/* ===== General Layout ===== */
body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #f4f4f4;
}

.container {
  width: 100vw;
  min-height: 100vh;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 160px auto auto 125px;
  gap: 10px;
  padding: 15px;
  box-sizing: border-box;
}

.container div,
header,
footer {
  padding: 20px;
  background-color: white;
  border-radius: 12px;
}

/* ===== Grid Area Control ===== */
header, footer {
  text-align: center;
  grid-column: 1 / 5;
}

.box0 { text-align: center; grid-column: 1 / 4; grid-row: 2 / 4; }
.box1 { grid-column: 4 / 5; grid-row: 2 / 3; }
.box2 { grid-column: 4 / 5; grid-row: 3 / 4; }

/* ===== Input Styles (Shared) ===== */
input[type="number"],
input[type="date"],
select {
  padding: 0.6rem;
  margin: 0.3rem 0;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  background-color: #fefefe;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="number"]:focus,
input[type="date"]:focus,
select:focus {
  outline: none;
  border-color: #222;
  box-shadow: 0 0 0 2px rgba(34, 34, 34, 0.2);
}

/* ===== Input Widths (Custom) ===== */
#startingMoney       { width: 45%; }
#depositAmount,
#depositFrequency     { width: 30%; }
#interestRate,
#taxRate              { width: 15%; }
#startDate,
#endDate              { width: 20%; }

/* ===== Toggle Style ===== */
#depositToggle {
  accent-color: #222;
  width: 16px;
  height: 16px;
  cursor: pointer;
  margin-right: 0.5rem;
}

/* ===== Buttons ===== */
#calculateBtn,
#resetBtn {
  background-color: #222;
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
}

#calculateBtn:hover,
#resetBtn:hover {
  background-color: #444;
}

/* ===== Table ===== */
#resultArea table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

#resultArea th,
#resultArea td {
  border: 1px solid #ddd;
  padding: 8px;
}

#resultArea th {
  background-color: #222;
  color: white;
}