/* ═══════════════════════════════════════════════════════════════
   공통 네비게이션 CSS — 모든 페이지에서 동일한 nav 스타일 적용
   index.html 기준 (서브페이지: .nav-solid 클래스 추가 시 흰 배경)
   ═══════════════════════════════════════════════════════════════ */

:root {
  --nav-white: #fafafa;
  --nav-cream: #f8f7f4;
  --nav-warm: #ebe8e2;
  --nav-gray: #8b8680;
  --nav-charcoal: #2d2a26;
  --nav-gold: #b8956c;
}

/* ── Base Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.5s;
}

/* 서브페이지: 기본 흰 배경 (index.html은 이 클래스 없음 — 투명) */
.nav.nav-solid {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* index.html 스크롤 시 */
.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  transition: color 0.5s;
}
.nav.nav-solid .nav-logo,
.nav.scrolled .nav-logo {
  color: var(--nav-charcoal);
}
.nav-logo svg {
  width: 32px;
  height: 32px;
}
.nav-logo span {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
}

/* ── Menu Links ── */
.nav-menu {
  display: flex;
  gap: 4px;
}
.nav-menu a {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.5px;
  transition: all 0.3s;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 20px;
}
.nav.nav-solid .nav-menu a,
.nav.scrolled .nav-menu a {
  color: var(--nav-charcoal);
}
.nav-menu a:hover {
  background: rgba(255, 255, 255, 0.15);
}
.nav.nav-solid .nav-menu a:hover,
.nav.scrolled .nav-menu a:hover {
  background: var(--nav-cream);
}
.nav-menu a.active {
  color: var(--nav-gold);
  font-weight: 500;
  background: rgba(184, 149, 108, 0.12);
}
.nav.nav-solid .nav-menu a.active,
.nav.scrolled .nav-menu a.active {
  background: rgba(184, 149, 108, 0.12);
}

/* ── Right Icons ── */
.nav-icons {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #fff;
  transition: color 0.5s;
}
.nav.nav-solid .nav-icons,
.nav.scrolled .nav-icons {
  color: var(--nav-charcoal);
}
.nav-icons button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 4px;
}

/* ── User Menu ── */
.user-menu {
  position: relative;
}
.user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: inherit;
  cursor: pointer;
  transition: all 0.3s;
}
.nav.nav-solid .user-btn,
.nav.scrolled .user-btn {
  background: var(--nav-cream);
}
.user-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}
.nav.nav-solid .user-btn:hover,
.nav.scrolled .user-btn:hover {
  background: var(--nav-warm);
}
.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--nav-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}
.user-name {
  font-size: 13px;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── User Dropdown ── */
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s;
  z-index: 200;
}
.user-menu:hover .user-dropdown,
.user-dropdown:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.user-dropdown a,
.user-dropdown button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--nav-charcoal);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  text-align: left;
  text-decoration: none;
}
.user-dropdown a:hover,
.user-dropdown button:hover {
  background: var(--nav-cream);
}
.user-dropdown a:first-child {
  border-radius: 12px 12px 0 0;
}
.user-dropdown button:last-child {
  border-radius: 0 0 12px 12px;
  border-top: 1px solid var(--nav-warm);
  color: var(--nav-gray);
}
.user-dropdown svg {
  width: 18px;
  height: 18px;
  color: var(--nav-gray);
}

/* ── Login Button ── */
.login-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-size: 13px;
  transition: all 0.3s;
  text-decoration: none;
}
.login-btn:hover {
  background: var(--nav-gold);
  border-color: var(--nav-gold);
  color: #fff;
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 101;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}
.nav.nav-solid .hamburger span,
.nav.scrolled .hamburger span {
  background: var(--nav-charcoal);
}
.hamburger.active span {
  background: var(--nav-charcoal);
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Mobile Menu ── */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--nav-white);
  z-index: 99;
  padding: 100px 24px 24px;
  display: none;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}
.mobile-menu.active {
  display: flex;
}
.mobile-menu a {
  padding: 18px 20px;
  font-size: 18px;
  border-radius: 12px;
  transition: background 0.3s;
  color: var(--nav-charcoal);
  text-decoration: none;
}
.mobile-menu a:hover,
.mobile-menu a:active {
  background: var(--nav-cream);
  color: var(--nav-gold);
}
.mobile-menu a.active {
  background: rgba(184, 149, 108, 0.12);
  color: var(--nav-gold);
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET (1024px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .nav {
    padding: 0 32px;
    height: 72px;
  }
  .nav-menu {
    gap: 2px;
  }
  .nav-menu a {
    font-size: 13px;
    padding: 5px 10px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE (768px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .nav {
    padding: 0 16px;
    height: 64px;
  }
  .nav-logo svg {
    width: 28px;
    height: 28px;
  }
  .nav-logo span {
    font-size: 20px;
  }
  .nav-menu {
    display: none;
  }
  .nav-icons > button:not(.hamburger) {
    display: none;
  }
  .hamburger {
    display: flex;
  }
}