/* =========================================
   Subpage Common Styles
   서브페이지 공통 스타일 (네비게이션 바 등)
   ========================================= */

:root {
    --font-color-base: #000;
    --font-color-heading: #000;
    --font-color-primary: #000;
    --font-color-secondary: #ef441f;
    --font-color-warn: #ec2a1d;
    --font-color-success: #0985df;
    --nav-height: 56px;
}

/* =========================================
   Navigation Bar
   ========================================= */
.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    padding: 0 16px;
    background: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-back {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-size: 20px;
}

.nav-back img {
    width: 24px;
    height: 24px;
}

.nav-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--font-color-heading);
    margin: 0;
    flex: 1;
    text-align: center;
}

.nav-menu {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-menu.hamburger {
    width: 24px;
    height: 18px;
}

.nav-menu img {
    width: 24px;
    height: 24px;
}

.nav-menu.hamburger img {
    width: 100%;
    height: 100%;
}

/* =========================================
   Subpage Content
   ========================================= */
.subpage-content {
    min-height: calc(100vh - var(--nav-height));
    /* padding-top: var(--nav-height); */
}

/* Hide iframe scrollbar but allow scrolling */
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

.hide-scrollbar {
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
}

/* About Content */
.about-content {
    width: 100%;
    margin-bottom: 40px;
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
}

/* =========================================
   Dark Navigation Bar (for black backgrounds)
   ========================================= */
.nav-bar.dark {
    background: #000;
    border-bottom: 1px solid #333;
}

.nav-bar.dark .nav-title {
    color: #fff;
}

.nav-bar.dark .nav-back img,
.nav-bar.dark .nav-menu img {
    filter: brightness(0) invert(1);
}