:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-strong: #f0f2f5;
  --text: #16191d;
  --muted: #667085;
  --line: #d8dde5;
  --accent: #d71920;
  --accent-dark: #ac1016;
  --blue: #2563eb;
  --green: #16834a;
  --warning: #a15c00;
  --danger: #c82124;
  --shadow: 0 10px 30px rgba(20, 25, 35, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

a {
  color: var(--accent-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nav a,
.nav-button {
  color: var(--muted);
  font: inherit;
  background: transparent;
  border: 0;
  padding: 6px 0;
  cursor: pointer;
}

.nav a:hover,
.nav-button:hover {
  color: var(--text);
  text-decoration: none;
}

.content {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 80px;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 6px;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

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

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - 160px);
}

.form-card {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.form-card.wide {
  max-width: 860px;
}

label {
  display: grid;
  gap: 7px;
  color: #30353d;
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(215, 25, 32, 0.18);
  border-color: var(--accent);
}

.button,
.icon-button,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border-radius: 6px;
  border: 1px solid transparent;
  padding: 9px 14px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  text-decoration: none;
}

.button:hover,
.icon-button:hover {
  text-decoration: none;
}

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

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.button.compact {
  min-height: 34px;
  padding: 7px 10px;
  font-size: 13px;
}

.icon-button {
  width: 42px;
  padding: 0;
  border-color: var(--line);
  background: var(--surface-strong);
  color: var(--text);
}

.icon-button.danger,
.link-button.danger {
  color: var(--danger);
}

.link-button {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-dark);
}

.flash {
  margin-bottom: 18px;
  padding: 12px 14px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
}

.flash-success,
.notice.success,
.import-feedback.success {
  border-color: rgba(22, 131, 74, 0.28);
  background: #eefaf3;
  color: var(--green);
}

.flash-error,
.flash-warning,
.import-feedback.warning {
  border-color: rgba(161, 92, 0, 0.28);
  background: #fff8ed;
  color: var(--warning);
}

.notice {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-strong);
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat {
  padding: 18px;
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
  line-height: 1;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.module-card {
  display: grid;
  gap: 12px;
  padding: 24px;
  color: var(--text);
  text-decoration: none;
}

.module-card:hover {
  border-color: #b7c0ce;
  text-decoration: none;
}

.module-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 32px;
  border-radius: 4px;
  background: #111;
  color: #fff;
  font-size: 12px;
  font-weight: 850;
}

.table-card {
  overflow: hidden;
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-strong);
  color: #47505c;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.actions,
.actions-col {
  white-space: nowrap;
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.icon-link {
  color: var(--blue);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #eef2f7;
  color: #344054;
  font-size: 12px;
  font-weight: 800;
}

.money-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
}

.money-badge.positive {
  background: #eefaf3;
  color: var(--green);
}

.money-badge.negative {
  background: #fff1f1;
  color: var(--danger);
}

.money-badge.neutral {
  background: #eef2f7;
  color: #344054;
}

.balance-cell {
  white-space: nowrap;
}

.balance-amount {
  font-weight: 850;
}

.balance-amount.positive {
  color: var(--green);
}

.balance-amount.negative {
  color: var(--danger);
}

.balance-amount.neutral {
  color: #344054;
}

.balance-detail {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  display: grid;
  justify-items: start;
  gap: 10px;
  padding: 34px;
}

.form-section {
  display: grid;
  gap: 18px;
  margin-bottom: 18px;
  padding: 22px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.form-grid {
  display: grid;
  gap: 14px;
}

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

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

.form-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.import-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.import-box p {
  grid-column: 1 / -1;
}

.import-feedback {
  min-height: 24px;
  color: var(--muted);
}

.repeat-list {
  display: grid;
  gap: 14px;
}

.repeat-row {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.row-grid {
  display: grid;
  gap: 12px;
  align-items: end;
}

.destination-grid {
  grid-template-columns: minmax(160px, 1.6fr) minmax(140px, 1fr) minmax(130px, 1fr) minmax(120px, 0.8fr) minmax(120px, 0.8fr) 42px;
}

.documented-grid {
  grid-template-columns: 140px minmax(220px, 1fr) 120px 42px;
}

.undocumented-grid {
  grid-template-columns: 140px minmax(220px, 1fr) 120px 42px;
}

.meals-grid {
  grid-template-columns: 145px minmax(230px, 1fr) minmax(230px, 1fr) minmax(190px, 0.75fr) 42px;
  align-items: start;
}

.lodging-grid {
  grid-template-columns: 145px 140px minmax(180px, 0.9fr) minmax(220px, 1fr) 42px;
}

.fuel-refill-grid {
  grid-template-columns: minmax(145px, 1fr) minmax(125px, 0.8fr) minmax(125px, 0.8fr) minmax(125px, 0.8fr) 42px;
}

.vehicle-section {
  border-top: 3px solid #20242a;
}

.vehicle-note-preview {
  min-height: 48px;
}

.vehicle-split-check {
  padding-top: 0;
}

.fuel-title {
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.fuel-title h3 {
  margin: 0;
  font-size: 16px;
}

.add-button {
  color: var(--green);
  font-size: 22px;
  line-height: 1;
}

.meal-entry,
.breakfast-entry {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.meal-entry-row {
  display: grid;
  grid-template-columns: minmax(100px, 1fr) auto auto;
  gap: 10px;
  align-items: end;
  min-width: 0;
}

.meal-entry label,
.breakfast-entry label {
  min-width: 0;
}

.meal-note-field.hidden,
[data-breakfast-field].hidden {
  display: none;
}

.car-fields {
  padding: 12px;
  border-radius: 6px;
  background: #f3f6f9;
}

.hidden {
  display: none !important;
}

.check-field {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding-top: 21px;
}

.check-field input {
  width: 18px;
  min-height: 18px;
}

.compact-check {
  min-width: 0;
  font-size: 12px;
}

.smart-warnings ul {
  margin: 0;
  padding: 12px 18px 12px 32px;
  border: 1px solid rgba(161, 92, 0, 0.28);
  border-radius: 6px;
  background: #fff8ed;
  color: var(--warning);
}

.sticky-actions {
  position: sticky;
  bottom: 0;
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 14px 0 0;
  background: linear-gradient(to top, var(--bg) 74%, rgba(245, 246, 248, 0));
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.detail-card {
  padding: 22px;
}

dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 10px 16px;
  margin: 0;
}

dt {
  color: var(--muted);
  font-weight: 700;
}

dd {
  margin: 0;
}

.compact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.compact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.compact-list span {
  color: var(--muted);
}

@media (max-width: 980px) {
  .content {
    width: min(100% - 24px, 1180px);
    padding-top: 26px;
  }

  .auth-panel,
  .module-grid,
  .detail-grid,
  .stats-grid,
  .form-grid.two,
  .form-grid.three,
  .form-grid.four,
  .destination-grid,
  .documented-grid,
  .undocumented-grid,
  .meals-grid,
  .lodging-grid,
  .fuel-refill-grid,
  .import-box {
    grid-template-columns: 1fr;
  }

  .page-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .check-field {
    padding-top: 0;
  }

  .form-section,
  .form-card,
  .detail-card {
    padding: 18px;
  }

  .repeat-row {
    gap: 10px;
    padding: 12px;
  }

  .row-grid {
    gap: 10px;
  }

  .section-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-title .button,
  .import-box .button {
    width: 100%;
  }

  .sticky-actions {
    flex-direction: column;
  }

  .sticky-actions .button {
    width: 100%;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 14px;
  }

  .topbar {
    padding: 12px 16px;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .nav {
    gap: 8px 12px;
  }

  .content {
    width: min(100% - 16px, 1180px);
    padding: 18px 0 92px;
  }

  .page-head {
    gap: 12px;
    margin-bottom: 16px;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 18px;
  }

  .form-section,
  .form-card,
  .detail-card {
    gap: 14px;
    padding: 12px;
    border-radius: 6px;
  }

  .repeat-list {
    gap: 10px;
  }

  .repeat-row {
    padding: 10px;
    border-radius: 6px;
  }

  input,
  select,
  textarea {
    min-height: 40px;
    padding: 9px 10px;
  }

  .button,
  .icon-button {
    min-height: 38px;
  }

  .button,
  .link-button {
    width: 100%;
  }

  .actions {
    width: 100%;
  }

  .actions .button,
  .actions .link-button {
    flex: 1 1 160px;
  }

  .check-field {
    min-height: 36px;
    align-items: center;
  }

  .compact-check {
    font-size: 13px;
  }

  .sticky-actions {
    gap: 8px;
    padding-top: 10px;
  }

  dl {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .topbar {
    padding-inline: 12px;
  }

  .content {
    width: min(100% - 12px, 1180px);
  }

  .form-section,
  .form-card,
  .detail-card {
    padding: 10px;
  }

  .repeat-row {
    padding: 9px;
  }
}