@import "https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600;700;800&display=swap";:root{--primary-50:#eff6ff;--primary-100:#dbeafe;--primary-200:#bfdbfe;--primary-300:#93c5fd;--primary-400:#60a5fa;--primary-500:#3b82f6;--primary-600:#2563eb;--primary-700:#1d4ed8;--primary-800:#1e40af;--primary-900:#1e3a8a;--success-50:#ecfdf5;--success-100:#d1fae5;--success-500:#10b981;--success-600:#059669;--success-700:#047857;--warning-50:#fffbeb;--warning-100:#fef3c7;--warning-500:#f59e0b;--warning-600:#d97706;--danger-50:#fef2f2;--danger-100:#fee2e2;--danger-500:#ef4444;--danger-600:#dc2626;--danger-700:#b91c1c;--bg-main:#f0f4f8;--bg-card:#fff;--bg-subtle:#f8fafc;--bg-muted:#f1f5f9;--text-title:#0f172a;--text-body:#1e293b;--text-muted:#475569;--text-light:#64748b;--border-light:#e2e8f0;--border-medium:#cbd5e1;--border-focus:#3b82f6;--shadow-xs:0 1px 2px #0f172a0a;--shadow-sm:0 1px 3px #0f172a0f, 0 1px 2px #0f172a0a;--shadow-md:0 4px 8px #0f172a0f, 0 2px 4px #0f172a0a;--shadow-lg:0 8px 16px #0f172a12, 0 4px 6px #0f172a0a;--shadow-xl:0 16px 32px #0f172a14, 0 8px 16px #0f172a0a;--shadow-blue:0 4px 12px #2563eb33;--shadow-blue-lg:0 8px 24px #2563eb40;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:24px;--radius-full:9999px;--t-fast:.15s cubic-bezier(.4, 0, .2, 1);--t-smooth:.25s cubic-bezier(.4, 0, .2, 1);--t-slow:.35s cubic-bezier(.4, 0, .2, 1);--transition-fast:var(--t-fast);--transition-smooth:var(--t-smooth);--sp-1:.25rem;--sp-2:.5rem;--sp-3:.75rem;--sp-4:1rem;--sp-5:1.25rem;--sp-6:1.5rem;--sp-8:2rem}*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background-color:var(--bg-main);min-height:100vh;color:var(--text-body);scroll-behavior:smooth;-webkit-text-size-adjust:100%;width:100%;font-size:16px;line-height:1.6;overflow-x:hidden}[dir=rtl] body,[dir=rtl]{font-family:Cairo,system-ui,-apple-system,sans-serif}[dir=ltr] body,[dir=ltr]{font-family:Inter,system-ui,-apple-system,sans-serif}h1,h2,h3,h4,h5,h6{color:var(--text-title);font-weight:700;line-height:1.3}a{color:var(--primary-600);transition:color var(--t-fast);text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:1rem}img,svg,video,canvas{max-width:100%;height:auto}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#3b82f61a 0%,#0000 70%);border-radius:50%;width:500px;height:500px;animation:24s ease-in-out infinite ambientDrift1;position:fixed;top:-200px;right:-150px}body:after{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#6366f117 0%,#0000 70%);border-radius:50%;width:440px;height:440px;animation:30s ease-in-out infinite ambientDrift2;position:fixed;bottom:-180px;left:-120px}@keyframes ambientDrift1{0%,to{transform:translate(0)}50%{transform:translate(40px,-50px)}}@keyframes ambientDrift2{0%,to{transform:translate(0)}50%{transform:translate(-30px,40px)}}.app-container{flex-direction:column;width:100%;min-height:100vh;display:flex;overflow-x:hidden}.main-content{z-index:1;flex:1;width:100%;max-width:1200px;margin:0 auto;padding:1rem .875rem 3rem;position:relative}@media (width>=768px){.main-content{padding:2rem 2rem 4rem}}.navbar{z-index:50;-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-xs);transition:box-shadow var(--t-fast);background:#fffffff7;position:sticky;top:0}.navbar-inner{justify-content:space-between;align-items:center;gap:1rem;max-width:1200px;height:60px;margin:0 auto;padding:0 1.25rem;display:flex}.brand-logo{color:var(--primary-800);transition:color var(--t-fast);align-items:center;gap:.625rem;font-size:1.15rem;font-weight:800;text-decoration:none;display:flex}.brand-logo:hover{color:var(--primary-600)}.brand-icon{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);color:#fff;width:38px;height:38px;box-shadow:var(--shadow-blue);flex-shrink:0;justify-content:center;align-items:center;display:flex}.brand-text{flex-direction:column;min-width:0;display:flex}.brand-title{color:var(--primary-800);font-size:1.05rem;font-weight:800;line-height:1.2}.brand-subtitle{color:var(--text-muted);white-space:nowrap;font-size:.7rem;font-weight:500}.nav-actions{align-items:center;gap:.5rem;display:flex}.auth-nav-buttons{gap:.5rem;display:flex}.nav-btn-text-mobile{display:none}.user-badge-container{align-items:center;gap:.375rem;display:flex}.nav-user-badge{background:var(--primary-50);color:var(--primary-800);border:1px solid var(--primary-200);border-radius:var(--radius-full);white-space:nowrap;align-items:center;gap:.375rem;padding:.3rem .75rem;font-size:.825rem;font-weight:700;display:inline-flex}.nav-user-badge .badge-text{display:inline!important}.mobile-student-strip{background:var(--bg-subtle);border-top:1px solid var(--border-light);padding:.3rem .875rem;display:none}.mobile-strip-inner{-webkit-overflow-scrolling:touch;scrollbar-width:none;align-items:center;gap:.375rem;display:flex;overflow-x:auto}.mobile-strip-inner::-webkit-scrollbar{display:none}.mobile-grade-badge{white-space:nowrap!important;align-items:center!important;gap:.3rem!important;padding:.25rem .625rem!important;font-size:.78rem!important;font-weight:700!important;display:inline-flex!important}.mobile-section-badge{background:var(--warning-100)!important;color:#92400e!important;white-space:nowrap!important;border:1px solid #fde68a!important;padding:.2rem .5rem!important;font-size:.73rem!important}.mobile-school-badge{color:#6b21a8!important;white-space:nowrap!important;background:#f3e8ff!important;border:1px solid #e9d5ff!important;padding:.2rem .5rem!important;font-size:.73rem!important}@media (width<=768px){.desktop-user-badge{display:none!important}.mobile-student-strip{display:block!important}.navbar-inner{gap:.375rem;height:52px;padding:0 .875rem}.brand-logo{gap:.4rem}.brand-icon{width:32px;height:32px}.brand-title{white-space:normal;font-size:.875rem;line-height:1.2}.brand-subtitle{display:none}.auth-nav-buttons{display:none!important}.nav-actions{flex-shrink:0;gap:.3rem}.nav-actions .btn{flex-shrink:0;padding:.375rem .625rem;font-size:.8rem}.nav-btn-text{display:none}.nav-btn-text-mobile{display:inline}.logout-btn{color:var(--danger-600)!important;border-color:var(--danger-100)!important;background:var(--danger-50)!important;flex-shrink:0!important;padding:.375rem .5rem!important}.lang-btn{flex-shrink:0!important;padding:.375rem .5rem!important}}@media (width<=420px){.navbar-inner{padding:0 .625rem}.brand-title{font-size:.825rem}.brand-icon{width:28px;height:28px}}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--t-smooth);white-space:nowrap;-webkit-user-select:none;user-select:none;border:1px solid #0000;justify-content:center;align-items:center;gap:.4rem;padding:.625rem 1.25rem;font-weight:600;line-height:1;text-decoration:none;display:inline-flex}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.55;cursor:not-allowed;pointer-events:none}.btn:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}.btn-primary{background:linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);color:#fff;box-shadow:var(--shadow-blue)}.btn-primary:hover{background:linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);box-shadow:var(--shadow-blue-lg);transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);color:var(--primary-700);border:1.5px solid var(--primary-200)}.btn-secondary:hover{background:var(--primary-50);border-color:var(--primary-300)}.btn-outline{color:var(--text-body);border:1.5px solid var(--border-medium);background:0 0}.btn-outline:hover{background:var(--bg-muted);color:var(--text-title);border-color:var(--border-medium)}.btn-success{background:linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);color:#fff;box-shadow:0 4px 10px #10b98140}.btn-success:hover{filter:brightness(1.05)}.btn-danger{background:var(--danger-50);color:var(--danger-700);border:1px solid var(--danger-100)}.btn-danger:hover{background:var(--danger-100);border-color:var(--danger-500)}.btn-sm{border-radius:var(--radius-sm);padding:.4rem .875rem;font-size:.85rem}.btn-lg{border-radius:var(--radius-lg);padding:.875rem 1.75rem;font-size:1.075rem}.btn-icon{border-radius:var(--radius-sm);padding:.5rem}.card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--t-smooth);padding:1.5rem}.card:hover{box-shadow:var(--shadow-md)}.card-interactive{cursor:pointer}.card-interactive:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-200);transform:translateY(-2px)}.card-accent-blue{border-left:4px solid var(--primary-500);padding-left:1.25rem}[dir=ltr] .card-accent-blue{border-left:4px solid var(--primary-500);border-right:none}.section-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.section-card-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;gap:.75rem;padding:1.125rem 1.5rem;display:flex}.section-card-body{padding:1.5rem}.stat-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);transition:all var(--t-smooth);flex-direction:column;gap:.375rem;padding:1.25rem 1.5rem;display:flex}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.stat-card-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:.75rem;display:flex}.stat-card-value{color:var(--text-title);font-size:1.875rem;font-weight:800;line-height:1}.stat-card-label{color:var(--text-muted);font-size:.825rem;font-weight:500}.glass-panel{-webkit-backdrop-filter:blur(12px);background:#ffffffe6;border:1px solid #e2e8f0cc}.section-header{align-items:center;gap:.75rem;margin-bottom:1.25rem;display:flex}.section-header-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.section-title{color:var(--text-title);font-size:1.125rem;font-weight:700}.section-subtitle{color:var(--text-muted);margin-top:.125rem;font-size:.85rem;line-height:1.5}.badge{border-radius:var(--radius-full);align-items:center;gap:.3rem;padding:.2rem .625rem;font-size:.775rem;font-weight:700;line-height:1.4;display:inline-flex}.badge-primary{background:var(--primary-100);color:var(--primary-800)}.badge-success{background:var(--success-50);color:var(--success-700);border:1px solid var(--success-100)}.badge-warning{background:var(--warning-50);color:#92400e;border:1px solid var(--warning-100)}.badge-danger{background:var(--danger-50);color:var(--danger-700);border:1px solid var(--danger-100)}.badge-neutral{background:var(--bg-muted);color:var(--text-muted);border:1px solid var(--border-light)}.form-group{margin-bottom:1.25rem}.form-label{color:var(--text-title);margin-bottom:.375rem;font-size:.9rem;font-weight:600;display:block}.form-input,.form-select{border:1.5px solid var(--border-light);border-radius:var(--radius-md);background:var(--bg-card);width:100%;color:var(--text-title);transition:border-color var(--t-fast), box-shadow var(--t-fast);padding:.75rem 1rem}.form-input:focus,.form-select:focus{border-color:var(--primary-500);outline:none;box-shadow:0 0 0 3px #3b82f61f}.form-input::placeholder{color:var(--text-light)}.form-hint{color:var(--text-muted);margin-top:.25rem;font-size:.8rem}.tabs-nav{background:var(--bg-muted);border:1px solid var(--border-light);border-radius:var(--radius-lg);-webkit-overflow-scrolling:touch;scrollbar-width:none;scroll-snap-type:x mandatory;align-items:center;gap:.375rem;margin-bottom:1.75rem;padding:.375rem;display:flex;overflow-x:auto}.tabs-nav::-webkit-scrollbar{display:none}.tab-btn{color:var(--text-muted);border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;transition:all var(--t-smooth);touch-action:manipulation;scroll-snap-align:start;background:0 0;border:1px solid #0000;flex-shrink:0;justify-content:center;align-items:center;gap:.4rem;padding:.625rem 1.125rem;font-size:.9rem;font-weight:600;display:inline-flex}.tab-btn:hover{color:var(--primary-700);background:var(--bg-card);border-color:var(--border-light)}.tab-btn.active{font-weight:700;background:var(--bg-card)!important;color:var(--primary-700)!important;border-color:var(--primary-200)!important;box-shadow:var(--shadow-sm)!important}.tab-btn.active *{color:var(--primary-700)!important}.tab-btn.active svg{stroke:var(--primary-700)!important}.tab-btn .badge{border-radius:4px;padding:.1rem .4rem;font-size:.72rem}.progress-container{background:var(--bg-muted);border-radius:var(--radius-full);width:100%;height:8px;overflow:hidden}.progress-bar{background:linear-gradient(90deg, var(--primary-500) 0%, var(--primary-600) 100%);border-radius:var(--radius-full);height:100%;transition:width var(--t-slow)}.progress-bar-success{background:linear-gradient(90deg, var(--success-500) 0%, var(--success-600) 100%)}.progress-bar-warning{background:linear-gradient(90deg, var(--warning-500) 0%, var(--warning-600) 100%)}.progress-bar-danger{background:linear-gradient(90deg, var(--danger-500) 0%, var(--danger-600) 100%)}.progress-labeled{flex-direction:column;gap:.3rem;display:flex}.progress-labeled-header{color:var(--text-body);justify-content:space-between;font-size:.82rem;font-weight:600;display:flex}.quiz-option{border:2px solid var(--border-light);border-radius:var(--radius-md);background:var(--bg-card);cursor:pointer;transition:all var(--t-fast);touch-action:manipulation;-webkit-user-select:none;user-select:none;align-items:center;gap:.875rem;min-height:52px;margin-bottom:.625rem;padding:.9rem 1.125rem;display:flex}.quiz-option:hover{border-color:var(--primary-300);background:var(--primary-50)}.quiz-option.selected{border-color:var(--primary-600);background:var(--primary-50);box-shadow:0 0 0 2px #2563eb26}.quiz-option.correct{border-color:var(--success-500);background:var(--success-50)}.quiz-option.incorrect{border-color:var(--danger-500);background:var(--danger-50)}.study-box{background:var(--warning-50);border-right:4px solid var(--warning-500);border-radius:var(--radius-md);color:#92400e;margin-top:.875rem;padding:1.125rem 1.25rem}[dir=ltr] .study-box{border-right:none;border-left:4px solid var(--warning-500)}.score-ring-wrapper{flex-direction:column;justify-content:center;align-items:center;gap:.5rem;display:flex}.score-ring-label{color:var(--text-muted);text-align:center;font-size:.85rem;font-weight:600}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.45}}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,#e2e8f0 25%,#f1f5f9 50%,#e2e8f0 75%) 0 0/200% 100%;animation:1.5s ease-in-out infinite skeleton-pulse}.skeleton-text{border-radius:4px;height:1rem;margin-bottom:.5rem}.skeleton-title{border-radius:4px;height:1.5rem;margin-bottom:.75rem}.skeleton-card{border-radius:var(--radius-lg);height:120px;margin-bottom:1rem}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:3rem 1.5rem;display:flex}.empty-state-icon{border-radius:var(--radius-xl);background:var(--bg-muted);width:72px;height:72px;color:var(--text-light);justify-content:center;align-items:center;margin-bottom:.5rem;display:flex}.empty-state-title{color:var(--text-title);font-size:1.1rem;font-weight:700}.empty-state-desc{color:var(--text-muted);max-width:360px;font-size:.9rem;line-height:1.6}.ai-report-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);transition:box-shadow var(--t-smooth);margin-bottom:1rem;overflow:hidden}.ai-report-card-header{border-bottom:1px solid var(--border-light);align-items:flex-start;gap:.75rem;padding:1rem 1.25rem;display:flex}.ai-report-card-body{padding:1rem 1.25rem}.ai-report-card.correct-card{border-left:4px solid var(--success-500)}.ai-report-card.incorrect-card{border-left:4px solid var(--danger-500)}[dir=ltr] .ai-report-card.correct-card{border-left:4px solid var(--success-500);border-right:none}[dir=ltr] .ai-report-card.incorrect-card{border-left:4px solid var(--danger-500);border-right:none}.home-bg-canvas{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}@keyframes hbgFloat1{0%{transform:translate(0)scale(1)}50%{transform:translate(30px,-50px)scale(1.08)}to{transform:translate(0)scale(1)}}@keyframes hbgFloat2{0%{transform:translate(0)scale(1)}50%{transform:translate(-40px,35px)scale(1.06)}to{transform:translate(0)scale(1)}}@keyframes hbgFloat3{0%,to{opacity:.5;transform:translate(0)scale(1)}50%{opacity:.35;transform:translate(25px,-40px)scale(1.1)}}@keyframes hbgPulse{0%,to{opacity:.4;transform:scale(1)}50%{opacity:.15;transform:scale(1.3)}}@keyframes hbgDotsShift{0%,to{background-position:0 0}50%{background-position:10px 10px}}.hbg-shape{filter:blur(55px);pointer-events:none;border-radius:50%;position:absolute}.hbg-shape-1{background:radial-gradient(circle,#3b82f61a,#6366f10f 60%,#0000);width:380px;height:380px;animation:28s ease-in-out infinite hbgFloat1;top:8%;left:4%}.hbg-shape-2{background:radial-gradient(circle,#8b5cf617,#3b82f60d 60%,#0000);width:320px;height:320px;animation:34s ease-in-out infinite hbgFloat2;top:38%;right:4%}.hbg-shape-3{background:radial-gradient(circle,#22d3ee14,#3b82f60a 60%,#0000);width:260px;height:260px;animation:22s ease-in-out infinite hbgFloat3;bottom:18%;left:14%}.hbg-shape-4{background:radial-gradient(circle,#3b82f612,#0000 65%);width:200px;height:200px;animation:38s ease-in-out infinite reverse hbgFloat1;top:58%;right:18%}.hbg-shape-5{background:radial-gradient(circle,#6366f117,#0000 60%);width:150px;height:150px;animation:20s ease-in-out 4s infinite hbgFloat2;top:78%;left:48%}.hbg-ring{pointer-events:none;border:1px solid #3b82f614;border-radius:50%;animation:9s ease-in-out infinite hbgPulse;position:absolute}.hbg-ring-1{width:550px;height:550px;top:4%;right:-140px}.hbg-ring-2{width:420px;height:420px;animation-delay:4.5s;bottom:8%;left:-90px}.hbg-dots{background-image:radial-gradient(circle,#2563eb0f 1px,#0000 1px);background-size:30px 30px;animation:14s ease-in-out infinite hbgDotsShift;position:absolute;inset:0}.hero-banner{background:linear-gradient(140deg, var(--primary-900) 0%, var(--primary-700) 55%, var(--primary-500) 100%);color:#fff;border-radius:var(--radius-2xl);text-align:center;box-shadow:var(--shadow-xl);margin-bottom:2.5rem;padding:3.5rem 1.5rem;position:relative;overflow:hidden}.hero-banner:before{content:"";pointer-events:none;background:radial-gradient(at 70% 30%,#ffffff14 0%,#0000 65%);position:absolute;inset:0}.hero-title{color:#fff;margin-bottom:1rem;font-size:2rem;font-weight:800;line-height:1.25}@media (width>=768px){.hero-banner{padding:4.5rem 3rem}.hero-title{font-size:3rem}}.hero-subtitle{color:#ffffffe0;max-width:680px;margin:0 auto 2rem;font-size:1.075rem;line-height:1.75}@keyframes heroParticleLoop{0%{opacity:0;transform:translate(0)scale(0)}15%{opacity:.7;transform:translate(calc(var(--px)*.3), calc(var(--py)*.3)) scale(1)}85%{opacity:.5}to{transform:translate(var(--px), var(--py)) scale(.2);opacity:0}}.hero-particle{pointer-events:none;background:#ffffff80;border-radius:50%;animation:linear infinite heroParticleLoop;position:absolute}.hero-p1{--px:-55px;--py:-75px;width:5px;height:5px;animation-duration:8s;top:22%;left:12%}.hero-p2{--px:70px;--py:-55px;width:3px;height:3px;animation-duration:10s;animation-delay:1.5s;top:58%;left:22%}.hero-p3{--px:55px;--py:65px;width:7px;height:7px;animation-duration:12s;animation-delay:3s;top:32%;right:16%}.hero-p4{--px:-65px;--py:-45px;width:4px;height:4px;animation-duration:9s;animation-delay:2s;top:72%;right:26%}.hero-p5{--px:45px;--py:-80px;width:3px;height:3px;animation-duration:7s;animation-delay:.5s;top:48%;left:52%}.hero-p6{--px:-70px;--py:-38px;width:6px;height:6px;animation-duration:11s;animation-delay:4s;top:78%;left:68%}@keyframes heroWaveExpand{0%{opacity:.4;transform:translate(-50%,-50%)scale(0)}to{opacity:0;transform:translate(-50%,-50%)scale(3.2)}}.hero-wave-ring{pointer-events:none;border:1px solid #ffffff26;border-radius:50%;animation:6s ease-out infinite heroWaveExpand;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.hero-wr1{width:180px;height:180px;animation-delay:0s}.hero-wr2{width:180px;height:180px;animation-delay:3s}.dashboard-header{background:linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);border-radius:var(--radius-xl);color:#fff;margin-bottom:1.5rem;padding:1.5rem;position:relative;overflow:hidden}.dashboard-header:after{content:"";pointer-events:none;background:#ffffff0f;border-radius:50%;width:200px;height:200px;position:absolute;top:-60px;right:-60px}.dashboard-header-title{color:#fff;font-size:1.25rem;font-weight:800}.dashboard-header-subtitle{color:#ffffffc7;margin-top:.125rem;font-size:.875rem}.student-profile-header-card{background:linear-gradient(135deg, #fff 0%, var(--primary-50) 100%);border:1.5px solid var(--primary-200)}.concept-card{background:linear-gradient(135deg, #fff 0%, var(--primary-50) 100%);border:1.5px solid var(--primary-200);border-radius:var(--radius-lg);padding:2rem}.concept-inner{align-items:flex-start;gap:1.5rem;display:flex}.concept-icon{border-radius:var(--radius-lg);background:linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);color:#fff;width:56px;height:56px;box-shadow:var(--shadow-blue);flex-shrink:0;justify-content:center;align-items:center;display:flex}.concept-body{flex:1;min-width:0}.grid-cards{grid-template-columns:1fr;gap:1.25rem;display:grid}@media (width>=640px){.grid-cards{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.grid-cards{grid-template-columns:repeat(3,1fr)}}.metrics-grid{text-align:center;grid-template-columns:repeat(4,1fr);gap:1.25rem;display:grid}@media (width<=1024px){.metrics-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=420px){.metrics-grid{grid-template-columns:1fr;gap:.875rem}}.curriculum-grid{grid-template-columns:repeat(3,1fr);gap:1.125rem;display:grid}@media (width<=1024px){.curriculum-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.curriculum-grid{grid-template-columns:1fr;gap:.875rem}}.comparison-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem;display:grid}@media (width<=768px){.comparison-grid{grid-template-columns:1fr;gap:1rem}}.pillars-grid{grid-template-columns:repeat(4,1fr);gap:1.125rem;margin-bottom:1.5rem;display:grid}@media (width<=1100px){.pillars-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.pillars-grid{grid-template-columns:1fr;gap:.875rem}}.stat-summary-grid{grid-template-columns:repeat(4,1fr);gap:.875rem;margin-bottom:1.75rem;display:grid}@media (width<=1024px){.stat-summary-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=420px){.stat-summary-grid{grid-template-columns:1fr}}.responsive-form-grid-3{grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.25rem;display:grid}@media (width<=768px){.responsive-form-grid-3{grid-template-columns:1fr}}.responsive-form-grid-2{grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1.25rem;display:grid}@media (width<=640px){.responsive-form-grid-2{grid-template-columns:1fr}}.ambient-orb3{pointer-events:none;z-index:0;background:radial-gradient(circle,#22d3ee0f 0%,#3b82f60a 50%,#0000 70%);border-radius:50%;width:320px;height:320px;animation:30s ease-in-out infinite ambientDrift1;position:fixed;top:45%;left:50%;transform:translate(-50%,-50%)}@keyframes floatSlow{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.floating-card{animation:5s ease-in-out infinite floatSlow}.upload-zone{border:2px dashed var(--border-medium);border-radius:var(--radius-lg);text-align:center;background:var(--bg-subtle);transition:all var(--t-smooth);cursor:pointer;padding:2.5rem 1.5rem}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary-400);background:var(--primary-50)}.upload-zone-icon{border-radius:var(--radius-lg);background:var(--primary-100);width:56px;height:56px;color:var(--primary-600);justify-content:center;align-items:center;margin:0 auto 1rem;display:flex}@media (width>=769px) and (width<=1024px){.main-content{padding:1.75rem 1.5rem 3.5rem}.hero-banner{padding:3.5rem 2rem!important}.hero-title{font-size:2.25rem!important}.card{padding:1.375rem 1.25rem}.concept-card{padding:1.75rem 1.5rem}}@media (width<=768px){.form-input,.form-select,input,select,textarea{min-height:44px;font-size:16px!important}.btn{touch-action:manipulation;min-height:44px}.btn-lg{min-height:48px;padding:.75rem 1.25rem;font-size:1rem}.btn-sm{min-height:38px;padding:.375rem .75rem}.card{border-radius:var(--radius-md);padding:1.125rem 1rem}.concept-card{padding:1.125rem 1rem}.concept-inner{text-align:center;flex-direction:column;align-items:center;gap:.875rem}.concept-body{width:100%}.concept-body>div:first-child{justify-content:center}.quiz-option{gap:.7rem;min-height:52px;padding:.8rem .9rem}.hero-banner{border-radius:var(--radius-xl)!important;margin-bottom:1.5rem!important;padding:2.25rem 1rem!important}.hero-title{font-size:1.75rem!important;line-height:1.3!important}.hero-subtitle{margin-bottom:1.5rem!important;font-size:.95rem!important;line-height:1.65!important}.study-box{padding:.9rem 1rem;font-size:.875rem}.tab-btn{padding:.55rem .875rem;font-size:.85rem}.hero-actions-container{flex-direction:column!important;gap:.625rem!important;width:100%!important}.hero-actions-container .btn{width:100%!important}.student-profile-header-card{padding:1rem!important}.student-profile-header-card>div{flex-direction:column;align-items:stretch!important}.ai-score-row{flex-direction:column!important;gap:1rem!important}.ai-score-divider{display:none!important}.dashboard-header{border-radius:var(--radius-lg);padding:1.25rem}.stat-card{padding:1rem 1.125rem}}@media (width<=480px){.hero-title{font-size:1.5rem!important}.hero-subtitle{font-size:.875rem!important}.quiz-option{padding:.7rem .8rem;font-size:.9rem}.study-box{padding:.8rem}.tabs-nav{gap:.3rem;padding:.3rem}.tab-btn{padding:.5rem .75rem;font-size:.82rem}}@media (width<=380px){.main-content{padding:.75rem .5rem 2rem}.hero-title{font-size:1.35rem!important}.card,.concept-card{padding:.875rem .75rem}.navbar-inner{gap:.2rem!important;padding:0 .5rem!important}.brand-title{font-size:.8rem!important}.brand-icon{width:26px!important;height:26px!important}.tab-btn{padding:.45rem .6rem;font-size:.77rem}}@keyframes card-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.card-enter{animation:card-enter var(--t-smooth) ease-out both}.workspace-wrapper{width:100%;max-width:1400px;min-height:calc(100vh - 65px);margin:0 auto;display:flex;position:relative}.workspace-sidebar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-left:1px solid var(--border-light);background:#fffffff5;flex-direction:column;flex-shrink:0;gap:1.5rem;width:260px;height:calc(100vh - 60px);padding:1.5rem 1rem;display:flex;position:sticky;top:60px;overflow-y:auto}[dir=ltr] .workspace-sidebar{border-left:none;border-right:1px solid var(--border-light)}.workspace-content{flex:1;min-width:0;max-width:100%;padding:1.75rem 1.5rem 5rem;overflow-x:hidden}.sidebar-nav{flex-direction:column;gap:.35rem;display:flex}.sidebar-btn{border-radius:var(--radius-lg);color:var(--text-body);text-align:right;cursor:pointer;transition:all var(--t-fast);background:0 0;border:1px solid #0000;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;font-size:.9rem;font-weight:700;display:flex}[dir=ltr] .sidebar-btn{text-align:left}.sidebar-btn:hover{background:var(--primary-50);color:var(--primary-800)}.sidebar-btn.active{background:linear-gradient(135deg, var(--primary-50), #eff6ff);color:var(--primary-800);border-color:var(--primary-200);box-shadow:var(--shadow-sm)}.sidebar-badge{border-radius:var(--radius-full);margin-right:auto;padding:.15rem .45rem;font-size:.7rem}[dir=ltr] .sidebar-badge{margin-left:auto;margin-right:0}.mobile-bottom-nav{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--border-light);padding:.45rem .5rem calc(.45rem + env(safe-area-inset-bottom));z-index:9999;background:#fffffff7;justify-content:space-around;display:none;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #00000014}.mobile-nav-btn{color:var(--text-muted);border-radius:var(--radius-md);cursor:pointer;transition:all var(--t-fast);background:0 0;border:none;flex-direction:column;align-items:center;gap:.2rem;min-width:58px;padding:.35rem .5rem;font-size:.68rem;font-weight:700;display:flex}.mobile-nav-btn.active{color:var(--primary-700);background:var(--primary-50)}.card-actions-responsive{flex-wrap:wrap;justify-content:center;align-items:center;gap:.75rem;width:100%;display:flex}.quiz-nav-responsive{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;width:100%;display:flex}@media (width<=900px){.workspace-sidebar{display:none!important}.mobile-bottom-nav{display:flex!important}.workspace-content{max-width:100vw;overflow-x:hidden;padding:1rem .75rem 6.5rem!important}}@media (width<=640px){.card-actions-responsive{flex-direction:column;gap:.65rem;width:100%}.card-actions-responsive .btn{word-break:break-word;text-align:center;border-radius:var(--radius-lg);font-size:.925rem;line-height:1.35;white-space:normal!important;width:100%!important;padding:.85rem 1rem!important}.banner-action-btn,.continue-action-btn{justify-content:center!important;width:100%!important}}@media (width<=480px){.quiz-nav-responsive{flex-direction:column;gap:.65rem}.quiz-nav-responsive .btn{text-align:center;white-space:normal!important;width:100%!important}}.streak-chip{color:#b45309;border-radius:var(--radius-full);background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1px solid #fcd34d;align-items:center;gap:.4rem;padding:.35rem .85rem;font-size:.825rem;font-weight:800;display:inline-flex;box-shadow:0 2px 6px #f59e0b1f}.motivation-widget-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-bottom:1.5rem;display:grid}.goal-card{border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);background:linear-gradient(145deg,#fff,#f8fafc);flex-direction:column;gap:.65rem;padding:1.25rem;display:flex}.milestone-badge{border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-light);transition:transform var(--t-fast);align-items:center;gap:.4rem;padding:.4rem .75rem;font-size:.78rem;font-weight:700;display:inline-flex}.milestone-badge:hover{transform:translateY(-2px)}.continue-card{border:1.5px solid var(--primary-200);border-radius:var(--radius-xl);background:linear-gradient(135deg,#eff6ff 0%,#dbeafe 100%);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:1.5rem;display:flex;box-shadow:0 6px 18px #2563eb14}.stepper-nav{border:1px solid var(--border-light);border-radius:var(--radius-xl);scrollbar-width:none;background:#fff;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:.85rem 1rem;display:flex;overflow-x:auto}.stepper-nav::-webkit-scrollbar{display:none}.step-pill{border-radius:var(--radius-full);color:var(--text-muted);background:var(--bg-subtle);white-space:nowrap;transition:all var(--t-fast);align-items:center;gap:.45rem;padding:.35rem .75rem;font-size:.78rem;font-weight:800;display:flex}.step-pill.active{background:var(--primary-700);color:#fff;box-shadow:var(--shadow-blue)}.step-pill.completed{color:#15803d;background:#dcfce7}.auth-split-modal{border-radius:var(--radius-2xl);border:1px solid var(--border-light);background:#fff;grid-template-columns:1fr 1.25fr;width:100%;max-width:860px;display:grid;overflow:hidden;box-shadow:0 24px 60px -15px #0f172a40}.auth-visual-panel{background:linear-gradient(145deg, var(--primary-900) 0%, var(--primary-700) 100%);color:#fff;flex-direction:column;justify-content:space-between;padding:2.5rem 2rem;display:flex;position:relative;overflow:hidden}.auth-form-panel{max-height:85vh;padding:2.25rem 2rem;overflow-y:auto}@media (width>=641px) and (width<=1024px){.auth-split-modal{grid-template-columns:1fr 1.15fr;max-width:760px;max-height:90vh}.auth-visual-panel{padding:2rem 1.5rem;display:flex}.auth-form-panel{padding:2rem 1.5rem}}@media (width<=640px){.auth-split-modal{border-radius:var(--radius-xl);-webkit-overflow-scrolling:touch;flex-direction:column;width:100%;max-width:480px;max-height:92vh;display:flex;overflow-y:auto}.auth-visual-panel{flex-shrink:0;padding:1.5rem 1.25rem 1.25rem;display:flex!important}.auth-visual-panel h3{margin-bottom:.5rem!important;font-size:1.2rem!important;line-height:1.35!important}.auth-visual-panel p{margin-bottom:.85rem!important;font-size:.8rem!important;line-height:1.5!important}.auth-form-panel{flex:1;padding:1.5rem 1.25rem;overflow-y:visible}}.mockup-frame{border:1.5px solid var(--border-light);border-radius:var(--radius-2xl);background:#fff;overflow:hidden;box-shadow:0 20px 50px -12px #0f172a24}.mockup-header-bar{border-bottom:1px solid var(--border-light);background:#f8fafc;justify-content:space-between;align-items:center;padding:.65rem 1rem;display:flex}.mockup-dots{gap:6px;display:flex}.mockup-dot{border-radius:50%;width:10px;height:10px}.mockup-dot.red{background:#ef4444}.mockup-dot.yellow{background:#f59e0b}.mockup-dot.green{background:#10b981}@keyframes radialSegmentSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.radial-loader-wrapper{border-radius:var(--radius-2xl);text-align:center;-webkit-backdrop-filter:blur(16px);background:#0f172af5;border:1px solid #ffffff1f;flex-direction:column;justify-content:center;align-items:center;gap:1.15rem;width:90%;max-width:400px;padding:2.25rem 2rem;display:flex;box-shadow:0 25px 50px -12px #0009}.radial-loader-svg{width:76px;height:76px;animation:.9s steps(12,end) infinite radialSegmentSpin;display:block}.radial-loader-title{letter-spacing:.18em;color:#f8fafc;text-transform:uppercase;font-family:Inter,system-ui,-apple-system,sans-serif;font-size:1.35rem;font-weight:900}.radial-loader-percent{color:#38bdf8;font-family:Inter,monospace;font-size:2.25rem;font-weight:900;line-height:1}.radial-loader-text{color:#94a3b8;font-size:.9rem;font-weight:600;line-height:1.4}.radial-progress-track{background:#1e293b;border:1px solid #334155;border-radius:999px;width:100%;height:8px;margin-top:.25rem;overflow:hidden}.radial-progress-fill{background:linear-gradient(90deg,#0284c7,#38bdf8);border-radius:999px;height:100%;transition:width .2s}@media print{.navbar,.home-bg-canvas,.ambient-orb3,body:before,body:after,.mobile-bottom-nav,.workspace-sidebar{display:none!important}.card{box-shadow:none!important;border:1px solid #ccc!important}}
