:root {
  /* 3D Soft Palette - Updated to Requested DISC Colors */
  --bg-color: #f0f4f8;
  --primary: #ff4d4d; /* D - Red */
  --secondary: #ffbe0b; /* I - Yellow */
  --success: #06d6a0; /* S - Green */
  --info: #118ab2; /* C - Blue */
  
  --text-main: #2d3436;
  --text-sub: #636e72;
  --white: #ffffff;
  
  /* Claymorphism Shadow */
  --clay-shadow: 10px 10px 20px #d1d9e6, -10px -10px 20px #ffffff;
  --clay-inset: inset 2px 2px 5px rgba(255,255,255,0.5), inset -2px -2px 5px rgba(0,0,0,0.05);
  --round-lg: 30px;
  --round-md: 20px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Pretendard Variable", Pretendard, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

#app-container {
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  background: var(--bg-color);
  position: relative;
}

disc-app {
  display: block;
  padding: 24px;
}

/* Animations */
.screen {
  animation: softFade 0.5s ease-out;
}

@keyframes softFade {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

/* Typography */
h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.8rem;
  color: var(--text-main);
  line-height: 1.2;
}

.hero-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-sub);
  margin-bottom: 1.5rem;
}

.description-box {
  background: var(--white);
  padding: 20px;
  border-radius: var(--round-md);
  box-shadow: var(--clay-shadow);
  margin-bottom: 2rem;
  font-size: 0.95rem;
  border: 1px solid rgba(255,255,255,0.3);
}

.description-box b {
  color: var(--primary);
  font-weight: 700;
}

/* 3D Clay Buttons */
.btn {
  display: block;
  width: 100%;
  padding: 20px;
  border-radius: var(--round-md);
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-align: center;
  margin-bottom: 16px;
  box-shadow: var(--clay-shadow);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:active {
  transform: scale(0.95);
  box-shadow: inset 4px 4px 8px rgba(0,0,0,0.2);
}

.btn-option {
  background: var(--white);
  color: var(--text-main);
  text-align: left;
  padding: 16px 20px;
  font-weight: 500;
  font-size: 1rem;
  border: 2px solid transparent;
}

.btn-option:active, .btn-option:hover {
  background: var(--white);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Progress Bar */
.progress-container {
  width: 100%;
  height: 12px;
  background: #e0e5ec;
  border-radius: 10px;
  margin-bottom: 2rem;
  box-shadow: inset 2px 2px 5px #b8b9be, inset -3px -3px 7px #ffffff;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 10px;
  transition: width 0.4s ease;
}

/* 3D Characters Layout */
.char-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 2.5rem;
}

.char-item {
  background: var(--white);
  padding: 20px;
  border-radius: var(--round-md);
  box-shadow: var(--clay-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease;
}

.char-item:hover {
  transform: translateY(-5px);
}

.char-item span {
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 8px;
  color: var(--text-sub);
}

.char-svg {
  width: 80px;
  height: 80px;
  filter: drop-shadow(4px 4px 8px rgba(0,0,0,0.1));
}

/* Result Card */
.result-card {
  background: var(--white);
  border-radius: var(--round-lg);
  padding: 32px 24px;
  box-shadow: var(--clay-shadow);
  border: 1px solid rgba(255,255,255,0.5);
}

.result-header {
  text-align: center;
  margin-bottom: 24px;
}

.result-char {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.15));
}

.result-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.result-summary {
  background: #f8faff;
  padding: 16px;
  border-radius: 15px;
  font-weight: 700;
  color: var(--primary);
  box-shadow: var(--clay-inset);
  margin-bottom: 24px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-top: 24px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: "";
  width: 6px; height: 18px;
  background: #ff4d4d; /* D Color as default accent */
  border-radius: 3px;
}

.content-text {
  font-size: 0.95rem;
  color: var(--text-sub);
  margin-top: 8px;
  line-height: 1.6;
}

.tip-box {
  background: #f8f9fa;
  padding: 16px;
  border-radius: 15px;
  border-left: 5px solid var(--primary);
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--text-main);
}

.footer {
  text-align: center;
  font-size: 0.8rem;
  color: #b0b8c1;
  margin-top: 40px;
  font-weight: 500;
}