/* 1. 폰트 (로컬 파일 사용 — 예전엔 매 페이지 네이버 CDN에서 받아왔음) */
@font-face {
    font-family: 'NanumSquareNeo';
    src: url('../font/NanumSquareNeo-Variable.woff2') format('woff2-variations'),
         url('../font/NanumSquareNeo-Variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}


/* 2. CSS 변수는 css/tokens.css 로 이동했습니다 (단일 소스) */

/* 3. 기본 스타일 */
* { margin: 0; padding: 0; box-sizing: border-box; }

.x .x_form-search input, .x .x_form-inline input, .x .x_form-horizontal input, .x .x_form-search textarea, .x .x_form-inline textarea, .x .x_form-horizontal textarea, .x .x_form-search select, .x .x_form-inline select, .x .x_form-horizontal select, .x .x_form-search .x_help-inline, .x .x_form-inline .x_help-inline, .x .x_form-horizontal .x_help-inline, .x .x_form-search .x_uneditable-input, .x .x_form-inline .x_uneditable-input, .x .x_form-horizontal .x_uneditable-input, .x .x_form-search .x_input-prepend, .x .x_form-inline .x_input-prepend, .x .x_form-horizontal .x_input-prepend, .x .x_form-search .x_input-append, .x .x_form-inline .x_input-append, .x .x_form-horizontal .x_input-append {
  box-sizing: content-box;
}

body, table, input, textarea, select, button {
    font-family: 'NanumSquareNeo', -apple-system, BlinkMacSystemFont, sans-serif;
}

body { 
    font-weight: 400; 
    background: #f9fafb; 
    color: var(--text-primary); 
    transition: background var(--transition-normal), color var(--transition-normal);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }

/* 4. 다크모드 */
body.maskrun_dark_mode { background: #1e1e2f; color: #f7f7f7; }
body.maskrun_dark_mode header { background: #333333; }

/* 5. 공통 버튼 스타일 */
.maskrun_controls button,
.maskrun_hamburger,
.maskrun_search_close {
    background: linear-gradient(180deg, #f8f8f8 0%, #efefef 100%);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 1px 2px rgba(16, 24, 40, 0.04);
    transition: all var(--transition-normal);
}

.maskrun_controls button svg,
.maskrun_hamburger svg,
.maskrun_search_close svg {
    width: 22px; 
    height: 22px; 
    stroke: var(--text-primary); 
    stroke-width: 2; 
    stroke-linecap: round;
    fill: none;
    transition: all var(--transition-normal);
}

.maskrun_controls button:hover,
.maskrun_hamburger:hover,
.maskrun_search_close:hover {
    background: rgba(255, 90, 95, 0.1); 
    transform: scale(1.1);
}

.maskrun_controls button:hover svg,
.maskrun_hamburger:hover svg,
.maskrun_search_close:hover svg {
    stroke: var(--primary-color); 
    transform: scale(1.1);
}

body.maskrun_dark_mode .maskrun_controls button,
body.maskrun_dark_mode .maskrun_hamburger,
body.maskrun_dark_mode .maskrun_search_close {
    background: linear-gradient(180deg, #4a4a4a 0%, #3f3f3f 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 1px 2px rgba(0, 0, 0, 0.2);
}

body.maskrun_dark_mode .maskrun_controls button svg,
body.maskrun_dark_mode .maskrun_hamburger svg,
body.maskrun_dark_mode .maskrun_search_close svg { 
    stroke: #f7f7f7; 
}

body.maskrun_dark_mode .maskrun_controls button:hover,
body.maskrun_dark_mode .maskrun_hamburger:hover,
body.maskrun_dark_mode .maskrun_search_close:hover { 
    background: rgba(255, 90, 95, 0.2); 
}

body.maskrun_dark_mode .maskrun_controls button:hover svg,
body.maskrun_dark_mode .maskrun_hamburger:hover svg,
body.maskrun_dark_mode .maskrun_search_close:hover svg { 
    stroke: var(--primary-color); 
}

/* 6. 헤더 */
header {
    width: 100%;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(16, 24, 40, 0.04), 0 1px 2px rgba(16, 24, 40, 0.03);
    padding: 10px 0;
    position: fixed;
    top: 0;
    z-index: calc(var(--z-modal) - 1);
}

body.maskrun_dark_mode header {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
}

.top_menu_box { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    background: var(--bg-primary); 
    height: var(--header-height); 
    padding: 10px 20px; 
    border-radius: var(--border-radius-lg); 
    margin-inline: auto; 
    position: relative; 
    z-index: calc(var(--z-sidebar) + 1); 
    max-width: var(--container-max-width); 
}

/* 7. 로고 */
.maskrun_logo { 
    font-weight: 400; 
    color: var(--primary-color); 
    cursor: pointer; 
    transition: transform var(--transition-slow); 
    display: flex; 
    align-items: center;
}

.maskrun_logo img { 
    height: auto; 
    max-height: 40px; 
    width: auto; 
    max-width: 200px; 
    object-fit: contain;
}

.maskrun_logo:hover { transform: scale(1.1); }
.maskrun_logo a { font-size: 0; }

/* 8. 메인 네비게이션 */
nav.maskrun_main_nav { 
    flex-grow: 1; 
    display: flex; 
    justify-content: center; 
    font-size: 14px;
}

nav.maskrun_main_nav > ul { 
    display: flex; 
    list-style: none; 
    gap: 20px; 
    align-items: flex-start;
}

nav.maskrun_main_nav > ul > li { position: relative; }

nav.maskrun_main_nav > ul > li > a { 
    display: block; 
    padding: 10px 15px; 
    font-weight: 600; 
    transition: color var(--transition-fast);
}

nav.maskrun_main_nav > ul > li > a:hover,
nav.maskrun_main_nav li:hover > a { 
    color: var(--primary-color);
}

/* 9. 드롭다운 메뉴 */
nav.maskrun_main_nav li ul { 
    list-style: none; 
    position: absolute; 
    top: 100%; 
    left: 0; 
    background: var(--bg-primary); 
    border-radius: var(--border-radius); 
    opacity: 0; 
    pointer-events: none; 
    transform: translateY(-10px); 
    transition: all 0.25s ease; 
    min-width: 200px; 
    box-shadow: var(--shadow-lg); 
    border: 1px solid var(--border-color); 
    z-index: var(--z-dropdown); 
    overflow: hidden;
}

body.maskrun_dark_mode nav.maskrun_main_nav li ul { 
    background: #2e2e2e; 
    border-color: #444;
}

nav.maskrun_main_nav li:hover > ul { 
    opacity: 1; 
    transform: translateY(0); 
    pointer-events: auto;
}

nav.maskrun_main_nav li ul li a { 
    display: flex; 
    justify-content: flex-start; 
    align-items: center; 
    padding: 16px 20px; 
    color: var(--text-primary); 
    transition: all var(--transition-normal); 
    white-space: nowrap; 
    border-bottom: 1px solid var(--border-light);
}

nav.maskrun_main_nav li ul li:last-child a { border-bottom: none; }

body.maskrun_dark_mode nav.maskrun_main_nav li ul li a { 
    color: #f7f7f7; 
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

nav.maskrun_main_nav li ul li a:hover { 
    color: var(--primary-color); 
    background: none; 
    font-weight: 700;
}

/* 서브메뉴 */
nav.maskrun_main_nav li ul li ul { 
    top: 0; 
    left: 100%; 
    transform: translateX(0);
}

nav.maskrun_main_nav li ul li:hover > ul { 
    opacity: 1; 
    pointer-events: auto; 
    transform: translateX(0);
}

/* 네비게이션 닫기 버튼 */
nav.maskrun_main_nav .maskrun_nav_close { 
    position: absolute; 
    top: 15px; 
    right: 15px; 
    background: none; 
    border: none; 
    color: #999; 
    font-size: 1.5rem; 
    cursor: pointer; 
    display: none;
    padding: 5px;
    transition: color var(--transition-fast);
}

nav.maskrun_main_nav .maskrun_nav_close:hover { color: var(--text-primary); }
body.maskrun_dark_mode nav.maskrun_main_nav .maskrun_nav_close { color: #666; }
body.maskrun_dark_mode nav.maskrun_main_nav .maskrun_nav_close:hover { color: #fff; }

/* 10. 컨트롤 버튼들 */
.maskrun_controls { 
    display: flex; 
    flex-direction: row; 
    align-items: center; 
    gap: 5px; 
    position: relative;
}

/* 유저 버튼 활성 상태 */
.maskrun_controls button.maskrun_user_active {
    background: rgba(255, 90, 95, 0.1) !important;
    transform: scale(1.1) !important;
}

.maskrun_controls button.maskrun_user_active svg {
    stroke: var(--primary-color) !important;
    transform: scale(1.1) !important;
}

/* 11. 사용자 드롭다운 메뉴 */
.maskrun_user_menu_pop {
    position: absolute;
    left: 32px;
    top: 50px;
    transform: translateX(-50%) translateY(-10px);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    min-width: 160px;
    max-width: 190px;
    z-index: var(--z-dropdown);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    overflow: hidden;

}

body.maskrun_dark_mode .maskrun_user_menu_pop {
    background: #2e2e2e;
    box-shadow: 0 6px 24px rgba(0,0,0,0.3);
    border-color: #444;
}

.maskrun_user_menu_pop.maskrun_active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.maskrun_user_menu_pop .maskrun_menu_item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all var(--transition-normal);
    border: none;
    background: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    border-radius: 0;
    flex-direction: row;
    justify-content: flex-start;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    color: var(--text-primary);
}

.maskrun_user_menu_pop .maskrun_menu_item span {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

body.maskrun_dark_mode .maskrun_user_menu_pop .maskrun_menu_item { color: #f7f7f7; }

.maskrun_user_menu_pop .maskrun_menu_item:hover {
    background: var(--reply-bg);
    color: var(--primary-color);
    font-weight: 600;
}

body.maskrun_dark_mode .maskrun_user_menu_pop .maskrun_menu_item:hover {
    background: rgba(255, 90, 95, 0.1);
}

.maskrun_user_menu_pop .maskrun_menu_item svg {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    stroke: currentColor;
    stroke-width: 2;
}

/* 12. 다크/라이트 모드 아이콘 */
.maskrun_sun_icon { display: none; }
.maskrun_moon_icon { display: inline; }
.maskrun_dark_mode .maskrun_sun_icon { display: inline; }
.maskrun_dark_mode .maskrun_moon_icon { display: none; }

/* 13. 로그인 모달 - 개선된 버전 */
.maskrun_login_modal {
    position: fixed; 
    inset: 0;
    display: flex; 
    align-items: center; 
    justify-content: center;
    background: rgba(0, 0, 0, 0);
    z-index: var(--z-modal);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    backdrop-filter: blur(0px);
}

.maskrun_login_modal.maskrun_active { 
    opacity: 1;
    visibility: visible;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
}

.maskrun_login_body .maskrun_input_group:focus-within {
    transform: scale(1.015);
}

.maskrun_login_card {
    width: 100%; 
    max-width: 420px;
    background: var(--bg-primary); 
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    transition: all var(--transition-slow);
    position: relative;
    animation: maskrun_login_slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes maskrun_login_slideUp {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.maskrun_login_modal.maskrun_active .maskrun_login_card {
    transform: translateY(0) scale(1); 
    opacity: 1;
}

.maskrun_login_header {
    padding: 48px 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.maskrun_login_title { 
    font-weight: 400; 
    font-size: 28px; 
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.maskrun_login_logo {
    display: flex; 
    justify-content: center; 
    margin-bottom: 24px;
}

.maskrun_login_logo img {
    height: 52px;
    width: auto;
    max-width: 220px;
}

.maskrun_login_subtitle {
    font-size: 16px;
    color: #64748b;
    margin-bottom: 16px;
    font-weight: 400;
}

.maskrun_login_close {
    position: absolute;
    border: 0; 
    background: transparent; 
    cursor: pointer;
    padding: 12px; 
    border-radius: 50%; 
    right: 15px; 
    top: 15px;
    transition: all var(--transition-normal);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.maskrun_login_close:hover { 
    background: #f1f5f9; 
    transform: scale(1.1);
}

.maskrun_login_close svg {
    width: 18px;
    height: 18px;
    stroke: #64748b;
    stroke-width: 2;
    transition: all var(--transition-normal);
}

.maskrun_login_close:hover svg {
    stroke: var(--primary-color);
}

.maskrun_login_body { 
    padding: 0 40px 48px; 
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 모달용 입력 그룹 */
.maskrun_login_body .maskrun_input_group {
    position: relative;
    margin-bottom: 4px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.maskrun_input {
    width: 100%; 
    height: 56px;
    padding: 8px 20px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    color: #1e293b;
    background: var(--bg-primary); 
    outline: none; 
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.maskrun_input:focus {
    border-color: var(--primary-color);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.1);
    transform: translateY(-1px);
}

.maskrun_input::placeholder {
    color: transparent;
}

/* 모달용 플로팅 레이블 */
.maskrun_login_body .maskrun_input_label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: #94a3b8;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    background: var(--bg-primary);
    padding: 0 4px;
}

.maskrun_input:focus + .maskrun_input_label,
.maskrun_input:not(:placeholder-shown) + .maskrun_input_label {
    top: 0;
    transform: translateY(-50%) scale(0.85);
    color: var(--primary-color);
    font-weight: 600;
    left: 16px;
}

.maskrun_login_actions { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    margin-top: 0px;
    flex-wrap: wrap;
    gap: 16px;
}

/* 모달용 체크박스 */
.maskrun_login_checkbox_wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.maskrun_login_checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    margin-right: 12px;
    position: relative;
    transition: all 0.2s ease;
    background: #ffffff;
}

.maskrun_login_checkbox_input {
    opacity: 0;
    position: absolute;
    width: 0;
    height: 0;
}

.maskrun_login_checkbox_input:checked + .maskrun_login_checkbox {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.maskrun_login_checkbox_input:checked + .maskrun_login_checkbox::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.maskrun_login_checkbox_label {
    font-size: 14px;
    color: #374151;
}

.maskrun_login_submit {
    width: 100%; 
    height: 56px;
    border: 0; 
    cursor: pointer;
    border-radius: 12px; 
    font-weight: 600; 
    font-size: 16px;
    background: var(--primary-color); 
    color: #fff;
    transition: all var(--transition-normal);
    font-family: inherit;
    position: relative;
    overflow: hidden;
    margin-top: 8px;
}

.maskrun_login_submit:hover { 
    background: var(--primary-hover); 
    transform: translateY(-1px);
}

.maskrun_login_submit:active { 
    transform: translateY(0); 
}

.maskrun_login_submit:disabled {
    background: #94a3b8;
    cursor: not-allowed;
    transform: none;
}

.maskrun_login_util { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    margin-top: 0px; 
    font-size: 14px; 
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 16px;
}

.maskrun_login_util a { 
    color: var(--primary-color); 
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    position: relative;
}

.maskrun_login_util a:hover {
    color: var(--primary-hover);
}

.maskrun_login_util a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.maskrun_login_util a:hover::after {
    width: 100%;
}

/* 회원가입 섹션 */
.maskrun_login_signup_section {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
    margin-top: 16px;
}

.maskrun_login_signup_text {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 16px;
}

.maskrun_login_signup_link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 24px;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.maskrun_login_signup_link:hover {
    background: var(--primary-color);
    color: #ffffff;
}

/* 로딩 애니메이션 */
@keyframes maskrun_login_spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.maskrun_login_submit.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: maskrun_login_spin 1s linear infinite;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
}

/* 다크모드 지원 */
body.maskrun_dark_mode .maskrun_login_card {
    background: #1e293b;
    border-color: #334155;
}

body.maskrun_dark_mode .maskrun_login_title {
    color: #f1f5f9;
}

body.maskrun_dark_mode .maskrun_login_subtitle {
    color: #94a3b8;
}

body.maskrun_dark_mode .maskrun_input {
    background: #334155;
    border-color: #475569;
    color: #f1f5f9;
}

body.maskrun_dark_mode .maskrun_input:focus {
    background: #334155;
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.2);
}

body.maskrun_dark_mode .maskrun_login_body .maskrun_input_label {
    color: #94a3b8;
    background: #1e293b;
}

body.maskrun_dark_mode .maskrun_input:focus + .maskrun_input_label,
body.maskrun_dark_mode .maskrun_input:not(:placeholder-shown) + .maskrun_input_label {
    background: #1e293b;
}

body.maskrun_dark_mode .maskrun_login_checkbox {
    background: #334155;
    border-color: #475569;
}

body.maskrun_dark_mode .maskrun_login_checkbox_label {
    color: #cbd5e1;
}

body.maskrun_dark_mode .maskrun_login_signup_section {
    border-top-color: #334155;
}

body.maskrun_dark_mode .maskrun_login_signup_text {
    color: #94a3b8;
}

body.maskrun_dark_mode .maskrun_login_close:hover {
    background: #334155;
}

@media (max-width: 480px) {
    .maskrun_login_card {
        max-width: 100%;
        margin: 16px;
    }
    
    .maskrun_login_header {
        padding: 32px 24px 0;
    }
    
    .maskrun_login_body {
        padding: 0 24px 32px;
    }
    
    .maskrun_login_title {
        font-size: 24px;
    }
    
    .maskrun_login_logo img {
        height: 44px;
    }
    
    .maskrun_input,
    .maskrun_login_submit {
        height: 52px;
    }
    
    .maskrun_login_util {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 14. 검색 오버레이 */
.maskrun_search_overlay {
    position: fixed;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

body.maskrun_dark_mode .maskrun_search_overlay {
    background: rgba(30, 30, 47, 0.98);
}

.maskrun_search_overlay.maskrun_active {
    opacity: 1;
    visibility: visible;
}

.maskrun_search_header {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9);
}

body.maskrun_dark_mode .maskrun_search_header {
    background: rgba(42, 42, 42, 0.9);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.maskrun_search_input_container {
    flex: 1;
    position: relative;
    margin-right: 20px;
}

.maskrun_search_input {
    width: 100%;
    border: none;
    background: #f8f9fa;
    border-radius: 25px;
    padding: 15px 50px 15px 20px;
    font-size: 1.1rem;
    outline: none;
    transition: all var(--transition-normal);
}

body.maskrun_dark_mode .maskrun_search_input {
    background: #3a3a3a;
    color: #f7f7f7;
}

.maskrun_search_input:focus {
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.1);
}

body.maskrun_dark_mode .maskrun_search_input:focus {
    background: #4a4a4a;
}

.maskrun_search_input::placeholder { color: #999; }

.maskrun_search_submit {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.maskrun_search_submit:hover {
    background: var(--primary-hover);
    transform: translateY(-50%) scale(1.1);
}

.maskrun_search_submit svg {
    stroke: #fff;
    stroke-width: 3;
    stroke-linecap: round;
    fill: none;
    width: 16px;
    height: 16px;
}

.maskrun_search_close svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-primary);
    stroke-width: 2;
    transition: all var(--transition-normal);
}

body.maskrun_dark_mode .maskrun_search_close svg { stroke: #f7f7f7; }

.maskrun_search_content {
    flex: 1;
    padding: 30px 20px;
    overflow-y: auto;
}

.maskrun_search_section {
    margin: 40px auto;
    max-width: 800px;
    width: 100%;
}

.maskrun_search_section_title {
    font-size: 1rem;
    font-weight: 600;
    color: #666;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

body.maskrun_dark_mode .maskrun_search_section_title { color: #9ca3af; }

.maskrun_search_section_title svg {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    stroke: currentColor;
    stroke-width: 2;
}

.maskrun_search_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.maskrun_search_tag {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.9rem;
    color: #495057;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

body.maskrun_dark_mode .maskrun_search_tag {
    background: #3a3a3a;
    border-color: #555;
    color: #d1d5db;
}

.maskrun_search_tag:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* 15. 사이드바 */
.maskrun_sidebar { 
    position: fixed; 
    top: 0; 
    left: -340px; 
    width: 320px; 
    height: 100vh; 
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); 
    padding: 0; 
    transition: left var(--transition-slow); 
    z-index: var(--z-overlay); 
    overflow-y: auto; 
    -webkit-overflow-scrolling: touch;
}

.maskrun_sidebar_overlay { 
    display: none; 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: rgba(0,0,0,0.4); 
    z-index: var(--z-sidebar); 
    opacity: 0; 
    transition: opacity var(--transition-normal);
}

.maskrun_sidebar_overlay.maskrun_active { 
    display: block; 
    opacity: 1;
}

body.maskrun_sidebar_open header, 
body.maskrun_sidebar_open .maskrun_container { 
    pointer-events: none;
}

body.maskrun_sidebar_open .maskrun_sidebar { 
    filter: none; 
    pointer-events: auto;
}

body.maskrun_dark_mode .maskrun_sidebar { 
    background: linear-gradient(135deg, #2a2a2a 0%, #1e1e2f 100%); 
    box-shadow: 8px 0 32px rgba(0,0,0,0.4);
}

.maskrun_sidebar.maskrun_active { left: 0; }

.maskrun_sidebar .maskrun_close_btn { 
    padding: 24px 24px 16px 24px; 
    text-align: right; 
    border-bottom: 1px solid rgba(0,0,0,0.08); 
    margin-bottom: 0;
}

body.maskrun_dark_mode .maskrun_sidebar .maskrun_close_btn { 
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.maskrun_sidebar .maskrun_close_btn button { 
    background: none; 
    border: none; 
    color: #999; 
    font-size: 1.5rem; 
    cursor: pointer; 
    padding: 5px; 
    transition: color var(--transition-normal);
}

.maskrun_sidebar .maskrun_close_btn button:hover { color: var(--text-primary); }
body.maskrun_dark_mode .maskrun_sidebar .maskrun_close_btn button { color: #666; }
body.maskrun_dark_mode .maskrun_sidebar .maskrun_close_btn button:hover { color: #fff; }

.maskrun_sidebar .maskrun_sidebar_header { 
    padding: 24px; 
    border-bottom: 1px solid rgba(0,0,0,0.08); 
    margin-bottom: 16px;
}

body.maskrun_dark_mode .maskrun_sidebar .maskrun_sidebar_header { 
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.maskrun_sidebar .maskrun_sidebar_title { 
    font-size: 1.25rem; 
    font-weight: 400; 
    color: var(--text-primary); 
    margin-bottom: 4px;
}

body.maskrun_dark_mode .maskrun_sidebar .maskrun_sidebar_title { color: #f7f7f7; }

.maskrun_sidebar .maskrun_sidebar_subtitle { 
    font-size: 0.875rem; 
    color: #6b7280; 
    font-weight: 400;
}

body.maskrun_dark_mode .maskrun_sidebar .maskrun_sidebar_subtitle { color: #9ca3af; }

.maskrun_sidebar ul { 
    list-style: none; 
    padding: 0 16px 24px 16px;
}

.maskrun_sidebar ul li { margin-bottom: 8px; }

.maskrun_sidebar ul li a { 
    display: flex; 
    align-items: center; 
    padding: 16px 20px; 
    color: #374151;  
    border-radius: var(--border-radius-lg); 
    transition: all var(--transition-slow); 
    text-decoration: none; 
    position: relative; 
    overflow: hidden;
}

body.maskrun_dark_mode .maskrun_sidebar ul li a { color: #d1d5db; }

.maskrun_sidebar ul li a:before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: -100%; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); 
    transition: left 0.5s ease;
}

.maskrun_sidebar ul li a:hover:before { left: 100%; }

.maskrun_sidebar ul li a:hover { 
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff7a80 100%); 
    color: #fff; 
    transform: translateX(8px) scale(1.02); 
    box-shadow: 0 8px 25px rgba(255, 90, 95, 0.3);
}

.maskrun_sidebar ul li a .maskrun_icon { 
    width: 20px; 
    height: 20px; 
    margin-right: 16px; 
    stroke: currentColor; 
    stroke-width: 2; 
    fill: none; 
    transition: transform var(--transition-normal);
}

.maskrun_sidebar ul li a:hover .maskrun_icon { transform: scale(1.1); }

/* 16. 메인 컨테이너 */
.maskrun_container { 
    max-width: var(--container-max-width); 
    margin: 0 max(20px, calc((100vw - var(--container-max-width))/2)); 
    display: flex; 
    flex-direction: row; 
    gap: 20px; 
    padding-top: 91px;
}

.maskrun_container_main {
    width: calc(100% - var(--sidebar-width));
    color: var(--text-primary);
    margin-top: 20px;
}

body.maskrun_dark_mode .maskrun_container { background-color: #2a2a2a; }

/* 17. 왼쪽 메뉴 사이드바 */
.maskrun_leftmenu_box {
    width: var(--sidebar-width); 
    padding: 20px 0; 
    min-height: calc(100vh - 91px); 
    display: flex; 
    flex-direction: column; 
    gap: 20px;
}

.maskrun_leftmenu {
    width: var(--sidebar-width);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    padding: 16px;
    color: var(--text-primary);	
}

.maskrun_leftmenu_title {
    font-size: 16px;
    font-weight: 400;
    margin: 4px 8px 12px;
    text-align: center;
}

.maskrun_leftmenu_menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 6px;
}

.maskrun_leftmenu_item { margin: 0; }

.maskrun_leftmenu_link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    background-color: transparent;
	max-width: 225px;
    width: 100%;
    overflow: hidden;
}

.maskrun_leftmenu_link:hover {
    background: var(--reply-bg);
    color: var(--maskrun_bbs_primary);
	font-weight: 600;
}

.maskrun_leftmenu_link.is_active {
    background: var(--reply-bg);
    color: var(--primary-color);
    font-weight: 600;
}

body.maskrun_dark_mode .maskrun_leftmenu_link { color: #d1d5db; }
body.maskrun_dark_mode .maskrun_leftmenu_link:hover {
    background: rgba(255, 90, 95, 0.1);
    color: #f7f7f7;
}
body.maskrun_dark_mode .maskrun_leftmenu_link.is_active {
    background: rgba(255, 90, 95, 0.2);
    color: #ff7a80;
}

.maskrun_leftmenu_text { 
	font-size: 14px;
	text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;}

.maskrun_leftmenu_chev {
    opacity: .55;
    display: flex;
}

.maskrun_leftmenu_chev svg {
    width: 18px; 
    height: 18px;
    stroke-width: 1.8;
}

.maskrun_leftmenu_badge {
    font-size: 12px;
    padding: 4px 8px;
	min-width: 40px;
    text-align: center;
    border-radius: 999px;
    background: var(--bg-primary);
    color: var(--primary-color);
    font-weight: 400;
}

/* 18. 사용자 프로필 카드 */
.maskrun_user_profile_card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    transition: all var(--transition-normal);
}

.maskrun_user_profile_card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.maskrun_user_header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.maskrun_user_avatar {
    width: 48px;
    height: 48px;
	min-width: 48px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    overflow: hidden;
}

.maskrun_user_avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.maskrun_user_avatar svg {
    width: 24px;
    height: 24px;
    stroke: var(--text-secondary);
    stroke-width: 2;
}

.maskrun_user_info{
	display: flex;
    flex-direction: column;
    overflow: hidden;
}

.maskrun_user_info p {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: block;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.maskrun_user_level {
    font-size: 12px;
}

.maskrun_user_stats { margin-bottom: 16px; }

.maskrun_level_info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.maskrun_level_badge {
    background-color: var(--primary-color);
    color: white;
    padding: 4px 10px;
    border-radius: var(--border-radius);
    font-size: 11px;
    font-weight: 600;
}

.maskrun_points {
    font-size: 12px;
    color: var(--text-secondary);
}

.maskrun_points .points_value {
    color: var(--primary-color);
    font-weight: 600;
}

.maskrun_progress_container { margin-bottom: 12px; }

.maskrun_progress_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 11px;
}

.maskrun_progress_label {
    color: var(--text-secondary);
}

.maskrun_progress_bar {
    position: relative;
    width: 100%;
    height: 18px;
    background: var(--bg-tertiary);
    border-radius: 9px;
    overflow: hidden;
    margin-bottom: 6px;
}

.maskrun_progress_percent {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9), 0 0 4px rgba(255, 255, 255, 0.6);
    pointer-events: none;
}

body.maskrun_dark_mode .maskrun_progress_percent {
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8), 0 0 4px rgba(0, 0, 0, 0.6);
}

.maskrun_progress_fill {
    height: 100%;
    background: linear-gradient(90deg, #ff8a8f, #ff5a5f);
    border-radius: 3px;
    transition: width var(--transition-normal);
}

.maskrun_next_level {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

.maskrun_user_actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.maskrun_action_btn {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: #475569;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.maskrun_action_btn:hover {
    background: var(--bg-secondary);
    border-color: #cbd5e1;
    color: var(--text-primary);
    transform: translateY(-1px);
}

.maskrun_action_btn.primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.maskrun_action_btn.primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.maskrun_logout_btn {
    width: 100%;
    padding: 8px;
    margin-top: 8px;
    display: block;
    background: var(--bg-primary);
    border: 1px solid var(--danger-border, #fecaca);
    border-radius: 8px;
    color: var(--danger-color);
    font-size: 12px;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.maskrun_logout_btn:hover {
    background: var(--danger-bg, #fef2f2);
    border-color: #fca5a5;
    color: #b91c1c;
}

/* 다크모드 사용자 프로필 카드 */
body.maskrun_dark_mode .maskrun_user_profile_card {
    background: #2a2a2a;
    border-color: #404040;
}

body.maskrun_dark_mode .maskrun_user_info p { color: #f7f7f7; }
body.maskrun_dark_mode .maskrun_user_avatar { background: #404040; }
body.maskrun_dark_mode .maskrun_user_avatar svg { stroke: #9ca3af; }

body.maskrun_dark_mode .maskrun_action_btn {
    background: #3a3a3a;
    border-color: #555555;
    color: #d1d5db;
}

body.maskrun_dark_mode .maskrun_action_btn:hover {
    background: #4a4a4a;
    border-color: #666666;
    color: #f7f7f7;
}

body.maskrun_dark_mode .maskrun_logout_btn {
    background: #3a3a3a;
    border-color: #555555;
}

body.maskrun_dark_mode .maskrun_logout_btn:hover {
    background: #4a4a4a;
    border-color: #666666;
}

/* 19. 오버레이 및 네비게이션 상태 */
.maskrun_nav_overlay { 
    display: none; 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: rgba(0,0,0,0.4); 
    z-index: var(--z-sidebar); 
}

.maskrun_nav_overlay.maskrun_active { display: block; }

/* 푸터 하단 */
.maskrun_footer {
	border-top: 1px solid var(--border-color);
}

.maskrun_footer_bottom {
	position: relative;
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 16px;
	padding: 30px 20px;
	margin-inline: auto;
	max-width: var(--container-max-width);
}

.maskrun_footer_copyright {
    font-size: 13px;
    color: var(--text-muted);
}

.maskrun_footer_legal {
    display: flex;
    column-gap: 24px;
    align-items: center;
    flex-wrap: wrap;
}

.maskrun_footer_legal a {
    font-size: 13px;
	height:26px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.maskrun_footer_legal a:hover {
    color: var(--primary-color);
}

.maskrun_footer_legal a.privacy {
    font-weight: 900;
}

.maskrun_footer_legal a::after {
    content: '';
    position: absolute;
    right: -13px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--border-color);
}

.maskrun_footer_legal a:last-child::after {
    display: none;
}

/* 상단으로 이동 버튼 */
.maskrun_back_to_top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 90, 95, 0.3);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 100;
}

.maskrun_back_to_top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.maskrun_back_to_top:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 90, 95, 0.4);
}

.maskrun_back_to_top svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2.5;
    fill: none;
}

/* 다크모드 푸터 */
body.maskrun_dark_mode .maskrun_footer {
    background: linear-gradient(135deg, #2a2a2a 0%, #1e1e2f 100%);
    border-top-color: #404040;
}

body.maskrun_dark_mode .maskrun_footer_section_title {
    color: #f7f7f7;
}

body.maskrun_dark_mode .maskrun_footer_links a {
    color: #9ca3af;
}

body.maskrun_dark_mode .maskrun_footer_links a:hover {
    color: #ff7a80;
}

body.maskrun_dark_mode .maskrun_footer_description {
    color: #9ca3af;
}

body.maskrun_dark_mode .maskrun_footer_social_item {
    background: #333333;
    border-color: #555555;
}

body.maskrun_dark_mode .maskrun_footer_newsletter_input {
    background: #333333;
    border-color: #555555;
    color: #f7f7f7;
}

body.maskrun_dark_mode .maskrun_footer_newsletter_title {
    color: #f7f7f7;
}

body.maskrun_dark_mode .maskrun_footer_bottom {
    border-top-color: #404040;
}

body.maskrun_dark_mode .maskrun_footer_copyright {
    color: #6b7280;
}

body.maskrun_dark_mode .maskrun_footer_legal a {
    color: #9ca3af;
}

body.maskrun_dark_mode .maskrun_footer_legal a:hover {
    color: #ff7a80;
}

body.maskrun_dark_mode .maskrun_footer_legal a.privacy {
    color: #ff7a80;
}


/* 20. 반응형 디자인 */

/* PC 전용 스타일 (768px 이상) */
@media (min-width: 768px) { 
    .maskrun_hamburger, 
    #maskrun_mode_toggle, 
    #maskrun_sidebar_toggle { 
        display: none !important; 
    } 
    
    .maskrun_nav_overlay, 
    nav.maskrun_main_nav.maskrun_active .maskrun_nav_close { 
        display: none !important; 
    }
    
    nav.maskrun_main_nav > ul > li > a.maskrun_has_sub::after { display: none !important; }
    
    nav.maskrun_main_nav li ul li a.maskrun_has_sub::after {
        content: "";
        position: absolute;
        top: 50%;
        right: 12px;
        width: 7px;
        height: 7px;
        border-bottom: 2px solid #999;
        border-right: 2px solid #999;
        transform: translateY(-50%) rotate(315deg);
        transition: border-color var(--transition-fast), transform var(--transition-fast);
        pointer-events: none;
    }
    
    nav.maskrun_main_nav li ul li:hover > a.maskrun_has_sub::after {
        transform: translateY(-50%) rotate(135deg);
        border-bottom-color: var(--primary-color);
        border-right-color: var(--primary-color);
    }

    nav.maskrun_main_nav li:hover > a.maskrun_has_sub {
        color: var(--primary-color);
        font-weight: 700;
    }
    
    nav.maskrun_main_nav li.maskrun_open > a.maskrun_has_sub {
        color: inherit !important;
        font-weight: 600 !important;
    }
    
    nav.maskrun_main_nav li.maskrun_open > ul {
        opacity: 0 !important;
        pointer-events: none !important;
        transform: translateY(-10px) !important;
    }
}

/* 태블릿 (950px 이하) */
@media (max-width: 950px) {
    .maskrun_leftmenu_box { display: none; }
    .maskrun_container { margin: 0 max(0px, calc((100vw - 1600px) / 2)); }
    .maskrun_container_main { max-width: 1600px; width: 100%; }
}

/* 모바일 (768px 이하) */
@media (max-width: 768px) {
    #maskrun_mode_toggle, 
    #maskrun_sidebar_toggle, 
    .maskrun_leftmenu_box { display: none; }
    
    .maskrun_controls button, 
    .maskrun_hamburger { width: 38px; height: 38px; }
    
    .maskrun_logo img { max-height: 34px; }
    
    nav.maskrun_main_nav { 
        position: fixed; 
        top: 0; 
        left: -100%; 
        width: 80%; 
        max-width: 260px; 
        height: 100%; 
        background: var(--bg-primary); 
        z-index: calc(var(--z-sidebar) + 100); 
        overflow-y: auto; 
        padding: 60px 20px 20px; 
        box-shadow: 4px 0 20px rgba(0,0,0,0.3); 
        flex-direction: column; 
        transition: left var(--transition-normal);
        justify-content: flex-start !important;
        -webkit-overflow-scrolling: touch;
    }
    
    body.maskrun_dark_mode nav.maskrun_main_nav { background: #2a2a2a; }
    nav.maskrun_main_nav.maskrun_active { left: 0; }
    nav.maskrun_main_nav.maskrun_active .maskrun_nav_close { display: flex; }
    nav.maskrun_main_nav > ul { flex-direction: column; gap: 0; }
    nav.maskrun_main_nav > ul > li { width: 100%; }
    
    nav.maskrun_main_nav li ul { 
        position: static; 
        opacity: 1; 
        transform: none; 
        pointer-events: auto; 
        max-height: 0; 
        overflow: hidden; 
        transition: max-height var(--transition-normal); 
        border: none; 
        box-shadow: none; 
        background: none;
        border-radius: 0;
    }
    
    nav.maskrun_main_nav li.maskrun_open > ul { max-height: 1000px; width: 100%; }
    
    nav.maskrun_main_nav li ul li a {
        padding: 9px 20px; 
        font-size: 0.9rem; 
        color: #666;
        background: none;
        border-bottom: 1px solid #f2f2f2;
    }
    
    nav.maskrun_main_nav ul ul ul li > a { font-size: 0.82rem; }
    nav.maskrun_main_nav li ul li a:hover { color: var(--primary-color); background: none; }
    nav.maskrun_main_nav li ul li ul { padding-left: 5px; }

    nav.maskrun_main_nav li ul li a::before {
        content: "▸";
        margin-right: 6px;
        font-size: 0.75rem;
        transition: all var(--transition-normal);
        opacity: 0.7;
    }

    nav.maskrun_main_nav li ul li ul li a::before {
        content: "▪";
        margin-right: 5px;
        font-size: 0.7rem;
    }

    nav.maskrun_main_nav li ul li ul li ul li a::before {
        content: "-";
        margin-right: 8px;
        margin-left: 12px;
        font-size: 0.7rem;
        opacity: 0.6;
    }

    nav.maskrun_main_nav li ul li a:hover::before,
    nav.maskrun_main_nav li ul li ul li a:hover::before,
    nav.maskrun_main_nav li ul li ul li ul li a:hover::before {
        opacity: 1;
        transform: scale(1.2);
    }

    body.maskrun_dark_mode nav.maskrun_main_nav li ul li a::before,
    body.maskrun_dark_mode nav.maskrun_main_nav li ul li ul li a::before,
    body.maskrun_dark_mode nav.maskrun_main_nav li ul li ul li ul li a::before {
        color: #ff7a80;
    }

    nav.maskrun_main_nav a.maskrun_has_sub::after {
        content: "";
        position: absolute;
        top: 12px;
        right: 18px;
        width: 9px;
        height: 9px;
        border-bottom: 2.2px solid #999;
        border-right: 2.2px solid #999;
        border-radius: 0 0 2px 0;
        transform: rotate(45deg);
        background: transparent;
        pointer-events: none;
        transition: border-color var(--transition-fast), transform var(--transition-fast);
    }
    
    nav.maskrun_main_nav li ul li a.maskrun_has_sub::after {
        width: 7px;
        height: 7px;
        border-bottom: 1.8px solid #999;
        border-right: 1.8px solid #999;
        top: 11px;
        right: 15px;
    }
    
    nav.maskrun_main_nav li ul li ul li a.maskrun_has_sub::after {
        width: 6px;
        height: 6px;
        border-bottom: 1.5px solid #999;
        border-right: 1.5px solid #999;
        top: 11px;
        right: 12px;
    }
    
    body.maskrun_dark_mode nav.maskrun_main_nav a.maskrun_has_sub::after {
        border-bottom-color: #fff;
        border-right-color: #fff;
    }
    
    nav.maskrun_main_nav li.maskrun_open > a.maskrun_has_sub::after {
        transform: rotate(225deg);
        top: 15px;
        border-bottom-color: var(--primary-color);
        border-right-color: var(--primary-color);
    }
    
    nav.maskrun_main_nav li ul li.maskrun_open > a.maskrun_has_sub::after { top: 13px; }
    nav.maskrun_main_nav li ul li ul li.maskrun_open > a.maskrun_has_sub::after { top: 13px; }
    
    nav.maskrun_main_nav > ul > li > a {
        position: relative;
        display: block;
        font-size: 1.08rem;
    }
    
    nav.maskrun_main_nav > ul > li.maskrun_open > a {
        color: var(--primary-color);
    }
    
    nav.maskrun_main_nav li ul li.maskrun_open > a {
        color: var(--primary-color);
        background: none;
    }

    .maskrun_search_header { padding: 15px; }
    .maskrun_search_input { font-size: 1rem; padding: 12px 45px 12px 18px; }
    .maskrun_search_content { padding: 20px 15px; }
    .maskrun_search_section { margin-bottom: 30px; }
    .maskrun_search_tag { font-size: 0.85rem; padding: 6px 12px; }
    .maskrun_user_profile_card { max-width: 100%; margin: 0; }
}

/* 21. 접근성 및 성능 최적화 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.maskrun_sidebar,
.maskrun_login_modal,
.maskrun_search_overlay,
nav.maskrun_main_nav {
    will-change: transform;
}

/* 22. 애니메이션 */
@keyframes maskrun_slide_down {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes maskrun_slide_up {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}