:root{--color-primary: #3b82f6;--color-primary-dark: #2563eb;--color-secondary: #6b7280;--color-success: #10b981;--color-danger: #ef4444;--color-warning: #f59e0b;--color-text: #1f2937;--color-text-light: #4b5563;--color-bg: #ffffff;--color-bg-card: #f9fafb;--color-border: #e5e7eb;--color-shadow: rgba(0, 0, 0, .1);--border-radius: 8px;--border-radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--transition: all .2s ease-in-out;--bg-primary: var(--color-bg);--bg-secondary: var(--color-bg-card);--bg-accent: rgba(59, 130, 246, .1);--text-primary: var(--color-text);--text-secondary: var(--color-text-light);--border-color: var(--color-border)}[data-theme=dark]{--color-text: #f9fafb;--color-text-light: #d1d5db;--color-bg: #111827;--color-bg-card: #1f2937;--color-border: #374151;--color-shadow: rgba(0, 0, 0, .3);--bg-primary: var(--color-bg);--bg-secondary: var(--color-bg-card);--bg-accent: rgba(59, 130, 246, .15);--text-primary: var(--color-text);--text-secondary: var(--color-text-light);--border-color: var(--color-border)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;overflow-x:hidden}.btn,.btn-primary,.btn-secondary,.btn-danger,.btn-google,.logout-btn,.submit-btn,.add-btn,.back-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:500;text-decoration:none;cursor:pointer;transition:var(--transition);min-height:44px;min-width:44px;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.btn-google{background:#ffffffd9;color:var(--color-text);border:1.5px solid var(--color-border);font-weight:600;border-radius:10px;box-shadow:0 2px 8px #3b82f612;transition:background .2s,border .2s,transform .15s,box-shadow .2s;margin-bottom:.25rem}.logout-btn{font-size:.9rem;display:flex;align-items:center;gap:.5rem;min-height:36px;position:relative;overflow:hidden;border-radius:8px;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1)}.submit-btn{font-size:1rem;font-weight:600;min-height:56px;margin-top:1rem}.submit-btn:disabled{opacity:.6;cursor:not-allowed}.add-btn{font-size:1rem;font-weight:600}.back-btn{background:none;border:1px solid var(--color-border);color:var(--color-secondary);font-size:.875rem}.back-btn:hover{background-color:var(--color-bg);border-color:var(--color-primary);color:var(--color-primary)}.card,.glass-card,.expense-form-card,.stat-card{background:var(--color-bg-card);border-radius:var(--border-radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--color-border);transition:var(--transition)}.card:hover,.expense-form-card:hover,.stat-card:hover{box-shadow:var(--shadow-lg)}.glass-card{background:#ffffffb3;color:var(--color-text);border-radius:20px;padding:2.5rem;box-shadow:0 20px 40px -10px #0000002e,0 2px 8px #3b82f614;max-width:400px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1.5px solid rgba(255,255,255,.35);position:relative;transition:box-shadow .3s cubic-bezier(.4,0,.2,1),transform .2s}.form-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem}.form-group input,.form-group select{padding:1rem;border:1px solid var(--color-border);border-radius:var(--border-radius);font-size:1rem;transition:var(--transition);background:var(--color-bg-card);color:var(--color-text);min-height:44px}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.divider span{background:#fffc;padding:0 1rem;color:var(--color-secondary);font-size:.95rem;position:relative;z-index:1;font-weight:500}.main-content{padding:2rem 1rem}.loading-spinner,.login-spinner,.logout-spinner{width:1.2em;height:1.2em;border:2.5px solid #c7d2fe;border-top:2.5px solid var(--color-primary);border-radius:50%;margin-right:.5em;animation:spin .8s linear infinite;display:inline-block;vertical-align:middle}.btn:active,.submit-btn:active,.add-btn:active,.back-btn:active{transform:scale(.98)}.btn:focus-visible,.btn-google:focus-visible,.submit-btn:focus-visible,.add-btn:focus-visible,.back-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media (max-width: 480px){.glass-card,.login-card,.expense-form-card,.card{padding:2rem 1rem}.login-card h1,.expense-form-header h1{font-size:1.4rem}}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:500;text-decoration:none;cursor:pointer;transition:var(--transition);min-height:44px;min-width:44px;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-dark)}.btn-secondary{background-color:var(--color-bg-card);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-bg);border-color:var(--color-primary);color:var(--color-primary)}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-danger:hover{background-color:#dc2626}input,select,textarea{width:100%;padding:.875rem;border:1px solid var(--color-border);border-radius:var(--border-radius);font-size:1rem;background-color:var(--color-bg-card);color:var(--color-text);transition:var(--transition);min-height:44px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.card{background:var(--color-bg-card);border-radius:var(--border-radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--color-border);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-lg)}.nav-mobile{position:fixed;bottom:0;left:0;right:0;background:var(--color-bg-card);border-top:1px solid var(--color-border);padding:.75rem 1rem;z-index:1000;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.nav-mobile-list{display:flex;justify-content:space-around;list-style:none;margin:0;padding:0}.nav-mobile-item{flex:1;text-align:center}.nav-mobile-link{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.5rem;color:var(--color-secondary);text-decoration:none;font-size:.75rem;font-weight:500;transition:var(--transition);border-radius:var(--border-radius);min-height:60px;justify-content:center}.nav-mobile-link:hover,.nav-mobile-link.active{color:var(--color-primary);background-color:#3b82f61a}.nav-mobile-icon{font-size:1.25rem}.grid{display:grid;gap:1rem}.grid-1{grid-template-columns:1fr}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (min-width: 640px){.container{padding:0 1.5rem}.grid-sm-2{grid-template-columns:repeat(2,1fr)}.grid-sm-3{grid-template-columns:repeat(3,1fr)}.grid-sm-4{grid-template-columns:repeat(4,1fr)}}@media (min-width: 768px){.container{padding:0 2rem}.grid-md-2{grid-template-columns:repeat(2,1fr)}.grid-md-3{grid-template-columns:repeat(3,1fr)}.grid-md-4{grid-template-columns:repeat(4,1fr)}.nav-mobile{display:none}}@media (min-width: 1024px){.container{padding:0 2.5rem}.grid-lg-2{grid-template-columns:repeat(2,1fr)}.grid-lg-3{grid-template-columns:repeat(3,1fr)}.grid-lg-4{grid-template-columns:repeat(4,1fr)}}@media (min-width: 1280px){.container{padding:0 3rem}}.main-content{padding-top:64px;min-height:calc(100vh - 64px)}@media (max-width: 767px){html{font-size:14px}.main-content{padding-top:56px;min-height:calc(100vh - 56px)}.btn{padding:1rem 1.5rem;font-size:1rem}input,select,textarea{padding:1rem;font-size:1rem}.card{padding:1.25rem;margin-bottom:1rem}.nav-desktop{display:none}.main-content{padding-bottom:5rem}}@media (hover: none) and (pointer: coarse){.btn:hover{transform:none}.card:hover{box-shadow:var(--shadow-md)}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (prefers-contrast: high){:root{--color-border: #000000;--color-text: #000000;--color-bg: #ffffff}[data-theme=dark]{--color-border: #ffffff;--color-text: #ffffff;--color-bg: #000000}}@media print{.nav-mobile,.nav-desktop,.btn{display:none!important}.card{box-shadow:none;border:1px solid #000}}:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: hsl(6, 78%, 57%);--toastify-color-transparent: rgba(255, 255, 255, .7);--toastify-icon-color-info: var(--toastify-color-info);--toastify-icon-color-success: var(--toastify-color-success);--toastify-icon-color-warning: var(--toastify-color-warning);--toastify-icon-color-error: var(--toastify-color-error);--toastify-container-width: fit-content;--toastify-toast-width: 320px;--toastify-toast-offset: 16px;--toastify-toast-top: max(var(--toastify-toast-offset), env(safe-area-inset-top));--toastify-toast-right: max(var(--toastify-toast-offset), env(safe-area-inset-right));--toastify-toast-left: max(var(--toastify-toast-offset), env(safe-area-inset-left));--toastify-toast-bottom: max(var(--toastify-toast-offset), env(safe-area-inset-bottom));--toastify-toast-background: #fff;--toastify-toast-padding: 14px;--toastify-toast-min-height: 64px;--toastify-toast-max-height: 800px;--toastify-toast-bd-radius: 6px;--toastify-toast-shadow: 0px 4px 12px rgba(0, 0, 0, .1);--toastify-font-family: sans-serif;--toastify-z-index: 9999;--toastify-text-color-light: #757575;--toastify-text-color-dark: #fff;--toastify-text-color-info: #fff;--toastify-text-color-success: #fff;--toastify-text-color-warning: #fff;--toastify-text-color-error: #fff;--toastify-spinner-color: #616161;--toastify-spinner-color-empty-area: #e0e0e0;--toastify-color-progress-light: linear-gradient(to right, #4cd964, #5ac8fa, #007aff, #34aadc, #5856d6, #ff2d55);--toastify-color-progress-dark: #bb86fc;--toastify-color-progress-info: var(--toastify-color-info);--toastify-color-progress-success: var(--toastify-color-success);--toastify-color-progress-warning: var(--toastify-color-warning);--toastify-color-progress-error: var(--toastify-color-error);--toastify-color-progress-bgo: .2}.Toastify__toast-container{z-index:var(--toastify-z-index);-webkit-transform:translate3d(0,0,var(--toastify-z-index));position:fixed;width:var(--toastify-container-width);box-sizing:border-box;color:#fff;display:flex;flex-direction:column}.Toastify__toast-container--top-left{top:var(--toastify-toast-top);left:var(--toastify-toast-left)}.Toastify__toast-container--top-center{top:var(--toastify-toast-top);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--top-right{top:var(--toastify-toast-top);right:var(--toastify-toast-right);align-items:end}.Toastify__toast-container--bottom-left{bottom:var(--toastify-toast-bottom);left:var(--toastify-toast-left)}.Toastify__toast-container--bottom-center{bottom:var(--toastify-toast-bottom);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--bottom-right{bottom:var(--toastify-toast-bottom);right:var(--toastify-toast-right);align-items:end}.Toastify__toast{--y: 0;position:relative;touch-action:none;width:var(--toastify-toast-width);min-height:var(--toastify-toast-min-height);box-sizing:border-box;margin-bottom:1rem;padding:var(--toastify-toast-padding);border-radius:var(--toastify-toast-bd-radius);box-shadow:var(--toastify-toast-shadow);max-height:var(--toastify-toast-max-height);font-family:var(--toastify-font-family);z-index:0;display:flex;flex:1 auto;align-items:center;word-break:break-word}@media only screen and (max-width: 480px){.Toastify__toast-container{width:100vw;left:env(safe-area-inset-left);margin:0}.Toastify__toast-container--top-left,.Toastify__toast-container--top-center,.Toastify__toast-container--top-right{top:env(safe-area-inset-top);transform:translate(0)}.Toastify__toast-container--bottom-left,.Toastify__toast-container--bottom-center,.Toastify__toast-container--bottom-right{bottom:env(safe-area-inset-bottom);transform:translate(0)}.Toastify__toast-container--rtl{right:env(safe-area-inset-right);left:initial}.Toastify__toast{--toastify-toast-width: 100%;margin-bottom:0;border-radius:0}}.Toastify__toast-container[data-stacked=true]{width:var(--toastify-toast-width)}.Toastify__toast--stacked{position:absolute;width:100%;transform:translate3d(0,var(--y),0) scale(var(--s));transition:transform .3s}.Toastify__toast--stacked[data-collapsed] .Toastify__toast-body,.Toastify__toast--stacked[data-collapsed] .Toastify__close-button{transition:opacity .1s}.Toastify__toast--stacked[data-collapsed=false]{overflow:visible}.Toastify__toast--stacked[data-collapsed=true]:not(:last-child)>*{opacity:0}.Toastify__toast--stacked:after{content:"";position:absolute;left:0;right:0;height:calc(var(--g) * 1px);bottom:100%}.Toastify__toast--stacked[data-pos=top]{top:0}.Toastify__toast--stacked[data-pos=bot]{bottom:0}.Toastify__toast--stacked[data-pos=bot].Toastify__toast--stacked:before{transform-origin:top}.Toastify__toast--stacked[data-pos=top].Toastify__toast--stacked:before{transform-origin:bottom}.Toastify__toast--stacked:before{content:"";position:absolute;left:0;right:0;bottom:0;height:100%;transform:scaleY(3);z-index:-1}.Toastify__toast--rtl{direction:rtl}.Toastify__toast--close-on-click{cursor:pointer}.Toastify__toast-icon{margin-inline-end:10px;width:22px;flex-shrink:0;display:flex}.Toastify--animate{animation-fill-mode:both;animation-duration:.5s}.Toastify--animate-icon{animation-fill-mode:both;animation-duration:.3s}.Toastify__toast-theme--dark{background:var(--toastify-color-dark);color:var(--toastify-text-color-dark)}.Toastify__toast-theme--light,.Toastify__toast-theme--colored.Toastify__toast--default{background:var(--toastify-color-light);color:var(--toastify-text-color-light)}.Toastify__toast-theme--colored.Toastify__toast--info{color:var(--toastify-text-color-info);background:var(--toastify-color-info)}.Toastify__toast-theme--colored.Toastify__toast--success{color:var(--toastify-text-color-success);background:var(--toastify-color-success)}.Toastify__toast-theme--colored.Toastify__toast--warning{color:var(--toastify-text-color-warning);background:var(--toastify-color-warning)}.Toastify__toast-theme--colored.Toastify__toast--error{color:var(--toastify-text-color-error);background:var(--toastify-color-error)}.Toastify__progress-bar-theme--light{background:var(--toastify-color-progress-light)}.Toastify__progress-bar-theme--dark{background:var(--toastify-color-progress-dark)}.Toastify__progress-bar--info{background:var(--toastify-color-progress-info)}.Toastify__progress-bar--success{background:var(--toastify-color-progress-success)}.Toastify__progress-bar--warning{background:var(--toastify-color-progress-warning)}.Toastify__progress-bar--error{background:var(--toastify-color-progress-error)}.Toastify__progress-bar-theme--colored.Toastify__progress-bar--info,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--success,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--warning,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--error{background:var(--toastify-color-transparent)}.Toastify__close-button{color:#fff;position:absolute;top:6px;right:6px;background:transparent;outline:none;border:none;padding:0;cursor:pointer;opacity:.7;transition:.3s ease;z-index:1}.Toastify__toast--rtl .Toastify__close-button{left:6px;right:unset}.Toastify__close-button--light{color:#000;opacity:.3}.Toastify__close-button>svg{fill:currentColor;height:16px;width:14px}.Toastify__close-button:hover,.Toastify__close-button:focus{opacity:1}@keyframes Toastify__trackProgress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.Toastify__progress-bar{position:absolute;bottom:0;left:0;width:100%;height:100%;z-index:1;opacity:.7;transform-origin:left}.Toastify__progress-bar--animated{animation:Toastify__trackProgress linear 1 forwards}.Toastify__progress-bar--controlled{transition:transform .2s}.Toastify__progress-bar--rtl{right:0;left:initial;transform-origin:right;border-bottom-left-radius:initial}.Toastify__progress-bar--wrp{position:absolute;overflow:hidden;bottom:0;left:0;width:100%;height:5px;border-bottom-left-radius:var(--toastify-toast-bd-radius);border-bottom-right-radius:var(--toastify-toast-bd-radius)}.Toastify__progress-bar--wrp[data-hidden=true]{opacity:0}.Toastify__progress-bar--bg{opacity:var(--toastify-color-progress-bgo);width:100%;height:100%}.Toastify__spinner{width:20px;height:20px;box-sizing:border-box;border:2px solid;border-radius:100%;border-color:var(--toastify-spinner-color-empty-area);border-right-color:var(--toastify-spinner-color);animation:Toastify__spin .65s linear infinite}@keyframes Toastify__bounceInRight{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(3000px,0,0)}60%{opacity:1;transform:translate3d(-25px,0,0)}75%{transform:translate3d(10px,0,0)}90%{transform:translate3d(-5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutRight{20%{opacity:1;transform:translate3d(-20px,var(--y),0)}to{opacity:0;transform:translate3d(2000px,var(--y),0)}}@keyframes Toastify__bounceInLeft{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(-3000px,0,0)}60%{opacity:1;transform:translate3d(25px,0,0)}75%{transform:translate3d(-10px,0,0)}90%{transform:translate3d(5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutLeft{20%{opacity:1;transform:translate3d(20px,var(--y),0)}to{opacity:0;transform:translate3d(-2000px,var(--y),0)}}@keyframes Toastify__bounceInUp{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,3000px,0)}60%{opacity:1;transform:translate3d(0,-20px,0)}75%{transform:translate3d(0,10px,0)}90%{transform:translate3d(0,-5px,0)}to{transform:translateZ(0)}}@keyframes Toastify__bounceOutUp{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,-2000px,0)}}@keyframes Toastify__bounceInDown{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,-3000px,0)}60%{opacity:1;transform:translate3d(0,25px,0)}75%{transform:translate3d(0,-10px,0)}90%{transform:translate3d(0,5px,0)}to{transform:none}}@keyframes Toastify__bounceOutDown{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,2000px,0)}}.Toastify__bounce-enter--top-left,.Toastify__bounce-enter--bottom-left{animation-name:Toastify__bounceInLeft}.Toastify__bounce-enter--top-right,.Toastify__bounce-enter--bottom-right{animation-name:Toastify__bounceInRight}.Toastify__bounce-enter--top-center{animation-name:Toastify__bounceInDown}.Toastify__bounce-enter--bottom-center{animation-name:Toastify__bounceInUp}.Toastify__bounce-exit--top-left,.Toastify__bounce-exit--bottom-left{animation-name:Toastify__bounceOutLeft}.Toastify__bounce-exit--top-right,.Toastify__bounce-exit--bottom-right{animation-name:Toastify__bounceOutRight}.Toastify__bounce-exit--top-center{animation-name:Toastify__bounceOutUp}.Toastify__bounce-exit--bottom-center{animation-name:Toastify__bounceOutDown}@keyframes Toastify__zoomIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}}@keyframes Toastify__zoomOut{0%{opacity:1}50%{opacity:0;transform:translate3d(0,var(--y),0) scale3d(.3,.3,.3)}to{opacity:0}}.Toastify__zoom-enter{animation-name:Toastify__zoomIn}.Toastify__zoom-exit{animation-name:Toastify__zoomOut}@keyframes Toastify__flipIn{0%{transform:perspective(400px) rotateX(90deg);animation-timing-function:ease-in;opacity:0}40%{transform:perspective(400px) rotateX(-20deg);animation-timing-function:ease-in}60%{transform:perspective(400px) rotateX(10deg);opacity:1}80%{transform:perspective(400px) rotateX(-5deg)}to{transform:perspective(400px)}}@keyframes Toastify__flipOut{0%{transform:translate3d(0,var(--y),0) perspective(400px)}30%{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(-20deg);opacity:1}to{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(90deg);opacity:0}}.Toastify__flip-enter{animation-name:Toastify__flipIn}.Toastify__flip-exit{animation-name:Toastify__flipOut}@keyframes Toastify__slideInRight{0%{transform:translate3d(110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInLeft{0%{transform:translate3d(-110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInUp{0%{transform:translate3d(0,110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInDown{0%{transform:translate3d(0,-110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideOutRight{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(110%,var(--y),0)}}@keyframes Toastify__slideOutLeft{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(-110%,var(--y),0)}}@keyframes Toastify__slideOutDown{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,500px,0)}}@keyframes Toastify__slideOutUp{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,-500px,0)}}.Toastify__slide-enter--top-left,.Toastify__slide-enter--bottom-left{animation-name:Toastify__slideInLeft}.Toastify__slide-enter--top-right,.Toastify__slide-enter--bottom-right{animation-name:Toastify__slideInRight}.Toastify__slide-enter--top-center{animation-name:Toastify__slideInDown}.Toastify__slide-enter--bottom-center{animation-name:Toastify__slideInUp}.Toastify__slide-exit--top-left,.Toastify__slide-exit--bottom-left{animation-name:Toastify__slideOutLeft;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-right,.Toastify__slide-exit--bottom-right{animation-name:Toastify__slideOutRight;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-center{animation-name:Toastify__slideOutUp;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--bottom-center{animation-name:Toastify__slideOutDown;animation-timing-function:ease-in;animation-duration:.3s}@keyframes Toastify__spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--bg-primary);border-bottom:1px solid var(--border-color);transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.navbar-scrolled{box-shadow:0 4px 20px #0000001a;background:#fffffff2;border-bottom-color:#0000000d}[data-theme=dark] .navbar-scrolled{background:#121212f2;box-shadow:0 4px 20px #0000004d;border-bottom-color:#ffffff1a}.navbar-container{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;align-items:center;justify-content:space-between;height:64px}.navbar-brand{display:flex;align-items:center}.navbar-logo{display:flex;align-items:center;text-decoration:none;color:var(--text-primary);font-weight:700;font-size:1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.navbar-logo:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(59,130,246,.1),transparent);transition:left .5s ease}.navbar-logo:hover:before{left:100%}.navbar-logo:hover{color:var(--color-primary);transform:translateY(-1px)}.brand-icon{margin-right:.5rem;font-size:1.8rem;color:var(--color-primary);transition:transform .3s ease}.navbar-logo:hover .brand-icon{transform:scale(1.1) rotate(5deg)}.brand-text{font-weight:800;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative}.navbar-menu{display:flex;align-items:center;gap:.5rem}.navbar-link{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;text-decoration:none;color:var(--text-secondary);border-radius:12px;transition:all .3s cubic-bezier(.4,0,.2,1);font-weight:500;position:relative;overflow:hidden;min-height:44px}.navbar-link:before{content:"";position:absolute;inset:0;background:var(--color-primary);opacity:0;transition:opacity .3s ease;border-radius:12px}.navbar-link:hover{color:var(--text-primary);background:var(--bg-secondary);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.navbar-link.active{color:var(--color-primary);background:var(--bg-accent);font-weight:600;box-shadow:0 2px 8px #3b82f633}.navbar-link.active:before{opacity:.1}.navbar-link svg{font-size:1.1rem;transition:transform .3s ease}.navbar-link:hover svg{transform:scale(1.1)}.active-indicator{position:absolute;bottom:-2px;left:50%;transform:translate(-50%);width:20px;height:3px;background:var(--color-primary);border-radius:2px;animation:slideInUp .3s ease}@keyframes slideInUp{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.navbar-actions{display:flex;align-items:center;gap:1rem}.theme-toggle{position:relative;background:var(--bg-secondary);border:2px solid var(--border-color);color:var(--text-secondary);width:44px;height:44px;border-radius:50%;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:44px;min-width:44px}.theme-toggle:hover:not(:disabled){transform:scale(1.1) rotate(5deg);box-shadow:0 6px 20px #00000026;border-color:var(--color-primary)}.theme-toggle:active:not(:disabled){transform:scale(.95)}.theme-toggle:disabled{opacity:.6;cursor:not-allowed}.theme-toggle-loading{pointer-events:none}.theme-toggle-inner{position:relative;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.theme-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.2rem;transition:all .4s cubic-bezier(.4,0,.2,1)}.theme-icon-sun{color:#fbbf24;opacity:1;transform:translate(-50%,-50%) rotate(0) scale(1)}.theme-icon-moon{color:#6366f1;opacity:0;transform:translate(-50%,-50%) rotate(90deg) scale(.5)}.theme-toggle-light{background:linear-gradient(135deg,#fef3c7,#fde68a);border-color:#f59e0b}.theme-toggle-light:hover:not(:disabled){background:linear-gradient(135deg,#fde68a,#fbbf24);box-shadow:0 6px 20px #fbbf244d}.theme-toggle-light .theme-icon-sun{opacity:1;transform:translate(-50%,-50%) rotate(0) scale(1)}.theme-toggle-light .theme-icon-moon{opacity:0;transform:translate(-50%,-50%) rotate(90deg) scale(.5)}.theme-toggle-dark{background:linear-gradient(135deg,#1e293b,#334155);border-color:#6366f1}.theme-toggle-dark:hover:not(:disabled){background:linear-gradient(135deg,#334155,#475569);box-shadow:0 6px 20px #6366f14d}.theme-toggle-dark .theme-icon-sun{opacity:0;transform:translate(-50%,-50%) rotate(-90deg) scale(.5)}.theme-toggle-dark .theme-icon-moon{opacity:1;transform:translate(-50%,-50%) rotate(0) scale(1)}.theme-toggle-spinner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px;border:2px solid transparent;border-top:2px solid var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}.theme-toggle.theme-toggle-light .theme-icon-sun{animation:sunRise .4s cubic-bezier(.4,0,.2,1)}.theme-toggle.theme-toggle-dark .theme-icon-moon{animation:moonRise .4s cubic-bezier(.4,0,.2,1)}@keyframes sunRise{0%{opacity:0;transform:translate(-50%,-50%) rotate(-90deg) scale(.5)}50%{opacity:.5;transform:translate(-50%,-50%) rotate(-45deg) scale(.75)}to{opacity:1;transform:translate(-50%,-50%) rotate(0) scale(1)}}@keyframes moonRise{0%{opacity:0;transform:translate(-50%,-50%) rotate(90deg) scale(.5)}50%{opacity:.5;transform:translate(-50%,-50%) rotate(45deg) scale(.75)}to{opacity:1;transform:translate(-50%,-50%) rotate(0) scale(1)}}.theme-toggle:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#fff3;border-radius:50%;transform:translate(-50%,-50%);transition:all .3s ease}.theme-toggle:hover:before{width:100%;height:100%}.theme-toggle:focus{outline:none;box-shadow:0 0 0 3px #6366f14d}.theme-toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.user-menu{display:flex;align-items:center;gap:.75rem;padding:.5rem;border-radius:12px;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;overflow:hidden}.user-menu:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(59,130,246,.1),transparent);transition:left .5s ease}.user-menu:hover:before{left:100%}.user-menu:hover{background:var(--bg-secondary);transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}.navbar-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid var(--color-primary);transition:all .3s ease;position:relative;overflow:hidden}.navbar-avatar:hover{transform:scale(1.1);box-shadow:0 4px 12px #3b82f64d}.navbar-avatar-loading{border-color:var(--border-color);background:var(--bg-secondary);display:flex;align-items:center;justify-content:center}.avatar-skeleton{width:20px;height:20px;border-radius:50%;background:linear-gradient(90deg,var(--border-color) 25%,var(--bg-accent) 50%,var(--border-color) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.user-avatar-fallback{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem;transition:all .3s ease;position:relative;overflow:hidden}.user-avatar-fallback:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.user-avatar-fallback:hover:before{left:100%}.user-avatar-fallback:hover{transform:scale(1.1);box-shadow:0 4px 12px #3b82f64d}.user-name{font-weight:500;color:var(--text-primary);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .3s ease}.logout-btn{padding:.5rem 1rem;border:none;border-radius:8px;font-weight:500;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:.9rem;display:flex;align-items:center;gap:.5rem;min-height:36px;position:relative;overflow:hidden}.logout-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.logout-btn:hover:before{left:100%}.logout-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.logout-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.logout-btn-loading{pointer-events:none}.logout-spinner{width:16px;height:16px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin .8s linear infinite}.navbar-mobile{display:none}.mobile-menu-toggle{background:none;border:none;color:var(--text-secondary);font-size:1.2rem;padding:.5rem;border-radius:8px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);min-height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.mobile-menu-toggle:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(59,130,246,.1),transparent);transition:left .5s ease}.mobile-menu-toggle:hover:before{left:100%}.mobile-menu-toggle:hover{color:var(--text-primary);background:var(--bg-secondary);transform:scale(1.05)}.mobile-menu-toggle-open{background:var(--bg-accent);color:var(--color-primary)}.mobile-menu-overlay{position:fixed;inset:0;background:#00000080;z-index:1001;display:flex;align-items:flex-start;justify-content:flex-end;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mobile-menu{width:320px;height:100vh;background:var(--bg-primary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;animation:slideIn .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.mobile-menu-header{padding:1.5rem;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.user-avatar{width:56px;height:56px;border-radius:50%;overflow:hidden;border:3px solid var(--color-primary);transition:all .3s ease}.user-avatar:hover{transform:scale(1.05);box-shadow:0 4px 12px #3b82f64d}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-avatar .user-avatar-fallback{width:100%;height:100%;font-size:1.4rem}.user-details{display:flex;flex-direction:column;gap:.25rem;flex:1}.user-details .user-name{font-weight:600;color:var(--text-primary);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-details .user-email{font-size:.9rem;color:var(--text-secondary);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-menu-items{flex:1;padding:1rem 0;overflow-y:auto}.mobile-menu-item{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;text-decoration:none;color:var(--text-secondary);transition:all .3s cubic-bezier(.4,0,.2,1);border-left:3px solid transparent;position:relative;overflow:hidden;min-height:56px}.mobile-menu-item:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(59,130,246,.1),transparent);transition:left .5s ease}.mobile-menu-item:hover:before{left:100%}.mobile-menu-item:hover{color:var(--text-primary);background:var(--bg-secondary);border-left-color:var(--color-primary);transform:translate(4px)}.mobile-menu-item.active{color:var(--color-primary);background:var(--bg-accent);border-left-color:var(--color-primary);font-weight:600}.mobile-menu-item svg{font-size:1.2rem;width:20px;transition:transform .3s ease}.mobile-menu-item:hover svg{transform:scale(1.1)}.mobile-active-indicator{position:absolute;right:1rem;top:50%;transform:translateY(-50%);width:8px;height:8px;background:var(--color-primary);border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1;transform:translateY(-50%) scale(1)}50%{opacity:.7;transform:translateY(-50%) scale(1.2)}}.mobile-menu-footer{padding:1rem 1.5rem;border-top:1px solid var(--border-color);background:var(--bg-secondary)}.nav-mobile{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--bg-primary);border-top:1px solid var(--border-color);z-index:999;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 -4px 20px #0000001a}.nav-mobile-list{display:flex;list-style:none;margin:0;padding:0}.nav-mobile-item{flex:1}.nav-mobile-link{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.75rem .5rem;text-decoration:none;color:var(--text-secondary);transition:all .3s cubic-bezier(.4,0,.2,1);font-size:.8rem;font-weight:500;position:relative;overflow:hidden;min-height:60px}.nav-mobile-link:before{content:"";position:absolute;inset:0;background:var(--color-primary);opacity:0;transition:opacity .3s ease}.nav-mobile-link:hover{color:var(--text-primary);transform:translateY(-2px)}.nav-mobile-link.active{color:var(--color-primary)}.nav-mobile-link.active:before{opacity:.1}.nav-mobile-icon{font-size:1.2rem;transition:transform .3s ease}.nav-mobile-link:hover .nav-mobile-icon{transform:scale(1.1)}.nav-mobile-active-indicator{position:absolute;top:.25rem;width:4px;height:4px;background:var(--color-primary);border-radius:50%;animation:pulse 2s infinite}@media (max-width: 768px){.navbar-desktop{display:none}.navbar-mobile,.nav-mobile{display:block}.main-content{padding-bottom:80px}.navbar-container{height:56px}.brand-text{font-size:1.2rem}}@media (max-width: 480px){.navbar-container{padding:0 .75rem}.mobile-menu{width:100%}.nav-mobile-link{font-size:.7rem;padding:.5rem .25rem}.nav-mobile-icon{font-size:1rem}}[data-theme=dark] .navbar{background:#121212f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}[data-theme=dark] .mobile-menu-overlay{background:#000000b3}[data-theme=dark] .mobile-menu{background:#121212f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.navbar-link:focus-visible,.mobile-menu-item:focus-visible,.nav-mobile-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.user-menu:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:12px}@media (prefers-reduced-motion: reduce){.navbar,.navbar-link,.theme-toggle,.user-menu,.logout-btn,.mobile-menu-toggle,.mobile-menu-item,.nav-mobile-link{transition:none}.theme-toggle-spinner,.logout-spinner,.avatar-skeleton,.mobile-menu,.mobile-menu-overlay,.active-indicator,.mobile-active-indicator,.nav-mobile-active-indicator{animation:none}}.loading-container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:40vh;color:var(--color-text)}.spinner{font-size:2.5rem;animation:spin 1s linear infinite;margin-bottom:1rem}.loading-spinner p{font-size:1.2rem;font-weight:500;margin:0}.home-container{max-width:1200px;margin:0 auto;padding:1rem}.home-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.welcome-section h1{font-size:2rem;font-weight:700;color:var(--color-text);margin:0 0 .5rem;line-height:1.2}.welcome-section p{font-size:1rem;color:var(--color-secondary);margin:0}.user-avatar{width:60px;height:60px;background:var(--color-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;flex-shrink:0}.homepage-avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;border:2px solid #6c63ff;background:#fff}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--color-bg-card);border-radius:var(--border-radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--color-border);display:flex;align-items:center;gap:1rem;transition:var(--transition)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.stat-icon{width:50px;height:50px;background:var(--color-primary);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;flex-shrink:0}.quick-actions{background:var(--color-bg-card);border-radius:var(--border-radius-lg);padding:1.5rem;margin-bottom:2rem;box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.quick-actions h2{margin:0 0 1.5rem;color:var(--color-text);font-size:1.25rem}.actions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.action-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:.75rem;cursor:pointer;transition:var(--transition);color:var(--color-text);text-decoration:none;font-size:1rem;font-weight:500;min-height:120px;justify-content:center}.action-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--color-primary);color:var(--color-primary)}.action-card svg{font-size:1.5rem;color:var(--color-primary)}.recent-expenses{background:var(--color-bg-card);border-radius:var(--border-radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.section-header h2{margin:0;color:var(--color-text);font-size:1.25rem}.view-all-btn{background:none;border:1px solid var(--color-border);color:var(--color-secondary);padding:.5rem 1rem;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);font-size:.875rem;min-height:44px}.view-all-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.no-expenses{text-align:center;padding:2rem;color:var(--color-secondary)}.no-expenses p{margin:0 0 1.5rem;font-size:1.125rem}.expense-item{background:var(--color-bg);border-radius:var(--border-radius);padding:1rem;border:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;transition:var(--transition);flex-wrap:wrap;gap:.75rem}.expense-item:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.expense-info h3{margin:0 0 .5rem;color:var(--color-text);font-size:1rem;font-weight:600;word-break:break-word}.expense-details{display:flex;gap:1rem;flex-wrap:wrap}.expense-details span{display:flex;align-items:center;gap:.25rem;color:var(--color-secondary);font-size:.75rem}.expense-person{color:var(--color-text)!important;font-weight:500}.expense-amount{color:var(--color-primary);font-weight:700;font-size:1.125rem;flex-shrink:0}.recent-activity{margin-top:2rem}.activity-grid{display:grid;grid-template-columns:1fr;gap:2rem}.recent-settlements{background:var(--color-bg-card);border-radius:var(--border-radius);padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.no-settlements{text-align:center;padding:2rem;color:var(--color-secondary)}.no-settlements p{margin:0 0 1.5rem;font-size:1.125rem}.settlement-item{background:var(--color-bg);border-radius:var(--border-radius);padding:1rem;border:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;transition:var(--transition);flex-wrap:wrap;gap:.75rem}.settlement-item:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.settlement-info{flex:1;min-width:0}.settlement-users{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;font-weight:600}.from-user{color:#ef4444;background:#fef2f2;padding:.25rem .5rem;border-radius:4px;font-size:.75rem}.to-user{color:#10b981;background:#dcfce7;padding:.25rem .5rem;border-radius:4px;font-size:.75rem}.arrow{color:var(--color-secondary);font-weight:700}.settlement-details{display:flex;flex-direction:column;gap:.25rem}.settlement-description{color:var(--color-secondary);font-size:.875rem;font-style:italic}.settlement-date{color:var(--color-secondary);font-size:.75rem}.settlement-amount{color:var(--color-primary);font-weight:700;font-size:1.125rem;flex-shrink:0}@media (min-width: 640px){.home-container{padding:1.5rem}.stats-grid,.actions-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 768px){.home-container{padding:2rem}.home-header{margin-bottom:3rem}.welcome-section h1{font-size:2.5rem}.welcome-section p{font-size:1.125rem}.stats-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem}.actions-grid{grid-template-columns:repeat(4,1fr)}.quick-actions,.recent-expenses{padding:2rem}.expense-item{flex-wrap:nowrap}}@media (min-width: 1024px){.home-container{padding:2.5rem}}@media (min-width: 1024px){.stats-grid{grid-template-columns:repeat(6,1fr)}}@media (min-width: 1200px){.activity-grid{grid-template-columns:1fr 1fr;gap:3rem}}@media (hover: none) and (pointer: coarse){.stat-card:hover,.action-card:hover,.expense-item:hover{transform:none}.stat-card:active,.action-card:active,.expense-item:active{transform:scale(.98)}}@media (prefers-contrast: high){.stat-card,.quick-actions,.recent-expenses{border-width:2px}}.login-container{display:flex;align-items:center;justify-content:center;background:linear-gradient(120deg,#667eea,#764ba2,#43cea2,#185a9d);background-size:300% 300%;animation:gradientMove 12s ease-in-out infinite;padding:11rem}@keyframes gradientMove{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.glass-card{background:#ffffffb3;color:var(--color-text);border-radius:20px;padding:2.5rem;box-shadow:0 20px 40px -10px #0000002e,0 2px 8px #3b82f614;width:100%;max-width:400px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1.5px solid rgba(255,255,255,.35);position:relative;transition:box-shadow .3s cubic-bezier(.4,0,.2,1),transform .2s}.glass-card:focus-within,.glass-card:hover{box-shadow:0 24px 48px -12px #3b82f62e,0 4px 16px #3b82f61a;transform:translateY(-2px) scale(1.01)}.login-card h1{text-align:center;margin-bottom:2rem;font-size:2rem;font-weight:800;letter-spacing:-1px;color:var(--color-primary);text-shadow:0 2px 8px rgba(59,130,246,.08)}.login-form,.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--color-text);font-size:.95rem;letter-spacing:.01em}.form-group .input-wrapper input{padding-left:2.5rem}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:1rem;color:var(--color-secondary);font-size:1.1rem;pointer-events:none;opacity:.85}.input-wrapper input{width:100%;padding:.85rem 1rem .85rem 2.5rem;border:1.5px solid var(--color-border);border-radius:10px;font-size:1rem;transition:border .2s,box-shadow .2s,background .2s;background:#ffffffd9;color:var(--color-text);font-weight:500;box-shadow:0 1px 2px #3b82f608}.input-wrapper input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f621;background:#fffffffa}.input-wrapper input:disabled{background:#f3f4f6;color:#b0b0b0;cursor:not-allowed}.password-toggle{position:absolute;right:1rem;background:none;border:none;color:var(--color-secondary);cursor:pointer;padding:.25rem;border-radius:6px;transition:color .2s,background .2s;font-size:1.1rem;z-index:2}.password-toggle:focus,.password-toggle:hover{color:var(--color-primary);background:#3b82f612;outline:none}.password-toggle:disabled{color:#b0b0b0;cursor:not-allowed}.login-btn{width:100%;padding:.95rem;font-size:1.08rem;font-weight:700;border-radius:10px;box-shadow:0 2px 8px #3b82f612;letter-spacing:.01em;display:flex;align-items:center;justify-content:center;gap:.75rem;transition:background .2s,transform .15s,box-shadow .2s}.login-btn:active{transform:scale(.98)}.login-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.login-btn[aria-busy=true]{pointer-events:none;opacity:.7}.login-spinner{width:1.2em;height:1.2em;border:2.5px solid #c7d2fe;border-top:2.5px solid var(--color-primary);border-radius:50%;margin-right:.5em;animation:spin .8s linear infinite;display:inline-block;vertical-align:middle}.divider{text-align:center;margin:1.5rem 0;position:relative;-webkit-user-select:none;user-select:none}.divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1.5px;background-color:var(--color-border);z-index:0}.divider span{padding:0 1rem;color:var(--color-secondary);font-size:.95rem;position:relative;z-index:1;font-weight:500}.btn-google{width:100%;background:#ffffffd9;color:var(--color-text);border:1.5px solid var(--color-border);display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.95rem;font-size:1.08rem;font-weight:600;border-radius:10px;box-shadow:0 2px 8px #3b82f612;transition:background .2s,border .2s,transform .15s,box-shadow .2s;margin-bottom:.25rem}.btn-google:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-google:hover:not(:disabled){background-color:#f3f4f6;border-color:var(--color-primary);transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #3b82f61a}.btn-google:active{transform:scale(.98)}.btn-google:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 480px){.login-container{padding:1rem}.glass-card,.login-card{padding:2rem 1rem}.login-card h1{font-size:1.4rem}}.expense-form-container{max-width:800px;margin:0 auto;padding:1rem}.expense-form-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.expense-form-header h1{margin:0;font-size:1.5rem;font-weight:700;color:var(--color-text);flex:1}.expense-form{display:flex;flex-direction:column;gap:1.5rem}.total-expense-info{background:var(--color-bg);border-radius:var(--border-radius);padding:1rem;margin:1rem 0;border:1px solid var(--color-border);text-align:center}.total-expense-info p{margin:0;color:var(--color-text);font-weight:500}.input-disabled{display:flex;align-items:center;gap:.5rem;padding:1rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--border-radius);color:var(--color-secondary);min-height:44px}@media (min-width: 640px){.expense-form-container{padding:1.5rem}.expense-form-card{padding:2rem}.expense-form-header h1{font-size:1.875rem}}@media (min-width: 768px){.expense-form-container{padding:2rem}.expense-form-card{padding:2.5rem}.expense-form-header{margin-bottom:2rem}.expense-form-header h1{font-size:2rem}}@media (min-width: 1024px){.expense-form-container{padding:2.5rem}}@media (prefers-contrast: high){.expense-form-card,.form-group input,.form-group select{border-width:2px}}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--color-bg-card);color:var(--color-text);border-radius:12px;padding:0;max-width:400px;width:90%;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;animation:modalSlideIn .3s ease-out;border:1px solid var(--color-border)}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 1.5rem 1rem;border-bottom:1px solid var(--color-border)}.modal-header h3{margin:0;font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.25rem;color:#6b7280;cursor:pointer;padding:.25rem;border-radius:4px;transition:all .2s}.modal-close:hover{background-color:#f3f4f6;color:#374151}.modal-body{padding:1.5rem}.modal-body p{margin:0;color:#374151;line-height:1.6}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem 1.5rem;border-top:1px solid var(--color-border)}.btn{padding:.75rem 1.5rem;border-radius:8px;font-weight:500;font-size:.875rem;border:none;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:.5rem;min-width:100px;justify-content:center}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn:disabled:hover{transform:none!important;background-color:inherit!important}.btn-primary{background-color:#3b82f6;color:#fff}.btn-primary:hover:not(:disabled){background-color:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.btn-secondary{background-color:#f3f4f6;color:#374151}.btn-secondary:hover:not(:disabled){background-color:#e5e7eb;transform:translateY(-1px)}.modal-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}.modal-content{background:var(--color-bg-card);color:var(--color-text);border-radius:12px;padding:0;max-width:500px;width:90%;box-shadow:0 25px 50px -12px #00000040;animation:modalSlideIn .3s cubic-bezier(.4,0,.2,1);border:1px solid var(--color-border)}.modal-header h3{margin:0;font-size:1.25rem;font-weight:600;color:var(--color-text)}.modal-body p{margin:0;color:var(--color-text);line-height:1.6}@media (max-width: 768px){.modal-content{max-width:95%;margin:1rem}.modal-footer{flex-direction:column;gap:.5rem}.btn{width:100%;justify-content:center}}.edit-expense-modal-overlay{position:fixed;inset:0;background:#0006;z-index:1000;display:flex;align-items:center;justify-content:center}.edit-expense-modal{background:#fff;border-radius:18px;box-shadow:0 4px 32px #0000002e;padding:1.5rem 1rem 1rem;width:95vw;max-width:400px;position:relative;animation:fadeIn .2s}@media (max-width: 600px){.edit-expense-modal{width:98vw;max-width:98vw;min-height:60vh;padding:1.2rem .5rem 1rem}}.modal-title-bar{display:flex;align-items:center;justify-content:space-between;padding-bottom:.5rem;margin-bottom:.5rem;border-bottom:1px solid #eee;box-shadow:0 2px 8px #00000008;background:#fff;position:sticky;top:0;z-index:2}.close-btn{position:static;font-size:2rem;color:#888;background:none;border:none;cursor:pointer;padding:.2em .5em;margin-left:.5em;border-radius:50%;transition:background .15s}.close-btn:active,.close-btn:focus{background:#f0f0f0}.divider{height:1px;background:#f2f2f2;margin:.2rem 0 .7rem;border:none}.form-section{margin-bottom:.2rem}.sticky-save{position:sticky;bottom:0;left:0;width:100%;margin-top:1.2rem;box-shadow:0 2px 8px #6c63ff14;z-index:3}.edit-expense-form select{appearance:none;-webkit-appearance:none;background:#f8f8f8 url('data:image/svg+xml;utf8,<svg fill="%236c63ff" height="20" viewBox="0 0 24 24" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat right .7em center/1.2em 1.2em;padding-right:2.2em}.edit-expense-form{display:flex;flex-direction:column;gap:1.1rem;margin-top:1.2rem}.edit-expense-form label{font-size:1rem;color:#222;font-weight:500;display:flex;flex-direction:column;gap:.4rem}.edit-expense-form input,.edit-expense-form select{font-size:1.1rem;padding:.7rem .9rem;border-radius:8px;border:1px solid #ddd;background:#f8f8f8;outline:none;margin-top:.2rem;cursor:not-allowed}.edit-expense-form input:focus,.edit-expense-form select:focus{border-color:#6c63ff;background:#f0f0ff}.edit-expense-form .btn-primary{background:#6c63ff;color:#fff;border:none;border-radius:8px;padding:.9rem 0;font-size:1.1rem;font-weight:600;margin-top:.5rem;cursor:pointer;transition:background .18s}.edit-expense-form .btn-primary:active{background:#554ee0}select:hover{cursor:pointer}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.expenses-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.expenses-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.expenses-header h1{font-size:2.5rem;font-weight:700;color:var(--color-text);margin:0;display:flex;align-items:center;gap:.75rem}.stats-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--color-bg-card);border-radius:12px;padding:1.5rem;text-align:center;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border);transition:transform .2s}.stat-card h3{margin:0 0 .5rem;color:var(--color-secondary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.stat-card p{margin:0;color:var(--color-text);font-size:2rem;font-weight:700}.filter-group label{font-weight:500;color:var(--color-text);font-size:.875rem}.filter-select{padding:.75rem;border:1px solid var(--color-border);border-radius:8px;font-size:1rem;background:var(--color-bg-card);color:var(--color-text)}.expenses-list-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.expenses-list-section h2{margin:0 0 1.5rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.no-expenses{text-align:center;padding:3rem;color:var(--color-secondary)}.no-expenses svg{font-size:3rem;margin-bottom:1rem;opacity:.5}.expenses-list{display:flex;flex-direction:column;gap:1rem}.expense-card{background:var(--color-bg);border-radius:12px;padding:1.5rem;border:2px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.expense-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));transform:scaleX(0);transition:transform .3s ease}.expense-card:hover:before{transform:scaleX(1)}.expense-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #00000026;border-color:var(--color-primary)}.expense-card.expense-settled{background:linear-gradient(135deg,var(--color-bg) 0%,rgba(16,185,129,.05) 100%);border:2px solid #10b981;position:relative}.expense-card.expense-settled:after{content:"✓";position:absolute;top:-8px;right:-8px;width:24px;height:24px;background:#10b981;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;box-shadow:0 2px 8px #10b9814d}.expense-card.expense-settled:hover{border-color:#059669;box-shadow:0 8px 25px #10b98133}.expense-info{flex:1;min-width:0}.expense-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.75rem;gap:1rem}.expense-header h3{margin:0;color:var(--color-text);font-size:1.125rem;font-weight:600;line-height:1.4;word-break:break-word;flex:1}.expense-amount-section{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;flex-shrink:0}.expense-amount{color:var(--color-primary);font-weight:700;font-size:1.375rem;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 1px 2px rgba(0,0,0,.1)}.settlement-badge{background:linear-gradient(135deg,#dcfce7,#bbf7d0);color:#166534;padding:.375rem .875rem;border-radius:20px;font-size:.75rem;font-weight:600;display:flex;align-items:center;gap:.375rem;text-transform:uppercase;letter-spacing:.05em;box-shadow:0 2px 8px #10b98133;border:1px solid rgba(16,185,129,.2);animation:badgePulse 2s infinite}@keyframes badgePulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}[data-theme=dark] .settlement-badge{background:linear-gradient(135deg,#166534,#15803d);color:#dcfce7;box-shadow:0 2px 8px #10b9814d}.expense-details{display:flex;gap:1.5rem;flex-wrap:wrap;align-items:center}.expense-details span{display:flex;align-items:center;gap:.375rem;color:var(--color-secondary);font-size:.875rem;padding:.25rem .5rem;border-radius:6px;background:var(--color-bg-card);border:1px solid var(--color-border);transition:all .2s ease}.expense-details span:hover{background:var(--color-primary);color:#fff;transform:translateY(-1px)}.expense-person{color:var(--color-text)!important;font-weight:500;background:var(--color-primary)!important;color:#fff!important}.settlement-info{color:var(--color-secondary)!important;font-style:italic;font-size:.75rem!important;background:#10b9811a!important;border-color:#10b98133!important}.expense-actions{display:flex;gap:.75rem;align-items:center;flex-shrink:0;margin-left:1rem}.expense-actions button{position:relative;overflow:hidden;border-radius:8px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);min-width:36px;min-height:36px;display:flex;align-items:center;justify-content:center;font-size:.875rem;border:none;box-shadow:0 2px 8px #0000001a}.expense-actions button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#ffffff4d;border-radius:50%;transform:translate(-50%,-50%);transition:width .3s ease,height .3s ease}.expense-actions button:hover:before{width:100%;height:100%}.expense-actions button:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 4px 16px #0003}.expense-actions button:active{transform:translateY(0) scale(.95)}.settle-btn{background:linear-gradient(135deg,var(--color-primary) 0%,#3b82f6 100%);color:#fff;font-weight:600}.settle-btn:hover{background:linear-gradient(135deg,#3b82f6,#1d4ed8);box-shadow:0 4px 16px #3b82f666}.edit-btn{background:linear-gradient(135deg,#6b7280,#4b5563);color:#fff;font-weight:600}.edit-btn:hover{background:linear-gradient(135deg,#4b5563,#374151);box-shadow:0 4px 16px #6b728066}.delete-btn{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;font-weight:600}.delete-btn:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);box-shadow:0 4px 16px #ef444466}.expense-actions button:after{content:attr(title);position:absolute;bottom:-40px;left:50%;transform:translate(-50%);background:var(--color-text);color:var(--color-bg);padding:.5rem .75rem;border-radius:6px;font-size:.75rem;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;z-index:1000;pointer-events:none}.expense-actions button:before{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);border:4px solid transparent;border-top-color:var(--color-text);opacity:0;visibility:hidden;transition:all .2s ease;z-index:1000;pointer-events:none}.expense-actions button:hover:after,.expense-actions button:hover:before{opacity:1;visibility:visible}.settlement-modal-content{padding:1.5rem 0}.settlement-details{background:linear-gradient(135deg,var(--color-bg-card) 0%,rgba(59,130,246,.05) 100%);border-radius:12px;padding:2rem;margin-bottom:2rem;border:2px solid var(--color-border);box-shadow:0 4px 16px #0000001a}.settlement-details p{margin:0 0 1rem;color:var(--color-text);display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:var(--color-bg);border-radius:8px;border:1px solid var(--color-border);transition:all .2s ease}.settlement-details p:hover{background:var(--color-primary);color:#fff;transform:translate(4px)}.settlement-details strong{color:var(--color-primary);font-weight:600;transition:color .2s ease}.settlement-details p:hover strong{color:#fff}.settlement-modal-actions button{padding:.75rem 1.5rem;border-radius:8px;font-weight:600;transition:all .3s ease;border:none;cursor:pointer;min-width:120px}.settlement-modal-actions .btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,#3b82f6 100%);color:#fff;box-shadow:0 2px 8px #3b82f64d}.settlement-modal-actions .btn-primary:hover{background:linear-gradient(135deg,#3b82f6,#1d4ed8);transform:translateY(-2px);box-shadow:0 4px 16px #3b82f666}.settlement-modal-actions .btn-secondary{background:linear-gradient(135deg,#6b7280,#4b5563);color:#fff;box-shadow:0 2px 8px #6b72804d}.settlement-modal-actions .btn-secondary:hover{background:linear-gradient(135deg,#4b5563,#374151);transform:translateY(-2px);box-shadow:0 4px 16px #6b728066}.expense-card.loading{opacity:.7;pointer-events:none}.expense-card.loading:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:loadingShimmer 1.5s infinite}@keyframes loadingShimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.settle-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.expense-actions button:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}.expense-actions button:disabled:hover{transform:none!important;box-shadow:none!important}.expense-actions button:disabled:before{display:none}.loading-spinner{text-align:center;padding:3rem;color:var(--color-secondary);font-size:1.125rem}.loading-spinner:before{content:"";display:inline-block;width:24px;height:24px;border:3px solid var(--color-border);border-top:3px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-right:.75rem;vertical-align:middle}@media (max-width: 768px){.expenses-container{padding:1rem}.expenses-header{flex-direction:column;gap:1rem;text-align:center}.expenses-header h1{font-size:2rem}.stats-section{grid-template-columns:repeat(2,1fr)}.filters-grid{grid-template-columns:1fr}.expense-card{flex-direction:column;gap:1.5rem;text-align:center;padding:1.25rem}.expense-header{flex-direction:column;gap:.75rem;width:100%}.expense-amount-section{justify-content:center;width:100%}.expense-details{justify-content:center;gap:1rem;width:100%}.expense-details span{font-size:.8rem;padding:.375rem .75rem}.expense-actions{justify-content:center;flex-wrap:wrap;gap:.5rem;width:100%;margin-left:0}.expense-actions button{min-width:44px;min-height:44px;font-size:1rem}.settlement-modal-actions{flex-direction:column;gap:.75rem}.settlement-modal-actions button{width:100%;min-width:auto}.settlement-details p{flex-direction:column;gap:.5rem;text-align:center}}@media (max-width: 480px){.stats-section{grid-template-columns:1fr}.expense-actions{gap:.375rem}.expense-actions button{min-width:40px;min-height:40px;padding:.5rem}.expense-details{flex-direction:column;gap:.5rem}.expense-details span{justify-content:center}}.expense-actions button:focus{outline:2px solid var(--color-primary);outline-offset:2px}.expense-card:focus-within{outline:2px solid var(--color-primary);outline-offset:2px}.users-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.users-header{text-align:center;margin-bottom:3rem}.users-header h1{font-size:2.5rem;font-weight:700;color:var(--color-text);margin:0 0 .5rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.users-header p{font-size:1.125rem;color:var(--color-secondary);margin:0}.add-user-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.add-user-section h2{margin:0 0 1.5rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.add-user-form{display:flex;gap:1rem;align-items:flex-end}.add-user-form input{flex:1;padding:.75rem;border:1px solid var(--color-border);border-radius:8px;font-size:1rem;background:var(--color-bg-card);color:var(--color-text)}.add-user-form input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.users-list-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.users-list-section h2{margin:0 0 1.5rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.users-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.user-card{background:var(--color-bg);border-radius:8px;padding:1.5rem;border:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;transition:all .2s}.user-card:hover{transform:translateY(-2px);box-shadow:0 8px 15px -3px #0000001a}.user-info{display:flex;align-items:center;gap:1rem}.user-icon{font-size:2rem;color:var(--color-primary)}.user-info h3{margin:0 0 .25rem;color:var(--color-text);font-size:1.125rem}.user-info p{margin:0;color:var(--color-secondary);font-size:.875rem}.delete-btn{padding:.5rem 1rem;font-size:.875rem}.distribution-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.distribution-section h2{margin:0 0 1.5rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.distribution-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.summary-card{background:var(--color-bg);border-radius:8px;padding:1.5rem;text-align:center;border:1px solid var(--color-border)}.summary-card h3{margin:0 0 .5rem;color:var(--color-secondary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.summary-card p{margin:0;color:var(--color-text);font-size:1.5rem;font-weight:700}.distribution-list{display:flex;flex-direction:column;gap:.75rem}.distribution-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--color-bg);border-radius:8px;border:1px solid var(--color-border)}.user-status{font-weight:500;padding:.25rem .75rem;border-radius:4px;font-size:.875rem}@media (max-width: 768px){.users-container{padding:1rem}.users-header h1{font-size:2rem}.add-user-form{flex-direction:column;align-items:stretch}.users-grid{grid-template-columns:1fr}.distribution-item{flex-direction:column;gap:.5rem;text-align:center}}.contributions-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.contributions-header{text-align:center;margin-bottom:3rem}.contributions-header h1{font-size:2.5rem;font-weight:700;color:var(--color-text);margin:0 0 .5rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.contributions-header p{font-size:1.125rem;color:var(--color-secondary);margin:0}.month-filter-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.month-filter-section h2{margin:0 0 1rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.month-select{padding:.75rem;border:1px solid var(--color-border);border-radius:8px;font-size:1rem;background:var(--color-bg-card);color:var(--color-text);min-width:200px}.month-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.summary-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:3rem}.distribution-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.distribution-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.distribution-header h2{margin:0;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.distribution-actions{display:flex;gap:.75rem;flex-wrap:wrap}.distribution-table{background:var(--color-bg);border-radius:8px;overflow:hidden;border:1px solid var(--color-border)}.table-header{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.5fr 1fr;gap:1rem;padding:1rem;background:var(--color-bg-card);border-bottom:1px solid var(--color-border);font-weight:600;color:var(--color-text)}.table-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.5fr 1fr;gap:1rem;padding:1rem;border-bottom:1px solid var(--color-border);transition:background-color .2s;align-items:center}.table-row:last-child{border-bottom:none}.table-row:hover{background:var(--color-bg-card)}.user-name{font-weight:500;color:var(--color-text)}.user-total{color:var(--color-secondary);font-weight:500}.user-settlements{font-weight:500;color:var(--color-primary)}.user-balance{font-weight:600}.user-balance.positive{color:#10b981}.user-balance.negative{color:#ef4444}.user-balance.neutral{color:var(--color-secondary)}.user-status{font-weight:500;padding:.25rem .75rem;border-radius:4px;font-size:.875rem;text-align:center}.user-status.receives{background:#dcfce7;color:#166534}.user-status.pays{background:#fef2f2;color:#dc2626}.user-status.balanced{background:#f3f4f6;color:#374151}[data-theme=dark] .user-status.receives{background:#166534;color:#dcfce7}[data-theme=dark] .user-status.pays{background:#dc2626;color:#fef2f2}[data-theme=dark] .user-status.balanced{background:#374151;color:#f3f4f6}.settlement-actions{display:flex;justify-content:center}.no-users{text-align:center;padding:3rem;color:var(--color-secondary)}.no-users svg{font-size:3rem;margin-bottom:1rem;opacity:.5}.no-users h3{margin:0 0 .5rem;color:var(--color-text)}.no-users p{margin:0;font-size:1.125rem}.settlement-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.settlement-section h2{margin:0 0 1rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.settlement-info{background:var(--color-bg);border-radius:8px;padding:1.5rem;border:1px solid var(--color-border)}.settlement-info p{margin:0 0 1rem;color:var(--color-text);line-height:1.6}.settlement-info p:last-child{margin-bottom:0}.settlement-info strong{color:var(--color-primary)}.settlement-modal-content{padding:1rem 0}.settlement-details{background:var(--color-bg-card);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem;border:1px solid var(--color-border)}.settlement-details p{margin:0 0 .75rem;color:var(--color-text);display:flex;justify-content:space-between;align-items:center}.settlement-details p:last-child{margin-bottom:0}.settlement-details strong{color:var(--color-primary);font-weight:600}.settlement-modal-actions{display:flex;gap:1rem;justify-content:flex-end}.settlement-history-content{max-height:400px;overflow-y:auto}.settlement-item{background:var(--color-bg-card);border-radius:8px;padding:1rem;border:1px solid var(--color-border);transition:transform .2s}.settlement-item:hover{transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.settlement-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.settlement-users{font-weight:600;color:var(--color-text);font-size:1.1rem}.settlement-amount{font-weight:700;color:var(--color-primary);font-size:1.1rem}.settlement-details{display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.settlement-description{color:var(--color-secondary);font-style:italic}.settlement-date{color:var(--color-secondary);font-weight:500}@media (max-width: 768px){.contributions-container{padding:1rem}.contributions-header h1{font-size:2rem}.summary-stats{grid-template-columns:1fr}.distribution-header{flex-direction:column;align-items:stretch}.distribution-actions{justify-content:center}.table-header,.table-row{grid-template-columns:1fr;gap:.5rem;text-align:center}.table-header{display:none}.table-row{border:1px solid var(--color-border);border-radius:8px;margin-bottom:1rem;padding:1.5rem}.user-status{justify-self:center;max-width:150px}.settlement-actions{justify-self:center}.settlement-modal-actions{flex-direction:column}.settlement-info,.settlement-details{flex-direction:column;gap:.5rem;text-align:center}}.settlement-history-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.settlement-history-header{text-align:center;margin-bottom:3rem}.settlement-history-header h1{font-size:2.5rem;font-weight:700;color:var(--color-text);margin:0 0 .5rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.settlement-history-header p{font-size:1.125rem;color:var(--color-secondary);margin:0}.filters-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.filters-section h2{margin:0 0 1.5rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.filters-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.filter-group{display:flex;flex-direction:column;gap:.5rem}.filter-group label{font-weight:600;color:var(--color-text);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.filter-select{padding:.75rem;border:1px solid var(--color-border);border-radius:8px;font-size:1rem;background:var(--color-bg-card);color:var(--color-text);transition:border-color .2s,box-shadow .2s}.filter-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.stats-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:3rem}.stat-card{background:var(--color-bg-card);border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border);display:flex;align-items:center;gap:1rem;transition:transform .2s}.stat-card:hover{transform:translateY(-2px)}.stat-icon{width:50px;height:50px;background:var(--color-primary);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem}.stat-content h3{margin:0 0 .25rem;color:var(--color-secondary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.stat-content p{margin:0;color:var(--color-text);font-size:1.5rem;font-weight:700}.settlements-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.settlements-section h2{margin:0 0 1.5rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem}.settlements-list{display:flex;flex-direction:column;gap:1rem}.settlement-card{background:var(--color-bg);border-radius:12px;padding:1.5rem;border:1px solid var(--color-border);transition:transform .2s,box-shadow .2s}.settlement-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.settlement-main{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.settlement-users{display:flex;align-items:center;gap:.75rem;font-size:1.1rem;font-weight:600}.from-user{color:#ef4444;background:#fef2f2;padding:.25rem .75rem;border-radius:6px;font-size:.875rem}.to-user{color:#10b981;background:#dcfce7;padding:.25rem .75rem;border-radius:6px;font-size:.875rem}.arrow{color:var(--color-secondary);font-weight:700;font-size:1.2rem}[data-theme=dark] .from-user{background:#dc2626;color:#fef2f2}[data-theme=dark] .to-user{background:#166534;color:#dcfce7}.settlement-amount{font-size:1.5rem;font-weight:700;color:var(--color-primary)}.settlement-details{display:flex;justify-content:space-between;align-items:center;gap:1rem}.settlement-info{display:flex;flex-direction:column;gap:.5rem;flex:1}.settlement-description{color:var(--color-secondary);font-style:italic;font-size:.875rem}.settlement-date{color:var(--color-secondary);font-size:.875rem;display:flex;align-items:center;gap:.5rem}.settlement-actions{display:flex;gap:.5rem}.btn-sm{padding:.5rem .75rem;font-size:.875rem;min-height:32px;min-width:32px}.no-settlements{text-align:center;padding:3rem;color:var(--color-secondary)}.no-settlements svg{font-size:3rem;margin-bottom:1rem;opacity:.5}.no-settlements h3{margin:0 0 .5rem;color:var(--color-text)}.no-settlements p{margin:0;font-size:1.125rem}@media (max-width: 768px){.settlement-history-container{padding:1rem}.settlement-history-header h1{font-size:2rem}.filters-grid,.stats-section{grid-template-columns:1fr}.settlement-main{flex-direction:column;gap:1rem;text-align:center}.settlement-users{flex-direction:column;gap:.5rem}.settlement-details{flex-direction:column;gap:1rem;text-align:center}.settlement-info{text-align:center}.settlement-actions{justify-content:center}}@media (max-width: 480px){.settlement-card{padding:1rem}.settlement-amount{font-size:1.25rem}.settlement-users{font-size:1rem}}.settings-container{max-width:800px;margin:0 auto;padding:2rem 1rem}.settings-header{text-align:center;margin-bottom:3rem}.settings-header h1{font-size:2.5rem;font-weight:700;color:var(--color-text);margin:0 0 .5rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.settings-header p{font-size:1.125rem;color:var(--color-secondary);margin:0}.settings-section{background:var(--color-bg-card);border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000001a;border:1px solid var(--color-border)}.settings-section h2{margin:0 0 1.5rem;color:var(--color-text);display:flex;align-items:center;gap:.5rem;font-size:1.25rem}.settings-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500;color:var(--color-text);font-size:.875rem}.form-group input{padding:.75rem;border:1px solid var(--color-border);border-radius:8px;font-size:1rem;background:var(--color-bg-card);color:var(--color-text);transition:all .2s}.form-group input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.settings-actions{display:flex;gap:1rem;flex-wrap:wrap}.preference-item{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--color-border)}.preference-item:last-child{border-bottom:none}.preference-info h3{margin:0 0 .25rem;color:var(--color-text);font-size:1rem}.preference-info p{margin:0;color:var(--color-secondary);font-size:.875rem}.theme-toggle-switch{position:relative;width:50px;height:25px;background:var(--color-border);border-radius:12px;border:none;cursor:pointer;transition:all .3s;padding:0}.theme-toggle-switch.active{background:var(--color-primary)}.toggle-slider{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:all .3s;box-shadow:0 2px 4px #0003}.theme-toggle-switch.active .toggle-slider{transform:translate(26px)}.password-form{display:flex;flex-direction:column;gap:1rem}.password-input{position:relative;display:flex;align-items:center}.password-input input{flex:1;padding-right:3rem}.password-toggle{position:absolute;right:.75rem;background:none;border:none;color:var(--color-secondary);cursor:pointer;padding:.25rem;border-radius:4px;transition:color .2s}.password-toggle:hover{color:var(--color-text)}.loading-spinner{text-align:center;padding:3rem;color:var(--color-secondary)}.avatar-upload{display:flex;flex-direction:column;align-items:center;margin-bottom:1.2rem}.profile-card{display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:2rem;background:var(--color-bg-card);border-radius:16px;box-shadow:0 2px 8px #00000014;padding:2rem 1rem 1.5rem}.profile-avatar-ring{display:flex;align-items:center;justify-content:center;background:#3b82f6;border-radius:50%;padding:6px;margin-bottom:.75rem;box-shadow:0 0 0 4px #3b82f6}.profile-avatar{width:90px;height:90px;object-fit:cover;border-radius:50%;border:3px solid #fff;background:#222;box-shadow:0 2px 8px #0000001a}.profile-info{display:flex;flex-direction:column;align-items:center;gap:.25rem}.profile-name{font-size:1.25rem;font-weight:600;color:var(--color-text);margin-bottom:.1rem}.profile-email{font-size:1rem;color:var(--color-secondary);margin-bottom:.5rem;word-break:break-all}.add-photo-btn{display:inline-block;padding:6px 16px;background:#6c63ff;color:#fff;border-radius:6px;font-size:1rem;cursor:pointer;font-weight:500;transition:background .18s}.add-photo-btn:hover{background:#554ee0}.uploading-text{color:#6c63ff;font-size:.95rem;margin-bottom:6px}@media (max-width: 768px){.settings-container{padding:1rem}.settings-header h1{font-size:2rem}.settings-section{padding:1.5rem}.settings-actions{flex-direction:column}.preference-item{flex-direction:column;gap:1rem;align-items:flex-start}}