/* --- Global Styles & Variables --- */
:root {
  --primary-color: #1e4b6a; /* Deep Blue */
  --secondary-color: #2a9d8f; /* Teal Green */
  --bg-color: #f0f4f8; /* Light Grayish Blue */
  --card-bg-color: #ffffff;
  --text-color: #333;
  --border-color: #ddd;
  --font-family: "Poppins", sans-serif;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  margin: 0;
}

/* --- Main Calculator Container --- */
.calculator-container {
  background-color: var(--card-bg-color);
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 550px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}
header h1 {
  color: var(--primary-color);
  margin: 0;
}
header p {
  color: #666;
  margin-top: 5px;
}

/* --- Form Styles --- */
#tax-form .input-group {
  margin-bottom: 20px;
}
#tax-form label {
  display: block;
  font-weight: 500;
  /* margin-bottom: 8px; */
  color: #555;
}
#tax-form input[type="number"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  font-family: var(--font-family);
  transition: border-color 0.3s, box-shadow 0.3s;
}
#tax-form input[type="number"]:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
}
#tax-form button {
  width: 100%;
  padding: 15px;
  background-color: var(--secondary-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}
#tax-form button:hover {
  background-color: #238a7e;
}
.switch-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 34px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}
input:checked + .slider {
  background-color: var(--secondary-color);
}
input:checked + .slider:before {
  transform: translateX(26px);
}
.segmented-control {
  display: flex;
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}
.segmented-control input[type="radio"] {
  display: none;
}
.segmented-control label {
  flex: 1;
  text-align: center;
  padding: 10px;
  cursor: pointer;
  background-color: #f8f9fa;
  transition: background-color 0.3s, color 0.3s;
  font-weight: 500;
}
.segmented-control input[type="radio"]:checked + label {
  background-color: var(--primary-color);
  color: white !important;
}

/* --- Results & Breakdown Styles --- */
.hidden {
  display: none;
}
#results-container {
  margin-top: 30px;
  padding-top: 20px;
}
#results-summary,
#results-breakdown {
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #e9ecef;
  margin-bottom: 25px;
}
#results-container h2 {
  text-align: center;
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 22px;
}
.result-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #eee;
}
.result-row:last-child {
  border-bottom: none;
}
.result-row span:first-child {
  color: #555;
}
.result-row span:last-child {
  font-weight: 500;
}
.total-tax-row {
  margin-top: 15px;
  padding: 15px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 8px;
  text-align: center;
}
.total-tax-row .label {
  font-size: 18px;
  font-weight: 600;
  display: block;
}
.total-tax-row .value {
  font-size: 24px;
  font-weight: 700;
  display: block;
  margin-top: 5px;
}
.breakdown-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 15px;
}
.breakdown-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
}
.breakdown-row .slab-info {
  color: #666;
}
.breakdown-row .slab-tax {
  font-weight: 600;
  text-align: right;
}

/* --- Take-Home Summary Styles --- */
#take-home-summary {
  background-color: #ebfbff;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  margin-bottom: 25px;
}
.take-home-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0 0 15px 0;
}
.take-home-values {
  display: flex;
  justify-content: space-around;
}
.take-home-values .value-box p {
  margin: 0;
  color: #555;
  font-size: 14px;
}
.take-home-values .value-box .amount {
  font-size: 22px;
  font-weight: 700;
  color: var(--secondary-color);
}

/* --- NEW: Chart Styles --- */
#chart-container {
  background-color: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #e9ecef;
  padding: 20px;
  margin-bottom: 25px;
}
.chart-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
}

/* --- Savings Advisor Styles --- */
#savings-advisor {
  padding-top: 15px;
}
.advisor-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
}
.advice-card {
  background-color: #f8f9fa;
  border-left: 5px solid var(--secondary-color);
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 0 8px 8px 0;
}
.advice-card h4 {
  margin: 0 0 8px 0;
  color: var(--primary-color);
}
.advice-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}
.advice-card .savings-amount {
  color: var(--secondary-color);
  font-weight: 700;
}

footer {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: #888;
}