:root{--cream-50: #FAF7F1;--cream-100: #F0ECE2;--cream-200: #ECE7DD;--charcoal-900: #19150F;--charcoal-800: #262019;--charcoal-700: #322A20;--navy-900: #1A2332;--navy-800: #26324A;--parchment-50: #F1E9DB;--parchment-100: #E3D6B8;--stone-500: #6B6660;--stone-300: #B4A996;--oxblood-700: #6B2737;--oxblood-600: #7A3646;--oxblood-300: #C68A96;--oxblood-200: #D49CA7;--forest-700: #2D4A3E;--forest-300: #7FAF95;--gold-900: #6B4A1E;--gold-600: #8A6F43;--gold-500: #A68B5B;--gold-400: #C4A572;--gold-300: #C7A468;--gold-200: #D6B87B;--black: #000000;--paper-white: #ffffff;--hairline-300: #cfc7ba;--stone-500-rgb: 107, 102, 96;--navy-900-rgb: 26, 35, 50;--parchment-50-rgb: 241, 233, 219;--black-rgb: 0, 0, 0;--oxblood-700-rgb: 107, 39, 55;--oxblood-300-rgb: 198, 138, 150;--forest-700-rgb: 45, 74, 62;--forest-300-rgb: 127, 175, 149;--gold-500-rgb: 166, 139, 91;--gold-300-rgb: 199, 164, 104;--bg: var(--cream-100);--surface: var(--cream-50);--surface-raised: var(--cream-200);--text: var(--navy-900);--muted: var(--stone-500);--border-rgb: var(--stone-500-rgb);--shadow-rgb: var(--navy-900-rgb);--accent-rgb: var(--oxblood-700-rgb);--positive-rgb: var(--forest-700-rgb);--gold-rgb: var(--gold-500-rgb);--border: rgba(var(--border-rgb), .15);--border-strong: rgba(var(--border-rgb), .32);--control: var(--navy-900);--control-hover: var(--navy-800);--control-text: var(--cream-50);--control-accent: var(--gold-400);--accent: var(--oxblood-700);--positive: var(--forest-700);--negative: var(--oxblood-700);--gold: var(--gold-500);--gold-deep: var(--gold-600);--danger: var(--oxblood-700);--danger-hover: var(--oxblood-600);--color-owed: var(--positive);--color-owing: var(--negative);--radius: 6px;--radius-sm: 4px;--radius-lg: 12px;--elevation-1: 0 2px 6px rgba(var(--shadow-rgb), .09);--elevation-2: 0 4px 14px rgba(var(--shadow-rgb), .12);--elevation-3: 0 20px 60px rgba(var(--shadow-rgb), .3);--duration-fast: .12s;--duration-standard: .25s;--ease-standard: ease;--ease-decelerate: cubic-bezier(0, 0, .2, 1);--hover-brightness: brightness(1.06);--press-brightness: brightness(.96);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1.25rem;--space-5: 2rem;--space-6: 3rem;--space-7: 4.5rem;--space-8: 6.5rem;--fs-hero: clamp(2.2rem, 2.05rem + 1vw, 2.8rem);--fs-h1: clamp(1.5rem, 1.4rem + .4vw, 1.75rem);--fs-h2: clamp(1.1rem, 1.05rem + .2vw, 1.25rem);--fs-body: clamp(1rem, .97rem + .15vw, 1.0625rem);--fs-secondary: clamp(.85rem, .83rem + .1vw, .9rem);--fs-caption: .78rem;--font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;--font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif}:root[data-theme=dark]{--bg: var(--charcoal-900);--surface: var(--charcoal-800);--surface-raised: var(--charcoal-700);--text: var(--parchment-50);--muted: var(--stone-300);--border-rgb: var(--parchment-50-rgb);--shadow-rgb: var(--black-rgb);--accent-rgb: var(--oxblood-300-rgb);--positive-rgb: var(--forest-300-rgb);--gold-rgb: var(--gold-300-rgb);--control: var(--parchment-50);--control-hover: var(--parchment-100);--control-text: var(--charcoal-800);--control-accent: var(--gold-900);--accent: var(--oxblood-300);--positive: var(--forest-300);--negative: var(--oxblood-300);--gold: var(--gold-300);--gold-deep: var(--gold-200);--danger: var(--oxblood-300);--danger-hover: var(--oxblood-200);--hover-brightness: brightness(1.15);--logo-card-back: var(--parchment-100);--logo-card-mid: var(--parchment-50);--logo-card-front: var(--gold-300)}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);font-size:15px}h1,h2,h3{font-family:var(--font-serif);font-weight:600}h1{font-size:var(--fs-h1);margin:.2rem 0}h2{font-size:var(--fs-h2);margin:0 0 .6rem}h3{font-size:var(--fs-body);margin:0 0 .6rem}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--muted)}.positive{color:var(--color-owed)}.negative{color:var(--color-owing)}.eyebrow{text-transform:uppercase;letter-spacing:.09em;font-size:var(--fs-caption);color:var(--muted);font-weight:600}.amount{font-family:var(--font-serif);font-variant-numeric:tabular-nums;white-space:nowrap}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar-inner{display:flex;align-items:center;justify-content:space-between;max-width:1140px;margin:0 auto;padding:.7rem 1.4rem}.brand{font-family:var(--font-serif);font-weight:600;font-size:var(--fs-h2);color:var(--text);display:flex;align-items:center;gap:.55rem}.brand:hover{text-decoration:none}.topbar-right{display:flex;align-items:center;gap:.8rem}.topbar-user{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-sans);font-weight:600;font-size:var(--fs-body);color:var(--text);background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);padding:.35rem .6rem;cursor:pointer;transition:background var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard)}.topbar-user:hover{border-color:var(--border-strong);background:var(--surface-raised)}.topbar-user:active{filter:var(--press-brightness)}.topbar-base{font-size:var(--fs-caption);font-weight:700;letter-spacing:.04em;background:var(--control);color:var(--control-accent);padding:.08rem .4rem;border-radius:999px}.main{flex:1}.page{max-width:1140px;margin:0 auto;padding:1.6rem 1.4rem 3rem}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.4rem;flex-wrap:wrap}.head-actions{display:flex;gap:.6rem}.group-title-row{display:flex;align-items:center;gap:.3rem}.group-title-row h1{margin:.2rem 0}.group-title-row .btn{line-height:1}.group-options{display:flex;flex-direction:column;gap:.5rem}.back-link{display:inline-block;font-size:var(--fs-secondary);margin-bottom:.5rem}.loading-screen{display:grid;place-items:center;min-height:100vh;color:var(--muted)}.skeleton{background:rgba(var(--border-rgb),.16);border-radius:var(--radius-sm);position:relative;overflow:hidden}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(var(--border-rgb),.28),transparent);animation:skeleton-shimmer 1.6s ease-in-out infinite}@media (prefers-reduced-motion: reduce){.skeleton:after{animation:none;display:none}}@keyframes skeleton-shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.skeleton-text{height:.9em}.skeleton-title{width:55%;height:1.3rem;margin-bottom:.5rem}.skeleton-balance{width:45%;height:var(--fs-h1);margin-bottom:.6rem}.skeleton-meta{width:32%;height:.8rem}.skeleton-hero{width:40%;height:1rem;margin-top:.5rem}.skeleton-backlink{width:90px;height:.85rem;margin-bottom:.6rem}.skeleton-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0}.skeleton-lines{flex:1;display:flex;flex-direction:column;gap:.4rem;min-width:0}.skeleton-text-wide{width:70%}.skeleton-text-narrow{width:40%}.skeleton-row{gap:.9rem}.skeleton-card{display:flex;flex-direction:column;gap:.5rem}.skeleton-card .skeleton-text{width:60%}.skeleton-card .skeleton-text:not(:first-child){width:80%}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--elevation-1);padding:1rem}.btn{border:1px solid transparent;border-radius:var(--radius-sm);padding:.5rem 1rem;font-family:var(--font-sans);font-size:var(--fs-secondary);font-weight:600;cursor:pointer;background:transparent;color:var(--text);transition:background var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}.btn-primary{background:var(--control);color:var(--control-text)}.btn-primary:hover{filter:var(--hover-brightness)}.btn-primary:active{filter:var(--press-brightness);transform:scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--surface);border-color:var(--border-strong)}.btn-secondary:hover{border-color:var(--text)}.btn-secondary:active{filter:var(--press-brightness);transform:scale(.98)}.btn-ghost{color:var(--muted)}.btn-ghost:hover{background:rgba(var(--border-rgb),.08);color:var(--text)}.btn-ghost:active{filter:var(--press-brightness);transform:scale(.98)}.btn-ghost.danger:hover{color:var(--danger)}.btn-danger{background:var(--danger);color:var(--control-text)}.btn-danger:hover{filter:var(--hover-brightness)}.btn-danger:active{filter:var(--press-brightness);transform:scale(.98)}.btn-danger:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:.25rem .6rem;font-size:var(--fs-caption)}.btn-block{width:100%}.auth-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,var(--surface-raised) 0%,var(--bg) 60%);padding:1rem}.auth-card{position:relative;width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 10px 40px rgba(var(--shadow-rgb),.1);padding:2rem}.lang-switch{position:absolute;top:1rem;right:1rem;display:flex;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden}.lang-switch button{padding:.3rem .55rem;border:none;background:transparent;cursor:pointer;font-family:var(--font-sans);font-weight:600;font-size:var(--fs-caption);color:var(--muted);transition:background var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard)}.lang-switch button:hover{filter:var(--hover-brightness)}.lang-switch button.active{background:var(--control);color:var(--control-text)}.auth-brand{text-align:center;margin-bottom:1.4rem}.auth-brand h1{margin:.6rem 0 .2rem}.auth-brand p{color:var(--muted);margin:0;font-size:var(--fs-secondary)}.auth-tabs{display:flex;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:1.2rem}.auth-tabs button{flex:1;padding:.55rem;border:none;background:transparent;cursor:pointer;font-family:var(--font-sans);font-weight:600;color:var(--muted);transition:background var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard)}.auth-tabs button:hover{filter:var(--hover-brightness)}.auth-tabs button.active{background:var(--control);color:var(--control-text)}.auth-form{display:flex;flex-direction:column;gap:.9rem}.auth-divider{display:flex;align-items:center;gap:.7rem;margin:1.1rem 0;color:var(--muted);font-size:var(--fs-caption);font-weight:600;text-transform:uppercase;letter-spacing:.06em}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-top:1px solid var(--border)}.btn-google{display:flex;align-items:center;justify-content:center;gap:.6rem;background:var(--surface);border-color:var(--border-strong)}.btn-google:hover{filter:var(--hover-brightness)}.btn-google:active{filter:var(--press-brightness);transform:scale(.98)}.btn-google:disabled{opacity:.5;cursor:not-allowed}label{display:flex;flex-direction:column;gap:.3rem;font-size:var(--fs-secondary);font-weight:600}input,select,textarea{font:inherit;padding:.5rem .7rem;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text)}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:1px}.form-error{background:rgba(var(--accent-rgb),.08);color:var(--danger);border:1px solid rgba(var(--accent-rgb),.25);border-radius:var(--radius-sm);padding:.5rem .8rem;font-size:var(--fs-secondary);margin-top:.4rem}.form-success{background:rgba(var(--positive-rgb),.08);color:var(--positive);border:1px solid rgba(var(--positive-rgb),.25);border-radius:var(--radius-sm);padding:.5rem .8rem;font-size:var(--fs-secondary);margin-top:.4rem}.link-btn{align-self:flex-start;background:none;border:none;padding:0;margin:-.4rem 0 0;font-family:var(--font-sans);font-size:var(--fs-caption);font-weight:600;color:var(--muted);cursor:pointer;text-decoration:underline;text-underline-offset:2px;transition:color var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard)}.link-btn:hover{color:var(--text)}.link-btn:active{filter:var(--press-brightness)}.link-btn:disabled{opacity:.5;cursor:not-allowed;text-decoration:none}.field-row{display:flex;gap:.7rem;align-items:flex-end;flex-wrap:wrap}.field-row label{min-width:0}.grow{flex:1}.amount-input{display:flex;align-items:center;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface)}.amount-input:focus-within{outline:none;border-color:var(--gold)}.amount-input:has(input:focus-visible){outline:2px solid var(--gold);outline-offset:1px}.amount-input input{border:none;flex:1;min-width:0;background:transparent}.amount-input input:focus{outline:none}.amount-input .currency-symbol{padding:0 .2rem 0 .6rem;color:var(--muted);font-weight:600}.amount-input.small{width:110px}.amount-input.small input{width:100%;padding:.35rem .5rem}.field-block{display:flex;flex-direction:column;gap:.35rem}.field-label{font-size:var(--fs-secondary);font-weight:600}.payer-picker{display:flex;flex-wrap:wrap;gap:.5rem}.payer-chip{display:inline-flex;align-items:center;gap:.45rem;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface);padding:.25rem .8rem .25rem .25rem;cursor:pointer;font-family:var(--font-sans);font-size:var(--fs-secondary);font-weight:600;color:var(--text);transition:border-color var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}.payer-chip:hover{border-color:var(--text)}.payer-chip:active{filter:var(--press-brightness);transform:scale(.98)}.payer-chip:focus-visible{outline:2px solid var(--gold-deep);outline-offset:2px}.payer-chip.active{background:var(--control);border-color:var(--control);color:var(--control-text)}.payer-chip.active .avatar{background:var(--control-text);color:var(--control)}.category-picker{display:flex;flex-wrap:wrap;gap:.4rem}.category-chip{border:1px dashed var(--border-strong);background:var(--surface-raised);color:var(--muted);border-radius:var(--radius-sm);padding:.35rem .65rem;cursor:pointer;font-family:var(--font-sans);font-weight:600;font-size:var(--fs-caption);transition:background var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}.category-chip:hover{background:rgba(var(--gold-rgb),.16)}.category-chip:active{filter:var(--press-brightness);transform:scale(.98)}.category-chip.active{border-style:solid;border-color:var(--control);background:var(--control);color:var(--control-text)}.more-options-toggle{display:inline-flex;align-items:center;gap:.35rem;align-self:flex-start;background:none;border:none;padding:0;margin:-.3rem 0 0;font-family:var(--font-sans);font-size:var(--fs-caption);font-weight:600;color:var(--muted);cursor:pointer;transition:color var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard)}.more-options-toggle:hover{color:var(--text)}.more-options-toggle:active{filter:var(--press-brightness)}.more-options-toggle:focus-visible{outline:2px solid var(--gold-deep);outline-offset:2px}.feedback-type-picker{display:flex;flex-wrap:wrap;gap:.5rem}.feedback-type-chip{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);padding:.35rem .75rem;cursor:pointer;font-family:var(--font-sans);font-weight:600;font-size:var(--fs-secondary);transition:border-color var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}.feedback-type-chip:hover{border-color:var(--text)}.feedback-type-chip:active{filter:var(--press-brightness);transform:scale(.98)}.feedback-type-chip:focus-visible{outline:2px solid var(--gold-deep);outline-offset:2px}.feedback-type-chip.active{background:var(--control);border-color:var(--control);color:var(--control-text)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.receipt-attach{display:inline-flex;align-self:flex-start;cursor:pointer}.receipt-preview{display:inline-flex;align-items:flex-start;gap:.5rem}.receipt-thumb{width:72px;height:72px;object-fit:cover;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface-raised)}.receipt-thumb-loading{display:flex;align-items:center;justify-content:center;font-size:var(--fs-caption)}.receipt-remove{padding:.2rem .5rem}.feed-receipt,.feed-recurring{margin-left:.35rem}.receipt-lightbox-body{align-items:center}.receipt-lightbox-img{max-width:100%;max-height:70vh;border-radius:var(--radius-sm);cursor:zoom-out;display:block}.offline-banner{position:fixed;left:50%;bottom:1rem;bottom:calc(1rem + env(safe-area-inset-bottom));transform:translate(-50%);z-index:40;background:var(--surface-raised);color:var(--gold-deep);border:1px solid var(--border-strong);border-radius:999px;padding:.45rem 1rem;font-size:var(--fs-caption);font-weight:600;box-shadow:var(--elevation-1);pointer-events:none}.fx-note{font-size:var(--fs-caption);margin-top:.35rem}.fx-warn{color:var(--gold-deep);font-weight:700;cursor:help}.currency-detail{display:flex;flex-wrap:wrap;gap:.5rem;font-size:var(--fs-caption);margin-top:.35rem}.currency-detail span{white-space:nowrap}.currency-detail span:not(:last-child):after{content:"·";margin-left:.5rem;color:var(--border-strong)}.hero-balance{font-family:var(--font-serif);font-weight:600;font-size:var(--fs-hero);line-height:1.15;font-variant-numeric:tabular-nums;margin:0}.hero-balance-positive{color:var(--color-owed)}.hero-balance-negative{color:var(--color-owing)}.hero-balance-settled{color:var(--muted)}.hero-fx-warn{font-size:var(--fs-secondary);vertical-align:super}.hero-caption{font-size:var(--fs-secondary);margin-top:.3rem}.dashboard-hero{margin-bottom:1.2rem}.group-hero{margin:.2rem 0 .4rem}.setting-note{font-size:var(--fs-caption);margin:0}.fx-modes{border:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.fx-modes legend{font-size:var(--fs-secondary);font-weight:600;padding:0;margin-bottom:.2rem}.fx-mode{display:flex;flex-direction:row;align-items:flex-start;gap:.6rem;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:.6rem .8rem;cursor:pointer;font-weight:400;transition:border-color var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard)}.fx-mode:hover{filter:var(--hover-brightness)}.fx-mode.selected{border-color:var(--accent);background:rgba(var(--accent-rgb),.05)}.fx-mode input{margin-top:.2rem;accent-color:var(--accent)}.fx-mode span{display:flex;flex-direction:column;gap:.15rem}.fx-mode strong{font-size:var(--fs-secondary)}.fx-mode .muted{font-size:var(--fs-caption)}.payment-handles{border:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.payment-handles legend{font-size:var(--fs-secondary);font-weight:600;padding:0;margin-bottom:.2rem}.payment-handle-field{font-weight:400}.payment-handle-field input{font-size:var(--fs-secondary)}.create-group{display:flex;gap:.7rem;margin-bottom:1.2rem;flex-wrap:wrap}.create-group input{flex:1;min-width:200px}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,340px));justify-content:start;gap:1rem}.group-card{color:var(--text);transition:transform var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),filter var(--duration-fast) var(--ease-standard)}.group-card:hover{transform:translateY(-2px);box-shadow:var(--elevation-2);border-color:var(--border-strong);text-decoration:none}.group-card:active{filter:var(--press-brightness);transform:translateY(-2px) 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