:root {
  --ink: #172124;
  --muted: #647276;
  --line: #dce4e2;
  --paper: #ffffff;
  --canvas: #f3f6f5;
  --brand: #176b55;
  --brand-dark: #0d493a;
  --brand-soft: #e3f1eb;
  --warning: #9a5b10;
  --warning-soft: #fff3d7;
  --danger: #a03939;
  --danger-soft: #fbe8e8;
  --shadow: 0 12px 35px rgba(21, 48, 41, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, "Segoe UI", sans-serif; color: var(--ink); background: var(--canvas); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 245px 1fr; transition: grid-template-columns .2s ease; }
.sidebar { min-width: 0; background: #102d27; color: #fff; padding: 28px 18px; display: flex; flex-direction: column; transition: padding .2s ease; }
.sidebar-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.brand { min-width: 0; display: flex; gap: 12px; align-items: center; padding: 0 8px 28px; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: #d1eedf; color: var(--brand-dark); font-weight: 800; }
.brand-copy { min-width: 0; white-space: nowrap; }
.brand strong, .brand small { display: block; }
.brand small { color: #a8c1ba; margin-top: 3px; }
.sidebar-toggle { width: 30px; height: 30px; flex: 0 0 30px; display: grid; place-items: center; margin: 6px 0 0; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; color: #d1eedf; background: rgba(255,255,255,.06); font-size: 22px; line-height: 1; }
.sidebar-toggle:hover { background: rgba(255,255,255,.14); }
nav { display: grid; gap: 6px; }
.nav-item { position: relative; min-width: 0; display: flex; align-items: center; gap: 8px; border: 0; color: #bad0ca; background: transparent; text-align: left; padding: 12px 13px; border-radius: 9px; white-space: nowrap; }
.nav-icon { width: 24px; flex: 0 0 24px; display: inline-block; text-align: center; }
.nav-label { overflow: hidden; text-overflow: ellipsis; }
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,.1); color: #fff; }
.nav-item b { min-width: 20px; margin-left: auto; padding: 2px 6px; background: #e3b354; color: #2d2412; border-radius: 10px; font-size: 11px; text-align: center; }
.sidebar-footer { margin-top: auto; color: #a8c1ba; font-size: 13px; padding: 10px; }
.status-dot { width: 8px; height: 8px; display: inline-block; margin-right: 7px; border-radius: 50%; background: #62d39b; }
.app-shell.sidebar-collapsed { grid-template-columns: 84px 1fr; }
.app-shell.sidebar-collapsed .sidebar { padding-inline: 12px; }
.app-shell.sidebar-collapsed .sidebar-heading { display: grid; justify-content: center; }
.app-shell.sidebar-collapsed .brand { padding-inline: 0; justify-content: center; }
.app-shell.sidebar-collapsed .brand-copy,
.app-shell.sidebar-collapsed .nav-label,
.app-shell.sidebar-collapsed .sidebar-footer-label { display: none; }
.app-shell.sidebar-collapsed .sidebar-toggle { margin: -15px auto 18px; }
.app-shell.sidebar-collapsed .nav-item { justify-content: center; padding-inline: 8px; }
.app-shell.sidebar-collapsed .nav-icon { width: 28px; flex-basis: 28px; font-size: 19px; }
.app-shell.sidebar-collapsed .nav-item b { position: absolute; top: 3px; right: 2px; min-width: 17px; padding: 1px 4px; }
.app-shell.sidebar-collapsed .sidebar-footer { text-align: center; padding-inline: 0; }
.app-shell.sidebar-collapsed .status-dot { margin-right: 0; }
main { min-width: 0; }
.topbar { height: 102px; display: flex; align-items: center; justify-content: space-between; padding: 0 38px; background: rgba(255,255,255,.85); border-bottom: 1px solid var(--line); }
.topbar-actions { display: flex; align-items: flex-end; gap: 12px; }
.company-picker { min-width: 230px; }
.company-picker label { margin-bottom: 4px; font-size: 10px; text-transform: uppercase; letter-spacing: .06em; }
.company-picker select { padding: 8px 34px 8px 10px; font-weight: 750; }
.eyebrow { margin: 0 0 3px; color: var(--brand); font-size: 11px; letter-spacing: .16em; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 25px; margin-bottom: 0; }
h2 { font-size: 19px; }
.content { padding: 30px 38px 60px; max-width: 1500px; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: 18px; margin-bottom: 24px; }
.card, .panel { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.card { padding: 20px; }
.card-label { color: var(--muted); font-size: 13px; }
.card strong { display: block; font-size: 28px; margin-top: 12px; }
.card small { color: var(--muted); }
.panel { padding: 22px; margin-bottom: 20px; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.panel-header h2, .panel-header p { margin-bottom: 0; }
.muted { color: var(--muted); }
.button { border: 0; border-radius: 9px; padding: 10px 15px; font-weight: 700; background: var(--brand); color: white; }
.button:hover { background: var(--brand-dark); }
.button.secondary { background: var(--paper); color: var(--brand-dark); border: 1px solid var(--line); }
.button.danger { background: var(--danger); }
.button.small { padding: 7px 11px; font-size: 12px; }
.button:disabled { opacity: .55; cursor: not-allowed; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.table-actions { display: flex; justify-content: flex-end; gap: 7px; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); }
td { padding: 13px 12px; border-bottom: 1px solid #edf1f0; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #f8faf9; }
.money { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pill { display: inline-flex; padding: 5px 9px; border-radius: 20px; font-size: 11px; font-weight: 800; white-space: nowrap; background: var(--brand-soft); color: var(--brand-dark); }
.pill.warn { background: var(--warning-soft); color: var(--warning); }
.pill.danger { background: var(--danger-soft); color: var(--danger); }
.pill.neutral { background: #e9edec; color: #4c5856; }
.source { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.form-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 17px; }
.field { grid-column: span 4; }
.field.wide { grid-column: span 8; }
.field.full { grid-column: 1 / -1; }
.field.small { grid-column: span 2; }
label { display: block; font-size: 12px; font-weight: 750; margin: 0 0 7px; color: #364743; }
input, select, textarea { width: 100%; border: 1px solid #cdd8d5; border-radius: 8px; padding: 10px 11px; color: var(--ink); background: white; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(23,107,85,.13); border-color: var(--brand); }
textarea { min-height: 88px; resize: vertical; }
.required::after { content: " *"; color: var(--danger); }
.installment-row { display: grid; grid-template-columns: 60px 1fr 1fr 42px; gap: 10px; align-items: end; margin: 10px 0; }
.installment-number { padding-bottom: 11px; color: var(--muted); font-weight: 800; }
.inner-panel { box-shadow: none; margin-top: 20px; }
.prior-payment-row { padding: 17px; margin: 12px 0; border: 1px solid var(--line); border-radius: 11px; background: #f8faf9; }
.prior-payment-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.prior-payment-heading .icon-button { width: 41px; }
.prior-adjustment { min-height: 41px; display: flex; align-items: center; padding: 10px 11px; border: 1px solid var(--line); border-radius: 8px; background: white; font-weight: 750; color: var(--brand-dark); }
.prior-adjustment.warn { background: var(--warning-soft); border-color: #edcf91; color: var(--warning); }
.reconciliation { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; margin-top: 20px; border: 1px solid var(--line); border-radius: 11px; background: var(--line); }
.reconciliation > div { padding: 14px 16px; background: white; }
.reconciliation span, .reconciliation strong { display: block; }
.reconciliation span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.reconciliation strong { margin-top: 5px; font-size: 17px; }
.reconciliation .full { grid-column: 1 / -1; margin: 0; padding: 12px 16px; background: var(--warning-soft); color: var(--warning); font-weight: 700; }
.reconciliation.ok .full { background: var(--brand-soft); color: var(--brand-dark); }
.reconciliation.problem #reconciliation-difference { color: var(--warning); }
.icon-button { border: 1px solid var(--line); background: white; color: var(--danger); height: 41px; border-radius: 8px; }
.form-footer { display: flex; justify-content: flex-end; gap: 10px; padding-top: 20px; margin-top: 20px; border-top: 1px solid var(--line); }
.alert { border-radius: 9px; padding: 12px 14px; margin-bottom: 18px; background: var(--warning-soft); color: #71450d; }
.empty { text-align: center; padding: 45px 20px; color: var(--muted); }
.tabs { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.tab { border: 1px solid var(--line); background: white; padding: 8px 12px; border-radius: 8px; color: var(--muted); }
.tab.active { background: var(--brand-soft); border-color: #b7d8ca; color: var(--brand-dark); font-weight: 800; }
.payable-view-tabs { margin-bottom: 20px; }
.payable-detail-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; margin-bottom: 20px; border: 1px solid var(--line); border-radius: 10px; background: var(--line); }
.payable-detail-summary > div { min-height: 72px; padding: 13px 15px; background: white; }
.payable-detail-summary span, .payable-detail-summary strong { display: block; }
.payable-detail-summary > div > span:first-child { margin-bottom: 6px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.schedule-list { display: grid; gap: 9px; }
.schedule-row { display: grid; grid-template-columns: minmax(170px, 1.2fr) minmax(150px, 1fr) minmax(130px, .8fr); gap: 12px; align-items: end; padding: 12px 13px; border: 1px solid var(--line); border-radius: 9px; background: white; }
.schedule-row > div { align-self: center; }
.schedule-row > div span, .schedule-row > div small { display: block; }
.schedule-row > div span { font-weight: 800; }
.schedule-row > div small { margin-top: 3px; color: var(--muted); }
.schedule-row label { margin: 0; }
.schedule-row.locked { background: #f3f6f5; }
.schedule-row input:disabled { color: #62706d; background: #edf1f0; opacity: 1; }
.schedule-reason { margin-top: 16px; }
.schedule-reason textarea { min-height: 72px; }
.payable-detail-actions { align-items: center; justify-content: space-between; }
.payable-detail-actions > div { display: flex; gap: 9px; }
.modal-heading-actions { display: flex; align-items: center; justify-content: flex-end; gap: 9px; }
.cancellation-help { margin: 9px 0 0; text-align: left; }
.change-history { display: grid; gap: 9px; }
.change-history > div { display: grid; grid-template-columns: 1fr auto; gap: 4px 15px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; background: white; }
.change-history span { font-weight: 800; }
.change-history strong { color: var(--muted); font-size: 12px; }
.change-history p { grid-column: 1 / -1; margin: 2px 0 0; color: #40514d; }
.compact-empty { padding: 22px 15px; }
.registration-form { display: grid; grid-template-columns: 2fr 1fr auto; gap: 10px; align-items: end; margin-bottom: 18px; }
.registration-form.no-tax { grid-template-columns: 1fr auto; }
.registration-row-actions { display: flex; justify-content: flex-end; gap: 7px; white-space: nowrap; }
.registration-meta { display: grid; gap: 3px; }
.registration-meta small { color: var(--muted); }
.registration-code { display: inline-flex; align-items: center; width: max-content; max-width: 100%; padding: 3px 7px; border-radius: 6px; color: #40514d; background: #edf2f0; overflow-wrap: anywhere; word-break: break-all; white-space: normal; font: 700 11px ui-monospace, SFMono-Regular, Consolas, monospace; }
.form-help { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.4; }
.pdf-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.pdf-panel h2 { margin-bottom: 9px; }
.pdf-panel-copy { min-width: 220px; }
.pdf-file-status strong, .pdf-file-status span { display: block; }
.pdf-file-status strong { overflow-wrap: anywhere; }
.pdf-file-status span { margin-top: 4px; color: var(--muted); font-size: 12px; }
.pdf-panel-actions, .pdf-upload-form { display: flex; align-items: flex-end; justify-content: flex-end; gap: 10px; }
.pdf-panel-actions { flex: 1 1 auto; }
.pdf-upload-form { flex: 1 1 470px; max-width: 620px; }
.pdf-file-field { flex: 1 1 auto; }
.pdf-file-field input { min-width: 260px; }
.modal.wide { width: min(960px, 100%); }
.modal-section { margin: 4px 0 22px; padding: 19px; border: 1px solid var(--line); border-radius: 11px; background: #fafcfb; }
.modal-section:last-of-type { margin-bottom: 0; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 16px; }
.section-heading h3, .section-heading p { margin-bottom: 0; }
.certificate-heading-actions { display: flex; align-items: center; justify-content: flex-end; gap: 9px; flex-wrap: wrap; }
.certificate-status { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 17px; }
.certificate-status > div { min-width: 0; padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; background: white; }
.certificate-status span, .certificate-status strong { display: block; }
.certificate-status span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .05em; }
.certificate-status strong { margin-top: 4px; overflow-wrap: anywhere; font-size: 13px; }
.certificate-status .certificate-wide { grid-column: span 2; }
.certificate-actions { display: flex; align-items: flex-end; gap: 12px; }
.certificate-actions .certificate-file { flex: 1 1 320px; }
.certificate-actions .certificate-password { flex: 1 1 240px; }
.certificate-actions .button { flex: 0 0 auto; }
.security-note { display: flex; gap: 9px; align-items: flex-start; padding: 10px 12px; border-radius: 8px; background: var(--brand-soft); color: var(--brand-dark); font-size: 12px; line-height: 1.45; }
.security-note strong { white-space: nowrap; }
.certificate-remove { margin-top: 12px; }
.sefaz-test-result { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 17px; }
.sefaz-test-result > div { min-width: 0; padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; background: #fafcfb; }
.sefaz-test-result span, .sefaz-test-result strong { display: block; }
.sefaz-test-result span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .05em; }
.sefaz-test-result strong { margin-top: 4px; overflow-wrap: anywhere; font-size: 13px; }
.sefaz-test-result .sefaz-result-wide { grid-column: 1 / -1; }
.filter-grid { display: grid; grid-template-columns: repeat(6, minmax(130px, 1fr)); gap: 13px; align-items: end; padding: 16px; margin-bottom: 20px; background: #f6f9f8; border: 1px solid var(--line); border-radius: 11px; }
.filter-grid.three { grid-template-columns: repeat(3, minmax(180px, 1fr)) auto; }
.filter-actions { display: flex; justify-content: flex-end; gap: 8px; grid-column: auto / span 2; }
.monthly-summary { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 18px; overflow: hidden; }
.monthly-summary div { padding: 13px 16px; border-right: 1px solid var(--line); }
.monthly-summary div:last-child { border-right: 0; }
.monthly-summary span, .monthly-summary strong { display: block; }
.monthly-summary span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.monthly-summary strong { margin-top: 5px; font-size: 18px; }
.test-banner { background: #e8f1ff; border: 1px solid #c5d9f7; color: #254c77; border-radius: 10px; padding: 11px 15px; margin-bottom: 18px; }
.modal-backdrop { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: 24px; background: rgba(10,31,26,.58); }
.modal { width: min(780px, 100%); max-height: calc(100vh - 48px); overflow-y: auto; background: white; border-radius: 15px; padding: 24px; box-shadow: 0 25px 80px rgba(0,0,0,.3); }
.modal.compact { width: min(520px, 100%); }
.modal-close { width: 40px; flex: 0 0 40px; }
.settlement-overview { display: flex; gap: 30px; padding: 13px 15px; margin-bottom: 18px; border-radius: 9px; background: var(--brand-soft); }
.settlement-overview span, .settlement-overview strong { display: block; }
.settlement-overview span { color: var(--muted); font-size: 12px; }
.settlement-overview strong { color: var(--ink); margin-top: 4px; font-size: 16px; }
.detail-meta { display: flex; gap: 10px; align-items: center; margin-bottom: 20px; }
.toast { visibility: hidden; position: fixed; right: 24px; bottom: 24px; max-width: 420px; background: #173d34; color: white; padding: 13px 17px; border-radius: 9px; box-shadow: var(--shadow); z-index: 10; }
.toast.show { visibility: visible; animation: toast-in .2s ease-out; }
.toast.error { background: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } }
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 80px 1fr; }
  .app-shell.sidebar-collapsed { grid-template-columns: 80px 1fr; }
  .sidebar { padding: 20px 10px; }
  .sidebar-heading { display: block; }
  .brand-copy, .nav-label, .sidebar-toggle, .nav-item:not(.active) b { display: none; }
  .brand { padding-left: 8px; }
  .nav-item { justify-content: center; padding-inline: 8px; }
  .nav-icon { font-size: 20px; width: 100%; flex-basis: 100%; text-align: center; }
  .nav-item b { position: absolute; top: 3px; right: 2px; min-width: 17px; margin: 0; padding: 1px 4px; }
  .sidebar-footer { display: none; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .field, .field.wide { grid-column: span 6; }
  .filter-grid, .filter-grid.three { grid-template-columns: repeat(2, 1fr); }
  .monthly-summary { grid-template-columns: repeat(2, 1fr); }
  .reconciliation { grid-template-columns: repeat(2, 1fr); }
  .payable-detail-summary { grid-template-columns: repeat(2, 1fr); }
  .schedule-row { grid-template-columns: 1fr 1fr; }
  .schedule-row > div { grid-column: 1 / -1; }
  .certificate-status { grid-template-columns: repeat(2, 1fr); }
  .certificate-actions { flex-wrap: wrap; }
  .pdf-panel { align-items: stretch; flex-direction: column; }
  .pdf-panel-actions { justify-content: flex-start; }
}
@media (max-width: 650px) {
  .app-shell { display: block; }
  .sidebar { position: static; flex-direction: row; align-items: center; overflow-x: auto; }
  .sidebar-heading { flex: 0 0 auto; }
  .brand { padding: 0 10px 0 0; }
  nav { display: flex; }
  .topbar { height: auto; padding: 20px; align-items: flex-start; gap: 15px; }
  .topbar-actions { width: 100%; align-items: stretch; flex-direction: column; }
  .company-picker { min-width: 0; }
  .content { padding: 20px; }
  .cards { grid-template-columns: 1fr; }
  .field, .field.wide, .field.small { grid-column: 1 / -1; }
  .registration-form, .registration-form.no-tax { grid-template-columns: 1fr; }
  .filter-grid, .filter-grid.three { grid-template-columns: 1fr; }
  .filter-actions { grid-column: 1; }
  .monthly-summary { grid-template-columns: 1fr; }
  .reconciliation { grid-template-columns: 1fr; }
  .payable-detail-summary { grid-template-columns: 1fr; }
  .schedule-row { grid-template-columns: 1fr; }
  .schedule-row > div { grid-column: auto; }
  .payable-detail-actions { align-items: stretch; flex-direction: column-reverse; }
  .payable-detail-actions > div { flex-direction: column-reverse; }
  .certificate-status { grid-template-columns: 1fr; }
  .certificate-status .certificate-wide { grid-column: auto; }
  .certificate-heading-actions { align-items: flex-end; flex-direction: column; }
  .certificate-actions { align-items: stretch; flex-direction: column; }
  .certificate-actions .certificate-file, .certificate-actions .certificate-password { flex-basis: auto; }
  .sefaz-test-result { grid-template-columns: 1fr; }
  .sefaz-test-result .sefaz-result-wide { grid-column: auto; }
  .registration-row-actions { justify-content: flex-start; }
  .table-actions { justify-content: flex-start; }
  .pdf-panel-actions, .pdf-upload-form { align-items: stretch; flex-direction: column; max-width: none; }
  .pdf-file-field input { min-width: 0; }
  .modal-heading-actions { align-items: flex-end; flex-direction: column-reverse; }
}