:root{--font-body: "General Sans", Inter, sans-serif;--text-xs: clamp(.75rem, .7rem + .25vw, .875rem);--text-sm: clamp(.875rem, .8rem + .35vw, 1rem);--text-base: clamp(1rem, .95rem + .25vw, 1.125rem);--text-lg: clamp(1.125rem, 1rem + .75vw, 1.5rem);--text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--color-bg: #f7f6f2;--color-surface: #f9f8f5;--color-surface-2: #ffffff;--color-border: rgba(40, 37, 29, .12);--color-text: #28251d;--color-text-muted: #6f6d67;--color-primary: #01696f;--color-primary-hover: #0c4e54;--color-positive: #2f6f2a;--color-negative: #9a2e2e;--shadow-md: 0 12px 30px rgba(28, 24, 17, .08)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font-body);font-size:var(--text-base);background:linear-gradient(180deg,#fbfaf7 0%,var(--color-bg) 100%);color:var(--color-text)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.62}input,select{width:100%;padding:.82rem .95rem;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface-2)}input[type=checkbox]{width:auto;margin:0;accent-color:var(--color-primary)}label{display:grid;gap:.45rem;font-size:var(--text-sm)}.app-shell{padding:var(--space-4)}.container{max-width:1080px;margin:0 auto}.stack{display:grid;gap:var(--space-4)}.stack.compact{gap:var(--space-3)}.stack.mini{gap:.2rem}.stack.xl{gap:var(--space-6)}.card{background:color-mix(in srgb,var(--color-surface) 88%,white 12%);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:var(--space-5)}.topbar,.grid-panel,.main-grid{display:grid;gap:var(--space-4)}.topbar{align-items:start}.account-slot{justify-self:stretch}.account-compact{display:grid;gap:var(--space-3);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4)}.account-compact strong{font-size:var(--text-base)}.account-compact .inline-form{display:grid;gap:var(--space-3)}.account-compact .inline-form label{width:100%}.eyebrow{margin:0 0 var(--space-2);color:var(--color-primary);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;font-weight:700}h1,h2,p{margin:0}h1{font-size:var(--text-xl);max-width:14ch}h2{font-size:var(--text-lg)}.muted{color:var(--color-text-muted)}.total-box{display:grid;gap:var(--space-2);justify-self:start;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);min-width:150px}.total-box span{display:block;font-size:var(--text-sm);color:var(--color-text-muted)}.total-box strong{font-size:var(--text-lg)}.export-actions{display:grid;gap:var(--space-2);padding-top:var(--space-2);border-top:1px dashed var(--color-border)}.export-label{color:var(--color-text-muted);font-size:var(--text-sm)}.total-box .secondary-button{width:100%}.inline-form,.row,.chip-row{display:flex;gap:var(--space-3)}.inline-form{align-items:center;flex-wrap:wrap}.inline-form.align-end{align-items:end}.inline-form input{flex:1 1 220px}.inline-form button,form button{background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);padding:.9rem 1rem;min-height:44px}.inline-form button:hover,form button:hover{background:var(--color-primary-hover)}.secondary-button{width:fit-content;background:var(--color-surface-2);color:var(--color-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.75rem .9rem;min-height:44px}.secondary-button:hover{border-color:#01696f59}.danger-button{width:fit-content;background:#9a2e2e1f;color:var(--color-negative);border:1px solid rgba(154,46,46,.26);border-radius:var(--radius-md);padding:.75rem .9rem;min-height:44px}.danger-button:hover{background:#9a2e2e2e}.whatsapp-share{background:#25d3661f;color:#1f8a4c;border:1px solid rgba(37,211,102,.32)}.whatsapp-share:hover{background:#25d36633}.secondary-button.small,.danger-button.small{min-height:34px;padding:.4rem .62rem}.chip-row{flex-wrap:wrap}.chip{background:#01696f1a;color:var(--color-primary);border-radius:999px;padding:.45rem .75rem;font-size:var(--text-sm)}.chip.subtle{background:#28251d0f;color:var(--color-text)}.split-grid{display:grid;gap:var(--space-4)}.check-grid{display:grid;gap:var(--space-3)}.check-option{display:flex;align-items:center;gap:var(--space-3);width:fit-content}.trip-grid{display:grid;gap:var(--space-4)}.trip-tile{display:grid;grid-template-columns:1fr;gap:var(--space-4);width:100%;min-height:110px;padding:var(--space-5);text-align:left;color:var(--color-text);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.trip-tile:hover{border-color:#01696f59;transform:translateY(-1px)}.trip-tile .row{justify-content:flex-start}.trip-tile span,.trip-total{display:grid;gap:var(--space-2)}.trip-tile strong{font-size:var(--text-lg)}.trip-tile small{color:var(--color-text-muted);font-size:var(--text-sm)}.trip-total{justify-self:start;padding-top:var(--space-3);border-top:1px dashed var(--color-border)}.group-header{display:grid;gap:var(--space-4);align-items:center}.subdued-panel{background:#28251d08;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4)}.between{justify-content:space-between;align-items:center}.wrap-gap{flex-wrap:wrap}.align-end-text{justify-items:end;text-align:right}.positive{color:var(--color-positive)}.negative{color:var(--color-negative)}.summary-header,.summary-row{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.95fr) minmax(0,.95fr) minmax(0,1.1fr);gap:var(--space-2);align-items:center}.summary-header{padding-bottom:var(--space-2);border-bottom:1px dashed var(--color-border);color:var(--color-text-muted);font-size:var(--text-sm)}.summary-row{padding:var(--space-2) 0;border-bottom:1px dashed rgba(40,37,29,.08);font-size:var(--text-sm)}.summary-row strong,.summary-header span:not(:first-child),.summary-row span:not(:first-child){text-align:right}.settlement{padding:var(--space-3) 0;border-bottom:1px dashed var(--color-border)}.settlement>.row{align-items:center}.expense-item{display:grid;gap:var(--space-3);padding-bottom:var(--space-4);border-bottom:1px solid rgba(40,37,29,.08)}.expense-item.settlement-item{background:#01696f0a;border-radius:var(--radius-lg);padding:var(--space-3);border-bottom:1px solid rgba(1,105,111,.12)}.settlement-chip{margin-left:var(--space-2);font-size:var(--text-sm);vertical-align:middle}.error-banner{background:#9a2e2e1a;color:var(--color-negative);border:1px solid rgba(154,46,46,.2);border-radius:var(--radius-lg);padding:var(--space-4)}.form-error{color:var(--color-negative);font-size:var(--text-sm)}.info-banner{background:#01696f14;color:var(--color-primary-hover);border:1px solid rgba(1,105,111,.18);border-radius:var(--radius-lg);padding:var(--space-4)}.info-banner code{background:#ffffffb3;border:1px solid var(--color-border);border-radius:.35rem;padding:.1rem .3rem}@media(min-width:760px){.topbar{grid-template-columns:1.8fr .8fr}.trip-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.trip-tile{grid-template-columns:1fr auto;align-items:center}.trip-total{justify-self:end;min-width:150px;padding-top:0;padding-left:var(--space-4);border-top:0;border-left:1px dashed var(--color-border)}.group-header{grid-template-columns:auto 1fr auto}.main-grid{grid-template-columns:.9fr 1.1fr}.grid-panel,.split-grid.two{grid-template-columns:1fr 1fr}.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.account-compact .inline-form{grid-template-columns:1fr auto;align-items:end}}