/* ============================================
   청서(靑曙) 김광배 시인 - 메인 스타일시트
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

/* ── CSS 변수 ── */
:root {
  --crimson: #c0392b;
  --crimson-light: #e74c3c;
  --crimson-dark: #922b21;
  --ink: #1a1a2e;
  --ink-light: #2c2c3e;
  --paper: #fdf8f0;
  --paper-dark: #f5ede0;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --text-main: #2d2416;
  --text-sub: #6b5a4e;
  --text-light: #9e8877;
  --border: rgba(192, 57, 43, 0.2);
  --shadow: rgba(26, 26, 46, 0.12);
  --nav-height: 70px;
  --transition: 0.3s ease;
}

/* ── 리셋 & 기본 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Noto Serif KR', 'Noto Sans KR', serif;
  background: var(--paper);
  color: var(--text-main);
  line-height: 1.8;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── 스크롤바 ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--paper-dark); }
::-webkit-scrollbar-thumb { background: var(--crimson); border-radius: 3px; }

/* ============================================
   네비게이션
   ============================================ */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(253, 248, 240, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--crimson);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  box-shadow: 0 2px 20px var(--shadow);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand .seal-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  transition: transform var(--transition);
}
.nav-brand:hover .seal-img { transform: rotate(-5deg) scale(1.05); }

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-brand-text .title-ko {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.05em;
}
.nav-brand-text .title-sub {
  font-size: 0.68rem;
  color: var(--text-sub);
  letter-spacing: 0.12em;
  font-family: 'Noto Sans KR', sans-serif;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-menu a {
  position: relative;
  padding: 0.5rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-sub);
  border-radius: 4px;
  transition: all var(--transition);
  white-space: nowrap;
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.02em;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--crimson);
  transition: all var(--transition);
  border-radius: 1px;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--crimson);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  left: 0.85rem;
  right: 0.85rem;
}

/* 모바일 햄버거 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--crimson);
  border-radius: 1px;
  transition: all var(--transition);
}

/* ============================================
   페이지 공통 레이아웃
   ============================================ */
.page-wrapper {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── 페이지 헤더 ── */
.page-hero {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-light) 60%, #3d1a1a 100%);
  color: white;
  padding: 4rem 0 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c0392b' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 0.75rem;
}

.page-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.05em;
}

.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.25rem auto 0;
  width: fit-content;
}
.hero-divider::before,
.hero-divider::after {
  content: '';
  display: block;
  width: 60px; height: 1px;
  background: var(--crimson);
  opacity: 0.6;
}
.hero-divider span {
  font-size: 1.2rem;
  color: var(--crimson-light);
}

/* ── 섹션 공통 ── */
.section { padding: 3.5rem 0; }
.section-alt { background: var(--paper-dark); }

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 0.75rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--crimson);
  border-radius: 2px;
}

.section-desc {
  font-size: 0.92rem;
  color: var(--text-sub);
  margin-bottom: 2rem;
  font-family: 'Noto Sans KR', sans-serif;
}

/* ── 카드 ── */
.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 16px var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(192,57,43,0.12);
}

/* ── 시 카드 ── */
.poem-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem 1.75rem;
  position: relative;
  transition: all var(--transition);
}
.poem-card::before {
  content: '詩';
  position: absolute;
  top: 1rem; right: 1.25rem;
  font-size: 3rem;
  color: var(--crimson);
  opacity: 0.06;
  font-weight: 700;
  line-height: 1;
}
.poem-card:hover {
  border-color: var(--crimson);
  box-shadow: 0 4px 20px rgba(192,57,43,0.1);
}

.poem-card .poem-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--crimson);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}
.poem-card .poem-author {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 1.25rem;
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.08em;
}
.poem-card .poem-body {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--text-main);
  white-space: pre-line;
}

/* ── 배지 ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.badge-crimson { background: rgba(192,57,43,0.1); color: var(--crimson); border: 1px solid var(--border); }
.badge-gold    { background: rgba(201,168,76,0.12); color: var(--gold); border: 1px solid rgba(201,168,76,0.3); }
.badge-ink     { background: rgba(26,26,46,0.08); color: var(--ink); border: 1px solid rgba(26,26,46,0.15); }

/* ── 버튼 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--crimson);
  color: #fff;
  border: 2px solid var(--crimson);
}
.btn-primary:hover { background: var(--crimson-dark); border-color: var(--crimson-dark); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--crimson);
  border: 2px solid var(--crimson);
}
.btn-outline:hover { background: var(--crimson); color: #fff; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--crimson); color: var(--crimson); }

/* ── 폼 ── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 0.4rem;
  font-family: 'Noto Sans KR', sans-serif;
}
.form-control {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 0.92rem;
  font-family: 'Noto Serif KR', serif;
  background: #fff;
  color: var(--text-main);
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}
.form-control:focus { border-color: var(--crimson); box-shadow: 0 0 0 3px rgba(192,57,43,0.1); }

/* ── 페이지네이션 ── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.pagination button {
  width: 36px; height: 36px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 500;
  color: var(--text-sub);
  border: 1px solid var(--border);
  background: #fff;
  transition: all var(--transition);
}
.pagination button:hover,
.pagination button.active {
  background: var(--crimson);
  color: #fff;
  border-color: var(--crimson);
}

/* ── 빈 상태 ── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-light);
}
.empty-state i { font-size: 3rem; margin-bottom: 1rem; color: var(--border); }
.empty-state p { font-family: 'Noto Sans KR', sans-serif; font-size: 0.92rem; }

/* ── 로딩 ── */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  gap: 0.5rem;
  color: var(--text-light);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.9rem;
}
.loading-spinner::before {
  content: '';
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--crimson);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 토스트 알림 ── */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.toast {
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 0.88rem;
  font-family: 'Noto Sans KR', sans-serif;
  box-shadow: 0 4px 20px var(--shadow);
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 220px;
}
.toast.success { background: #2d6a4f; }
.toast.error   { background: var(--crimson-dark); }
.toast.info    { background: #1d4e89; }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateX(20px); } }

/* ── 푸터 ── */
#site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0 2rem;
  text-align: center;
}
.footer-seal {
  width: 56px;
  opacity: 0.85;
  margin: 0 auto 1.25rem;
  filter: brightness(1.1);
}
.footer-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.12em;
  margin-bottom: 0.35rem;
}
.footer-subtitle {
  font-size: 0.8rem;
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,0.5);
}
.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin-bottom: 1.5rem;
}
.footer-nav a {
  font-size: 0.82rem;
  font-family: 'Noto Sans KR', sans-serif;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--crimson-light); }
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  font-family: 'Noto Sans KR', sans-serif;
}

/* ── 모달 ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26,26,46,0.6);
  backdrop-filter: blur(4px);
  z-index: 8888;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--paper);
  border-radius: 14px;
  max-width: 620px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(26,26,46,0.3);
  transform: scale(0.96) translateY(10px);
  transition: transform 0.3s ease;
  padding: 2.5rem;
}
.modal-backdrop.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.modal-title { font-size: 1.2rem; font-weight: 700; color: var(--crimson); letter-spacing: 0.05em; }
.modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--paper-dark);
  color: var(--text-sub);
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  cursor: pointer; border: none;
}
.modal-close:hover { background: var(--crimson); color: #fff; }

/* ── 그리드 유틸 ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* ── 텍스트 유틸 ── */
.text-center { text-align: center; }
.text-crimson { color: var(--crimson); }
.text-gold { color: var(--gold); }
.text-sub { color: var(--text-sub); }
.text-light-color { color: var(--text-light); }
.fw-700 { font-weight: 700; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ── 구분선 ── */
.divider {
  display: flex; align-items: center; gap: 1rem;
  margin: 2rem 0;
  color: var(--text-light);
  font-size: 0.8rem;
  font-family: 'Noto Sans KR', sans-serif;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ============================================
   반응형
   ============================================ */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-height: 60px; }

  #site-nav { padding: 0 1rem; }

  .nav-menu {
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: rgba(253,248,240,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 2px solid var(--crimson);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    gap: 0.25rem;
    box-shadow: 0 8px 20px var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-menu a {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.92rem;
  }
  .nav-menu a::after { display: none; }
  .nav-menu a:hover, .nav-menu a.active {
    background: rgba(192,57,43,0.08);
  }

  .nav-toggle { display: flex; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .page-hero { padding: 3rem 0 2rem; }
  .section { padding: 2.5rem 0; }

  .modal { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  #toast-container { bottom: 1rem; right: 1rem; left: 1rem; }
  .toast { min-width: unset; width: 100%; }
}