/* ==========================================================================
   Navigation Bar Styles
   - 상단 메인 네비게이션 바 디자인
   ========================================================================== */

/* .navbar {
    min-height: 40px !important;
    height: 40px !important;
    flex-shrink: 0 !important;
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
    position: sticky !important;
    top: 0 !important;
    z-index: 20000 !important;
    overflow: visible !important;
}

.navbar .container-fluid {
    min-height: inherit !important;
    height: inherit !important;
    display: flex !important;
    align-items: center !important;
    width: 100%;
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
    box-sizing: border-box;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 6px;
    padding: 8px 12px !important;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white !important;
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: white !important;
} */

/* 네비게이션 스타일 (Premium) */
.navbar {
    background: var(--gradient-primary, linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%));
    border-bottom: none;
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
    position: relative;
    /* z-index는 z-index-system.css에서 관리 (6000) */
    min-height: 40px; /* Increased height for premium feel */
    transition: var(--transition-base, all 0.2s ease);
    padding: 0.3rem 0;
    margin-bottom: 0 !important; /* 네비게이션바와 본문 사이 공간 제거 */
    margin-top: 0 !important;
}

.navbar-brand {
    color: white !important;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-full, 9999px);
    margin: 1 1 1 1 rem;
}

.navbar-nav .nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.25);
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-nav .nav-link i {
    margin-right: 0.5rem;
    opacity: 0.9;
}

/* 로그인 버튼 */
#login-btn:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-color: white !important;
    transform: translateY(-1px);
}

#login-btn:active {
    transform: translateY(0);
}

/* 다크 모드 스타일 */
body.theme-dark .navbar,
body.theme-dark nav.navbar {
    background: linear-gradient(135deg, #1e1b4b, #312e81) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
}

/* 모바일에서 네비게이션 바 완전히 투명 */
@media (max-width: 991.98px) {
    nav.navbar,
    .navbar {
        background: transparent !important;
        background-color: transparent !important;
        background-image: none !important;
        box-shadow: none !important;
        border-bottom: none !important;
    }
    
    body.theme-dark nav.navbar,
    body.theme-dark .navbar {
        background: transparent !important;
        background-color: transparent !important;
        background-image: none !important;
        box-shadow: none !important;
        border-bottom: none !important;
    }
}

/* 드롭다운 메뉴 */
.dropdown-menu {
    border: 1px solid var(--slate-100, #f1f5f9);
    box-shadow: var(--shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
    border-radius: var(--radius-lg, 0.75rem);
    padding: 0.5rem;
    margin-top: 0.5rem;
    animation: fadeInDown 0.2s ease-out;
}

.dropdown-item {
    padding: 0.6rem 1rem;
    color: var(--slate-700, #334155);
    border-radius: var(--radius-md, 0.375rem);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background-color: var(--slate-50, #f8fafc);
    color: var(--primary-600, #4f46e5);
    transform: translateX(2px);
}

.dropdown-item i {
    margin-right: 0.75rem;
    width: 16px;
    text-align: center;
    color: var(--slate-400, #94a3b8);
}

.dropdown-item:hover i {
    color: var(--primary-500, #6366f1);
}

.dropdown-divider {
    margin: 0.5rem 0;
    border-color: var(--slate-100, #f1f5f9);
}

/* 로그인 버튼 */
#login-btn {
    background-color: rgba(255, 255, 255, 0.15) !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white !important;
    font-weight: 600;
    border-radius: var(--radius-full, 9999px);
    padding: 0.5rem 1.25rem;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

#login-btn:hover {
    background-color: white !important;
    border-color: white;
    color: var(--primary-600, #4f46e5) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 사용자 메뉴 버튼 */
.navbar button#userMenuButton.btn.btn-outline-light.btn-sm.dropdown-toggle {
    border-radius: var(--radius-full, 9999px);
    padding: 0.4rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.navbar button#userMenuButton:hover,
.navbar button#userMenuButton:focus {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: white !important;
    transform: translateY(-1px);
}

/* 네비게이션 메뉴 표시 보장 */
.navbar-nav.mx-auto {
    display: flex !important;
    visibility: visible !important;
}

body.chart-active .navbar-nav.mx-auto,
.section-container.active#chart-section ~ nav .navbar-nav.mx-auto {
    display: flex !important;
    visibility: visible !important;
}

/* Dropdown Positioning Fix */
.navbar .dropdown-menu.show {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: absolute !important;
    top: 100% !important;
    right: 0 !important;
    left: auto !important;
    transform: translateY(10px) !important;
    /* z-index는 z-index-system.css에서 관리 (6001) */
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Navbar Dropdown Styles
   ========================================================================== */

/* Navbar dropdown가 섹션 위로 올라오도록 z-index 보정 */
.navbar .dropdown {
    position: relative !important;
    overflow: visible !important;
}

.navbar .dropdown-menu {
    /* z-index는 z-index-system.css에서 관리 (6001) */
    position: absolute !important;
    right: 0 !important;
    left: auto !important;
    top: 100% !important;
    transform: translateY(0) !important;
    opacity: 0;
    visibility: hidden;
    pointer-events: auto !important;
    min-width: 14rem;
}

/* Bootstrap show 상태에서 확실히 노출 */
.navbar .dropdown-menu.show {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}