.min-h-screen{min-height:100vh}.bg-gray-50{background-color:#f9fafb}.p-6{padding:1.5rem}.max-w-7xl{width:100%;max-width:none}.mx-auto{margin-left:auto;margin-right:auto}.text-3xl{font-size:1.875rem;line-height:2.25rem}.font-bold{font-weight:700}.text-gray-900{color:#111827}.mb-8{margin-bottom:2rem}.bg-yellow-50{background-color:#fefce8}.border{border-width:1px}.border-yellow-200{border-color:#fde047}.text-green-800{color:#166534}.rounded-lg{border-radius:.5rem}.p-4{padding:1rem}.mb-6{margin-bottom:1.5rem}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.bg-blue-600{background-color:#2563eb}.hover\:bg-blue-700:hover{background-color:#1d4ed8}.text-white{color:#fff}.px-3{padding-left:.75rem;padding-right:.75rem}.space-x-2>*+*{margin-left:.5rem}.cursor-pointer{cursor:pointer}.bg-white{background-color:#fff}.shadow-sm{box-shadow:0 1px 2px #0000000d}.border-b{border-bottom-width:1px}.border-b-2{border-bottom-width:2px}.border-transparent{border-color:#0000}.border-blue-500{border-color:#3b82f6}.text-gray-500{color:#6b7280}.hover\:text-gray-700:hover{color:#374151}.px-6{padding-left:1.5rem;padding-right:1.5rem}.py-4{padding-top:1rem;padding-bottom:1rem}.font-medium{font-weight:500}.text-sm{font-size:.875rem;line-height:1.25rem}.space-y-6>*+*{margin-top:1.5rem}.space-y-4>*+*{margin-top:1rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.font-semibold{font-weight:600}.block{display:block}.text-gray-700{color:#374151}.mb-2{margin-bottom:.5rem}.w-full{width:100%}.border-gray-300{border-color:#d1d5db}.focus\:ring-2:focus{--tw-ring-offset-shadow:var(--tw-ring-inset)0 0 0 var(--tw-ring-offset-width)var(--tw-ring-offset-color);--tw-ring-shadow:var(--tw-ring-inset)0 0 0 calc(2px + var(--tw-ring-offset-width))var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow,0 0 #0000);outline-offset:2px;outline:2px solid #0000}.focus\:ring-blue-500:focus{--tw-ring-color:#3b82f6}.focus\:border-blue-500:focus{border-color:#3b82f6}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.gap-4{gap:1rem}.space-y-3>*+*{margin-top:.75rem}.space-x-3>*+*{margin-left:.75rem}.w-4{width:1rem}.h-4{height:1rem}.flex-1{flex:1}.bg-green-100{background-color:#dcfce7}.bg-gray-100{background-color:#f3f4f6}.px-2{padding-left:.5rem;padding-right:.5rem}.py-1{padding-top:.25rem;padding-bottom:.25rem}.inline-flex{display:inline-flex}.flex-wrap{flex-wrap:wrap}.gap-2{gap:.5rem}.rounded-full{border-radius:9999px}.text-xs{font-size:.75rem;line-height:1rem}.bg-blue-100{background-color:#dbeafe}.ml-1{margin-left:.25rem}.hover\:text-blue-600:hover{color:#2563eb}.disabled\:bg-gray-400:disabled{background-color:#9ca3af}.disabled\:cursor-not-allowed:disabled{cursor:not-allowed}.transition-colors{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}.animate-spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.text-blue-700{color:#1d4ed8}.bg-green-600{background-color:#16a34a}.hover\:bg-green-700:hover{background-color:#15803d}.h-96{height:24rem}.font-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.bg-green-50{background-color:#f0fdf4}.max-h-60{max-height:15rem}.overflow-y-auto{overflow-y:auto}.border-gray-200{border-color:#e5e7eb}.justify-start{justify-content:flex-start}.space-x-4>*+*{margin-left:1rem}.mt-1{margin-top:.25rem}.text-gray-600{color:#4b5563}.bg-yellow-100{background-color:#fef3c7}.text-yellow-800{color:#92400e}.bg-red-100{background-color:#fee2e2}.text-red-800{color:#991b1b}.text-blue-600{color:#2563eb}.hover\:bg-blue-50:hover{background-color:#eff6ff}.rounded{border-radius:.25rem}.text-red-600{color:#dc2626}.hover\:bg-red-50:hover{background-color:#fef2f2}.mb-3{margin-bottom:.75rem}.mt-3{margin-top:.75rem}.border-green-200{border-color:#bbf7d0}.text-green-600{color:#16a34a}.bg-blue-50{background-color:#eff6ff}.text-blue-800{color:#1e40af}.text-2xl{font-size:1.5rem;line-height:2rem}.bg-purple-50{background-color:#faf5ff}.text-purple-600{color:#9333ea}.text-purple-800{color:#6b21a8}.bg-orange-50{background-color:#fff7ed}.text-orange-600{color:#ea580c}.text-orange-800{color:#9a3412}@media (min-width:768px){.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (min-width:1024px){.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}.rounded-xl{border-radius:.75rem}.shadow-lg{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y))rotate(var(--tw-rotate))skewX(var(--tw-skew-x))skewY(var(--tw-skew-y))scaleX(var(--tw-scale-x))scaleY(var(--tw-scale-y))}.transition{transition-property:all;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}.hover\:shadow-xl:hover{box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.hover\:scale-105:hover{--tw-scale-x:1.05;--tw-scale-y:1.05;transform:scale(1.05)}.mr-2{margin-right:.5rem}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.gap-1{gap:.25rem}.bg-gradient-to-br{background-image:linear-gradient(to bottom right,var(--tw-gradient-stops))}.from-blue-500{--tw-gradient-from:#3b82f6;--tw-gradient-to:#3b82f600;--tw-gradient-stops:var(--tw-gradient-from),var(--tw-gradient-to)}.to-purple-600{--tw-gradient-to:#9333ea}button[class*=border-b-2]{transition:all .3s}button[class*=border-b-2]:hover{background-color:#f9fafb}div[class*=border-gray-200][class*=rounded-lg][class*=p-4]{transition:all .3s}div[class*=border-gray-200][class*=rounded-lg][class*=p-4]:hover{transform:translateY(-2px);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}button[class*=bg-blue-600],button[class*=bg-green-600]{transition:all .3s;box-shadow:0 2px 4px #0000001a}button[class*=bg-blue-600]:hover:not(:disabled),button[class*=bg-green-600]:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 8px #00000026}button[class*=bg-blue-600]:active:not(:disabled),button[class*=bg-green-600]:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 4px #0000001a}div[class*=bg-blue-50][class*=rounded-lg][class*=p-4]{background:linear-gradient(135deg,#eff6ff 0%,#dbeafe 100%);transition:all .3s}div[class*=bg-green-50][class*=rounded-lg][class*=p-4]{background:linear-gradient(135deg,#f0fdf4 0%,#dcfce7 100%);transition:all .3s}div[class*=bg-purple-50][class*=rounded-lg][class*=p-4]{background:linear-gradient(135deg,#faf5ff 0%,#f3e8ff 100%);transition:all .3s}div[class*=bg-orange-50][class*=rounded-lg][class*=p-4]{background:linear-gradient(135deg,#fff7ed 0%,#ffedd5 100%);transition:all .3s}div[class*=bg-yellow-50][class*=rounded-lg][class*=p-4]{background:linear-gradient(135deg,#fefce8 0%,#fef3c7 100%);transition:all .3s}div[class*=bg-red-100][class*=rounded-lg][class*=p-4]{background:linear-gradient(135deg,#fee2e2 0%,#fecaca 100%);transition:all .3s}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}span[class*=bg-blue-100][class*=rounded-full]{animation:.3s slideIn}textarea::-webkit-scrollbar{width:8px}textarea::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}textarea::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:4px}textarea::-webkit-scrollbar-thumb:hover{background:#a0aec0}.create-question-container{background:#fff;border:1px solid #f1f5f9;border-radius:16px;padding:2.5rem;animation:.5s ease-out slideInUp;box-shadow:0 10px 40px #00000014}.admin-page{background:linear-gradient(160deg,#0f0c29 0%,#1a1055 35%,#24243e 100%);flex-direction:column;align-items:stretch;height:100dvh;padding:24px 10% 0;display:flex;overflow:hidden}.admin-layout{flex-direction:column;flex:1;gap:16px;width:100%;min-height:0;padding-bottom:30px;display:flex}.admin-header{background:linear-gradient(135deg,#1e1b4b 0%,#312e81 55%,#4338ca 100%);border-radius:20px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;padding:1.5rem 2rem;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 60px #4338ca59,inset 0 1px #ffffff1a}.admin-header-dots{pointer-events:none;background-image:radial-gradient(circle,#ffffff14 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0}.admin-header-left{z-index:1;align-items:center;gap:1rem;display:flex;position:relative}.admin-header-icon-wrap{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;border:2px solid #ffffff40;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;display:flex}.admin-header-emoji{font-size:1.6rem;line-height:1}.admin-header-title{color:#fff;letter-spacing:-.02em;margin:0;font-size:1.5rem;font-weight:800;line-height:1.2}.admin-header-sub{color:#fff9;margin:0;font-size:.8rem;font-weight:500}.admin-header-right{z-index:1;flex-wrap:wrap;align-items:center;gap:.75rem;display:flex;position:relative}.admin-status-pill{border-radius:999px;align-items:center;gap:.5rem;padding:.4rem .9rem;font-size:.75rem;font-weight:600;display:flex}.admin-status-online{color:#6ee7b7;background:#10b98133;border:1px solid #10b98159}.admin-status-offline{color:#fde68a;background:#fbbf2433;border:1px solid #fbbf2459}.admin-status-dot{background:currentColor;border-radius:50%;width:7px;height:7px;animation:2s infinite pulse-dot;box-shadow:0 0 6px}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.5}}.admin-header-actions{align-items:center;gap:.5rem;display:flex}.admin-action-btn{cursor:pointer;letter-spacing:.01em;border:none;border-radius:10px;align-items:center;gap:.4rem;padding:.45rem .9rem;font-size:.78rem;font-weight:700;transition:all .2s;display:flex}.admin-action-violet{color:#fff;background:#8b5cf6e6;box-shadow:0 4px 14px #8b5cf666}.admin-action-violet:hover{background:#7c3aed;transform:translateY(-1px);box-shadow:0 6px 20px #8b5cf680}.admin-action-blue{color:#fff;background:#3b82f6e6;box-shadow:0 4px 14px #3b82f666}.admin-action-blue:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 6px 20px #3b82f680}.admin-action-indigo{color:#fff;background:#6366f1e6;box-shadow:0 4px 14px #6366f166}.admin-action-indigo:hover{background:#4f46e5;transform:translateY(-1px);box-shadow:0 6px 20px #6366f180}.admin-action-ghost{color:#ffffffd9;background:#ffffff1f;border:1px solid #fff3}.admin-action-ghost:hover{background:#fff3;transform:translateY(-1px)}.admin-body{background:#fff;border-radius:20px;flex-direction:row;flex:1;width:100%;min-height:0;animation:.4s ease-out slideInUp;display:flex;overflow:hidden;box-shadow:0 8px 40px #00000026}.admin-sidebar{scrollbar-width:none;background:linear-gradient(#1a1055 0%,#0f0c29 100%);border-right:1px solid #ffffff0f;flex-direction:column;gap:0;width:210px;min-width:210px;padding:16px 10px 24px;display:flex;overflow-y:auto}.admin-sidebar::-webkit-scrollbar{display:none}.admin-sidebar-section{margin-bottom:2px}.admin-sidebar-label{color:#ffffff47;letter-spacing:.12em;text-transform:uppercase;margin:0;padding:14px 10px 5px;font-size:.62rem;font-weight:700}.admin-nav-item{color:#ffffff80;cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;width:100%;padding:7px 10px;font-size:.8rem;font-weight:500;transition:all .15s;display:flex}.admin-nav-item:hover{color:#ffffffd9;background:#ffffff12}.admin-nav-item.admin-nav-item-active{color:#c7d2fe;background:#6366f140;border-left:2px solid #6366f1;padding-left:8px;font-weight:600}.admin-main{scrollbar-width:thin;scrollbar-color:#e2e8f0 transparent;background:#fff;flex:1;min-width:0;padding:28px 32px;overflow-y:auto}.admin-main::-webkit-scrollbar{width:6px}.admin-main::-webkit-scrollbar-track{background:0 0}.admin-main::-webkit-scrollbar-thumb{background:#e2e8f0;border-radius:3px}.admin-main::-webkit-scrollbar-thumb:hover{background:#cbd5e1}@keyframes slideInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.create-question-header{text-align:center;color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:20px;margin-bottom:3rem;padding:2.5rem;position:relative;overflow:hidden;box-shadow:0 15px 35px #667eea4d}.create-question-header:before{content:"";background:radial-gradient(circle,#ffffff1a 1px,#0000 1px) 0 0/20px 20px;width:200%;height:200%;animation:20s linear infinite float;position:absolute;top:-50%;left:-50%}@keyframes float{0%{transform:translate(0)rotate(0)}to{transform:translate(-20px,-20px)rotate(360deg)}}.create-title{text-shadow:0 2px 8px #0003;z-index:2;margin-bottom:.75rem;font-size:2.25rem;font-weight:800;position:relative}.create-subtitle{opacity:.95;z-index:2;font-size:1.125rem;font-weight:500;position:relative}.form-group{margin-bottom:2rem;position:relative}.form-group label{color:#374151;align-items:center;gap:.5rem;margin-bottom:.75rem;font-size:1rem;font-weight:700;display:flex}.form-group label.required:after{content:" *";color:#ef4444;font-weight:700}.form-input,.form-textarea,.form-select{background:linear-gradient(135deg,#f8fafc 0%,#f1f5f9 100%);border:2.5px solid #e2e8f0;border-radius:12px;width:100%;padding:1rem 1.25rem;font-family:inherit;font-size:1rem;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 8px #0000000d}.form-input:focus,.form-textarea:focus,.form-select:focus{background:#fff;border-color:#667eea;outline:none;transform:translateY(-2px);box-shadow:0 8px 25px #667eea26}.form-textarea{resize:vertical;min-height:100px;line-height:1.6}.form-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23667eea' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;padding-right:3rem}.form-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;display:grid}.options-container{background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);border:2px dashed #cbd5e1;border-radius:16px;padding:1.5rem}.option-item{cursor:pointer;background:#fff;border:2.5px solid #e2e8f0;border-radius:14px;align-items:center;gap:1rem;margin-bottom:1rem;padding:1.25rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.option-item:before{content:"";background:linear-gradient(90deg,#0000,#667eea1a,#0000);width:100%;height:100%;transition:left .6s;position:absolute;top:0;left:-100%}.option-item:hover:before{left:100%}.option-item:hover{border-color:#667eea;transform:translateY(-3px);box-shadow:0 8px 25px #0000001a}.option-item:last-child{margin-bottom:0}.option-radio{accent-color:#667eea;cursor:pointer;flex-shrink:0;width:22px;height:22px;transition:all .3s}.option-input{background:#fafafa;border:2px solid #e2e8f0;border-radius:10px;flex:1;padding:.875rem 1rem;font-size:1rem;transition:all .3s}.option-input:focus{background:#fff;border-color:#667eea;outline:none;box-shadow:0 4px 15px #667eea26}.option-status{text-align:center;text-transform:uppercase;letter-spacing:.05em;border-radius:25px;flex-shrink:0;min-width:90px;padding:.5rem 1rem;font-size:.8rem;font-weight:700;transition:all .3s}.option-status.correct{color:#fff;background:linear-gradient(135deg,#10b981 0%,#059669 100%);animation:2s infinite pulseCorrect;box-shadow:0 4px 15px #10b9814d}.option-status.option{color:#fff;background:linear-gradient(135deg,#6b7280 0%,#4b5563 100%);box-shadow:0 2px 8px #6b728033}@keyframes pulseCorrect{0%,to{box-shadow:0 4px 15px #10b9814d}50%{box-shadow:0 6px 20px #10b98180}}.tags-container{flex-wrap:wrap;gap:.75rem;margin-bottom:1rem;display:flex}.tag{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:25px;align-items:center;padding:.625rem 1.25rem;font-size:.875rem;font-weight:600;transition:all .3s;animation:.4s cubic-bezier(.4,0,.2,1) slideInTag;display:inline-flex;position:relative;overflow:hidden;box-shadow:0 4px 12px #667eea4d}.tag:before{content:"";background:linear-gradient(90deg,#0000,#fff3,#0000);width:100%;height:100%;transition:left .5s;position:absolute;top:0;left:-100%}.tag:hover:before{left:100%}.tag:hover{transform:translateY(-2px)scale(1.05);box-shadow:0 6px 20px #667eea66}@keyframes slideInTag{0%{opacity:0;transform:translateY(-15px)scale(.8)}to{opacity:1;transform:translateY(0)scale(1)}}.tag-remove{color:#fff;cursor:pointer;background:#ffffff4d;border:none;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;margin-left:.5rem;padding:.125rem .375rem;font-size:1.1rem;line-height:1;transition:all .3s;display:flex}.tag-remove:hover{background:#ffffff80;transform:rotate(90deg)scale(1.1)}.points-input{text-align:center;color:#667eea;font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%)!important;width:140px!important}.submit-btn{color:#fff;cursor:pointer;text-transform:uppercase;letter-spacing:.05em;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:16px;justify-content:center;align-items:center;gap:.75rem;width:100%;margin-top:2rem;padding:1.5rem 3rem;font-size:1.125rem;font-weight:700;transition:all .4s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden;box-shadow:0 10px 30px #667eea66}.submit-btn:before{content:"";background:linear-gradient(90deg,#0000,#ffffff4d,#0000);width:100%;height:100%;transition:left .6s;position:absolute;top:0;left:-100%}.submit-btn:hover:not(:disabled):before{left:100%}.submit-btn:hover:not(:disabled){background:linear-gradient(135deg,#764ba2 0%,#667eea 100%);transform:translateY(-4px);box-shadow:0 15px 40px #667eea80}.submit-btn:active:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.submit-btn:disabled{cursor:not-allowed;box-shadow:none;opacity:.7;background:linear-gradient(135deg,#9ca3af 0%,#6b7280 100%);transform:none}.loading-spinner{font-size:1.25rem;animation:1s linear infinite spin}@media (max-width:768px){.create-question-container{border-radius:0;margin:0 -1rem;padding:1.5rem}.create-question-header{border-radius:0;margin:-1.5rem -1.5rem 2rem;padding:2rem 1.5rem}.create-title{font-size:1.75rem}.option-item{flex-direction:column;align-items:stretch;gap:1rem;padding:1rem}.option-radio{align-self:flex-start}.form-grid{grid-template-columns:1fr;gap:1rem}.submit-btn{padding:1.25rem 2rem;font-size:1rem}}.form-input.valid,.form-textarea.valid,.form-select.valid{background:linear-gradient(135deg,#f0fdf4 0%,#dcfce7 100%);border-color:#10b981}.form-input.invalid,.form-textarea.invalid,.form-select.invalid{background:linear-gradient(135deg,#fef2f2 0%,#fee2e2 100%);border-color:#ef4444}.form-hint{color:#6b7280;align-items:center;gap:.5rem;margin-top:.5rem;font-size:.875rem;font-style:italic;display:flex}.form-hint:before{content:"💡";font-size:1rem}.form-progress{background:#e5e7eb;border-radius:10px;width:100%;height:6px;margin-bottom:2rem;overflow:hidden}.form-progress-bar{background:linear-gradient(90deg,#667eea,#764ba2);border-radius:10px;height:100%;transition:width .5s;box-shadow:0 0 10px #667eea80}.error-messages{background:#fef2f2;border:2px solid #fecaca;border-radius:12px;margin-bottom:2rem;padding:1.5rem;animation:.3s slideIn}.error-message{color:#dc2626;align-items:center;gap:.5rem;margin-bottom:.5rem;font-weight:600;display:flex}.error-message:last-child{margin-bottom:0}.form-input:invalid,.form-textarea:invalid,.form-select:invalid{background:#fef2f2;border-color:#ef4444}.form-input:valid,.form-textarea:valid,.form-select:valid{background:#f0fdf4;border-color:#10b981}.question-card{background:#fff;border:1px solid #eef2f7;border-radius:18px;padding:1.8rem;transition:all .3s;box-shadow:0 8px 25px #0000000f}.question-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #00000014}.badge-category{color:#4f46e5;background:#eef2ff;border-radius:30px;padding:6px 12px;font-size:.8rem;font-weight:600}.badge-difficulty{text-transform:capitalize;border-radius:30px;padding:6px 12px;font-size:.8rem;font-weight:600}.badge-difficulty.easy{color:#15803d;background:#dcfce7}.badge-difficulty.medium{color:#b45309;background:#fef3c7}.badge-difficulty.hard{color:#b91c1c;background:#fee2e2}.action-btn{background:#f9fafb;border-radius:12px;padding:10px;transition:all .3s}.action-btn:hover{transform:scale(1.1)}.edit-btn{color:#4f46e5}.edit-btn:hover{background:#eef2ff}.delete-btn{color:#dc2626}.delete-btn:hover{background:#fee2e2}.option-preview{background:#f8fafc;border-radius:12px;padding:10px;transition:all .3s}.option-preview.correct{background:#dcfce7;border:1px solid #bbf7d0;font-weight:600}.explanation-box{color:#3730a3;background:linear-gradient(135deg,#eef2ff,#e0e7ff);border-radius:14px;margin-top:15px;padding:15px;font-size:.9rem}
