/* ===== DESIGN TOKENS (Design Kit §4) ===== */
:root {
  /* === 브랜드 컬러 === */
  --brand-gold: #C9956B;
  --brand-gold-light: #FFF8EE;
  --brand-rose: #D4768A;
  --brand-rose-light: #FFF0F3;
  --brand-gradient: linear-gradient(135deg, #C9956B, #D4768A);

  /* === 시맨틱 컬러 === */
  --bg-primary: #FFFBF5;
  --bg-card: #FFFFFF;
  --bg-subtle: #FAF6F0;
  --text-primary: #2D2A26;
  --text-secondary: #6B6560;
  --text-muted: #9E9690;
  --text-disabled: #C8C2BC;
  --border-default: #E8E0D8;
  --border-hover: var(--brand-gold);

  /* === 시즌 테마 (동적 오버라이드) === */
  --season-primary: var(--brand-gold);
  --season-secondary: var(--brand-rose);
  --season-light: var(--brand-gold-light);
  --season-gradient: var(--brand-gradient);
  --season-text-on-gradient: #FFFFFF;

  /* === 레이아웃 === */
  --container-max: 560px;
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50px;

  /* === 타이포 스케일 === */
  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.9375rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 2rem;
  --text-3xl: 2.25rem;

  /* === 그림자 스케일 === */
  --shadow-1: 0 1px 2px rgba(201,149,107,.06), 0 1px 3px rgba(201,149,107,.1);
  --shadow-2: 0 2px 12px rgba(201,149,107,.12);
  --shadow-3: 0 4px 20px rgba(201,149,107,.16);
  --shadow-4: 0 6px 28px rgba(201,149,107,.22);
  --shadow-5: 0 8px 32px rgba(201,149,107,.25);

  /* === 이징 === */
  --ease-out-3: cubic-bezier(.25, .46, .45, .94);
  --ease-out-5: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out-2: cubic-bezier(.45, .05, .55, .95);
  --ease-spring-3: cubic-bezier(.5, 1.25, .75, 1.25);

  /* === 레거시 호환 별칭 === */
  --gold: var(--brand-gold);
  --gold-lt: var(--brand-gold-light);
  --rose: var(--brand-rose);
  --rose-lt: var(--brand-rose-light);
  --bg: var(--bg-primary);
  --white: var(--bg-card);
  --text: var(--text-primary);
  --text-sub: var(--text-secondary);
  --border: var(--border-default);
  --gradient: var(--brand-gradient);
  --radius: var(--radius-md);
  --shadow: var(--shadow-2);
  --shadow-lg: var(--shadow-4);
  --font: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
}

/* ===== RESET & BASE (Design Kit §5) ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* 디스플레이/헤딩 */
h1, h2, .result-season, .intro-title {
  font-family: 'Quicksand', 'Be Vietnam Pro', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* 베트남어 diacritics 여유 */
.result-season,
.intro-title,
.question-text {
  padding-top: 0.15em;
  overflow: visible;
}

.option-btn span {
  word-break: keep-all;
  overflow-wrap: break-word;
}

input, select, textarea {
  font-size: 16px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== SCREEN SYSTEM ===== */
.screen {
  display: none;
  animation: fadeUp .45s var(--ease-out-5) both;
}

.screen.active {
  display: block;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  padding: 32px 20px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-top: 1px solid var(--border-default);
  margin-top: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 8px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--brand-gold);
}

/* ===== ACCESSIBILITY (Design Kit §8-5) ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== RESPONSIVE — BASE ===== */
@media (min-width: 768px) {
  .container {
    max-width: 600px;
  }
}