:root{--font-family:"Inter","Segoe UI",-apple-system,sans-serif;--transition-speed:0.3s;--transition-cubic:cubic-bezier(0.4,0,0.2,1);--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:16px;--border-radius-xl:24px;--shadow-sm:0 2px 8px #0000000a;--shadow-md:0 8px 24px #00000014;--shadow-lg:0 16px 40px #0000001f;--shadow-glow:0 0 20px #6366f126;--primary-color:#6366f1;--primary-hover:#4f46e5;--primary-light:#e0e7ff;--bg-color:#f8fafc;--surface-color:#fff;--text-color:#1e293b;--text-muted:#64748b;--border-color:#e2e8f0;--sidebar-width:260px}.student-theme{--primary-color:#10b981;--primary-hover:#059669;--primary-light:#d1fae5;--bg-color:#f0fdf4;--surface-color:#fff;--text-color:#064e3b;--text-muted:#047857;--border-color:#a7f3d0;--shadow-glow:0 0 20px #10b98126}body{-webkit-font-smoothing:antialiased;background-color:#f8fafc;background-color:var(--bg-color);color:#1e293b;color:var(--text-color);font-family:Inter,Segoe UI,-apple-system,sans-serif;font-family:var(--font-family);margin:0;padding:0;transition:background-color .3s cubic-bezier(.4,0,.2,1);transition:background-color var(--transition-speed) var(--transition-cubic)}::-webkit-scrollbar{height:6px;width:6px}::-webkit-scrollbar-track{background:#0000}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.login-wrapper{align-items:center;background:radial-gradient(circle at 10% 20%,#6366f126 0,#a855f726 90.2%),#f8fafc;display:flex;justify-content:center;min-height:100vh;padding:20px}.login-card{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:#ffffffb3;border:1px solid #fff6;border-radius:24px;border-radius:var(--border-radius-xl);box-shadow:0 16px 40px #0000001f;box-shadow:var(--shadow-lg);overflow:hidden;transition:transform .3s ease}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{background-color:#0f172a;bottom:0;color:#f8fafc;display:flex;flex-direction:column;left:0;position:fixed;top:0;transition:all .3s cubic-bezier(.4,0,.2,1);transition:all var(--transition-speed) var(--transition-cubic);width:260px;width:var(--sidebar-width);z-index:100}.admin-sidebar-header{align-items:center;border-bottom:1px solid #ffffff0d;display:flex;gap:12px;padding:24px}.admin-sidebar-header h4{font-size:1.15rem;font-weight:700;letter-spacing:.5px;margin:0}.admin-sidebar-menu{flex-grow:1;list-style:none;margin:0;padding:20px 12px}.admin-menu-item{align-items:center;border-radius:12px;border-radius:var(--border-radius-md);color:#94a3b8;display:flex;font-weight:500;gap:12px;margin-bottom:6px;padding:12px 16px;text-decoration:none;transition:all .2s ease}.admin-menu-item.active,.admin-menu-item:hover{background-color:#ffffff14;color:#fff}.admin-menu-item.active{background-color:#6366f1;background-color:var(--primary-color);box-shadow:0 0 20px #6366f126;box-shadow:var(--shadow-glow)}.admin-sidebar-footer{border-top:1px solid #ffffff0d;display:flex;flex-direction:column;gap:12px;padding:20px}.admin-main{flex-grow:1;margin-left:260px;margin-left:var(--sidebar-width);min-height:100vh;padding:32px;transition:all .3s cubic-bezier(.4,0,.2,1);transition:all var(--transition-speed) var(--transition-cubic)}.admin-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:32px}@media (max-width:991px){.admin-sidebar{transform:translateX(-100%)}.admin-sidebar.show{transform:translateX(0)}.admin-main{margin-left:0;padding:20px}}.student-layout{display:flex;flex-direction:column;min-height:100vh}.student-navbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffc;border-bottom:1px solid #e2e8f0;border-bottom:1px solid var(--border-color);position:-webkit-sticky;position:sticky;top:0;z-index:100}.student-navbar-brand{color:#6366f1!important;color:var(--primary-color)!important;font-size:1.3rem;font-weight:800}.student-app-container{flex-grow:1;margin:0 auto;max-width:800px;padding:24px 16px;width:100%}.glass-card{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:#ffffffb3;border:1px solid #ffffff80;border-radius:16px;border-radius:var(--border-radius-lg);box-shadow:0 8px 24px #00000014;box-shadow:var(--shadow-md);transition:all .3s ease}.glass-card:hover{box-shadow:0 16px 40px #0000001f;box-shadow:var(--shadow-lg)}.custom-card{background-color:#fff;background-color:var(--surface-color);border:1px solid #e2e8f0;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--border-radius-lg);box-shadow:0 2px 8px #0000000a;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.custom-card:hover{box-shadow:0 8px 24px #00000014;box-shadow:var(--shadow-md);transform:translateY(-2px)}.form-control,.form-select{border:1.5px solid #e2e8f0;border:1.5px solid var(--border-color);border-radius:12px;border-radius:var(--border-radius-md);color:#1e293b;color:var(--text-color);font-size:.95rem;padding:10px 16px;transition:all .2s ease}.form-control:focus,.form-select:focus{border-color:#6366f1;border-color:var(--primary-color);box-shadow:0 0 0 4px #6366f11a;outline:none}.student-theme .form-control:focus,.student-theme .form-select:focus{box-shadow:0 0 0 4px #10b9811a}.input-group-text{background-color:initial;border:1.5px solid #e2e8f0;border:1.5px solid var(--border-color);border-radius:12px 0 0 12px;border-radius:var(--border-radius-md) 0 0 var(--border-radius-md);border-right:none;color:#64748b;color:var(--text-muted)}.input-group .form-control{border-radius:0 12px 12px 0;border-radius:0 var(--border-radius-md) var(--border-radius-md) 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