:root{--primary:#3b82f6;--primary-hover:#2563eb;--bg-color:#f1f5f9;--sidebar-bg:#1e293b;--sidebar-hover:#334155;--text-main:#334155;--text-light:#64748b;--text-sidebar:#e2e8f0;--white:#fff;--border:#e2e8f0;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--border-radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}.hidden{display:none!important}.screen{width:100%;min-height:100vh}#login-screen{background:linear-gradient(135deg,#1e293b 0%,#3b82f6 100%);justify-content:center;align-items:center;display:flex}.login-card{background:var(--white);border-radius:var(--border-radius);box-shadow:var(--shadow-lg);width:100%;max-width:400px;padding:2rem}.login-header{text-align:center;margin-bottom:2rem}.login-header h2{color:var(--text-main);margin-bottom:.5rem;font-size:1.5rem}.login-header p{color:var(--text-light);font-size:.9rem}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-main);margin-bottom:.5rem;font-size:.9rem;font-weight:500;display:block}.form-group input,.form-group select,.form-group textarea{border:1px solid var(--border);border-radius:4px;width:100%;padding:.75rem;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #3b82f633}.btn{text-align:center;cursor:pointer;border:1px solid #0000;border-radius:4px;padding:.5rem 1rem;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-block}.btn-sm{padding:.25rem .5rem;font-size:.85rem}.btn-block{width:100%;display:block}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline-light{color:var(--text-sidebar);background-color:#0000;border-color:#fff3}.btn-outline-light:hover{color:#fff;background-color:#ffffff1a}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-warning{background-color:var(--warning);color:#fff}.btn-warning:hover{background-color:#d97706}.btn-success{background-color:var(--success);color:#fff}.btn-success:hover{background-color:#059669}.btn-secondary{color:#334155;background-color:#e2e8f0}.btn-secondary:hover{background-color:#cbd5e1}.btn:disabled{opacity:.6;cursor:not-allowed}#app-screen{display:flex}.sidebar{background-color:var(--sidebar-bg);width:250px;color:var(--text-sidebar);z-index:10;flex-direction:column;height:100vh;transition:transform .3s;display:flex;position:sticky;top:0}.sidebar-header{border-bottom:1px solid #ffffff1a;padding:1.5rem}.sidebar-header h3{color:#fff;margin-bottom:.25rem}.sidebar-header p{color:#94a3b8;font-size:.8rem}.sidebar-nav{flex:1;padding:1rem 0;overflow-y:auto}.nav-item{color:var(--text-sidebar);align-items:center;padding:.75rem 1.5rem;text-decoration:none;transition:all .2s;display:flex}.nav-item i{text-align:center;width:20px;margin-right:.75rem}.nav-item:hover,.nav-item.active{background-color:var(--sidebar-hover);color:#fff;border-left:4px solid var(--primary)}.sidebar-footer{border-top:1px solid #ffffff1a;padding:1rem 1.5rem}.main-content{flex-direction:column;flex:1;min-width:0;height:100vh;display:flex;overflow-y:auto}.topbar{background-color:var(--white);z-index:5;align-items:center;padding:1rem 1.5rem;display:flex;position:sticky;top:0;box-shadow:0 1px 2px #0000000d}.topbar h2{font-size:1.25rem;font-weight:600}.mobile-only{color:var(--text-main);cursor:pointer;background:0 0;border:none;margin-right:1rem;font-size:1.25rem;display:none}.content-area{flex:1;padding:1.5rem}.card{background-color:var(--white);border-radius:var(--border-radius);box-shadow:var(--shadow);margin-bottom:1.5rem;overflow:hidden}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.card-header h3{font-size:1.1rem;font-weight:600}.card-body{padding:1.5rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:1.5rem;display:grid}.stat-card{background-color:var(--white);border-radius:var(--border-radius);box-shadow:var(--shadow);align-items:center;padding:1.5rem;display:flex}.stat-icon{border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;margin-right:1rem;font-size:1.5rem;display:flex}.stat-icon.green{color:#059669;background-color:#d1fae5}.stat-icon.yellow{color:#d97706;background-color:#fef3c7}.stat-icon.red{color:#dc2626;background-color:#fee2e2}.stat-icon.blue{color:#2563eb;background-color:#dbeafe}.stat-content h4{color:var(--text-light);margin-bottom:.25rem;font-size:.875rem;font-weight:500}.stat-content p{color:var(--text-main);font-size:1.5rem;font-weight:700}.table-responsive{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:1rem}th{color:var(--text-light);white-space:nowrap;background-color:#f8fafc;font-size:.875rem;font-weight:600}td{font-size:.9rem}tbody tr{transition:background-color .15s}tbody tr:hover{background-color:#f1f5f9}.actions{gap:.5rem;display:flex}.badge{border-radius:9999px;padding:.25rem .5rem;font-size:.75rem;font-weight:500;display:inline-block}.badge-success{color:#065f46;background-color:#d1fae5}.badge-warning{color:#92400e;background-color:#fef3c7}.badge-danger{color:#991b1b;background-color:#fee2e2}.badge-info{color:#1e40af;background-color:#dbeafe}.badge-default{color:#475569;background-color:#f1f5f9}.filter-bar{align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.tabs{border-bottom:1px solid var(--border);margin-bottom:1rem;display:flex}.tab{cursor:pointer;color:var(--text-light);border-bottom:2px solid #0000;padding:.75rem 1rem;font-weight:500}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.pagination{justify-content:center;gap:.5rem;margin-top:1.5rem;display:flex}.page-btn{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:4px;padding:.25rem .75rem}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.page-btn:disabled{opacity:.5;cursor:not-allowed}#toast-container{z-index:1000;flex-direction:column;gap:.5rem;display:flex;position:fixed;bottom:1.5rem;right:1.5rem}.toast{border-left:4px solid var(--primary);box-shadow:var(--shadow-lg);background-color:#fff;border-radius:4px;align-items:center;min-width:250px;padding:1rem 1.5rem;animation:.3s forwards slideIn;display:flex}.toast.success{border-left-color:var(--success)}.toast.error{border-left-color:var(--danger)}.toast.warning{border-left-color:var(--warning)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}.modal-container{z-index:100;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000080;width:100%;height:100%;position:absolute;top:0;left:0}.modal-content{border-radius:var(--border-radius);box-shadow:var(--shadow-lg);z-index:101;background:#fff;width:90%;max-width:600px;max-height:90vh;padding:1.5rem;position:relative;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;display:flex}.modal-close{cursor:pointer;color:var(--text-light);background:0 0;border:none;font-size:1.25rem}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:1rem;margin-top:1.5rem;padding-top:1rem;display:flex}.post-detail-content{white-space:pre-wrap;background:#f8fafc;border-radius:4px;margin-bottom:1rem;padding:1rem}.comments-list{flex-direction:column;gap:.75rem;display:flex}.comment-item{border:1px solid var(--border);border-radius:4px;justify-content:space-between;align-items:flex-start;padding:.75rem;display:flex}.comment-body{flex:1}.comment-meta{color:var(--text-light);margin-bottom:.25rem;font-size:.8rem}.spinner{border:3px solid #0000001a;border-top-color:var(--primary);border-radius:50%;width:1.5rem;height:1.5rem;animation:1s ease-in-out infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{color:var(--text-light);flex-direction:column;justify-content:center;align-items:center;padding:3rem;display:flex}@media (width<=768px){.sidebar{position:fixed;transform:translate(-100%)}.sidebar.show{transform:translate(0)}.mobile-only{display:block}}