@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap");:root{--bg-dark:#f8fafc;--bg-deep:#f1f5f9;--bg-glass:rgba(255,255,255,0.75);--bg-glass-heavy:rgba(255,255,255,0.95);--bg-glass-light:rgba(0,0,0,0.02);--border-glass:rgba(0,0,0,0.06);--border-glass-bright:rgba(0,0,0,0.12);--border-glow-cyan:rgba(8,145,178,0.2);--border-glow-purple:rgba(79,70,229,0.2);--primary-cyan:#0891b2;--primary-purple:#4f46e5;--primary-pink:#db2777;--glow-cyan:rgba(8,145,178,0.08);--glow-purple:rgba(79,70,229,0.08);--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--text-dark:#0f172a;--success:#059669;--success-glow:rgba(5,150,105,0.08);--warning:#d97706;--danger:#dc2626;--danger-glow:rgba(220,38,38,0.08);--font-title:"Outfit",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--shadow-main:0 10px 30px rgba(15,23,42,0.06);--shadow-cyan-glow:0 0 15px rgba(8,145,178,0.25);--shadow-purple-glow:0 0 15px rgba(79,70,229,0.25);--transition-smooth:all 0.3s cubic-bezier(0.4,0,0.2,1);--transition-fast:all 0.15s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-dark);background-image:radial-gradient(at 0 0,rgba(79,70,229,.06) 0,transparent 50%),radial-gradient(at 100% 0,rgba(8,145,178,.06) 0,transparent 50%),radial-gradient(at 50% 100%,rgba(219,39,119,.04) 0,transparent 50%);background-attachment:fixed;min-height:100vh;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body,h1,h2,h3,h4,h5,h6{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{font-family:var(--font-title);font-weight:700;letter-spacing:-.02em}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;color:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-deep)}::-webkit-scrollbar-thumb{background:rgba(0,0,0,.1);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.2)}.glass-panel{background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-glass);border-radius:var(--radius-md);box-shadow:var(--shadow-main)}.glass-panel-heavy{background:var(--bg-glass-heavy);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-glass-bright);border-radius:var(--radius-md);box-shadow:var(--shadow-main)}.glass-card-interactive{background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-glass);border-radius:var(--radius-md);box-shadow:var(--shadow-main);transition:var(--transition-smooth);cursor:pointer}.glass-card-interactive:hover{transform:translateY(-5px);border-color:var(--primary-cyan);box-shadow:0 15px 35px rgba(15,23,42,.08),var(--shadow-cyan-glow)}.gradient-text{background:linear-gradient(135deg,var(--primary-cyan) 0,var(--primary-purple) 60%,var(--primary-pink) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.text-cyan{color:var(--primary-cyan)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-family:var(--font-title);cursor:pointer;transition:var(--transition-smooth);border:none;font-size:.95rem;outline:none}.btn-primary{background:linear-gradient(135deg,var(--primary-cyan) 0,var(--primary-purple) 100%);color:#ffffff;box-shadow:0 4px 15px rgba(79,70,229,.2)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(79,70,229,.35),var(--shadow-cyan-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#ffffff;color:var(--text-secondary);border:1px solid rgba(0,0,0,.08);box-shadow:0 2px 4px rgba(0,0,0,.02)}.btn-secondary:hover{background:var(--bg-deep);border-color:var(--primary-cyan);color:var(--text-primary)}.btn-danger{background:var(--danger);color:#ffffff;box-shadow:0 4px 15px rgba(220,38,38,.2)}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(220,38,38,.3)}.btn-success{background:var(--success);color:#ffffff;box-shadow:0 4px 15px rgba(5,150,105,.2)}.btn-success:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(5,150,105,.3)}.btn-sm{padding:6px 12px;font-size:.85rem;border-radius:6px}.btn-disabled{background:rgba(0,0,0,.03)!important;color:var(--text-muted)!important;border:1px solid rgba(0,0,0,.05)!important;box-shadow:none!important;transform:none!important;cursor:not-allowed}.form-group{margin-bottom:20px;display:flex;flex-direction:column;gap:8px}.form-label{font-size:.82rem;font-weight:600;color:var(--text-secondary);font-family:var(--font-title);letter-spacing:.03em;text-transform:uppercase}.form-input{background:#ffffff;border:1px solid rgba(0,0,0,.08);border-radius:var(--radius-sm);padding:12px 16px;color:var(--text-primary);font-size:.95rem;transition:var(--transition-fast);outline:none;width:100%}.form-input:focus{border-color:var(--primary-cyan);box-shadow:0 0 0 3px var(--glow-cyan);background:#ffffff}.form-input::placeholder{color:var(--text-muted)}.form-select{background:#ffffff;border:1px solid rgba(0,0,0,.08);border-radius:var(--radius-sm);padding:12px 16px;color:var(--text-primary);font-size:.95rem;transition:var(--transition-fast);outline:none;width:100%;cursor:pointer}.form-select:focus{border-color:var(--primary-cyan);box-shadow:0 0 0 3px var(--glow-cyan)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-cyan{background:var(--glow-cyan);color:var(--primary-cyan);border:1px solid rgba(8,145,178,.2)}.badge-purple{background:var(--glow-purple);color:var(--primary-purple);border:1px solid rgba(79,70,229,.2)}.badge-success{background:var(--success-glow);color:var(--success);border:1px solid rgba(5,150,105,.2)}.badge-danger{background:var(--danger-glow);color:var(--danger);border:1px solid rgba(220,38,38,.2)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease forwards}@keyframes pulse-glow{0%,to{box-shadow:0 0 10px rgba(8,145,178,.1)}50%{box-shadow:0 0 20px rgba(8,145,178,.3)}}.pulse-glow-cyan{animation:pulse-glow 2s ease-in-out infinite}.app-container{display:flex;min-height:100vh;flex-direction:row}.main-content{flex:1 1;padding:40px;max-width:1250px;width:100%;margin:0 auto 0 260px;box-sizing:border-box;transition:var(--transition-smooth)}body.course-fullscreen-active .header-sidebar{display:none!important}body.course-fullscreen-active .main-content{margin-left:0!important;max-width:100%!important;padding:20px!important}@media (max-width:900px){.app-container{flex-direction:column}.main-content{margin-left:0;padding:24px 16px;margin-top:70px}}@media print{body *{visibility:hidden}.printable-certificate-container,.printable-certificate-container *{visibility:visible}.printable-certificate-container{position:absolute;left:0;top:0;width:100vw;height:100vh;margin:0;padding:20px;box-shadow:none;border:none}@page{size:landscape;margin:0}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.spinner{width:20px;height:20px;border-radius:50%;border:2px solid rgba(0,0,0,.1);border-top-color:currentcolor}.spinner,.spinner-small{display:inline-block;animation:spin .8s linear infinite}.spinner-small{width:14px;height:14px;border-radius:50%;border:2.5px solid rgba(255,255,255,.35);border-top-color:currentcolor}.progress-bar-container{width:100%;height:6px;background-color:var(--bg-deep);border-radius:3px;overflow:hidden;position:relative;border:1px solid var(--border-glass)}.progress-bar-indicator{position:absolute;height:100%;background:linear-gradient(90deg,var(--primary-cyan) 0,var(--primary-purple) 100%);border-radius:3px;animation:indeterminate-loading 1.5s linear infinite}@keyframes indeterminate-loading{0%{left:-35%;width:35%}50%{left:20%;width:80%}to{left:100%;width:35%}}