:root{--primary:#0f766e;--primary-dark:#0b5750;--bg:#f8fafc;--card-bg:#ffffff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--positive:#15803d;--negative:#b91c1c;--danger:#dc2626;--radius:14px;color-scheme:light}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-tap-highlight-color:transparent}.app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;max-width:560px;margin:0 auto;position:relative;padding-bottom:env(safe-area-inset-bottom)}.app-bar{position:-webkit-sticky;position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;padding:calc(14px + env(safe-area-inset-top)) 12px 14px;background:var(--primary);color:white}.app-bar h1{flex:1 1;text-align:center;font-size:1.1rem;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-bar-home{justify-content:flex-start}.app-bar-home h1{text-align:left}.icon-btn{background:transparent;border:none;color:white;font-size:1.3rem;padding:4px 8px;cursor:pointer;line-height:1}.icon-btn-spacer{width:32px;display:inline-block}.tabs{display:flex;background:white;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:56px;z-index:4}.tab{flex:1 1;padding:12px 4px;background:none;font-size:.92rem;font-weight:600;color:var(--muted);border:none;border-bottom:3px solid transparent;cursor:pointer}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.content{flex:1 1;padding:16px 16px 96px}.card{background:var(--card-bg);border-radius:var(--radius);border:1px solid var(--border);padding:16px}.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.list-item{display:flex;align-items:center;gap:12px;cursor:default}.list-item[data-action=open-event]{cursor:pointer}.list-item-main{flex:1 1;min-width:0}.list-item-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chevron{font-size:1.4rem}.chevron,.muted{color:var(--muted)}.small{font-size:.82rem}.amount{font-weight:700;white-space:nowrap}.amount.positive{color:var(--positive)}.amount.negative{color:var(--negative)}.amount.neutral{color:var(--muted)}.avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:white;display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0}.avatar,.badge{font-weight:700}.badge{display:inline-block;font-size:.72rem;color:var(--primary-dark);background:#ccfbf1;padding:2px 8px;border-radius:999px;margin-top:4px}.empty-state{padding:48px 16px}.empty-inline,.empty-state{text-align:center;color:var(--muted)}.fab{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:520px;width:calc(100% - 32px);background:var(--primary);color:white;border:none;border-radius:999px;padding:15px 20px;font-size:1rem;font-weight:700;box-shadow:0 8px 24px rgba(15,118,110,.35);cursor:pointer;z-index:6}.form{gap:14px}.form,.form label{display:flex;flex-direction:column}.form label{gap:6px;font-size:.88rem;font-weight:600;color:var(--text)}input,select,textarea{font-family:inherit;font-size:1rem;padding:12px;border-radius:10px;border:1px solid var(--border);background:white;color:var(--text)}textarea{resize:vertical;min-height:70px}.checkbox-group{border:1px solid var(--border);border-radius:10px;padding:10px 12px;margin:0}.checkbox-group legend{font-size:.88rem;font-weight:600;padding:0 4px}.checkbox-row{display:flex;align-items:center;gap:8px;font-weight:400;padding:6px 0}.checkbox-row input{width:auto}.primary-btn{background:var(--primary);color:white;border:none;border-radius:10px;padding:14px;font-size:1rem;font-weight:700;cursor:pointer;text-align:center;text-decoration:none;display:block}.primary-btn:disabled{opacity:.6}.primary-btn.danger{background:var(--danger)}.secondary-btn{background:white;border:1px solid var(--primary);color:var(--primary);border-radius:10px;padding:12px;font-weight:700;cursor:pointer}.text-btn{background:none;border:none;color:var(--muted);padding:8px;cursor:pointer;font-size:.92rem}.small-btn{background:#f1f5f9;border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:.8rem;font-weight:700;color:var(--text);cursor:pointer;white-space:nowrap}.small-btn.danger{color:var(--danger);border-color:#fecaca;background:#fef2f2}.whatsapp-btn{background:#25d366;text-align:center}.warning{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:10px 12px;border-radius:10px;font-size:.88rem}.section-title{font-size:.9rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:20px 0 10px}.total-card{text-align:center}.total-amount{font-size:2rem;font-weight:800;color:var(--primary-dark)}.join-card{text-align:center}.join-card .event-title{font-size:1.3rem;font-weight:800;margin:4px 0}.join-card .form{text-align:left;margin-top:16px}.center-message{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:60vh;text-align:center;padding:24px;color:var(--muted)}.spinner{width:32px;height:32px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--primary);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:flex-end;justify-content:center;z-index:20}.sheet{background:white;width:100%;max-width:560px;border-radius:20px 20px 0 0;padding:20px 20px calc(20px + env(safe-area-inset-bottom));max-height:88vh;overflow-y:auto}.sheet h2{margin-top:0}.toast-root{position:fixed;top:0;left:50%;transform:translate(-50%,-120%);z-index:50;transition:transform .25s ease;width:calc(100% - 32px);max-width:520px;padding-top:calc(12px + env(safe-area-inset-top))}.toast-root.visible{transform:translate(-50%)}.toast{background:var(--text);color:white;padding:12px 16px;border-radius:10px;font-size:.9rem;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.2)}.toast-error{background:var(--danger)}.row,.row-between{display:flex;align-items:center;gap:10px}.row-between{justify-content:space-between}.sheet-actions,.stack{display:flex;flex-direction:column;gap:10px}.sheet-actions{margin-top:16px}.link-box{word-break:break-all;font-size:.82rem;color:var(--muted);background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:10px}.removed{opacity:.55}.settle-item{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--border)}.settle-item:last-child{border-bottom:none}.settle-arrow{color:var(--muted)}.error-text{color:var(--danger);font-size:.88rem}.inline-actions{display:flex;gap:6px}