:root{--navy-950:#08111f;--navy-900:#0f172a;--navy-800:#1e293b;--blue-700:#1d4ed8;--blue-600:#2563eb;--blue-500:#3b82f6;--blue-100:#dbeafe;--blue-50:#eff6ff;--green-700:#047857;--green-600:#059669;--green-100:#d1fae5;--green-50:#ecfdf5;--amber-700:#b45309;--amber-100:#fef3c7;--amber-50:#fffbeb;--red-700:#b91c1c;--red-100:#fee2e2;--red-50:#fef2f2;--slate-900:#0f172a;--slate-800:#1e293b;--slate-700:#334155;--slate-600:#475569;--slate-500:#64748b;--slate-400:#94a3b8;--slate-300:#cbd5e1;--slate-200:#e2e8f0;--slate-100:#f1f5f9;--slate-50:#f8fafc;--white:#fff;--sidebar-width:270px;--radius-sm:7px;--radius-md:10px;--radius-lg:14px;--radius-xl:18px;--shadow-card:0 5px 25px #0f172a0f}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--slate-50);color:var(--slate-900);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh}.sidebar{width:var(--sidebar-width);z-index:100;background:var(--navy-950);color:#fff;flex-direction:column;height:100vh;padding:22px 16px;display:flex;position:fixed;top:0;left:0}.brand{align-items:center;gap:12px;padding:2px 7px 28px;display:flex}.brand-mark{width:44px;height:44px;color:var(--navy-900);background:#fff;border-radius:12px;justify-content:center;align-items:center;font-weight:800;display:flex}.brand>div:nth-child(2){flex-direction:column;display:flex}.brand strong{font-size:14px}.brand span{color:var(--slate-400);margin-top:3px;font-size:10px}.sidebar-close{color:#fff;background:0 0;border:0;margin-left:auto;font-size:24px;display:none}.nav-label{color:#64748b;letter-spacing:1.3px;padding:0 11px 8px;font-size:9px;font-weight:700}.account-label{margin-top:25px}.sidebar nav{flex-direction:column;gap:5px;display:flex}.nav-item{color:#aab5c5;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:12px;min-height:44px;padding:0 13px;font-size:12px;display:flex}.nav-item:hover{color:#fff;background:#ffffff0d}.nav-item.active{color:#fff;box-shadow:inset 3px 0 0 var(--blue-500);background:#1e293b}.sidebar-bottom{margin-top:auto}.ai-engine-card{background:#ffffff09;border:1px solid #ffffff14;border-radius:11px;gap:10px;padding:12px;display:flex}.engine-icon{color:#93c5fd;background:#3b82f626;border-radius:8px;justify-content:center;align-items:center;width:35px;height:35px;font-size:10px;font-weight:800;display:flex}.ai-engine-card>div:last-child{flex-direction:column;display:flex}.ai-engine-card span{color:#8290a5;font-size:8px}.ai-engine-card strong{margin-top:2px;font-size:10px}.ai-engine-card small{color:#6ee7b7;margin-top:4px;font-size:8px}.version{color:#4c5a70;text-align:center;padding-top:11px;font-size:8px}.main-area{min-height:100vh;margin-left:var(--sidebar-width)}.topbar{z-index:50;border-bottom:1px solid var(--slate-200);background:#fffffff7;justify-content:space-between;align-items:center;min-height:82px;padding:15px 34px;display:flex;position:sticky;top:0}.topbar-left{align-items:center;gap:12px;display:flex}.topbar h1{margin:0;font-size:18px}.topbar p{color:var(--slate-500);margin:4px 0 0;font-size:10px}.topbar-right{align-items:center;gap:12px;display:flex}.status{border-radius:999px;align-items:center;gap:7px;padding:8px 12px;font-size:9px;font-weight:700;display:flex}.status span{border-radius:50%;width:7px;height:7px}.status.online{background:var(--green-50);color:var(--green-700)}.status.online span{background:var(--green-600)}.status.offline{background:var(--red-50);color:var(--red-700)}.status.offline span{background:var(--red-700)}.user-avatar{background:var(--navy-900);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:10px;font-weight:700;display:flex}.mobile-menu{color:var(--slate-700);background:0 0;border:0;font-size:20px;display:none}.page-content{width:100%;max-width:1080px;margin:auto;padding:43px 34px 70px}.hero{text-align:center;max-width:700px;margin:0 auto 35px}.eyebrow,.report-eyebrow{background:var(--blue-50);color:var(--blue-700);letter-spacing:.9px;border-radius:6px;padding:5px 9px;font-size:8px;font-weight:800;display:inline-flex}.hero h2{letter-spacing:-.7px;margin:13px 0 9px;font-size:clamp(24px,3vw,32px);line-height:1.2}.hero p{max-width:620px;color:var(--slate-500);margin:auto;font-size:11px;line-height:1.7}.steps{justify-content:center;align-items:center;margin-bottom:27px;display:flex}.step-wrapper{align-items:center;display:flex}.step{align-items:center;gap:8px;min-width:125px;display:flex}.step-number{border:1px solid var(--slate-300);width:30px;height:30px;color:var(--slate-500);background:#fff;border-radius:50%;justify-content:center;align-items:center;font-size:9px;font-weight:700;display:flex}.step.completed .step-number{background:var(--blue-600);border-color:var(--blue-600);color:#fff}.step>div:last-child{flex-direction:column;display:flex}.step strong{font-size:9px}.step span{color:var(--slate-400);margin-top:2px;font-size:7px}.step-line{background:var(--slate-200);width:45px;height:1px;margin:0 9px}.step-line.completed{background:var(--blue-500)}.form-card{border:1px solid var(--slate-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);background:#fff;padding:24px}.card-heading{justify-content:space-between;align-items:flex-start;margin-bottom:24px;display:flex}.card-heading span{color:var(--blue-600);letter-spacing:1px;font-size:8px;font-weight:800}.card-heading h3{margin:5px 0;font-size:18px}.card-heading p{color:var(--slate-500);margin:0;font-size:10px}.card-icon{background:var(--blue-50);width:43px;height:43px;color:var(--blue-600);border-radius:11px;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:flex}.form-grid{grid-template-columns:repeat(2,1fr);gap:18px;display:grid}.form-group{flex-direction:column;gap:7px;display:flex}.form-group label{color:var(--slate-700);font-size:9px;font-weight:700}.form-group input{border:1px solid var(--slate-300);width:100%;height:42px;color:var(--slate-800);background:#fff;border-radius:8px;outline:none;padding:0 13px;font-size:11px}.form-group input:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px #3b82f617}.form-actions{justify-content:flex-end;gap:10px;margin-top:23px;display:flex}.primary-button,.secondary-button{border:0;border-radius:8px;min-height:40px;padding:0 18px;font-size:10px;font-weight:700}.primary-button{background:var(--blue-600);color:#fff;align-items:center;gap:9px;display:flex}.primary-button:hover{background:var(--blue-700)}.secondary-button{border:1px solid var(--slate-300);color:var(--slate-600);background:#fff}.exam-reference{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:8px;align-items:center;gap:10px;margin-bottom:18px;padding:10px 13px;font-size:9px;display:flex}.exam-reference span{color:var(--slate-500)}.exam-reference strong{color:var(--blue-600)}.upload-box{border:1.5px dashed var(--slate-300);border-radius:var(--radius-lg);background:var(--slate-50);cursor:pointer;text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:190px;padding:24px;transition:all .2s;display:flex}.upload-box:hover{border-color:var(--blue-500);background:var(--blue-50)}.upload-box input{display:none}.upload-icon{background:var(--blue-100);width:42px;height:42px;color:var(--blue-700);border-radius:10px;justify-content:center;align-items:center;margin-bottom:11px;font-size:18px;display:flex}.upload-box strong{color:var(--slate-800);font-size:11px}.upload-box span{color:var(--slate-500);margin-top:5px;font-size:9px}.upload-box small{color:var(--slate-400);margin-top:7px;font-size:8px}.answer-upload{margin-top:20px}.notice{border:1px solid var(--amber-100);background:var(--amber-50);border-radius:8px;flex-direction:column;margin-top:15px;padding:12px;display:flex}.notice strong{color:var(--amber-700);font-size:9px}.notice span{color:#92400e;margin-top:4px;font-size:8px;line-height:1.5}.loading-card{border:1px solid var(--slate-200);border-radius:var(--radius-lg);min-height:78px;box-shadow:var(--shadow-card);background:#fff;align-items:center;gap:14px;margin-bottom:20px;padding:17px 19px;display:flex}.spinner{border:3px solid var(--blue-100);border-top-color:var(--blue-600);border-radius:50%;width:34px;height:34px;animation:.75s linear infinite spin}.loading-card>div:last-child{flex-direction:column;display:flex}.loading-card strong{font-size:11px}.loading-card span{color:var(--slate-500);margin-top:4px;font-size:9px}@keyframes spin{to{transform:rotate(360deg)}}.error-alert{background:var(--red-50);border:1px solid var(--red-100);color:var(--red-700);border-radius:8px;align-items:center;gap:10px;margin-bottom:18px;padding:12px;font-size:9px;display:flex}.error-alert>div{background:var(--red-100);border-radius:50%;justify-content:center;align-items:center;width:23px;height:23px;font-weight:800;display:flex}.success-summary{background:var(--green-50);border:1px solid var(--green-100);border-radius:9px;align-items:center;gap:11px;margin-bottom:16px;padding:13px;display:flex}.success-icon{background:var(--green-600);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;display:flex}.success-summary>div:last-child{flex-direction:column;display:flex}.success-summary strong{color:var(--green-700);font-size:10px}.success-summary span{color:#065f46;margin-top:3px;font-size:8px}.report-section{flex-direction:column;gap:16px;display:flex}.report-header{justify-content:space-between;align-items:flex-end;display:flex}.report-header h2{margin:7px 0 4px;font-size:22px}.report-header p{color:var(--slate-500);margin:0;font-size:9px}.student-card{border:1px solid var(--slate-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);background:#fff;align-items:center;padding:18px;display:flex}.student-avatar{background:var(--navy-900);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:50px;height:50px;font-size:17px;font-weight:800;display:flex}.student-info{flex-direction:column;margin-left:13px;display:flex}.student-info strong{font-size:13px}.student-info span{color:var(--slate-500);margin-top:4px;font-size:9px}.score-container{align-items:center;gap:13px;margin-left:auto;display:flex}.score{align-items:baseline;display:flex}.score strong{color:var(--blue-600);font-size:24px}.score span{color:var(--slate-400);margin-left:3px;font-size:11px}.percentage{background:var(--blue-50);color:var(--blue-700);border-radius:7px;padding:7px 10px;font-size:11px;font-weight:800}.summary-grid{grid-template-columns:repeat(4,1fr);gap:11px;display:grid}.summary-card{border:1px solid var(--slate-200);border-radius:var(--radius-md);background:#fff;flex-direction:column;padding:15px;display:flex}.summary-card span{color:var(--slate-500);font-size:8px}.summary-card strong{color:var(--slate-800);margin-top:6px;font-size:17px}.question-results-heading{margin-top:8px}.question-results-heading h3{margin:0;font-size:14px}.question-results-heading p{color:var(--slate-500);margin:4px 0 0;font-size:9px}.question-results{flex-direction:column;gap:13px;display:flex}.question-result{border:1px solid var(--slate-200);border-radius:var(--radius-lg);background:#fff;padding:19px;box-shadow:0 2px 10px #0f172a09}.question-result-header{justify-content:space-between;gap:20px;display:flex}.question-number{color:var(--blue-600);letter-spacing:.8px;font-size:8px;font-weight:800}.question-result-header h3{color:var(--slate-800);margin:5px 0 0;font-size:12px;font-weight:650}.marks-box{white-space:nowrap}.marks-box strong{color:var(--blue-600);font-size:18px}.marks-box span{color:var(--slate-400);font-size:10px}.marks-progress{background:var(--slate-100);border-radius:20px;height:4px;margin:14px 0 17px;overflow:hidden}.marks-progress div{background:var(--blue-600);border-radius:20px;height:100%}.question-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:11px;display:grid}.question-grid label{color:var(--slate-500);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:8px;font-weight:700;display:block}.content-box{border:1px solid var(--slate-200);background:var(--slate-50);min-height:72px;color:var(--slate-700);white-space:pre-wrap;border-radius:8px;padding:11px;font-size:9px;line-height:1.65}.content-box.answer{background:var(--blue-50);border-color:var(--blue-100)}.content-box.positive{background:var(--green-50);border-color:var(--green-100)}.content-box.warning{background:var(--amber-50);border-color:var(--amber-100)}.confidence-row{color:var(--slate-500);align-items:center;gap:9px;margin-top:15px;font-size:8px;display:flex}.confidence-bar{background:var(--slate-100);border-radius:10px;flex:1;height:4px;overflow:hidden}.confidence-bar div{background:var(--green-600);border-radius:10px;height:100%}.confidence-row strong{color:var(--slate-700)}.ocr-panel{border:1px solid var(--slate-200);border-radius:var(--radius-lg);background:#fff;overflow:hidden}.ocr-panel summary{cursor:pointer;padding:14px 16px;font-size:9px;font-weight:700}.ocr-panel pre{border-top:1px solid var(--slate-200);background:var(--navy-950);color:#dce6f3;white-space:pre-wrap;max-height:400px;margin:0;padding:16px;font-size:9px;line-height:1.6;overflow:auto}@media (width<=960px){.steps{justify-content:flex-start;padding-bottom:5px;overflow-x:auto}.summary-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=820px){.sidebar{transition:transform .25s;transform:translate(-100%)}.sidebar-open{transform:translate(0)}.sidebar-close{display:block}.mobile-overlay{z-index:90;background:#0f172a80;position:fixed;inset:0}.main-area{margin-left:0}.mobile-menu{display:block}.page-content{padding:32px 20px 60px}}@media (width<=600px){.topbar{min-height:70px;padding:13px 15px}.topbar h1{font-size:14px}.topbar p,.user-avatar{display:none}.status{font-size:8px}.page-content{padding:25px 13px 45px}.hero{text-align:left}.hero h2{font-size:23px}.hero p{font-size:10px}.steps{margin-bottom:20px}.step{min-width:105px}.step-line{width:20px;margin:0 5px}.step strong{font-size:8px}.form-card{padding:17px}.form-grid{grid-template-columns:1fr}.card-icon{display:none}.form-actions{flex-direction:column-reverse}.form-actions button{justify-content:center;width:100%}.upload-box{min-height:165px}.student-card{flex-wrap:wrap;align-items:flex-start}.score-container{justify-content:space-between;width:100%;margin:15px 0 0}.summary-grid{grid-template-columns:repeat(2,1fr)}.question-grid{grid-template-columns:1fr}.report-header{flex-direction:column;align-items:flex-start;gap:12px}.report-header button{width:100%}}
