:root {
  --bg-0: #f4f1e8;
  --bg-1: #dbe7df;
  --tile: rgba(255, 255, 255, 0.86);
  --tile-border: rgba(22, 39, 44, 0.12);
  --ink: #0f2024;
  --muted: #456068;
  --accent: #0d8575;
  --accent-soft: #62b8a9;
  --danger: #c74646;
  --line: #1f3136;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--ink);
  background: linear-gradient(145deg, var(--bg-0), var(--bg-1));
  overflow-x: hidden;
}

.backdrop {
  position: fixed;
  inset: auto;
  border-radius: 999px;
  filter: blur(0);
  opacity: 0.35;
  z-index: 0;
}

.backdrop-a {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -100px;
  background: radial-gradient(circle at center, #7dd0a2 0%, transparent 70%);
  animation: drift-a 16s ease-in-out infinite;
}

.backdrop-b {
  width: 520px;
  height: 520px;
  bottom: -220px;
  left: -140px;
  background: radial-gradient(circle at center, #67bfd8 0%, transparent 70%);
  animation: drift-b 18s ease-in-out infinite;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 24px 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
  align-items: center;
  margin-bottom: 20px;
  animation: rise 0.48s ease-out both;
}

.hero h1 {
  margin: 6px 0 10px;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.05;
}

.hero-subtitle {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
}

.hero-actions {
  display: grid;
  gap: 10px;
}

.button {
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button-primary {
  color: #fff;
  background: linear-gradient(130deg, var(--accent), #136f99);
  box-shadow: 0 8px 20px rgba(9, 81, 92, 0.25);
}

.button-secondary {
  color: #14313a;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(20, 49, 58, 0.18);
}

.button-tertiary {
  color: #14313a;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(20, 49, 58, 0.18);
}

.security-pill {
  margin: 14px 0 0;
  padding: 8px 12px;
  border-radius: 999px;
  display: inline-block;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 32, 36, 0.1);
  color: #294e55;
  font-size: 13px;
}

.disclaimer,
.auth-panel,
.status-panel {
  border-radius: 14px;
  background: var(--tile);
  border: 1px solid var(--tile-border);
  padding: 12px 14px;
}

.disclaimer {
  margin-bottom: 12px;
}

.auth-panel {
  margin-bottom: 12px;
}

.auth-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.auth-form label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.auth-form input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(20, 49, 58, 0.25);
  background: rgba(255, 255, 255, 0.84);
  padding: 10px;
  font: inherit;
}

.disclaimer p,
.status-panel {
  margin: 0;
  color: #2d4e56;
}

.status-panel {
  margin-bottom: 16px;
  min-height: 46px;
  display: flex;
  align-items: center;
}

.status-panel[data-level='error'] {
  border-color: rgba(199, 70, 70, 0.35);
  color: #6a2121;
  background: rgba(247, 222, 222, 0.95);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.card-tile {
  border-radius: 16px;
  border: 1px solid var(--tile-border);
  background: var(--tile);
  padding: 14px;
  box-shadow: 0 10px 26px rgba(30, 70, 74, 0.12);
  animation: rise 0.46s ease both;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.card-name {
  margin: 0;
  font-size: 20px;
}

.card-meta {
  margin: 3px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.toggle-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.card-controls {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: end;
}

.card-controls label {
  font-size: 12px;
  color: var(--muted);
  display: grid;
  gap: 5px;
}

.card-controls input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(20, 49, 58, 0.25);
  background: rgba(255, 255, 255, 0.84);
  padding: 8px;
  font: inherit;
}

.summary-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.label {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.value {
  margin: 4px 0 0;
  font-size: 16px;
  font-weight: 700;
}

.spend-value {
  color: #136d67;
}

.remaining-value[data-over='true'] {
  color: var(--danger);
}

.bar-wrap {
  margin-top: 13px;
}

.stacked-bar {
  position: relative;
  height: 22px;
  border-radius: 999px;
  background: rgba(20, 49, 58, 0.1);
  overflow: hidden;
}

.segment {
  height: 100%;
  position: absolute;
  top: 0;
}

.segment-spend {
  left: 0;
  background: linear-gradient(90deg, #127e7b, #31aa9f);
}

.cap-line {
  position: absolute;
  top: -4px;
  width: 2px;
  height: 30px;
  background: var(--line);
}

.legend-row {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.legend-row span {
  display: inline-flex;
  gap: 5px;
  align-items: center;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-spend {
  background: #1f9188;
}

.dot-cap {
  background: var(--line);
}

.cycle-window {
  margin: 10px 0 2px;
  font-size: 12px;
  color: var(--muted);
}

.transactions-panel {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(20, 49, 58, 0.12);
}

.transactions-toggle {
  border: 0;
  background: transparent;
  padding: 0;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  cursor: pointer;
}

.transactions-toggle-icon {
  color: #254851;
  font-size: 11px;
  transform-origin: 50% 50%;
  transition: transform 120ms ease;
}

.transactions-toggle[aria-expanded='true'] .transactions-toggle-icon {
  transform: rotate(90deg);
}

.transactions-summary {
  color: #254851;
  font-size: 12px;
  font-weight: 600;
}

.transactions-wrap {
  margin-top: 8px;
}

.transactions-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.transaction-item {
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(20, 49, 58, 0.12);
}

.transaction-item-header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}

.transaction-name {
  font-size: 13px;
  font-weight: 600;
  color: #15363d;
  margin: 0;
}

.transaction-amount {
  font-size: 13px;
  font-weight: 700;
  color: #15363d;
  margin: 0;
  white-space: nowrap;
}

.transaction-meta {
  margin-top: 4px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.transactions-empty {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.empty-state {
  border-radius: 16px;
  border: 1px dashed rgba(20, 49, 58, 0.28);
  padding: 18px;
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift-a {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  50% {
    transform: translateY(18px) translateX(-18px);
  }
}

@keyframes drift-b {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  50% {
    transform: translateY(-20px) translateX(20px);
  }
}

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

  .hero-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .shell {
    padding: 20px 14px 28px;
  }

  .auth-form {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: 1fr 1fr;
    row-gap: 10px;
  }

  .card-controls {
    grid-template-columns: 1fr 1fr;
  }

  .card-controls .import-button {
    grid-column: span 2;
  }
}