.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-weight:var(--font-weight-medium);border-radius:4px;transition:background-color .2s ease,color .2s ease,opacity .2s ease;cursor:pointer;will-change:auto;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;box-sizing:border-box;background:#2563eb0d;color:var(--text-primary);border:none;padding:var(--spacing-sm) var(--spacing-md);outline:none;position:relative;min-height:44px;min-width:44px;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.btn:hover:not(:disabled){background:#2563eb26}.btn:active:not(:disabled),.btn.btn-active:not(:disabled){background:#2563eb;color:#fff;padding:var(--spacing-sm) var(--spacing-md);border:none;outline:none;box-sizing:border-box}.btn:focus-visible{outline:none;box-shadow:inset 0 0 0 2px #2563eb4d;box-sizing:border-box}.btn:active:focus-visible{outline:none;box-shadow:inset 0 0 0 2px #2563eb4d;box-sizing:border-box}.btn:disabled{opacity:.6;cursor:not-allowed;background:#2563eb08}.btn-sm{padding:.375rem .75rem;font-size:var(--font-size-sm);gap:.375rem}.btn-sm:active:not(:disabled),.btn-sm.btn-active:not(:disabled){padding:.375rem .75rem;border:none;outline:none;box-sizing:border-box;width:auto;min-width:44px;max-width:100%}.btn-md{padding:.5rem 1rem;font-size:var(--font-size-base)}.btn-md:active:not(:disabled),.btn-md.btn-active:not(:disabled){padding:.5rem 1rem;border:none;outline:none;box-sizing:border-box}.btn-lg{padding:.75rem 1.5rem;font-size:var(--font-size-lg)}.btn-lg:active:not(:disabled),.btn-lg.btn-active:not(:disabled){padding:.75rem 1.5rem;border:none;outline:none;box-sizing:border-box}.btn-primary{background:var(--primary-color);color:#fff;box-shadow:0 2px 4px #2563eb26}.btn-primary:hover:not(:disabled){background:#1d4ed8;box-shadow:0 4px 8px #2563eb33}.btn-primary:active:not(:disabled){background:#2563eb;color:#fff;box-shadow:0 2px 4px #2563eb26}.btn-primary.btn-active{background:#2563eb;color:#fff}.btn-primary.btn-active:hover:not(:disabled){background:#2563eb;color:#fff}.btn-secondary{background:#2563eb0d;color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:#2563eb26}.btn-secondary:active:not(:disabled){background:#2563eb;color:#fff}.btn-success{background:#2563eb0d;color:var(--text-primary)}.btn-success:hover:not(:disabled){background:#2563eb26}.btn-success:active:not(:disabled){background:#2563eb;color:#fff}.btn-error{background:#2563eb0d;color:var(--text-primary)}.btn-error:hover:not(:disabled){background:#2563eb26}.btn-error:active:not(:disabled){background:#2563eb;color:#fff}.btn-warning{background:#2563eb0d;color:var(--text-primary)}.btn-warning:hover:not(:disabled){background:#2563eb26}.btn-warning:active:not(:disabled){background:#2563eb;color:#fff}.btn-outline{background:#2563eb0d;color:var(--text-primary)}.btn-outline:hover:not(:disabled){background:#2563eb26}.btn-outline:active:not(:disabled){background:#2563eb;color:#fff}.btn-ghost{background:#2563eb0d;color:var(--text-primary)}.btn-ghost:hover:not(:disabled){background:#2563eb26}.btn-ghost:active:not(:disabled){background:#2563eb;color:#fff}.btn-danger{background:#2563eb0d;color:var(--text-primary)}.btn-danger:hover:not(:disabled){background:#2563eb26}.btn-danger:active:not(:disabled){background:#2563eb;color:#fff}.btn-full-width{width:100%}.btn-loading{cursor:wait;position:relative}.btn-spinner{width:1em;height:1em;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.btn-content-loading{opacity:0}.btn-icon{padding:0;width:44px;height:44px;border-radius:50%}.btn-icon-sm{width:2rem;height:2rem;min-width:2rem;min-height:2rem}.btn-icon-lg{width:3.5rem;height:3.5rem;min-width:3.5rem;min-height:3.5rem}.btn-group{display:inline-flex;gap:0}.btn-group .btn{border-radius:0}.btn-group .btn:first-child{border-top-left-radius:var(--border-radius-md);border-bottom-left-radius:var(--border-radius-md)}.btn-group .btn:last-child{border-top-right-radius:var(--border-radius-md);border-bottom-right-radius:var(--border-radius-md)}.btn-group .btn:not(:last-child){border-right:1px solid rgba(255,255,255,.2)}@media (max-width: 768px){.btn{font-size:var(--font-size-sm);white-space:normal;word-break:break-word}.btn-lg{padding:.625rem 1.25rem;font-size:var(--font-size-base)}}@media (max-width: 480px){.btn{font-size:var(--font-size-xs);padding:.5rem .75rem;white-space:normal;word-break:break-word;-webkit-hyphens:auto;hyphens:auto;overflow:hidden;text-overflow:ellipsis}.btn:active:not(:disabled),.btn.btn-active:not(:disabled){padding:.5rem .75rem}.btn-sm{padding:.375rem .5rem}.btn-sm:active:not(:disabled),.btn-sm.btn-active:not(:disabled){padding:.375rem .5rem}.btn-md{padding:.5rem .75rem}.btn-md:active:not(:disabled),.btn-md.btn-active:not(:disabled){padding:.5rem .75rem}.btn-lg{padding:.625rem 1rem}.btn-lg:active:not(:disabled),.btn-lg.btn-active:not(:disabled){padding:.625rem 1rem}}@media (max-width: 375px){.btn{padding:.5rem .625rem;font-size:.75rem}.btn:active:not(:disabled),.btn.btn-active:not(:disabled){padding:.5rem .625rem}.btn-sm{padding:.375rem .5rem}.btn-sm:active:not(:disabled),.btn-sm.btn-active:not(:disabled){padding:.375rem .5rem}}@media (max-width: 320px){.btn{padding:.5rem;font-size:.7rem}.btn:active:not(:disabled),.btn.btn-active:not(:disabled){padding:.5rem}.btn-sm{padding:.3rem .4rem;font-size:.65rem}.btn-sm:active:not(:disabled),.btn-sm.btn-active:not(:disabled){padding:.3rem .4rem}}.header{background:linear-gradient(180deg,var(--bg-primary) 0%,rgba(249,250,251,.95) 100%);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--shadow-md);position:fixed;width:100%;top:0;z-index:var(--z-sticky);height:var(--header-height);border-bottom:1px solid var(--border-color-light);transition:all var(--transition-base);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-lg)}.header-scrolled{box-shadow:var(--shadow-lg);background:var(--bg-primary)}.header-left{flex:1;display:flex;justify-content:flex-start}.header-center{flex:1;display:flex;justify-content:center}.header-right{flex:1;display:flex;justify-content:flex-end;gap:var(--spacing-md);align-items:center}.header-content{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 var(--spacing-lg);max-width:var(--content-max-width);margin:0 auto}.header-toggle-btn{background:transparent;border:none;font-size:1.5rem;cursor:pointer;padding:.5rem;color:var(--text-primary);transition:color var(--transition-fast);display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:var(--border-radius-md)}.header-toggle-btn:hover{color:var(--color-primary);background-color:var(--bg-hover)}.header-logo{display:flex;align-items:center;justify-content:center;text-decoration:none;color:inherit;transition:all 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var(--transition-fast);position:relative}.header-nav-item:hover{color:var(--color-primary);background-color:var(--bg-hover)}.header-nav-item.active{color:var(--color-primary);background-color:#6366f11a}.header-nav-item.active:before{content:"";position:absolute;bottom:0;left:var(--spacing-md);right:var(--spacing-md);height:2px;background:var(--color-primary);border-radius:var(--border-radius-full);pointer-events:none}.header-actions{display:flex;align-items:center;gap:var(--spacing-md)}.header-user{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--border-radius-lg);font-size:var(--font-size-sm);color:var(--text-secondary);background:var(--bg-secondary);transition:all var(--transition-fast);cursor:pointer;border:1px solid transparent}.header-user:hover{background:var(--bg-hover);border-color:var(--border-color);box-shadow:var(--shadow-sm)}.header-user-avatar{width:32px;height:32px;border-radius:var(--border-radius-full);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);display:flex;align-items:center;justify-content:center;color:var(--text-inverse);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);box-shadow:var(--shadow-sm)}.header-user-info{display:flex;flex-direction:column;align-items:flex-start}.header-user-name{font-weight:var(--font-weight-medium);color:var(--text-primary);line-height:1.2;font-size:var(--font-size-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}.header-logout-btn{background:transparent;border:none;cursor:pointer;color:#6b7280;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;width:32px;min-width:32px;height:44px;min-height:44px;border-radius:var(--border-radius-md);padding:0}.header-logout-icon{width:24px;height:24px;transition:all var(--transition-fast)}.header-logout-btn:hover{color:#4b5563;background-color:var(--bg-hover)}.header-user-role{font-size:var(--font-size-xs);color:var(--text-tertiary);line-height:1.2}.header-divider{width:1px;height:24px;background:var(--border-color)}.header-menu-toggle{display:none;width:var(--touch-target-min);height:var(--touch-target-min);border:none;background:none;cursor:pointer;color:var(--text-primary);padding:var(--spacing-xs);border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.header-menu-toggle:hover{background-color:var(--bg-hover)}.header-notification-badge{position:relative}.header-notification-badge:after{content:attr(data-count);position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 4px;background:linear-gradient(135deg,var(--color-error) 0%,var(--color-error-dark) 100%);color:var(--text-inverse);border-radius:var(--border-radius-full);font-size:10px;font-weight:var(--font-weight-bold);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #ef44444d;animation:pulse 2s infinite;pointer-events:none}@media (max-width: 768px){.header{position:fixed;width:100%;z-index:var(--z-fixed);padding:0 var(--spacing-md)}.header-content{padding:0 var(--spacing-md);max-width:100%;width:100%}.header-logo{font-size:var(--font-size-lg)}.header-user-name{display:none}.header-brand-icon{width:28px;height:28px}.header-nav{display:flex;gap:var(--spacing-xs);font-size:var(--font-size-sm)}.header-user{font-size:var(--font-size-xs);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:var(--spacing-xs)}.header-menu-toggle{display:flex;align-items:center;justify-content:center}.header-user-info,.header-divider{display:none}}@media (max-width: 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100%);pointer-events:none}.notification>*{position:relative;z-index:1}.notification-success{border-left-color:#2563eb;color:var(--color-success)}.notification-error{border-left-color:#600;color:var(--color-error)}.notification-warning{border-left-color:var(--color-warning);color:var(--color-warning)}.notification-warning:after{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--color-warning-light) 0%,var(--color-warning-dark) 100%);animation:shimmer 2s infinite}.notification-info{border-left-color:var(--color-info);color:var(--color-info)}.notification-info:after{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--color-info-light) 0%,var(--color-info-dark) 100%);animation:shimmer 2s infinite}.notification-content{flex:1;display:flex;flex-direction:column;gap:var(--spacing-xs)}.notification-title{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0}.notification-message{font-size:var(--font-size-sm);color:var(--text-secondary);line-height:var(--line-height-normal);margin:0}.notification-icon{width:20px;height:20px;flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:2px}.notification-close{background:none;border:none;font-size:1.25rem;line-height:1;color:var(--text-secondary);cursor:pointer;padding:0;min-width:var(--touch-target-min);min-height:var(--touch-target-min);width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-md);transition:all var(--transition-fast);flex-shrink:0}.notification-close:hover{background-color:var(--bg-hover);color:var(--text-primary)}.notification-close:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.notification-exit{animation:bounceOutRight .5s both forwards}.notification-collapsing{overflow:hidden;transition:height .3s ease-out,padding .3s ease-out,margin .3s ease-out;opacity:0}.notification-progress{position:absolute;bottom:0;left:0;height:3px;background:currentColor;opacity:.3;animation:progress linear;transform-origin:left}@keyframes bounceInRight{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0}60%{opacity:1}}@keyframes bounceOutRight{20%{opacity:1}to{opacity:0}}@keyframes shimmer{0%,to{opacity:1}50%{opacity:.6}}.notification:hover{box-shadow:var(--shadow-2xl)}@media (max-width: 768px){.notifications-container{left:var(--spacing-md);right:var(--spacing-md);top:calc(var(--header-height) + var(--spacing-md));max-width:none}.notification{min-width:auto;padding:var(--spacing-md)}.notification-title,.notification-message{font-size:var(--font-size-xs)}}@media (prefers-reduced-motion: reduce){.notification{animation:fadeIn .3s ease-in}.notification-exit{animation:fadeOut .2s ease-out forwards}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}}.spinner{display:inline-block;border-radius:50%;position:relative;animation:spin .8s linear infinite}.spinner{border:3px solid var(--color-gray-200);border-top-color:var(--color-primary);border-right-color:var(--color-primary-light);border-bottom-color:transparent}.spinner-sm{width:1rem;height:1rem;border-width:2px}.spinner-md{width:2rem;height:2rem;border-width:3px}.spinner-lg{width:3rem;height:3rem;border-width:4px}.spinner-xl{width:4rem;height:4rem;border-width:5px}.spinner-primary{border-color:var(--color-gray-200);border-top-color:var(--color-primary);border-right-color:var(--color-primary-light)}.spinner-secondary{border-color:var(--color-gray-200);border-top-color:var(--color-secondary);border-right-color:var(--color-secondary-light)}.spinner-success{border-color:var(--color-gray-200);border-top-color:var(--color-success);border-right-color:var(--color-success-light)}.spinner-error{border-color:var(--color-gray-200);border-top-color:var(--color-error);border-right-color:var(--color-error-light)}.spinner-white{border-color:#ffffff4d;border-top-color:var(--color-white);border-right-color:#fffc}.spinner-dots{width:2rem;height:2rem;position:relative;border:none;animation:none}.spinner-dots:before,.spinner-dots:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background-color:var(--color-primary);animation:dotPulse 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infinite}.spinner-container{display:flex;align-items:center;justify-content:center;min-height:100px;width:100%}.spinner-container-fullscreen{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#ffffffe6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center}.spinner-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#fffc;display:flex;align-items:center;justify-content:center;z-index:var(--z-dropdown);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.spinner-with-text{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.spinner-text{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:var(--font-weight-medium)}@keyframes dotPulse{0%,80%,to{opacity:.5}40%{opacity:1}}.spinner-shimmer{background:linear-gradient(90deg,var(--color-gray-200) 0%,var(--color-gray-100) 50%,var(--color-gray-200) 100%);background-size:200% 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var(--border-radius-md)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--bg-secondary);min-height:100vh;overflow-x:hidden;padding-top:var(--header-height)}#root{min-height:100vh;width:100%;max-width:100vw;display:flex;flex-direction:column;overflow-x:hidden}h1,h2,h3,h4,h5,h6{margin:0;font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);color:var(--text-primary);letter-spacing:-.02em}h1{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin-bottom:var(--spacing-lg);line-height:1.2}h2{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin-bottom:var(--spacing-md);line-height:1.3}h3{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-md)}h4{font-size:var(--font-size-xl);margin-bottom:var(--spacing-sm)}h5{font-size:var(--font-size-lg);margin-bottom:var(--spacing-sm)}h6{font-size:var(--font-size-base);margin-bottom:var(--spacing-xs)}p{margin:0;line-height:var(--line-height-relaxed)}a{color:var(--text-link);text-decoration:none;transition:color var(--transition-fast);position:relative}a:hover{color:var(--color-primary-dark)}a:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}ul,ol{list-style:none}img{max-width:100%;height:auto;display:block}button{font-family:inherit;font-size:inherit;line-height:inherit;cursor:pointer;border:none;background:none}button:disabled{cursor:not-allowed;opacity:.6}button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}input:focus,textarea:focus,select:focus{outline:none}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:var(--border-radius-full)}::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:var(--border-radius-full);border:2px solid var(--bg-secondary);-webkit-transition:background var(--transition-fast);transition:background var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}::-webkit-scrollbar-thumb:active{background:var(--color-gray-500)}::selection{background:var(--color-primary);color:var(--text-inverse)}::-moz-selection{background:var(--color-primary);color:var(--text-inverse)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.container{width:100%;max-width:var(--content-max-width);margin:0 auto;padding:0 var(--spacing-lg)}.container-fluid{width:100%;padding:0 var(--spacing-lg)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-gradient{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-around{justify-content:space-around}.justify-end{justify-content:flex-end}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.gap-xl{gap:var(--spacing-xl)}.m-0{margin:0}.mb-xs{margin-bottom:var(--spacing-xs)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.mt-xs{margin-top:var(--spacing-xs)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mx-auto{margin-left:auto;margin-right:auto}.p-0{padding:0}.p-sm{padding:var(--spacing-sm)}.p-md{padding:var(--spacing-md)}.p-lg{padding:var(--spacing-lg)}.p-xl{padding:var(--spacing-xl)}.hidden{display:none}.block{display:block}.inline-block{display:inline-block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size-base)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.text-3xl{font-size:var(--font-size-3xl)}.text-4xl{font-size:var(--font-size-4xl)}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.text-inverse{color:var(--text-inverse)}.font-normal{font-weight:var(--font-weight-normal)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.badge{display:inline-flex;align-items:center;justify-content:center;padding:.25rem .75rem;border-radius:var(--border-radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);line-height:1;transition:all var(--transition-fast)}.badge-student{background:linear-gradient(135deg,var(--color-info-bg) 0%,var(--color-info-light) 100%);color:var(--color-info-dark)}.badge-teacher{background:linear-gradient(135deg,var(--color-success-bg) 0%,var(--color-success-light) 100%);color:var(--color-success-dark)}.badge-admin{background:linear-gradient(135deg,var(--color-error-bg) 0%,var(--color-error-light) 100%);color:var(--color-error-dark)}.badge-success{background:linear-gradient(135deg,var(--color-success-bg) 0%,var(--color-success-light) 100%);color:var(--color-success-dark)}.badge-error{background:linear-gradient(135deg,var(--color-error-bg) 0%,var(--color-error-light) 100%);color:var(--color-error-dark)}.badge-warning{background:linear-gradient(135deg,var(--color-warning-bg) 0%,var(--color-warning-light) 100%);color:var(--color-warning-dark)}.badge-info{background:linear-gradient(135deg,var(--color-info-bg) 0%,var(--color-info-light) 100%);color:var(--color-info-dark)}@keyframes slideUp{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{opacity:0}to{opacity:1}}@keyframes spin{}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes bounce{}@keyframes shake{}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.fade-in{animation:fadeIn var(--transition-base)}.fade-out{animation:fadeOut var(--transition-base)}.slide-in{animation:slideIn var(--transition-base)}.slide-up{animation:slideUp var(--transition-base)}.slide-in-left{animation:slideInLeft var(--transition-base)}.slide-in-right{animation:slideInRight var(--transition-base)}.scale-in{animation:scaleIn var(--transition-base)}.pulse{animation:pulse 2s infinite}.bounce{animation:bounce 1s infinite}.shake{animation:shake .5s}table{border-collapse:collapse;width:100%}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-lg)}.divider{height:1px;background:var(--border-color);margin:var(--spacing-lg) 0}.divider-vertical{width:1px;height:auto;background:var(--border-color);margin:0 var(--spacing-md)}.skeleton{background:linear-gradient(90deg,var(--bg-secondary) 0%,var(--bg-tertiary) 50%,var(--bg-secondary) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--border-radius-md)}.skeleton-text{height:1em;margin-bottom:.5em}.skeleton-circle{border-radius:var(--border-radius-full)}@media (max-width: 1024px){.container{padding:0 var(--spacing-md)}.card-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}}@media (max-width: 768px){h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}.container,.container-fluid{padding:0 var(--spacing-sm);max-width:100%;width:100%}table{display:block;overflow-x:auto}.card-grid{grid-template-columns:1fr}.hide-mobile{display:none!important}.show-mobile{display:block!important}}@media (max-width: 640px){h1{font-size:2rem}h2{font-size:1.625rem}h3{font-size:1.25rem}h4{font-size:var(--font-size-lg)}}@media (max-width: 480px){h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.125rem}h4{font-size:1rem}.gap-lg{gap:var(--spacing-md)}.gap-xl{gap:var(--spacing-lg)}}@media (min-width: 769px){.hide-desktop{display:none!important}}@media print{body{background:#fff;color:#000}.no-print{display:none!important}a{text-decoration:underline}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}html{scroll-behavior:auto}}@media (prefers-contrast: high){:root{--border-color: var(--color-black);--text-secondary: var(--color-gray-800)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes fadeInUp{0%{opacity:0}to{opacity:1}}@keyframes fadeInDown{0%{opacity:0}to{opacity:1}}@keyframes fadeOutUp{0%{opacity:1}to{opacity:0}}@keyframes fadeOutDown{0%{opacity:1}to{opacity:0}}@keyframes slideIn{0%{opacity:0}to{opacity:1}}@keyframes slideOut{0%{opacity:1}to{opacity:0}}@keyframes scaleIn{0%{opacity:0}to{opacity:1}}@keyframes scaleOut{0%{opacity:1}to{opacity:0}}