:root{--bg-main:#f1f5f9;--bg-card:#fff;--bg-card-hover:#fff;--bg-accent:#e0f2fe;--bg-accent-hover:#bae6fd;--primary:#0284c7;--primary-hover:#0369a1;--primary-dark:#075985;--primary-gradient:linear-gradient(135deg, #0284c7 0%, #0369a1 100%);--primary-light-gradient:linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);--accent-gradient:linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);--secondary:#0ea5e9;--success:#10b981;--success-bg:#dcfce7;--warning:#f59e0b;--warning-bg:#fef3c7;--danger:#ef4444;--danger-bg:#fee2e2;--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--border-color:#e2e8f0;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display:"Plus Jakarta Sans", var(--font-family);--shadow-sm:0 1px 3px #0f172a0a, 0 1px 2px #0f172a0f;--shadow-md:0 4px 12px -2px #0284c714, 0 2px 6px -1px #0f172a0a;--shadow-lg:0 20px 35px -10px #0284c724, 0 10px 15px -5px #0f172a0a;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-full:9999px}*{box-sizing:border-box;overflow-wrap:break-word;margin:0;padding:0}html,body{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-family);-webkit-font-smoothing:antialiased;width:100%;max-width:100vw;min-height:100vh;margin:0;padding:0;overflow-x:hidden}#root{flex-direction:column;width:100%;min-height:100vh;display:flex}.material-symbols-outlined{letter-spacing:normal;text-transform:none;white-space:nowrap;word-wrap:normal;-webkit-font-smoothing:antialiased;vertical-align:middle;direction:ltr;font-family:Material Symbols Outlined;font-size:1.25rem;font-style:normal;font-weight:400;line-height:1;display:inline-block}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--text-main);letter-spacing:-.025em;font-weight:700}.badge{border-radius:var(--radius-full);align-items:center;gap:6px;padding:5px 12px;font-size:.78rem;font-weight:600;display:inline-flex}.badge-active{background-color:var(--success-bg);color:#15803d;border:1px solid #bbf7d0}.badge-pending{background-color:var(--warning-bg);color:#b45309;border:1px solid #fde68a}.badge-suspended,.badge-danger{background-color:var(--danger-bg);color:#b91c1c;border:1px solid #fecaca}.badge-info{background-color:var(--bg-accent);color:var(--primary-hover);border:1px solid #bae6fd}.btn{border-radius:var(--radius-md);cursor:pointer;font-size:.92rem;font-weight:600;font-family:var(--font-family);-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:8px;padding:11px 22px;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:0 4px 16px #0284c759}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0284c773}.btn-secondary{background:var(--bg-accent);color:var(--primary-hover);border:1px solid #bae6fd}.btn-outline{border:1.5px solid var(--border-color);color:var(--text-main);background:#fff}.btn-sm{border-radius:var(--radius-sm);padding:7px 14px;font-size:.84rem}.form-group{flex-direction:column;gap:6px;margin-bottom:18px;display:flex}.form-label{color:var(--text-main);align-items:center;gap:4px;font-size:.85rem;font-weight:600;display:flex}.form-input,.form-select,.form-textarea{border:1.5px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-main);font-size:.95rem;font-family:var(--font-family);background:#fff;padding:11px 16px;transition:all .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 4px #0284c726}.desktop-app-container{background:var(--bg-main);width:100%;min-height:100dvh;display:flex}.sidebar{border-right:1px solid var(--border-color);background:#fff;flex-direction:column;width:270px;height:100vh;padding:24px 18px;display:flex;position:sticky;top:0;box-shadow:2px 0 12px #0f172a05}.sidebar-brand{border-bottom:1px solid var(--border-color);align-items:center;gap:12px;margin-bottom:24px;padding-bottom:24px;display:flex}.brand-icon{background:var(--primary-gradient);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.35rem;font-weight:800;display:flex;box-shadow:0 4px 12px #0284c74d}.brand-name{color:var(--primary-hover);letter-spacing:-.03em;font-size:1.35rem;font-weight:800}.sidebar-menu{flex-direction:column;flex:1;gap:8px;display:flex}.menu-item{border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;align-items:center;gap:12px;padding:11px 16px;font-size:.94rem;font-weight:600;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.menu-item:hover{background:var(--bg-accent);color:var(--primary)}.menu-item.active{background:var(--primary-gradient);color:#fff;box-shadow:0 6px 16px #0284c74d}.main-content{flex-direction:column;flex:1;min-width:0;display:flex}.top-header{border-bottom:1px solid var(--border-color);background:#fff;justify-content:space-between;align-items:center;height:72px;padding:0 36px;display:flex;box-shadow:0 2px 10px #0f172a05}.page-body{flex:1;padding:36px}.mobile-top-bar,.mobile-bottom-nav{display:none}.card{border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);background:#fff;padding:24px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:28px;display:grid}.stat-card{border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;align-items:center;gap:16px;padding:20px;display:flex}.stat-icon{background:var(--bg-accent);width:52px;height:52px;color:var(--primary);border-radius:14px;justify-content:center;align-items:center;font-size:1.5rem;display:flex}.stat-number{color:var(--text-main);font-size:1.8rem;font-weight:800;line-height:1.15}.stat-label{color:var(--text-muted);font-size:.84rem;font-weight:600}.table-responsive{width:100%;overflow-x:auto}.custom-table{border-collapse:separate;border-spacing:0;text-align:left;width:100%}.custom-table th{color:var(--text-muted);text-transform:uppercase;border-bottom:1px solid var(--border-color);background:#f8fafc;padding:14px 18px;font-size:.78rem;font-weight:700}.custom-table td{color:var(--text-main);border-bottom:1px solid var(--border-color);background:#fff;padding:16px 18px;font-size:.92rem}.modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;background:#0f172a8c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-card{border-radius:var(--radius-lg);border:1px solid var(--border-color);background:#fff;width:100%;max-width:540px;max-height:90vh;padding:30px;overflow-y:auto;box-shadow:0 25px 50px -12px #0f172a40}.landing-navbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;background:#fffffff2;justify-content:space-between;align-items:center;width:100%;padding:16px 40px;display:flex;position:sticky;top:0}.landing-nav-links{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.hero-section{text-align:center;border-bottom:1px solid var(--border-color);background:radial-gradient(circle at 50% 10%,#e0f2fe 0%,#f8fafc 65%,#edf2f7 100%);width:100%;padding:80px 24px;position:relative;overflow:hidden}@keyframes float3d{0%,to{transform:translateY(0)rotateX(2deg)rotateY(-2deg)}50%{transform:translateY(-12px)rotateX(-2deg)rotateY(2deg)}}@keyframes pulseGlow{0%,to{opacity:.6;transform:scale(1)}50%{opacity:.95;transform:scale(1.08)}}.hero-3d-wrapper{perspective:1200px;justify-content:center;width:100%;margin-top:40px;display:flex}.hero-3d-card{width:100%;max-width:960px;transform-style:preserve-3d;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:linear-gradient(135deg,#fffffff5 0%,#f0f9ffeb 100%);border:1px solid #bae6fdcc;border-radius:24px;padding:32px;transition:transform .4s,box-shadow .4s;animation:6s ease-in-out infinite float3d;position:relative;box-shadow:0 30px 60px -12px #0284c738,0 18px 36px -18px #0f172a1f,inset 0 2px 4px #ffffffe6}.hero-3d-card:hover{transform:translateY(-6px)rotateX(0)rotateY(0)scale(1.01);box-shadow:0 40px 80px -15px #0284c747,0 24px 48px -20px #0f172a2e}.card-3d-badge{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#0f172a;z-index:10;background:#ffffffeb;border:1px solid #e2e8f0cc;border-radius:14px;align-items:center;gap:10px;padding:10px 16px;font-size:.82rem;font-weight:800;transition:all .3s;display:flex;position:absolute;box-shadow:0 12px 24px #00000014}.role-portal-section{border-bottom:1px solid var(--border-color);background:#fff;padding:70px 24px}.role-grid-3d{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;max-width:1100px;margin:0 auto;display:grid}.role-card-3d{text-align:center;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:24px 20px;transition:all .35s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden;box-shadow:0 10px 25px -5px #0f172a0f,0 8px 10px -6px #00000005}.role-card-3d:before{content:"";background:var(--primary-gradient);opacity:0;height:4px;transition:opacity .3s;position:absolute;top:0;left:0;right:0}.role-card-3d:hover{border-color:#bae6fd;transform:translateY(-8px)scale(1.02);box-shadow:0 20px 35px -8px #0284c733,0 12px 18px -8px #0000000f}.role-card-3d:hover:before{opacity:1}.role-icon-3d{border-radius:16px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;transition:transform .3s;display:flex;box-shadow:0 8px 16px #00000014}.role-card-3d:hover .role-icon-3d{transform:scale(1.1)rotate(4deg)}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;width:100%;max-width:1200px;margin:0 auto;padding:70px 24px;display:grid}.feature-card{border:1px solid var(--border-color);border-radius:var(--radius-lg);background:#fff;padding:30px;transition:all .3s;box-shadow:0 4px 12px #00000008}.feature-card:hover{border-color:#bae6fd;transform:translateY(-6px);box-shadow:0 16px 32px #0284c71f}@media (width<=768px){.desktop-app-container{flex-direction:column;min-height:100dvh}.sidebar,.top-header{display:none!important}.mobile-top-bar{z-index:50;border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);background:#fff;flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;position:sticky;top:0;display:flex!important}.mobile-bottom-nav{-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border-color);z-index:200;background:#fffffffa;flex-shrink:0;justify-content:space-around;align-items:center;height:65px;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #0f172a14;display:flex!important}.main-content{-webkit-overflow-scrolling:touch;flex:1;overflow:hidden auto;padding-bottom:0!important}.mobile-nav-item{color:var(--text-muted);cursor:pointer;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;height:100%;font-size:.7rem;font-weight:600;display:flex}.mobile-nav-item.active{color:var(--primary)}.mobile-nav-item.active .material-symbols-outlined{font-variation-settings:"FILL" 1;color:var(--primary)}.page-body{padding:16px 16px 84px!important}.stats-grid{grid-template-columns:repeat(2,1fr)!important;gap:12px!important}.stat-card{gap:12px!important;padding:14px!important}.stat-icon{width:42px!important;height:42px!important;font-size:1.25rem!important}.stat-number{font-size:1.4rem!important}.modal-card{max-width:95%!important;padding:20px!important}.landing-navbar{flex-direction:column!important;align-items:stretch!important;gap:12px!important;padding:12px 16px!important}.landing-nav-links{justify-content:space-between!important;gap:6px!important;width:100%!important}.landing-nav-links button{flex:auto!important;justify-content:center!important;padding:6px 10px!important;font-size:.75rem!important}.hero-section{padding:40px 16px!important}.hero-section h1{word-break:break-word!important;font-size:1.85rem!important;line-height:1.25!important}.hero-section p{font-size:.98rem!important;line-height:1.5!important}.hero-buttons{flex-direction:column!important;gap:10px!important;width:100%!important}.hero-buttons button{justify-content:center!important;width:100%!important;padding:12px 18px!important;font-size:.92rem!important}.simulation-banner{padding:28px 16px!important}.simulation-banner>div{flex-direction:column!important;align-items:flex-start!important;gap:16px!important}.simulation-banner button{text-align:center!important;justify-content:center!important;width:100%!important}.platform-metrics-grid{grid-template-columns:repeat(2,1fr)!important;gap:16px 12px!important}.features-grid{grid-template-columns:1fr!important;gap:16px!important;padding:40px 16px!important}.feature-card{padding:20px!important}}.mobile-only-view{display:none!important}.desktop-only-view{display:block!important}@media (width<=768px){.mobile-only-view{display:block!important}.desktop-only-view{display:none!important}}.teacher-bottom-nav{z-index:9999!important;background:#fff!important;border-top:1px solid #e2e8f0!important;flex-direction:row!important;justify-content:space-around!important;align-items:center!important;height:62px!important;padding:4px 6px!important;display:flex!important;position:fixed!important;bottom:0!important;left:0!important;right:0!important;box-shadow:0 -4px 16px #00000014!important}.teacher-bottom-nav-btn{cursor:pointer!important;background:0 0!important;border:none!important;flex-direction:column!important;flex:1!important;justify-content:center!important;align-items:center!important;gap:2px!important;padding:6px 0!important;font-family:inherit!important;text-decoration:none!important;display:flex!important}