:root {
  --impact-blue: #003f7d;
  --impact-blue-dark: #002d59;
  --impact-slate: #657487;
  --bg: #eef4f8;
  --panel: #ffffff;
  --line: #d7e3ec;
  --ink: #061525;
  --muted: #5c6b7a;
  --gold: #ad7a13;
  --red: #a93434;
  --green: #1e7a4d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

button, input, select { font: inherit; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 20px;
  background: #fff;
  border-right: 1px solid var(--line);
}

.brand {
  display: block;
  padding: 8px 6px 22px;
  border-bottom: 1px solid var(--line);
}

.brand img {
  width: 214px;
  height: auto;
  display: block;
}

nav {
  display: grid;
  gap: 7px;
}

.nav-item {
  width: 100%;
  padding: 12px 13px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #24364a;
  text-align: left;
  cursor: pointer;
  font-weight: 850;
}

.nav-item:hover,
.nav-item.active {
  background: var(--impact-blue);
  color: white;
}

.sidebar-foot {
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7fafc;
}

.sidebar-foot span,
.sidebar-foot strong {
  display: block;
}

.sidebar-foot span {
  color: var(--muted);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sidebar-foot strong {
  margin-top: 5px;
  color: var(--impact-blue);
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.workspace-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding: 26px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--impact-blue) 0%, var(--impact-blue-dark) 100%);
  color: white;
}

.eyebrow {
  margin: 0 0 7px;
  color: #7db6e6;
  font-size: .75rem;
  font-weight: 950;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1, h2 { margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1; }
h2 { font-size: 1.35rem; line-height: 1.15; }

#pageSubtitle {
  max-width: 760px;
  margin: 12px 0 0;
  color: rgba(255,255,255,.78);
  line-height: 1.55;
}

.session-card {
  min-width: 210px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px;
  background: rgba(255,255,255,.08);
}

.session-card span,
.session-card strong {
  display: block;
}

.session-card strong {
  margin: 4px 0 12px;
  color: #cfe8f8;
}

.login-panel,
.panel,
.metric-card,
.toolbar {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: 0 16px 40px rgba(6,21,37,.07);
}

.login-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 26px;
  align-items: start;
  padding: 24px;
}

.login-panel .eyebrow,
.panel .eyebrow {
  color: var(--impact-blue);
}

.login-panel p {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.6;
}

.login-form {
  display: grid;
  gap: 13px;
}

.entra-login {
  display: grid;
  gap: 8px;
  align-content: start;
}

.entra-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.local-login-label {
  margin: 0;
  color: var(--muted);
  font-size: .8rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

label {
  display: grid;
  gap: 6px;
  color: #24364a;
  font-weight: 850;
}

input, select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #c6d7e2;
  border-radius: 8px;
  background: white;
}

.primary-button,
.secondary-button,
.danger-button,
#signOutBtn {
  border: 0;
  border-radius: 999px;
  padding: 10px 15px;
  cursor: pointer;
  font-weight: 900;
}

.primary-button {
  background: var(--impact-blue);
  color: white;
}

.secondary-button,
#signOutBtn {
  border: 1px solid #c6d7e2;
  background: white;
  color: var(--impact-blue);
}

.danger-button {
  background: var(--red);
  color: white;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.aging-grid {
  display: grid;
  grid-template-columns: repeat(5,minmax(0,1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.aging-card {
  padding: 16px;
}

.aging-card span,
.aging-card small {
  display: block;
}

.aging-card span {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.aging-card strong {
  display: block;
  margin: 7px 0 4px;
  color: var(--impact-blue);
  font-size: 1.55rem;
}

.aging-card.warning strong { color: var(--gold); }
.aging-card.danger strong { color: var(--red); }

.metric-card {
  display: block;
  padding: 18px;
  text-align: left;
  cursor: pointer;
}

.metric-card span,
.metric-card small {
  display: block;
}

.metric-card span {
  color: var(--muted);
  font-size: .74rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin: 8px 0 4px;
  color: var(--impact-blue);
  font-size: 1.85rem;
}

.metric-card.warning strong { color: var(--gold); }
.metric-card.danger strong { color: var(--red); }
.metric-card.active {
  border-color: var(--impact-blue);
  box-shadow: 0 0 0 2px rgba(0, 63, 125, .12), 0 16px 40px rgba(6,21,37,.07);
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(280px, 1.15fr) minmax(360px, 1fr) minmax(180px, 240px) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
  padding: 16px;
}

.working-set-note {
  margin: -6px 0 18px;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.4;
}

.limit-row td {
  color: var(--muted);
  background: #f8fbfd;
  font-weight: 800;
}

.mini-reports {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.mini-reports button {
  min-height: 46px;
  padding: 8px 10px;
  border: 1px solid #c6d7e2;
  border-radius: 8px;
  background: #f8fbfd;
  color: var(--impact-blue);
  cursor: pointer;
  font-size: .82rem;
  font-weight: 900;
  text-align: center;
}

.mini-reports button:hover {
  border-color: var(--impact-blue);
  background: #eef6fb;
}

.panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
}

.panel {
  padding: 20px;
}

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

.info-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbfd;
}

.info-card h3 {
  margin: 0 0 8px;
  color: var(--impact-blue);
}

.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.panel-note {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.sql-settings-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbfd;
}

.password-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbfd;
}

.sql-settings-form .form-row-actions,
.password-form .form-row-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.status-note {
  min-height: 24px;
  margin: 0 0 10px;
  color: var(--impact-blue);
  font-weight: 850;
}

.status-note.error {
  color: var(--red);
}

.status-note.success {
  color: var(--green);
}

.workflow-panel {
  margin-bottom: 16px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 15px;
}

.compact-label {
  min-width: 190px;
  max-width: 240px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

th, td {
  padding: 11px 10px;
  border-bottom: 1px solid #e3ecf2;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

td {
  font-size: .94rem;
}

.money {
  font-weight: 900;
  white-space: nowrap;
}

.amount-with-count {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  white-space: nowrap;
}

.invoice-count {
  display: inline;
  border: 0;
  background: transparent;
  color: var(--impact-blue);
  cursor: pointer;
  font: inherit;
  font-size: .82rem;
  font-weight: 950;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.invoice-count:hover {
  color: var(--impact-blue-dark);
}

.invoice-count.empty {
  color: var(--muted);
  cursor: default;
  text-decoration: none;
}

.parent-row {
  background: #f8fbfd;
}

.total-row {
  background: #eaf3fa;
}

.total-row td {
  border-top: 2px solid var(--impact-blue);
  border-bottom: 2px solid #c4d9e8;
  color: var(--impact-blue);
  font-weight: 900;
}

.parent-row td {
  border-top: 2px solid #d6e5ef;
}

.expand-button {
  width: 28px;
  height: 28px;
  margin-right: 8px;
  border: 1px solid #c6d7e2;
  border-radius: 7px;
  background: white;
  color: var(--impact-blue);
  cursor: pointer;
  font-weight: 900;
  line-height: 1;
}

.expand-button:hover {
  background: var(--impact-blue);
  border-color: var(--impact-blue);
  color: white;
}

.subaccount-count {
  display: inline-block;
  margin-left: 8px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
}

.subaccount-row td {
  background: white;
  color: #33465a;
}

.subaccount-name {
  display: inline-block;
  padding-left: 38px;
  color: #24364a;
  font-weight: 800;
}

.assignment-select {
  min-width: 190px;
  max-width: 240px;
  padding: 8px 10px;
}

.user-actions {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.user-actions select {
  min-width: 170px;
  padding: 8px 10px;
}

.muted-text {
  color: var(--muted);
  font-size: .86rem;
  font-weight: 800;
}

.bucket {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e8f0f8;
  color: var(--impact-blue);
  font-size: .78rem;
  font-weight: 900;
}

.bucket.warn { background: #fff2dc; color: #875b10; }
.bucket.danger { background: #fae8e8; color: var(--red); }

.workflow-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.workflow-tab {
  border: 1px solid #c6d7e2;
  border-radius: 999px;
  padding: 9px 12px;
  background: #f8fbfd;
  color: var(--impact-blue);
  cursor: pointer;
  font-weight: 900;
}

.workflow-tab:hover,
.workflow-tab.active {
  border-color: var(--impact-blue);
  background: var(--impact-blue);
  color: white;
}

.workflow-table {
  min-width: 1120px;
}

.workflow-account-row td {
  background: #f8fbfd;
  border-top: 2px solid #d3e3ee;
}

.workflow-invoice-row td {
  background: white;
  font-size: .92rem;
}

.workflow-invoice-row td:nth-child(2),
.workflow-invoice-row td:nth-child(3) {
  padding-left: 22px;
}

.expand-btn {
  width: 28px;
  height: 28px;
  margin-right: 8px;
  border: 1px solid #c6d7e2;
  border-radius: 7px;
  background: white;
  color: var(--impact-blue);
  cursor: pointer;
  font-size: .8rem;
  font-weight: 950;
  line-height: 1;
}

.expand-btn:hover {
  border-color: var(--impact-blue);
  background: #eef6fb;
}

.workflow-status {
  display: inline-flex;
  align-items: center;
  padding: 5px 8px;
  border-radius: 999px;
  background: #e8f0f8;
  color: var(--impact-blue);
  font-size: .78rem;
  font-weight: 900;
  white-space: nowrap;
}

.workflow-status.success {
  background: #e5f5ed;
  color: var(--green);
}

.workflow-status.warn {
  background: #fff2dc;
  color: #875b10;
}

.workflow-status.danger {
  background: #fae8e8;
  color: var(--red);
}

.attention-row td {
  background: #fff7f7;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.row-actions button {
  border: 1px solid #c6d7e2;
  border-radius: 999px;
  padding: 7px 9px;
  background: white;
  color: var(--impact-blue);
  cursor: pointer;
  font-size: .78rem;
  font-weight: 900;
}

.row-actions button:hover {
  border-color: var(--impact-blue);
  background: #eef6fb;
}

.inline-form {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 10px;
  align-items: end;
  margin-bottom: 18px;
}

.invoice-modal {
  width: min(1120px, calc(100vw - 32px));
  max-height: min(760px, calc(100vh - 32px));
  border: 0;
  border-radius: 14px;
  padding: 0;
  box-shadow: 0 28px 90px rgba(6,21,37,.28);
}

.invoice-modal::backdrop {
  background: rgba(6, 21, 37, .55);
}

.modal-card {
  max-height: min(760px, calc(100vh - 32px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: white;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.modal-header p:not(.eyebrow) {
  margin: 8px 0 0;
  color: var(--muted);
}

.modal-card .table-wrap {
  max-height: calc(100vh - 180px);
  overflow: auto;
  padding: 0 22px 22px;
}

.action-modal {
  width: min(640px, calc(100vw - 32px));
}

.action-form-body {
  display: grid;
  gap: 16px;
  padding: 22px;
}

#actionFields {
  display: grid;
  gap: 14px;
}

textarea {
  width: 100%;
  resize: vertical;
  padding: 11px 12px;
  border: 1px solid #c6d7e2;
  border-radius: 8px;
  background: white;
  font: inherit;
}

.callout {
  padding: 12px 14px;
  border: 1px solid #c6d7e2;
  border-radius: 10px;
  background: #f8fbfd;
  color: #33465a;
  line-height: 1.45;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 4px;
}

.history-list {
  max-height: calc(100vh - 180px);
  overflow: auto;
  display: grid;
  gap: 10px;
  padding: 20px 22px 22px;
}

.history-item {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbfd;
}

.history-item div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.history-item span,
.history-item small,
.empty-state {
  color: var(--muted);
}

.history-item p {
  margin: 0;
  color: var(--ink);
  line-height: 1.45;
}

.empty-state {
  margin: 0;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  text-align: center;
}

[hidden] { display: none !important; }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .workspace-header, .login-panel, .panel-grid { grid-template-columns: 1fr; }
  .aging-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .metrics-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .settings-grid { grid-template-columns: 1fr; }
  .sql-settings-form { grid-template-columns: 1fr; }
  .password-form { grid-template-columns: 1fr; }
  .toolbar, .inline-form { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .workspace { padding: 16px; }
  .aging-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; }
  .workspace-header { flex-direction: column; }
}