/* Common side menu styles consolidated from aboutme.css and main_style.css */
.side_menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    border-left: 4px solid #000;
    z-index: 2000;
    transition: right 1.2s;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 48px 32px 32px 32px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.7);
}

/* visible state */
.side_menu.on {
    right: 0;
    display: flex !important;
}

.side_menu.close {
    right: -400px;
}

.side_menu .close_btn,
.close_btn {
    position: absolute;
    right: 32px;
    top: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    width: 80px;
    height: 80px;
}

.side_menu .close_btn {
    transition: transform 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    pointer-events: auto;
}

.side_menu .close_btn:hover {
    transform: rotate(180deg);
}

.side_menu .tit_menu {
    font-size: 60px;
    font-weight: 800;
    color: #02b389;
}

.side_menu ul.menu_list {
    margin-top: 30px;
}

.side_menu ul.menu_list>li>a,
.side_menu ul.menu_list>li span {
    font-size: 32px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    transition: color .2s;
    cursor: pointer;
    display: block;
}

.side_menu ul.menu_list>li:hover span,
.side_menu ul.menu_list>li:hover>a,
.side_menu ul.menu_list>li>a:focus {
    color: #dd599f;
}

.side_menu ul.menu_list>li>ul>li,
.side_menu .menu ul.menu_list>li>ul>li,
.side_menu ul.menu_list>li>ul>li {
    font-size: 24px;
    font-weight: 400;
    color: #484848;
    margin-bottom: 20px;
    padding-left: 10px;
}

.side_menu ul.menu_list>li>ul>li:hover,
.side_menu .menu ul.menu_list>li>ul>li:hover {
    font-weight: 600;
}

.side_menu ul.menu_list>li>ul>li:hover>a::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 8px;
    background-image: url(../assets/svg/main_obj/dotory_a.svg);
    background-repeat: no-repeat;
    background-size: 20px 20px;
    background-position: center;
    vertical-align: middle;
}

.side_menu .menu ul.menu_list>li>ul>li:first-child,
.side_menu ul.menu_list>li>ul>li:first-child {
    margin-top: 10px;
}

/* submenu collapse/expand */
.side_menu .menu ul.menu_list>li>ul {
    max-height: 0;
    overflow: hidden;
    transition: max-height 420ms cubic-bezier(.22, .9, .26, 1), opacity 280ms ease;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    visibility: hidden;
}

.side_menu .menu ul.menu_list>li>ul.open {
    max-height: 800px;
    opacity: 1;
    visibility: visible;
    padding-top: 8px;
    padding-bottom: 8px;
}

.hamburger span.bar {
    width: 60px;
    height: 4px;
    background: #000;
    display: block;
    margin: 0 auto;
    transform-origin: left;
    transition: transform 1s, background 1s;
}

.hamburger:hover span.bar:nth-child(2) {
    transform: scaleX(60%);
    transform-origin: left;
    transition: transform 1s;
}

/* central hamburger container style (moved from page CSS) */
.hamburger {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #fff;
    border: 4px solid #000;
    position: fixed;
    right: 40px;
    top: 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 30;
}

/* Audio player common styles (moved from main_style.css) */
.audio-player-fixed {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 2000;
    display: flex;
    align-items: center;
}

.audio-toggle {
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-toggle svg {
    display: block;
}

/* Temporary debug overrides - force visible while investigating application issues */
.hamburger {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.audio-player-fixed {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.audio-toggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.bottom {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}