/* ========================================
   헤더 스타일
   모듈: 02_헤더
   버전: 1.0.0
   ======================================== */

/* 헤더 기본 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--spacing-xl);
}

/* 로고 */
.header-logo a {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.header-logo a:hover {
    color: var(--color-accent);
}

/* 메인 네비게이션 */
.header-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-menu li a {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav-menu li a:hover::after {
    width: 100%;
}

.nav-menu li a:hover {
    color: var(--color-primary);
}

/* 유저 액션 (로그인, 장바구니) */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.action-login,
.action-cart {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.action-login:hover,
.action-cart:hover {
    color: var(--color-accent);
}

.action-login svg,
.action-cart svg {
    flex-shrink: 0;
}

.action-cart {
    position: relative;
}

.cart-count {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-white);
    background-color: var(--color-accent);
    border-radius: 9px;
}

/* 모바일 메뉴 토글 버튼 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 모바일 메뉴 */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    overflow-y: auto;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav li a {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 500;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.mobile-actions a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.mobile-actions a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* 헤더 아래 공간 확보 */
body {
    padding-top: var(--header-height);
}

/* ========================================
   반응형 - 태블릿
   ======================================== */
@media (max-width: 1024px) {
    .nav-menu {
        gap: var(--spacing-lg);
    }
}

/* ========================================
   반응형 - 모바일
   ======================================== */
@media (max-width: 768px) {
    .site-header {
        height: 60px;
    }

    body {
        padding-top: 60px;
    }

    .mobile-menu {
        top: 60px;
    }

    .header-nav {
        display: none;
    }

    /* 모바일에서 로그인/장바구니 숨김 (메뉴 안에서만 표시) */
    .header-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-logo a {
        font-size: var(--font-size-lg);
    }
}