@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap');

:root {
  --mint-50: #EFF7F4;
  --mint-100: #D9EDE4;
  --mint-200: #BEDFD0;
  --mint-300: #9CC9B6;
  --mint-400: #7DB39B;
  --mint-500: #5F9A81;

  --blue-50: #EEF5FA;
  --blue-100: #D6E8F3;
  --blue-200: #B4D3E8;
  --blue-300: #8BB8D6;
  --blue-400: #5E99BF;
  --blue-500: #3D7BA3;

  --grad-mint-blue: linear-gradient(135deg, #D9EDE4 0%, #D6E8F3 100%);
  --grad-mint-deep: linear-gradient(135deg, #BEDFD0 0%, #B4D3E8 50%, #8BB8D6 100%);
  --grad-morning: linear-gradient(180deg, #EFF7F4 0%, #D6E8F3 60%, #B4D3E8 100%);
  --grad-cta: linear-gradient(135deg, #7DB39B 0%, #5E99BF 100%);

  --ink-900: #1A2940;
  --ink-700: #2D4256;
  --ink-500: #5A7080;
  --ink-300: #A0B3C0;

  --surface-0: #FBFDFD;
  --surface-50: #F3F8F9;
  --surface-100: #E8F0F2;


  --night-blue: #0E1B2B;
  --night-ink: #1B2B3D;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--grad-morning);
  min-height: 100vh;
  background-attachment: fixed;
  color: var(--ink-900);
  font-family: 'Gowun Dodum', sans-serif;
  font-size: 18px;
  line-height: 1.65;
  overflow-x: hidden;
}

h1 { font-size: clamp(2.5rem, 6vw, 3.75rem); line-height: 1.2; }
h2 { font-size: clamp(2rem, 5vw, 2.75rem); line-height: 1.25; }
h3 { font-size: clamp(1.5rem, 4vw, 2rem); line-height: 1.3; }
p, li { font-size: 1.125rem; }
button, .btn, .btn-primary, .btn-secondary { font-size: 1.125rem; }

/* 카드: 글래스모피즘 */
.card {
  background: rgba(251, 253, 253, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(190, 223, 208, 0.4);
  border-radius: 16px;
  padding: 24px;
}

/* CTA 버튼 */
.btn-primary {
  background: var(--grad-cta);
  color: var(--surface-0);
  border: none;
  border-radius: 12px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: filter 0.2s, transform 0.1s;
  width: 100%;
  display: block;
  text-align: center;
  text-decoration: none;
}
.btn-primary:hover {
  filter: brightness(0.9);
}
.btn-primary:active {
  transform: scale(0.98);
}

/* 내비게이션 */
.nav {
  background: rgba(239, 247, 244, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--mint-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-900);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: var(--ink-700);
  text-decoration: none;
  font-size: 14px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* Hero 섹션 */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.4;
  margin-bottom: 20px;
}

.hero-en {
  font-size: 18px;
  color: var(--ink-700);
  font-style: italic;
  margin-bottom: 12px;
}

.hero-sub {
  font-size: 15px;
  color: var(--ink-500);
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero-cta {
  display: inline-block;
  max-width: 320px;
  text-decoration: none;
}

/* Features */
.features {
  padding: 40px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 18px;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--ink-500);
  line-height: 1.6;
}

/* Generate */
.generate-main {
  padding: 40px 0 80px;
}

.step-section {
  display: none;
}

.step-section.active {
  display: block;
}

.step-header {
  margin-bottom: 32px;
}

.step-badge {
  font-size: 12px;
  color: var(--mint-500);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.step-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.step-sub {
  font-size: 15px;
  color: var(--ink-500);
}

/* 국가 표시 */
.country-display {
  text-align: center;
  padding: 32px;
  margin-bottom: 16px;
}

.country-flag-big {
  font-size: 120px;
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}

.country-name {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-900);
}

.country-name span {
  font-size: 15px;
  color: var(--ink-500);
  font-weight: 400;
  margin-left: 8px;
}

/* 버튼 변형 */
.btn-secondary {
  background: transparent;
  border: 2px solid var(--mint-400);
  color: var(--mint-500);
  border-radius: 12px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  width: 100%;
  margin-bottom: 12px;
  display: block;
  text-align: center;
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--ink-500);
  padding: 12px;
  font-size: 15px;
  cursor: pointer;
  min-height: 44px;
}

.country-change-btn {
  width: 100%;
  max-width: 320px;
  display: block;
  margin: 0 auto 16px;
}

/* 시대 그리드 */
.era-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.era-btn {
  background: rgba(251, 253, 253, 0.85);
  border: 2px solid var(--mint-200);
  border-radius: 12px;
  padding: 16px 12px;
  cursor: pointer;
  text-align: center;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: border-color 0.2s, background 0.2s;
}

.era-btn.selected {
  border-color: var(--blue-400);
  background: rgba(94, 153, 191, 0.1);
}

.era-icon { font-size: 24px; }
.era-name { font-size: 14px; font-weight: 600; color: var(--ink-900); }
.era-range { font-size: 11px; color: var(--ink-500); }

/* 폼 */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 8px;
}

.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--mint-200);
  border-radius: 12px;
  font-size: 15px;
  color: var(--ink-900);
  background: var(--surface-0);
  min-height: 44px;
  font-family: 'Gowun Dodum', sans-serif;
}

.age-slider-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.age-slider {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 2px;
  background: var(--mint-200);
  cursor: pointer;
}

.age-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--mint-400);
  cursor: pointer;
}

.age-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--mint-400);
  cursor: pointer;
  border: none;
}

.age-display {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  min-width: 60px;
  text-align: right;
}

.personality-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 8px 16px;
  border: 2px solid var(--mint-200);
  border-radius: 20px;
  font-size: 14px;
  color: var(--ink-700);
  background: var(--surface-0);
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-family: 'Gowun Dodum', sans-serif;
  transition: border-color 0.2s, background 0.2s;
}

.chip.selected {
  border-color: var(--blue-400);
  background: rgba(94, 153, 191, 0.15);
  color: var(--blue-500);
}

/* Step 네비 */
.step-nav {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.step-nav .btn-primary {
  flex: 1;
}

/* Summary */
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--ink-300);
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-label {
  font-size: 14px;
  color: var(--ink-500);
}

.summary-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}

/* 모달 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 41, 64, 0.5);
  z-index: 200;
  display: none;
  align-items: flex-end;
}

.modal-overlay.active {
  display: flex;
}

.modal-sheet {
  background: var(--surface-50);
  border-radius: 20px 20px 0 0;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 12px;
  border-bottom: 1px solid var(--mint-200);
  flex-shrink: 0;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--ink-500);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-search {
  padding: 12px 20px;
  flex-shrink: 0;
}

.modal-search input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--mint-200);
  border-radius: 12px;
  font-size: 15px;
  color: var(--ink-900);
  background: var(--surface-0);
  min-height: 44px;
  font-family: 'Gowun Dodum', sans-serif;
}

.modal-search input:focus {
  outline: none;
  border-color: var(--blue-300);
}

.country-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 12px 20px;
  -webkit-overflow-scrolling: touch;
}

.continent-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-500);
  letter-spacing: 0.08em;
  padding: 16px 8px 6px;
  text-transform: uppercase;
}

.country-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  min-height: 52px;
  font-family: 'Gowun Dodum', sans-serif;
  transition: background 0.15s;
}

.country-item:hover, .country-item.selected {
  background: rgba(190, 223, 208, 0.3);
}

.country-item-flag {
  font-size: 28px;
  width: 40px;
  text-align: center;
  flex-shrink: 0;
}

.country-item-flag img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.country-item-name {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.name-ko {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-900);
}

.name-en {
  font-size: 12px;
  color: var(--ink-500);
}

.check {
  color: var(--mint-500);
  font-weight: 700;
}

/* Characters 갤러리 */
.gallery-main {
  padding: 40px 0 80px;
}

.gallery-header {
  text-align: center;
  margin-bottom: 32px;
}

.gallery-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.gallery-header p {
  color: var(--ink-500);
  font-size: 15px;
}

.characters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.character-card {
  border-radius: 16px;
  padding: 20px 16px;
  cursor: pointer;
  transition: transform 0.2s;
  text-decoration: none;
  display: block;
}

.character-card:hover {
  transform: translateY(-2px);
}

.char-flag {
  font-size: 32px;
  margin-bottom: 10px;
}

.char-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 4px;
}

.char-desc {
  font-size: 12px;
  color: var(--ink-500);
  line-height: 1.5;
}

.char-era {
  font-size: 11px;
  color: var(--ink-300);
  margin-top: 8px;
}

/* 카드 색상 변형 (쿨톤) */
.card-mint { background: rgba(217, 237, 228, 0.7); border: 1px solid rgba(156, 201, 182, 0.4); }
.card-blue { background: rgba(214, 232, 243, 0.7); border: 1px solid rgba(139, 184, 214, 0.4); }
.card-teal { background: rgba(190, 223, 208, 0.6); border: 1px solid rgba(125, 179, 155, 0.4); }
.card-sky  { background: rgba(238, 245, 250, 0.9); border: 1px solid rgba(94, 153, 191, 0.3); }

/* Gallery 미리보기 섹션 */
.gallery-preview {
  padding: 40px 0;
  text-align: center;
}

.gallery-preview h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 20px;
}

/* 컨테이너 */
.container {
  padding: 0 20px;
}

/* person-form */
.person-form {
  margin-bottom: 8px;
}

@media (min-width: 390px) and (max-width: 767px) {
  .hero-title {
    font-size: 30px;
  }
}

@media (min-width: 414px) and (max-width: 767px) {
  .hero-title {
    font-size: 32px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .characters-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .modal-sheet {
    max-width: 480px;
    margin: 0 auto;
    border-radius: 20px;
    max-height: 75vh;
    align-self: center;
  }

  .modal-overlay {
    align-items: center;
    justify-content: center;
  }
  .hero-title { font-size: 3.5rem; }
}

/* ===== 폰트 단일화: Gowun Dodum ===== */
body, h1, h2, h3, h4, h5, h6, p, span, div, a, button, input, select,
textarea, label, nav, header, footer, main, section, article, aside,
li, ul, ol, td, th, .btn-primary, .btn-secondary, .nav-logo,
.nav-links a, .step-title, .step-badge, .form-label, .form-select,
.chip, .era-name, .era-range, .summary-key, .summary-val,
.country-name-display, .country-name-en, .continent-label,
.name-ko, .name-en, .filter-chip, .char-name, .char-desc, .char-meta,
.badge, .modal-close, .modal-search input {
  font-family: 'Gowun Dodum', sans-serif !important;
}

/* ===== 모바일 최적화 추가 ===== */
@media (max-width: 767px) {
  /* 가로 스크롤 완전 차단 */
  html, body { overflow-x: hidden; max-width: 100vw; }

  /* 네비: 로고만 표시 */
  .nav { padding: 12px 16px; }
  .nav-links { display: none; }

  /* 히어로 세로 스택 */
  .hero { padding: 32px 0 24px; }
  .hero-title { font-size: 28px; line-height: 1.35; }
  .hero-en { font-size: 15px; }
  .hero-sub { font-size: 15px; }
  .hero-cta { width: 100%; max-width: 100%; display: block; }

  /* 카드 그리드: 1열 */
  .feature-grid,
  .characters-grid { grid-template-columns: 1fr; gap: 12px; }

  /* 버튼 full-width, 터치 44px+ */
  .btn-primary, .btn-secondary, .btn-ghost {
    width: 100%;
    min-height: 48px;
    font-size: 17px;
    padding: 14px 20px;
  }

  /* 컨테이너 여백 */
  .container { padding: 0 16px; }

  /* 카드 패딩 */
  .card { padding: 16px; }

  /* 인풋/셀렉트 */
  input, select, textarea { font-size: 16px; min-height: 48px; }

  /* 터치 타겟: 모든 링크·버튼 */
  a, button { min-height: 44px; display: inline-flex; align-items: center; }
  nav a, .nav-links a { min-height: 44px; padding: 8px 12px; }

  /* 이미지 */
  img { max-width: 100%; height: auto; }

  /* 국기 이모지 */
  .country-flag-big { font-size: 80px; }

  /* safe-area for bottom CTA */
  .sticky-cta { padding-bottom: env(safe-area-inset-bottom); }

  /* 호버 비활성 (터치 기기) */
  @media (hover: none) {
    .btn-primary:hover { filter: none; transform: none; }
    .character-card:hover { transform: none; }
  }
}

/* 375px (iPhone SE) */
@media (max-width: 375px) {
  .hero-title { font-size: 26px; }
  .container { padding: 0 14px; }
  .era-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
}


/* ===== 폰트 크기 스케일 업 (Gowun Dodum 가독성 최적화) ===== */
.hero-title        { font-size: clamp(2.5rem, 6vw, 3.75rem) !important; line-height: 1.25 !important; }
.hero-en           { font-size: 1.2rem !important; }
.hero-sub          { font-size: 1.05rem !important; }
.section-title     { font-size: clamp(1.75rem, 4vw, 2.5rem) !important; }
.step-title        { font-size: clamp(1.75rem, 4vw, 2.25rem) !important; }
.step-sub          { font-size: 1.05rem !important; }
.step-badge        { font-size: 0.8rem !important; }
.country-name-display { font-size: 1.5rem !important; }
.era-name          { font-size: 1rem !important; }
.era-range         { font-size: 0.75rem !important; }
.form-label        { font-size: 0.9rem !important; }
.form-select       { font-size: 1rem !important; }
.age-val           { font-size: 1.1rem !important; }
.chip              { font-size: 0.95rem !important; }
.summary-key       { font-size: 0.85rem !important; }
.summary-val       { font-size: 1.25rem !important; }
.char-name         { font-size: 1.1rem !important; }
.char-desc         { font-size: 0.95rem !important; }
.char-meta         { font-size: 0.8rem !important; }
.name-ko           { font-size: 1.05rem !important; }
.name-en           { font-size: 0.85rem !important; }
.continent-label   { font-size: 0.75rem !important; }
.nav-logo          { font-size: 1.4rem !important; }
.filter-chip       { font-size: 0.9rem !important; }
.badge             { font-size: 0.9rem !important; }
.stat-number       { font-size: clamp(2rem, 5vw, 2.5rem) !important; }

/* 모바일 크기 재조정 */
@media (max-width: 767px) {
  .hero-title   { font-size: clamp(2rem, 8vw, 2.75rem) !important; }
  .step-title   { font-size: 2rem !important; }
  .section-title{ font-size: 1.75rem !important; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}