/* Base and Global */
body {
  font-family: 'Kanit', sans-serif;
  background-color: #f0f2f5;
  margin: 0;
  padding: 0;
  font-size: 18px;
  color: #333;
}

/* Landing Page */
.landing-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
  text-align: center;
  padding: 20px;
  box-sizing: border-box;
}

.landing-page h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.landing-page p {
  font-size: 1.3rem;
  margin-bottom: 40px;
  max-width: 600px;
  color: #333333;
}

.landing-page button {
  padding: 18px 40px;
  font-size: 1.6rem;
  background-color: #ffffff;
  color: #4a90e2;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s;
  font-family: 'Kanit', sans-serif;
}

.landing-page button:hover {
  background-color: #e0e0e0;
  transform: scale(1.05);
}

/* Container */
.container {
  max-width: 850px;
  margin: 30px auto;
  background-color: #ffffff;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  display: none;
  position: relative;
}

.container h1 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 30px;
  color: #333333;
}

/* Labels and Inputs */
label {
  display: block;
  margin-top: 20px;
  font-weight: 600;
  color: #555555;
  font-size: 1.1rem;
}

input[type="text"], select {
  width: 100%;
  padding: 14px;
  margin-top: 8px;
  border: 1px solid #cccccc;
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 1.1rem;
  font-family: 'Kanit', sans-serif; /* Enforced Kanit for dropdown boxes */
}

.info {
  font-size: 0.95rem;
  color: #777777;
  margin-top: 4px;
}

/* Buttons */
button {
  margin-top: 30px;
  padding: 18px;
  background-color: #007bff;
  color: #ffffff;
  border: none;
  border-radius: 50px;
  font-size: 1.6rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s;
  font-family: 'Kanit', sans-serif;
}

button:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}

/* Checkboxes */
input[type="checkbox"] {
  margin-right: 10px;
  transform: scale(1.2);
  cursor: pointer;
}

.checkbox-group {
  display: flex;
  align-items: center;
  margin-top: 10px;
  font-size: 1.1rem;
}

/* Tax Year Options */
.tax-year-options {
  margin-top: 15px;
  display: flex;
  gap: 20px;
}

/* Step Content */
.step-content {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.step-content.active {
  display: block;
  opacity: 1;
}

/* Navigation Buttons (Prev/Next) */
.navigation-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
}

.navigation-buttons button {
  width: 45%;
  font-family: 'Kanit', sans-serif;
  margin: 5px;
}

/* Error Messages */
.error {
  color: red;
  font-size: 0.9rem;
  margin-left: 10px;
}

/* ──────────────────────────────────────────────────────────────
   NEW ARROW-STYLE STEPPER (Different Colors for Odd & Even Steps)
   ────────────────────────────────────────────────────────────── */
.stepper {
  display: flex;
  margin-bottom: 30px;
  overflow: hidden;
  border-radius: 6px;
}

/* Default (non-active) states */
/* Odd steps (1 & 3): Darker blue */
.stepper-step:nth-child(odd) {
  flex: 1;
  position: relative;
  background-color: #6699cc;  /* darker blue */
  color: #fff;
  font-weight: bold;
  text-align: center;
  padding: 15px 0;
  transition: background-color 0.3s, color 0.3s;
  cursor: pointer;
}

/* Even steps (2 & 4): Lighter blue */
.stepper-step:nth-child(even) {
  flex: 1;
  position: relative;
  background-color: #99ccff;  /* lighter blue */
  color: #fff;
  font-weight: bold;
  text-align: center;
  padding: 15px 0;
  transition: background-color 0.3s, color 0.3s;
  cursor: pointer;
}

/* Arrow effect for default state */
.stepper-step:nth-child(odd)::before,
.stepper-step:nth-child(even)::before {
  content: "";
  position: absolute;
  top: 0;
  right: -20px;
  width: 0;
  height: 0;
  border-top: 30px solid transparent;
  border-bottom: 30px solid transparent;
  z-index: 1;
}

/* Set arrow colors according to step parity */
.stepper-step:nth-child(odd)::before {
  border-left: 20px solid #6699cc;
}
.stepper-step:nth-child(even)::before {
  border-left: 20px solid #99ccff;
}

/* Remove arrow on final step */
.stepper-step:last-child::before {
  display: none;
}

/* Active states */
/* Odd steps active: even darker blue */
.stepper-step:nth-child(odd).active {
  background-color: #0056b3;
  color: #fff;
}
.stepper-step:nth-child(odd).active::before {
  border-left-color: #0056b3;
}

/* Even steps active: moderate blue */
.stepper-step:nth-child(even).active {
  background-color: #007bff;
  color: #fff;
}
.stepper-step:nth-child(even).active::before {
  border-left-color: #007bff;
}

/* Completed states */
/* Odd steps completed: same as odd active */
.stepper-step:nth-child(odd).completed {
  background-color: #0056b3;
  color: #fff;
}
.stepper-step:nth-child(odd).completed::before {
  border-left-color: #0056b3;
}

/* Even steps completed: same as even active */
.stepper-step:nth-child(even).completed {
  background-color: #007bff;
  color: #fff;
}
.stepper-step:nth-child(even).completed::before {
  border-left-color: #007bff;
}

/* If any old circular step icon exists, hide it */
.stepper-step-circle {
  display: none !important;
}

/* Step labels inside each arrow */
.stepper-step-label {
  font-size: 1rem;
  margin-top: 0;
}

/* Deduction Sections (colored backgrounds) */
.deduction-section {
  margin-top: 30px;
  padding: 20px;
  border-radius: 8px;
}

.section-personal {
  background-color: #fef9e7;
}

.section-insurance {
  background-color: #e8f8f5;
}

.section-donation {
  background-color: #f9ebea;
}

.section-stimulus {
  background-color: #e8daef;
}

/* Expense Display (Step 2) */
.expense-value {
  color: #28a745;
  font-size: 2em;
  font-weight: bold;
}

/* Result Section (Step 4) */
.step-content#step-4 h2 {
  color: #28a745;
  font-size: 2rem;
  margin-top: 0;
}

.step-content#step-4 p {
  font-size: 1.3rem;
  color: #333333;
}

/* Summary Fields */
#tax_summary {
  margin-top: 20px;
}

/* Remove old large styles for .tax-due-real and .tax-credit-refund 
   and unify them to normal text size/color */
.tax-due-real,
.tax-credit-refund {
  font-size: inherit;
  color: inherit;
  font-weight: 600; /* or 'normal' if you prefer */
}

/* If you previously had .tax-due-real { font-size: 1.5em; color: red; }, etc., 
   remove or comment them out to avoid conflict */

/* Additional Buttons for printing or saving */
.additional-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  flex-wrap: wrap;
}

.print-button, .save-image-button {
  flex: 1 1 45%;
  padding: 12px;
  margin: 5px;
  border: none;
  border-radius: 50px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s;
  font-family: 'Kanit', sans-serif;
}

.print-button {
  background-color: #6c757d;
  color: #ffffff;
}

.print-button:hover {
  background-color: #5a6268;
  transform: scale(1.05);
}

.save-image-button {
  background-color: #28a745;
  color: #ffffff;
}

.save-image-button:hover {
  background-color: #218838;
  transform: scale(1.05);
}

/* Feedback Button */
.feedback-button {
  margin-top: 20px;
  padding: 15px;
  background-color: #17a2b8; 
  color: #ffffff;
  border: none;
  border-radius: 50px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s;
  font-family: 'Kanit', sans-serif;
  width: 100%;
}

.feedback-button:hover {
  background-color: #138496;
  transform: scale(1.05);
}

/* For sub-sections (indented input groups) */
.sub-section {
  margin-left: 40px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 100px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.5);
}

.modal-content {
  background-color: #fefefe;
  margin: auto;
  padding: 30px;
  border: 1px solid #888;
  width: 80%;
  max-width: 500px;
  border-radius: 8px;
  text-align: center;
}

.modal-content h2 {
  margin-top: 0;
}

.modal-content ul {
  text-align: left;
  padding-left: 20px;
}

.modal-content button {
  width: auto;
  padding: 10px 20px;
  font-size: 1.2rem;
  margin-top: 20px;
  border-radius: 50px;
}

/* Recommended Investments Box */
#recommended-investments {
  margin-top: 30px;
  padding: 20px;
  background-color: #f0f8ff;
  border-radius: 8px;
}

#recommended-investments h3 {
  font-size: 1.3rem; /* Reduced from 1.5rem */
}

#recommended-investments p {
  font-size: 1.1rem !important;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Limit Labels for real-time sub-limit display */
.input-with-limit {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 8px;
}

.limit-label {
  margin-left: 8px;
  color: #888;
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 20px;
    margin: 20px auto;
  }

  .container h1 {
    font-size: 2rem;
  }

  button {
    font-size: 1.5rem;
  }

  label {
    font-size: 1rem;
  }

  input[type="text"], select {
    font-size: 1rem;
  }

  .checkbox-group {
    font-size: 1rem;
  }

  .info {
    font-size: 0.9rem;
  }

  .stepper-step-label {
    font-size: 0.8rem;
  }

  .print-button, .save-image-button {
    flex: 1 1 100%;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 15px;
  }

  .container h1 {
    font-size: 1.8rem;
  }

  button {
    font-size: 1.3rem;
  }
}

/* Print Styles */
@media print {
  body * {
    visibility: hidden;
  }
  #step-4, #step-4 * {
    visibility: visible;
  }
  #step-4 {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
  .additional-buttons,
  .navigation-buttons,
  .feedback-button {
    display: none;
  }
}

#printable-area {
  padding-left: 20px;
  padding-right: 20px;
}

/* Floating Reset Buttons */
.float-reset {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: #007bff;
  color: white;
  padding: 10px 15px;
  border-radius: 25px;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Floating Scroll Arrow Button */
.scroll-arrow {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: rgba(0,123,255,0.8);
  color: white;
  padding: 10px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 1000;
  font-size: 20px;
  display: none; /* Will be toggled via JS */
}

/* Narrow receipt container */
.receipt-container {
  max-width: 400px;
  margin: 0 auto;   /* center horizontally */
  background-color: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

/* Each row: label on left, value on right */
.receipt-row {
  display: flex;
  justify-content: space-between;
  margin: 6px 0; /* slight vertical gap */
}

.receipt-label {
  text-align: left;
  font-weight: 600;
  color: #333;
  flex: 1;
}

.receipt-value {
  text-align: right;
  flex: 1;
  color: #333;
  font-weight: 600;
}

/* So that “ภาษีที่ต้องชำระจริง” or “จำนวนเงินที่คุณต้องขอเครดิตคืน” lines remain aligned */
.tax-due-real,
.tax-credit-refund {
  margin: 0;
}

/* Add somewhere in styles.css */
.inline-checkbox {
  display: flex;
  align-items: center; 
  margin-top: 10px;     /* or your preferred spacing */
}
.inline-checkbox input[type="checkbox"] {
  margin-right: 8px;    /* spacing between checkbox and label */
}

.new-badge {
  background-color: #ffeb3b;
  color: #d32f2f;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: bold;
  margin-left: 5px;
}

.investment-button {
  margin-top: 20px;
  padding: 15px;
  background-color: #fd7e14;  /* New color: orange */
  color: #ffffff;
  border: none;
  border-radius: 50px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s;
  font-family: 'Kanit', sans-serif;
  width: 100%;
}

.investment-button:hover {
  background-color: #e76c00;
  transform: scale(1.05);
}