.menu-toggle-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    background: rgba(30, 31, 38, 0.85);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1250;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.menu-toggle-btn:hover {
    transform: translateY(-3px) scale(1.05);
    background: rgba(40, 42, 50, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
}

.menu-toggle-icon {
    font-size: 1.25rem;
    line-height: 1;
    font-family: "Material Symbols Outlined";
    font-style: normal;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-variation-settings:
        'FILL' 0,
        'wght' 400,
        'GRAD' 0,
        'opsz' 24;
}

.side-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(3, 5, 12, 0.62);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 1290;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.side-menu-overlay.is-open {
    opacity: 1;
}

.side-menu-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 84vw);
    height: 100dvh;
    padding: calc(24px + env(safe-area-inset-top)) 18px 24px;
    background: linear-gradient(180deg, rgba(11, 13, 22, 0.98) 0%, rgba(7, 8, 14, 0.98) 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 18px 0 40px rgba(0, 0, 0, 0.45);
    transform: translateX(-102%);
    transition: transform 0.28s ease;
    z-index: 1300;
    display: flex;
    flex-direction: column;
    gap: 18px;
    pointer-events: none;
}

.side-menu-drawer.is-open {
    transform: translateX(0);
    pointer-events: auto;
}

.side-menu-header {
    padding: 12px 12px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.side-menu-kicker {
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--accent-primary);
    margin-bottom: 6px;
}

.side-menu-title {
    font-size: 1.4rem;
    line-height: 1.2;
    margin-bottom: 6px;
}

.side-menu-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.side-menu-links {
    display: grid;
    gap: 12px;
}

.side-menu-link {
    width: 100%;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    cursor: pointer;
    display: grid;
    gap: 4px;
    transition: all 0.2s ease;
}

.side-menu-link:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(163, 230, 53, 0.35);
    transform: translateX(4px);
}

.side-menu-link.is-current {
    background: rgba(163, 230, 53, 0.15);
    border-color: rgba(163, 230, 53, 0.6);
    color: #a3e635;
    box-shadow: inset 0 0 0 1px rgba(163, 230, 53, 0.15);
}

.side-menu-link-label {
    font-weight: 700;
    font-size: 1rem;
}