@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap";:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg-color:#0f172a;--surface:#1e293b;--surface-hover:#334155;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-color:#334155;--accent:#f59e0b;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0;font-family:Outfit,sans-serif}body{background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;overflow-x:hidden}@keyframes logoGlow{0%,to{filter:drop-shadow(0 0 8px #818cf880)drop-shadow(0 0 20px #c084fc40)}50%{filter:drop-shadow(0 0 16px #818cf8e6)drop-shadow(0 0 40px #c084fc80)}}@keyframes logoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.logo-animated{will-change:filter, transform;image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges;animation:3s ease-in-out infinite logoGlow,4s ease-in-out infinite logoFloat}.layout-container{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--surface);border-right:1px solid var(--border-color);z-index:10;flex-direction:column;gap:2rem;width:320px;padding:2rem 1.5rem;display:flex;overflow-y:auto;box-shadow:4px 0 20px #0003}.main-content{background:radial-gradient(circle at 100% 0,#1e293b 0%,#0f172a 100%);flex:1;padding:2rem;overflow-y:auto}.brand{align-items:center;gap:1rem;display:flex}.brand img{object-fit:contain;width:48px;height:48px}.brand h1{background:linear-gradient(135deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.input-group{flex-direction:column;gap:.5rem;margin-bottom:1rem;display:flex}.input-group label{color:var(--text-secondary);font-size:.875rem;font-weight:600}input,select,textarea{border:1px solid var(--border-color);color:var(--text-primary);background-color:#0f172a99;border-radius:8px;outline:none;padding:.75rem 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2rem;display:flex}.viewer-header-info{align-items:center;gap:1rem;display:flex}.esc-hint{color:var(--text-secondary);align-items:center;gap:.5rem;font-size:.875rem;animation:2s infinite pulse;display:flex}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}.viewer-iframe{background:#fff;border:none;flex:1;width:100%}.landing-page{background-color:var(--bg-color);flex-direction:column;width:100vw;min-height:100vh;display:flex;overflow-x:hidden}.hero-section{background:#0f172a;justify-content:center;align-items:center;min-height:100vh;padding:6rem 2rem 4rem;display:flex;position:relative;overflow:hidden}.hero-section:before{content:"";pointer-events:none;background-image:linear-gradient(#4f46e512 1px,#0000 1px),linear-gradient(90deg,#4f46e512 1px,#0000 1px);background-size:48px 48px;animation:20s linear infinite gridMove;position:absolute;inset:0}.hero-section:after{content:"";pointer-events:none;background:radial-gradient(#818cf82e 0%,#0000 65%);width:900px;height:600px;position:absolute;top:-200px;left:50%;transform:translate(-50%)}@keyframes gridMove{0%{background-position:0 0}to{background-position:48px 48px}}.hero-container{z-index:1;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4rem;width:100%;max-width:1200px;display:flex;position:relative}.hero-text{flex:1;min-width:300px}.hero-badge{color:#a5b4fc;letter-spacing:.02em;background:#4f46e51f;border:1px solid #818cf84d;border-radius:100px;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:.35rem 1rem;font-size:.8rem;font-weight:600;display:inline-flex}.hero-badge-dot{background:#818cf8;border-radius:50%;width:6px;height:6px;animation:1.5s ease-in-out infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}.hero-text h1{background:linear-gradient(135deg,#f8fafc 40%,#94a3b8 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span{background:linear-gradient(135deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-text>p{color:var(--text-secondary);max-width:520px;margin-bottom:2.5rem;font-size:1.15rem;line-height:1.7}.hero-stats{flex-wrap:wrap;gap:2.5rem;display:flex}.hero-stat{flex-direction:column;display:flex}.hero-stat-number{background:linear-gradient(135deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.75rem;font-weight:700}.hero-stat-label{color:var(--text-secondary);margin-top:.1rem;font-size:.8rem;font-weight:500}.login-card-wrapper{flex-shrink:0;position:relative}.login-card-wrapper:before{content:"";filter:blur(20px);opacity:.6;z-index:0;background:linear-gradient(135deg,#818cf880,#c084fc80);border-radius:26px;position:absolute;inset:-2px}.login-card{z-index:1;-webkit-backdrop-filter:blur(20px);background:#0f172ad9;border:1px solid #818cf833;border-radius:24px;flex-direction:column;gap:1.25rem;width:100%;max-width:420px;padding:2.5rem;display:flex;position:relative;box-shadow:0 32px 64px -12px #000000b3}.login-card .brand{justify-content:center;margin-bottom:.5rem}.login-card .brand h2{color:var(--text-primary);font-size:1.6rem;font-weight:700}.login-card input{border:1px solid var(--border-color);width:100%;color:var(--text-primary);background-color:#0f172a99;border-radius:8px;padding:.75rem 1rem}.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 2px #4f46e540}.login-card .divider{color:var(--text-secondary);align-items:center;font-size:.82rem;display:flex}.login-card .divider:before,.login-card .divider:after{content:"";border-bottom:1px solid var(--border-color);flex:1}.login-card .divider:not(:empty):before{margin-right:.5em}.login-card .divider:not(:empty):after{margin-left:.5em}.login-card button{border-radius:8px}.login-card 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auto;display:grid;position:relative}.step-card{text-align:center;flex-direction:column;align-items:center;padding:2rem 1.5rem;display:flex}.step-number{color:#fff;background:linear-gradient(135deg,#4f46e5,#7c3aed);border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:1.25rem;font-size:1.25rem;font-weight:700;display:flex;box-shadow:0 0 0 8px #4f46e51f}.step-title{margin-bottom:.5rem;font-size:1.05rem;font-weight:700}.step-desc{color:var(--text-secondary);font-size:.88rem;line-height:1.65}.contact-section{background:#0f172a;flex-direction:column;align-items:center;padding:6rem 2rem;display:flex}.contact-card{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#1e293b99;border:1px solid #818cf826;border-radius:24px;width:100%;max-width:560px;padding:3rem 2.5rem;box-shadow:0 32px 64px #0006}.contact-header{text-align:center;margin-bottom:2rem}.contact-icon{color:#818cf8;background:#4f46e526;border-radius:14px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 1rem;display:flex}.contact-header h3{margin-bottom:.5rem;font-size:1.5rem;font-weight:700}.contact-header p{color:var(--text-secondary);font-size:.88rem}.contact-form{flex-direction:column;gap:1.25rem;display:flex}.contact-form input,.contact-form textarea{border:1px solid var(--border-color);width:100%;color:var(--text-primary);background:#0f172ab3;border-radius:10px;padding:.85rem 1rem;transition:all .2s}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #4f46e533}.contact-form textarea{resize:vertical;min-height:120px}.landing-footer{border-top:1px solid var(--border-color);background:#080e1a;flex-direction:column;align-items:center;gap:1rem;padding:2.5rem 2rem;display:flex}.footer-brand{align-items:center;gap:.75rem;display:flex}.footer-brand img{width:32px;height:32px}.footer-brand span{color:var(--text-primary);font-size:1rem;font-weight:700}.footer-copy{color:var(--text-secondary);text-align:center;font-size:.78rem}.mobile-menu-btn{z-index:100;background-color:var(--surface);border:1px solid var(--border-color);border-radius:8px;padding:.5rem;display:none;position:fixed;top:1rem;left:1rem;box-shadow:0 4px 6px #0000004d}.mobile-menu-overlay{z-index:9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;display:none;position:fixed;inset:0}@media (width<=768px){.mobile-menu-btn{display:flex}.mobile-menu-overlay{display:block}.sidebar{z-index:20;height:100vh;transition:transform .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{padding-top:5rem}}@media print{@page{size:landscape;margin:1.5cm}body,.main-content{color:#000!important;background:#fff!important}.sidebar,.mobile-menu-btn,button,.print-hide,.viewer-overlay{display:none!important}.main-content{height:auto!important;padding:0!important;overflow:visible!important}.layout-container{height:auto!important;display:block!important;overflow:visible!important}.print-only-header{align-items:center;gap:1.5rem;margin-bottom:2rem;display:flex!important}.print-only-header img{object-fit:contain;width:120px;height:120px}.print-only-header h2{color:#000;margin-bottom:.25rem;font-size:2rem;font-weight:700}.print-only-header p{color:#444;font-size:1.1rem}.table-container{border:none!important;border-radius:0!important;overflow:visible!important}table{page-break-inside:auto;color:#000!important;border-collapse:collapse!important;width:100%!important;max-width:none!important}tr{page-break-inside:avoid;page-break-after:auto}th,td{color:#000!important;background:0 0!important;border:1px solid #ddd!important;padding:.5rem!important;font-size:.85rem!important}th{background:#f1f5f9!important;font-weight:700!important}input.grade-input{color:#000!important;background:0 0!important;border:none!important;padding:0!important;font-weight:600!important}}