:root {
  --bg: #f7fdfc;
  --bg-alt: #eefcf9;
  --panel: rgba(255, 255, 255, 0.96);
  --line: rgba(24, 205, 188, 0.18);
  --text: #0d284b;
  --muted: #476281;
  --accent: #18cdbc;
  --accent-deep: #0fb8a8;
  --accent-soft: #dbfbf7;
  --success: #0f8e80;
  --shadow: 0 20px 50px rgba(13, 40, 75, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(24, 205, 188, 0.08), transparent 24%),
    radial-gradient(circle at bottom right, rgba(13, 40, 75, 0.05), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 44%, #f4fffd 100%);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

p {
  margin: 0;
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.brand-header,
.panel {
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(24, 205, 188, 0.12);
  box-shadow: var(--shadow);
}

.brand-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-radius: var(--radius-xl);
  margin-bottom: 18px;
  position: relative;
}

.brand-header::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 0;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  padding-bottom: 18px;
}

.brand-logo {
  display: block;
  width: min(420px, 52vw);
  height: auto;
}

.panel-kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

.layout {
  display: grid;
  gap: 24px;
}

.library-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: start;
}

.saved-list-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  padding: 16px;
}

.saved-list-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
  color: var(--muted);
}

.search-label {
  display: block;
  margin-bottom: 12px;
}

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

.saved-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  border: 1px solid rgba(24, 205, 188, 0.16);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.92);
}

.saved-item.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(24, 205, 188, 0.25);
}

.saved-item-copy {
  display: grid;
  gap: 4px;
}

.saved-item-copy strong {
  font-size: 1rem;
}

.saved-item-copy span {
  font-size: 0.88rem;
  color: var(--muted);
}

.saved-item-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.empty-state {
  color: var(--muted);
  margin: 0;
  padding: 10px 2px;
}

.panel {
  border-radius: var(--radius-xl);
  padding: 28px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.panel-header h2 {
  font-size: 1.8rem;
}

.summary-product-name {
  margin-top: 8px;
  color: var(--muted);
}

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

label span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--text);
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid rgba(160, 90, 44, 0.22);
  outline-offset: 2px;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button,
.icon-button {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #052641;
  padding: 12px 18px;
  font-weight: 700;
}

.button-secondary {
  background: rgba(24, 205, 188, 0.08);
  color: var(--text);
  padding: 12px 18px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

th,
td {
  text-align: left;
  padding: 14px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.amount-input {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  padding-left: 14px;
}

.amount-input span {
  color: var(--muted);
}

.amount-input input {
  border: 0;
  background: transparent;
}

.expense-total {
  font-weight: 700;
}

.icon-button {
  background: rgba(24, 205, 188, 0.08);
  color: var(--text);
  padding: 10px 14px;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.metric-card,
.insight-card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(109, 81, 61, 0.1);
  border-radius: var(--radius-lg);
}

.metric-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.metric-card span {
  color: var(--muted);
}

.metric-card strong {
  font-size: 1.9rem;
  line-height: 1;
}

.metric-card.accent {
  background: linear-gradient(160deg, rgba(24, 205, 188, 0.2), rgba(255, 255, 255, 0.96));
}

.insights-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.insight-card {
  padding: 22px;
}

.breakdown-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.breakdown-item {
  display: grid;
  gap: 6px;
}

.breakdown-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.bar-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(109, 81, 61, 0.08);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8cf2e8, var(--accent));
}

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

.snapshot-grid span {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.snapshot-grid strong {
  font-size: 1.2rem;
}

@media (max-width: 980px) {
  .library-grid,
  .insights-grid,
  .summary-cards,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .panel-header {
    flex-direction: column;
  }

  .saved-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 16px;
  }

  .brand-header,
  .panel {
    padding: 20px;
  }

  .brand-logo {
    width: min(280px, 70vw);
  }

  .snapshot-grid {
    grid-template-columns: 1fr;
  }
}