:root {
  --bg:#f0f2f7;
  --panel:#ffffff;
  --panel2:#f8f9fc;
  --text:#1a2035;
  --muted:#6b7a99;
  --line:#e2e8f4;
  --primary:#2563eb;
  --primary2:#3b82f6;
  --primary-dark:#1d4ed8;
  --primary-light:#eff6ff;
  --success:#16a34a;
  --success-light:#f0fdf4;
  --danger:#dc2626;
  --danger-light:#fef2f2;
  --warning:#d97706;
  --warning-light:#fffbeb;
  --info:#0891b2;
  --info-light:#ecfeff;
  --purple:#7c3aed;
  --purple-light:#faf5ff;
  --radius:16px;
  --shadow:0 4px 24px rgba(30,50,100,.09);
  --shadow-sm:0 2px 8px rgba(30,50,100,.06);
  --shadow-md:0 8px 32px rgba(30,50,100,.12);
  --sb-width:256px;
  --header-h:56px;
  --bnav-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
body{font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:14px;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.hidden{display:none!important}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#c8d4ee;border-radius:10px}

/* ===== LAYOUT ===== */
.app{display:grid;grid-template-columns:var(--sb-width) 1fr;min-height:100vh}
.main-wrap{display:flex;flex-direction:column;min-height:100vh;overflow:hidden}
.content{padding:24px 28px;flex:1;max-width:1280px;width:100%}

/* ===== SIDEBAR ===== */
.sidebar{background:var(--panel);border-right:1px solid var(--line);padding:0;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;box-shadow:2px 0 16px rgba(30,50,100,.04);z-index:50}
.sb-brand{display:flex;align-items:center;gap:11px;padding:18px 16px 14px;border-bottom:1px solid var(--line)}
.sb-brand-icon{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.sb-brand-name{font-size:15px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.sb-brand-sub{font-size:10px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-top:1px}
.sb-scroll{flex:1;overflow-y:auto;padding:14px 10px}
.sb-user{background:var(--primary-light);border:1px solid #bfdbfe;border-radius:13px;padding:13px;margin-bottom:14px}
.sb-user-row{display:flex;align-items:center;gap:10px}
.sb-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;flex-shrink:0}
.sb-user-name{font-weight:800;font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-user-email{font-size:11px;color:var(--muted);margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-user-pills{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}
.sb-section-label{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;padding:0 8px;margin:10px 0 5px}
.menu-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:11px;border:1.5px solid transparent;color:var(--muted);font-size:13px;font-weight:600;transition:all .15s;cursor:pointer;text-decoration:none;position:relative}
.menu-item:hover{background:var(--primary-light);color:var(--primary)}
.menu-item.active{background:var(--primary-light);color:var(--primary);border-color:#c7d9ff;font-weight:700}
.menu-item .mi-icon{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;transition:background .15s}
.menu-item:hover .mi-icon,.menu-item.active .mi-icon{background:#dbeafe}
.menu-item .mi-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu-item .mi-badge{background:var(--danger);color:#fff;border-radius:999px;padding:1px 6px;font-size:10px;font-weight:800;position:absolute;right:10px;top:50%;transform:translateY(-50%)}
.sb-divider{height:1px;background:var(--line);margin:8px 0}
.sb-footer{padding:12px 10px;border-top:1px solid var(--line)}

/* ===== MOBILE HEADER ===== */
.mobile-header{display:none;height:var(--header-h);background:var(--panel);border-bottom:1px solid var(--line);padding:0 16px;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:80;box-shadow:var(--shadow-sm)}
.mh-brand{display:flex;align-items:center;gap:9px}
.mh-title{font-size:15px;font-weight:800}
.mh-right{display:flex;align-items:center;gap:8px}
.mh-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;flex-shrink:0}
.mh-name{font-size:12px;font-weight:700;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== BOTTOM NAV ===== */
.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:var(--bnav-h);background:var(--panel);border-top:1px solid var(--line);z-index:80;padding-bottom:env(safe-area-inset-bottom,0);box-shadow:0 -4px 20px rgba(30,50,100,.08)}
.bnav-inner{display:flex;height:100%;align-items:stretch}
.bn-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:10px;font-weight:700;cursor:pointer;text-decoration:none;transition:color .15s;border:0;background:0;padding:0;font-family:inherit;position:relative}
.bn-item.active,.bn-item:hover{color:var(--primary)}
.bn-icon{width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:17px;transition:background .15s}
.bn-item.active .bn-icon{background:var(--primary-light)}
.bn-badge{position:absolute;top:6px;right:calc(50% - 20px);background:var(--danger);color:#fff;border-radius:999px;padding:1px 5px;font-size:9px;font-weight:800}

/* ===== BUTTONS ===== */
.btn{border:0;border-radius:10px;padding:9px 16px;font-weight:700;cursor:pointer;font-size:13px;transition:all .15s;display:inline-flex;align-items:center;justify-content:center;gap:7px;line-height:1.3;font-family:inherit;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 3px 10px rgba(37,99,235,.22)}
.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-dark),var(--primary));box-shadow:0 5px 14px rgba(37,99,235,.3)}
.btn-secondary{background:var(--panel);color:var(--text);border:1.5px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-secondary:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.btn-success{background:linear-gradient(135deg,#15803d,#16a34a);color:#fff}
.btn-success:hover:not(:disabled){background:linear-gradient(135deg,#14532d,#15803d)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover:not(:disabled){background:#b91c1c}
.btn-warning{background:var(--warning);color:#fff}
.btn-info{background:var(--info);color:#fff}
.btn-purple{background:linear-gradient(135deg,var(--purple),#a855f7);color:#fff}
.btn-ghost{background:transparent;color:var(--muted);border:1.5px solid var(--line)}
.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--text)}
.btn-sm{padding:6px 11px;font-size:12px;border-radius:8px}
.btn-xs{padding:4px 8px;font-size:11px;border-radius:7px}
.btn-block{width:100%}
.btn-icon{padding:8px;border-radius:9px;width:34px;height:34px}

/* ===== CARDS ===== */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:18px;box-shadow:var(--shadow-sm)}
.card:last-child{margin-bottom:0}
.card-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:10px;flex-wrap:wrap}
.card-title{font-size:15px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:8px}
.card-subtitle{font-size:12px;color:var(--muted);margin-top:2px}

/* ===== STAT CARDS ===== */
.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s;position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;top:-20px;right:-20px;width:70px;height:70px;border-radius:50%;background:rgba(37,99,235,.04)}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.stat-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:10px}
.si-blue{background:#eff6ff}.si-green{background:#f0fdf4}.si-yellow{background:#fffbeb}.si-purple{background:#faf5ff}.si-red{background:#fef2f2}.si-cyan{background:#ecfeff}
.stat-label{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.stat-val{font-size:26px;font-weight:800;color:var(--text);line-height:1.1;margin-top:4px}
.stat-sub{font-size:12px;color:var(--muted);margin-top:5px}

/* ===== FORM ===== */
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.field:last-child{margin-bottom:0}
label{font-size:12px;font-weight:700;color:var(--muted)}
.req::after{content:'*';color:var(--danger);margin-left:2px}
input,select,textarea{width:100%;padding:9px 12px;border-radius:10px;border:1.5px solid var(--line);background:var(--panel);color:var(--text);outline:none;font-size:13px;transition:border-color .15s,box-shadow .15s;font-family:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.09)}
input::placeholder,textarea::placeholder{color:#c0c8dc}
input:disabled,select:disabled{background:var(--bg);color:var(--muted);cursor:not-allowed}
textarea{min-height:80px;resize:vertical}
.input-wrap{position:relative}
.input-wrap input{padding-right:40px}
.input-icon{position:absolute;right:11px;top:50%;transform:translateY(-50%);color:var(--muted);cursor:pointer;font-size:16px;line-height:1}
.form-row{display:grid;gap:14px}
.form-row.col2{grid-template-columns:1fr 1fr}
.form-row.col3{grid-template-columns:1fr 1fr 1fr}

/* ===== GRIDS ===== */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* ===== PILLS ===== */
.pill{display:inline-flex;align-items:center;gap:3px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700}
.pill-blue{background:#dbeafe;color:#1d4ed8}
.pill-green{background:#dcfce7;color:#15803d}
.pill-red{background:#fee2e2;color:#991b1b}
.pill-yellow{background:#fef9c3;color:#854d0e}
.pill-gray{background:#f1f5f9;color:#475569}
.pill-purple{background:#ede9fe;color:#6d28d9}
.pill-orange{background:#ffedd5;color:#9a3412}
.pill-cyan{background:#cffafe;color:#155e75}

/* ===== TABLE ===== */
.tbl-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line)}
.tbl{width:100%;border-collapse:collapse;font-size:13px;min-width:500px}
.tbl th{background:#f8faff;color:var(--muted);padding:9px 13px;text-align:left;font-size:10px;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line);font-weight:700;white-space:nowrap}
.tbl td{padding:10px 13px;border-bottom:1px solid var(--line);vertical-align:middle;color:var(--text)}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover td{background:#fafbff}
.tbl-empty{text-align:center!important;padding:36px!important;color:var(--muted)!important;font-size:13px!important}

/* ===== PAGE HEADER ===== */
.page-hdr{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.page-title{font-size:22px;font-weight:800;letter-spacing:-.02em}
.page-sub{color:var(--muted);font-size:13px;margin-top:3px}

/* ===== BANNER ===== */
.banner{border-radius:var(--radius);padding:22px 24px;margin-bottom:20px;position:relative;overflow:hidden;color:#fff}
.banner::before{content:'';position:absolute;top:-50px;right:-50px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.07)}
.banner::after{content:'';position:absolute;bottom:-30px;right:80px;width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.05)}
.banner-content{position:relative;z-index:1}
.banner-title{font-size:20px;font-weight:800;margin-bottom:5px}
.banner-sub{font-size:13px;opacity:.88;line-height:1.65}
.banner-user{background:linear-gradient(135deg,#1d4ed8,#2563eb,#3b82f6)}
.banner-admin{background:linear-gradient(135deg,#4c1d95,#6d28d9,#7c3aed)}

/* ===== NOTICE / ALERT ===== */
.notice{padding:11px 14px;border-radius:12px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:9px;border:1.5px solid;margin-bottom:14px}
.notice-success{background:var(--success-light);border-color:#bbf7d0;color:#15803d}
.notice-error{background:var(--danger-light);border-color:#fecaca;color:#991b1b}
.notice-warning{background:var(--warning-light);border-color:#fde68a;color:#92400e}
.notice-info{background:var(--primary-light);border-color:#bfdbfe;color:#1d4ed8}

/* ===== DROP ZONE ===== */
.drop-zone{border:2px dashed #bfdbfe;background:#f8fbff;border-radius:13px;padding:22px 16px;text-align:center;cursor:pointer;transition:all .18s}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary);background:var(--primary-light)}
.dz-icon{font-size:30px;margin-bottom:7px}
.dz-label{font-weight:700;font-size:13px}
.dz-sub{font-size:12px;color:var(--muted);margin-top:4px}

/* ===== MODAL ===== */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(15,25,50,.4);z-index:200;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(3px)}
.modal-overlay.open{display:flex}
.modal-box{background:var(--panel);border-radius:20px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 64px rgba(0,0,0,.2);animation:modalIn .2s ease}
@keyframes modalIn{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:none}}
.modal-hdr{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:var(--panel);z-index:1;border-radius:20px 20px 0 0}
.modal-title{font-size:15px;font-weight:800}
.modal-close{width:30px;height:30px;border-radius:8px;background:var(--bg);border:0;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:background .15s}
.modal-close:hover{background:var(--line)}
.modal-body{padding:20px 22px}
.modal-footer{padding:14px 22px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end}

/* ===== POPUP NOTIFICATION ===== */
.popup-overlay{display:none;position:fixed;inset:0;background:rgba(15,25,50,.45);z-index:300;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(4px)}
.popup-overlay.open{display:flex}
.popup-box{background:var(--panel);border-radius:20px;width:100%;max-width:460px;box-shadow:0 24px 64px rgba(0,0,0,.2);animation:modalIn .25s ease;overflow:hidden}
.popup-accent{height:5px;background:linear-gradient(90deg,var(--primary),var(--primary2))}
.popup-body{padding:24px}
.popup-icon{font-size:36px;margin-bottom:12px}
.popup-title{font-size:18px;font-weight:800;margin-bottom:8px}
.popup-msg{font-size:13px;color:var(--muted);line-height:1.75;white-space:pre-line}
.popup-footer{padding:16px 24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.popup-dont-show{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);cursor:pointer}
.popup-dont-show input{width:15px;height:15px;cursor:pointer;margin:0}

/* ===== TOOLBAR ===== */
.toolbar{display:flex;gap:7px;flex-wrap:wrap;align-items:center}

/* ===== SPINNER ===== */
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:17px;height:17px;border:2.5px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .65s linear infinite;flex-shrink:0}
.loading{display:flex;align-items:center;gap:12px;padding:48px 20px;color:var(--muted);font-size:14px;justify-content:center}

/* ===== PROGRESS BAR ===== */
.prog-wrap{background:var(--primary-light);border:1px solid #bfdbfe;border-radius:12px;padding:14px;margin-bottom:14px}
.prog-label{display:flex;justify-content:space-between;font-size:13px;font-weight:700;color:var(--primary);margin-bottom:8px}
.prog-bar-bg{background:#bfdbfe;border-radius:999px;height:7px}
.prog-bar{background:linear-gradient(90deg,var(--primary),var(--primary2));height:7px;border-radius:999px;width:0%;transition:width .3s}

/* ===== PAGINATION ===== */
.pagination{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pg-btn{min-width:32px;height:32px;padding:0 8px;border-radius:8px;border:1.5px solid var(--line);background:var(--panel);color:var(--muted);font-size:12px;font-weight:700;cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;justify-content:center;font-family:inherit}
.pg-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.pg-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pg-btn:disabled{opacity:.4;cursor:not-allowed}
.pg-info{font-size:12px;color:var(--muted);font-weight:600}

/* ===== SEARCH BOX ===== */
.search-wrap{position:relative;flex:1;min-width:160px;max-width:280px}
.search-wrap input{padding-left:34px}
.search-wrap::before{content:'🔍';position:absolute;left:10px;top:50%;transform:translateY(-50%);font-size:13px;pointer-events:none}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .content{padding:18px 20px}
  .g4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{display:none}
  .bottom-nav{display:block}
  .mobile-header{display:flex}
  .content{padding:14px 16px;padding-bottom:calc(var(--bnav-h) + 12px)}
}
@media(max-width:640px){
  .g2,.g3{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr 1fr}
  .page-hdr{flex-direction:column;align-items:stretch}
  .page-title{font-size:19px}
  .form-row.col2,.form-row.col3{grid-template-columns:1fr}
  .card{padding:16px}
  .tbl th,.tbl td{padding:8px 10px}
}
@media(max-width:400px){
  .g4{grid-template-columns:1fr 1fr}
  .stat-val{font-size:22px}
  .content{padding:12px}
}