@import"https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800;900&display=swap";:root{--primary-color: #3b82f6;--primary-dark: #1d4ed8;--primary-glow: rgba(59, 130, 246, .5);--color-primary: #3b82f6;--color-primary-dark: #1d4ed8;--color-white: #ffffff;--accent-color: #fbbf24;--accent-glow: rgba(245, 158, 11, .5);--bg-deep: #193064;--bg-surface: rgba(25, 48, 100, .8);--bg-surface-hover: rgba(51, 65, 85, .7);--glass-border: 1px solid rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .3);--glass-blur: blur(20px);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--color-text-light: rgba(255, 255, 255, .5);--color-light-gray: rgba(255, 255, 255, .1);--color-success: #10b981;--color-error: #ef4444;--color-warning: #fbbf24;--color-info: #3b82f6;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 2.5rem;--spacing-3xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .3);--shadow-xl: 0 8px 32px rgba(0, 0, 0, .5), 0 0 30px rgba(251, 191, 36, .2), inset 0 1px 0 rgba(255, 255, 255, .1);--safe-area-inset-top: env(safe-area-inset-top);--safe-area-inset-bottom: env(safe-area-inset-bottom);--safe-area-inset-left: env(safe-area-inset-left);--safe-area-inset-right: env(safe-area-inset-right);--font-family: "Tajawal", "Cairo", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;background-color:#193064;height:100%;height:-webkit-fill-available}body{margin:0;font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#193064;color:var(--text-primary);direction:rtl;min-height:100vh;min-height:-webkit-fill-available;overflow-x:hidden;position:relative;-webkit-overflow-scrolling:touch;overscroll-behavior-y:none}#root{min-height:100vh;min-height:-webkit-fill-available;display:flex;flex-direction:column;position:relative;z-index:0;background-color:#193064}h1,h2,h3{font-weight:800;letter-spacing:-.025em}.text-gradient{color:#fbbf24;text-shadow:0 0 20px rgba(245,158,11,.6),0 2px 8px rgba(0,0,0,.4)}.glass-panel{background:var(--bg-surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);box-shadow:var(--glass-shadow);border-radius:var(--radius-xl)}button{cursor:pointer;border:none;background:none;font-family:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#fff3}.container{width:100%;max-width:1200px;margin:0 auto;padding:2rem}.flex-center{display:flex;align-items:center;justify-content:center}@supports (-webkit-touch-callout: none){*{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}input,textarea{-webkit-user-select:text;user-select:text}*{-webkit-overflow-scrolling:touch}.layout{position:relative}input,select,textarea{font-size:16px!important}}@media(hover:none)and (pointer:coarse){button,.button,.btn,a{min-height:44px;min-width:44px}*:hover{transition:none}}.loading-spinner{animation:spin 1s linear infinite}@keyframes slideInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes questionSlideIn{0%{opacity:0;transform:translate(50px) scale(.95)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes titleGlow{0%{text-shadow:0 0 20px rgba(251,191,36,.5),0 2px 10px rgba(0,0,0,.3)}to{text-shadow:0 0 30px rgba(251,191,36,.8),0 2px 15px rgba(0,0,0,.4),0 0 40px rgba(251,191,36,.3)}}@keyframes shine{0%{left:-100%}to{left:100%}}@keyframes borderFlow{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes questionIconBounce{0%,to{transform:translateY(-50%) rotate(0)}25%{transform:translateY(-50%) rotate(-10deg)}75%{transform:translateY(-50%) rotate(10deg)}}@keyframes progressShine{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes progressFlow{0%{left:-100%}to{left:100%}}@keyframes backgroundShift{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.card-enhanced{background:var(--bg-surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:2px solid rgba(251,191,36,.3);border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--shadow-lg),0 0 30px #fbbf2433,0 0 60px #3b82f61a,inset 0 1px #ffffff1a;position:relative;overflow:hidden}.card-enhanced:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#3b82f6,#60a5fa,#fbbf24,#f59e0b);background-size:200% 100%;animation:borderFlow 3s infinite}.border-glow{border:2px solid rgba(251,191,36,.3);box-shadow:0 0 20px #fbbf244d,inset 0 0 20px #fbbf241a}.shadow-enhanced{box-shadow:0 8px 32px #00000080,0 0 30px #fbbf2433,0 0 60px #3b82f61a,inset 0 1px #ffffff1a}.text-enhanced{text-shadow:0 2px 4px rgba(0,0,0,.3),0 0 10px rgba(251,191,36,.2)}.heading-shadow{text-shadow:0 0 20px rgba(251,191,36,.6),0 2px 8px rgba(0,0,0,.4)}.hover-lift{transition:all .3s ease}.hover-lift:hover{transform:translateY(-5px);box-shadow:0 12px 40px #0006,0 0 30px #fbbf2433}.ripple-effect{position:relative;overflow:hidden}.ripple-effect:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s ease,height .6s ease}.ripple-effect:hover:before{width:400px;height:400px}.glass-effect{background:#193064cc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #0000004d,inset 0 1px #ffffff1a}.success{color:#10b981}.bg-success{background:#10b98133}.error{color:#ef4444}.bg-error{background:#ef444433}.warning{color:#fbbf24}.bg-warning{background:#fbbf2433}.info{color:#3b82f6}.bg-info{background:#3b82f633}.animated-background{position:fixed;inset:0;background:radial-gradient(circle at 20% 50%,rgba(251,191,36,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(59,130,246,.1) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(139,92,246,.1) 0%,transparent 50%);pointer-events:none;z-index:0;animation:backgroundShift 20s ease-in-out infinite}.geometric-pattern-dots{background-image:radial-gradient(circle,rgba(251,191,36,.1) 1px,transparent 1px);background-size:30px 30px;background-position:0 0,15px 15px;opacity:.3}.glass-background{background:#193064cc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid 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cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.radio-option:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(251,191,36,.1),transparent);transition:left .5s ease}.radio-option:hover{background:#ffffff14;border-color:#fbbf2466;transform:translate(5px) scale(1.02);box-shadow:0 4px 15px #fbbf2433,0 0 20px #3b82f61a}.radio-option:hover:before{left:100%}.radio-option:has(input[type=radio]:checked){background:#fbbf2426;border-color:#fbbf2499;box-shadow:0 0 20px #fbbf244d,inset 0 0 20px #fbbf241a}.input-field{width:100%;padding:1rem 1.5rem;background:#0003;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);color:var(--text-primary);font-size:1rem;transition:all .3s ease}.input-field:focus{outline:none;border-color:#fbbf2499;background-color:#0006;box-shadow:0 0 0 4px #fbbf2433,0 0 20px #fbbf241a,inset 0 0 20px #fbbf240d;transform:scale(1.01)}.textarea{width:100%;padding:1.25rem 1.5rem;background:#0000004d;border:2px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);color:var(--text-primary);font-size:1rem;resize:vertical;min-height:150px;transition:all .3s ease}.textarea:focus{border-color:#fbbf2499;background-color:#0006;box-shadow:0 0 0 4px #fbbf2433,0 0 20px #fbbf241a;transform:scale(1.01)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.layout{min-height:100vh;min-height:-webkit-fill-available;display:flex;flex-direction:column;background-color:#193064;position:relative;overflow-x:hidden}.layout-logo-container{display:flex;align-items:center;justify-content:center;margin-bottom:2rem;padding-top:max(.5rem,env(safe-area-inset-top));position:relative;z-index:2}.layout-logo-wrapper{display:flex;align-items:center;justify-content:center;position:relative;width:120px;height:120px;transition:transform .4s cubic-bezier(.4,0,.2,1);cursor:pointer}.layout-logo-wrapper:hover{transform:scale(1.1) rotate(5deg)}.layout-logo-image{width:100%;height:100%;object-fit:contain;display:block;position:relative;z-index:2;filter:drop-shadow(0 8px 24px rgba(0,0,0,.4));transition:filter .4s ease}.layout-logo-wrapper:hover .layout-logo-image{filter:drop-shadow(0 12px 32px rgba(251,191,36,.5))}.layout-logo-glow{position:absolute;inset:-20px;border-radius:50%;background:radial-gradient(circle,rgba(251,191,36,.4) 0%,rgba(251,191,36,.2) 40%,transparent 70%);z-index:1;animation:layoutLogoGlow 3s ease-in-out infinite alternate;pointer-events:none}@keyframes layoutLogoGlow{0%{opacity:.6;transform:scale(1)}to{opacity:1;transform:scale(1.1)}}.layout-content{flex:1;display:flex;flex-direction:column}.layout-main{flex:1;display:flex;flex-direction:column;padding:var(--spacing-md);padding-top:max(var(--spacing-md),env(safe-area-inset-top));padding-bottom:max(var(--spacing-md),env(safe-area-inset-bottom));padding-right:max(var(--spacing-md),env(safe-area-inset-right));padding-left:max(var(--spacing-md),env(safe-area-inset-left));max-width:600px;width:100%;margin:0 auto;position:relative;z-index:1}.layout-footer{background:#1930644d;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid rgba(251,191,36,.2);padding:1.5rem var(--spacing-md);padding-bottom:max(1.5rem,env(safe-area-inset-bottom));text-align:center;position:relative;z-index:1;box-shadow:0 -4px 20px #0003}.footer-content{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}.footer-icon{font-size:2rem;filter:drop-shadow(0 2px 8px rgba(251,191,36,.4));animation:footerIconFloat 3s ease-in-out infinite}@keyframes footerIconFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.footer-text-wrapper{display:flex;flex-direction:column;align-items:center;gap:.25rem}.footer-label{font-size:1rem;color:#ffffffb3;font-weight:500;letter-spacing:.5px}.footer-name{font-size:1.4rem;font-weight:700;color:#fbbf24;text-shadow:0 0 15px rgba(245,158,11,.6),0 2px 8px rgba(0,0,0,.4);letter-spacing:.5px}@media(max-width:480px){.layout-logo-container{margin-bottom:1.5rem;padding-top:max(.25rem,env(safe-area-inset-top))}.layout-logo-wrapper{width:100px;height:100px}.layout-main{padding:1rem;padding-top:max(1rem,env(safe-area-inset-top));padding-bottom:max(1rem,env(safe-area-inset-bottom))}.layout-footer{padding:1.25rem 1rem;padding-bottom:max(1.25rem,env(safe-area-inset-bottom))}.footer-content{gap:.75rem}.footer-icon{font-size:1.75rem}.footer-label{font-size:.9rem}.footer-name{font-size:1.2rem}}@supports (-webkit-touch-callout: none){.layout,.layout-main{min-height:-webkit-fill-available}}.btn,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:var(--spacing-sm) var(--spacing-lg);font-size:1.125rem;font-weight:600;border-radius:var(--radius-md);transition:all .2s ease;cursor:pointer;border:none;text-decoration:none;user-select:none;-webkit-user-select:none;touch-action:manipulation}.btn-primary,.button.primary,.button-primary{background:linear-gradient(135deg,#3b82f6,#fbbf24);border:none;color:#fff;padding:1rem 2rem;border-radius:var(--radius-lg);font-weight:700;box-shadow:0 8px 25px #fbbf2466,0 0 40px #3b82f64d,inset 0 1px #fff3;transition:all .3s cubic-bezier(.4,0,.2,1)}.btn-primary:hover:not(:disabled),.button.primary:hover:not(:disabled),.button-primary:hover:not(:disabled){transform:translateY(-3px) scale(1.05);box-shadow:0 12px 35px #fbbf2480,0 0 50px #3b82f666}.btn-primary:active:not(:disabled),.button.primary:active:not(:disabled),.button-primary:active:not(:disabled){transform:translateY(-1px) scale(1.02)}.btn-secondary,.button.secondary,.button-secondary{background:#3b82f633;border:2px solid rgba(59,130,246,.3);color:#60a5fa;padding:1rem 2rem;border-radius:var(--radius-lg);transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.btn-secondary:hover:not(:disabled),.button.secondary:hover:not(:disabled),.button-secondary:hover:not(:disabled){background:#3b82f64d;border-color:#fbbf2499;color:#fbbf24;transform:translateY(-2px) scale(1.05);box-shadow:0 8px 25px #fbbf244d,0 0 30px #3b82f633}.btn:disabled,.button:disabled{opacity:.5;cursor:not-allowed}.btn-full,.button.full-width{width:100%}.button,.btn{position:relative;overflow:hidden}.button:before,.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s ease,height .6s ease}.button:hover:before,.btn:hover:before{width:400px;height:400px}@media(hover:none){.btn:active:not(:disabled),.button:active:not(:disabled){opacity:.8;transform:scale(.98)}}@media(max-width:480px){.btn,.button{min-height:48px;font-size:1rem;padding:.875rem 1.5rem}}@supports (-webkit-touch-callout: none){.btn,.button{-webkit-tap-highlight-color:rgba(245,158,11,.2)}}.welcome-screen{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;min-height:-webkit-fill-available;text-align:center;position:relative;z-index:1;width:100%;padding:2rem 1rem;overflow-x:hidden;overflow-y:auto}.animated-background{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}.bg-particle{position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(251,191,36,.15) 0%,transparent 70%);animation:particleFloat 20s ease-in-out infinite;filter:blur(40px)}.bg-particle:nth-child(1){top:10%;left:10%;animation-delay:0s}.bg-particle:nth-child(2){top:60%;right:15%;animation-delay:5s;width:250px;height:250px}.bg-particle:nth-child(3){bottom:20%;left:20%;animation-delay:10s;width:200px;height:200px}.bg-particle:nth-child(4){top:30%;right:30%;animation-delay:7s;width:180px;height:180px}.bg-particle:nth-child(5){bottom:40%;right:10%;animation-delay:12s;width:220px;height:220px}@keyframes particleFloat{0%,to{transform:translate(0) scale(1);opacity:.3}25%{transform:translate(30px,-30px) scale(1.1);opacity:.5}50%{transform:translate(-20px,20px) scale(.9);opacity:.4}75%{transform:translate(20px,30px) scale(1.05);opacity:.5}}.gradient-overlay{position:fixed;inset:0;background:radial-gradient(circle at 20% 30%,rgba(251,191,36,.08) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(251,191,36,.06) 0%,transparent 50%);z-index:0;pointer-events:none}.loading-overlay{position:fixed;inset:0;background-color:#193064;display:flex;align-items:center;justify-content:center;z-index:1000;transition:opacity .5s ease,visibility .5s ease}.loading-overlay.hidden{opacity:0;visibility:hidden}.welcome-content-wrapper{position:relative;z-index:2;width:100%;max-width:500px;opacity:0;transform:translateY(20px);transition:opacity .8s ease,transform .8s ease}.welcome-content-wrapper.loaded{opacity:1;transform:translateY(0)}.welcome-content-wrapper.loaded .welcome-main-card{animation:fadeInUp .6s ease forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.welcome-main-card{background:#19306480;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:2rem;padding:2.5rem 2rem;box-shadow:0 8px 32px #0006,0 0 0 1px #fbbf2426;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;display:flex;flex-direction:column;gap:2rem}.welcome-main-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(251,191,36,.05) 0%,transparent 50%);opacity:0;transition:opacity .4s ease;pointer-events:none}.welcome-main-card:hover:before{opacity:1}.welcome-main-card:hover{transform:translateY(-4px);border-color:#fbbf244d;box-shadow:0 12px 40px #00000080,0 0 0 1px #fbbf2440,0 0 30px #fbbf2426}.welcome-logo{margin:0 auto;position:relative;width:180px;height:180px;display:flex;align-items:center;justify-content:center;transition:transform .4s cubic-bezier(.4,0,.2,1);cursor:pointer}.welcome-logo:hover{transform:scale(1.1) rotate(5deg)}.logo-image{width:100%;height:100%;object-fit:contain;display:block;position:relative;z-index:2;filter:drop-shadow(0 8px 24px rgba(0,0,0,.4));transition:filter .4s ease}.welcome-logo:hover .logo-image{filter:drop-shadow(0 12px 32px rgba(251,191,36,.5))}.logo-glow{position:absolute;inset:-20px;border-radius:50%;background:radial-gradient(circle,rgba(251,191,36,.4) 0%,rgba(251,191,36,.2) 40%,transparent 70%);z-index:1;animation:logoGlow 3s ease-in-out infinite alternate;pointer-events:none}@keyframes logoGlow{0%{opacity:.6;transform:scale(1)}to{opacity:1;transform:scale(1.1)}}.welcome-title{font-size:2rem;font-weight:700;font-family:Tajawal,Cairo,sans-serif;margin:0 0 1rem;line-height:1.3;letter-spacing:-.5px}.welcome-title-line1{color:#e2e8f0;display:block;text-shadow:0 2px 10px rgba(0,0,0,.4);animation:fadeInUp .8s ease .2s both}.welcome-title-line2{color:#fbbf24;display:block;text-shadow:0 0 25px rgba(245,158,11,.7),0 0 50px rgba(245,158,11,.4),0 4px 8px rgba(0,0,0,.5);animation:fadeInUp .8s ease .3s both}.welcome-subtitle{font-size:1.2rem;color:#cbd5e1;font-weight:500;font-family:Tajawal,Cairo,sans-serif;margin:0;letter-spacing:-.3px;text-shadow:0 2px 8px rgba(0,0,0,.3);animation:fadeInUp .8s ease .4s both}.start-dots{display:flex;gap:.75rem;justify-content:center;margin-bottom:1rem}.start-dot{width:12px;height:12px;border-radius:50%;background-color:#fbbf24;box-shadow:0 0 15px #f59e0b,0 0 30px #f59e0b99,inset 0 0 6px #ffffff80;animation:dotPulse 2s ease-in-out infinite}.start-dot:nth-child(2){animation-delay:.3s}.start-dot:nth-child(3){animation-delay:.6s}@keyframes dotPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.3);opacity:.8}}.start-button{border-radius:999px;font-size:1.1rem;font-weight:700;font-family:Tajawal,Cairo,sans-serif;padding:1.25rem 2rem;min-height:60px;position:relative;overflow:hidden;transition:all .3s 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.back-text{font-family:var(--font-family)}.subject-header{position:relative;z-index:2;margin-bottom:2rem}.subject-header-content{display:flex;align-items:center;justify-content:center;gap:2rem;flex-wrap:wrap}.subject-logo{display:flex;align-items:center;justify-content:center;position:relative;width:100px;height:100px;flex-shrink:0;transition:transform .4s cubic-bezier(.4,0,.2,1);cursor:pointer}.subject-logo:hover{transform:scale(1.1) rotate(5deg)}.subject-logo-image{width:100%;height:100%;object-fit:contain;display:block;position:relative;z-index:2;filter:drop-shadow(0 8px 24px rgba(0,0,0,.4));transition:filter .4s ease}.subject-logo:hover .subject-logo-image{filter:drop-shadow(0 12px 32px rgba(251,191,36,.5))}.subject-logo-glow{position:absolute;inset:-20px;border-radius:50%;background:radial-gradient(circle,rgba(251,191,36,.4) 0%,rgba(251,191,36,.2) 40%,transparent 70%);z-index:1;animation:subjectLogoGlow 3s ease-in-out infinite alternate;pointer-events:none}@keyframes 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#0003}.subject-card-content{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;width:100%}.subject-info{display:flex;align-items:center;gap:1rem;flex:1}.subject-icon{font-size:2rem;flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center}.subject-name{font-size:1.1rem;font-weight:700;color:#fff!important;margin:0}.subject-actions-icons{display:flex;gap:.75rem;align-items:center}.action-icon{border-radius:.5rem;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;flex-shrink:0}.download-icon{width:64px;height:64px;background:#3b82f6;color:#fff;font-size:2rem;font-weight:700}.download-icon:hover{background:#2563eb;transform:scale(1.1);box-shadow:0 4px 12px #3b82f666}.share-icon{width:56px;height:56px;background:#10b981;color:#fff;font-size:1.8rem}.share-icon:hover{background:#059669;transform:scale(1.1);box-shadow:0 4px 12px #10b98166}.subject-director{position:relative;z-index:2;text-align:center;margin-top:2rem;width:100%}.director-text{font-size:1rem;color:#fff;margin:0;font-weight:500}.empty-state{text-align:center;padding:4rem 2rem;background:#60a5fa1a;border:1px solid rgba(200,200,200,.2);border-radius:1.5rem;max-width:600px;margin:2rem auto}.empty-text{font-size:1.2rem;color:#fffc;margin:0}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;gap:1rem}.loading-spinner{width:3rem;height:3rem;border:4px solid rgba(96,165,250,.2);border-top-color:#60a5fa;border-radius:50%;animation:spin 1s linear infinite}.subject-message{position:relative;z-index:2;padding:1rem 1.5rem;border-radius:.75rem;margin-bottom:1.5rem;text-align:center;font-weight:500;max-width:800px;margin-left:auto;margin-right:auto}.subject-message.success{background:#10b98133;border:1px solid rgba(16,185,129,.4);color:#10b981}.subject-message.error{background:#ef444433;border:1px solid rgba(239,68,68,.4);color:#ef4444}@media(max-width:768px){.subject-selection{padding:1.5rem 1rem}.subject-header-content{flex-direction:column;gap:1.5rem;text-align:center}.subject-title-wrapper{text-align:center}.subject-logo{width:80px;height:80px}.subject-title{font-size:2rem}.subject-subtitle{font-size:1.1rem}.subject-card{padding:1.25rem 1.5rem}.subject-card-content{flex-wrap:wrap;gap:1rem}.subject-meta{width:100%;justify-content:space-between}.subject-icon{font-size:2rem;width:40px;height:40px}.subject-name{font-size:1.2rem}.subject-date{font-size:.9rem}.action-icon{width:32px;height:32px;font-size:1rem}}@media(max-width:480px){.subject-card{padding:1rem 1.25rem}.subject-name{font-size:1.1rem}.subject-date{font-size:.85rem}}@supports (-webkit-touch-callout: none){.subject-selection{min-height:-webkit-fill-available}}.schedule-container{background:#60a5fa26;border:1px solid rgba(200,200,200,.2);border-radius:1.5rem;padding:1.5rem;margin-bottom:1rem;display:flex;flex-direction:column;gap:1.5rem;max-width:100%}.schedule-image-wrapper{width:100%;border-radius:1rem;overflow:hidden;background:#ffffff0d;box-shadow:0 4px 15px #0003}.schedule-image{width:100%;height:auto;display:block;object-fit:contain;max-height:70vh}.schedule-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.schedule-button{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem 2rem;border-radius:.75rem;border:none;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;min-width:140px;font-family:Tajawal,Cairo,sans-serif}.download-button{background:#3b82f6;color:#fff;box-shadow:0 4px 12px #3b82f64d}.download-button:hover{background:#2563eb;transform:translateY(-2px);box-shadow:0 6px 20px #3b82f680}.download-button:active{transform:translateY(0)}.share-button{background:#10b981;color:#fff;box-shadow:0 4px 12px #10b9814d}.share-button:hover{background:#059669;transform:translateY(-2px);box-shadow:0 6px 20px #10b98180}.share-button:active{transform:translateY(0)}.schedule-button .button-icon{font-size:1.5rem}.schedule-button .button-text{font-size:1.1rem}@media(max-width:768px){.schedule-container{padding:1rem;gap:1rem}.schedule-image{max-height:60vh}.schedule-actions{flex-direction:column;width:100%}.schedule-button{width:100%;padding:.9rem 1.5rem;font-size:1rem}.schedule-button .button-icon{font-size:1.3rem}.schedule-button .button-text{font-size:1rem}}@media(max-width:480px){.schedule-image{max-height:50vh}.schedule-button{padding:.85rem 1.25rem;font-size:.95rem;min-width:auto}}.file-viewer-modal{position:fixed;inset:0;background:#000000e6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:2rem;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.file-viewer-content{background:#193064f2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(251,191,36,.3);border-radius:1.5rem;width:100%;max-width:1200px;max-height:90vh;display:flex;flex-direction:column;position:relative;box-shadow:0 20px 60px #00000080,0 0 40px #fbbf2433;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.file-viewer-close{position:absolute;top:1rem;left:1rem;width:40px;height:40px;border-radius:50%;background:#ef4444e6;border:2px solid rgba(255,255,255,.2);color:#fff;font-size:1.5rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1001;transition:all .3s ease;line-height:1}.file-viewer-close:hover{background:#ef4444;transform:scale(1.1) rotate(90deg);box-shadow:0 4px 15px #ef444480}.file-viewer-header{padding:3rem 2rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.1);text-align:center}.file-viewer-title{font-size:1.5rem;font-weight:700;color:#fbbf24;margin:0;text-shadow:0 2px 10px rgba(251,191,36,.5)}.file-viewer-body{flex:1;overflow:auto;padding:2rem;display:flex;align-items:center;justify-content:center;min-height:400px;max-height:calc(90vh - 200px)}.file-viewer-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:.5rem;box-shadow:0 8px 30px #00000080}.file-viewer-iframe{width:100%;height:100%;min-height:600px;border:none;border-radius:.5rem;background:#fff}.file-viewer-unsupported{text-align:center;padding:3rem 2rem;color:#fff}.file-viewer-unsupported p{font-size:1.2rem;margin-bottom:2rem;color:#fffc}.file-viewer-download-btn{padding:1rem 2rem;background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;border-radius:.75rem;color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #3b82f666}.file-viewer-download-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f699}.file-viewer-footer{padding:1.5rem 2rem;border-top:1px solid rgba(255,255,255,.1);display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.file-viewer-action-btn{padding:.875rem 1.75rem;border:none;border-radius:.75rem;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;font-family:Tajawal,Cairo,sans-serif}.file-viewer-action-btn.download-btn{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;box-shadow:0 4px 15px #3b82f666}.file-viewer-action-btn.download-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f699}.file-viewer-action-btn.share-btn{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 4px 15px #10b98166}.file-viewer-action-btn.share-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b98199}@media(max-width:768px){.file-viewer-modal{padding:1rem}.file-viewer-content{max-height:95vh;border-radius:1rem}.file-viewer-close{top:.5rem;left:.5rem;width:35px;height:35px;font-size:1.2rem}.file-viewer-header{padding:2.5rem 1.5rem 1rem}.file-viewer-title{font-size:1.2rem}.file-viewer-body{padding:1rem;min-height:300px;max-height:calc(95vh - 180px)}.file-viewer-iframe{min-height:400px}.file-viewer-footer{padding:1rem 1.5rem;flex-direction:column}.file-viewer-action-btn{width:100%;justify-content:center}}@media(max-width:480px){.file-viewer-body{padding:.5rem;min-height:250px}.file-viewer-iframe{min-height:300px}}.admin-upload{width:100%;max-width:900px;margin:0 auto;padding:0 1rem 3rem}.admin-header{text-align:center;margin-bottom:3rem;padding:2.5rem 0;background:var(--bg-surface);backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:1.5rem;align-items:center}.admin-header-actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;width:100%}.admin-materials-button,.admin-exit-button{width:auto;min-width:180px}.admin-title-container{display:flex;flex-direction:column;gap:.75rem}.admin-title{font-size:2.5rem;font-weight:800;color:#fbbf24;text-shadow:0 0 20px rgba(251,191,36,.6),0 2px 8px rgba(0,0,0,.4);margin:0}.admin-subtitle{font-size:1.1rem;color:var(--text-secondary);margin:0}.upload-form{background:var(--bg-surface);backdrop-filter:var(--glass-blur);border-radius:var(--radius-xl);padding:2.5rem;border:var(--glass-border);box-shadow:var(--shadow-lg)}.form-section{margin-bottom:2.5rem}.form-label{display:block;font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.grade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.grade-btn{padding:1.25rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);color:var(--text-secondary);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.grade-btn:hover:not(:disabled){background:#ffffff14;border-color:var(--primary-color);color:var(--text-primary);transform:translateY(-2px)}.grade-btn.selected{background:#3b82f633;border-color:#3b82f699;color:#60a5fa;box-shadow:0 0 20px #3b82f64d,inset 0 0 20px #3b82f61a}.grade-btn:disabled{opacity:.4;cursor:not-allowed}.subject-select,input[type=text],input[type=file],textarea,select{font-size:16px!important;-webkit-appearance:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.subject-select{width:100%;background:#0003;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);color:var(--text-primary);font-size:1.1rem;font-family:inherit;transition:all .3s ease;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23f8fafc' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 1.5rem center;padding:1.25rem 1.5rem 1.25rem 3.5rem}.subject-select option{background:#193064;color:var(--text-primary);padding:.5rem}.subject-select:focus{outline:none;border-color:#fbbf2499;background-color:#0006;box-shadow:0 0 0 4px #fbbf2433,0 0 20px #fbbf241a,inset 0 0 20px #fbbf240d;transform:scale(1.01)}.subject-select:disabled{opacity:.5;cursor:not-allowed}.file-drop-zone{border:2px dashed rgba(255,255,255,.15);border-radius:var(--radius-xl);padding:3rem;text-align:center;cursor:pointer;transition:all .3s ease;background:#ffffff03;min-height:250px;display:flex;align-items:center;justify-content:center}.file-drop-zone:hover{border-color:var(--primary-color);background:#3b82f60d}.file-drop-zone.dragging{border-color:var(--accent-color);background:#f59e0b1a;transform:scale(1.02)}.file-drop-zone.has-file{border-style:solid;border-color:var(--accent-color);background:#f59e0b0d}.review-type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.review-type-btn{padding:1.25rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);color:var(--text-secondary);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:1rem}.review-type-btn.selected{background:#2563eb33;border-color:var(--primary-color);color:var(--primary-color);box-shadow:0 0 20px #2563eb33}.file-preview{display:flex;flex-direction:column;align-items:center;gap:1.5rem;width:100%}.image-preview{width:100%;display:flex;flex-direction:column;gap:1rem;align-items:center}.preview-image{max-width:100%;max-height:300px;border-radius:var(--radius-lg);object-fit:contain;box-shadow:0 4px 20px #0003}.file-icon{font-size:3.5rem;filter:drop-shadow(0 4px 12px rgba(0,0,0,.3))}.file-info{flex:1;text-align:right}.file-name{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem}.file-size{font-size:.95rem;color:var(--text-secondary)}.upload-btn{margin-top:1rem;font-size:1.2rem!important;padding:1.5rem!important;background-color:var(--primary-color)!important;box-shadow:0 8px 20px #3b82f666,0 4px 8px #0000004d!important}.upload-btn:hover:not(:disabled){box-shadow:0 12px 30px #3b82f680!important}.recent-uploads{margin-top:4rem}.section-title{font-size:1.8rem;font-weight:700;color:var(--text-primary);margin-bottom:2rem;text-align:center;position:relative;display:inline-block;width:100%}.upload-item{background:#ffffff08;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.05)}.upload-item:hover{background:#ffffff0f;transform:translate(-8px);border-color:#ffffff1a}@media(max-width:768px){.grade-grid{grid-template-columns:repeat(2,1fr)}.upload-form{padding:1.5rem}.file-drop-zone{padding:2rem 1rem;min-height:200px}}@media(max-width:480px){.grade-grid,.review-type-grid{grid-template-columns:1fr}}.materials-management{width:100%;max-width:1000px;margin:0 auto;padding:0 1rem 2rem}.materials-title{font-size:2.5rem;font-weight:800;color:#fbbf24;text-shadow:0 0 20px rgba(251,191,36,.6),0 2px 8px rgba(0,0,0,.4);margin:0 0 1rem;text-align:center}.materials-subtitle{font-size:1.2rem;color:var(--text-secondary);margin:0 0 2rem;text-align:center}.materials-message{padding:1rem 1.5rem;border-radius:var(--radius-lg);margin-bottom:2rem;text-align:center;font-weight:500}.materials-message.success{background:#10b98133;border:1px solid rgba(16,185,129,.4);color:#10b981;box-shadow:0 4px 15px #10b98133,0 0 20px #10b9811a}.materials-message.error{background:#ef444433;border:1px solid rgba(239,68,68,.4);color:#ef4444;box-shadow:0 4px 15px #ef444433,0 0 20px #ef44441a}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:2rem}.loading-spinner{width:60px;height:60px;border:4px solid rgba(251,191,36,.2);border-top-color:#fbbf24;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:4rem 2rem}.empty-icon{font-size:4rem;margin-bottom:1rem;opacity:.5}.empty-text{font-size:1.2rem;color:var(--text-secondary)}.materials-list{display:flex;flex-direction:column;gap:1.5rem}.material-item{background:var(--bg-surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--glass-shadow);display:flex;flex-direction:column;gap:1.5rem;transition:all .3s ease}.material-item:hover{transform:translateY(-2px);box-shadow:0 12px 40px #0006,0 0 0 1px #fbbf2433}.material-info{display:flex;gap:1.5rem;align-items:flex-start}.material-icon{font-size:3rem;flex-shrink:0}.material-details{flex:1}.material-subject{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0 0 .5rem}.material-meta{font-size:1rem;color:var(--text-secondary);margin:0 0 .5rem}.material-file{font-size:.95rem;color:var(--text-secondary);margin:0 0 .5rem;opacity:.8}.material-date{font-size:.9rem;color:var(--text-secondary);margin:0;opacity:.7}.material-actions{display:flex;gap:1rem;flex-wrap:wrap}.material-view-btn,.material-edit-btn,.material-delete-btn{flex:1;min-width:120px}.material-delete-btn{background:#ef444433;border-color:#ef444466;color:#ef4444}.material-delete-btn:hover{background:#ef44444d;border-color:#ef444499}.edit-modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.edit-modal{background:var(--bg-surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-xl);padding:2.5rem;max-width:500px;width:100%;box-shadow:0 20px 60px #00000080,0 0 0 1px #fbbf2433;max-height:90vh;overflow-y:auto}.edit-modal-title{font-size:2rem;font-weight:700;color:#fbbf24;margin:0 0 2rem;text-align:center}.edit-form{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-size:1rem;font-weight:600;color:var(--text-primary)}.form-select{width:100%;background:#0003;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:all .3s ease;cursor:pointer;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23f8fafc' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 1.5rem center;padding:1rem 1.5rem 1rem 3.5rem}.form-select:focus{outline:none;border-color:var(--primary-color);background-color:#0000004d;box-shadow:0 0 0 3px #3b82f633}.form-select option{background:#193064;color:var(--text-primary)}.edit-modal-actions{display:flex;flex-direction:column;gap:1rem}@media(max-width:768px){.materials-title{font-size:2rem}.material-item{padding:1.5rem}.material-info{flex-direction:column;gap:1rem}.material-actions{flex-direction:column}.material-view-btn,.material-edit-btn,.material-delete-btn{width:100%}.edit-modal{padding:2rem 1.5rem}}