body {
  font-family: 'Roboto', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #f6f8fa;
  margin: 0;
  -webkit-overflow-scrolling: touch;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* 뒤로가기 버튼 스타일 */
.back-button {
  position: fixed;
  top: 1rem;
  left: 1rem;
  padding: 0.6rem 1.2rem;
  background: #fff;
  color: #0078d4;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: all 0.2s;
  z-index: 1000;
}

.back-button:hover {
  background: #0078d4;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,120,212,0.3);
}

@media (max-width: 900px) {
  .back-button {
    top: 0.5rem;
    left: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .back-button {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
}

/* 사업소득/기타소득/근로소득(Full) 페이지 전용 스타일 */
body.calc-page {
  height: auto;
  overflow-y: auto;
  padding: 1rem 0;
  overflow-x: hidden;
}

@media (max-width: 900px) {
  body.calc-page {
    padding: 0.5rem 0;
  }
}

.main-menu {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  padding: 2.5rem 2.5rem 2rem 2.5rem;
  min-width: 320px;
  text-align: center;
}

.main-menu h1 {
  font-size: 1.7rem;
  margin-bottom: 2.2rem;
  color: #222;
}

.main-menu-btn {
  width: 100%;
  padding: 1.1rem;
  margin-bottom: 1.2rem;
  font-size: 1.15rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  background: linear-gradient(90deg, #0078d4 0%, #005fa3 100%);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}

.main-menu-btn:last-child {
  margin-bottom: 0;
}

.main-menu-btn:hover {
  background: linear-gradient(90deg, #005fa3 0%, #0078d4 100%);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.container {
  background: #fff;
  padding: 2.5rem 2rem 2rem 2rem;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  min-width: 340px;
  max-width: 95vw;
  box-sizing: border-box;
  animation: fadeIn 0.6s ease-out;
}

/* calc-page 컨테이너 스타일 */
.calc-page .container {
  min-width: 280px;
  max-width: 450px;
  width: 100%;
  flex: 1;
}

.flex-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (max-width: 900px) {
  .flex-row {
    flex-direction: column;
    gap: 1rem;
    padding: 0 0.5rem;
  }
  
  .calc-page .container {
    min-width: 0;
    max-width: 100%;
    width: 100%;
    padding: 2rem 1.5rem 1.5rem 1.5rem;
  }
}

@media (max-width: 480px) {
  body.calc-page {
    padding: 0.25rem 0;
  }
  .flex-row {
    padding: 0 0.5rem;
  }
  .calc-page .container {
    padding: 1.5rem 1rem 1rem 1rem;
  }
}
h2 {
  margin-top: 0;
  font-weight: 700;
  color: #222;
  letter-spacing: -1px;
}
label {
  font-weight: 500;
  color: #444;
  display: block;
  margin-bottom: 0.5rem;
}
input[type="number"], input[type="text"] {
  width: 100%;
  padding: 0.7rem;
  margin-bottom: 1.2rem;
  box-sizing: border-box;
  background: #f9fafb;
  transition: border 0.2s;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  font-family: 'Roboto', sans-serif;
  font-size: 1rem;
  font-weight: 400;
}
input[type="number"]:focus, input[type="text"]:focus {
  border: 1.5px solid #0078d4;
  outline: none;
}
button {
  width: 100%;
  padding: 0.8rem;
  background: linear-gradient(90deg, #0078d4 0%, #005fa3 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 1.5rem;
  transition: background 0.2s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
button:hover {
  background: linear-gradient(90deg, #005fa3 0%, #0078d4 100%);
}
.copy-btn {
  width: 100%;
  padding: 0.7rem;
  background: linear-gradient(90deg, #28a745 0%, #218838 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.8rem;
  transition: all 0.3s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.copy-btn:hover {
  background: linear-gradient(90deg, #218838 0%, #28a745 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}
.copy-btn:active {
  transform: translateY(0);
}
.result {
  background: #f3f6fa;
  border-radius: 8px;
  padding: 1.2rem 1rem;
  margin-top: 1rem;
  font-size: 1.08rem;
  color: #222;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.result span {
  display: block;
  margin-bottom: 0.5rem;
}
.result strong {
  color: #0078d4;
  font-size: 1.13rem;
}

/* gun-ro.php specific styles */
* {
  box-sizing: border-box;
}

body.gun-ro-page {
  min-height: 100vh;
  height: auto;
  overflow-y: auto;
  padding: 1rem 0;
  overflow-x: hidden;
}

.flex-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

.gun-ro-page .container {
  min-width: 280px;
  max-width: 520px;
  width: 100%;
  animation: fadeIn 0.6s ease-out;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.result-table td {
  padding: 0.5rem 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.result-table td:first-child {
  text-align: left;
  width: 55%;
}

.result-table td:last-child {
  text-align: right;
  width: 45%;
}

.result-table .indent {
  padding-left: 1.5rem;
}

.result-table strong {
  font-size: inherit;
}

@media (max-width: 900px) {
  body.gun-ro-page {
    padding: 0.5rem 0;
  }
  .flex-row {
    flex-direction: column;
    gap: 1rem;
    padding: 0 0.5rem;
  }
  .gun-ro-page .container {
    min-width: 0;
    max-width: 100%;
    width: 100%;
    padding: 2rem 1.5rem 1.5rem 1.5rem;
  }
  .result-table td {
    padding: 0.4rem 0;
    font-size: 0.95rem;
  }
  .result-table .indent {
    padding-left: 1rem;
  }
}

@media (max-width: 480px) {
  body.gun-ro-page {
    padding: 0.25rem 0;
  }
  .flex-row {
    padding: 0 0.5rem;
  }
  .gun-ro-page .container {
    padding: 1.5rem 0.8rem 1rem 0.8rem;
  }
  .result-table td {
    padding: 0.3rem 0;
    font-size: 0.8rem;
    line-height: 1.3;
  }
  .result-table td:first-child {
    width: 58%;
  }
  .result-table td:last-child {
    width: 42%;
  }
  .result-table .indent {
    padding-left: 0.4rem;
  }
}

button.gun-ro-button {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

input.gun-ro-input {
  font-size: 16px !important;
}