-shadow:0 8px 30px rgba(0,0,0,0.5);animation:toastIn 0.35s cubic-bezier(0.4,0,0.2,1)}
[data-theme="light"] .toast{box-shadow:0 8px 30px rgba(0,0,0,0.1)}
.toast.removing{animation:toastOut 0.3s ease forwards}
.toast-icon{font-size:18px;min-width:22px}
.toast.success{border-left:3px solid var(--success)}
.toast.error{border-left:3px solid var(--danger)}
.toast.info{border-left:3px solid var(--accent)}

/* LOGIN */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);position:relative;overflow:hidden;padding:20px}
.login-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 20% 40%,rgba(67,97,238,0.12) 0%,transparent 60%),radial-gradient(ellipse 60% 80% at 80% 70%,rgba(6,192,232,0.08) 0%,transparent 60%)}
.login-card{position:relative;z-index:1;background:var(--bg-card);border:1px solid var(--border-h);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:420px;box-shadow:0 24px 80px rgba(0,0,0,0.6)}
[data-theme="light"] .login-bg{background:radial-gradient(ellipse 80% 60% at 20% 40%,rgba(67,97,238,0.08) 0%,transparent 60%),radial-gradient(ellipse 60% 80% at 80% 70%,rgba(6,192,232,0.05) 0%,transparent 60%)}
[data-theme="light"] .login-card{box-shadow:0 24px 80px rgba(0,0,0,0.05)}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo .icon{width:58px;height:58px;border-radius:16px;margin:0 auto 14px;background:linear-gradient(135deg,var(--accent),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 8px 32px var(--accent-glow);color:#fff;font-weight:800}
.login-logo h1{font-size:20px;font-weight:700;margin-bottom:4px}
.login-logo p{font-size:13px;color:var(--text-sec)}
.input-wrap{position:relative}
.input-wrap .form-control{padding-right:40px}
.input-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);cursor:pointer;font-size:17px;user-select:none}
.login-btn{width:100%;padding:12px;font-size:15px;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--cyan));color:#fff;border-radius:10px;transition:var(--ease);box-shadow:0 6px 24px var(--accent-glow);margin-top:8px}
.login-btn:hover{opacity:0.9;transform:translateY(-1px)}
.alert-box{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:13px;display:flex;align-items:center;gap:8px}
.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(239,68,68,0.25)}
.alert-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(16,185,129,0.25)}

/* PRINT */
@media print{
  .sidebar,.topbar,.toolbar,.btn,.modal-backdrop,.toast-container,.no-print{display:none!important}
  .main{margin-left:0!important}.page-content{padding:0!important}
  .card{border:none!important}body{background:#fff!important;color:#000!important}
  table thead th{background:#eee!important;color:#333!important}td{color:#000!important}
  .print-header{display:block!important}
}
.print-header{display:none;text-align:center;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid #ccc}
.print-header h2{font-size:20px;color:#111}.print-header p{font-size:13px;color:#555}

/* ANIMATIONS */
@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes toastIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}
@keyframes toastOut{to{opacity:0;transform:translateX(30px)}}

/* RESPONSIVE */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}
  body.sidebar-collapsed .sidebar{width:var(--sidebar-w);overflow:visible}
  body.sidebar-collapsed .sidebar.open{transform:translateX(0)}
  body.sidebar-collapsed .main{margin-left:0}
  body.sidebar-collapsed .brand-name,
  body.sidebar-collapsed .brand-sub,
  body.sidebar-collapsed .nav-label,
  body.sidebar-collapsed .s-name,
  body.sidebar-collapsed .s-role,
  body.sidebar-collapsed .nav-text{display:revert}
  body.sidebar-collapsed .sidebar-brand{justify-content:flex-start;padding:18px 20px}
  body.sidebar-collapsed .sidebar-nav{padding:14px 10px}
  body.sidebar-collapsed .nav-link{justify-content:flex-start;padding:10px 12px;gap:11px}
  body.sidebar-collapsed .nav-link .nav-icon{font-size:17px;min-width:20px}
  body.sidebar-collapsed .nav-link.active::after{display:block}
  body.sidebar-collapsed .sidebar-foot{padding:14px 10px}
  body.sidebar-collapsed .sidebar-user{justify-content:flex-start;padding:10px}
  .overlay.show{display:block}.main{margin-left:0}
  .page-content{padding:16px}.form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}.search-input{width:100%}
  .toolbar{flex-direction:column;align-items:stretch}.toolbar-right{justify-content:flex-end}
  table{font-size:12px}td,thead th{padding:9px 10px}
}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}.login-card{padding:28px 20px}}