main {
    display: flex;
    padding-top: min(8.5vh, 6vw);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    height: auto;
    overflow-x: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

main::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.menu {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    background: rgba(255, 255, 255, 0.1);
    width: 240px;
    box-sizing: border-box;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
    padding-top: 20px;
    animation: slideInLeft 0.6s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.menu_item {
    font-size: 15px;
    display: flex;
    width: calc(100% - 30px);
    margin: 0 15px 10px;
    height: 55px;
    justify-content: flex-start;
    align-items: center;
    padding-left: 20px;
    cursor: pointer;
    color: #ffffff;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    border-radius: 12px;
    box-sizing: border-box;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.menu_item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    border-color: rgba(0, 255, 235, 0.4);
}

.menu_item.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.4) 0%, rgba(118, 75, 162, 0.4) 100%);
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    border-color: rgba(0, 255, 235, 0.6);
}

.menu_title {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 10px;
    margin: 0 15px 25px;
    border-radius: 12px;
}

.menu_title span {
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(102, 126, 234, 0.5);
    letter-spacing: 1px;
}

.menu_title_logo {
    display: flex;
    align-items: center;
}

.menu_item span {
    margin-left: 12px;
    font-weight: 500;
}

.menu_item img {
    height: 20px;
    width: 20px;
    opacity: 0.9;
    filter: brightness(0) invert(1);
    transition: all 0.3s ease;
}

.menu_item:hover img,
.menu_item.active img {
    transform: scale(1.1);
}

#option1 {
    display: block;
}

.option_box {
    display: none;
    background: transparent;
    height: auto;
    min-height: calc(100vh - min(8.5vh, 6vw));
    width: calc(100% - 240px);
    padding: 25px;
    box-sizing: border-box;
    border: none;
    position: relative;
    z-index: 1;
    animation: slideInRight 0.6s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}