:root {
  --ink: #17212b;
  --muted: #687684;
  --line: #d8e0e7;
  --surface: #ffffff;
  --page: #f4f7fa;
  --blue: #1d5f8c;
  --blue-dark: #17324d;
  --green: #267a4a;
  --green-bg: #e8f5ed;
  --amber: #a05c00;
  --amber-bg: #fff4df;
  --red: #b3261e;
  --red-bg: #fde8e7;
  --input: #fff8dc;
  font-family: Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--ink);
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(380px, 100%);
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.auth-card .brand-mark {
  margin-bottom: 4px;
}

.auth-card h1,
.auth-card p {
  margin: 0;
}

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

button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 9px 12px;
  cursor: pointer;
}

button:hover {
  border-color: #9fb5c8;
}

button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

button.danger {
  border-color: #efb1ad;
  color: var(--red);
}

button.full {
  width: 100%;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 90px;
  resize: vertical;
}

label span,
.field-label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
}

.app {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: #10263b;
  color: #fff;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: #f3c05a;
  color: #10263b;
  font-weight: 700;
}

.brand h1 {
  margin: 0;
  font-size: 20px;
}

.brand p {
  margin: 3px 0 0;
  color: #b8c7d5;
  font-size: 13px;
}

.company-list {
  display: grid;
  gap: 8px;
}

.company-item {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  text-align: left;
  padding: 11px;
}

.company-item.active {
  border-color: #f3c05a;
  background: rgba(243, 192, 90, 0.16);
}

.company-item strong {
  display: block;
  margin-bottom: 4px;
}

.company-item span {
  display: block;
  color: #c6d4df;
  font-size: 12px;
}

.workspace {
  padding: 22px;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

h2,
h3 {
  margin: 3px 0 0;
}

.top-actions {
  display: grid;
  grid-template-columns: 150px 150px auto auto auto;
  gap: 10px;
  align-items: end;
}

.status-line {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 16px 0;
  color: var(--muted);
  flex-wrap: wrap;
}

.quarter-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
}

.quarter-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 12px;
  align-items: end;
  margin-bottom: 10px;
}

.quarter-head strong,
.quarter-head span {
  display: block;
}

.quarter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 10px;
}

.quarter-button {
  display: grid;
  gap: 6px;
  text-align: left;
  align-content: start;
  min-height: 142px;
  background: #fbfcfd;
}

.quarter-button.active {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 1px var(--blue);
}

.quarter-title {
  font-weight: 700;
  color: var(--ink);
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 11px;
  font-weight: 700;
  color: var(--muted);
  background: #e8edf2;
}

.pill.ok {
  color: var(--green);
  background: var(--green-bg);
}

.pill.warn {
  color: var(--amber);
  background: var(--amber-bg);
}

.pill.bad {
  color: var(--red);
  background: var(--red-bg);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  min-height: 86px;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
}

.tax-payment-summary {
  grid-column: 1 / -1;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.tax-payment-summary-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.tax-payment-summary h3,
.tax-payment-summary p {
  margin: 0;
}

.tax-payment-summary h3 {
  font-size: 18px;
}

.tax-payment-summary p {
  margin-top: 4px;
}

.tax-payment-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.tax-payment-table {
  min-width: 980px;
}

.tax-payment-table th,
.tax-payment-table td {
  vertical-align: top;
}

.tax-payment-table tbody tr.summary-total {
  background: #f6f9fb;
  font-weight: 700;
}

.tax-payment-status {
  display: inline-block;
  border-radius: 999px;
  padding: 3px 9px;
  background: #e8edf2;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

.tax-payment-status.ok {
  color: var(--green);
  background: var(--green-bg);
}

.tax-payment-status.warn {
  color: var(--amber);
  background: var(--amber-bg);
}

.tax-payment-status.bad {
  color: var(--red);
  background: var(--red-bg);
}

.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--line);
}

.tabs button {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom: 0;
  background: #eef3f7;
}

.tabs button.active {
  background: var(--surface);
  border-color: var(--line);
  font-weight: 700;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 0;
  padding: 16px;
  min-height: 360px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.section-title h3 {
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.source-box,
.form-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.company-card.readonly {
  background: #fbfcfd;
}

.company-card.readonly input,
.company-card.readonly select,
.company-card.readonly textarea {
  background: #f1f4f7;
  color: #586675;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
}

button:disabled {
  opacity: 0.55;
}

.source-box h4,
.form-box h4 {
  margin: 0 0 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mode-hint {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  background: #f8fbfd;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--muted);
}

.lookup-status {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  background: #f8fbfd;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--muted);
}

.lookup-status.ok {
  border-color: #b9dfc8;
  background: var(--green-bg);
  color: var(--green);
}

.lookup-status.bad {
  border-color: #efb1ad;
  background: var(--red-bg);
  color: var(--red);
}

.inline-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.wide-field {
  grid-column: 1 / -1;
}

.tax-section-title {
  grid-column: 1 / -1;
  margin-top: 6px;
  font-weight: 700;
  color: var(--ink);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}

.inline-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}

.inline-checkbox input {
  width: auto;
}

.source-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 9px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #eef6fb;
  font-weight: 700;
}

.right {
  text-align: right;
}

.muted {
  color: var(--muted);
}

.dataset-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.dataset-button {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.notice {
  border: 1px solid var(--line);
  background: #f8fbfd;
  border-radius: 8px;
  padding: 12px;
  color: var(--muted);
}

.mt-6 {
  margin-top: 6px;
}

.mt-10 {
  margin-top: 10px;
}

.mt-12 {
  margin-top: 12px;
}

.mt-14 {
  margin-top: 14px;
}

.mb-14 {
  margin-bottom: 14px;
}

dialog {
  border: 0;
  border-radius: 10px;
  padding: 0;
  width: min(420px, calc(100vw - 24px));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

dialog::backdrop {
  background: rgba(10, 24, 38, 0.4);
}

.dialog-form {
  padding: 20px;
  display: grid;
  gap: 12px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .topbar,
  .form-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .top-actions,
  .metrics,
  .quarter-head,
  .quarter-grid,
  .inline-field,
  .grid,
  .dataset-list {
    grid-template-columns: 1fr;
  }
}