:root {
  --primary: #3c009e;
  --secondary: #b30084;
  --highlight: #f9f871;
  --text: #111111;
  --muted: #666666;
  --border: #eaeaea;
  --bg: #f7f7f7;
  --surface: #ffffff;
  --danger: #ff4d4f;
  --danger-soft: #fff1f0;
  --warning: #fa8c16;
  --warning-soft: #fff7e6;
  --success: #52c41a;
  --success-soft: #f6ffed;
  --info: #1890ff;
  --info-soft: #e6f4ff;
  --shadow: 0 8px 24px rgba(17, 17, 17, 0.05);
  --radius: 12px;
  --radius-sm: 6px;
  --font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
}

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

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

th,
td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

td {
  font-size: 14px;
}

tbody tr {
  transition: background-color 0.16s ease;
}

tbody tr:hover {
  background: #fafafa;
}

.is-hidden {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, #f8f7fc 0%, #f7f7f7 100%);
}

.login-card {
  width: min(100%, 420px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 28px;
}

#auth-shell {
  gap: 20px;
}

.setup-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin: 16px 0;
}

.qr-card,
.secret-card,
.session-chip {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

.qr-card {
  display: grid;
  place-items: center;
  padding: 12px;
}

.qr-card img {
  width: 100%;
  max-width: 220px;
}

.secret-card {
  padding: 14px;
}

.secret-label {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.secret-value {
  display: block;
  margin-bottom: 12px;
  padding: 10px;
  border-radius: 8px;
  background: #f7f7fb;
  color: var(--primary);
  word-break: break-all;
}

.login-card h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.login-copy {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.login-error {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 18px;
}

.brand-block {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.brand-logo {
  width: 220px;
  height: auto;
  margin-bottom: 10px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-block h1,
.topbar h2,
.panel-heading h3 {
  margin: 0;
}

.brand-block h1 {
  font-size: 22px;
}

.view-nav {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.view-link {
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  padding: 12px 14px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
}

.view-link:hover {
  background: #f6f0ff;
  color: var(--primary);
}

.view-link.is-active {
  background: var(--primary);
  color: #fff;
}

.sidebar-note {
  margin-top: 20px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fcfcfc;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.main-panel {
  min-width: 0;
  padding: 18px 20px 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 16px;
}

.topbar h2 {
  font-size: 22px;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.session-chip {
  padding: 10px 12px;
  min-width: 190px;
}

.session-chip span,
.session-chip small {
  display: block;
}

.session-chip span {
  font-size: 13px;
  font-weight: 700;
}

.session-chip small {
  font-size: 12px;
  color: var(--muted);
}

.month-filter,
.filter-bar label {
  display: grid;
  gap: 6px;
  min-width: 150px;
}

.month-filter span,
.filter-bar span {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.flash-message {
  min-height: 20px;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.view-section {
  display: none;
}

.view-section.is-active {
  display: block;
}

.stats-grid,
.dashboard-grid,
.module-grid {
  display: grid;
  gap: 16px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dashboard-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.module-grid {
  grid-template-columns: 360px minmax(0, 1fr);
}

.panel,
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  padding: 16px;
}

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

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-heading h3 {
  font-size: 18px;
}

.panel-meta {
  color: var(--muted);
  font-size: 12px;
}

.stat-card {
  padding: 16px;
}

.stat-card p,
.stat-card h3 {
  margin: 0;
}

.stat-card p {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}

.stat-card h3 {
  font-size: 24px;
  line-height: 1.2;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.stat-card.pending h3,
.stat-card.outflow h3 {
  color: var(--danger);
}

.stat-card.expected h3,
.stat-card.received h3,
.stat-card.inflow h3 {
  color: var(--info);
}

.stat-card.gap h3 {
  color: #8a6d00;
}

.chart-card {
  display: grid;
  gap: 14px;
}

.chart-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 90px;
  gap: 12px;
  align-items: center;
}

.chart-label,
.chart-value {
  font-size: 13px;
  font-weight: 600;
}

.chart-value {
  text-align: right;
}

.chart-track {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: #f1f1f1;
  overflow: hidden;
}

.chart-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
}

.chart-bar.inflow {
  background: var(--info);
}

.chart-bar.outflow {
  background: var(--danger);
}

.data-form {
  display: grid;
  gap: 12px;
}

.data-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.checkbox-row {
  display: flex !important;
  align-items: center;
  gap: 10px;
}

.checkbox-row input {
  width: auto;
  min-height: auto;
}

.data-form input,
.data-form select,
.data-form textarea,
.month-filter input,
.filter-bar select {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}

.data-form input:focus,
.data-form select:focus,
.data-form textarea:focus,
.month-filter input:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(60, 0, 158, 0.08);
}

.form-split,
.info-strip,
.filter-bar {
  display: grid;
  gap: 12px;
}

.form-split,
.info-strip {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.filter-bar {
  grid-template-columns: repeat(2, minmax(0, 180px));
  margin-bottom: 12px;
}

.info-strip {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fafafa;
}

.info-strip small {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  color: var(--muted);
}

.primary-button,
.ghost-button,
.table-action {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
}

.primary-button {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
}

.ghost-button,
.table-action {
  border: 1px solid var(--primary);
  background: #fff;
  color: var(--primary);
}

.table-action.delete {
  border-color: var(--danger);
  color: var(--danger);
}

.primary-button:hover,
.ghost-button:hover,
.table-action:hover {
  opacity: 0.95;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.action-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.badge.high,
.badge.unpaid,
.badge.delayed {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge.medium,
.badge.partial {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge.low {
  background: #f5f5f5;
  color: var(--muted);
}

.badge.paid,
.badge.received {
  background: var(--success-soft);
  color: var(--success);
}

.badge.expected,
.badge.payment,
.badge.inflow,
.badge.both {
  background: var(--info-soft);
  color: var(--info);
}

.amount-cell {
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}

.amount-cell.negative,
.amount-cell.pending {
  color: var(--danger);
}

.amount-cell.covered,
.amount-cell.received {
  color: var(--success);
}

.row-overdue,
.row-delayed {
  background: var(--danger-soft);
}

.row-overdue td:first-child,
.row-delayed td:first-child {
  color: var(--danger);
  font-weight: 700;
}

.row-due-today {
  background: #fffbe6;
}

.row-paid,
.row-received {
  background: var(--success-soft);
}

.list-stack {
  display: grid;
  gap: 10px;
}

.list-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
}

.list-item h4,
.list-item p,
.sidebar-note p {
  margin: 0;
}

.list-item h4 {
  font-size: 16px;
}

.list-item p {
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.empty-state {
  padding: 16px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 14px;
  background: #fff;
}

@media (max-width: 1360px) {
  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1120px) {
  .module-grid,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .main-panel {
    padding: 14px;
  }

  .setup-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .form-split,
  .info-strip,
  .filter-bar,
  .chart-row {
    grid-template-columns: 1fr;
  }

  .chart-value {
    text-align: left;
  }
}