:root {
  --ink: #172522;
  --muted: #687772;
  --paper: #f7f5ef;
  --surface: #fffdfa;
  --line: #dfe4df;
  --green: #173c37;
  --green-2: #2f675d;
  --mint: #dcece6;
  --amber: #c67a26;
  --amber-soft: #fff1d8;
  --red: #a33d36;
  --red-soft: #fce9e7;
  --blue-soft: #e6eef5;
  --shadow: 0 16px 40px rgba(23, 60, 55, .08);
  --radius: 18px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(214, 231, 224, .8), transparent 30rem),
    var(--paper);
  font-family: Aptos, "Segoe UI", Arial, sans-serif;
  line-height: 1.45;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  background:
    radial-gradient(circle at 15% 10%, rgba(220, 236, 230, .7), transparent 28rem),
    linear-gradient(145deg, #f7f5ef, #eef4f1);
}
.login-card { width: min(440px, 100%); padding: clamp(1.5rem, 5vw, 2.5rem); background: var(--surface); border: 1px solid rgba(23, 60, 55, .14); border-radius: 24px; box-shadow: 0 24px 70px rgba(23, 60, 55, .14); }
.login-card h1 { margin: .25rem 0 .5rem; color: var(--green); font: 500 clamp(2rem, 8vw, 3.2rem)/1.05 Georgia, serif; }
.login-card > p:not(.eyebrow) { margin: 0 0 1.4rem; color: var(--muted); }
.login-form { display: grid; gap: 1rem; }
.login-error { margin: 0; padding: .7rem .8rem; color: var(--red); background: var(--red-soft); border-radius: 9px; font-size: .82rem; font-weight: 700; }

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.4rem max(2rem, calc((100vw - 1320px) / 2));
  color: white;
  background: var(--green);
}

.app-header h1 { margin: .15rem 0 .3rem; font-family: Georgia, serif; font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 500; }
.header-copy { margin: 0; color: #dce9e5; }
.eyebrow { margin: 0; color: var(--green-2); font-size: .75rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.app-header .eyebrow { color: #91bdb2; }
.header-actions { display: flex; align-items: flex-end; gap: .65rem; flex-wrap: wrap; }
.session-chip { display: inline-flex; align-items: center; min-height: 42px; padding: .55rem .8rem; color: white; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22); border-radius: 10px; font-size: .8rem; font-weight: 750; }

.portal-header { display: flex; justify-content: space-between; gap: 2rem; padding: 1.7rem max(1rem, calc((100vw - 1080px) / 2)); color: white; background: var(--green); }
.portal-header h1 { margin: .15rem 0 .25rem; font: 500 clamp(1.9rem, 5vw, 2.8rem)/1.1 Georgia, serif; }
.portal-header p:last-child { margin: 0; color: #dce9e5; }
.portal-header .eyebrow { color: #91bdb2; }
.portal-header-actions { display: flex; align-items: flex-end; gap: .65rem; flex-wrap: wrap; }
.portal-header .button.secondary { color: white; background: transparent; border-color: #66847e; }
.tenant-portal-main { width: min(1080px, calc(100% - 2rem)); }
.tenant-portal-stack { display: grid; gap: 1rem; }
.tenant-month-section { display: grid; gap: .9rem; }
.tenant-month-section .section-heading { margin: .7rem 0 0; }
.tenant-month-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; }
.tenant-month-card { min-width: 0; overflow: hidden; padding: 1.25rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.tenant-month-card.current { border: 2px solid var(--green-2); }
.tenant-month-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.tenant-month-heading span { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.tenant-month-heading h3 { margin: .1rem 0 0; font: 500 1.55rem/1.2 Georgia, serif; }
.current-badge { display: inline-block; margin-top: .45rem; padding: .3rem .55rem; color: white; background: var(--green); border-radius: 999px; font-size: .7rem; }
.tenant-heading-balance { min-width: 180px; text-align: right; color: var(--green); }
.tenant-heading-balance span, .tenant-heading-balance strong { display: block; }
.tenant-heading-balance strong { margin-top: .15rem; font: 600 1.8rem/1 Georgia, serif; }
.tenant-heading-balance.credit { color: var(--green-2); }
.tenant-charge-period { min-height: 2.7em; margin: .65rem 0 .8rem; color: var(--muted); font-size: .8rem; }
.tenant-simple-lines { border-top: 1px solid var(--line); }
.tenant-simple-lines > div { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 0; border-bottom: 1px solid #edf0ee; }
.tenant-simple-lines span { color: var(--muted); }
.tenant-simple-lines .credit { color: var(--green-2); }
.empty-copy { color: var(--muted); text-align: center; }
.tenant-total { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-top: 1rem; color: var(--green); }
.tenant-total span { font-weight: 800; }
.tenant-total strong { font: 600 1.65rem/1 Georgia, serif; }
.tenant-total.credit { color: var(--green-2); }
.tenant-portal-stack > .panel { margin-bottom: 0; }
.tenant-portal-stack h3 { margin: .15rem 0 .25rem; font: 500 1.45rem/1.2 Georgia, serif; }
.tenant-portal-stack form > div:first-child > p:last-child { margin-bottom: 0; }
.tenant-reading-complete { display: grid; gap: .65rem; padding: 1rem; color: var(--green); background: var(--mint); border: 1px solid #bdd8cf; border-radius: 12px; }
.tenant-reading-complete > strong { font: 600 1.25rem/1.2 Georgia, serif; }
.tenant-reading-complete p { margin: .2rem 0 0; color: #385b54; font-weight: 700; }
.tenant-reading-result { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 0; border-bottom: 1px solid #c6ddd5; }
.tenant-reading-result span { color: var(--muted); }
.tenant-payment-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.25rem; align-items: start; }
.tenant-payment-history { padding-left: 1.25rem; border-left: 1px solid var(--line); }
.tenant-payment-history > p { font-size: .8rem; }
.tenant-payment-record { align-items: center; }
.payment-verification { display: inline-flex; width: fit-content; margin-top: .45rem; padding: .28rem .5rem; border-radius: 999px; font-size: .7rem; font-weight: 800; }
.payment-verification.pending { color: #6d451a; background: var(--amber-soft); }
.payment-verification.verified { color: var(--green); background: var(--mint); }
.tenant-payment-record > .payment-verification { margin-top: 0; white-space: nowrap; }
.mini-button.verify { color: white; background: var(--green); border-color: var(--green); }

.tabs {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: .3rem;
  padding: .75rem max(2rem, calc((100vw - 1320px) / 2));
  overflow-x: auto;
  background: rgba(255, 253, 250, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.tab { flex: 0 0 auto; padding: .7rem 1rem; color: var(--muted); background: transparent; border: 0; border-radius: 999px; font-weight: 700; }
.tab:hover { color: var(--green); background: var(--mint); }
.tab.active { color: white; background: var(--green); }

main { width: min(1320px, calc(100% - 2rem)); margin: 0 auto; padding: 2.2rem 0 5rem; }
.view { display: none; }
.view.active { display: block; animation: appear .18s ease-out; }
@keyframes appear { from { opacity: 0; transform: translateY(4px); } }

.section-heading { margin: 0 0 1.5rem; }
.section-heading h2 { margin: .2rem 0 .35rem; font-family: Georgia, serif; font-size: 2rem; font-weight: 500; }
.section-heading p:last-child, .panel p { color: var(--muted); }
.split-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; }
.month-controls { display: grid; grid-template-columns: auto auto auto; gap: .55rem; align-items: end; }
.month-controls label { grid-column: 1 / -1; }
.billing-window { margin: -.7rem 0 1.2rem; color: var(--green-2); font-weight: 750; }
.share-info-banner {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .8rem 1rem;
  margin: -.35rem 0 1rem;
  color: #60420e;
  background: var(--amber-soft);
  border: 1px solid #e8c985;
  border-radius: 12px;
}
.share-info-banner strong, .share-info-banner span { display: block; }
.share-info-banner span { margin-top: .12rem; font-size: .8rem; }

.panel {
  padding: 1.35rem;
  margin-bottom: 1rem;
  background: var(--surface);
  border: 1px solid rgba(23, 60, 55, .12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel h3 { margin: 0 0 .35rem; font-size: 1.05rem; }
.panel p { margin: .1rem 0 .9rem; }
.panel-title-row { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; margin-bottom: .9rem; }
.two-column { display: grid; grid-template-columns: minmax(320px, .85fr) minmax(420px, 1.35fr); gap: 1rem; align-items: start; }
.service-block { overflow: hidden; }
.tenant-account { padding-top: 1.2rem; scroll-margin-top: 5.5rem; }
.tenant-account-header { display: flex; justify-content: space-between; gap: 1rem; align-items: center; border-color: rgba(23, 60, 55, .3); }
.tenant-account-header h3 { margin: .15rem 0 .2rem; font-family: Georgia, serif; font-size: 1.65rem; }
.tenant-account-header p:last-child { margin: 0; }
.portal-credentials { display: grid; gap: .75rem; padding: .9rem; background: #f2f7f5; border: 1px solid #cbdad5; border-radius: 11px; }
.portal-credentials > div strong, .portal-credentials > div span { display: block; }
.portal-credentials > div span { color: var(--muted); font-size: .76rem; }
.context-lock { display: grid; gap: .1rem; padding: .75rem .85rem; color: var(--green); background: var(--mint); border: 1px solid #c6ddd5; border-radius: 10px; }
.context-lock span { color: var(--muted); font-size: .72rem; font-weight: 750; text-transform: uppercase; letter-spacing: .05em; }
.account-history { padding-top: 1.1rem; margin-top: 1.1rem; border-top: 1px solid var(--line); }
.account-history > p { font-size: .8rem; }

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 42px;
  padding: .65rem .95rem;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 750;
  transition: transform .12s ease, background .12s ease;
}
.button:hover { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: .5; transform: none; }
.button.primary { color: white; background: var(--green); }
.button.secondary { color: var(--green); background: var(--surface); border-color: #b9c8c3; }
.app-header .button.secondary { color: white; background: transparent; border-color: #66847e; }
.button.full { width: 100%; margin-top: .4rem; }
.text-button { padding: 0; color: var(--green-2); background: none; border: 0; text-decoration: underline; }
.file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

label { display: grid; gap: .35rem; color: #384945; font-size: .82rem; font-weight: 750; }
input, select, textarea {
  width: 100%;
  padding: .68rem .72rem;
  color: var(--ink);
  background: white;
  border: 1px solid #bdc9c5;
  border-radius: 9px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--green-2); box-shadow: 0 0 0 3px rgba(47, 103, 93, .14); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.form-panel, .stack-form { display: grid; gap: .85rem; }
.automatic-period { display: grid; gap: .25rem; padding: .85rem 1rem; color: var(--muted); background: #f2f7f5; border: 1px solid #cbdad5; border-radius: 11px; }
.automatic-period strong { color: var(--ink); }
.automatic-period span { font-size: .9rem; }
.current-file { padding: .7rem .8rem; color: var(--green); background: var(--mint); border-radius: 9px; font-size: .82rem; font-weight: 700; }
.attachment-note { color: var(--green-2); }
.mini-button.attachment { color: white; background: var(--green-2); border-color: var(--green-2); }
.inline-form { display: grid; grid-template-columns: 1fr repeat(3, 1fr) 1.4fr auto auto; gap: .65rem; align-items: end; margin-bottom: 1rem; }
.form-actions { display: flex; gap: .55rem; }
.field-help { color: var(--muted); font-size: .72rem; font-weight: 500; }
.check-label { display: flex; align-items: flex-start; gap: .55rem; font-weight: 600; }
.check-label input { width: auto; margin-top: .2rem; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: .8rem; margin-bottom: 1rem; }
.kpi { padding: 1rem 1.05rem; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.kpi span { display: block; color: var(--muted); font-size: .76rem; font-weight: 700; }
.kpi strong { display: block; margin-top: .15rem; font-family: Georgia, serif; font-size: 1.35rem; font-weight: 600; }
.kpi.total { color: white; background: var(--green); border-color: var(--green); }
.kpi.total span { color: #cfe0da; }
.kpi.payment strong { color: var(--green-2); }
.kpi.reimbursement strong { color: var(--green-2); }

.alerts:empty { display: none; }
.alert { padding: .8rem 1rem; margin-bottom: .7rem; color: #6d451a; background: var(--amber-soft); border: 1px solid #ecd09d; border-radius: 10px; }

.statement-list { display: grid; gap: .7rem; }
.statement { overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: white; }
.statement summary { display: grid; grid-template-columns: minmax(180px, 1fr) repeat(4, minmax(100px, .48fr)); gap: .6rem; align-items: center; padding: .9rem 1rem; list-style: none; cursor: pointer; }
.statement summary::-webkit-details-marker { display: none; }
.statement summary:hover { background: #f7faf8; }
.statement-name strong, .statement-name span { display: block; }
.statement-name span, .summary-metric span { color: var(--muted); font-size: .74rem; }
.summary-metric { text-align: right; }
.summary-metric strong { display: block; }
.summary-metric.total { color: var(--green); font-size: 1.08rem; }
.statement-body { padding: 0 1rem 1rem; border-top: 1px solid var(--line); }
.line-item { display: grid; grid-template-columns: 1fr auto; gap: .75rem; padding: .72rem 0; border-bottom: 1px solid #edf0ee; }
.line-item:last-child { border-bottom: 0; }
.line-item p { margin: .1rem 0 0; color: var(--muted); font-size: .78rem; }
.line-item .negative { color: var(--red); }
.line-item .credit { color: var(--green-2); }
.payment-line { background: #f3faf7; }
.balance-line { background: #faf8f1; }
.closing-line { padding: .9rem .2rem; color: var(--green); border-top: 2px solid var(--green); border-bottom: 0; }
.statement-share-row { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding-top: .9rem; }
.statement-share-row p { margin: 0; font-size: .76rem; }
.statement-share-actions { display: flex; gap: .55rem; flex-wrap: wrap; justify-content: flex-end; }
.button.whatsapp { color: white; background: #187a4f; }
.button:disabled { cursor: not-allowed; opacity: .55; transform: none; }
.empty-state { padding: 1.3rem; color: var(--muted); text-align: center; border: 1px dashed #bdc9c5; border-radius: 12px; }

.record-list { display: grid; gap: .65rem; }
.record { display: grid; grid-template-columns: 1fr auto; gap: .8rem; padding: .85rem; background: white; border: 1px solid var(--line); border-radius: 11px; }
.record-main strong { display: block; }
.record-meta { margin-top: .15rem; color: var(--muted); font-size: .78rem; }
.record-note { margin-top: .4rem; color: #42524f; font-size: .8rem; }
.record-actions { display: flex; gap: .35rem; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.mini-button { padding: .38rem .55rem; color: var(--green-2); background: #f4f8f6; border: 1px solid #ccdad5; border-radius: 7px; font-size: .74rem; font-weight: 700; }
.mini-button.manage { color: white; background: var(--green-2); border-color: var(--green-2); }
.mini-button.delete { color: var(--red); background: white; border-color: #e3c5c2; }
.protected-payment { display: grid; gap: .08rem; padding: .55rem .65rem; margin-top: .65rem; color: var(--green); background: var(--mint); border-radius: 8px; font-size: .75rem; }
.protected-payment span { color: var(--muted); }
.protected-label { padding: .38rem .55rem; color: var(--green); background: var(--mint); border-radius: 7px; font-size: .74rem; font-weight: 750; }
.report-only-label { padding: .38rem .55rem; color: var(--muted); background: #f1f3f2; border-radius: 7px; font-size: .72rem; font-weight: 750; }
.reading-status { display: inline-block; padding: .28rem .45rem; border-radius: 999px; font-size: .68rem; font-weight: 750; white-space: nowrap; }
.reading-status.complete { color: var(--green); background: var(--mint); }
.reading-status.pending { color: #6d451a; background: var(--amber-soft); }
.record-list.compact { max-height: 520px; overflow: auto; padding-right: .2rem; margin-top: 1rem; }
.resident-history { margin-top: .45rem; color: #51635e; font-size: .76rem; }

.table-wrap { overflow-x: auto; max-height: 460px; }
table { width: 100%; border-collapse: collapse; font-size: .82rem; }
th { position: sticky; top: 0; padding: .62rem; color: white; background: var(--green); text-align: left; }
td { padding: .62rem; border-bottom: 1px solid var(--line); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.data-summary { display: grid; grid-template-columns: 1fr auto; gap: .5rem 1rem; }
.data-summary dt { color: var(--muted); }
.data-summary dd { margin: 0; font-weight: 750; }
.explanation ol { margin: .7rem 0 0; padding-left: 1.3rem; }
.explanation li { margin-bottom: .6rem; }

.toast { position: fixed; right: 1rem; bottom: 1rem; z-index: 50; max-width: 360px; padding: .8rem 1rem; color: white; background: var(--green); border-radius: 10px; box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .2s; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--red); }

@media (max-width: 1000px) {
  .two-column { grid-template-columns: 1fr; }
  .inline-form { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .statement summary { grid-template-columns: minmax(170px, 1fr) repeat(3, minmax(80px, .45fr)); }
  .statement summary .optional-metric { display: none; }
}

@media (max-width: 680px) {
  .app-header, .portal-header, .split-heading { display: block; }
  .header-actions { margin-top: 1.2rem; }
  .portal-header-actions { margin-top: 1.2rem; }
  .month-controls { margin-top: 1rem; grid-template-columns: 1fr 1fr; }
  .month-controls label { grid-column: 1 / -1; }
  main { width: min(100% - 1rem, 1320px); }
  .panel { padding: 1rem; border-radius: 14px; }
  .field-grid, .inline-form { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .kpi.total { grid-column: 1 / -1; }
  .statement summary { grid-template-columns: 1fr auto; }
  .statement summary .summary-metric:not(.total) { display: none; }
  .statement-share-row { display: grid; }
  .statement-share-actions { display: grid; }
  .statement-share-row .button { width: 100%; }
  .tenant-account-header { display: grid; }
  .tenant-payment-card { grid-template-columns: minmax(0, 1fr); }
  .tenant-payment-history { padding: 1rem 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .tenant-month-card.current { order: -1; }
  .tenant-month-heading { align-items: flex-start; }
  .tenant-heading-balance { min-width: 135px; }
  .tenant-heading-balance strong { font-size: 1.45rem; }
  .tenant-total { display: grid; gap: .3rem; }
  .tenant-total strong { font-size: 1.5rem; }
}

@media print {
  body { background: white; }
  .app-header, .tabs, .login-shell, #tenant-app, .month-controls .button, .share-info-banner, .statement-share-row, .alerts, #unassigned-panel, .view:not(#view-resumen) { display: none !important; }
  main { width: 100%; padding: 0; }
  #view-resumen { display: block !important; }
  .section-heading { margin-bottom: 1rem; }
  .panel, .kpi { box-shadow: none; break-inside: avoid; }
  .statement { break-inside: avoid; }
  .statement > .statement-body { display: block; }
}