:root {
  --bg: #090e1b;
  --surface: #131b2e;
  --surface-2: #1b2640;
  --surface-3: #222f4d;
  --border: #2b395a;
  --text: #eef3ff;
  --muted: #9aa8c4;
  --accent: #75aaff;
  --accent-strong: #3478f6;
  --success: #4ade80;
  --danger: #ef6b73;
  --warning: #f7c65f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(52,120,246,.10), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

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

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

.topbar {
  min-height: 72px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(9, 14, 27, .94);
  backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.brand small {
  display: block;
  color: var(--muted);
  margin-top: 2px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
}

.brand-mark.large {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  font-size: 28px;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

nav form {
  margin: 0;
}

.menu-button {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 12px;
}

.link-button {
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
}

.container {
  width: min(1220px, calc(100% - 32px));
  margin: 30px auto 64px;
}

.page-heading,
.panel-heading,
.list-row,
.button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.button-row {
  justify-content: flex-start;
  flex-wrap: wrap;
}

.page-heading {
  margin-bottom: 24px;
}

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

h1 {
  margin-bottom: 8px;
}

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

.muted,
small,
.helptext {
  color: var(--muted);
}

.helptext {
  display: block;
  margin-top: 6px;
  font-size: 13px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

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

.stat,
.panel,
.auth-card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), rgba(19,27,46,.92));
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 14px 40px rgba(0,0,0,.12);
}

.stat span {
  display: block;
  color: var(--muted);
  margin-bottom: 12px;
}

.stat strong {
  font-size: clamp(20px, 2vw, 27px);
}

.stat.income strong {
  color: var(--success);
}

.stat.expense strong {
  color: #ff8a91;
}

.grid-two,
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.list-row {
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.list-row:last-child {
  border-bottom: 0;
}

.list-row small {
  display: block;
  margin-top: 5px;
}

.transaction-row {
  transition: background .18s ease;
  padding-left: 8px;
  padding-right: 8px;
  border-radius: 10px;
}

.transaction-row:hover {
  background: var(--surface-2);
}

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

.grow {
  flex: 1;
  min-width: 0;
}

.narrow,
.form-card,
.auth-card {
  width: min(680px, 100%);
  margin: 38px auto;
}

.auth-card {
  text-align: center;
}

.form-stack p {
  text-align: left;
  margin-bottom: 18px;
}

label {
  display: block;
  color: var(--muted);
  margin-bottom: 7px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
}

input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

ul#id_books {
  list-style: none;
  padding: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 10px;
  padding: 11px 16px;
  cursor: pointer;
  font-weight: 700;
  font: inherit;
}

.button.primary {
  color: white;
  background: var(--accent-strong);
}

.button.secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.button.danger {
  color: white;
  background: #b53f48;
}

.message,
.notice {
  padding: 14px 16px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.message {
  background: rgba(74, 222, 128, .12);
  border: 1px solid rgba(74, 222, 128, .35);
}

.message.error {
  background: rgba(239, 107, 115, .12);
  border-color: rgba(239, 107, 115, .4);
}

.notice {
  background: rgba(247, 198, 95, .10);
  border: 1px solid rgba(247, 198, 95, .32);
}

.section-gap {
  margin-top: 20px;
}

.section-gap-small {
  margin-top: 16px;
}

.filter-panel summary {
  cursor: pointer;
  font-weight: 700;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.filter-grid p {
  margin: 0;
}

.filter-actions {
  display: flex;
  align-items: end;
  gap: 10px;
}

.evidence-image {
  width: 100%;
  max-height: 580px;
  object-fit: contain;
  background: #070b14;
  border-radius: 14px;
  border: 1px solid var(--border);
}

.empty-evidence {
  display: grid;
  place-items: center;
  min-height: 280px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  color: var(--muted);
}

.evidence-indicator {
  width: 36px;
  flex: 0 0 36px;
  text-align: center;
}

.detail-list {
  margin: 0;
}

.detail-list > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}

.detail-list > div:last-child {
  border-bottom: 0;
}

.detail-list dt {
  color: var(--muted);
}

.detail-list dd {
  margin: 0;
  word-break: break-word;
}

.badge {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(117,170,255,.12);
  color: var(--accent);
  font-size: 12px;
  margin-bottom: 14px;
}

.account-card h2 {
  margin-bottom: 8px;
}

.account-balance {
  display: block;
  font-size: 26px;
  margin-bottom: 8px;
}

.avatar {
  width: 43px;
  height: 43px;
  flex: 0 0 43px;
  border-radius: 14px;
  background: var(--surface-3);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.connection-card {
  padding: 18px;
  border-radius: 14px;
  border: 1px dashed var(--border);
  margin-bottom: 18px;
}

.connection-card.connected {
  border-style: solid;
  border-color: rgba(74,222,128,.35);
  background: rgba(74,222,128,.08);
}

.connection-card strong,
.connection-card span,
.connection-card small {
  display: block;
  margin-bottom: 7px;
}

.errorlist {
  color: #fca5a5;
  padding-left: 20px;
}

.existing-proof {
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--surface-2);
  margin-bottom: 18px;
}

@media (max-width: 980px) {
  .stat-grid.four,
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 13px 16px;
  }

  .brand small {
    display: none;
  }

  .menu-button {
    display: block;
  }

  nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 12px;
  }

  nav.open {
    display: flex;
  }

  nav a,
  nav .link-button {
    display: block;
    padding: 9px 0;
  }

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

  .stat-grid,
  .stat-grid.four,
  .grid-two,
  .detail-grid,
  .card-grid,
  .filter-grid {
    grid-template-columns: 1fr;
  }

  .list-row {
    align-items: flex-start;
  }

  .user-row {
    flex-wrap: wrap;
  }

  .align-right {
    min-width: 110px;
  }

  .detail-list > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .container {
    width: min(100% - 22px, 1220px);
    margin-top: 20px;
  }
}