/**
 * 웨딩 테마 사이드바 토글 스타일
 * 웨딩 테마에 맞는 로맨틱한 디자인 적용
 */

/* 웨딩 테마 토글 버튼 */
.sidebar-toggle-btn {
    background: linear-gradient(135deg, #fff5f7 0%, #ffffff 100%);
    border: 2px solid #e8b4b8;
    box-shadow: 0 3px 10px rgba(232, 180, 184, 0.2);
}

.sidebar-toggle-btn:hover {
    background: linear-gradient(135deg, #ffeef2 0%, #fff5f7 100%);
    border-color: #b8406a;
    box-shadow: 0 5px 15px rgba(184, 64, 106, 0.3);
}

.sidebar-toggle-btn i {
    color: #b8406a;
}

.sidebar-toggle-btn:hover i {
    color: #8f2f52;
}

/* 접힌 상태 로고 아이콘 스타일 */
.sidebar.collapsed .logo-icon {
    width: 44px !important;
    height: 44px !important;
    background: linear-gradient(135deg, #fff5f7 0%, #ffffff 100%);
    border: 2px solid #e8b4b8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 3px 10px rgba(232, 180, 184, 0.2);
    animation: heartbeat 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

.sidebar.collapsed .logo-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(184, 64, 106, 0.3);
    border-color: #b8406a;
}

.sidebar.collapsed .logo-icon i.bi-hearts {
    font-size: 20px !important;
    line-height: 1;
    color: #b8406a !important;
    background: none !important;
    -webkit-text-fill-color: #b8406a !important;
    margin: 0;
    padding: 0;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.05); }
    20% { transform: scale(0.95); }
}

/* 접힌 상태 메뉴 호버 효과 */
.sidebar.collapsed .nav-link:hover {
    background: linear-gradient(90deg, rgba(232, 180, 184, 0.1) 0%, rgba(184, 64, 106, 0.1) 100%);
}

.sidebar.collapsed .nav-link:hover i {
    color: #b8406a;
    transform: scale(1.1);
}

/* 툴팁 웨딩 스타일 */
.sidebar.collapsed .nav-item:hover::after {
    background: linear-gradient(135deg, #b8406a 0%, #8f2f52 100%);
    box-shadow: 0 4px 12px rgba(184, 64, 106, 0.3);
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
}

.sidebar.collapsed .nav-item:hover::before {
    border-right-color: #b8406a;
}

/* 활성 메뉴 표시 (접힌 상태) */
.sidebar.collapsed .nav-link.active {
    background: linear-gradient(90deg, rgba(232, 180, 184, 0.2) 0%, transparent 100%);
    position: relative;
}

.sidebar.collapsed .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: linear-gradient(180deg, #b8406a 0%, #e8b4b8 100%);
    border-radius: 0 2px 2px 0;
}

/* 오버레이 웨딩 스타일 */
.sidebar-overlay {
    background: linear-gradient(135deg, rgba(184, 64, 106, 0.4) 0%, rgba(232, 180, 184, 0.4) 100%);
    backdrop-filter: blur(5px);
}

/* 전환 애니메이션 개선 */
.sidebar {
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                min-width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar * {
    transition: opacity 0.3s ease,
                transform 0.3s ease,
                margin 0.3s ease;
}

/* 접힌 상태 전환 시 페이드 효과 */
.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-menu span,
.sidebar.collapsed .submenu-arrow {
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* 확장 상태 전환 시 페이드 효과 */
.sidebar:not(.collapsed) .logo-text,
.sidebar:not(.collapsed) .nav-menu span,
.sidebar:not(.collapsed) .submenu-arrow {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

/* 모바일 웨딩 스타일 */
@media (max-width: 991px) {
    .sidebar-toggle-btn {
        position: fixed;
        top: 20px;
        left: 20px;
        z-index: 1001;
        width: 40px;
        height: 40px;
        box-shadow: 0 4px 15px rgba(184, 64, 106, 0.3);
    }
    
    body.sidebar-open .sidebar-toggle-btn {
        left: 300px;
    }
    
    .sidebar-toggle-btn i {
        font-size: 18px;
    }
}

/* 특별한 효과: 하트 파티클 (옵션) */
@keyframes float-heart {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.4;
    }
    100% {
        transform: translateY(0) rotate(360deg);
        opacity: 0.8;
    }
}

.sidebar-toggle-btn::after {
    content: '♥';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 10px;
    color: #e8b4b8;
    animation: float-heart 3s ease-in-out infinite;
    pointer-events: none;
}

/* 접근성 개선 */
.sidebar-toggle-btn:focus-visible {
    outline: 3px solid #b8406a;
    outline-offset: 3px;
}

/* 고대비 모드 지원 */
@media (prefers-contrast: high) {
    .sidebar-toggle-btn {
        border-width: 3px;
        border-color: #8f2f52;
    }
    
    .sidebar-toggle-btn i {
        color: #8f2f52;
        font-weight: bold;
    }
}

/* 움직임 감소 모드 지원 */
@media (prefers-reduced-motion: reduce) {
    .sidebar,
    .sidebar * {
        transition-duration: 0.01ms !important;
    }
    
    .sidebar-toggle-btn::after {
        animation: none;
    }
    
    .sidebar.collapsed .logo-icon {
        animation: none;
    }
}