:root{
  --bg:#f7f2e8;
  --paper:#fffdf9;
  --paper-strong:#fff8ef;
  --ink:#1d2433;
  --muted:#6f7281;
  --line:#ddcfbf;
  --brand:#c45a3d;
  --brand-deep:#8f3b28;
  --blue:#1f4f6e;
  --sand:#b38743;
  --green:#2c7a54;
  --danger:#a93d2d;
  --shadow:0 18px 40px rgba(41,35,29,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--ink);
  background:
    radial-gradient(circle at top left, rgba(196,90,61,.12), transparent 28%),
    radial-gradient(circle at top right, rgba(31,79,110,.12), transparent 26%),
    linear-gradient(180deg, #fbf7f0 0%, var(--bg) 100%);
  font:15px/1.45 "Segoe UI Variable","Segoe UI",system-ui,sans-serif;
}
button,input,select,textarea{font:inherit}
button{
  border:0;
  border-radius:16px;
  padding:12px 16px;
  cursor:pointer;
  background:var(--brand);
  color:#fff9f3;
  font-weight:700;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow:0 10px 20px rgba(196,90,61,.18);
}
button:hover{transform:translateY(-1px)}
button:disabled{opacity:.7;cursor:wait;transform:none}
button.ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line);
  box-shadow:none;
}
button.ghost.danger{color:var(--danger)}
input,select,textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--paper);
  color:var(--ink);
  padding:13px 14px;
  outline:none;
}
input:focus,select:focus,textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(196,90,61,.12);
}
textarea{min-height:110px;resize:vertical}
h1,h2,h3{
  margin:0;
  font-family:Georgia,"Times New Roman",serif;
  letter-spacing:-.03em;
}
p{margin:0}
small{color:var(--muted)}
.eyebrow{
  margin:0 0 8px;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.72rem;
  font-weight:800;
  color:var(--brand-deep);
}
.muted-copy{color:var(--muted)}
.app-shell{
  width:min(1120px,calc(100% - 24px));
  margin:0 auto;
  padding:24px 0 110px;
}
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:16px;
  margin-bottom:18px;
}
.topbar h1{
  font-size:clamp(1.8rem,3vw,2.8rem);
  max-width:11ch;
}
.top-nav,.mobile-nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.top-nav{
  margin-bottom:22px;
}
.nav-chip{
  background:rgba(255,255,255,.55);
  color:var(--ink);
  border:1px solid rgba(143,59,40,.15);
  box-shadow:none;
}
.nav-chip.active{
  background:var(--ink);
  color:#fff;
}
.hero-card,.panel,.expense-card,.quick-card,.loading-card,.auth-panel,.empty-state,.notice-banner{
  background:rgba(255,253,249,.92);
  border:1px solid rgba(143,59,40,.14);
  box-shadow:var(--shadow);
}
.hero-card{
  border-radius:32px;
  padding:28px;
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:24px;
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:"";
  position:absolute;
  inset:0 auto auto 0;
  width:180px;
  height:8px;
  background:linear-gradient(90deg,var(--brand),transparent);
}
.hero-copy h1{font-size:clamp(2rem,4vw,3.35rem);margin-bottom:10px}
.hero-copy p:last-child{color:var(--muted);max-width:44ch}
.hero-grid{
  display:grid;
  gap:12px;
}
.metric-card{
  padding:18px;
  border-radius:24px;
  color:#fff;
  min-height:102px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.metric-card span{
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  opacity:.86;
}
.metric-card strong{font-size:1.5rem;line-height:1}
.accent-coral{background:linear-gradient(135deg,#cf6d4f,#9e412d)}
.accent-blue{background:linear-gradient(135deg,#2c617f,#163b53)}
.accent-sand{background:linear-gradient(135deg,#c99f56,#8c6732)}
.content-shell,.section-stack{display:grid;gap:20px}
.section-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.section-header h2{font-size:1.8rem}
.two-column{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.quick-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.quick-card,.panel,.expense-card,.empty-state,.loading-card{
  border-radius:28px;
  padding:22px;
}
.quick-card h3,.expense-card h3,.panel h3,.empty-state h2,.loading-card h2{
  font-size:1.35rem;
  margin:8px 0 8px;
}
.quick-card p,.member-card p,.participant-row p,.ocr-note{color:var(--muted)}
.status-pill{
  width:max-content;
  border-radius:999px;
  padding:6px 10px;
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:800;
}
.status-pill.pending{background:#ffe6d5;color:#8f3b28}
.status-pill.paid{background:#ddf5e7;color:#1c6545}
.notice-banner{
  margin-bottom:18px;
  border-radius:20px;
  padding:14px 16px;
  color:var(--blue);
}
.list-block,.expense-stack,.member-stack,.split-list,.participant-list{display:grid;gap:12px}
.list-row,.member-card,.participant-row,.split-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  border:1px solid rgba(143,59,40,.1);
  border-radius:18px;
  background:var(--paper);
  padding:14px 15px;
}
.expense-card{display:grid;gap:18px}
.expense-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
}
.expense-category{
  color:var(--brand-deep);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  font-weight:800;
  margin-bottom:6px;
}
.expense-amount{
  font:700 1.45rem/1 "Segoe UI Variable","Segoe UI",sans-serif;
  white-space:nowrap;
}
.participant-row{
  align-items:flex-start;
}
.participant-row.is-paid{background:#f5fbf7}
.participant-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.proof-label{
  display:grid;
  gap:6px;
  font-size:.84rem;
  color:var(--muted);
}
.proof-label input{max-width:220px;padding:8px}
.expense-actions{
  display:flex;
  justify-content:flex-end;
  gap:10px;
  flex-wrap:wrap;
}
.editor-shell{
  display:grid;
  gap:18px;
}
.grid-two{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.field{
  display:grid;
  gap:8px;
}
.field span{
  font-size:.88rem;
  color:var(--muted);
  font-weight:700;
}
.upload-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.upload-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  border-radius:16px;
  padding:0 16px;
  background:#f8ece4;
  color:var(--brand-deep);
  border:1px solid rgba(143,59,40,.16);
  font-weight:700;
  position:relative;
  overflow:hidden;
}
.upload-chip.dark{
  background:#1f4f6e;
  color:#fff;
}
.upload-chip input{
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
}
.ocr-note{
  margin-top:12px;
  padding:14px 15px;
  border-radius:16px;
  background:#f7f2ea;
}
.sticky-actions{
  position:sticky;
  bottom:86px;
  display:flex;
  justify-content:flex-end;
}
.compact-form{height:max-content}
.member-card strong,.participant-row strong,.list-row strong{font-size:1rem}
.member-balance{font-weight:800}
.auth-shell,.loading-shell{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:24px;
}
.auth-panel,.loading-card,.empty-state{
  width:min(560px,100%);
  border-radius:32px;
  padding:28px;
}
.auth-panel h1{font-size:clamp(2.2rem,5vw,3.3rem);margin-bottom:12px}
.auth-copy{color:var(--muted);margin-bottom:22px}
.auth-form{display:grid;gap:14px}
.auth-actions{display:flex;gap:12px;flex-wrap:wrap}
.form-error{min-height:22px;color:var(--danger)}
.mobile-nav{
  display:none;
  position:fixed;
  left:12px;
  right:12px;
  bottom:12px;
  padding:10px;
  border-radius:22px;
  background:rgba(255,253,249,.94);
  border:1px solid rgba(143,59,40,.14);
  box-shadow:var(--shadow);
  justify-content:space-between;
}
.mobile-nav .nav-chip{
  flex:1;
  padding-inline:10px;
}
.empty-state.compact{width:100%}
@media (max-width: 920px){
  .hero-card,
  .two-column,
  .quick-grid,
  .grid-two{
    grid-template-columns:1fr;
  }
  .topbar{align-items:flex-start;flex-direction:column}
  .sticky-actions{bottom:96px}
}
@media (max-width: 640px){
  .app-shell{width:min(100% - 16px,1120px);padding-top:16px}
  .top-nav{display:none}
  .mobile-nav{display:flex}
  .hero-card,.panel,.expense-card,.quick-card,.loading-card,.auth-panel,.empty-state{border-radius:24px;padding:18px}
  .topbar h1{max-width:unset;font-size:2rem}
  .section-header{align-items:flex-start;flex-direction:column}
  .expense-top,
  .expense-actions,
  .participant-actions,
  .list-row,
  .member-card,
  .participant-row,
  .split-row,
  .auth-actions{
    flex-direction:column;
    align-items:flex-start;
  }
  .expense-amount{font-size:1.25rem}
  .sticky-actions{bottom:90px}
  .sticky-actions button{width:100%}
}
/* Interfaz compacta y estable */
:root{
  --bg:#f4f6f8;
  --paper:#ffffff;
  --paper-strong:#f8fafb;
  --ink:#17202a;
  --muted:#66717d;
  --line:#dfe4e8;
  --brand:#d45137;
  --brand-deep:#a43825;
  --blue:#255c77;
  --green:#247454;
  --danger:#b5352d;
  --shadow:0 4px 16px rgba(23,32,42,.06);
}
html{scroll-padding-top:12px}
body{background:var(--bg);font:14px/1.4 "Segoe UI Variable","Segoe UI",system-ui,sans-serif}
h1,h2,h3{font-family:inherit;letter-spacing:-.015em}
button{border-radius:10px;padding:9px 12px;box-shadow:none;min-height:38px}
button:hover{transform:none;background:var(--brand-deep)}
button.ghost:hover{background:#f2f4f6}
input,select,textarea{border-radius:9px;padding:10px 11px;background:#fff}
textarea{min-height:82px}
.eyebrow{margin-bottom:3px;font-size:.67rem;letter-spacing:.12em}
.app-shell{width:min(920px,calc(100% - 24px));padding:16px 0 84px}
.topbar{align-items:center;margin-bottom:10px;min-height:42px}
.topbar h1{font-size:1.35rem;max-width:none;line-height:1.15}
.topbar .eyebrow{margin-bottom:1px}
.top-nav{gap:6px;margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:10px}
.nav-chip{border:0;border-radius:8px;padding:7px 11px;min-height:34px;background:transparent;color:var(--muted)}
.nav-chip.active{background:#17202a;color:#fff}
.content-shell,.section-stack{gap:12px}
.summary-strip,.panel,.expense-card,.quick-card,.loading-card,.auth-panel,.empty-state,.notice-banner{
  background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow)
}
.summary-strip{display:grid;grid-template-columns:minmax(150px,.8fr) 2fr;gap:10px;border-radius:14px;padding:12px}
.summary-title{display:flex;flex-direction:column;justify-content:center;padding:4px 8px}
.summary-title strong{font-size:1.45rem}
.hero-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.metric-card{min-height:64px;border-radius:10px;padding:10px 12px}
.metric-card span{font-size:.68rem;letter-spacing:.08em}
.metric-card strong{font-size:1.12rem}
.section-header{gap:10px}
.section-header h2{font-size:1.18rem}
.primary-small{min-height:36px;padding:8px 11px}
.quick-grid{gap:10px}
.quick-card,.panel,.expense-card,.empty-state,.loading-card{border-radius:14px;padding:14px}
.quick-card h3,.expense-card h3,.panel h3,.empty-state h2,.loading-card h2{font-size:1.08rem;margin:4px 0}
.quick-card button{margin-top:9px}
.two-column{gap:12px}
.list-block,.expense-stack,.member-stack,.split-list,.participant-list{gap:8px}
.list-row,.member-card,.participant-row,.split-row{border-radius:10px;padding:10px 11px;gap:10px}
.notice-banner{position:relative;margin:0 0 12px;border-radius:10px;padding:10px 12px;background:#edf7fb;color:#174b64}
.expense-card{gap:10px;scroll-margin-top:12px;transition:border-color .2s ease,background .2s ease}
.expense-card.is-new{border:2px solid var(--brand);background:#fff9f6;animation:newExpense 1.8s ease}
@keyframes newExpense{0%,45%{box-shadow:0 0 0 4px rgba(212,81,55,.16)}100%{box-shadow:var(--shadow)}}
.expense-top{align-items:center;gap:12px}
.expense-card h3{font-size:1.05rem}
.expense-category{font-size:.64rem;margin-bottom:2px}
.expense-amount{font-size:1.15rem}
.expense-divider{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.75rem}
.expense-divider::after{content:"";height:1px;background:var(--line);flex:1}
.participant-row{display:grid;grid-template-columns:minmax(120px,.45fr) 1fr;align-items:center;background:#fbfcfd}
.participant-row.is-paid{background:#f3faf6}
.participant-row p{font-size:.82rem}
.participant-actions{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:8px;justify-content:stretch}
.status-pill{padding:4px 7px;font-size:.62rem;letter-spacing:.07em}
.payment-entry{min-width:0}
.payment-entry>summary{cursor:pointer;color:var(--blue);font-size:.76rem;font-weight:800;list-style:none;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fff}
.payment-entry>summary::-webkit-details-marker{display:none}
.payment-control{display:grid;grid-template-columns:minmax(170px,1fr) auto;align-items:end;gap:8px}
.payment-entry .payment-control{padding:8px 0 2px}
.proof-label{font-size:.73rem;gap:3px}
.proof-label input{max-width:none;width:100%;padding:6px;font-size:.78rem}
.pay-button{white-space:nowrap;font-size:.82rem;background:var(--blue)}
.pay-button:hover{background:#17445b}
.expense-actions{border-top:1px solid var(--line);padding-top:8px}
.expense-actions button{min-height:32px;padding:6px 9px;font-size:.8rem}
.editor-shell{gap:12px}
.grid-two{gap:10px}
.field{gap:4px}
.field span{font-size:.8rem}
.upload-chip{min-height:40px;border-radius:9px;padding:0 12px}
.ocr-note{margin-top:8px;padding:10px 11px;border-radius:9px;font-size:.82rem}
.sticky-actions{position:static;justify-content:flex-end;background:transparent}
.sticky-actions button{min-width:170px}
.mobile-nav{border-radius:14px;left:8px;right:8px;bottom:calc(8px + env(safe-area-inset-bottom));padding:6px;gap:2px}
.mobile-nav .nav-chip{font-size:.73rem;padding:7px 4px;min-height:38px}
.loading-card{display:flex;align-items:center;gap:14px;width:min(420px,100%)}
.spinner{width:24px;height:24px;flex:0 0 auto;border:3px solid #e5e9ec;border-top-color:var(--brand);border-radius:50%;animation:spin .75s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.auth-panel{border-radius:18px;padding:22px}
.auth-panel h1{font-size:1.8rem}
@media (max-width:640px){
  .app-shell{width:100%;padding:10px 10px calc(76px + env(safe-area-inset-bottom))}
  .topbar{flex-direction:row;align-items:center;margin-bottom:8px}
  .topbar h1{font-size:1.2rem}
  .topbar-actions button{min-height:32px;padding:6px 9px;font-size:.78rem}
  .summary-strip{grid-template-columns:1fr;padding:10px}
  .summary-title{padding:0 2px;flex-direction:row;align-items:baseline;justify-content:space-between}
  .summary-title strong{font-size:1.2rem}
  .hero-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-card{min-height:56px}
  .section-header{flex-direction:row;align-items:center}
  .expense-heading{position:static;background:transparent}
  .quick-grid,.two-column,.grid-two{grid-template-columns:1fr}
  .panel,.expense-card,.quick-card,.empty-state{border-radius:12px;padding:12px}
  .expense-top{flex-direction:row;align-items:flex-start}
  .expense-amount{font-size:1rem}
  .participant-row{grid-template-columns:1fr;align-items:stretch;padding:9px}
  .participant-actions{grid-template-columns:1fr;justify-items:start}
  .payment-control{width:100%;grid-template-columns:1fr}
  .pay-button{width:100%;white-space:normal;text-align:center;min-height:40px}
  .expense-actions{flex-direction:row;align-items:center}
  .list-row,.member-card,.split-row{flex-direction:row;align-items:center}
  .sticky-actions button{width:100%}
  .upload-actions{display:grid;grid-template-columns:1fr 1fr}
  .upload-actions #ocr{grid-column:1/-1}
}

/* Gastos colapsables y selección de participantes */
.expense-summary{
  list-style:none;
  cursor:pointer;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:14px;
}
.expense-summary::-webkit-details-marker{display:none}
.expense-summary-copy{min-width:0}
.expense-summary-copy h3,.expense-summary-copy small{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.expense-summary-side{
  display:grid;
  grid-template-columns:auto auto 22px;
  align-items:center;
  gap:10px;
}
.expense-tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.count-tag{
  border-radius:999px;
  padding:4px 7px;
  font-size:.68rem;
  font-weight:800;
  white-space:nowrap;
}
.pending-count{background:#fff0e5;color:#9a3f26}
.paid-count{background:#e4f5eb;color:#236344}
.collapse-icon{
  display:grid;
  place-items:center;
  width:22px;
  height:22px;
  color:var(--muted);
  font-size:1.1rem;
  transition:transform .18s ease;
}
.expense-card[open] .collapse-icon{transform:rotate(180deg)}
.expense-body{
  display:grid;
  gap:10px;
  padding-top:10px;
  border-top:1px solid var(--line);
}
.split-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin:10px 0 8px;
  color:var(--muted);
  font-size:.78rem;
}
.split-toolbar>div{display:flex;gap:6px}
.mini-button{min-height:30px;padding:5px 8px;font-size:.74rem}
.split-row{
  display:grid;
  grid-template-columns:minmax(150px,1fr) minmax(110px,170px);
  align-items:center;
  opacity:.72;
  transition:opacity .15s ease,border-color .15s ease,background .15s ease;
}
.split-row.is-selected{
  opacity:1;
  border-color:rgba(212,81,55,.32);
  background:#fff9f6;
}
.member-toggle{display:flex;align-items:center;gap:9px;font-weight:700;cursor:pointer}
.member-toggle input{width:18px;height:18px;accent-color:var(--brand);flex:0 0 auto}
.split-row input[data-member]:disabled{background:#eef1f3;color:var(--muted);cursor:not-allowed}
.payer-field{margin:10px 0 4px}
.payer-field small{display:block;margin-top:5px;color:var(--muted);font-size:.75rem}
.paid-by-label{display:block;margin-top:3px;color:var(--blue);font-size:.72rem;font-weight:800}
.member-card small{display:block;margin-top:2px;color:var(--muted);font-size:.74rem}
.member-card-side{display:grid;justify-items:end;gap:7px}
.member-actions{display:flex;gap:5px}
.danger-text{color:#a63d2d}
.category-manager{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,360px);align-items:end;gap:18px}
.category-form{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:9px}
.category-form button{min-height:46px}
.category-tags{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:7px;padding-top:13px;border-top:1px solid var(--line)}
.category-tags span{display:inline-flex;align-items:center;min-height:30px;padding:5px 10px;border-radius:999px;background:#f8ece4;color:var(--brand-deep);font-size:.76rem;font-weight:800}
.payment-record{width:100%}
.payment-record>summary{cursor:pointer;color:var(--blue);font-size:.78rem;font-weight:800;list-style:none}
.payment-record>summary::-webkit-details-marker{display:none}
.payment-record-body{display:grid;gap:7px;margin-top:8px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:9px}
.payment-history{grid-column:1/-1;width:100%;margin-top:4px;padding:8px 10px;background:#f7fafc;border:1px solid var(--line);border-radius:9px}
.payment-history>summary{cursor:pointer;color:var(--blue);font-size:.78rem;font-weight:800;list-style:none}
.payment-history>summary::-webkit-details-marker{display:none}
.payment-history-list{display:grid;gap:7px;margin-top:8px}
.payment-edit-form{display:grid;grid-template-columns:minmax(100px,.55fr) minmax(130px,1fr) auto;align-items:end;gap:8px}
.payment-edit-form label{display:grid;gap:3px}
.payment-edit-form label span{color:var(--muted);font-size:.7rem}
.payment-edit-form input{width:100%;min-width:0;padding:7px;border:1px solid var(--line);border-radius:7px;background:var(--paper);font:inherit;font-size:.8rem}
.payment-edit-form button{min-height:34px;padding:6px 9px;font-size:.75rem}
.payment-record-body>div{display:flex;justify-content:space-between;gap:10px}
.payment-record-body span{color:var(--muted);font-size:.73rem}
.payment-record-body strong{font-size:.78rem;text-align:right}
.proof-preview{display:grid;grid-template-columns:54px 1fr;align-items:center;gap:9px;color:var(--blue);font-size:.77rem;font-weight:800}
.proof-preview img{width:54px;height:54px;object-fit:cover;border:1px solid var(--line);border-radius:7px}
.no-proof{font-size:.75rem;color:var(--muted)}
.debt-filter-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:end;
  gap:16px;
}
.debt-filter-controls{
  display:grid;
  grid-template-columns:repeat(2,minmax(150px,1fr)) auto;
  align-items:end;
  gap:9px;
}
.context-balance{
  display:grid;
  gap:2px;
  min-width:190px;
  padding:12px 14px;
  border-radius:14px;
  background:var(--blue);
  color:#fff;
}
.context-balance span{font-size:.72rem;font-weight:700;opacity:.8}
.context-balance strong{font-size:1.25rem;line-height:1.1}
.payment-note-label{display:grid;gap:5px;color:var(--muted);font-size:.78rem}
.payment-note-label input{width:100%;max-width:220px;padding:9px}
@media (max-width:640px){
  input,select,textarea{font-size:16px}
  .expense-summary{grid-template-columns:minmax(0,1fr);gap:8px}
  .expense-summary-side{grid-template-columns:auto 1fr 22px}
  .expense-tags{justify-content:flex-start}
  .expense-summary-copy h3,.expense-summary-copy small{max-width:100%}
  .count-tag{font-size:.64rem}
  .split-toolbar{align-items:flex-start;flex-direction:column}
  .split-row{grid-template-columns:minmax(0,1fr) 110px}
  .member-card{align-items:flex-start}
  .member-card-side{justify-items:end}
  .category-manager{grid-template-columns:1fr;align-items:stretch}
  .category-form{grid-template-columns:minmax(0,1fr) auto}
  .debt-filter-panel{grid-template-columns:1fr;align-items:stretch}
  .debt-filter-controls{grid-template-columns:1fr 1fr}
  .debt-filter-controls button{grid-column:1/-1}
  .context-balance{min-width:0}
  .payment-note-label input{max-width:none}
}
.report-period{display:grid;gap:5px;min-width:190px}.report-period span,.report-date-filter span{font-size:.76rem;color:var(--muted);font-weight:700}.report-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.report-kpi{display:grid;gap:4px;padding:15px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}.report-kpi span{font-size:.72rem;color:var(--muted);font-weight:700}.report-kpi strong{font-size:1.35rem;letter-spacing:-.03em}.report-kpi small{font-size:.72rem}.report-kpi.featured{background:var(--ink);border-color:var(--ink);color:#fff}.report-kpi.featured span,.report-kpi.featured small{color:rgba(255,255,255,.7)}.report-kpi.warning{border-color:#edc5a8;background:#fff8f2}.report-kpi.warning strong,.report-pending{color:var(--brand-deep)}.report-date-filter{display:flex;align-items:end;gap:10px}.report-date-filter .field{flex:1}.report-date-filter button{min-height:40px}.report-panel{padding:16px}.monthly-report{display:grid;gap:13px}.monthly-row{display:grid;grid-template-columns:minmax(140px,1fr) minmax(180px,2fr) auto;align-items:center;gap:14px}.monthly-label{display:grid;gap:3px}.monthly-label small{font-size:.72rem}.monthly-chart{display:grid;gap:5px}.report-bar{height:8px;background:#edf2f5;border-radius:99px;overflow:hidden}.report-bar i{display:block;height:100%;background:var(--brand);border-radius:inherit}.report-bar.settled i{background:var(--blue)}.monthly-total{white-space:nowrap}.report-legend{display:flex;gap:18px;margin-top:16px;color:var(--muted);font-size:.72rem}.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;background:var(--brand)}.legend-dot.settled{background:var(--blue)}.report-list{display:grid;gap:8px}.report-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.report-row>div{display:grid;gap:3px}.report-row small{color:var(--muted);font-size:.72rem}.report-row-amount{text-align:right}.report-row.clickable{cursor:pointer}.report-row.clickable:hover{background:#faf7f3;padding-inline:8px}.report-bars{display:grid;gap:16px}.report-bar-row{display:grid;gap:7px}.report-bar-row>div:first-child{display:flex;justify-content:space-between;gap:12px}.report-bar-row>div:first-child span{display:grid;gap:2px}.report-bar-row>small{font-size:.7rem;color:var(--muted)}.report-bar.blue i{background:var(--blue)}
.monthly-category-breakdown{grid-column:1/-1;display:grid;gap:5px;margin:0 0 2px 0;padding:8px 10px 2px;border-left:2px solid var(--line);background:#fbfcfd}.monthly-category-breakdown div{display:flex;justify-content:space-between;gap:12px;font-size:.78rem}.monthly-category-breakdown small{color:var(--muted);font-size:.68rem}
@media (max-width:920px){.report-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.monthly-row{grid-template-columns:1fr auto}.monthly-chart{grid-column:1/-1;grid-row:2}.monthly-total{grid-column:2;grid-row:1}}
@media (max-width:640px){.report-kpis{grid-template-columns:1fr 1fr}.report-date-filter{display:grid;grid-template-columns:1fr 1fr}.report-date-filter button{grid-column:1/-1}.monthly-row{grid-template-columns:1fr auto}.report-kpi strong{font-size:1.1rem}}

@media (max-width:640px){.payment-edit-form{grid-template-columns:1fr}.payment-entry,.payment-history{grid-column:1/-1;width:100%}}

.personal-account{width:min(760px,100%);margin-inline:auto}
.personal-account-hero{display:grid;gap:5px;padding:20px;border-radius:18px;background:var(--blue);color:#fff}
.personal-account-hero .eyebrow,.personal-account-hero p{margin:0;color:#dbe8ef}
.personal-account-hero h2{margin:0;font-size:1.2rem}
.personal-account-hero>strong{font-size:clamp(2.2rem,9vw,3.3rem);line-height:1.1}
.personal-account-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.personal-account-stats article{display:grid;gap:5px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
.personal-account-stats span,.personal-expense-body span,.personal-expense small{color:var(--muted);font-size:.76rem}
.personal-account-stats strong{font-size:1.1rem}
.personal-creditors{padding:15px}
.personal-creditors .section-header{margin:0 0 8px}
.personal-creditors h2{margin:0;font-size:1rem}
.personal-creditor-list{display:grid;gap:5px}
.personal-creditor-list>div{display:flex;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:9px;background:#f7fafc;font-size:.88rem}
.personal-creditor-list>div strong{white-space:nowrap}
.personal-creditor-list-spaced{margin-top:10px}
.personal-credit-list{display:grid;gap:7px;margin-top:10px}
.personal-creditor-expenses{padding:8px 10px;border-radius:9px;background:#f7fafc}
.personal-creditor-expenses>summary{display:flex;justify-content:space-between;gap:8px;cursor:pointer;font-size:.83rem;list-style:none}
.personal-creditor-expenses>summary::-webkit-details-marker{display:none}
.personal-creditor-expenses .personal-expense-list{margin-top:8px}
.personal-history{padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
.personal-history>summary{cursor:pointer;font-weight:800;font-size:.88rem;list-style:none}
.personal-history>summary::-webkit-details-marker,.personal-expense>summary::-webkit-details-marker{display:none}
.personal-expense-list{display:grid;gap:7px;margin-top:10px}
.personal-expense{border:1px solid var(--line);border-radius:10px;background:#fff}
.personal-expense>summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px;list-style:none}
.personal-expense>summary>span{display:grid;gap:3px;min-width:0}
.personal-expense>summary>span:first-child strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.personal-expense-balance{text-align:right;white-space:nowrap}
.personal-expense-balance strong{font-size:.8rem}
.personal-expense-body{display:grid;gap:6px;padding:0 10px 10px}
.personal-expense-body>div:not(.personal-payments-title){display:flex;justify-content:space-between;gap:8px;padding-top:5px;border-top:1px solid #edf0f2}
.personal-payments-title{margin-top:5px;font-size:.8rem;font-weight:800}
.personal-payment{align-items:flex-start}
.personal-payment>span{display:grid;gap:2px}
.personal-payment>strong{font-size:.83rem;white-space:nowrap}
.personal-proof{display:inline-flex;align-items:center;gap:5px;color:var(--blue);font-size:.72rem;font-weight:800}
.personal-proof img{width:42px;height:42px;object-fit:cover;border:1px solid var(--line);border-radius:7px}
.personal-payment-field{display:grid;gap:4px}
.personal-payment-field span{color:var(--muted);font-size:.74rem}
.personal-payment-field input{width:100%;min-width:0;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff;font:inherit}
.personal-register-payment{width:100%;white-space:normal}
.personal-payment-edit{flex-basis:100%;font-size:.76rem}
.personal-payment-edit>summary{cursor:pointer;color:var(--blue);font-weight:800}
.personal-payment-edit .payment-edit-form{grid-template-columns:1fr}
@media(max-width:640px){.personal-account{gap:10px}.personal-account-hero{padding:16px;border-radius:14px}.personal-account-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.personal-account-stats article{padding:10px}.personal-creditors{padding:12px}.personal-history{padding:10px}.personal-expense>summary{padding:9px}.personal-expense>summary>span:first-child{max-width:64%}}

.personal-settle-all{display:grid;gap:8px;margin:8px 0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:9px}.personal-settle-all p{margin:0;font-size:.82rem}.personal-settle-all .personal-payment-field{min-width:0}.personal-settle-all input[type=file]{font-size:.75rem}.personal-settle-all .pay-button{width:100%;white-space:normal}

.personal-payment-record{padding:8px 9px;border:1px solid #edf0f2;border-radius:8px;background:#fff}.personal-payment-record>summary{display:flex;justify-content:space-between;gap:8px;cursor:pointer;list-style:none;font-size:.78rem}.personal-payment-record>summary::-webkit-details-marker{display:none}.personal-payment-record>summary>span{display:grid;gap:2px}.personal-payment-record>summary>strong{white-space:nowrap}.personal-payment-record-body{display:grid;gap:8px;padding-top:8px}
.debt-tracker-view { gap: 1rem; }
.debt-hero { gap: .35rem; }
.debt-hero > strong { display: block; font-size: clamp(1.8rem, 8vw, 2.6rem); }
.debt-hero > p:last-child { margin: 0; color: var(--muted, #64748b); }
.debt-entry-form { display: grid; gap: .85rem; }
.debt-entry-form .section-header { margin-bottom: 0; }
.debt-entry-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.debt-entry-grid .field:last-child { grid-column: 1 / -1; }
.debt-people-list { display: grid; gap: .55rem; }
.debt-person-card { border: 1px solid var(--line, #e2e8f0); border-radius: 1rem; padding: .85rem 1rem; }
.debt-person-card > summary { display: flex; align-items: center; justify-content: space-between; gap: .75rem; cursor: pointer; list-style: none; }
.debt-person-card > summary::-webkit-details-marker { display: none; }
.debt-person-card > summary > span { display: grid; gap: .2rem; }
.debt-person-card > summary small, .debt-movement-row small { color: var(--muted, #64748b); }
.debt-person-movements { display: grid; gap: .5rem; margin-top: .75rem; }
.debt-movement-row { display: flex; justify-content: space-between; gap: .75rem; padding: .6rem 0; border-top: 1px solid var(--line, #e2e8f0); }
.debt-movement-row > div { display: grid; gap: .2rem; }
.debt-payment-amount { color: #15803d; }
.mobile-nav { justify-content: flex-start; overflow-x: auto; scrollbar-width: none; }
.mobile-nav::-webkit-scrollbar { display: none; }
.mobile-nav .nav-chip { flex: 0 0 auto; white-space: nowrap; }
@media (max-width: 640px) {
  .app-shell {
    padding-bottom: 62px;
  }
  .mobile-nav {
    position: fixed;
    z-index: 50;
    left: 0;
    right: 0;
    bottom: 0;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin: 0;
    padding: 8px max(10px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
    gap: 4px;
    border-radius: 14px 14px 0 0;
    border-bottom: 1px solid rgba(143,59,40,.14);
    background: #fffdf9;
    box-shadow: 0 -3px 12px rgba(41,35,29,.06);
    overflow-y: hidden;
  }
  .mobile-nav-admin {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }
  .mobile-nav-admin .nav-chip {
    flex: 0 0 auto;
    width: auto;
    min-width: max-content;
    min-height: 44px;
    padding: 9px 12px 9px 16px;
    scroll-snap-align: start;
  }
  .mobile-nav-user {
    justify-content: space-between;
    flex-wrap: nowrap;
    overflow: hidden;
    padding-left: 16px;
    padding-right: 16px;
  }
  .mobile-nav-user .nav-chip {
    flex: 1 1 0;
    width: 0;
    min-width: 0;
    min-height: 44px;
    padding: 9px 8px;
    white-space: nowrap;
    font-size: .7rem;
  }
}
@media (min-width: 700px) { .debt-entry-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .debt-entry-grid .field:last-child { grid-column: auto; } }

/* Make account disclosures obvious and comfortable to use on touch screens. */
.personal-creditors .section-header>div{display:grid;gap:4px}
.personal-creditors .section-header .personal-creditor-help{margin:0;color:var(--muted);font-size:.92rem;line-height:1.45}
.personal-creditor-list>.personal-creditor-balance{align-items:center;min-height:62px;padding:12px 14px;border:1px solid #f0d7ce;border-left:5px solid #c4573e;border-radius:12px;background:#fff8f5;font-size:1rem;font-weight:750}
.personal-creditor-balance>span:last-child{display:grid;justify-items:end;gap:2px}
.personal-creditor-balance>span:last-child small{color:#9b4433;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.personal-creditor-balance>span:last-child strong{color:#983d2f;font-size:1.12rem;white-space:nowrap}
.personal-account summary{position:relative;box-sizing:border-box;min-height:56px;touch-action:manipulation;-webkit-tap-highlight-color:rgba(38,105,131,.14)}
.personal-account summary::after{content:"";flex:0 0 10px;width:10px;height:10px;margin:0 3px 4px 2px;border-right:2px solid #315e70;border-bottom:2px solid #315e70;transform:rotate(-45deg);transition:transform .16s ease}
.personal-account details[open]>summary::after{transform:rotate(45deg);margin-bottom:8px}
.personal-account summary:focus-visible{outline:3px solid #287a99;outline-offset:2px}
.personal-history>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;padding:12px 14px;border:1px solid #bfd5df;border-radius:12px;background:#f2f8fb;color:#173b4d;font-size:1rem;line-height:1.35}
.personal-history>summary>span{display:grid;gap:4px;min-width:0}
.personal-history>summary strong{font-size:1rem}
.personal-history>summary small{color:#526c79;font-size:.88rem;font-weight:550}
.personal-history.personal-credits>summary{border-color:#c9d9bd;background:#f4f8f0}
.personal-disclosure-total{font-size:1.08rem;font-weight:850;white-space:nowrap}
.personal-creditor-expenses{padding:8px;border:1px solid #dce5e9;border-radius:12px;background:#f7fafc}
.personal-creditor-expenses>summary{align-items:center;min-height:62px;padding:10px 12px;border:1px solid #d6e1e6;border-radius:9px;background:#fff;font-size:.95rem}
.personal-creditor-expenses>summary>span{display:grid;gap:4px;min-width:0}
.personal-creditor-expenses>summary>span strong{font-size:.98rem}
.personal-creditor-expenses>summary>span small{color:var(--muted);font-size:.83rem;font-weight:550}
.personal-creditor-expenses>summary>strong{font-size:1.02rem;white-space:nowrap}
.personal-expense>summary{min-height:68px;padding:12px;border-color:#d5e0e5;font-size:.94rem}
.personal-expense>summary>span:first-child strong{font-size:.98rem}
.personal-expense>summary>span:first-child small{font-size:.84rem;line-height:1.3}
.personal-expense-balance strong{font-size:.9rem}
.personal-expense-balance small{font-size:.82rem}
.personal-payment-field span{font-size:.87rem}
.personal-payment-field input{min-height:48px;padding:10px 12px;font-size:16px}
.personal-register-payment,.personal-settle-all .pay-button{min-height:50px;padding:12px 16px;font-size:1rem;font-weight:800}
.personal-payment-record>summary{align-items:center;min-height:58px;padding:10px 12px;border:1px solid #e1e8eb;border-radius:9px;background:#fff;font-size:.88rem}
.personal-payment-record>summary>span:first-child{font-size:.87rem;line-height:1.35}
.personal-payment-record-amount{display:flex;align-items:center}
.personal-payment-record-amount strong{font-size:1rem}
.personal-payment-edit>summary{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:8px 10px;border:1px solid #bfd5df;border-radius:8px;background:#f2f8fb;font-size:.92rem}
.personal-account details>summary:hover{border-color:#9ab9c7;background-color:#edf6f9}
.personal-account details[open]>summary{margin-bottom:4px}
@media(max-width:640px){
  .personal-account{gap:12px}
  .personal-account-hero p{font-size:1rem}
  .personal-account-stats article{min-height:70px;padding:12px}
  .personal-account-stats span{font-size:.86rem}
  .personal-account-stats strong{font-size:1.05rem}
  .personal-creditors{padding:14px}
  .personal-creditors .section-header .personal-creditor-help{font-size:.88rem}
  .personal-history{padding:10px}
  .personal-expense>summary{gap:6px}
  .personal-expense>summary>span:first-child{max-width:56%}
  .personal-expense-balance{white-space:normal}
  .personal-expense-balance strong,.personal-expense-balance small{white-space:nowrap}
  .personal-payment-record>summary{font-size:.84rem}
  .personal-settle-all{padding:12px}
}