/* ===== Admin Reset & Base ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --admin-primary:#0668c3;
  --admin-dark:#1a2744;
  --admin-sidebar:#1e2a3a;
  --admin-sidebar-hover:#2d3d52;
  --admin-bg:#f0f2f5;
  --admin-card:#fff;
  --admin-border:#e2e8f0;
  --admin-text:#333;
  --admin-text-light:#666;
  --admin-text-muted:#999;
  --green:#27ae60;
  --orange:#f39c12;
  --red:#e74c3c;
  --blue:#3498db;
  --purple:#9b59b6;
  --radius:8px;
  --transition:all .25s ease;
}
body{font-family:'Noto Sans SC',-apple-system,sans-serif;background:var(--admin-bg);color:var(--admin-text)}

/* ===== Login ===== */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a4d8c,#0668c3);padding:20px}
.login-container{width:100%;max-width:420px}
.login-box{background:#fff;border-radius:16px;padding:40px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.login-header{text-align:center;margin-bottom:30px}
.login-logo{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;background:linear-gradient(135deg,var(--admin-primary),#0a4d8c);color:#fff;font-weight:900;font-size:1.5rem;border-radius:14px;margin-bottom:15px}
.login-header h2{font-size:1.3rem;color:var(--admin-dark);margin-bottom:4px}
.login-header p{font-size:.85rem;color:var(--admin-text-muted)}
.login-error{background:#fdeaea;color:var(--red);padding:12px 16px;border-radius:6px;font-size:.85rem;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.login-form-group{margin-bottom:20px}
.login-form-group label{display:block;font-size:.85rem;color:var(--admin-text);margin-bottom:6px;font-weight:500}
.login-form-group label i{color:var(--admin-text-muted);margin-right:5px;width:16px}
.login-form-group input{width:100%;padding:12px 14px;border:2px solid var(--admin-border);border-radius:6px;font-size:.9rem;transition:var(--transition)}
.login-form-group input:focus{outline:none;border-color:var(--admin-primary);box-shadow:0 0 0 3px rgba(6,104,195,.1)}
.login-btn{width:100%;padding:13px;background:linear-gradient(135deg,var(--admin-primary),#0a4d8c);color:#fff;border:none;border-radius:6px;font-size:.95rem;font-weight:500;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:8px}
.login-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(6,104,195,.3)}
.login-hint{text-align:center;margin-top:20px;padding-top:15px;border-top:1px solid var(--admin-border)}
.login-hint p{font-size:.78rem;color:var(--admin-text-muted)}
.login-back{display:block;text-align:center;margin-top:15px;font-size:.85rem;color:var(--admin-text-light)}
.login-back:hover{color:var(--admin-primary)}

/* ===== Admin Layout ===== */
.admin-body{background:var(--admin-bg)}
.admin-wrapper{display:flex;min-height:100vh}
.admin-sidebar{width:240px;background:var(--admin-sidebar);color:#fff;position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:100;transition:var(--transition)}
.admin-logo{display:flex;align-items:center;gap:10px;padding:20px;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-logo .logo-text{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:linear-gradient(135deg,var(--admin-primary),#0a4d8c);border-radius:8px;font-weight:900;font-size:1rem}
.admin-logo-name{font-size:.88rem;font-weight:500}
.admin-nav{flex:1;padding:15px 0;overflow-y:auto}
.admin-nav a{display:flex;align-items:center;gap:12px;padding:12px 22px;font-size:.9rem;color:rgba(255,255,255,.65);transition:var(--transition);border-left:3px solid transparent}
.admin-nav a i{width:18px;text-align:center;font-size:.95rem}
.admin-nav a:hover{background:var(--admin-sidebar-hover);color:#fff}
.admin-nav a.active{background:var(--admin-sidebar-hover);color:#fff;border-left-color:var(--admin-primary)}
.admin-sidebar-footer{padding:15px 20px;border-top:1px solid rgba(255,255,255,.08)}
.admin-sidebar-footer a{display:block;font-size:.82rem;color:rgba(255,255,255,.5);padding:6px 0;transition:var(--transition)}
.admin-sidebar-footer a:hover{color:#fff}
.admin-sidebar-footer a i{margin-right:8px;width:16px}
.admin-main{flex:1;margin-left:240px;min-height:100vh;transition:var(--transition)}
.admin-topbar{background:#fff;padding:0 24px;height:60px;display:flex;align-items:center;gap:16px;box-shadow:0 1px 4px rgba(0,0,0,.05);position:sticky;top:0;z-index:50}
.sidebar-toggle{background:none;border:none;font-size:1.2rem;color:var(--admin-text-light);cursor:pointer;display:none}
.admin-page-title{font-size:1.1rem;font-weight:600;color:var(--admin-dark);flex:1}
.admin-topbar-right{display:flex;align-items:center;gap:16px}
.admin-user{font-size:.85rem;color:var(--admin-text-light);display:flex;align-items:center;gap:6px}
.admin-user i{font-size:1.2rem;color:var(--admin-primary)}
.admin-content{padding:24px}

/* ===== Stats Cards ===== */
.stats-row{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:var(--admin-card);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:var(--transition)}
.stat-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.08)}
.stat-card-icon{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff;flex-shrink:0}
.stat-blue .stat-card-icon{background:linear-gradient(135deg,#3498db,#2980b9)}
.stat-orange .stat-card-icon{background:linear-gradient(135deg,#f39c12,#e67e22)}
.stat-green .stat-card-icon{background:linear-gradient(135deg,#27ae60,#229954)}
.stat-purple .stat-card-icon{background:linear-gradient(135deg,#9b59b6,#8e44ad)}
.stat-red .stat-card-icon{background:linear-gradient(135deg,#e74c3c,#c0392b)}
.stat-card-info{display:flex;flex-direction:column}
.stat-card-number{font-size:1.5rem;font-weight:700;color:var(--admin-dark)}
.stat-card-label{font-size:.78rem;color:var(--admin-text-muted)}

/* ===== Panel ===== */
.admin-panel{background:var(--admin-card);border-radius:var(--radius);box-shadow:0 2px 8px rgba(0,0,0,.04);margin-bottom:24px;overflow:hidden}
.admin-panel-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--admin-border)}
.admin-panel-header h2{font-size:1rem;font-weight:600;color:var(--admin-dark);display:flex;align-items:center;gap:8px}
.admin-panel-header h2 i{color:var(--admin-primary)}
.admin-panel-count{font-size:.82rem;color:var(--admin-text-muted)}
.admin-panel-body{padding:24px}
.btn-link{font-size:.85rem;color:var(--admin-primary);font-weight:500}
.btn-link:hover{gap:8px}

/* ===== Table ===== */
.admin-table-wrap{overflow-x:auto}
.admin-table{width:100%;border-collapse:collapse;font-size:.88rem}
.admin-table thead{background:#f8f9fb}
.admin-table th{padding:12px 16px;text-align:left;font-weight:600;color:var(--admin-text-light);white-space:nowrap;border-bottom:2px solid var(--admin-border)}
.admin-table td{padding:12px 16px;border-bottom:1px solid var(--admin-border);color:var(--admin-text)}
.admin-table tbody tr{transition:var(--transition)}
.admin-table tbody tr:hover{background:#f8fafe}
.td-ellipsis{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty-row{text-align:center;color:var(--admin-text-muted);padding:30px}
.action-cell{white-space:nowrap}

/* ===== Badges ===== */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:12px;font-size:.75rem;font-weight:500}
.badge-green{background:#e8f8ef;color:#1a7e3e}
.badge-orange{background:#fef5e7;color:#9a6200}
.badge-blue{background:#e8f2fc;color:#1a6bb8}
.badge-purple{background:#f4ecf7;color:#7d3c98}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:6px;font-size:.88rem;font-weight:500;cursor:pointer;border:none;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--admin-primary);color:#fff}
.btn-primary:hover{background:#0a4d8c}
.btn-outline{background:transparent;color:var(--admin-text-light);border:2px solid var(--admin-border)}
.btn-outline:hover{border-color:var(--admin-primary);color:var(--admin-primary)}
.btn-sm{padding:7px 16px;font-size:.82rem}
.btn-icon{width:32px;height:32px;border:none;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;transition:var(--transition);margin-right:4px}
.btn-view{background:#e8f2fc;color:var(--blue)}
.btn-view:hover{background:#d1e7f9}
.btn-edit{background:#fef5e7;color:var(--orange)}
.btn-edit:hover{background:#fdebc8}
.btn-delete{background:#fdeaea;color:var(--red)}
.btn-delete:hover{background:#fbd5d3}
.btn-toggle{background:#e8f8ef;color:var(--green)}
.btn-toggle:hover{background:#d1f0de}

/* ===== Modal ===== */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:12px;width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.2);animation:modalSlide .3s ease}
.modal-lg{max-width:700px}
@keyframes modalSlide{from{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--admin-border);position:sticky;top:0;background:#fff;border-radius:12px 12px 0 0;z-index:1}
.modal-header h3{font-size:1.05rem;color:var(--admin-dark)}
.modal-close{background:none;border:none;font-size:1.2rem;color:var(--admin-text-muted);cursor:pointer;width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.modal-close:hover{background:#f0f0f0;color:var(--red)}
.modal-body{padding:24px}

/* ===== Forms ===== */
.admin-form .form-group{margin-bottom:16px}
.admin-form label{display:block;font-size:.85rem;color:var(--admin-text);margin-bottom:6px;font-weight:500}
.admin-form input,.admin-form select,.admin-form textarea{width:100%;padding:10px 14px;border:2px solid var(--admin-border);border-radius:6px;font-size:.88rem;font-family:inherit;transition:var(--transition)}
.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus{outline:none;border-color:var(--admin-primary);box-shadow:0 0 0 3px rgba(6,104,195,.1)}
.admin-form textarea{resize:vertical}
.admin-form small{display:block;margin-top:4px;font-size:.75rem;color:var(--admin-text-muted)}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:20px}

/* ===== Quick Actions ===== */
.quick-actions{margin-top:8px}
.quick-actions-title{font-size:1rem;font-weight:600;color:var(--admin-dark);margin-bottom:16px}
.quick-actions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick-action-card{background:var(--admin-card);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:var(--transition);display:flex;flex-direction:column;align-items:center;gap:10px}
.quick-action-card:hover{transform:translateY(-4px);box-shadow:0 6px 20px rgba(0,0,0,.08)}
.quick-action-card i{font-size:1.5rem;color:var(--admin-primary)}
.quick-action-card span{font-size:.85rem;color:var(--admin-text)}

/* ===== Settings ===== */
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.settings-full{grid-column:span 2}
.stat-row{display:flex;gap:16px;align-items:flex-end;margin-bottom:12px}
.settings-save-bar{position:sticky;bottom:24px;display:flex;justify-content:center;margin-top:24px}
.settings-save-bar .btn{box-shadow:0 4px 20px rgba(6,104,195,.3)}
.settings-save-bar .btn:hover{transform:translateY(-2px)}

/* ===== Account Info Bar ===== */
.account-info-bar{display:flex;align-items:center;gap:20px}

/* ===== Password Input with Toggle ===== */
.pwd-input-wrap{position:relative}
.pwd-input-wrap input{padding-right:42px !important}
.pwd-toggle-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--admin-text-muted);font-size:.95rem;padding:4px 6px;border-radius:4px;transition:var(--transition);display:flex;align-items:center;justify-content:center}
.pwd-toggle-btn:hover{color:var(--admin-primary);background:#eef4fc}
.account-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--admin-primary),#0a4d8c);display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff;flex-shrink:0}
.account-details{flex:1;display:flex;align-items:center;gap:10px}
.account-username{font-size:1.1rem;font-weight:600;color:var(--admin-dark)}
.account-actions{display:flex;gap:10px}
.admin-path-input-group{display:flex;gap:10px;align-items:center}
.admin-path-input-group .input-prefix{font-weight:600;color:var(--admin-text-light);font-size:.9rem;white-space:nowrap}
.admin-path-hint{margin-top:8px;padding:10px 14px;background:#fff8e1;border:1px solid #ffe082;border-radius:6px;font-size:.8rem;color:#9a6200}
.admin-path-hint i{margin-right:6px}

/* ===== Responsive ===== */
@media(max-width:992px){
  .admin-sidebar{transform:translateX(-100%)}
  .admin-sidebar.open{transform:translateX(0)}
  .admin-main{margin-left:0}
  .sidebar-toggle{display:block}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .quick-actions-grid{grid-template-columns:repeat(2,1fr)}
  .settings-grid{grid-template-columns:1fr}
  .settings-full{grid-column:span 1}
}
@media(max-width:576px){
  .stats-row{grid-template-columns:1fr}
  .quick-actions-grid{grid-template-columns:1fr}
  .form-row-2{grid-template-columns:1fr}
  .admin-content{padding:16px}
  .stat-row{flex-direction:column;align-items:stretch}
}