:root {
  --primary: #0f5132; /* Deep Emerald */
  --primary-light: #27ae60;
  --background: #fdfcfb; /* Cream White */
  --surface: #ffffff;
  --text-dark: #0a1e14;
  --text-light: #fefefe;
  --accent: #c4a484; /* Subtle gold accent */
  --shadow: rgba(0, 0, 0, 0.1);
  --radius: 14px;
  --transition: 0.3s ease;
}

/* === Base Reset === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', 'Poppins', sans-serif;
}

body {
  background-color: var(--background);
  color: var(--text-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
  transition: background var(--transition), color var(--transition);
}

/* === Header === */
header {
  background: linear-gradient(135deg, var(--primary), #0a1e14);
  color: var(--text-light);
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  animation: slideDown 0.6s ease;
}

header h1 {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.6px;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav a {
  text-decoration: none;
  color: var(--text-light);
  font-weight: 600;
  position: relative;
  transition: color var(--transition);
}

nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  transition: width var(--transition);
}

nav a:hover {
  color: var(--accent);
}

nav a:hover::after {
  width: 100%;
}

/* === Main Content === */
main {
  flex: 1;
  width: 90%;
  max-width: 1100px;
  margin: 2rem auto;
  animation: fadeIn 0.8s ease;
}

/* === Dashboard Cards === */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 3px 12px var(--shadow);
  padding: 1.8rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 20px rgba(15, 81, 50, 0.25);
}

.card h3 {
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.6rem;
  font-size: 1.2rem;
}

/* === Buttons === */
button,
a.button {
  background: var(--primary);
  color: var(--text-light);
  border: none;
  padding: 0.75rem 1.4rem;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: background var(--transition), transform var(--transition);
}

button:hover,
a.button:hover {
  background: var(--primary-light);
  transform: scale(1.05);
}

/* === Budget Section === */
#budget-section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: 0 3px 12px var(--shadow);
  margin-bottom: 2rem;
  animation: fadeIn 1s ease;
}

/* === Table === */
.records-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  box-shadow: 0 3px 10px var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}

.records-table th {
  background: var(--primary);
  color: var(--text-light);
  text-align: left;
  padding: 1rem;
  font-weight: 600;
}

.records-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid #eee;
  transition: background var(--transition);
}

.records-table tr:hover td {
  background: #e9f7ef;
}

/* === Search Bar === */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.search-bar input {
  flex: 1;
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  transition: border var(--transition), box-shadow var(--transition);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.15);
}

/* === Settings Section === */
#settings {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 3px 10px var(--shadow);
  padding: 1.8rem;
}

#settings form {
  display: grid;
  gap: 1rem;
}

#settings input {
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  transition: border var(--transition);
}

#settings input:focus {
  border-color: var(--primary);
}

/* === Footer === */
footer {
  background: #0a1e14;
  color: var(--text-light);
  text-align: center;
  padding: 1.2rem;
  font-size: 0.9rem;
  box-shadow: 0 -3px 10px var(--shadow);
}

/* === Animations === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* === Scroll Animations === */
/* === Scroll Animations === */
section.animate-on-scroll, .card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

section.animate-on-scroll.visible, .card.visible {
  opacity: 1;
  transform: translateY(0);
}

section.visible, .card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   🌿 Mobile-first Responsive
   =========================== */

/* Base: ≤ 360px */
body {
  font-size: 14px;
  padding: 0 1rem;
}

header {
  flex-direction: column;
  text-align: center;
  gap: 0.5rem;
}

nav ul {
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

main {
  width: 100%;
  margin: 1rem auto;
}

.cards {
  grid-template-columns: 1fr;
  gap: 1rem;
}

.records-table th,
.records-table td {
  font-size: 0.85rem;
  padding: 0.5rem;
}

.search-bar {
  flex-direction: column;
  gap: 0.5rem;
}

footer {
  font-size: 0.8rem;
}

/* Tablets ≥ 768px */
@media (min-width: 768px) {
  body { font-size: 15px; }
  header {
    flex-direction: row;
    justify-content: space-between;
  }

  .cards { grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }

  #settings form { grid-template-columns: 1fr 1fr; gap: 1rem 2rem; }
}

/* Desktop ≥ 1024px */
@media (min-width: 1024px) {
  body { font-size: 16px; }
  .cards { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
  #settings form { grid-template-columns: 1fr 1fr 1fr; }
}
/* === Bar Chart Styling === */
.bar-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 150px;
  gap: 8px;
  padding: 10px;
  background: linear-gradient(to top, rgba(15, 81, 50, 0.05) 0%, transparent 100%);
  border-radius: 8px;
  margin-top: 10px;
}

.bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 30px;
}

.bar {
  width: 100%;
  max-width: 50px;
  background: linear-gradient(to top, var(--primary), var(--primary-light));
  border-radius: 4px 4px 0 0;
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  min-height: 4px;
}

.bar:hover {
  background: linear-gradient(to top, var(--primary-light), var(--accent));
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgba(15, 81, 50, 0.3);
}

.bar-label {
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--text-dark);
  font-weight: 600;
  text-align: center;
}

/* Empty state */
.bar-chart p {
  text-align: center;
  color: #999;
  font-style: italic;
  width: 100%;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .bar-chart {
    height: 120px;
    gap: 4px;
  }
  
  .bar {
    max-width: 35px;
  }
  
  .bar-label {
    font-size: 0.65rem;
  }
}

/* Exchange Rate Preview */
#rate-preview {
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
```

---