:root{--admin-nav-active:#1f6feb;--admin-bg:#0e1420;--admin-card:#ffffff;--admin-text:#2a3d4d;--admin-muted:#5c6c7a;--topbar-h:56px}
.topbar{background:#fff;color:#2c3e50;border-bottom:1px solid #e6ebf1}
.nav-link{padding:.6rem 1rem;color:#2a3d4d;text-decoration:none;border-radius:.5rem}
.nav-link:hover{color:#1f2937;background:rgba(0,0,0,.04)}
.nav-link.active{color:#0b1117;background:#eef2f7;box-shadow:inset 0 -2px 0 var(--admin-nav-active)}
.navbar-brand{font-weight:600;color:#fff}
.navbar-brand img{height:32px;width:auto}
.topbar{border-bottom:1px solid rgba(0,0,0,.08)}
.nav-link{padding:.5rem 1rem}
.page-header{margin:1rem 0 1.25rem;padding:.75rem 0;border-bottom:1px solid rgba(0,0,0,.06)}
.page-title{font-weight:700}
.card{border-radius:.75rem;box-shadow:0 6px 24px rgba(0,0,0,.06);transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.08)}
.card-header{border-bottom:1px solid rgba(0,0,0,.06)}
.btn{border-radius:.6rem}
.btn-sm{padding:.25rem .6rem}
.badge{border-radius:.5rem}
.badge.status-draft{background:#fff0c2;color:#8a6d00}
.badge.status-published{background:#d9f2ff;color:#004a77}
.badge.status-archived{background:#ffe0e0;color:#7a1f1f}
.badge.status-closed{background:#eaeef2;color:#3b4a5a}
.table th{background:#f8fafc}
.table.table-hover tbody tr:hover{background:#f1f5f9}
.form-select,.form-control{border-radius:.6rem}
.filter-bar{background:#fff;border:1px solid #e6ebf1;border-radius:.6rem;padding:.6rem}
.page-header .form-label{font-size:.9rem;color:var(--admin-muted)}
.container-xl{padding-left:1rem;padding-right:1rem}
.table th,.table td{vertical-align:middle}
.table-actions .btn{margin-right:.25rem}
.table-actions .btn:last-child{margin-right:0}
.form-control:focus,.form-select:focus{border-color:var(--admin-nav-active);box-shadow:0 0 0 .2rem rgba(31,111,235,.15)}
.badge.status-in_progress{background:#e6f7e9;color:#116329}
.badge.status-feasibility{background:#fff5e6;color:#8a6d00}
.badge.status-on_hold{background:#fff0f0;color:#a03a3a}
.badge.status-completed{background:#e8f5e9;color:#1b5e20}
.sticky-header{position:sticky;top:0;z-index:30;background:#fff}
.row-select{accent-color:#dc3545}
.pagination .page-link{border-radius:.5rem}
.filter-bar .form-select,.filter-bar .form-control{min-width:140px}
.avatar.avatar-sm{width:40px;height:40px;border-radius:.6rem}
.dashboard .subheader{color:var(--admin-muted)}
.dashboard .h1{font-weight:700}
.sticky-header{position:sticky;top:0;z-index:30;background:#fff}
.admin-menu{display:none}
.mobile-menu{position:fixed;left:0;right:0;top:var(--topbar-h);bottom:0;background:#fff;color:#2a3d4d;border-top:1px solid #e6ebf1;transform:translateY(-100%);transition:transform .2s ease;z-index:25;overflow-y:auto;-webkit-overflow-scrolling:touch}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{display:block;padding:.65rem .75rem;color:#2a3d4d;text-decoration:none;border-radius:.4rem}
.mobile-menu a:hover{background:#f6f8fb}
.mobile-menu a.active{background:#eef2f7}
.menu-group-label{font-size:.8rem;color:#6b7785;background:#fff}
.mobile-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);display:none;z-index:20}
.mobile-backdrop.open{display:block}
.menu-group-label{font-size:.75rem}
.menu-group .menu-group-items{display:block}
.menu-group.collapsed .menu-group-items{display:none}
.menu-group-label{cursor:pointer}
.menu-group-label::after{content:"\25BE";float:right;opacity:.8;transition:transform .2s}
.menu-group.open .menu-group-label::after{transform:rotate(180deg)}
@media (prefers-reduced-motion: reduce){
  .mobile-menu{transition:none}
  .menu-group-label::after{transition:none}
}
/* Sidebar layout */
.sidebar{position:fixed;top:var(--topbar-h);left:0;bottom:0;width:240px;background:#fff;border-right:1px solid #e6ebf1;overflow-y:auto;transition:width .15s}
.sidebar.collapsed{width:64px}
.sidebar .label{display:inline}
.sidebar.collapsed .label{display:none}
.sidebar.collapsed .menu-group-label{display:none}
.sidebar .sidebar-link{display:block;padding:.6rem .8rem;color:#2a3d4d;text-decoration:none;border-radius:.5rem}
.sidebar .sidebar-link:hover{background:#f6f8fb}
.sidebar .sidebar-link.active{background:#eef2f7;font-weight:600}
.page-wrapper{margin-left:240px;transition:margin-left .15s}
.sidebar.collapsed ~ .page-wrapper{margin-left:64px}
.dropdown.open .dropdown-menu{display:block}
.dropdown .dropdown-menu{position:absolute;right:0;top:100%;min-width:180px;padding:.25rem;background:#fff;border:1px solid #e6ebf1;border-radius:.5rem;box-shadow:0 8px 24px rgba(0,0,0,.08);display:none}
/* Modal overlay for admin pages */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1000}
.modal-overlay.open{display:block}
.modal-card{max-width:800px;margin:10% auto}
.pre-wrap{white-space:pre-wrap}
.w-90{width:90px}
.skip-link{position:absolute;left:-999px;top:-999px;background:#1f6feb;color:#fff;padding:.5rem;border-radius:.25rem;z-index:2000}
.skip-link:focus{left:.5rem;top:.5rem;outline:none}
/* Focus styles */
a:focus, .btn:focus, .sidebar-link:focus{outline:2px solid #1f6feb; outline-offset:2px}
/* Utility classes */
.object-cover{object-fit:cover}
.image-placeholder{background:linear-gradient(180deg,#f6f8fb 0%,#eef2f7 100%);border-radius:.5rem}
.w-60{width:60px}
.h-60{height:60px}
.w-120{width:120px}
.h-56{height:56px}
.max-h-120{max-height:120px}
.min-h-200{min-height:200px}
.whitespace-prewrap{white-space:pre-wrap}
.icon-2x{font-size:2rem}
.icon-3x{font-size:3rem}
/* Login page styles */
.login-dark{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#0e1420;color:#fff}
.login-card{max-width:380px;margin:auto}
.brand{display:flex;flex-direction:column;align-items:center;text-decoration:none}
.login-dark .form-control{border-radius:8px}
.login-dark .btn{border-radius:8px}