:root{--bg:#f5f6fb;--card:#fff;--ink:#1d2333;--muted:#6b7385;--line:#e5e8f0;--brand:#4f46e5;--brand2:#7c3aed;--pos:#0f9d58;--neg:#d93025;--ok:#0f9d58}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:15px}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
header{display:flex;align-items:center;gap:24px;padding:12px 28px;background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff;position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:10px}.brand h1{font-size:19px;margin:0}.brand small{opacity:.85}
nav{display:flex;gap:4px;flex:1}nav a{color:#fff;padding:8px 14px;border-radius:8px;opacity:.85}nav a.active,nav a:hover{background:rgba(255,255,255,.18);opacity:1;text-decoration:none}
.switch{font-size:13px;display:flex;align-items:center;gap:6px;white-space:nowrap}
header .tip{color:#fff;border-color:#fff}
main{max-width:1200px;margin:0 auto;padding:22px 28px 60px}
h2{margin:6px 0 14px}h3{margin:0 0 12px;font-size:16px}h4{margin:0 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:18px;box-shadow:0 1px 2px rgba(20,30,60,.04)}
.grid2{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.grid2>.card{margin-bottom:0}.grid2{margin-bottom:18px}
@media(max-width:900px){.grid2{grid-template-columns:1fr}header{flex-wrap:wrap}}
.hero{display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.compare{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.stat{background:#f0f1f8;border-radius:12px;padding:10px 18px;text-align:center;min-width:120px}.stat .n{display:block;font-size:34px;font-weight:700}.stat span{font-size:13px;color:var(--muted)}
.stat.good{background:#e6f6ee}.stat.good .n{color:var(--pos)}.arrow{font-size:26px;color:var(--muted)}.saved{width:100%;text-align:right;font-size:14px}
.groups-pick{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#f0f1f8;border-radius:20px;padding:5px 12px;font-size:14px;cursor:pointer}
.tbl{width:100%;border-collapse:collapse}.tbl th,.tbl td{padding:8px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.tbl th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.num{text-align:right!important;white-space:nowrap}.strong{font-weight:700}.nowrap{white-space:nowrap}
.pos{color:var(--pos)}.neg{color:var(--neg)}.zero{color:var(--muted)}.ok{color:var(--ok)}.muted{color:var(--muted)}.small{font-size:13px}
.plan{padding-left:20px;margin:0 0 12px}.plan>li{padding:8px 0;border-bottom:1px dashed var(--line)}
.pay{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.amt{margin-left:auto;font-weight:700;font-size:16px}
details{font-size:13px;color:var(--muted);margin-top:4px}details ul{margin:4px 0}
.pergroup{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.mini{background:#fafbfe;border:1px solid var(--line);border-radius:10px;padding:12px}.mini ul{margin:0;padding-left:18px;font-size:14px}
.badge{display:inline-block;background:#ece9ff;color:var(--brand);border-radius:10px;padding:1px 8px;font-size:12px;font-weight:600;vertical-align:middle}
.list{list-style:none;padding:0;margin:0}.list li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:9px;padding:8px 14px;font-size:14px;cursor:pointer;font-family:inherit;text-decoration:none!important}
.btn:hover{filter:brightness(1.08)}.btn.ghost{background:#eef0fb;color:var(--brand)}.btn.small{padding:4px 10px;font-size:13px}.btn.danger{background:#fde8e7;color:var(--neg)}
.icon{background:none;border:0;cursor:pointer;font-size:15px;padding:2px 6px;border-radius:6px}.icon:hover{background:#f0f1f8}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}
input,select{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}
label{display:block;margin:8px 0;font-size:14px;color:var(--muted)}label>input,label>select{display:block;width:100%;margin-top:4px;color:var(--ink)}
label.chip,.switch{display:inline-flex;color:inherit;margin:0}label.chip input{width:auto;margin:0}
fieldset{border:1px solid var(--line);border-radius:10px;padding:10px}fieldset .chip{margin:3px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.gcard{color:inherit;text-decoration:none!important;transition:transform .1s}.gcard:hover{transform:translateY(-2px);border-color:var(--brand)}
.modal{position:fixed;inset:0;background:rgba(20,25,45,.45);display:grid;place-items:center;z-index:50}.hidden{display:none!important}
.modal-box{background:#fff;border-radius:16px;padding:22px 24px;width:min(560px,94vw);max-height:90vh;overflow:auto}
.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.part{display:grid;grid-template-columns:150px 110px 1fr;gap:10px;align-items:center;margin:6px 0}.part input.e-val{padding:5px 8px}
.actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#1d2333;color:#fff;padding:10px 18px;border-radius:10px;z-index:60}.toast.bad{background:var(--neg)}
.hero-person{display:flex;gap:40px;align-items:flex-start;flex-wrap:wrap}.big{font-size:34px;font-weight:700}.hero-person p{margin:4px 0}
.danger-zone{background:none;border:0;box-shadow:none;padding:0}
.empty{text-align:center;padding:40px}
/* tooltips ? */
.tip{display:none;position:relative;width:18px;height:18px;border:1.5px solid var(--brand);color:var(--brand);border-radius:50%;font-size:11px;line-height:15px;text-align:center;cursor:help;font-style:normal;font-weight:700;vertical-align:middle;margin-left:2px;text-transform:none;letter-spacing:0}
body.ayuda .tip{display:inline-block}
.tip .bubble{display:none;position:absolute;left:50%;top:24px;transform:translateX(-50%);width:300px;background:#1d2333;color:#eef;padding:10px 12px;border-radius:10px;font-size:13px;line-height:1.45;font-weight:400;text-align:left;z-index:100;box-shadow:0 8px 24px rgba(0,0,0,.25);white-space:normal}
.tip .bubble b{display:block;color:#fff;margin-bottom:4px;font-size:14px}
.tip:hover .bubble,.tip:focus .bubble{display:block}
.switch .tip .bubble{left:auto;right:-10px;transform:none}
.comp{background:#f7f5ff;border-radius:10px;padding:10px 12px;margin:0 0 12px}.comp ul{margin:6px 0;padding-left:18px}
/* ---------- v2: cuentas, gasto rápido y móvil ---------- */
body.logged-out .auth-only{display:none!important}
.head-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.add-btn{background:#fff;color:var(--brand);font-weight:700;padding:9px 16px;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.user-chip{display:flex;align-items:center;gap:6px;color:#fff;text-decoration:none!important}
.avatar{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.25);display:grid;place-items:center;font-weight:700}
.btn.big{font-size:16px;padding:11px 20px}
.badge.gray{background:#eef0f4;color:var(--muted)}
.cat{font-size:16px}
.tw{overflow-x:auto}
.auth-wrap{display:grid;grid-template-columns:minmax(300px,440px) 1fr;gap:30px;align-items:start;max-width:900px;margin:30px auto}
.auth-card form .btn{width:100%;margin-top:8px}.auth-side{padding:30px 10px;color:var(--muted)}.auth-side h3{color:var(--ink);font-size:22px}
.demo-box{background:#f7f5ff;border-radius:12px;padding:12px;margin-top:14px}
.pruebas .btn{margin-top:10px}
.prueba-datos{margin:4px 0 0;font-size:15px;word-break:break-all}
.invite-head{background:#e6f6ee;border-radius:10px;padding:10px 12px;margin-bottom:10px}
.invite{margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}.invite input{flex:1;min-width:180px;font-size:13px}
.add-person input{flex:1;min-width:200px}
fieldset .chip{margin:3px}
/* gasto rápido */
.qa-head{display:flex;align-items:center;gap:10px;position:sticky;top:-22px;z-index:2;background:#fff;padding:6px 0;margin-top:-6px}.qa-head h3{flex:1;margin:0}
.qa-nl{display:flex;align-items:center;gap:8px;background:#f7f5ff;border-radius:12px;padding:6px 10px}.qa-nl input{flex:1;border:0;background:transparent;font-size:15px}.qa-nl input:focus{outline:none}
.qa-preview{background:#fffbea;border:1px solid #f3e3a1;border-radius:12px;padding:10px 12px;margin-top:8px;font-size:14px}.pv-title{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.pv{margin:4px 0}.warn{color:#a15c00;font-size:13px}
.qa-amount{display:flex;align-items:baseline;justify-content:center;gap:6px;margin:18px 0 8px}
.qa-amount input{font-size:46px;font-weight:700;text-align:right;width:240px;border:0;border-bottom:2px solid var(--line);border-radius:0;padding:2px 4px}.qa-amount input:focus{outline:none;border-color:var(--brand)}.qa-amount span{font-size:30px;color:var(--muted)}
.qa-concept{display:flex;gap:8px;align-items:center}.qa-concept input{flex:1;font-size:16px;padding:10px 12px}
.emoji-btn{font-size:22px;background:#f0f1f8;border:0;border-radius:10px;width:46px;height:44px;cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}
.qchip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:8px 12px;font:inherit;font-size:14px;cursor:pointer}.qchip.on,.qchip:hover{border-color:var(--brand);color:var(--brand)}
.qa-panel{display:flex;flex-wrap:wrap;gap:6px;background:#fafbfe;border:1px solid var(--line);border-radius:12px;padding:10px}.qa-panel p{width:100%;margin:4px 0 0}
.opt{border:1px solid var(--line);background:#fff;border-radius:16px;padding:6px 12px;font:inherit;font-size:14px;cursor:pointer}.opt.on{background:var(--brand);color:#fff;border-color:var(--brand)}
/* móvil */
@media(max-width:700px){
  header{padding:10px 14px;gap:8px}
  .brand small,.hide-sm{display:none}
  nav{order:3;width:100%;overflow-x:auto;flex:none}nav a{padding:6px 10px;white-space:nowrap}
  .add-btn{display:none!important}
  main{padding:14px 12px 100px}
  .card{padding:14px}
  .hero{flex-direction:column;align-items:stretch}.compare{justify-content:center}.saved{text-align:center}
  .stat{min-width:100px;padding:8px 12px}.stat .n{font-size:28px}
  .auth-wrap{grid-template-columns:1fr;margin:10px auto}.auth-side{display:none}
  .modal{place-items:end center}
  .modal-box{width:100vw;max-height:94vh;border-radius:18px 18px 0 0;padding:16px 16px calc(16px + env(safe-area-inset-bottom))}
  .modal.completa{place-items:start center;background:#fff}
  .modal.completa .modal-box{height:100vh;height:100dvh;max-height:none;border-radius:0;padding-top:10px}
  .modal.completa .qa-head{top:-10px}
  .qa-amount{margin:8px 0 10px}
  .grid-form{grid-template-columns:1fr}
  .part{grid-template-columns:1fr 90px 80px}
  .qa-amount input{font-size:40px;width:200px}
  .tip .bubble{position:fixed;left:12px!important;right:12px;top:auto;bottom:90px;transform:none;width:auto}
  .tbl th,.tbl td{padding:6px 5px;font-size:13px}
}
.grid2>*,.cards>*,.pergroup>*{min-width:0}
@media(max-width:700px){body{overflow-x:hidden}.brand h1{font-size:17px}.tw{margin:0 -4px}}
/* gasto rápido: importe de cada uno (tocado a mano o automático) */
.qa-split{margin-top:10px}
.qa-split:empty{display:none}
.qa-split-head{font-size:14px;margin-bottom:4px}
.qa-rows{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.qa-row{display:grid;grid-template-columns:minmax(70px,1fr) 130px 34px;gap:10px;align-items:center}
.qa-who{display:flex;align-items:center;gap:10px;min-height:44px;background:none;border:0;padding:0;font:inherit;font-size:17px;color:var(--ink);cursor:pointer;text-align:left;min-width:0}
.qa-check{flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;border:2px solid var(--brand)}
.qa-row.fuera .qa-check{background:#fff;border-color:#b9bfd3}
.qa-row.fuera .qa-row-name{color:#8a90a3;font-weight:400}
.qa-fuera{color:#8a90a3;font-size:15px;text-align:right}
.qa-split-head{display:flex;align-items:center;gap:8px;font-size:17px}.qa-todos{margin-left:auto;padding:6px 14px}
.qa-ayuda-reparto{margin:6px 0 0}
.qa-concept{margin-top:14px}
.qa-row-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qa-row-name{cursor:pointer}
.qa-val{font-size:16px;padding:8px 10px;text-align:right;width:100%;box-sizing:border-box;background:#fff;border:1.5px solid #b9bfd3;border-radius:10px;color:#1f2433;cursor:text;font-variant-numeric:tabular-nums}
.qa-val:hover{border-color:var(--brand)}
.qa-val:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.2)}
.qa-val::placeholder{color:#9aa0b2;opacity:1}
.qa-row.edited .qa-val{background:#fff;border:2px solid var(--brand);font-weight:700}
.qa-row.edited .qa-row-name::after{content:" · a mano";font-weight:400;color:var(--brand);font-size:12px}
.qa-reset{visibility:hidden;font-size:18px}
.qa-row.edited .qa-reset{visibility:visible}
.qa-val.bad{border-color:#d33!important;background:#fff4f4}
.qa-split-status{margin:6px 0 0;font-weight:600}
.btn:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:700px){
  .qa-row{grid-template-columns:1fr 120px 40px;gap:8px}
  .qa-val{font-size:17px;padding:10px}
  .qa-reset{font-size:20px;min-height:40px}
}
button,a{-webkit-tap-highlight-color:transparent}
/* fusión por grupo, historial y archivo */
.fusion-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:6px}
.fbadge{font-weight:700;font-size:13px;padding:4px 10px;border-radius:14px}
.fusion-bar.in .fbadge{background:#e6f6ee;color:#11734b}
.fusion-bar.out .fbadge{background:#fdecec;color:#a12626}
.fchip{display:inline-flex;align-items:center;gap:6px}
.fchip.out{background:#fdecec;border-color:#f1b9b9;color:#7a2a2a;text-decoration:line-through;text-decoration-color:rgba(122,42,42,.4)}
.fchip .fstate{font-size:11px;text-decoration:none;opacity:.8;display:inline-block}
.fchip.in .fstate{color:#11734b}
.note{background:#f4f6ff;border-radius:8px;padding:4px 8px;margin:4px 0}
.hist{list-style:none;margin:0;padding:0;max-height:460px;overflow:auto}
.hist li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 2px;border-bottom:1px solid var(--line)}
.hist li.undone .h-main{color:var(--muted);text-decoration:line-through}
.h-when{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;margin-right:4px}
.h-main{font-size:14px;line-height:1.4}
.h-act{flex:none}
@media(max-width:700px){
  .hist li{flex-direction:column;align-items:flex-start;gap:4px}
  .h-act{align-self:flex-end}
  .fusion-bar .btn{flex:none}
}

/* ---------- rediseño: cabecera sencilla, botones abajo en el móvil, letra grande y ayuda ---------- */
body{font-size:16px}
header{background:#fff;color:var(--ink);border-bottom:1px solid var(--line);flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px}.brand h1{font-size:24px;color:var(--brand);line-height:1.1}.brand small{display:none;color:var(--muted);opacity:1;font-size:15px}
body.logged-out .brand small{display:block}
nav a{display:flex;align-items:center;gap:8px;color:var(--muted);opacity:1;font-weight:600}
nav a.active,nav a:hover{background:#eef0fb;color:var(--brand)}
nav svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.add-btn{background:var(--brand);color:#fff;box-shadow:none}
.user-chip{color:var(--ink)}.avatar{background:#eef0fb;color:var(--brand)}
.head-right{position:relative}
.menu{padding:0}.menu>a{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;color:var(--ink);font-size:18px;border-top:1px solid var(--line)}
.menu>a:first-child{border-top:0}.menu>a:hover{text-decoration:none;background:#fafbfe}.menu>a span{color:var(--muted);font-size:26px;line-height:1}

.tip{width:24px;height:24px;font-size:15px;line-height:21px}
header .tip{color:var(--brand);border-color:var(--brand)}
.help-btn{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:6px 14px 6px 8px;background:#fff;color:var(--brand);border:1.5px solid var(--brand);border-radius:22px;font:inherit;font-weight:600;cursor:pointer}
.help-q{width:26px;height:26px;border-radius:50%;border:1.5px solid var(--brand);display:grid;place-items:center;font-weight:700}
.help-btn[aria-pressed="true"]{background:var(--brand);color:#fff}
.help-btn[aria-pressed="true"] .help-q{background:#fff;color:var(--brand);border-color:#fff}
.help-btn.llama{animation:llama-ayuda 1.5s ease-out 4}
@keyframes llama-ayuda{0%{box-shadow:0 0 0 0 rgba(79,70,229,.55)}70%{box-shadow:0 0 0 16px rgba(79,70,229,0)}100%{box-shadow:0 0 0 0 rgba(79,70,229,0)}}
.help-hint{position:absolute;top:calc(100% + 14px);right:0;width:min(300px,calc(100vw - 28px));background:#1d2333;color:#fff;padding:14px 16px;border-radius:12px;font-size:16px;line-height:1.4;z-index:45;pointer-events:none;box-shadow:0 8px 24px rgba(0,0,0,.25);animation:entra-aviso .35s ease-out}
.help-hint::before{content:"";position:absolute;top:-8px;right:34px;border:8px solid transparent;border-top:0;border-bottom-color:#1d2333}
@keyframes entra-aviso{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.help-btn.llama,.help-hint{animation:none}.help-btn.llama{outline:3px solid var(--brand);outline-offset:3px}}

@media(max-width:700px){
  body{font-size:18px}
  header{padding:10px 14px}
  .brand h1{font-size:26px}
  body.logged-out .brand small{display:block;font-size:16px}
  .user-chip{display:none}
  nav{position:fixed;left:0;right:0;bottom:0;order:0;width:auto;overflow:visible;z-index:30;gap:0;background:#fff;border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
  nav a{flex:1;flex-direction:column;gap:2px;justify-content:center;min-height:62px;padding:4px;font-size:16px;border-radius:12px}
  nav svg{width:28px;height:28px}
  main{padding:16px 14px calc(110px + env(safe-area-inset-bottom))}
  .toast{bottom:calc(92px + env(safe-area-inset-bottom));width:max-content;max-width:calc(100vw - 28px);font-size:17px}
  h2{font-size:26px}h3{font-size:21px}h4{font-size:19px}
  .small,details,.muted.small{font-size:16px}
  label{font-size:17px}
  input,select,textarea{font-size:18px}
  .btn{font-size:18px;padding:12px 18px;min-height:50px;border-radius:12px}
  .btn.small{font-size:16px;padding:9px 14px;min-height:44px}
  .btn.big{font-size:19px;padding:14px 22px}
  .chip,.qchip,.opt{font-size:17px;padding:9px 14px}
  .badge{font-size:15px;padding:2px 10px}
  .amt{font-size:20px}
  .tbl th{font-size:14px}.tbl td{font-size:17px;padding:10px 6px}
  .stat span{font-size:16px}.stat .n{font-size:36px}
  .tip{width:30px;height:30px;font-size:18px;line-height:27px;margin-left:4px}
  .tip .bubble{font-size:17px;bottom:calc(92px + env(safe-area-inset-bottom));padding:14px 16px}
  .tip .bubble b{font-size:18px}
  .icon{font-size:20px;min-width:44px;min-height:44px}
}

/* ---------- pantalla de inicio ---------- */
#inicio{max-width:620px;margin:0 auto}
.totales{position:relative;padding:8px 0 18px}
.total+.total{margin-top:14px}
.total-que{margin:0;font-size:19px;color:var(--muted)}
.total-num{margin:2px 0 0;font-size:46px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.totales-ayuda{position:absolute;top:8px;right:0}
.btn.ancho{display:block;width:100%;text-align:center}
#inicio h3{margin:26px 0 10px}
.inicio-grupo{display:flex;align-items:center;gap:12px;padding:14px 16px 14px 20px;border-top:1px solid var(--line)}
.inicio-grupo:first-child{border-top:0}
.inicio-grupo a{flex:1;min-width:0;color:var(--ink);display:flex;flex-wrap:wrap;gap:2px 14px;font-size:18px}
.inicio-grupo a:hover{text-decoration:none}
.inicio-grupo .btn{flex:none;white-space:nowrap}
.inicio-grupo b{font-weight:600}
.inicio-grupo span{font-size:17px;color:inherit;font-weight:600;white-space:nowrap}
.inicio-grupo .neg{color:var(--neg)}.inicio-grupo .pos{color:var(--pos)}.inicio-grupo .ok{color:var(--muted)}
@media(max-width:700px){
  .total-que{font-size:21px}
  .total-num{font-size:54px}
  #inicio .btn.big{font-size:21px;padding:17px 22px}
  .inicio-grupo b{width:100%;font-size:20px}
  .inicio-grupo span{font-size:19px}
}

/* ---------- pantalla de grupo ---------- */
#grupo{max-width:680px;margin:0 auto}
.volver{display:inline-block;padding:8px 0;color:var(--muted)}
#grupo h2{margin:2px 0 10px}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);margin:18px 0 16px;border-bottom:2px solid var(--line)}
.tab{background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-2px;padding:12px 4px;min-height:52px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer}
.tab.on{color:var(--brand);border-bottom-color:var(--brand)}
.deudas{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:12px}
.deuda{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:center}
.deuda p{margin:0}.deuda-num{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.deuda .btn{grid-column:1/-1;margin-top:8px}
.deuda.mia{border-color:var(--brand);grid-template-columns:1fr}
.deuda.mia .deuda-num{font-size:30px}
.deuda:not(.mia) .btn{justify-self:start}
.grande{font-size:21px;font-weight:600}
.ayuda-linea{margin:0}
body:not(.ayuda) .ayuda-linea{display:none}
details.plegable{font-size:inherit;color:inherit;margin-top:18px}
details.plegable>summary{cursor:pointer;padding:12px 0;font-weight:600;color:var(--brand);min-height:44px}
details.plegable>.card,details.plegable>.btn{margin-top:12px}
.grupo-mas{border-top:1px solid var(--line);margin-top:28px!important}
.gasto{font-size:inherit;color:inherit;margin:0;border-top:1px solid var(--line)}
.gasto:first-child{border-top:0}
.gasto summary{display:flex;align-items:center;gap:12px;padding:14px 18px;cursor:pointer;list-style:none}
.gasto summary::-webkit-details-marker{display:none}
.g-txt{flex:1;min-width:0}.g-txt b{display:block;font-weight:600}.g-txt small{display:block;color:var(--muted);font-size:15px}
.g-num{font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}
.g-det{padding:0 18px 16px}.g-det p{margin:0 0 10px;color:var(--muted)}
.g-acc{display:flex;gap:10px}
.vacio{padding:18px;margin:0}
.persona{display:flex;align-items:center;gap:10px;padding:12px 8px 12px 18px;border-top:1px solid var(--line)}
.persona:first-child{border-top:0}
.p-txt{flex:1;min-width:0}.p-txt a{font-weight:600}.p-txt small{display:block;color:var(--muted);font-size:15px}
.p-num{font-weight:700;white-space:nowrap}
.add-person{margin:18px 0 0;display:block}
.add-person .btn{margin-top:4px}
.invite h3{margin-bottom:10px}
.invite input{width:100%;margin-bottom:10px}
@media(max-width:700px){
  .tab{font-size:18px;min-height:56px}
  .g-txt small,.p-txt small{font-size:16px}
  .deuda.mia .deuda-num{font-size:34px}
}
#exp-table{margin-top:14px}

/* ---------- juntar deudas, personas, perfil y nuevo gasto ---------- */
#juntar,#personas,#persona,#perfil{max-width:680px;margin:0 auto}
#juntar .compare{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:stretch;margin:14px 0 22px}
#juntar .compare .stat{min-width:0;padding:12px 8px}
#juntar .compare .arrow{align-self:center}
#juntar .compare .saved{grid-column:1/-1;width:auto;text-align:center}
#juntar .deuda-ruta{grid-column:1/-1;font-size:16px;margin-top:6px}
#juntar h3{margin-top:6px}
.j-plegable{border-top:1px solid var(--line);margin-top:6px}
.j-plegable .btn{margin-top:10px}
#perfil>.btn{margin-top:14px}
#perfil .plegable{margin-top:10px}
#persona .card>p{margin:8px 0 0}
a.btn.ancho{margin-top:10px}
.qa-reparto{margin-top:8px}
@media(max-width:700px){
  #juntar .compare .stat span:not(.n){font-size:15px}
  .qchip{font-size:18px;padding:12px 16px}
  .chips{gap:10px}
}
#view>.row-between{margin-bottom:14px}

/* ---------- logo ---------- */
.marca{width:48px;height:34px;flex:none;display:block}
@media(max-width:700px){.marca{width:52px;height:37px}}

/* ---------- leer tique ---------- */
.qa-tique{display:flex;justify-content:center;align-items:center;gap:6px;margin:0 auto 6px;width:max-content;cursor:pointer;font-size:17px}
.qa-tique input{display:none!important}.qa-tique{white-space:nowrap}
.qa-tique.ocupado{opacity:.5;pointer-events:none}
.qa-tique-msg{text-align:center;margin:0 0 8px}
.qa-tique-msg:empty{display:none}
.qa-tique-msg.ok{color:var(--ok,#0f9d58);font-weight:600}

/* ---------- título con frase y micrófono ---------- */
.qa-titulo{flex:1;min-width:0;display:flex;align-items:center;border:1.5px solid #b9bfd3;border-radius:12px;background:#fff;padding-right:2px}
.qa-titulo:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.2)}
.qa-titulo input{flex:1;min-width:0;border:0;background:transparent;font-size:19px;font-weight:700;padding:9px 10px}
.qa-titulo input:focus{outline:none}
.qa-titulo input::placeholder{color:#1f2433;opacity:.55}
.qa-mic{font-size:20px;min-width:40px;min-height:40px;border-radius:10px}
.qa-mic.escucha{background:#fde8e8;animation:latido 1s ease-in-out infinite}
@keyframes latido{50%{transform:scale(1.12)}}
.qa-titulo-ayuda{margin:2px 0 0}
#qa-preview{margin-top:6px}
/* ---------- productos del tique ---------- */
.qa-lineas{margin-top:12px}
.qa-linea{border-top:1px solid var(--line);padding:8px 0}
.qa-linea-top{display:flex;justify-content:space-between;gap:10px;font-size:16px}
.qa-linea-quien{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:6px}
.qa-linea-quien .opt{font-size:15px;padding:6px 12px}
#qa-lineas-msg.ok{color:var(--ok,#0f9d58)}

/* ---------- añadir persona sin salir del gasto ---------- */
.qa-nueva{display:flex;gap:8px;align-items:center;margin-top:8px}
.qa-nueva input{flex:1;min-width:0;font-size:17px;padding:9px 10px}
.qa-nueva-dicha{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin:8px 0}

/* Editar gasto: tique compartido, QR y aviso de Inicio */
.qa-linea-quien .opt:disabled{opacity:.45;cursor:default}
.qchip.fijo{cursor:default;background:var(--soft,#f3f4f6)}
.qa-compartir{margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.qa-compartir-bot{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.qa-qr{margin-top:10px;text-align:center}
.qa-qr svg{width:min(240px,70vw);height:auto;background:#fff}
.qa-avanzado{margin-top:12px}
.aviso-tique{border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;padding:10px 12px;margin:10px 0;background:#fff}
.aviso-tique p{margin:0 0 8px}
.aviso-acc{display:flex;flex-wrap:wrap;gap:8px}

/* Instalar la app en el móvil */
.instalar{margin-bottom:14px}
.instalar-pasos ol{padding-left:22px;font-size:18px;line-height:1.5}
.instalar-pasos li{margin-bottom:10px}