:root{--bg-primary: #141610;--bg-secondary: #1C1E18;--bg-card: #1E2018;--bg-card-hover: #252820;--bg-hover: #252820;--bg-input: #141610;--bg-modal: #1C1E18;--border-color: rgba(90, 120, 78, .28);--border-subtle: rgba(90, 120, 78, .12);--border-normal: rgba(90, 120, 78, .28);--border-strong: rgba(90, 120, 78, .55);--text-primary: #E0EDDA;--text-secondary: #889080;--text-muted: #586050;--accent-blue: #70A882;--accent-blue-dim: rgba(112, 168, 130, .15);--accent-purple: #A0C8A8;--accent-purple-dim: rgba(160, 200, 168, .15);--accent-green: #70A882;--accent-green-dim: rgba(112, 168, 130, .15);--accent-red: #CC7060;--accent-red-dim: rgba(204, 112, 96, .15);--accent-orange: #C8A050;--accent-yellow: #D4B870;--bg-chip: #1E2018;--bg-chip-icon: #283028;--gradient-blue: linear-gradient(135deg, #1E2E22 0%, #162018 100%);--gradient-purple: linear-gradient(135deg, #202A1E 0%, #181E14 100%);--gradient-green: linear-gradient(135deg, #1A2E1E 0%, #141E12 100%);--gradient-orange: linear-gradient(135deg, #2C2212 0%, #1E1808 100%);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-glow-blue: 0 0 20px rgba(112, 168, 130, .25);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--font-sans: "Space Mono", "Courier New", monospace;--font-mono: "Space Mono", "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.4rem;--font-size-3xl: 1.875rem;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--header-height: 64px;--max-width: 1200px;--panel-gap: 20px}[data-theme=light]{--bg-primary: #ECECE6;--bg-secondary: #E4E4DE;--bg-card: #F5F5F0;--bg-card-hover: #EEEEE8;--bg-hover: #E4E4DC;--bg-input: #ECECE6;--bg-modal: #F5F5F0;--border-color: rgba(50, 72, 40, .17);--border-subtle: rgba(50, 72, 40, .09);--border-normal: rgba(50, 72, 40, .17);--border-strong: rgba(50, 72, 40, .38);--text-primary: #1A1C18;--text-secondary: #5E6560;--text-muted: #9A9E98;--accent-blue: #3E6E50;--accent-blue-dim: rgba(62, 110, 80, .12);--accent-purple: #5A9070;--accent-purple-dim: rgba(90, 144, 112, .12);--accent-green: #3E6E50;--accent-green-dim: rgba(62, 110, 80, .12);--accent-red: #A83838;--accent-red-dim: rgba(168, 56, 56, .12);--accent-orange: #B08034;--accent-yellow: #C49040;--bg-chip: #EAEAE3;--bg-chip-icon: #D8DFDA;--gradient-blue: linear-gradient(135deg, #D4E8DA 0%, #E6F0E8 100%);--gradient-purple: linear-gradient(135deg, #D8E8D4 0%, #EAF0E6 100%);--gradient-green: linear-gradient(135deg, #CCE8D0 0%, #E0F0E4 100%);--gradient-orange: linear-gradient(135deg, #EEE4C4 0%, #F6EDD6 100%);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .07);--shadow-md: 0 4px 16px rgba(0, 0, 0, .09);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .11);--shadow-glow-blue: 0 0 20px rgba(62, 110, 80, .15)}[dir=rtl]{--font-sans: "IBM Plex Sans Hebrew", "Arial Hebrew", sans-serif;--font-mono: "IBM Plex Sans Hebrew", "Arial Hebrew", sans-serif}[dir=rtl] .header-name,[dir=rtl] .title-letter,[dir=rtl] .stat-card__value,[dir=rtl] .balance-amount,[dir=rtl] .expense-amount,[dir=rtl] .settlement-amount,[dir=rtl] .chart-bar-amount,[dir=rtl] .chart-legend-value,[dir=rtl] .chart-legend-pct{font-family:Space Mono,Courier New,monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--font-size-base);line-height:1.5;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color var(--transition-slow),color var(--transition-slow);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}ul,ol{list-style:none}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}img,svg{display:block;max-width:100%}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}p{line-height:1.6}dialog{border:none;padding:0;background:transparent;max-width:100vw;max-height:100vh}dialog::backdrop{background:#0009;backdrop-filter:blur(4px)}:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px;border-radius:var(--radius-sm)}::selection{background:var(--accent-blue-dim);color:var(--accent-blue)}[dir=rtl]{text-align:right}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:100;height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);background:#141610e0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);gap:var(--space-md);direction:ltr}[data-theme=light] .app-header{background:#ecece6e0}.header-brand{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.header-logo{font-size:1.5rem;line-height:1}.header-name{font-size:var(--font-size-xl);font-weight:700;letter-spacing:.01em;color:var(--accent-blue);user-select:none}.header-controls{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.precision-btn{display:flex;align-items:center;gap:4px;font-size:.75rem;padding:6px 10px}.precision-badge{font-size:.7rem;font-weight:700;font-variant-numeric:tabular-nums;opacity:.75;letter-spacing:-.02em}.app-main{flex:1;max-width:var(--max-width);width:100%;margin:0 auto;padding:var(--space-xl) var(--space-lg) var(--space-2xl);display:flex;flex-direction:column;gap:var(--space-xl)}.event-hero{padding:var(--space-lg) var(--space-xl);background:var(--bg-card);border:1px solid var(--border-normal);border-radius:var(--radius-xl);box-shadow:var(--shadow-md)}.event-info{flex:1;min-width:0}.event-title-row{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-xs)}.event-edit-btn,.event-reset-btn,.event-insights-btn{opacity:.5;flex-shrink:0}.event-edit-btn:hover,.event-reset-btn:hover,.event-insights-btn:hover{opacity:1}.event-name{font-size:var(--font-size-2xl);font-weight:700;color:var(--text-primary);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.event-meta{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-md);color:var(--text-secondary);font-size:var(--font-size-sm)}.event-date{display:flex;align-items:center;gap:var(--space-xs)}.event-description{color:var(--text-muted);font-style:italic}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-sm)}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--panel-gap);align-items:start}.column{display:flex;flex-direction:column;gap:var(--panel-gap)}.panel{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.panel:hover{border-color:var(--border-normal)}.panel__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:#5a784e0d;gap:var(--space-sm)}.panel__title{font-size:var(--font-size-base);font-weight:600;color:var(--text-primary)}.panel__body{padding:var(--space-md) var(--space-lg)}@media (max-width: 900px){.summary-grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}.app-main{padding:var(--space-md) var(--space-md) var(--space-xl);gap:var(--space-lg)}}@media (max-width: 480px){.summary-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.app-header{padding:0 var(--space-md)}.event-hero{padding:var(--space-md)}.event-name{font-size:var(--font-size-xl)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:8px 16px;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:500;line-height:1;cursor:pointer;border:none;transition:background var(--transition-fast),color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);white-space:nowrap;user-select:none}.btn:active{transform:scale(.97)}.btn svg{flex-shrink:0}[dir=rtl] .btn:not(.btn--icon){flex-direction:row-reverse}.btn:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.btn--primary{background:var(--accent-blue);color:#fff}.btn--primary:hover{background:color-mix(in srgb,var(--accent-blue) 82%,#000 18%);box-shadow:var(--shadow-glow-blue)}.btn--secondary{background:var(--bg-card-hover);color:var(--text-secondary);border:1px solid var(--border-normal)}.btn--secondary:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-strong)}.btn--ghost{background:transparent;color:var(--text-secondary)}.btn--ghost:hover{background:var(--bg-card-hover);color:var(--text-primary)}.btn--danger{background:transparent;color:var(--text-secondary)}.btn--danger:hover{background:var(--accent-red-dim);color:var(--accent-red)}.btn--icon{padding:6px;border-radius:var(--radius-sm);width:30px;height:30px}.btn--sm{padding:5px 10px;font-size:var(--font-size-xs);gap:4px}.btn--gradient-border{background:var(--bg-card);color:var(--accent-blue);border:none;border-radius:var(--radius-md);padding:8px 14px;position:relative;font-weight:600;font-size:var(--font-size-sm)}.btn--gradient-border:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude}.btn--gradient-border:hover{background:color-mix(in srgb,var(--accent-blue) 14%,var(--bg-card) 86%);color:var(--accent-blue)}.stat-card{border-radius:var(--radius-md);padding:10px;border:1px solid var(--border-color);background:var(--bg-chip);display:flex;flex-direction:row;align-items:center;gap:var(--space-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast);position:relative;overflow:hidden}.stat-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.stat-card--blue,.stat-card--purple,.stat-card--green,.stat-card--orange{background:var(--bg-chip);border-color:var(--border-color)}.stat-card__icon{width:28px;height:28px;border-radius:7px;background:var(--bg-chip-icon);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent-blue)}.stat-card__icon svg{width:14px;height:14px}.stat-card__content{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1}.stat-card__label{font-size:9.5px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);white-space:nowrap}.stat-card__value{font-size:var(--font-size-base);font-weight:800;color:var(--text-primary);letter-spacing:-.02em;font-variant-numeric:tabular-nums;overflow:hidden;white-space:nowrap}.person-list{display:flex;flex-direction:column}.person-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast)}.person-item:last-child{border-bottom:none}.person-item:hover{background:var(--bg-card-hover)}.person-item.confirming{background:var(--accent-red-dim)}.person-avatar{width:40px;height:40px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border-normal);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}.person-info{flex:1;min-width:0}.person-name{display:block;font-weight:600;font-size:var(--font-size-sm);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.person-paid{display:block;font-size:var(--font-size-xs);color:var(--text-muted);margin-top:2px}.person-balance{display:flex;flex-direction:column;align-items:flex-start;padding:4px 10px;border-radius:var(--radius-md);white-space:nowrap;flex-shrink:0;overflow:hidden;gap:1px}.balance-amount{font-size:var(--font-size-sm);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}.balance-label{font-size:10px;font-weight:500;opacity:.8;text-transform:uppercase;letter-spacing:.03em;line-height:1}.balance--positive{color:var(--accent-green);background:var(--accent-green-dim)}.balance--negative{color:var(--accent-red);background:var(--accent-red-dim)}.balance--zero{color:var(--text-muted);background:var(--bg-secondary)}.person-actions{display:flex;align-items:center;gap:4px;flex-shrink:0;opacity:0;transition:opacity var(--transition-fast)}.person-item:hover .person-actions,.person-item:focus-within .person-actions{opacity:1}.confirm-delete-row{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:var(--accent-red-dim);border-bottom:1px solid rgba(248,113,113,.2);font-size:var(--font-size-sm);color:var(--accent-red)}.confirm-delete-row .confirm-text{flex:1;font-weight:500}.show-more-btn{width:100%;padding:var(--space-sm) var(--space-lg);text-align:center;color:var(--text-secondary);font-size:var(--font-size-xs);font-weight:500;border-top:1px solid var(--border-subtle);border-radius:0}.show-more-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}.expense-list{display:flex;flex-direction:column}.expense-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast)}.expense-item:last-child{border-bottom:none}.expense-item:hover{background:var(--bg-card-hover)}.expense-info{flex:1;min-width:0}.expense-desc{display:block;font-weight:600;font-size:var(--font-size-sm);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.expense-payer{display:block;font-size:var(--font-size-xs);color:var(--text-muted);margin-top:2px}.expense-amount{font-size:var(--font-size-sm);font-weight:700;color:var(--accent-blue);font-variant-numeric:tabular-nums;flex-shrink:0;overflow:hidden}.expense-actions{display:flex;align-items:center;gap:4px;flex-shrink:0;opacity:0;transition:opacity var(--transition-fast)}.expense-item:hover .expense-actions,.expense-item:focus-within .expense-actions{opacity:1}.settlement-list{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-md) var(--space-lg)}.settlement-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:background var(--transition-fast)}.settlement-item:hover{background:var(--bg-card-hover)}.settlement-item--hidden{display:none}.settlement-show-more{display:flex;justify-content:center;padding:var(--space-sm) var(--space-lg) var(--space-md)}.settlement-person{display:flex;align-items:center;gap:var(--space-xs);min-width:0;flex:1}.settlement-from{justify-content:flex-start}.settlement-to{justify-content:flex-end}.settlement-avatar{font-size:1.1rem;flex-shrink:0}.settlement-name{font-size:var(--font-size-sm);font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.settlement-mid{display:flex;flex-direction:column;align-items:center;gap:2px;flex-shrink:0}.settlement-amount{background:var(--accent-blue-dim);color:var(--accent-blue);font-size:var(--font-size-xs);font-weight:700;padding:3px 8px;border-radius:var(--radius-full);font-variant-numeric:tabular-nums;white-space:nowrap}.settlement-arrow{display:flex;align-items:center;color:var(--accent-blue);opacity:.6;flex-shrink:0}.settlement-empty{text-align:center;padding:var(--space-xl) var(--space-lg);color:var(--text-muted)}.settlement-empty__icon{display:flex;justify-content:center;margin-bottom:var(--space-sm);color:var(--accent-blue);opacity:.5}.settlement-empty__title{font-size:var(--font-size-base);font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-xs)}.settlement-empty__subtitle{font-size:var(--font-size-sm);color:var(--text-muted)}.activity-list{display:flex;flex-direction:column}.activity-item{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast)}.activity-item:last-child{border-bottom:none}.activity-item:hover{background:var(--bg-card-hover)}.activity-item--hidden{display:none}.activity-icon{width:28px;height:28px;border-radius:50%;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px;color:var(--accent-blue)}.activity-text{flex:1;min-width:0}.activity-description{font-size:var(--font-size-sm);color:var(--text-secondary);line-height:1.4}.activity-time{font-size:var(--font-size-xs);color:var(--text-muted);margin-top:2px}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-label{font-size:var(--font-size-sm);font-weight:500;color:var(--text-secondary)}.form-input,.form-select{width:100%;padding:10px 14px;background:var(--bg-input);border:1.5px solid var(--border-normal);border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--font-size-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);appearance:none;-webkit-appearance:none}.form-input:focus,.form-select:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px var(--accent-blue-dim)}.form-input::placeholder{color:var(--text-muted)}.form-input.error{border-color:var(--accent-red)}.form-error{font-size:var(--font-size-xs);color:var(--accent-red);min-height:1rem}.char-counter{font-size:var(--font-size-xs);color:var(--text-muted);text-align:end;transition:color var(--transition-fast)}.char-counter.char-counter--warn{color:var(--accent-yellow, #f59e0b)}.char-counter.char-counter--danger{color:var(--accent-red)}input[type=date].form-input{color-scheme:dark}[data-theme=light] input[type=date].form-input{color-scheme:light}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}@media (max-width: 480px){.form-row{grid-template-columns:1fr}}.modal-dialog:not([open]){display:none}.modal-dialog{position:fixed;inset:0;margin:auto;width:min(480px,96vw);max-height:90vh;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);background:var(--bg-modal);border:1px solid var(--border-normal);animation:modal-in var(--transition-normal) ease;overflow:hidden;display:flex;flex-direction:column}.modal-inner{overflow-y:auto;flex:1;overscroll-behavior:contain}@media (max-width: 640px){.modal-dialog{position:fixed;top:0;right:0;bottom:unset;left:0;margin:0;width:100%;max-height:85dvh;border-radius:0 0 var(--radius-xl) var(--radius-xl);display:block;overflow-y:auto;overscroll-behavior:contain}.modal-inner{display:block;flex:unset;overflow-y:visible;overscroll-behavior:unset}textarea.form-input{max-height:120px}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid 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