/* ═══ SKELETON LOADER ═══ */
.skeleton-overlay{position:absolute;inset:0;background:#fff;z-index:10;display:flex;flex-direction:column;gap:16px;padding:24px;animation:fadeIn .1s}
.skeleton-bar{height:16px;border-radius:var(--radius);background:linear-gradient(90deg,var(--gray-200) 25%,var(--gray-100) 50%,var(--gray-200) 75%);background-size:800px 100%;animation:shimmer 1.5s infinite linear}
.skeleton-bar.h-lg{height:32px;width:40%}
.skeleton-bar.h-md{height:20px;width:70%}
.skeleton-bar.h-sm{height:14px;width:55%}
.skeleton-card{height:80px;border-radius:var(--radius-lg);background:linear-gradient(90deg,var(--gray-200) 25%,var(--gray-100) 50%,var(--gray-200) 75%);background-size:800px 100%;animation:shimmer 1.5s infinite linear}
.skeleton-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* ═══ SIDEBAR COLLAPSE ═══ */
@media(max-width:1200px){
  .sidebar{width:60px}
  .sidebar .sidebar-logo span,.sidebar .nav-label,.sidebar .coming-badge,.sidebar .nav-section-label,.sidebar .sidebar-footer,.sidebar .sidebar-logo h2,.sidebar .sidebar-logo>div:first-child{display:none}
  .sidebar .sidebar-toggle{margin:0 auto}
  .sidebar .sidebar-logo{padding:16px 12px;justify-content:center}
  .sidebar .nav-item{justify-content:center;padding:10px 8px;gap:0}
  .sidebar .nav-item .dot{display:none}
  .topbar{left:60px}
  .main-content{margin-left:60px}
}
.sidebar.collapsed{width:60px;overflow:hidden}
.sidebar.collapsed .sidebar-logo span,.sidebar.collapsed .nav-label,.sidebar.collapsed .coming-badge,.sidebar.collapsed .nav-section-label,.sidebar.collapsed .sidebar-footer,.sidebar.collapsed .sidebar-logo h2,.sidebar.collapsed .sidebar-logo>div:first-child{display:none}
.sidebar.collapsed .sidebar-toggle{margin:0 auto}
.sidebar.collapsed .sidebar-logo{padding:16px 12px;justify-content:center}
.sidebar.collapsed .nav-item{justify-content:center;padding:10px 8px;gap:0}
.sidebar.collapsed .nav-item .dot{display:none}
.sidebar.collapsed ~ .topbar{left:60px}
.sidebar.collapsed ~ .main-content,.sidebar.collapsed ~ main.main-content{margin-left:60px}
.sidebar-toggle{width:28px;height:28px;border-radius:50%;background:var(--gray-100);color:var(--gray-500);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;border:1px solid var(--gray-200);margin-left:auto;flex-shrink:0}
.sidebar-toggle:hover{background:var(--gray-200)}

/* ═══ LOGIN ═══ */
#login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,var(--gray-50) 0%,var(--teal-light) 50%,var(--teal) 100%)}
.login-card{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:40px;width:400px;max-width:90vw}
.login-logo{text-align:center;margin-bottom:32px}
.login-logo h1{font-size:28px;font-weight:800;letter-spacing:2px;color:var(--gray-900)}
.login-logo span{font-size:14px;font-weight:400;color:var(--teal);letter-spacing:3px;text-transform:uppercase;display:block;margin-top:2px}
.login-logo .logo-icon{width:48px;height:48px;background:var(--teal-light);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px;color:var(--teal)}
.login-field{margin-bottom:16px}
.login-field label{display:block;font-size:13px;font-weight:500;color:var(--gray-600);margin-bottom:4px}
.login-field input{width:100%;padding:10px 12px}
#login-btn{width:100%;padding:12px;margin-top:8px}
.login-users{margin-top:24px;border-top:1px solid var(--gray-200);padding-top:20px}
.login-users p{font-size:12px;color:var(--gray-500);margin-bottom:12px;text-align:center}
.login-user-card{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--gray-200);border-radius:var(--radius);margin-bottom:8px;cursor:pointer;transition:all .2s}
.login-user-card:hover{border-color:var(--teal);background:var(--teal-50)}
.login-user-card .avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}
.login-user-card .info .name{font-weight:600;font-size:13px}
.login-user-card .info .role{font-size:12px;color:var(--gray-500)}
.login-footer{text-align:center;margin-top:20px;font-size:11px;color:var(--gray-400)}

/* ═══ APP SHELL ═══ */
#app-shell{display:none;min-height:100vh}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;z-index:100;transition:width .3s}
.sidebar-logo{padding:16px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;gap:10px}
.sidebar-logo h2{font-size:16px;font-weight:800;letter-spacing:1px}
.sidebar-logo span{font-size:11px;color:var(--teal);font-weight:500;letter-spacing:1.5px}
.sidebar-nav{flex:1;padding:12px 8px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius);color:var(--gray-600);font-weight:500;cursor:pointer;transition:all .15s;position:relative;margin-bottom:2px;font-size:13px}
.nav-item:hover{background:var(--gray-100);color:var(--gray-800)}
.nav-item.active{background:var(--teal-50);color:var(--teal-dark);font-weight:600;border-left:3px solid var(--teal)}
.nav-item .dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.nav-item .coming-badge{font-size:9px;background:var(--gray-200);color:var(--gray-600);padding:1px 6px;border-radius:999px;margin-left:auto}
.nav-separator{height:1px;background:var(--gray-200);margin:8px 14px}
.sidebar-footer{padding:12px 16px;border-top:1px solid var(--gray-200);font-size:11px;color:var(--gray-400)}
.topbar{position:fixed;top:0;left:var(--sidebar-w);right:0;height:var(--topbar-h);background:#fff;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:90;transition:left .3s}
.breadcrumbs{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--gray-500)}
.breadcrumbs span{cursor:pointer}.breadcrumbs span:hover{color:var(--teal)}
.breadcrumbs .sep{color:var(--gray-300)}
.breadcrumbs .current{color:var(--gray-800);font-weight:600}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-user{display:flex;align-items:center;gap:10px}
.topbar-user .avatar{width:32px;height:32px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.topbar-user .name{font-weight:600;font-size:13px}
.topbar-user .role-label{font-size:11px;color:var(--gray-500)}
.notif-btn{position:relative;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--gray-100);color:var(--gray-600);cursor:pointer;transition:all .2s}
.notif-btn:hover{background:var(--gray-200)}
.notif-btn .notif-badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;background:var(--red);color:#fff;font-size:10px;font-weight:700;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 4px;animation:pulse 2s infinite}
.main-content{margin-left:var(--sidebar-w);margin-top:var(--topbar-h);padding:24px;min-height:calc(100vh - var(--topbar-h));transition:margin-left .3s}
.screen{display:none}.screen.active{display:block}

/* ═══ DASHBOARD ═══ */
.welcome{margin-bottom:24px}
.welcome h1{font-size:24px;font-weight:700;margin-bottom:4px}
.welcome .date{color:var(--gray-500);font-size:14px}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.kpi-card{padding:20px;border-left:4px solid var(--gray-300)}
.kpi-card .kpi-label{font-size:13px;color:var(--gray-500);margin-bottom:4px}
.kpi-card .kpi-value{font-size:32px;font-weight:700}
.kpi-card .kpi-sub{font-size:12px;color:var(--gray-500);margin-top:2px}
.timeline{padding:20px}
.timeline h3{font-size:16px;font-weight:600;margin-bottom:16px}
.timeline-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--gray-100)}
.timeline-item:last-child{border-bottom:none}
.timeline-dot{width:10px;height:10px;border-radius:50%;margin-top:5px;flex-shrink:0}
.timeline-text{flex:1;font-size:13px;color:var(--gray-700)}
.timeline-time{font-size:12px;color:var(--gray-400);white-space:nowrap}

/* ═══ TICKET MODAL ═══ */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:560px;max-width:90vw;max-height:85vh;overflow-y:auto;animation:fadeIn .3s}
.modal-header{padding:20px 24px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:18px;font-weight:700}
.modal-close{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--gray-100);cursor:pointer;transition:all .2s;color:var(--gray-600)}
.modal-close:hover{background:var(--gray-200)}
.modal-body{padding:24px}
.modal-body .form-field{margin-bottom:16px}
.modal-body .form-field label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:4px}
.modal-body .form-field input,.modal-body .form-field select,.modal-body .form-field textarea{width:100%}
.modal-body .form-field textarea{min-height:80px}
.modal-body .nc-link{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:var(--teal-light);color:var(--teal-dark);border-radius:var(--radius);font-size:12px;font-weight:600}
.modal-footer{padding:16px 24px;border-top:1px solid var(--gray-200);display:flex;justify-content:flex-end;gap:8px}

/* ═══ STATISTICS (shared) ═══ */
.stats-range{display:flex;gap:4px;margin-bottom:20px;background:var(--gray-100);border-radius:var(--radius);padding:4px;width:fit-content}
.stats-range button{padding:6px 16px;border-radius:6px;font-size:13px;font-weight:500;background:none;color:var(--gray-600);transition:all .2s}
.stats-range button.active{background:#fff;color:var(--gray-800);box-shadow:var(--shadow-sm);font-weight:600}
.stats-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stats-kpi{padding:20px}
.stats-kpi .kpi-label{font-size:13px;color:var(--gray-500);margin-bottom:4px}
.stats-kpi .kpi-val{font-size:28px;font-weight:700}
.stats-kpi .kpi-trend{font-size:12px;font-weight:600;margin-top:2px}
.stats-kpi .trend-up{color:var(--green)}.stats-kpi .trend-down{color:var(--red)}
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}
.chart-card{padding:20px}
.chart-card h4{font-size:14px;font-weight:600;margin-bottom:16px}
.chart-card canvas{width:100%!important;max-height:250px}
.bottom-table{width:100%;border-collapse:separate;border-spacing:0}
.bottom-table th{text-align:left;padding:8px 12px;font-size:12px;font-weight:600;color:var(--gray-500);border-bottom:2px solid var(--gray-200)}
.bottom-table td{padding:10px 12px;border-bottom:1px solid var(--gray-100);font-size:13px}

/* ═══ PLACEHOLDER SCREENS ═══ */
.placeholder-screen{text-align:center;padding:80px 20px}
.placeholder-screen .ph-icon{width:80px;height:80px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px}
.placeholder-screen h2{font-size:24px;font-weight:700;margin-bottom:8px}
.placeholder-screen .ph-sub{color:var(--gray-500);margin-bottom:16px;font-size:15px}
.placeholder-screen .ph-badge{display:inline-block;padding:4px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:24px}
.placeholder-screen .ph-features{list-style:none;text-align:left;max-width:340px;margin:0 auto}
.placeholder-screen .ph-features li{padding:8px 0;font-size:14px;display:flex;align-items:center;gap:10px;color:var(--gray-600)}

/* ═══ NAV SECTION LABELS ═══ */
.nav-section-label{font-size:10px;font-weight:700;color:var(--gray-400);text-transform:uppercase;letter-spacing:1px;padding:4px 14px;margin-top:4px}

/* ═══ TOAST ═══ */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:300;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:13px;font-weight:500;display:flex;align-items:center;gap:8px;animation:slideInRight .3s ease;min-width:280px}
.toast.toast-exit{animation:slideOutRight .3s ease forwards}
.toast-success{background:#166534;color:#fff}
.toast-error{background:var(--red);color:#fff}
.toast-info{background:var(--gray-800);color:#fff}

/* ═══ PAGE HEADER + FILTERS (shared) ═══ */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-header h2{font-size:20px;font-weight:700}
.filters-row{display:flex;gap:12px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.filters-row select,.filters-row input{padding:7px 10px;font-size:13px}
.filters-row .search-input{min-width:200px}
.toggle{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer;color:var(--gray-600)}
.toggle input[type=checkbox]{accent-color:var(--teal);width:16px;height:16px}