@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-dynamic-subset.css');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Danchoeng Primary Colors */
    --color-red: #CB3C31;       /* Ju_hong / Vermilion */
    --color-green: #2B8A7E;     /* Noi_nok / Teal */
    --color-yellow: #F0B136;    /* Hwang / Yellow */
    --color-blue: #2E68B2;      /* Chong / Blue */
    
    /* Base Colors */
    --bg-charcoal: #3A3A3A;     /* Meok-saek */
    --bg-slate: #7B848A;        /* Hoesaek */
    --bg-offwhite: #F4F3ED;     /* So-saek */
    
    /* Text */
    --text-dark: #333333;
    --text-muted: #666666;
    
    /* Borders */
    --border-color: #D1CFCD;
}

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

body {
    padding-left: 65px; /* Space for the fixed sidebar */
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    background-color: var(--bg-offwhite);
    color: var(--text-dark);
    line-height: 1.6;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1320px; /* Increased by 20% from 1100px */
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
}

/* ========================================= */
/* Top Utility Bar */
/* ========================================= */
.top-util-bar {
    padding: 10px 0;
}

.util-right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
}

.util-links {
    display: flex;
    align-items: center;
    gap: 15px;
}

.util-links .util-link:not(:last-child)::after {
    content: '|';
    margin-left: 15px;
    color: var(--border-color);
    font-weight: 300;
    font-size: 0.75rem;
    pointer-events: none;
}

.util-link {
    font-family: 'Poppins', 'Pretendard', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.2s;
}

.util-link:hover {
    color: var(--color-red);
}

.util-link i {
    font-size: 0.85rem;
}

.top-search {
    display: flex;
    border: 1px solid var(--border-color);
    background: white;
    height: 28px;
}

.top-search input {
    border: none;
    padding: 0 10px;
    outline: none;
    font-size: 0.8rem;
    width: 120px;
}

.top-search button {
    border: none;
    background: var(--bg-slate);
    color: white;
    padding: 0 10px;
    cursor: pointer;
}

/* ========================================= */
/* Header Navigation */
/* ========================================= */
.main-header {
    border-top: 2px solid var(--text-dark);
    border-bottom: 2px solid var(--text-dark);
    background-color: var(--bg-offwhite);
    position: relative;
    z-index: 990; /* Ensures individual dropdown hover menus show above other page content blocks */
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: flex-end; /* Aligns text block to the bottom of the image */
    gap: 0px; /* Increased gap slightly for better visual separation */
    padding: 20px 0;
}

.logo-icon-img {
    height: 140px; /* Increased height to make the logo larger and more visible */
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo-text h1 {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    font-size: 1.65rem; /* Slightly larger for visibility */
    font-weight: 900; /* Maximum bold for Pretendard */
    letter-spacing: 0.08em; /* Wider spacing between Korean characters */
    line-height: 1.1;
    color: #2C2520; /* Darkened from #6C635B for better contrast and definition */
}

.logo-divider {
    height: 3px; /* Clean 3px thickness */
    background: linear-gradient(to right, 
        #2B8A7E 0%, #2B8A7E 20%, 
        #CB3C31 20%, #CB3C31 40%, 
        #F0B136 40%, #F0B136 60%, 
        #FFFFFF 60%, #FFFFFF 80%, 
        #111111 80%, #111111 100%
    ); /* Segmented traditional Korean Obangsaek colors (Teal, Red, Yellow, White, Black) */
    margin: 6px 0 3px 0; /* Reduced bottom margin to bring the English title closer to the line */
    width: 100%;
}

.logo-text .logo-en {
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 600; /* Slightly bolder for legibility */
    letter-spacing: 0.02em; /* Added slight letter spacing */
    color: #554D46; /* Darkened from #8C837A for better contrast */
    margin-top: 0; /* Reset top margin since logo-divider handles spacing */
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    height: 100%;
}

.nav-item {
    position: relative;
    padding: 25px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.nav-item a {
    font-family: 'Poppins', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
}

.hover-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    opacity: 0;
    transition: opacity 0.3s;
}

.nav-item.active .hover-bar,
.nav-item:hover .hover-bar {
    opacity: 1;
}

.hover-bar.red { background-color: var(--color-red); }
.hover-bar.green { background-color: var(--color-green); }
.hover-bar.yellow { background-color: var(--color-yellow); }
.hover-bar.grey { background-color: var(--bg-slate); }
.hover-bar.black { background-color: var(--bg-charcoal); }
.hover-bar.white { background-color: #ffffff; }
.hover-bar.blue { background-color: var(--color-blue, #2b6cb0); }
.hover-bar.pattern {
    background-image: url('pattern.png');
    background-size: auto 4px;
    background-repeat: repeat-x;
    background-position: center center;
    background-color: var(--color-green);
}

.sub-text {
    position: absolute;
    bottom: -10px; /* Brought closer to Korean menu text */
    font-size: 0.75rem; /* Increased readability */
    color: var(--bg-slate);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s;
    white-space: nowrap;
}

.nav-item.active .sub-text,
.nav-item:hover .sub-text {
    opacity: 1;
}

/* ========================================= */
/* Dropdown Menu Styles */
/* ========================================= */
.main-nav .dropdown-menu {
    position: absolute;
    top: 90%; /* Position below nav item text */
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    background-color: white;
    box-shadow: 0 15px 40px rgba(0,0,0,0.18);
    border: 2px solid var(--text-dark);
    border-radius: 6px;
    padding: 5px 8px; /* Compact padding for horizontal layout */
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 1000;
    display: flex;
    flex-direction: row; /* Horizontal layout */
    align-items: center;
    white-space: nowrap;
    gap: 0; /* Overrides the main-nav ul gap of 30px to make spacing uniform */
    height: auto; /* Overrides the main-nav ul height of 100% */
}

/* Invisible bridge to keep hover state active when moving cursor between nav item and dropdown */
.dropdown-menu::after {
    content: "";
    position: absolute;
    top: -25px;
    left: 0;
    width: 100%;
    height: 25px;
    background: transparent;
    z-index: -1;
}

.dropdown-menu::before {
    content: "";
    position: absolute;
    top: -7px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background-color: white;
    border-left: 2px solid var(--text-dark);
    border-top: 2px solid var(--text-dark);
}

.dropdown-menu li {
    list-style: none;
    display: flex;
    align-items: center;
    padding: 0 !important;
}

.dropdown-menu li:not(:last-child)::after {
    content: "";
    display: inline-block;
    width: 1px;
    height: 12px;
    background-color: var(--border-color);
    opacity: 0.8;
}

.dropdown-menu li a {
    display: block;
    padding: 3px 10px; /* Spacing halved for compact horizontal layout */
    border-radius: 4px;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    font-size: 0.9rem; /* Slightly smaller for better fit in horizontal layout */
    font-weight: 600;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.2s;
    text-align: center;
    white-space: nowrap;
}

.dropdown-menu li a:hover {
    background-color: rgba(43, 138, 126, 0.08);
    color: var(--color-green);
}

.main-nav .nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ========================================= */
/* Content Area */
/* ========================================= */
.content-area {
    padding: 40px 0; /* Reduced from 60px 0 to 2/3 */
    min-height: 800px;
}

/* Background subtle pattern replacing grid - Jeongganbo (Traditional Notation) */
.content-area {
    position: relative;
    z-index: 1;
}

.content-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Jeongganbo-style Rectangular Grid */
    background-image: 
        linear-gradient(var(--text-dark) 1px, transparent 1px),
        linear-gradient(90deg, var(--text-dark) 1px, transparent 1px),
        linear-gradient(var(--text-dark) 1px, transparent 1px),
        linear-gradient(90deg, var(--text-dark) 1px, transparent 1px);
    /* Create distinctive vertical columns with horizontal subdivisions */
    background-size: 80px 120px, 80px 120px, 20px 30px, 20px 30px;
    background-position: -1px -1px, -1px -1px, -1px -1px, -1px -1px;
    opacity: 0.04; /* Very faint traditional pattern */
    z-index: -1;
    pointer-events: none;
}

/* CURRENT ISSUE Section */
.current-issue-section {
    margin-bottom: 60px;
}

.issue-layout {
    display: flex;
    gap: 40px;
}

.journal-cover-image {
    width: 210px;
    height: 298px;
    flex-shrink: 0;
    border: 2px solid var(--text-dark);
    box-shadow: 4px 4px 0 rgba(0,0,0,0.8);
    background-color: var(--border-color);
    position: relative;
    overflow: hidden;
}

.issue-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.volume-info {
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 25px;
}

.article-highlight {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.6;
}

.highlight-red {
    background-color: var(--color-red);
    color: white;
    padding: 2px 10px;
    border-radius: 4px;
}

.highlight-green {
    background-color: var(--color-green);
    color: white;
    padding: 2px 10px;
    border-radius: 4px;
}

/* ========================================= */
/* Main Banner (Nature Journal Style) */
/* ========================================= */
.main-banner {
    position: relative;
    width: 100%;
    margin-bottom: 50px;
}

.banner-slide {
    position: relative;
    padding: 80px 0;
    display: flex;
    align-items: center;
    background-color: var(--bg-slate);
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(135deg, rgba(58, 58, 58, 0.95), rgba(43, 138, 126, 0.85));
    z-index: 1;
}

.banner-inner {
    position: relative;
    z-index: 2;
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.banner-text-box {
    flex: 1;
    max-width: 600px;
    padding: 40px;
    background-color: white;
    border-radius: 4px;
    box-shadow: 10px 10px 0 rgba(0,0,0,0.5);
    border: 2px solid var(--text-dark);
}

.vol-issue {
    display: inline-block;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-red);
    margin-bottom: 15px;
    letter-spacing: 1px;
    background-color: rgba(203, 60, 49, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
}

.banner-text-box h2 {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.banner-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-bottom: 50px;
}

.banner-cover-box {
    flex-shrink: 0;
}

.cover-wrapper {
    position: relative;
    width: 250px; /* Constrains the image severely */
    border: 1px solid var(--border-color); /* Defined border for visibility on light backgrounds */
    box-shadow: 0 10px 25px rgba(0,0,0,0.15); /* Soft shadow suitable for light backgrounds */
    background-color: white;
    padding: 5px;
}

.cover-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 1 / 1.414; /* A4 Ratio roughly */
    object-fit: cover;
}

.cover-meta {
    padding: 10px 10px 4px 10px; /* Reduced top padding and significantly reduced bottom padding to shorten height */
    text-align: center;
    font-family: 'Poppins', 'Pretendard', sans-serif;
    font-size: 0.85rem;
    color: var(--text-dark);
}

.cover-meta strong {
    font-size: 1.1rem;
    display: block;
    margin-bottom: 1px; /* Reduced gap between '최신호' and the date */
    color: var(--color-green);
}

/* SEARCH BAR SECTION */
.search-bar-section {
    display: flex;
    border: 2px solid var(--text-dark);
    height: 50px;
    margin-bottom: 50px;
    background: white;
}

.pattern-box {
    width: 120px;
    background-color: var(--color-green);
    background-image: url('pattern.png');
    background-size: auto 160%; /* Scales up the image to crop white margins on top/bottom */
    background-position: center center;
    background-repeat: repeat-x;
    border-right: 2px solid var(--text-dark);
}

.pattern-box.right {
    border-right: none;
    border-left: 2px solid var(--text-dark);
    transform: scaleX(-1);
}

.search-input-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.search-icon {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-right: 15px;
}

.search-input-wrap input {
    border: none;
    outline: none;
    width: 100%;
    font-size: 1.1rem;
    font-family: 'Poppins', sans-serif;
}

.btn-search-main {
    background-color: var(--bg-charcoal);
    color: white;
    border: none;
    height: 38px;
    padding: 0 20px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 4px;
    margin-left: 15px;
    transition: all 0.2s ease-in-out;
    font-family: 'Pretendard', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-shrink: 0;
}

.btn-search-main:hover {
    background-color: var(--color-green);
    transform: translateY(-1px);
}

.btn-search-main:active {
    transform: translateY(1px);
}


/* ========================================= */
/* Notice Area & Banner */
/* ========================================= */
.notice-banner-row {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.notice-area {
    flex: 1;
}

.notice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--text-dark);
    padding-bottom: 12px;
    margin-bottom: 10px;
}

.notice-header h3 {
    font-family: 'Pretendard', sans-serif; /* Fallback to Pretendard for Korean */
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.notice-header .en-title {
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--bg-slate);
    letter-spacing: 0.5px;
}

.btn-more {
    font-size: 1.2rem;
    color: var(--text-dark);
}

.notice-list {
    list-style: none;
}

.notice-list li {
    display: flex;
    gap: 20px;
    padding: 18px 10px;
    margin: 0 -10px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.notice-list li:hover {
    background-color: var(--bg-offwhite);
}

.notice-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-dark);
    font-family: 'Poppins', sans-serif;
    min-width: 50px;
    border-right: 1px solid var(--border-color);
    padding-right: 15px;
}

.notice-date .year {
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1;
}

.notice-date .md {
    font-size: 0.85rem;
    font-weight: 500;
    color: #888;
    margin-top: 4px;
}

.notice-text {
    flex: 1;
    overflow: hidden;
}

.notice-text h4 {
    font-size: 1.15rem; /* Increased size by 10% */
    font-weight: 600;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notice-text p {
    font-size: 0.95rem; /* Increased size by 10% */
    color: var(--text-muted);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-category {
    font-family: 'Poppins', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    padding-left: 10px;
    border-left: 1px solid var(--border-color);
}

.cat-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.red-dot { background-color: var(--color-red); }
.green-dot { background-color: var(--color-green); }
.yellow-dot { background-color: var(--color-yellow); }

/* Banner Area */
.banner-area {
    width: 320px;
    background-color: white;
    border: 2px solid var(--text-dark);
    box-shadow: 4px 4px 0 rgba(0,0,0,0.8);
    border-radius: 4px;
    padding: 24px; /* Equal padding on all sides (top, bottom, left, right) */
    display: flex;
    flex-direction: column;
}

.banner-card.cover-banner {
    border-radius: 2px;
    width: 100%;
    aspect-ratio: 1 / 1.414;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-offwhite);
}

.cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Banner Info (Current Issue Text) */
.banner-info {
    margin-top: 18px; /* Gap between cover image and text */
    text-align: center;
    font-family: 'Poppins', 'Pretendard', sans-serif;
    font-size: 0.85rem;
    color: var(--text-dark);
}

.banner-info strong {
    font-size: 1.1rem;
    display: block;
    margin-bottom: 1px; /* Reduced gap between '최신호' and the date */
    color: var(--color-green);
    font-weight: 700;
}

.banner-info .date {
    color: var(--text-dark);
    font-size: 0.85rem;
}

/* Banner Actions (Buttons) */
.banner-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.banner-actions a {
    flex: 1;
    text-align: center;
    padding: 12px 0;
    font-family: 'Poppins', sans-serif;
    font-size: 1.05rem;
    font-weight: 500;
    border-radius: 2px;
    transition: all 0.2s ease;
}

.btn-outline {
    border: 1px solid var(--color-green);
    color: var(--color-green);
    background-color: white;
}

.btn-outline:hover {
    background-color: rgba(43, 138, 126, 0.05); /* very light tint of green */
}

.btn-solid {
    border: 1px solid var(--color-green);
    background-color: var(--color-green);
    color: white;
}

.btn-solid:hover {
    background-color: #216d63; /* darker teal */
    border-color: #216d63;
}

/* ========================================= */
/* Sidebar Quick Menu */
/* ========================================= */
.quick-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 65px;
    height: 100vh;
    background-color: var(--bg-charcoal);
    color: white;
    z-index: 1000;
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.quick-sidebar:hover {
    width: 260px; /* Expands to reveal text */
}

.sidebar-toggle {
    height: 65px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    background-color: var(--color-red); /* Accent color */
    border-bottom: 1px solid rgba(255,255,255,0.1);
    white-space: nowrap;
    cursor: default;
}

.sidebar-toggle i {
    font-size: 1.4rem;
    min-width: 25px;
    text-align: center;
}

.sidebar-toggle span {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    margin-left: 20px;
    opacity: 0;
    transition: opacity 0.2s 0.1s;
}

.quick-sidebar:hover .sidebar-toggle span {
    opacity: 1;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    flex: 1;
}

.side-link {
    display: flex;
    align-items: center;
    padding: 15px 23px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.side-link:hover {
    color: white;
    background-color: rgba(255,255,255,0.05);
    border-left-color: var(--color-yellow);
}

.side-link i {
    font-size: 1.2rem;
    min-width: 20px;
    text-align: center;
}

.side-link .side-text {
    font-weight: 500;
    font-size: 0.95rem;
    margin-left: 25px;
    opacity: 0;
    transition: opacity 0.2s 0.1s;
}

.quick-sidebar:hover .side-link .side-text {
    opacity: 1;
}

/* ========================================= */
/* Footer */
/* ========================================= */
.site-footer-v2 {
    margin: 0;
    background-color: transparent;
    border-top: 2px solid var(--text-dark);
}

.footer-top {
    padding: 30px 40px;
    background-color: white;
}

.footer-top-container {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 0;
}

.about-title h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
}

.about-info {
    display: flex;
    gap: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0px;
}

.icon-circle {
    width: 40px;
    height: 40px;
    background-color: var(--bg-charcoal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.info-text p {
    font-size: 0.85rem;
    font-weight: 500;
}

.footer-bottom {
    background-color: var(--bg-charcoal);
    padding: 15px 0 30px 0; /* 3/4 padding */
    color: white;
    position: relative;
    border-top: 2px solid var(--text-dark);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.footer-links a {
    color: #cccccc;
    font-weight: 500;
}

.footer-links .divider {
    color: #666;
    font-size: 0.8rem;
}

.footer-address p {
    font-size: 0.85rem;
    line-height: 1.7;
    color: #aaa;
}

.copyright {
    margin-top: 5px;
    color: #777 !important;
}

.designed-by {
    display: flex;
    align-items: center;
    gap: 0px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.64rem;
    font-style: italic;
    color: #999;
}

.designer-logo {
    font-style: normal;
    font-weight: 700;
    color: #ddd;
    display: flex;
    align-items: center;
    gap: 6px;
}

.designer-img {
    height: 18px;
    width: auto;
    object-fit: contain;
    /* Inverts the black lines to white, and light background to very dark, then screens it out */
    filter: invert(1) brightness(1.2) contrast(150%);
    mix-blend-mode: screen;
}

/* ========================================= */
/* Go to Top Button */
/* ========================================= */
.btn-top {
    position: absolute;
    right: 40px;
    bottom: 50px;
    width: 50px;
    height: 50px;
    background-color: var(--text-dark);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

.btn-top:hover {
    background-color: var(--color-red);
}

/* ========================================= */
/* Subpage Layout (Board List) */
/* ========================================= */

.sub-visual {
    width: 100%;
    height: 200px; /* Reduced from 300px to 2/3 height */
    /* Dark background serving as placeholder for traditional background image */
    background-color: #1a1e24; 
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('cover.png');
    background-size: cover;
    background-position: center 30%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px; /* Reduced from 15px to 2/3 */
}

.sub-visual .visual-text h2 {
    color: white;
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: 0.2em; /* Widened letter-spacing */
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.subpage-area {
    padding-bottom: 80px;
}

/* LNB & Utils */
.sub-util-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px; /* Reduced from 20px */
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px; /* Reduced from 40px */
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb i.fa-house {
    color: var(--text-dark);
}

.breadcrumb .divider {
    font-size: 0.7rem;
    opacity: 0.5;
}

.breadcrumb .current {
    color: var(--text-dark);
    font-weight: 600;
}

.page-utils {
    display: flex;
    gap: 0px;
}

.page-utils a {
    color: var(--text-dark);
    font-size: 1.1rem;
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.page-utils a:hover {
    background-color: var(--bg-offwhite);
    border-color: var(--text-dark);
}

/* Depth 3 Tabs */
.sub-tabs {
    display: flex;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px; /* Reduced from 30px */
}

.tab-item {
    padding: 15px 30px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    letter-spacing: 0.12em; /* Widened letter-spacing */
    transition: all 0.2s;
}

.tab-item:hover {
    color: var(--text-dark);
}

.tab-item.active {
    color: var(--color-green); /* Primary accent */
    border-bottom-color: var(--color-green);
}

/* Board Search & Filter */
.board-search-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    padding: 20px 30px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 20px; /* Reduced from 40px */
}

.filter-group, .search-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.board-search-box select,
.board-search-box input {
    height: 42px;
    border: 1px solid var(--border-color);
    padding: 0 15px;
    font-family: inherit;
    font-size: 0.95rem;
    border-radius: 4px;
    outline: none;
}

.board-search-box select {
    min-width: 120px;
    background-color: white;
    cursor: pointer;
}

.btn-search {
    height: 42px;
    background-color: var(--bg-charcoal);
    color: white;
    border: none;
    padding: 0 22px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease-in-out;
    font-family: 'Pretendard', sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-search:hover {
    background-color: var(--color-green);
    transform: translateY(-1px);
}

.btn-search:active {
    transform: translateY(1px);
}


.btn-apply {
    height: 42px;
    background-color: var(--text-dark);
    color: white;
    border: none;
    padding: 0 20px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-input {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.search-input input {
    border: none;
    width: 250px;
    border-radius: 0;
}

.search-input button {
    background: none;
    border: none;
    width: 42px;
    height: 42px;
    cursor: pointer;
    color: var(--text-dark);
}

/* Board List Table */
.board-info {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.board-info strong {
    color: var(--color-red);
}

.board-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px; /* Reduced from 40px */
    text-align: center;
}

.board-table th {
    padding: 18px 10px;
    background-color: rgba(0,0,0,0.02);
    border-top: 2px solid var(--text-dark);
    border-bottom: 1px solid var(--text-dark);
    font-weight: 700;
    font-size: 1.05rem;
}

.board-table td {
    padding: 20px 10px;
    border-bottom: 1px solid var(--border-color);
    font-size: 1rem;
    color: var(--text-muted);
}

.board-table .col-title {
    text-align: left;
}

.board-table td.col-title a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
}

.board-table td.col-title a:hover {
    text-decoration: underline;
    color: var(--color-red);
}

.col-num { width: 8%; }
.col-cat { width: 15%; }
.col-year { width: 10%; }
.col-view { width: 10%; }

.icon-monitor {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.2s;
}

.icon-monitor:hover {
    color: var(--color-red);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background-color: white;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.pagination a:hover {
    border-color: var(--text-dark);
    color: var(--text-dark);
}

/* ========================================= */
/* About Us (Greeting Layout) */
/* ========================================= */
.greeting-wrap {
    background-color: white;
    padding: 60px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 20px;
}

.greeting-header {
    text-align: center;
    margin-bottom: 60px;
}

.greeting-header .greet-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.greeting-header .greet-sub {
    font-size: 1.2rem;
    color: var(--color-green);
    font-weight: 500;
}

.greeting-body {
    display: flex;
    flex-direction: column; /* Stack image and text vertically */
    gap: 40px;
    align-items: center; /* Center them perfectly */
}

.greet-image {
    max-width: 150px; /* Reduced from 400px for a compact, sharper layout */
    width: 100%;
}

.greet-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 8px 8px 0px rgba(0,0,0,0.05); /* Adjusted offset for smaller image */
    /* Enhance visual sharpness for low-resolution images */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: contrast(1.06) brightness(1.02);
}

.greet-text {
    flex: 1;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
    text-align: center; /* Center the paragraphs */
    max-width: 800px; /* Keep text from getting too wide to read comfortably */
}

.greet-text p {
    margin-bottom: 25px;
    word-break: keep-all;
}

.greet-sign {
    margin-top: 50px;
    text-align: center; /* Center the signature */
    font-size: 1.2rem;
    border-top: 1px dotted var(--border-color);
    padding-top: 25px;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

.greet-sign .position {
    display: block;
    color: var(--text-dark);
    margin-bottom: 5px;
}

/* ========================================= */
/* Current Issue Subpage */
/* ========================================= */
.issue-summary-box {
    display: flex;
    gap: 40px;
    background-color: white;
    padding: 24px; /* Reduced from 40px */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 20px; /* Reduced from 40px */
    align-items: center;
}

.issue-summary-box .issue-cover {
    flex: 0 0 200px;
}

.issue-summary-box .issue-cover img {
    width: 100%;
    height: auto;
    object-fit: cover;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.issue-meta {
    flex: 1;
}

.issue-meta .vol-label {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--color-green);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    border-radius: 4px;
    margin-bottom: 15px;
}

.issue-meta .vol-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.issue-meta .vol-date {
    font-size: 1.05rem;
    font-family: 'Poppins', sans-serif;
    color: var(--text-muted);
    margin-bottom: 20px;
    border-bottom: 1px dotted var(--border-color);
    padding-bottom: 20px;
}

.issue-meta .vol-desc {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.article-en-title {
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    color: var(--bg-slate);
    margin-top: 5px;
}

.board-table td.col-title {
    padding-top: 25px;
    padding-bottom: 25px;
}
/* ---------------------------------
   Current Issue Data Table Overrides
----------------------------------*/
.issue-summary-box {
    display: flex;
    gap: 40px;
    background-color: #fcfcfc;
    border: 1px solid #eee;
    padding: 30px;
    margin-bottom: 40px;
    border-radius: 8px;
    align-items: center;
}
.issue-cover {
    flex: 0 0 200px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.issue-cover img {
    width: 100%;
    display: block;
    height: auto;
}
.issue-meta {
    flex: 1;
}
.vol-label {
    display: inline-block;
    padding: 5px 12px;
    background-color: var(--color-blue);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
}
.vol-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}
.vol-date {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
}
.vol-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 25px;
}
.vol-actions .btn-apply {
    background-color: var(--color-charcoal);
    padding: 10px 20px;
}

.article-en-title {
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    color: #888;
    margin-top: 5px;
}

.board-table td.col-title p {
    margin: 0;
}

/* ---------------------------------
   Login Page Styles
----------------------------------*/
.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 0 100px;
}
.login-box {
    width: 100%;
    max-width: 500px;
    background: #fff;
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.06);
    border: 1px solid #eaeaea;
    text-align: center;
}
.login-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: 15px;
    letter-spacing: 2px;
}
.login-sub {
    font-size: 1rem;
    color: #666;
    line-height: 1.5;
    margin-bottom: 40px;
}
.login-form .input-group {
    margin-bottom: 15px;
    position: relative;
}
.input-icon-wrap {
    position: relative;
}
.input-icon-wrap i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 1.1rem;
}
.input-icon-wrap input {
    width: 100%;
    padding: 16px 20px 16px 50px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: 'Pretendard', sans-serif;
}
.input-icon-wrap input:focus {
    border-color: var(--color-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(45, 122, 115, 0.1);
}
.input-icon-wrap input:focus + i {
    color: var(--color-blue);
}
.login-options {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 25px;
    margin-top: 15px;
}
.checkbox-wrap {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.95rem;
    color: #666;
}
.checkbox-wrap input {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    accent-color: var(--color-blue);
}
.btn-login {
    width: 100%;
    padding: 18px;
    background-color: var(--color-red);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 25px;
}
.btn-login:hover {
    background-color: #a8201a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(200, 40, 31, 0.2);
}
.login-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}
.login-links a {
    color: #888;
    transition: color 0.2s;
}
.login-links a:hover {
    color: var(--text-dark);
}
.login-links a.highlight {
    color: var(--color-blue);
    font-weight: 600;
}
.login-links .divider {
    color: #ddd;
    font-size: 0.8rem;
}

/* ========================================= */
/* Rules & Regulations (Bylaws) Page */
/* ========================================= */
.rules-wrap {
    background-color: white;
    padding: 50px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 20px;
}

.rules-nav {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--text-dark);
    padding-bottom: 15px;
    margin-bottom: 40px;
    position: sticky;
    top: -1px; /* stick exactly at the top */
    background-color: white;
    z-index: 10;
}

.rules-nav-btn {
    padding: 10px 20px;
    background-color: var(--bg-offwhite);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0px;
}

.rules-nav-btn:hover, .rules-nav-btn.active {
    background-color: var(--color-green);
    color: white;
    border-color: var(--color-green);
}

.rules-section {
    margin-bottom: 60px;
    scroll-margin-top: 80px; /* Offset for sticky nav */
}

.rules-section:not(:last-child) {
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 60px;
}

.section-title-box {
    display: flex;
    align-items: center;
    gap: 12px; /* Add space between Roman numeral box and text */
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.section-num {
    background-color: var(--text-dark);
    color: white;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    border-radius: 4px;
    font-size: 1.1rem;
    flex-shrink: 0; /* Prevent the numeral box from squeezing on narrow viewports */
}

.section-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0; /* Reset default browser margins */
    line-height: 1.2;
}

.update-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    background-color: var(--bg-offwhite);
    padding: 4px 10px;
    border-radius: 4px;
    margin-left: auto;
    font-weight: 500;
}

.intro-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 30px;
    word-break: keep-all;
    text-align: justify;
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
}

.grid-box, .full-box {
    background-color: var(--bg-offwhite);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.grid-box h4, .full-box h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 0px;
}

.grid-box h4 i, .full-box h4 i {
    color: var(--color-green);
}

.grid-box ul, .full-box ul {
    list-style: none;
    padding-left: 0;
}

.grid-box ul li, .full-box ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.grid-box ul li::before, .full-box ul li::before {
    content: "•";
    color: var(--color-green);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.business-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

@media (max-width: 600px) {
    .business-list {
        grid-template-columns: 1fr;
    }
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.article-item {
    border-left: 3px solid var(--border-color);
    padding-left: 20px;
    transition: border-color 0.2s;
}

.article-item:hover {
    border-left-color: var(--color-green);
}

.article-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.article-item p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-muted);
    word-break: keep-all;
}

.article-item ol {
    padding-left: 20px;
    margin-top: 10px;
}

.article-item ol li {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.ethics-preface {
    background-color: var(--bg-offwhite);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.ethics-preface h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.ethics-preface p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-muted);
    word-break: keep-all;
}

/* ========================================= */
/* Timeline (Academy History) Page */
/* ========================================= */
.history-wrap {
    background-color: white;
    padding: 50px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 20px;
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0;
    padding-left: 40px;
}

.timeline-line {
    position: absolute;
    left: 50px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-year-group {
    position: relative;
    margin-bottom: 40px;
}

.timeline-year-badge {
    display: inline-block;
    background-color: var(--text-dark);
    color: white;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 6px 16px;
    border-radius: 20px;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    margin-left: 10px; /* Offset to center on the line */
}

.timeline-item {
    position: relative;
    padding-left: 40px;
    margin-bottom: 25px;
}

.timeline-badge {
    position: absolute;
    left: -1px; /* Center on the line (since padding-left is 40px) */
    top: 22px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: white;
    border: 2px solid var(--color-green);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-green);
    font-size: 0.75rem;
    z-index: 2;
    transition: all 0.3s;
}

.timeline-item:hover .timeline-badge {
    background-color: var(--color-green);
    color: white;
    transform: scale(1.1);
}

.timeline-item.highlight .timeline-badge {
    background-color: var(--color-red);
    border-color: var(--color-red);
    color: white;
}

.timeline-date {
    display: inline-block;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-green);
    margin-bottom: 8px;
    background-color: rgba(45, 122, 115, 0.08);
    padding: 3px 10px;
    border-radius: 4px;
}

.timeline-item.highlight .timeline-date {
    color: var(--color-red);
    background-color: rgba(200, 40, 31, 0.08);
}

.timeline-content {
    background-color: var(--bg-offwhite);
    padding: 20px 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s;
}

.timeline-content::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 25px;
    border-width: 8px 8px 8px 0;
    border-style: solid;
    border-color: transparent var(--border-color) transparent transparent;
}

.timeline-content::after {
    content: "";
    position: absolute;
    left: -7px;
    top: 25px;
    border-width: 8px 8px 8px 0;
    border-style: solid;
    border-color: transparent var(--bg-offwhite) transparent transparent;
}

.timeline-item:hover .timeline-content {
    border-color: var(--color-green);
    box-shadow: 0 5px 15px rgba(45,122,115,0.05);
}

.timeline-item.highlight:hover .timeline-content {
    border-color: var(--color-red);
    box-shadow: 0 5px 15px rgba(200,40,31,0.05);
}

.timeline-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 12px;
    word-break: keep-all;
}

.timeline-loc {
    font-size: 0.85rem;
    color: #888;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

/* ========================================= */
/* Organization Chart Page */
/* ========================================= */
.org-chart-wrap {
    background-color: white;
    padding: 60px 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.org-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-top: 30px;
    position: relative;
}

/* Base Node Styling */
.org-node {
    background-color: white;
    border: 2px solid var(--bg-charcoal);
    border-radius: 6px;
    padding: 15px 30px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    position: relative;
    z-index: 2;
    min-width: 180px;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.org-node:hover {
    border-color: var(--color-green);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(43, 138, 126, 0.12);
}

/* Primary Level Node (GA, Board) */
.org-node.primary {
    background-color: var(--bg-charcoal);
    color: white;
    border-color: var(--bg-charcoal);
}

.org-node.primary:hover {
    background-color: var(--color-green);
    border-color: var(--color-green);
}

/* Accent Node (President / Chairperson) */
.org-node.accent {
    border-color: var(--color-red);
    color: var(--color-red);
    background-color: rgba(203, 60, 49, 0.02);
}

.org-node.accent:hover {
    background-color: var(--color-red);
    color: white;
    box-shadow: 0 8px 24px rgba(203, 60, 49, 0.15);
}

/* Side Nodes (Advisors, Auditors) */
.org-node.side {
    border-color: var(--bg-slate);
    color: var(--text-dark);
    font-size: 0.95rem;
    font-weight: 600;
    min-width: 140px;
    padding: 12px 20px;
}

.org-node.side:hover {
    border-color: var(--color-green);
    color: var(--color-green);
}

/* Connector Lines */
.org-line-v {
    width: 2px;
    height: 35px;
    background-color: var(--border-color);
    position: relative;
    z-index: 1;
}

/* Level Wrapper for Side-by-Side Nodes */
.org-row-side-by-side {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    position: relative;
    width: 100%;
}

/* Horizontal lines connecting side nodes to center node */
.org-row-side-by-side::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 20%;
    right: 20%;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

/* 3-Way Split Layout for Bottom Columns */
.org-row-split {
    display: flex;
    justify-content: center;
    position: relative;
    width: 100%;
    gap: 60px;
    padding-top: 35px;
}

/* Horizontal bar connecting the columns */
.org-row-split::before {
    content: "";
    position: absolute;
    top: 0;
    left: 16.66%;
    right: 16.66%;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

.org-row-split-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
    max-width: 260px;
}

/* Vertical line from horizontal bar to column title node */
.org-row-split-col::before {
    content: "";
    position: absolute;
    top: -35px;
    width: 2px;
    height: 35px;
    background-color: var(--border-color);
    z-index: 1;
}

/* Sub-list container */
.org-sub-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    width: 100%;
    margin-top: 15px;
}

/* Sub-nodes inside columns */
.org-sub-node {
    background-color: var(--bg-offwhite);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 15px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    width: 100%;
    text-align: center;
    position: relative;
    transition: all 0.2s;
}

.org-sub-node:hover {
    border-color: var(--color-green);
    color: var(--color-green);
    background-color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* Responsive Overrides */
@media (max-width: 992px) {
    .org-row-split {
        flex-direction: column;
        gap: 40px;
        align-items: center;
        padding-top: 0;
    }
    
    .org-row-split::before {
        display: none;
    }
    
    .org-row-split-col {
        max-width: 320px;
        width: 100%;
    }
    
    .org-row-split-col::before {
        content: "";
        position: absolute;
        top: -20px;
        width: 2px;
        height: 20px;
        background-color: var(--border-color);
    }
    
    .org-row-side-by-side {
        flex-direction: column;
        gap: 0px;
    }
    
    .org-row-side-by-side::before {
        display: none;
    }
}

/* ========================================= */
/* Share Modal (YouTube-like Dialog) */
/* ========================================= */
.share-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000; /* Must be higher than header and other elements */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.share-modal {
    background-color: #ffffff;
    border-radius: 12px;
    width: 90%;
    max-width: 480px;
    padding: 28px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
    position: relative;
    transform: translateY(30px);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid var(--border-color);
}

.share-modal-overlay.active .share-modal {
    transform: translateY(0);
}

.share-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 12px;
}

.share-modal-header h3 {
    font-family: 'Pretendard', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.share-modal-close {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.share-modal-close:hover {
    color: var(--color-red);
    background-color: var(--bg-offwhite);
}

.share-sns-list {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    gap: 10px;
}

.share-sns-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.72rem;
    font-weight: 600;
    transition: transform 0.2s;
    flex: 1;
    cursor: pointer;
}

.share-sns-item:hover {
    transform: translateY(-4px);
}

.share-sns-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    transition: opacity 0.2s;
}

.share-sns-item:hover .share-sns-icon {
    opacity: 0.85;
}

/* SNS Icon Colors */
.sns-facebook { background-color: #1877F2; }
.sns-twitter { background-color: #111111; } /* X Twitter modern styling */
.sns-kakaostory { background-color: #FEE500; color: #3C1E1E !important; }
.sns-line { background-color: #06C755; }
.sns-email { background-color: #7B848A; }

.share-link-copy-box {
    display: flex;
    gap: 10px;
    background-color: var(--bg-offwhite);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    padding: 6px;
    align-items: center;
}

.share-link-input {
    flex: 1;
    border: none;
    background: none;
    font-family: 'Poppins', 'Pretendard', sans-serif;
    font-size: 0.82rem;
    color: var(--text-dark);
    outline: none;
    width: 100%;
    padding-left: 8px;
}

.share-btn-copy {
    background-color: var(--color-green);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-family: 'Pretendard', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    white-space: nowrap;
}

.share-btn-copy:hover {
    background-color: #1f6b61;
}

.share-btn-copy:active {
    transform: scale(0.96);
}

/* ========================================= */
/* Free Board & Notice Modals Styles */
/* ========================================= */
.fb-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease-in-out;
}

.fb-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.fb-modal-box {
    background-color: white;
    border: 2px solid var(--text-dark);
    box-shadow: 10px 10px 0 rgba(0,0,0,0.4);
    border-radius: 4px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.92);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.fb-modal-overlay.active .fb-modal-box {
    transform: scale(1);
}

.fb-modal-header {
    padding: 16px 24px;
    background-color: var(--bg-offwhite);
    border-bottom: 2px solid var(--text-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fb-modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: 0.5px;
}

.fb-modal-close {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.fb-modal-close:hover {
    color: var(--color-red);
}

.fb-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.fb-modal-footer {
    padding: 16px 24px;
    background-color: var(--bg-offwhite);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
}

/* Form Styles inside Modal */
.fb-form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.fb-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.fb-form-group.half {
    flex: 1;
}

.fb-form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-dark);
}

.fb-form-group label .desc {
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 4px;
}

.fb-form-group input,
.fb-form-group select,
.fb-form-group textarea {
    padding: 10px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.fb-form-group input:focus,
.fb-form-group select:focus,
.fb-form-group textarea:focus {
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(43, 138, 126, 0.15);
}

.fb-form-group input[readonly] {
    background-color: var(--bg-offwhite);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Detail Modal Specifics */
.fb-detail-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.fb-detail-title-row .badge {
    padding: 3px 8px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 3px;
    color: white;
}

/* Badge colors matching category names */
.fb-detail-title-row .badge.cat-자유 { background-color: var(--color-blue); }
.fb-detail-title-row .badge.cat-질문 { background-color: var(--color-red); }
.fb-detail-title-row .badge.cat-정보 { background-color: var(--color-green); }
.fb-detail-title-row .badge.cat-소통 { background-color: var(--color-yellow); color: #222; }
.fb-detail-title-row .badge.cat-공지 { background-color: var(--color-red); }

.fb-detail-title-row h4 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-dark);
}

.fb-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0px;
    font-size: 0.82rem;
    color: var(--text-muted);
    padding-bottom: 12px;
    border-bottom: 1px dotted var(--border-color);
    margin-bottom: 20px;
}

.fb-detail-meta span {
    display: flex;
    align-items: center;
    gap: 0px;
}

.fb-detail-meta strong {
    color: var(--text-dark);
}

.fb-detail-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-dark);
    white-space: pre-wrap;
    word-break: break-all;
    min-height: 150px;
    max-height: 400px;
    overflow-y: auto;
}

/* Modal Actions Buttons */
.btn-submit {
    background-color: var(--color-green);
    color: white;
    border: none;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background-color: #1f6b61;
}

.btn-cancel {
    background-color: var(--bg-charcoal);
    color: white;
    border: none;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-cancel:hover {
    background-color: #2b2b2b;
}

.btn-edit-post {
    background-color: var(--color-blue);
    color: white;
    border: none;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-edit-post:hover {
    background-color: #1d4d8c;
}

.btn-delete-post {
    background-color: var(--color-red);
    color: white;
    border: none;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-delete-post:hover {
    background-color: #a8322a;
}

/* ========================================= */
/* Main Footer & Logo Block for Subpages */
/* ========================================= */
.main-footer {
    background-color: var(--bg-charcoal) !important;
    padding: 15px 0 30px 0; /* 3/4 padding */
    color: white !important;
    border-top: 2px solid var(--text-dark);
    position: relative;
}

.main-footer .footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    box-sizing: border-box;
}

.main-footer .footer-left {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.main-footer .footer-links {
    display: flex;
    align-items: center;
    gap: 0px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.main-footer .footer-links a {
    color: #cccccc !important;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.main-footer .footer-links a:hover {
    color: white !important;
}

.main-footer .footer-links .divider {
    color: #666;
    font-size: 0.8rem;
}

.main-footer .footer-address p {
    font-size: 0.85rem;
    line-height: 1.7;
    color: #bbb !important;
    margin: 0 0 5px 0;
}

.main-footer .footer-address .copyright {
    margin-top: 5px;
    color: #777 !important;
}

.main-footer .footer-right,
.footer-bottom .footer-bottom-right {
    position: absolute;
    right: 40px;
    bottom: 15px;
    display: flex;
    align-items: flex-end;
}

.main-footer .designed-by {
    display: flex;
    align-items: center;
    font-size: 0.64rem;
    color: #777;
    gap: 6px;
}

.main-footer .designer-logo {
    font-weight: 600;
    color: #999;
}

.footer-logo-block {
    display: flex;
    align-items: center;
    gap: 0px;
}

.logo-text-footer {
    text-align: left;
}

.logo-text-footer h4 {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    margin: 0;
    color: white !important;
    font-family: 'Pretendard', sans-serif;
}

.logo-text-footer .logo-en {
    font-size: 0.55rem;
    font-weight: 500;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6) !important;
    display: block;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.03em;
    margin-top: 2px;
}

@media (max-width: 992px) {
    .main-footer .footer-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 0 20px;
    }
    
    .main-footer .footer-links {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .main-footer .footer-right,
    .footer-bottom .footer-bottom-right {
        position: static;
        align-items: flex-start;
        margin-top: 15px;
    }
}

/* ========================================= */
/* Submission Wizard & Forms */
/* ========================================= */
.submission-wizard {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    margin-bottom: 40px;
}

.wizard-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    margin-bottom: 50px;
    padding: 0 10px;
}

.wizard-progress::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 50px;
    right: 50px;
    height: 3px;
    background-color: #e0e0e0;
    z-index: 1;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 1;
    text-align: center;
}

.progress-step .step-num {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    border: 3px solid #e0e0e0;
    color: #999;
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.progress-step .step-title {
    margin-top: 12px;
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: all 0.3s ease;
}

/* Active Step */
.progress-step.active .step-num {
    border-color: var(--color-green);
    background-color: var(--color-green);
    color: white;
    box-shadow: 0 0 0 5px rgba(43, 138, 126, 0.15);
}

.progress-step.active .step-title {
    color: var(--text-dark);
    font-weight: 700;
}

/* Completed Step */
.progress-step.completed .step-num {
    border-color: var(--color-green);
    background-color: white;
    color: var(--color-green);
}

.progress-step.completed .step-title {
    color: var(--color-green);
    font-weight: 600;
}

/* Wizard Step Contents */
.wizard-step-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.wizard-step-content.active {
    display: block;
}

.form-section-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bg-charcoal);
    text-align: left;
}

/* Agreements boxes */
.agreement-box label:hover {
    color: var(--color-green);
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    background-color: white;
    transition: all 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-green);
    outline: none;
    box-shadow: 0 0 0 3px rgba(43, 138, 126, 0.1);
}

/* Author cards */
.author-card {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 25px;
    background: white;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

.author-card:hover {
    border-color: var(--bg-slate);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.btn-remove-author {
    background: none;
    border: none;
    color: var(--color-red);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.btn-remove-author:hover {
    background: rgba(203, 60, 49, 0.08);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 4px;
    text-align: center;
    min-width: 80px;
}

.status-badge.submitted {
    background-color: rgba(46, 104, 178, 0.1);
    color: var(--color-blue);
    border: 1px solid rgba(46, 104, 178, 0.2);
}

.status-badge.reviewing {
    background-color: rgba(240, 177, 54, 0.1);
    color: #d69512;
    border: 1px solid rgba(240, 177, 54, 0.2);
}

.status-badge.accepted {
    background-color: rgba(43, 138, 126, 0.1);
    color: var(--color-green);
    border: 1px solid rgba(43, 138, 126, 0.2);
}

.status-badge.rejected {
    background-color: rgba(203, 60, 49, 0.1);
    color: var(--color-red);
    border: 1px solid rgba(203, 60, 49, 0.2);
}

/* History table */
.history-table th {
    background-color: var(--bg-charcoal);
    color: white;
    font-weight: 600;
    padding: 15px 12px;
}

.history-table td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.history-table tbody tr {
    cursor: pointer;
    transition: background-color 0.2s;
}

.history-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.015);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .wizard-progress {
        flex-direction: column;
        gap: 0px;
        align-items: flex-start;
    }
    
    .wizard-progress::before {
        display: none;
    }
    
    .progress-step {
        flex-direction: row;
        gap: 0px;
        text-align: left;
    }
    
    .progress-step .step-title {
        margin-top: 0;
    }
    
    .submission-wizard {
        padding: 20px;
    }
}

/* ─── Global Font Awesome Icon Baseline Alignment & Spacing ─── */
.fa-solid, 
.fa-regular, 
.fa-brands, 
i[class*="fa-"] {
    position: relative;
    top: 0.05em; /* Shift icon down slightly to align bottom with Korean text baseline */
    margin-right: 0.5em; /* Add space of about one font width (like a space / 1ch) */
}

/* Adjustments for icons appearing on the right side of the text */
i.fa-arrow-right,
i.fa-chevron-right,
i.fa-chevron-down,
i.fa-angle-right:not(.divider) {
    margin-left: 0.5em;
    margin-right: 0;
}

/* Reset spacing overrides for icon-only buttons, navigation bars, and specific elements to prevent layout offsets */
.top-search button i,
.page-utils a i,
.modal-close-btn i,
.btn-top i,
.sidebar-toggle i,
.side-link i,
.breadcrumb i,
.breadcrumb .divider,
.btn-delete-small i {
    margin-right: 0 !important;
    margin-left: 0 !important;
}

.util-link i {
    margin-right: 0.2em !important;
}

/* ==========================================================================
   Mobile & Tablet Responsive Adjustments (Unified Design System)
   ========================================================================== */

/* Breakpoint: <= 992px (Tablets and Large Mobile Devices) */
@media (max-width: 992px) {
    body {
        padding-left: 0 !important; /* Prune fixed sidebar gap */
    }
    
    .quick-sidebar {
        display: none !important; /* Hide left vertical sidebar */
    }
    
    .container {
        padding: 0 20px !important; /* Narrower padding */
    }
    
    /* Header layout modifications */
    .header-container {
        padding: 10px 0;
        position: relative;
    }
    
    .logo {
        padding: 10px 0;
        align-items: center;
    }
    
    .logo-icon-img {
        height: 90px;
    }
    
    .logo-text h1 {
        font-size: 1.35rem;
    }
    
    .logo-text .logo-en {
        font-size: 0.75rem;
    }
    
    /* Hamburger toggle button */
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.8rem;
        color: var(--text-dark);
        cursor: pointer;
        padding: 10px;
        z-index: 1002;
        transition: color 0.2s;
    }
    
    .mobile-menu-toggle:hover {
        color: var(--color-red);
    }
    
    .mobile-menu-toggle i {
        margin: 0 !important;
    }
    
    /* Responsive slide-out vertical menu */
    .main-nav {
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100vh;
        background-color: white;
        box-shadow: -5px 0 25px rgba(0,0,0,0.15);
        z-index: 1001;
        transition: right 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        padding: 80px 24px 40px 24px;
        overflow-y: auto;
        display: block;
    }
    
    .main-nav.mobile-active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        height: auto;
    }
    
    .nav-item {
        align-items: flex-start;
        padding: 15px 0;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
    }
    
    .nav-item a {
        font-size: 1.1rem;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 4px 0;
    }
    
    /* Suffix arrow indicators for menu items with sub-menus */
    .nav-item.has-dropdown > a::after {
        content: "\f107";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        font-size: 0.9rem;
        color: var(--text-muted);
        transition: transform 0.2s;
        margin-left: 10px;
    }
    
    .nav-item.has-dropdown.mobile-open > a::after {
        transform: rotate(180deg);
        color: var(--color-red);
    }
    
    .hover-bar {
        display: none !important; /* Prune desktop hover bars */
    }
    
    .sub-text {
        position: static;
        opacity: 1;
        display: block;
        margin-top: 4px;
        font-size: 0.72rem;
        color: var(--text-muted);
    }
    
    /* Vertical mobile sub-menus (dropdowns) */
    .main-nav .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding: 0;
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        margin-top: 10px;
        background: #fafaf9;
        border-left: 3px solid var(--color-red);
        padding-left: 15px;
        gap: 0;
    }
    
    .nav-item.mobile-open .dropdown-menu {
        display: flex;
    }
    
    .dropdown-menu::before, 
    .dropdown-menu::after {
        display: none !important;
    }
    
    .dropdown-menu li {
        width: 100%;
        padding: 0 !important;
    }
    
    .dropdown-menu li:not(:last-child)::after {
        display: none;
    }
    
    .dropdown-menu li a {
        text-align: left;
        font-size: 0.92rem;
        padding: 10px 0;
        color: var(--text-muted);
        width: 100%;
        display: block;
    }
    
    .dropdown-menu li a:hover {
        background: none;
        color: var(--color-red);
    }
    
    /* Subpage layout wrapping for tablet viewports */
    .subpage-area {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    
    .grid-container {
        grid-template-columns: 1fr; /* Switch double column grids to single column */
        gap: 20px;
    }
}

/* Breakpoint: <= 768px (Mobile Viewports) */
@media (max-width: 768px) {
    .container {
        padding: 0 15px !important;
    }
    
    /* Top utility bar stack */
    .util-right {
        flex-direction: column;
        gap: 10px;
        align-items: center;
        width: 100%;
    }
    
    .util-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .util-links .util-link:not(:last-child)::after {
        display: none; /* Hide pipe separators on mobile wrapping */
    }
    
    .top-search {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .top-search input {
        flex: 1;
    }
    
    /* Even smaller logo heights */
    .logo-icon-img {
        height: 60px;
    }
    
    .logo-text h1 {
        font-size: 1.1rem;
    }
    
    .logo-text .logo-en {
        font-size: 0.55rem;
    }
    
    /* Subpage banner & breadcrumbs styling */
    .sub-visual {
        height: 140px !important;
    }
    
    .sub-visual h2 {
        font-size: 1.6rem !important;
    }
    
    .sub-util-row {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start !important;
        padding: 12px 0 !important;
    }
    
    .page-utils {
        align-self: flex-end;
    }
    
    /* General forms & grids */
    .form-row-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    .input-group-btn {
        flex-wrap: wrap;
        gap: 8px !important;
    }
    
    .input-group-btn input {
        width: 100% !important;
        max-width: none !important;
    }
    
    .input-group-btn button {
        width: 100%;
        justify-content: center;
    }
    
    /* Academic history timeline adaptation */
    .timeline-container {
        padding-left: 20px;
    }
    
    .timeline-line {
        left: 30px;
    }
    
    .timeline-year-badge {
        margin-left: 0;
    }
    
    .timeline-item {
        padding-left: 25px;
    }
    
    .timeline-badge {
        left: -11px;
    }
    
    .timeline-content {
        padding: 15px;
    }
    
    .timeline-content::before, 
    .timeline-content::after {
        display: none; /* Hide visual speech bubble arrows */
    }
    
    /* Organization chart adaptation */
    .org-chart-wrap {
        padding: 30px 15px;
    }
    
    .org-row-side-by-side {
        flex-direction: column;
        gap: 15px;
    }
    
    .org-row-side-by-side::before {
        display: none;
    }
    
    .org-row-split {
        flex-direction: column;
        align-items: center;
        gap: 30px;
        padding-top: 15px;
    }
    
    .org-row-split::before {
        display: none;
    }
    
    .org-col {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .org-line-v {
        height: 20px;
    }
    
    /* Sitemap list stack */
    .sitemap-row {
        flex-direction: column !important;
        gap: 25px !important;
    }
    
    .sitemap-col {
        width: 100% !important;
    }
}