.nav-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.nav-menu.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.nav-menu-toggle {
    position: relative;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(196, 132, 252, 0.35);
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.22) 0%, rgba(216, 180, 254, 0.18) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-shrink: 0;
    box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.2),
        0 0 20px rgba(168, 85, 247, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease;
}

.nav-menu-toggle:hover {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.32) 0%, rgba(216, 180, 254, 0.28) 100%);
    border-color: rgba(216, 180, 254, 0.5);
    transform: scale(1.05);
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.25),
        0 0 28px rgba(168, 85, 247, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.nav-menu-toggle:active {
    transform: scale(0.95);
}

.nav-menu-toggle:focus-visible {
    outline: 2px solid rgba(216, 180, 254, 0.85);
    outline-offset: 2px;
}

.nav-menu-bar {
    display: block;
    height: 2.5px;
    border-radius: 999px;
    background: linear-gradient(90deg, #c084fc 0%, #a855f7 45%, #9333ea 100%);
    box-shadow: 0 0 8px rgba(168, 85, 247, 0.45);
    transition:
        transform 0.25s ease,
        opacity 0.2s ease,
        width 0.25s ease;
}

.nav-menu-bar:nth-child(1) {
    width: 18px;
}

.nav-menu-bar:nth-child(2) {
    width: 22px;
}

.nav-menu-bar:nth-child(3) {
    width: 16px;
}

.nav-menu-toggle[aria-expanded="true"] .nav-menu-bar:nth-child(1) {
    width: 20px;
    transform: translateY(7.5px) rotate(45deg);
}

.nav-menu-toggle[aria-expanded="true"] .nav-menu-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-menu-toggle[aria-expanded="true"] .nav-menu-bar:nth-child(3) {
    width: 20px;
    transform: translateY(-7.5px) rotate(-45deg);
}

.nav-menu-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 148px;
    padding: 8px;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(30, 15, 45, 0.92) 0%, rgba(20, 10, 35, 0.88) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(196, 132, 252, 0.28);
    box-shadow:
        0 12px 32px rgba(0, 0, 0, 0.35),
        0 0 24px rgba(147, 51, 234, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.96);
    transform-origin: top right;
    pointer-events: none;
    transition:
        opacity 0.22s ease,
        visibility 0.22s ease,
        transform 0.22s ease;
}

.nav-menu-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.nav-menu-item {
    display: block;
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-radius: 11px;
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
    font-family: 'M PLUS Rounded 1c', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition:
        background 0.18s ease,
        color 0.18s ease,
        box-shadow 0.18s ease;
}

.nav-menu-item:hover,
.nav-menu-item:focus-visible {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.28) 0%, rgba(216, 180, 254, 0.16) 100%);
    color: #f3e8ff;
    box-shadow: inset 0 0 0 1px rgba(216, 180, 254, 0.22);
    outline: none;
}

.nav-menu-item:active {
    transform: scale(0.98);
}