@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--font-heading:"Outfit", sans-serif;--font-body:"Inter", sans-serif;--font-mono:"JetBrains Mono", monospace;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--space-2xl:32px;--space-3xl:48px;--space-4xl:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:50%;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-spring:cubic-bezier(.34, 1.56, .64, 1);--duration-fast:.15s;--duration-normal:.25s;--duration-slow:.4s;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001f;--shadow-lg:0 8px 30px #00000029;--shadow-xl:0 20px 60px #0003;--green:#10b77f;--green-light:#25d097;--green-bg:#10b77f1f;--red:#e4453a;--red-light:#e9675d;--red-bg:#e4453a1f;--coral:#f1724b;--coral-bg:#f1724b1f;--blue:#3d9eff;--blue-bg:#3d9eff1f;--gold:#f6b828;--gold-bg:#f6b8281f;--purple:#9e54e8;--purple-bg:#9e54e81f;--z-base:0;--z-dropdown:100;--z-sticky:200;--z-overlay:300;--z-modal:400;--z-toast:500;--bottom-nav-height:72px;--header-height:56px;--max-width:480px;--sidebar-width:280px}[data-theme=dark]{--bg-primary:#0b0d13;--bg-secondary:#14171f;--bg-tertiary:#1d202a;--bg-elevated:#272a35;--bg-glass:#1d202bbf;--bg-glass-border:#ffffff0f;--bg-hover:#ffffff0a;--bg-active:#ffffff14;--text-primary:#f2f2f2;--text-secondary:#878da1;--text-tertiary:#575c6b;--text-inverse:#0b0d13;--border-primary:#ffffff14;--border-secondary:#ffffff0a;--shadow-color:#0000004d;--gradient-hero:linear-gradient(135deg, #0f1219 0%, #181825 50%, #0f1219 100%);--gradient-card:linear-gradient(135deg, #29a37a14, #1a80e60d);--gradient-accent:linear-gradient(135deg, 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var(--ease-out);line-height:1.5;overflow-x:hidden}#root{min-height:100dvh}a{color:inherit;text-decoration:none}button{cursor:pointer;font:inherit;color:inherit;background:0 0;border:none}input,textarea,select{font:inherit;color:inherit}ul,ol{list-style:none}img{max-width:100%;display:block}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:-.02em;font-weight:600;line-height:1.2}h1{font-size:2rem;font-weight:700}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.1rem}.text-sm{font-size:.8125rem}.text-xs{font-size:.75rem}.text-lg{font-size:1.125rem}.text-muted{color:var(--text-secondary)}.text-center{text-align:center}.text-right{text-align:right}.amount{font-family:var(--font-mono);letter-spacing:-.02em;font-weight:600}.amount-positive{color:var(--green)}.amount-negative{color:var(--red)}.amount-neutral{color:var(--text-secondary)}.glass-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);border:1px solid 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var(--space-2xl);font-size:1rem}.btn--full{width:100%}.btn--icon{border-radius:var(--radius-full);width:40px;height:40px;padding:0}.btn:disabled{opacity:.4;pointer-events:none}.input-group{gap:var(--space-sm);flex-direction:column;display:flex}.input-group label{color:var(--text-secondary);font-size:.8125rem;font-weight:500;font-family:var(--font-heading)}.input{width:100%;padding:var(--space-md) var(--space-lg);background:var(--bg-tertiary);border:1.5px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);transition:border-color var(--duration-fast), box-shadow var(--duration-fast);outline:none;font-size:.9375rem}.input:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--green-bg)}.input::placeholder{color:var(--text-tertiary)}.input--lg{padding:var(--space-lg) 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(width>=1200px){.hide-wide{display:none!important}}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.gap-2xl{gap:var(--space-2xl)}.flex-1{flex:1}.w-full{width:100%}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.relative{position:relative}.suggestion-item{transition:background var(--duration-fast)}.suggestion-item:hover{background:var(--bg-hover)}.bottom-nav{height:var(--bottom-nav-height);background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--bg-glass-border);padding:0 var(--space-sm);padding-bottom:env(safe-area-inset-bottom,0);z-index:var(--z-sticky);justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav__item{padding:var(--space-sm) 0;color:var(--text-tertiary);transition:color var(--duration-fast) var(--ease-out);-webkit-tap-highlight-color:transparent;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;text-decoration:none;display:flex}.bottom-nav__item--active{color:var(--green)}.bottom-nav__icon{font-size:1.25rem;line-height:1}.bottom-nav__label{font-size:.625rem;font-weight:500;font-family:var(--font-heading);letter-spacing:.02em}.bottom-nav__item--fab{position:relative;transform:translateY(-8px)}.bottom-nav__fab{border-radius:var(--radius-full);background:var(--gradient-accent);width:52px;height:52px;transition:transform var(--duration-fast) var(--ease-spring), box-shadow var(--duration-fast);justify-content:center;align-items:center;display:flex;box-shadow:0 4px 20px #10b77f59}.bottom-nav__item--fab:active .bottom-nav__fab{transform:scale(.92)}.bottom-nav__fab-icon{filter:brightness(1.1);font-size:1.4rem;line-height:1}@media (width>=768px){.bottom-nav{width:80px;height:100dvh;padding:var(--space-xl) 0;justify-content:flex-start;gap:var(--space-md);border-top:none;border-right:1px solid var(--bg-glass-border);background:var(--bg-secondary);flex-direction:column;position:sticky;top:0;left:0}.bottom-nav__item{width:100%;padding:var(--space-md) 0;border-radius:0;flex:0}.bottom-nav__item--active{background:var(--bg-active);color:var(--green);border-right:3px solid var(--green)}.bottom-nav__item--fab{margin-bottom:var(--space-xl);order:-1;transform:none}.bottom-nav__fab{width:48px;height:48px}.bottom-nav__label{display:none}}.app-shell{flex-direction:column;max-width:100%;min-height:100dvh;display:flex;overflow-x:hidden}.app-main{padding-bottom:calc(var(--bottom-nav-height) + 24px);width:100%;max-width:var(--max-width);flex:1;margin:0 auto}.app-main--full{max-width:100%;padding-bottom:0}@media (width>=768px){.app-shell{flex-direction:row}.app-main{max-width:640px;padding-bottom:0;padding-left:var(--space-xl);padding-right:var(--space-xl);margin:0 auto}.app-main--full{max-width:100%;padding:0}}@media (width>=1200px){.app-main{max-width:720px}}.welcome{min-height:100dvh;padding:calc(var(--space-2xl) + env(safe-area-inset-top,0px)) var(--space-xl) var(--space-2xl);max-width:var(--max-width);flex-direction:column;margin:0 auto;display:flex}.welcome__hero{text-align:center;padding:var(--space-4xl) 0 var(--space-2xl)}.welcome__logo{margin-bottom:var(--space-lg);filter:drop-shadow(0 4px 20px #10b77f4d);font-size:4rem;display:inline-block}.welcome__title{font-family:var(--font-heading);background:var(--gradient-accent);-webkit-text-fill-color:transparent;letter-spacing:-.03em;margin-bottom:var(--space-sm);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:800}.welcome__subtitle{color:var(--text-secondary);max-width:320px;margin:0 auto;font-size:1rem;line-height:1.6}.welcome__features{gap:var(--space-lg);padding:var(--space-xl) 0;flex-direction:column;display:flex}.welcome__feature{align-items:flex-start;gap:var(--space-lg);padding:var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);transition:transform var(--duration-fast) var(--ease-out);display:flex}.welcome__feature:hover{transform:translate(4px)}.welcome__feature-icon{background:var(--bg-tertiary);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.5rem;display:flex}.welcome__feature h3{margin-bottom:2px;font-size:.9375rem;font-weight:600}.welcome__feature p{color:var(--text-secondary);font-size:.8125rem}.welcome__actions{gap:var(--space-md);padding:var(--space-xl) 0;flex-direction:column;margin-top:auto;display:flex}.welcome__form{gap:var(--space-xl);padding:var(--space-lg) 0;flex-direction:column;display:flex}.welcome__form h2{font-size:1.5rem;font-weight:700}.welcome__back{color:var(--text-secondary);padding:var(--space-sm) 0;transition:color var(--duration-fast);align-self:flex-start;font-size:.9375rem}.welcome__back:hover{color:var(--text-primary)}.emoji-picker{gap:var(--space-sm);flex-wrap:wrap;display:flex}.emoji-picker__item{border-radius:var(--radius-md);background:var(--bg-tertiary);width:44px;height:44px;transition:all var(--duration-fast) var(--ease-out);border:2px solid #0000;justify-content:center;align-items:center;font-size:1.25rem;display:flex}.emoji-picker__item--active{border-color:var(--green);background:var(--green-bg);transform:scale(1.1)}.emoji-picker__item:hover{background:var(--bg-elevated)}.member-chips{gap:var(--space-sm);margin-top:var(--space-sm);flex-wrap:wrap;display:flex}.chip__remove{opacity:.7;transition:opacity var(--duration-fast);font-size:1rem;line-height:1}.chip__remove:hover{opacity:1}@media (width>=768px){.welcome{justify-content:center;max-width:500px}}.dashboard{padding:var(--space-lg);padding-top:var(--space-2xl)}.dashboard__header{margin-bottom:var(--space-xl)}.dashboard__greeting h1{margin-top:var(--space-xs);font-size:1.75rem;font-weight:700}.dashboard__summary{margin-bottom:var(--space-2xl);background:var(--gradient-card);border:1px solid var(--bg-glass-border)}.dashboard__summary-header{margin-bottom:var(--space-lg);justify-content:space-between;align-items:center;display:flex}.dashboard__summary-header h3{color:var(--text-secondary);font-size:.875rem;font-weight:500}.dashboard__net-amount{font-size:1.5rem}.dashboard__summary-row{align-items:center;gap:var(--space-lg);display:flex}.dashboard__summary-item{gap:var(--space-xs);flex-direction:column;flex:1;display:flex}.dashboard__summary-label{color:var(--text-secondary);font-size:.75rem}.dashboard__summary-divider{background:var(--border-primary);width:1px;height:36px}.dashboard__section{margin-bottom:var(--space-2xl)}.dashboard__section h2{margin-bottom:var(--space-lg);font-size:1.125rem;font-weight:600}.dashboard__groups{gap:var(--space-md);flex-direction:column;display:flex}.group-card{align-items:center;gap:var(--space-md);width:100%;padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-secondary);border:1px solid var(--border-primary);text-align:left;transition:all var(--duration-fast) var(--ease-out);display:flex}.group-card:hover{background:var(--bg-tertiary);transform:translate(4px)}.group-card:active{transform:scale(.98)}.group-card__icon{background:var(--bg-tertiary);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.75rem;display:flex}.group-card__info{flex:1;min-width:0}.group-card__name{white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:600;overflow:hidden}.group-card__meta{color:var(--text-secondary);margin-top:2px;font-size:.75rem}.group-card__balance{text-align:right;flex-shrink:0;font-size:.875rem}.header{padding:var(--space-lg);padding-top:calc(var(--space-lg) + env(safe-area-inset-top,0));align-items:center;gap:var(--space-md);background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);z-index:var(--z-sticky);border-bottom:1px solid var(--bg-glass-border);display:flex;position:sticky;top:0}.header--transparent{-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border-bottom:none}.header__left,.header__right{flex-shrink:0;width:40px}.header__center{text-align:center;flex:1;min-width:0}.header__title{font-size:1.1rem;font-weight:600;font-family:var(--font-heading);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.header__subtitle{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.header__back,.header__action{border-radius:var(--radius-full);width:36px;height:36px;color:var(--text-primary);transition:background var(--duration-fast);justify-content:center;align-items:center;font-size:1.1rem;display:flex}.header__back:hover,.header__action:hover{background:var(--bg-hover)}@media (width>=768px){.header{padding-left:calc(72px + 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var(--duration-fast);justify-content:center;align-items:center;font-size:.875rem;display:flex}.member-pill--add:hover span{border-color:var(--green);color:var(--green)}.expense-list{gap:var(--space-sm);flex-direction:column;display:flex}.expense-item{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-radius:var(--radius-md);text-align:left;width:100%;transition:background 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var(--border-secondary);display:flex}.balance-item__name{flex:1;font-weight:500}.settle-list{gap:var(--space-md);flex-direction:column;display:flex}.settle-item{gap:var(--space-md);padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-secondary);border:1px solid var(--border-primary);flex-direction:column;display:flex}.settle-item__people{align-items:center;gap:var(--space-md);justify-content:center;display:flex}.settle-item__arrow{color:var(--text-tertiary);font-size:1.25rem}.settle-item__info{align-items:center;gap:var(--space-xs);flex-direction:column;display:flex}.settle-item__names{color:var(--text-secondary);font-size:.8125rem}.settle-history{gap:var(--space-sm);flex-direction:column;display:flex}.settle-history-item{justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-md);border-left:2px solid var(--green);padding-left:var(--space-lg);display:flex}.group-fab{bottom:calc(var(--bottom-nav-height) + var(--space-xl));right:var(--space-xl);border-radius:var(--radius-full);background:var(--gradient-accent);color:#fff;width:56px;height:56px;z-index:var(--z-dropdown);transition:transform var(--duration-fast) var(--ease-spring);justify-content:center;align-items:center;font-size:1.5rem;display:flex;position:fixed;box-shadow:0 6px 24px #10b77f66}.group-fab:active{transform:scale(.9)}@media (width>=768px){.group-fab{right:calc(50% - 320px + var(--space-xl));bottom:var(--space-2xl)}.group-page{padding-bottom:80px}}.add-expense{padding-bottom:var(--bottom-nav-height)}.add-expense__form{padding:var(--space-lg);gap:var(--space-xl);flex-direction:column;display:flex}.amount-wrapper{width:100%;position:relative}.amount-input-group{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-2xl) 0;display:flex}.btn-scan{right:var(--space-lg);background:var(--bg-tertiary);border:1.5px solid var(--border-primary);cursor:pointer;width:44px;height:44px;transition:all 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#0000;border-radius:100px;font-size:.8125rem;font-weight:500;display:flex}.payer-option--active{border-color:var(--green);background:var(--green-bg)}.split-type-selector{gap:var(--space-sm);grid-template-columns:repeat(4,1fr);display:grid}.split-type-btn{align-items:center;gap:var(--space-xs);padding:var(--space-md);border-radius:var(--radius-md);background:var(--bg-tertiary);transition:all var(--duration-fast);border:1.5px solid #0000;flex-direction:column;display:flex}.split-type-btn--active{border-color:var(--green);background:var(--green-bg);color:var(--green)}.split-type-icon{font-size:1.25rem;font-weight:700;font-family:var(--font-mono)}.split-members{gap:var(--space-sm);flex-direction:column;display:flex}.split-member{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);transition:background 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var(--space-sm);text-align:center;flex-shrink:0;font-size:.8125rem}.split-member__amount{text-align:right;min-width:60px;color:var(--text-secondary);flex-shrink:0}.expense-detail__content{padding:var(--space-lg);gap:var(--space-xl);flex-direction:column;display:flex}.expense-detail__hero{align-items:center;gap:var(--space-md);padding:var(--space-2xl) 0;text-align:center;flex-direction:column;display:flex}.expense-detail__cat-icon{border-radius:var(--radius-lg);justify-content:center;align-items:center;width:64px;height:64px;font-size:2rem;display:flex}.expense-detail__info{padding:var(--space-lg);border-radius:var(--radius-lg);gap:var(--space-md);flex-direction:column;display:flex}.expense-detail__row{justify-content:space-between;align-items:center;font-size:.9375rem;display:flex}.expense-detail__splits h3{margin-bottom:var(--space-md);font-size:1rem}.split-breakdown{gap:var(--space-sm);flex-direction:column;display:flex}.split-breakdown__item{align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-md);font-size:.875rem;display:flex}.charts-page{padding-bottom:var(--bottom-nav-height)}.charts-content{padding:var(--space-lg);gap:var(--space-2xl);flex-direction:column;display:flex}.chart-total{align-items:center;gap:var(--space-xs);padding:var(--space-2xl);text-align:center;background:var(--gradient-card);border:1px solid var(--bg-glass-border);border-radius:var(--radius-lg);flex-direction:column;display:flex}.chart-section h3{margin-bottom:var(--space-lg);color:var(--text-secondary);font-size:1rem}.category-bars{gap:var(--space-lg);flex-direction:column;display:flex}.cat-bar-item{gap:var(--space-xs);flex-direction:column;display:flex}.cat-bar-header{justify-content:space-between;font-size:.875rem;font-weight:500;display:flex}.cat-bar-track{background:var(--bg-tertiary);border-radius:4px;height:8px;overflow:hidden}.cat-bar-fill{height:100%;transition:width .8s var(--ease-out);border-radius:4px;min-width:4px}.monthly-chart{align-items:flex-end;gap:var(--space-md);height:200px;padding:var(--space-lg) 0;display:flex;overflow-x:auto}.monthly-bar-col{align-items:center;gap:var(--space-xs);flex-direction:column;flex:1;min-width:48px;display:flex}.monthly-bar-wrapper{background:var(--bg-tertiary);border-radius:var(--radius-sm);align-items:flex-end;width:32px;height:140px;display:flex;overflow:hidden}.monthly-bar{background:var(--gradient-accent);border-radius:var(--radius-sm);width:100%;transition:height .8s var(--ease-out);min-height:4px}.member-bars{gap:var(--space-md);flex-direction:column;display:flex}.member-bar-item{align-items:center;gap:var(--space-md);display:flex}.member-bar-track{background:var(--bg-tertiary);border-radius:4px;height:8px;overflow:hidden}.member-bar-fill{height:100%;transition:width .8s var(--ease-out);border-radius:4px;min-width:4px}.activity-page{padding-bottom:var(--bottom-nav-height)}.activity-list{flex-direction:column;display:flex}.activity-item{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);text-align:left;width:100%;transition:background var(--duration-fast);border-bottom:1px solid var(--border-secondary);display:flex}.activity-item:hover{background:var(--bg-hover)}.activity-item__icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.1rem;display:flex}.activity-item__info{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.activity-item__desc{white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:500;overflow:hidden}.activity-item__meta{color:var(--text-secondary);font-size:.6875rem}.activity-item__right{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:2px;display:flex}.settings-page{padding-bottom:var(--bottom-nav-height)}.settings-content{padding:var(--space-lg);gap:var(--space-2xl);flex-direction:column;display:flex}.settings-section h3{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-md);font-size:.8125rem;font-weight:600}.settings-item{padding:var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;font-size:.9375rem;display:flex}.settings-item--btn{text-align:left;width:100%;transition:background var(--duration-fast);cursor:pointer}.settings-item--btn:hover{background:var(--bg-tertiary)}.settings-item--danger{border-color:var(--red-bg)}.settings-item--danger:hover{background:var(--red-bg)}.settings-about{align-items:center;gap:var(--space-xs);padding:var(--space-2xl);opacity:.7;flex-direction:column;display:flex}