/* style.css file */
.gst-calculator-card {
  background: #fff;
  padding: 25px;
  max-width: 400px;
  margin: 20px auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  border: 1px solid #e2e8f0;
}
.gst-calculator-card h2 {
  margin-top: 0;
  margin-bottom: 24px;
  text-align: center;
  color: #1e293b;
}
.gst-calculator-card .tabs {
  display: flex;
  margin-bottom: 20px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #ccc;
}
.gst-calculator-card .tabs button {
  flex: 1;
  padding: 12px;
  border: none;
  background: #f1f1f1;
  font-weight: 600;
  cursor: pointer;
  color: #334155;
  transition: background 0.3s ease;
}
.gst-calculator-card .tabs button.active {
  background: #fff;
  color: #4f46e5;
  border-bottom: 2px solid #4f46e5;
}
.gst-calculator-card label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #475569;
}
.gst-calculator-card input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 16px;
  box-sizing: border-box;
}
.gst-calculator-card .rates {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 15px;
}

/************ FIXTA EKHANE KORA HOYECHE ************/
.gst-calculator-card .rates button {
  background: #f8fafc;
  /* 1. EKHANE TEXT COLOR SET KORA HOYECHE */
  color: #475569; 
  cursor: pointer;
  font-weight: 500;
  border: 1px solid #e2e8f0;
  margin-bottom: 0;
  /* 2. PADDING ADD KORA HOYECHE JATE BUTTON SIZE THIK THAKE */
  padding: 12px 5px; 
  border-radius: 8px;
  font-size: 15px;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.gst-calculator-card .rates button:hover {
    border-color: #aab0b9;
}

.gst-calculator-card .rates button.active {
  background: #4f46e5;
  color: #fff;
  border-color: #4f46e5;
}
.gst-calculator-card .result {
    background-color: #f8fafc;
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
    border: 1px solid #e2e8f0;
}
.gst-calculator-card .result p {
  margin: 8px 0;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  color: #334155;
}
.gst-calculator-card .result p span, .gst-calculator-card .result p strong {
    font-weight: bold;
    color: #1e293b;
}
.gst-calculator-card button.reset {
  width: 100%;
  padding: 12px;
  border: 1px solid #d1d5db;
  background: #fff;
  color: #4b5563;
  font-weight: bold;
  margin-top: 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
}
.gst-calculator-card button.reset:hover {
    background-color: #f9fafb;
}